The current embodiments relate to the field of articles of footwear. More specifically, the current embodiments relate to a sole structure for articles of footwear.
Articles of footwear including various types of materials and sole structures have previously been proposed. For example, some articles of footwear may include materials forming a rigid sole structure, while other articles of footwear may include materials forming a flexible sole structure. However, a sole structure that is substantially rigid in some regions, while remaining flexible in other regions, may increase the wearer's ability to accelerate and/or change directions. In addition, a sole structure having components made of materials having varying configurations, thicknesses and lengths throughout the sole structure may reduce the overall weight of the article of footwear and enhance the performance of the wearer.
Embodiments relating to a lightweight sole structure are disclosed. In some embodiments, the sole structure may include a lobed member having a protruding portion associated with a cleat member. In some embodiments, the sole structure may include a chambered member located in an indention in an intermediate member. In some embodiments, the sole structure may include a cleat member having an outer layer, an intermediate layer, and an inner layer. In some embodiments, a method of making a sole structure may include injecting a chambered member in between an upper member and an intermediate member. In some embodiments, the sole structure may include a plurality of zones having varying degrees of flexibility. In some embodiments, the sole structure may include cleat members having penetrating portions for penetrating into the ground surface.
In one aspect, a sole structure is disclosed. In one embodiment, the sole structure may include a bottom member having a top surface, a bottom surface, a forefoot region, a midsole region and a heel region, wherein the top surface of the forefoot region of the bottom member has a first protruding portion associated with a cleat member. In one embodiment, the sole structure may also include an intermediate member having a first projection, second projection, and third projection, the intermediate member further having a top surface, a bottom surface, a forefoot region, a midsole region and a heel region. In one embodiment, the first projection and second projection may be located in the forefoot region of the intermediate member and the third projection may extend through the midsole region into the heel region of the intermediate member. In one embodiment, the bottom surface of the first projection may have a second protruding portion associated with the cleat member. In one embodiment, the second protruding portion in the bottom surface of the first projection associates with the first protruding portion in the top surface of the bottom member.
In another aspect, a sole structure is disclosed. In one embodiment, the sole structure may include a bottom member having a top surface and a bottom surface. In one embodiment, the sole structure may also include an intermediate member having a top surface and a bottom surface, the intermediate member having an indentation that is concave relative to the top surface of the intermediate member, and the bottom surface of the intermediate member is attached to the top surface of the bottom member. In one embodiment, the sole structure may also include a chambered member configured to be inserted within the indentation on the top surface of the intermediate member.
In another aspect, a sole structure is disclosed. In one embodiment, the sole structure may include a bottom member having a bottom surface. In one embodiment, the sole structure may also include a cleat member associated with the bottom member, the cleat member having an outer layer, an intermediate layer, and an inner layer.
In another aspect, a method of making a sole structure is disclosed. In one embodiment, the method may include forming an upper member, wherein the upper member having a top surface, and a bottom surface. In one embodiment, the method may also include forming an intermediate member, wherein the intermediate member having a top surface and a bottom surface, wherein the top surface of the intermediate member includes a concave indentation. In one embodiment, the method may also include placing the top surface of the intermediate member in contact with the bottom surface of the upper member. In one embodiment, the method may also include injecting a chambered member into the indentation of the intermediate member, the chambered member having a honeycomb volume.
In another aspect, an article of footwear is disclosed. In one embodiment, the article of footwear may include a sole structure having a forefoot region, a midfoot region and a heel region, wherein the sole structure includes a plurality of layers. In one embodiment, the plurality of layers may include a first zone of flexibility located in the forefoot region. In one embodiment, the plurality of layers may also include a second zone of flexibility located in the forefoot region, wherein the second zone of flexibility is more rigid than the first zone of flexibility. In one embodiment, the plurality of layers may also include a third zone of flexibility located in the midfoot region, wherein the third zone of flexibility is more rigid than the first and second zone of flexibility.
In another aspect, a sole structure is disclosed. In one embodiment, the sole structure may include a bottom member having a forefoot region, midfoot region, heel region, to surface and bottom surface, the bottom surface of the bottom member forming an outer surface of the sole structure. In one embodiment, the sole structure may also include a cleat member extending from the bottom member, the cleat member including a penetrating portion that is configured to penetrate into a ground surface. In one embodiment, the sole structure may also include an intermediate member having a top surface and a bottom surface, the intermediate member configured to provide structural support for the sole structure. In one embodiment, the bottom surface of the intermediate member associates with the top surface of the bottom member, wherein a portion of the intermediate member extends into the penetrating portion of the cleat member.
In another aspect, a sole structure is disclosed. In one embodiment, the sole structure may include an upper member having a top surface and a bottom surface, the upper member having a first concave indentation in the top surface and a corresponding convex indentation extending from the bottom surface of the upper member. In one embodiment, the sole structure may also include an intermediate member having a top surface, the intermediate member having a second concave indentation in the top surface of the intermediate member, wherein the second concave indentation in the top surface of the intermediate member is configured to receive the convex indentation extending from the bottom surface of the upper member. In one embodiment, the sole structure may also include a chambered member configured to be inserted within the first concave indentation in the top surface of the upper member.
Other systems, methods, features and advantages of the current embodiments will be, or will become, apparent to those in the art upon examination of the following figures and detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description and this summary, be within the scope of the current embodiments, and be protected by the following claims.
The current embodiments can be better understood with reference to the following drawings and description. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the current embodiments. Moreover, in the figures, like reference numerals designate corresponding parts throughout the different views.
Conventional articles of athletic footwear include two primary elements, an upper and a sole structure. The upper may provide a covering for the foot that comfortably receives and securely positions the foot with respect to the sole structure. The sole structure may be secured to a lower portion of the upper and may be generally positioned between the foot and the ground. In addition to attenuating ground reaction forces (i.e., providing cushioning) during walking, running, and other ambulatory activities, the sole structure may influence foot motions (e.g., by resisting pronation), impart stability, allow for twisting and bending, and provide traction, for example. Accordingly, the upper and the sole structure may operate cooperatively to provide a comfortable structure that is suited for a wide variety of athletic activities.
The upper may be formed from a plurality of material elements (e.g., textiles, polymer sheets, foam layers, leather, synthetic leather) that may be stitched or adhesively bonded together to form a void on the interior of the footwear for comfortably and securely receiving a foot. More particularly, the upper may form a structure that extends over instep and toe areas of the foot, along medial and lateral sides of the foot, and around a heel area of the foot. The upper may also incorporate a lacing system to adjust the fit of the footwear, as well as permitting entry and removal of the foot from the void within the upper. In addition, the upper may include a tongue that extends under the lacing system to enhance adjustability and comfort of the footwear, and the upper may incorporate a heel counter.
