The present invention is directed to an exercise device, more particularly to an exercise device that utilizes resistance cables that connect to a chair, and even more particularly to an exercise device in the form of a folding chair that includes one or more resistance cables that are connected to the chair and enables a user to preformed different types of exercises when using the chair.
The busy life led by individuals often interferes with the time needed for exercise. A sedentary lifestyle, especially at work, contributes to the problem of a general lack of fitness for many. Many elderly, disabled and/or handicapped individuals can also find it difficult to regularly exercise. As such, there is a need for an exercise device that can enable a user to perform a variety of exercises while seated in a chair or positioned near a chair, such as in an office chair. The exercise device should not be a hindrance when not in use. The exercise device should provide for stomach contraction, antagonist exercise, and a variety of other exercises.
The use of resistance cables for exercising is well known in the prior art. There are many different exercise systems that have been use to address the increased demand for physical fitness. Many of these exercise devices use resistance cables or other types of resistance systems. Non-limiting examples of such devices are disclosed in U.S. Pat. Nos. 7,998,042; 7,621,852; 7,611,450; 7,361,127; 7,381,168; 7,374,518; 7,322,907; 7,077,792; 6,979,284; 6,547,705; 6,500,010; 6,461,283; 6,312,366; 6,146,317; 6,117,056; 6,063,012; 6,013,014; 5,324,243; 5,090,694; 5,044,633; 5,002,271; 4,921,247; 4,838,547; US 2009/0233773; US 2008/0214371; US 2008/0039301; US 2005/0187080; and US 2004/0152572, and references cited therein, all of which are incorporated herein by reference.
For example, U.S. Pat. No. 6,312,366 discloses a bar for attachment onto the back support of a chair. This device allows for limited in exercises. U.S. Pat. No. 6,063,012 discloses an exercise device for wrap-around attachment to a chair back. The device interferes with a person seated in the chair when not in use. U.S. Pat. No. 6,013,014 discloses a curved plate device for attachment about a couch back. This device cannot be used with a personal chair, such as an office chair.
While many of the above identified exercise devices fulfill their respective and particular objects and requirements, such prior art does not disclose a multi-exercise apparatus for chair base attachment.
Although, there are many chair exercising devices, many of these devices are heavy and/or complicated fitness equipment. Many of the prior art devices do not offer an exercise attachment arrangement to a personal chair, such as an office chair, or does not provide an exercise arrangement having versatility and not be an intrusive attachment to the chair. There remains a need for a light weight, portable and compact fitness machine with multiple functions to perform a full body workout while in a seating or standing position, and which exercise system is easy and convenient to use, and can be fold up quick and easy storage. There also remains a need for an improved multi-exercise apparatus for chair base attachment.
The present invention is directed to a portable exercise device that overcome the past limitations of prior portable exercise devices. The portable exercise device in accordance with the present invention includes the use of one or more resistance cables that are connected to a chair, such as a folding chair, to enable a user to preformed different types of exercises when sitting in the chair or standing next to the chair.