In some embodiments, the sole structure 100 may be associated with an upper (not shown). An upper may be depicted as having a substantially conventional configuration incorporating a plurality of material elements (e.g., textiles, foam, leather, and synthetic leather) that are stitched or adhesively bonded together to form an interior void for securely and comfortably receiving a foot. The material elements may be selected and located with respect to the upper in order to selectively impart properties of durability, air-permeability, wear-resistance, flexibility, and comfort, for example. In some embodiments, an ankle opening in the heel region provides access to the interior void. In some embodiments, the upper may include a lace that is utilized in a conventional manner to modify the dimensions of the interior void, thereby securing the foot within the interior void and facilitating entry and removal of the foot from the interior void. The lace may extend through apertures in the upper, and a tongue portion of the upper may extend between the interior void and the lace. Given that various aspects of the present discussion primarily relate to the sole structure 100, the upper may exhibit the general configuration discussed above or the general configuration of practically any other conventional or non-conventional upper. Accordingly, the overall structure of the upper may vary significantly.
For consistency and convenience, directional adjectives are employed throughout this detailed description corresponding to the illustrated embodiments. The term “longitudinal” as used throughout this detailed description and in the claims refers to a direction extending a length of a component, such as a sole structure. In some cases, the longitudinal direction may extend from a forefoot portion to a heel portion of the component. Also, the term “lateral” as used throughout this detailed description and in the claims refers to a direction extending a width of a component. In other words, the lateral direction may extend between a medial side and a lateral side of the component, or along the width of the component. The terms longitudinal and lateral can be used with any component of an article of footwear, including a sole structure as well as individual components of the sole structure.
In some embodiments, sole structure 100 may be secured to the upper and has a configuration that extends between the upper and the ground. In addition to attenuating ground reaction forces (i.e., cushioning the foot), the sole structure 100 may provide traction, impart stability, and limit various foot motions, such as pronation.
Some embodiments may include provisions for providing structural support to the sole structure 100. In some cases, rigid components may be associated with the sole structure 100. In some embodiments, the rigid components may be associated with the entire length of the sole structure 100. However, in other embodiments, the rigid components may be associated with only a portion of the sole structure 100. In some embodiments, the sole structure 100 may include one rigid component, while other embodiments may include more than one rigid component. Rigid components may provide the wearer with support in order to accelerate, provide stability, and may limit various unwanted foot motions.
Some embodiments may include provisions for providing flexibility to the sole structure 100. In some cases, flexible components may be associated with the sole structure 100. In some embodiments, the flexible components may be associated with the entire length of the sole structure 100. However, in other embodiments, the flexible components may be associated with only a portion of the sole structure 100. In some embodiments, the sole structure may include one flexible component, while other embodiments may include more than one flexible component. Flexible components allow the foot to bend and twist in order to allow the wearer to quickly maneuver, to change directions or to more accurately position the wearer's foot in a desired position.
Some embodiments may include provisions for allowing flexibility in some regions of the sole structure 100, while also allowing rigidity in other regions. In some cases, the flexible components may extend the entire length of the sole structure 100. However, in other cases the flexible components may extend over only portions of the sole structure 100. Similarly, in some cases, the rigid components may extend the entire length of the sole structure 110. However, in other cases the rigid components may extend over only portions of the sole structure 100. In some embodiments, rigid components may extend only into the heel and midsole region of the sole structure 100, while flexible components extend over the entire length of the sole structure 100, including the forefoot region. However, other embodiments may include flexible components extending over only the heel and midsole region, while the rigid components extend over the entire length of the sole structure 100. In some embodiments, the length of each component is adjusted in order to achieve the desired rigidity or flexibility in each region of the sole structure 100.
Some embodiments may include provisions for minimizing the overall weight of the sole structure 100. In some embodiments, porous or chambered components may be associated with the sole structure 100 in order to reduce the overall mass and weight. In some embodiments, the porous or chambered components may form a layer in the sole structure 100. However, in other embodiments, the porous or chambered components may be located in indentations or cavities in one or more of the other components in the sole structure 100. In some embodiments, the overall weight of the sole structure 100 is reduced when a porous or chambered member displaces all or a portion of a heavier component.
Some embodiments may include provisions for adjusting the thickness of each component throughout the length of the sole structure 100. In some embodiments, the rigid components may have increased thickness in regions of the sole structure 100 where more structural support is desired. In some embodiments, the rigid components may have decreased thickness in regions of the sole structure 100 where less structural support is desired. In some embodiments, the flexible components may have increased thickness in regions where more flexibility is desired, and may have decreased thickness in regions where less flexibility is desired. In some embodiments, porous or chambered components may have varying thickness throughout the length of the sole structure 100.
Referring to
In one embodiment, sole structure 100 may include an upper member 110. In one embodiment, upper member 110 may be formed from a generally rigid material.
In some embodiments, upper member 110, intermediate member 130 and bottom member 140 may have one or more protruding portions. The protruding portions may include a depression or indentation that is concave relative to the top surface of the component, while extending out in a convex manner from the bottom surface of the component. Therefore, the term “protruding portion” as used throughout the specification and claims refers to the concave depression or indentation on the top surface of the component, as well as the corresponding convex surface on the bottom surface of the component. Referring to
In some embodiments, upper member 110 may include a plurality of protruding portions associated with the top surface 119 and bottom surface 121. In some embodiments, the protruding portions include a depression on the top surface 119 of upper member 110, and extend out in a convex manner from the bottom surface 121 of upper member 110.
In some embodiments, the protruding portions may be associated with a cleat member. The term “cleat member” as used in this detailed description and throughout the claims includes any provisions disposed on a sole for increasing traction through friction or penetration of a ground surface. Typically, cleat members may be configured for any type of activity that requires traction.
Referring to
In some embodiments, the number of protruding portions in upper member 110 may vary. Although the upper member 110 illustrated in
In some embodiments, the geometry of the protruding portions may vary. In some embodiments, the protruding portions may be rounded or dome-like in shape. In other embodiments, the protruding portions may be square or rectangular in shape. In other embodiments, the protruding portions may be triangular in shape. Additionally, it will be understood that the protruding portions may be formed in a wide variety of shapes, including but not limited to: hexagonal, cylindrical, conical, conical frustum, circular, square, rectangular, rectangular frustum, trapezoidal, diamond, ovoid, as well as any other shape known to those in the art.
Although not shown in the embodiment in
In some embodiments, sole structure 100 may include a chambered member 120. The chambered member 120 may serve to strengthen the sole structure 100 while at the same time decreasing the overall weight. For example, in some embodiments, the chambered member 120 is made from a different material, and/or different mixture of materials, than the other components in the sole structure 100. However, in other embodiments, chambered member 120 is made from the same material as the other components, and/or recycled material used to make up other components. Decreasing the weight of sole structure 100 allows the wearer to move more quickly and efficiently, therefore enhancing the wearer's performance.
Although the chambered member 120 illustrated in
In some embodiments, the chambered member 120 may include a plurality of internal chambers. In other words, the volume of the chambered member 120 may include a plurality of cavities that are partitioned off from one another. In one embodiment, as illustrated in
In some embodiments, the top surface 122 of chambered member 120 faces the bottom surface 121 of upper member 110. In some embodiments, the bottom surface 123 of chambered member 120 corresponds to an indentation 131 in an intermediate member 130, which is discussed in further detail below.
In some embodiments, sole structure 100 may include an intermediate member 130. As illustrated in
In some embodiments, intermediate member 130 may include an indentation 131. In some embodiments, indentation 131 may be concave in relation to the top surface 161 of intermediate member 130. This allows chambered member 120 to be received within indentation 131 as discussed above. In some embodiments, indentation 131 may be formed so that the top surface 122 of chambered member 120 is flush or level with the top surface 161 of intermediate member 130. However, in other embodiments, the top surface 122 of chambered member 120 may not be level with the top surface 161 of intermediate member 130.
In some embodiments, the shape of indentation 131 may vary. In some embodiments, indentation 131 may be Y-shaped in order to accommodate the shape of the chambered member 120. However, in other embodiments, indentation 131 may be any other shape that accommodates the chambered member 120.
In some embodiments, the location of indentation 131 may vary. In some embodiments, indentation 131 may be located in only a portion of intermediate member 130. For example, in one embodiment, as shown in
In some embodiments, upper member 110 may include a plurality of protruding portions associated with the top surface 161 and bottom surface 162 of intermediate member 130. In some embodiments, the protruding portions include a depression on the top surface of the component, and extend out in a convex manner from the bottom surface of the component. In some embodiments, the protruding portions may be associated with a cleat member.
Referring to
In some embodiments, the geometry of the protruding portions in intermediate member 130 may vary. In some embodiments, the protruding portions may be rounded or dome-like in shape. In other embodiments, the protruding portions may be square or rectangular in shape. In other embodiments, the protruding portions may be triangular in shape. Additionally, it will be understood that the protruding portions may be formed in a wide variety of shapes, including but not limited to: hexagonal, cylindrical, conical, conical frustum, circular, square, rectangular, rectangular frustum, trapezoidal, diamond, ovoid, as well as any other shape known to those in the art.
In some embodiments, the number of protruding portions in intermediate member 130 may vary. Although the intermediate member 130 illustrated in
In some embodiments, sole structure 100 may include a bottom member 140. As illustrated in
In some embodiments, bottom member 140 may include a plurality of protruding portions associated with the top surface 171 and bottom surface 172 of bottom member 140. In some embodiments, the protruding portions include a depression on the top surface of the component, and extend out in a convex manner from the bottom surface of the component. In some embodiments, the protruding portions may be associated with a cleat member.
Referring to
In some embodiments, the number of protruding portions in bottom member 140 may vary. Although the bottom member 140 illustrated in
In some embodiments, the geometry of the protruding portions in bottom member 140 may vary. In some embodiments, the protruding portions may be rounded or dome-like in shape. In other embodiments, the protruding portions may be square or rectangular in shape. In other embodiments, the protruding portions may be triangular in shape. Additionally, it will be understood that the protruding portions may be formed in a wide variety of shapes, including but not limited to: hexagonal, cylindrical, conical, conical frustum, circular, square, rectangular, rectangular frustum, trapezoidal, diamond, ovoid, as well as any other shape known to those in the art. In some embodiments, the protruding portion can have an elongated and/or rectangular shape that is configured to correspond to the shape of cleat tips 150.
In some embodiments, cleat tips 150 may be associated with one or more protruding portions in the bottom surface 172 of bottom member 140. In some embodiments, first cleat tip 153 may be fixedly attached to the bottom surface 172 associated with the first protruding portion 143 in bottom member 140. In a similar manner, second cleat tip 154, third cleat tip 155, fourth cleat tip 156, fifth cleat tip 151 and sixth cleat tip 152 may be associated with second protruding portion 144, third protruding portion 145, fourth protruding portion 146, fifth protruding portion 141 and sixth protruding portion 142 respectively.
In some embodiments, the components shown in
In some embodiments, the protruding portions in each component may be aligned or mated with one another when forming sole structure 100. In some embodiments, first protruding portion 113 in upper member 110, first protruding portion 133 in intermediate member 130, and first protruding portion 143 in bottom member 140 may be mated when forming sole structure 100. In particular, the convex portion of first protruding portion 113 in upper member 110 may fit into the depression of first protruding portion 133 in intermediate member 130. Likewise, the convex portion of first protruding portion 133 in intermediate member 130 may fit into the depression of first protruding portion 143 in bottom member 140. In a similar manner, each of the protruding portions of upper member 110, intermediate member 130 and bottom member 140 may be joined with corresponding protruding portions on adjacent members. For example, in some embodiments, second protruding portion 114 in upper member 110, second protruding portion 134 in intermediate member 130, and second protruding portion 144 in bottom member 140 may be mated when forming sole structure 100. Also, in some embodiments, third protruding portion 115 in upper member 110, third protruding portion 135 in intermediate member 130, and third protruding portion 145 in bottom member 140 may be mated when forming sole structure 100. In some embodiments, fourth protruding portion 116 in upper member 110, fourth protruding portion 136 in intermediate member 130, and fourth protruding portion 146 in bottom member 140 may be mated when forming sole structure 100. In embodiments where intermediate member 130 does not extend over the full length of sole structure 100, fifth protruding portion 117 and sixth protruding portion 118 in upper member 110 may be directly mated with fifth protruding portion 141 and sixth protruding portion 142 in bottom member 140, respectively.
A sole structure 100 may include provisions for evenly dissipating the forces incurred in the area proximate to each cleat member. Generally, the cleat members are the first component to strike the ground and therefore receive a substantial amount of stress. In order to absorb this stress, some embodiments may include a rigid layer of material that extends into the cleat members as well as a substantial portion of the sole structure 100. This allows the forces exerted on the cleat members to be evenly distributed over a large surface area of the rigid layer, thereby increasing the overall strength of the sole structure 100.
In some embodiments, rigidity of the sole structure 100 may be increased by including a chambered member 120 and an intermediate member 130.
The shape of intermediate member 130 may vary. In some embodiments, as shown in
In some embodiments, intermediate member 130 includes a first projection 137, a second projection 138 and a third projection 139. In some embodiments, first projection 137 and second projection 138 may be separated by a gap, while the third projection 139 extends rearwardly. For example, intermediate member 130 may be generally Y-shaped. In other embodiments, intermediate member 130 may be V-shaped, or W-shaped.
Referring to
In different embodiments, the material composition of one or more components of sole structure 100 can vary. In some cases, for example, upper member 110, chambered member 120, intermediate member 130 and bottom member 140 may be made of a variety of different materials that provide for a lightweight and rigid, yet flexible, sole structure 100. Some embodiments may also use one or more components, features, systems and/or methods discussed in Auger et al., U.S. Patent Publication Number 2008/0010863, published on Jan. 17, 2008, which is hereby incorporated by reference in its entirety.
Upper member 110 may be formed from a variety of materials. Generally, the materials used with upper member 110 can be selected to achieve a desired rigidity, flexibility, or desired characteristic for upper member 110. In some embodiments, upper member 110 may be formed from a weave and/or mesh of glass fibers, fiberglass, fiberglass composite and/or glass-reinforced plastic. In some embodiments, the weave or mesh may be anodized or coated with one or more alloy(s) or metal(s), like silver. In some embodiments, upper member 110 may be formed from carbon, carbon fiber, carbon composite, and/or recycled or reground carbon materials. In some embodiments, upper member 110 may be formed from thermoplastic polyurethanes, recycled thermoplastic polyurethane, and/or composite including thermoplastic polyurethane. In some embodiments, the upper member 110 may be formed from the same material as the upper member 110. Any combination of materials known to those in the art may form the upper member 110. In some embodiments, upper member 110 may include one or more regions or portions made from different materials. In some embodiments, upper member 110 may include fibers made from a plurality of materials. For example, in some embodiments, upper member 110 may be made from a variety of composite materials. In some embodiments, upper member 110 may include both carbon and glass fibers. In some embodiments, upper member 110 may include fibers made from a mixture of carbon and one or more other materials. In some embodiments, upper member 110 may include materials made from a mixture of glass and one or more other materials. In other embodiments, upper member 110 may be made from materials that do not include glass fibers or carbon fibers. However, in one embodiment, upper member 110 may be made of fiberglass and/or fiberglass composite.
In some embodiments, upper member 110 may be made of layers that have varying orientations with respect to one another. In some embodiments, upper member 110 may include fibers that are oriented in an alternating 0/90° orientation and/or an alternating 45°/45° orientation. In some embodiments, upper member 110 may include layers having fibers that are oriented laterally. In some embodiments, upper member 110 may include layers having fibers that are oriented longitudinally. In some embodiments, upper member may include layers having fibers that are oriented side-by-side one another. In other embodiments, upper member 110 may include layers having fibers that are oriented diagonally, or at some angle, with respect to a lateral or longitudinal axis. In some embodiments, each layer in upper member 110 may include one or more portions having fibers that are oriented longitudinally, laterally, side-by-side, and/or diagonally. In some embodiments, each layer of upper member 110 may include one or more portions or regions having different orientations. For example, in one embodiment upper member 110 may include a layer that is diagonally oriented in the forefoot region and longitudinally oriented in the heel region. Other variations in regional orientation are possible. Other embodiments discussed herein in this specification and claims may also include these features of the upper member 110.
The chambered member 120 may be formed from a variety of materials. Generally, the materials used with chambered member 120 can be selected to achieve a desired rigidity, flexibility, or desired characteristic for chambered member 120. In some embodiments, chambered member 120 may be formed from a weave and/or mesh of glass fibers, fiberglass, fiberglass composite and/or glass-reinforced plastic. In some embodiments, the weave or mesh may be anodized or coated with one or more alloy(s) or metal(s), like silver. In some embodiments, chambered member 120 may be formed from carbon, carbon fiber, carbon composite, and/or recycled or reground carbon materials. In some embodiments, chambered member 120 may be formed from thermoplastic polyurethanes, recycled thermoplastic polyurethane, and/or composite including thermoplastic polyurethane. Any combination of materials known to those in the art may form the chambered member 120. In some embodiments, chambered member 120 may include one or more regions or portions made from different materials. In some embodiments, chambered member 120 may include fibers made from a plurality of materials. For example, in some embodiments, chambered member 120 may be made from a variety of composite materials. In some embodiments, chambered member 120 may include both carbon and glass fibers. In some embodiments, chambered member 120 may include fibers made from a mixture of carbon and one or more other materials. In some embodiments, chambered member 120 may include materials made from a mixture of glass and one or more other materials. In other embodiments, chambered member 120 may be made from materials that do not include glass fibers or carbon fibers. However, in one embodiment, chambered member 120 may be made of a carbon and/or carbon composite.
In some embodiments, chambered member 120 may be made of layers that have varying orientations with respect to one another. In some embodiments, chambered member 120 may include fibers that are oriented in an alternating 0/90° orientation and/or an alternating 45°/45° orientation. In some embodiments, chambered member 120 may include layers having fibers that are oriented laterally. In some embodiments, chambered member 120 may include layers having fibers that are oriented longitudinally. In some embodiments, chambered member 120 may include layers having fibers that are oriented side-by-side one another. In other embodiments, chambered member 120 may include layers having fibers that are oriented diagonally, or at some angle, with respect to a lateral or longitudinal axis. In some embodiments, each layer in chambered member 120 may include one or more portions having fibers that are oriented longitudinally, laterally, side-by-side, and/or diagonally. In some embodiments, each layer of chambered member 120 may include one or more portions or regions having different orientations. For example, in one embodiment chambered member 120 may include a layer that is diagonally oriented in the midfoot region and longitudinally oriented in the heel region. Other variations in regional orientation are possible. Other embodiments discussed herein in this specification and claims may also include these features of the chambered member 120.
The intermediate member 130 may be formed from a variety of materials. Generally, the materials used with intermediate member 130 can be selected to achieve a desired rigidity, flexibility, or desired characteristic for intermediate member 130. In some embodiments, intermediate member 130 may be formed from a weave and/or mesh of glass fibers, fiberglass, fiberglass composite and/or glass-reinforced plastic. In some embodiments, the weave or mesh may be anodized or coated with one or more alloy(s) or metal(s), like silver. In some embodiments, intermediate member 130 may be formed from carbon, carbon fiber, carbon composite, and/or recycled or reground carbon materials. In some embodiments, intermediate member 130 may be formed from thermoplastic polyurethanes, recycled thermoplastic polyurethane, and/or composite including thermoplastic polyurethane. In some embodiments, the intermediate member 130 may be formed from the same material as the intermediate member 130. Any combination of materials known to those in the art may form the intermediate member 130. In some embodiments, intermediate member 130 may include one or more regions or portions made from different materials. In some embodiments, intermediate member 130 may include fibers made from a plurality of materials. For example, in some embodiments, intermediate member 130 may be made from a variety of composite materials. In some embodiments, intermediate member 130 may include both carbon and glass fibers. In some embodiments, intermediate member 130 may include fibers made from a mixture of carbon and one or more other materials. In some embodiments, intermediate member 130 may include materials made from a mixture of glass and one or more other materials. In other embodiments, intermediate member 130 may be made from materials that do not include glass fibers or carbon fibers. However, in one embodiment, intermediate member 130 may be made from carbon fiber.
In some embodiments, intermediate member 130 may be made of layers that have varying orientations with respect to one another. In some embodiments, intermediate member 130 may include fibers that are oriented in an alternating 0/90° orientation and/or an alternating 45°/45° orientation. In some embodiments, intermediate member 130 may include layers having fibers that are oriented laterally. In some embodiments, intermediate member 130 may include layers having fibers that are oriented longitudinally. In some embodiments, intermediate member 130 may include layers having fibers that are oriented side-by-side one another. In other embodiments, intermediate member 130 may include layers having fibers that are oriented diagonally, or at some angle, with respect to a lateral or longitudinal axis. In some embodiments, each layer in intermediate member 130 may include one or more portions having fibers that are oriented longitudinally, laterally, side-by-side, and/or diagonally. In some embodiments, each layer of intermediate member 130 may include one or more portions or regions having different orientations. For example, in one embodiment intermediate member 130 may include a layer that is diagonally oriented in the forefoot region and longitudinally oriented in the heel region. Other variations in regional orientation are possible. Other embodiments discussed herein in this specification and claims may also include these features of the intermediate member 130.
The bottom member 140 may be made from a variety of materials. In some embodiments, bottom member 140 may be formed from a plastic. In another embodiment, any combination of materials known to those in the art may be used to form bottom member 140. For example, in some embodiments, bottom member 140 may be made from a mixture of the same materials that are used to make upper member 110, intermediate member 130, and/or chambered member 120.
The upper member 110, chambered member 120, intermediate member 130, and/or bottom member 140 may be formed in any manner. In some embodiments, each component is molded into a preformed shape. In some embodiments, the edges of each component are trimmed using any means known to those in the art, including a water jet.
The cleat tips 150 may be formed from a variety of materials. Generally, the materials used with cleat tips 150 can be selected to achieve a desired rigidity, flexibility, or desired characteristic for cleat tips 150. In some embodiments, cleat tips 150 may be formed from a weave and/or mesh of glass fibers, fiberglass, fiberglass composite and/or glass-reinforced plastic. In some embodiments, the weave or mesh may be anodized or coated with one or more alloy(s) or metal(s), like silver. In some embodiments, cleat tips 150 may be formed from carbon, carbon fiber, carbon composite, and/or recycled or reground carbon materials. In some embodiments, cleat tips 150 may be formed from thermoplastic polyurethanes, recycled thermoplastic polyurethane, and/or composite including thermoplastic polyurethane. In some embodiments, the cleat tips 150 are formed from the same material as the chambered member 120. Any combination of materials known to those in the art may form the cleat tips 150. In some embodiments, cleat tips 150 may include one or more regions or portions made from different materials. In some embodiments, cleat tips 150 may include fibers made from a plurality of materials. For example, in some embodiments, cleat tips 150 may be made from a variety of composite materials. In some embodiments, cleat tips 150 may include both carbon and glass fibers. In some embodiments, cleat tips 150 may include fibers made from a mixture of carbon and one or more other materials. In some embodiments, cleat tips 150 may include materials made from a mixture of glass and one or more other materials. In other embodiments, cleat tips 150 may be made from materials that do not include glass fibers or carbon fibers. However, in one embodiment cleat tips 150 are made of a carbon and/or carbon composite.
In some embodiments, cleat tips 150 may be made of layers that have varying orientations with respect to one another. In some embodiments, cleat tips 150 may include fibers that are oriented in an alternating 0/90° orientation and/or an alternating 45°/45° orientation. In some embodiments, cleat tips 150 may include layers having fibers that are oriented laterally. In some embodiments, cleat tips 150 may include layers having fibers that are oriented longitudinally. In some embodiments, cleat tips 150 may include layers having fibers that are oriented side-by-side one another. In other embodiments, cleat tips 150 may include layers having fibers that are oriented diagonally, or at some angle, with respect to a lateral or longitudinal axis. In some embodiments, each layer in cleat tips 150 may include one or more portions having fibers that are oriented longitudinally, laterally, side-by-side, and/or diagonally. In some embodiments, each layer of cleat tips 150 may include one or more portions or regions having different orientations. For example, in one embodiment cleats tips 150 may include a layer that is diagonally oriented in the forefoot region and longitudinally oriented in the heel region. Other variations in regional orientation are possible. Other embodiments discussed herein in this specification and claims may also include these features of the cleat tips 150.
The components shown in
Referring to
In some embodiments, the length of intermediate member 130 may vary. In some embodiments, intermediate member 130 may extend from at least a portion of the heel region 314 to at least a portion of the midfoot region 312. In other embodiments, intermediate member 130 may extend from at least a portion of the midfoot region 312 to at least a portion of the forefoot region 310. In other embodiments, intermediate member 130 may extend from at least a portion of the heel region 314, through the midfoot region 312, and into at least a portion of the forefoot region 310. Varying the length of the intermediate member 130 so that it extends over at least a portion of the bottom member 140 may reduce the overall weight of sole structure 100.
Referring to
A second cross-sectional view 420 shown in
A third cross-sectional view 430 shown in
A fourth cross-sectional view 440 shown in
In some embodiments, provisions may be included for providing different zones of flexibility along the longitudinal length of the sole structure 100. Different zones of flexibility can be created by varying the material, thickness, and/or longitudinal length of the components making up the sole structure 100. In some embodiments, the zones of flexibility can be adjusted in order to adapt to the shape of each wearer's foot. In some embodiments, the zones of flexibility can be adjusted in order to adapt to each wearer's running style. In some embodiments, the zones of flexibility can be adjusted in order to adapt to the type of sport and/or activity in which the wearer will be involved.
Referring to
In some embodiments, the zones of flexibility may be controlled in part by the longitudinal length of each component and/or the material making up each component. In the embodiment shown in
Also shown in
Also shown in
Also shown in
Some embodiments may include provisions for varying the material composition of each component along the longitudinal length of the sole structure 100 in order to achieve the desired flexibility and/or rigidity in each zone. For example, in some embodiments, upper member 110 may have a different material composition in one zone than in the remaining zones. In other embodiments, upper member 110 may have a different material composition in two or more zones than in the remaining zone(s). In some embodiments, intermediate member 130 may have a different material composition in one zone than in the remaining zones. In other embodiments, intermediate member 130 may have a different material composition in two or more zones than in the remaining zone(s). In some embodiments, bottom member 140 may have a different material composition in one zone than in the remaining zones. In some embodiments, bottom member 140 may have a different material composition in two or more zones than the remaining zone(s). In some embodiments, each component may have a varying composition within the same zone of flexibility.
The thickness of each component in sole structure 100 may vary. As shown in
A sole structure 100 may include provisions for adjusting the flexibility and/or rigidity of the sole structure 100 by varying the thickness of each component in throughout each zone of flexibility. In some embodiments, each component may have a different thickness in each zone of flexibility. In some embodiments, each component may have the same thickness throughout one or more zones of flexibility. In other embodiments, the thickness of each component may vary in specific zones of flexibility in order to increase or decrease the rigidity and/or flexibility in that particular zone. For example, in some embodiments where intermediate member 130 is made from carbon composite and a more flexible zone B is desired, thickness T2 of intermediate member 130 may decrease in zone B to be less than the thickness in zone C and/or D. As a further example, in embodiments where intermediate member 130 is made from carbon composite and a more rigid zone B is desired, thickness T2 of intermediate member 130 may increase in zone B to be more than the thickness in zone C and/or zone D. In other embodiments, the thickness T2 of intermediate member 130 may vary throughout the longitudinal length of the sole structure 100 in order to achieve the desired flexibility and/or rigidity in each zone of flexibility.
In some embodiments, the thickness T1 of upper member 110 may vary throughout the longitudinal length of the sole structure 100 in order to achieve the desired flexibility and/or rigidity in each zone of flexibility. For example, in some embodiments where the upper member 110 is made from glass composite and a more flexible zone B is desired, thickness T1 of upper member 110 may be increased in zone B to be more than the thickness in zone C and/or D. As a further example, in some embodiments, where the upper member 110 is made from glass composite and a less flexible zone B is desired, thickness T1 of upper member 110 is decreased in zone B to be less than the thickness in zone C and/or D.
In some embodiments, the thickness T3 of bottom member 140 may vary throughout the longitudinal length of the sole structure 100 in order to achieve the desired flexibility and/or rigidity in each zone of flexibility. In some embodiments, the thickness T4 of chambered member 120 may vary throughout the longitudinal length of the sole structure 100 in order to achieve the desired flexibility and/or rigidity.
In some embodiments, provisions can be made to prevent denaturing of the intermediate member 130. Denaturing of the intermediate member 130 may occur if the intermediate member 130 is exposed to excessive bending or other forces. In some embodiments, the shape of intermediate member 130 may prevent the denaturing of the material making up intermediate member 130. As can be seen in
In some embodiments, the organization of the components may vary in order to adjust a sole structure 100 to the proper stiffness and/or rigidity.
The properties and relationships among the various components described in
The relationship among the components described in
The materials making up the components shown in
The structure and make up of the chambered member 720 may vary. In some embodiments, chambered member 720 may form a honeycomb volume. In some embodiments, carbon chambered member 720 having a honeycomb volume may form a lightweight yet rigid layer in sole structure 700. In some embodiments, chambered member 720 having a honeycomb volume may add enough rigidity such that the thickness of other components may be reduced. By reducing the thickness of other solid components, the weight of the overall sole structure 700 is reduced. In some embodiments, chambered member 720 may be made from any of the materials previously discussed for chambered member 120 in
Components from different embodiments may be combined with, or replace, components in other embodiments in order to adjust for the desired rigidity and/or flexibility of the sole structure. For example, in some embodiments, upper member 710 described in
In some embodiments, the organization of the components may further vary in order to adjust for the proper stiffness and/or rigidity.
The properties and relationships among the various components described in
The components in
In some embodiments, the components shown in
The materials making up the components shown in
The structure and make up of the chambered member 820 may vary. In some embodiments, chambered member 820 may form a honeycomb volume. In some embodiments, carbon chambered member 820 having a honeycomb volume may form a lightweight yet rigid layer in sole structure 800. In some embodiments, chambered member 820 having a honeycomb volume may add enough rigidity such that the thickness of other components may be reduced. By reducing the thickness of other solid components, the weight of the overall sole structure 800 is reduced. In some embodiments, chambered member 820 may be made from any of the materials previously discussed for chambered member 120 in
In some embodiments, intermediate member 830 may be made from glass composite, chambered member 820 may be made from carbon or carbon composite, and upper member 810 may be made from carbon or carbon composite. In some embodiments, indentation 831 in top surface 833 of intermediate member 830, as well as chambered member 820, may be Y-shaped. In some embodiments, chambered member 820 may have a honeycomb volume. In such an embodiment, the rigidity of the sole structure 800 is increased in the area of the chambered member 820 since the flexible glass composite is being replaced by a rigid carbon or carbon composite. In addition, a more rigid carbon composite upper member 810 is located near the wearer's foot than the embodiments illustrated in
In some embodiments, the organization of the components may further vary in order to adjust a sole structure 900 to the proper stiffness and/or rigidity.
The properties and relationships among the various components described in
The components in
The materials making up the components shown in
The structure and make up of the chambered member 920 may vary. In some embodiments, chambered member 920 may form a honeycomb volume. In some embodiments, carbon chambered member 920 having a honeycomb volume may form a lightweight yet rigid layer in sole structure 900. In some embodiments, chambered member 920 having a honeycomb volume may add enough rigidity such that the thickness of other components may be reduced. By reducing the thickness of other solid components, the weight of the overall sole structure 900 is reduced. In some embodiments, chambered member 920 may be made from any of the materials previously discussed for chambered member 120 in
Components from different embodiments may be combined with, or replace, components in other embodiments in order to vary the overall rigidity and/or flexibility of the sole structure. For example, in some embodiments, upper member 910 described in
In another embodiment, a sole structure 1000 may include provisions for optimizing the overall weight for varying amounts of desired rigidity. For example,
The properties and relationships among the various components described in
The size, shape and thickness of chambered member 1020 may vary. In some embodiments, as shown in
The components in
In some embodiments, the size and shape of chambered member 1020 may vary in order to achieve the desired rigidity and/or flexibility. In one embodiment, as shown in
In some embodiments, chambered member 1020 may be associated with one or more cleat members. For example, in some embodiments chambered member 1020 may include protruding portions (not shown in
The materials making up the components shown in
The structure and make up of the chambered member 1020 may vary. In some embodiments, chambered member 1020 may form a honeycomb volume. In some embodiments, carbon chambered member 1020 having a honeycomb volume may form a lightweight yet rigid layer in sole structure 1000. In some embodiments, chambered member 1020 having a honeycomb volume may add enough rigidity such that the thickness of other components may be reduced. By reducing the thickness of other solid components, the weight of the overall sole structure 1000 is reduced. In some embodiments, chambered member 1020 may be made from any of the materials previously discussed for chambered member 120 in
The organization of the components shown in
In some embodiments, provisions may be made for reducing the weight of the sole structure while adjusting the rigidity and/or flexibility. For example, some embodiments may include indentations in more than one component. The indentations of the components may then be aligned and mated during assembly while a chambered member is located in the uppermost member. Since the material making up the chambered member may be less dense than the other components, displacing the material making up the other components with the volume of the chambered member reduces the overall weight of the sole structure. Additionally, the chambered member may increase the overall rigidity of the sole structure in the region where the indentations are located.
Referring to
The properties and relationships among the various components described in
The materials making up the components shown in
The structure and make up of the chambered member 1120 may vary. In some embodiments, chambered member 1120 may form a honeycomb volume. In some embodiments, carbon chambered member 1120 having a honeycomb volume may form a lightweight yet rigid layer in sole structure 1100. In some embodiments, chambered member 1120 having a honeycomb volume may add enough rigidity such that the thickness of other components may be reduced. By reducing the thickness of other solid components, the weight of the overall sole structure 1100 is reduced. In some embodiments, chambered member 1120 may be made from any of the materials previously discussed for chambered member 120 in
In some embodiments, upper member 1180 may be made from glass composite, chambered member 1170 may be made from carbon or carbon composite, and intermediate member 1190 may be made from carbon or carbon composite. In some embodiments, indentation 1183 in top surface 1181 of upper member 1180, indentation 1193 in top surface 1191 of intermediate member 1190, and chambered member 1170, may be Y-shaped. In some embodiments, chambered member 1170 may have a honeycomb volume. In such an embodiment, the rigidity of the sole structure 1100 may be increased in the area of the chambered member 1100 since a portion of the flexible glass composite volume of the upper member 1180 is being replaced by a rigid carbon or carbon composite having a honeycomb volume.
In some embodiments, provisions may be included for providing rigidity to some areas of the sole structure 100, while also providing enough flexibility to allow for twisting and bending. For example, a rigid layer of material may extend into some of the cleat members in the forefoot region in order to provide rigidity there. The rigid layer of material may extend into other areas of the sole structure 100 in order to provide a large surface area capable of absorbing and dissipating impact forces imparted on the cleat members. A flexible layer of material may also extend into the cleat members in order to further absorb and dissipate forces felt on the cleat members and to allow for flexibility in the region.
In some embodiments, a portion of the cleat member may be designed to penetrate into the ground surface. The term “penetrating portion” as used throughout this detailed description and in the claims refers to any portion of a cleat member that is configured to penetrate into a ground surface. In some embodiments, penetrating portions may provide traction between the sole structure 100 and the ground surface. In some embodiments, a portion of the first cleat member 1110, second cleat member 1120, third cleat member 1130, fourth cleat member 1140, fifth cleat member 1150 and/or sixth cleat member 1160 may form a penetrating portion. For example, as seen in
In some embodiments, cleat members may include one or more layers of materials in order to achieve the desired rigidity and/or flexibility.
It will be understood that while the current embodiments use elongated and/or rectangular shaped cleat members, cleat members may be formed in any of various shapes, including but not limited to: hexagonal, cylindrical, conical, conical frustum, round, circular, square, rectangular, rectangular frustum, trapezoidal, diamond, ovoid, as well as any other shape known to those in the art.
In some embodiments the length of the cleat members may vary. For example, in some embodiments, cleat members may extend further into the ground in order to increase traction. In other embodiments, cleat members may extend less into the ground in order to improve the wearer's ability to change directions quickly.
In some embodiments, longer cleat members may be desired.
Referring to
In other embodiments, not every layer of second cleat member 1120 extends beyond plane 1105. In some embodiments, apex 1146 of fourth protruding portion 146 in bottom member 140 may extend outwardly beyond plane 1105, while apex 1136 of fourth protruding portion 136 in intermediate member 130 and apex 1116 of fourth protruding portion 116 in upper member 110 do not extend beyond plane 1105. In some embodiments, apex 1146 of fourth protruding portion 146 in bottom member 140 and apex 1136 of fourth protruding portion 136 in intermediate member 130 may extend outwardly beyond plane 1105, while apex 1116 of fourth protruding portion 116 in upper member 110 does not extend beyond plane 1105. In another embodiment, apex 1146, apex 1136 and apex 1116 do not extend beyond plane 1105.
First cleat member 1110 may have a similar relationship with plane 1105. In some embodiments, apex 1115 of third protruding portion 115 in upper member 110, apex 1135 of third protruding portion 135 in intermediate member 130, and apex 1145 of third protruding portion 145 in bottom member 140 may extend outwardly beyond plane 1105.
In other embodiments, not every layer of first cleat member 1110 extends beyond plane 1105. In some embodiments, apex 1145 of third protruding portion 145 may extend outwardly beyond plane 1105, while apex 1135 of third protruding portion 135 in intermediate member 130 and apex 1115 of third protruding portion 115 in upper member 110 do not extend beyond plane 1105. In some embodiments, apex 1145 of third protruding portion 145 in bottom member 140 and apex 1135 of third protruding portion 135 in intermediate member 130 may extend outwardly beyond plane 1105, while apex 1115 of third protruding portion 115 in upper member 110 does not extend beyond plane 1105. In another embodiment, apex 1145, apex 1135 and apex 1115 do not extend beyond plane 1105.
Third cleat member 1130 and fourth cleat member 1140, located on the forefoot region 149 of the bottom surface 172 of bottom member 140, may also include similar properties and relationships as discussed in
Although the embodiments discussed in
In some embodiments, provisions may be included to further support the cleat members. In some embodiments, as shown in
Some embodiments may include a first blade-like projection 1210. The first blade-like projection 1210 may have a first edge 1211, a second edge 1212 and a third edge 1213. The first edge 1211 may be attached to the bottom surface 172 of bottom member 140. The second edge 1212 may be attached to at least a portion of fourth protruding portion 146. The third edge 1213 may slope from the top corner 1214 of the second edge 1212 to the bottom surface 172 of bottom member 140. In some embodiments, third edge 1213 may form a straight line between top corner 1214 of the second edge 1212 and the bottom surface 172 of bottom member 140. In other embodiments, the third edge 1213 may be curved, or form an arc.
Some embodiments may include a second blade-like projection 1220. The second blade-like projection 1220 has a first edge 1221, a second edge 1222 and a third edge 1223. The first edge 1221 is attached to the bottom surface 172 of bottom member 140. The second edge 1222 is attached to at least a portion of fourth protruding portion 146. The third edge 1223 slopes from the top corner 1224 of the second edge 1222 to the bottom surface 172 of bottom member 140. In some embodiments, third edge 1223 may form a straight line between top corner 1224 of the second edge 1222 and the bottom surface 172 of bottom member 140. In other embodiments, third edge 1223 may be curved, or form an arc.
In some embodiments, the first blade-like projection 1210 may extend away from fourth protruding portion 146 at an angle alpha (α) in relation to the second blade-like projection 1220. In some embodiments, α may be substantially equal to 90°. In other embodiments, a may be greater than or less than 90°. For example, in some embodiments, α is substantially equal to 80°. In another embodiment, α is substantially equal to 100°.
Some embodiments may include a third blade-like projection 1230. The third blade-like projection 1230 has a first edge 1231, a second edge 1232 and a third edge 1233. The first edge 1221 is attached to the bottom surface 172 of bottom member 140. The second edge 1232 is attached to at least a portion of fourth protruding portion 146. The third edge 1233 slopes from the top corner 1234 of the second edge 1232 to the bottom surface 172 of bottom member 140. In some embodiments, third edge 1233 may form a straight line between top corner 1234 of the second edge 1232 and the bottom surface 172 of bottom member 140. In other embodiments, third edge 1233 may be curved, or form an arc.
In some embodiments, the third blade-like projection 1230 may extend away from fourth protruding portion 146 at an angle beta (β) in relation to the second blade-like projection 1220. In some embodiments, β may be substantially equal to 90°. In other embodiments, β may be greater than or less than 90°. For example, in some embodiments, β is substantially equal to 80°. In another embodiment, β is substantially equal to 100°.
Although
Cleat members in the heel region 147 may also include blade-like projections.
In some embodiments, second blade-like projection 1450 may form one lateral projection between cleat member 1160 and cleat member 1150. Forming one lateral projection would increase push-off capability of the wearer and enhance the wearer's capability to change directions.
In some embodiments, provisions may be made for including additional features on the bottom member in order to reduce the weight of the sole structure and/or to improve traction. The embodiments described in
In some embodiments, provisions may be included on bottom member 1500 in order to increase the traction between the wearer's foot and the ground surface. In some embodiments, bottom member 1500 may include a plurality of individual projections forming a first textured region 1570 on the bottom surface 1572 of the heel region 1514 of bottom member 1500. The first textured region 1572 provides for additional traction and enhances the wearer's ability to change directions.
In some embodiments, the shape of the individual projections in first textured region 1570 may vary. In some embodiments, the projections may be triangular or pyramid shaped. In other embodiments, the projections could have any other shape having a point.
In different embodiments, a textured region could be formed in any manner. In some embodiments, first textured region 1570 may be formed when molding the bottom member 1500. In some embodiments, first textured region 1570 may be formed by cutting the formation after molding, such as by a waterjet or laser.
In some embodiments, bottom member 1500 may include a plurality of projections forming a second textured region 1560 on the bottom surface 1572 of the forefoot region 1510 of bottom member 1500. The second textured region 1560 provides for additional traction and enhances the wearer's ability to change directions. In some cases, the projections of second textured region 1560 may be substantially similar to the projections of first textured region 1570.
In some embodiments, provisions may be included to reduce the weight of bottom member 1500. In some embodiments, openings may be made in portions of bottom member in order to reduce the overall weight of bottom member 1500. In some embodiments, a heel opening 1520 may be included in the heel region 1514 of bottom member 1500. In some embodiments, a midfoot opening 1525 may be included in the midfoot region 1512 of bottom member 1500. In some embodiments, a forefoot opening 1530 may be included in the forefoot region 1510 of bottom member 1500.
In some embodiments, provisions may be included to increase the rigidity of bottom member 1500. In some embodiments, bottom member 1500 may include a spinal structure 1565 associated with the bottom surface 1572. In some embodiments, spinal structure 1565 may include a series of diamond and/or triangular shaped structures running in the direction of the heel region 1514 to the forefoot region 1510. The spinal structure 1565 may provide additional structural support to bottom surface 1572 of bottom member 1500.
In some embodiments, the shape of the individual structures of making up the spinal structure 1565 may vary. In some embodiments, the spinal structure 1565 may be made from a series of square-shaped structures. In some embodiments, the spinal structure 1565 may be made from any other shape of individual structures.
In some embodiments, the location of the spinal structure 1565 may vary. In some embodiments, as shown in
While various embodiments of the have been described, the description is intended to be exemplary, rather than limiting and it will be apparent to those in the art that many more embodiments and implementations are possible that are within the scope of the current embodiments. Accordingly, the embodiments are not to be restricted except in light of the attached claims and their equivalents. Also, various modifications and changes may be made within the scope of the attached claims.
Number | Date | Country | |
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Parent | 13009549 | Jan 2011 | US |
Child | 14225643 | US |