In one non-limiting aspect of the present invention, there is provided an improved exercise chair. The exercise chair includes a frame, a seat connected to the frame, and a resistance system. The exercise chair can also include one or more foot rests connected to the frame; however, this is not required. The size, shape and materials used to form the exercise chair are non-limiting. In one non-limiting embodiment of the invention, the exercise chair is foldable; however, this is not required. In another and/or alternative non-limiting embodiment of the invention, the exercise chair includes one or more wheels or rollers to facilitate in the movement of the exercise chair; however, this is not required. In still another and/or alternative non-limiting embodiment of the invention, the exercise chair includes a foldable seat that can fold up and/or down when the frame of the exercise chair is folded; however, this is not required. In yet another and/or alternative non-limiting embodiment of the invention, the seat of the exercise chair includes can include padding (e.g., foam, feathers, filling, etc.) and/or be formed of a soft, flexible and/or compressible material to facilitate in the comfort of the user when sitting on the seat of the exercise chair; however, this is not required. In still yet another and/or alternative non-limiting embodiment of the invention, the frame of the exercise chair includes a back portion that provides back support to a user when sitting in the exercise chair; however, this is not required. The back support, when used, can optionally include one or more padded surfaces and/or one or more surfaces that are formed of a soft, flexible and/or compressible material to facilitate in the comfort of the user and/or to provide back support to the user when sitting on the seat of the exercise chair. The back support, when used, can also or alternatively be used as a gasping surface to provide support to a user when standing next to the exercise chair; however, this is not required. In another and/or alternative non-limiting embodiment of the invention, the foot rest can be used to provide stability to the exercise chair when the user is exercising while seated in the exercise chair and/or standing near the seat of the exercising chair; however, this is not required. In still another and/or alternative non-limiting embodiment of the invention, the resistance system is partially or fully connected to the frame, the seat and/or the at least one foot rest of the exercise chair. In yet another and/or alternative non-limiting embodiment of the invention, the resistance system includes one or more stretchable cords (e.g., bungee or stock cord, etc.), one or more springs (e.g., gas spring, mechanical coil spring, etc.), one or more pieces of flexible memory materials (e.g., metal material, fiberglass material, composite material, plastic material, etc.), and/or one or more pieces of stretchable memory materials (e.g., rubber cord or band, synthetic rubber cord or band). In one non-limiting arrangement, the resistance system includes one, two, three, four, five, or six or more stretchable cords. In one particular design, the user, can select the number of stretchable cords to be used when performing one or more exercises; however, this is not required. In yet another and/or alternative non-limiting embodiment of the invention, the resistance system can be partially or fully detachably connected to the frame, the seat and/or the at least one foot rest of the exercise chair. In one non-limiting arrangement, the resistance system includes a resistance arrangement positioned on one or both sides of the chair. In such an configuration, The frame of the chair can include one, two, or three connection locations for the resistance arrangement for each side of the chair that the resistance arrangement is located; however, this is not required.
In another and/or alternative non-limiting aspect of the present invention, there is provided an improved exercise chair that enables a user of the exercise chair to easily and conveniently perform a plurality of different exercises so as to exercise one or more portions of a users body. Non-limiting exercises that can be conducted on the exercise chair include: 1) abdominal exercises, back exercises, leg exercises, arm exercises, neck exercises, foot and angle exercises, hand and wrist exercises, etc. These exercises can be used to exercises a variety of muscles in the user body (e.g., Stomach (i.e., abdominal, oblique, etc.), Arms (i.e., biceps, triceps, flexor carpi radials, palmaris longus, extensor digitorum, brachioradialis, etc.), Hands, Feet, Chest (i.e., pectoralis major, latissimus dorsi, etc.), Shoulders (i.e., anterior deltoid, middle deltoid, etc.), Back (i.e., latissimus dorsi, teres major, rear deltoid, etc.), Neck (i.e., middle and lower trapezius, platysma, etc.), and Legs (i.e., gluteus maximus, satorius, vastus medialis, vastus lateralis, rectus femoris, gastrocnemius muscle, etc.). The exercises can be used for generally exercising, weight loss, muscle toning, rehabilitation, etc. The exercise chair is designed to enable a user to sit in the exercise chair and to perform one or more types of exercises. The exercise chair can also be designed to enable a user to stand and/or knell at the front and/or rear of the chair and perform one or more types of exercises; however, this is not required.
In still another and/or alternative non-limiting aspect of the present invention, the exercise chair includes a frame that includes a lower or base portion and an upper back portion. The lower or base portion of the frame can have a variety of configurations. One non-limiting configuration is that the lower or base portion is formed of four legs (e.g., two front legs and two rear legs, etc.) and the seat is connected or interconnected to a plurality of the legs. Another non-limiting configuration is that the lower or base portion is formed of a vertical post (e.g., gas cylinder, post, etc.) that is connected the chair seat and to a base that has a plurality of legs which can include a wheel, roller or the like. As can be appreciated, the lower or base portion of the exercise chair can have other configurations. The upper back portion of the exercise chair can also have a variety of configurations. The upper back portion includes a back support that extends upwardly from the seat to support the back of a user while the user is sitting on the seat. One non-limiting configuration is that the upper back portion is formed of two bars or posts and a one or more back plates, back bars, mesh or fabric material, etc. is connected to and positioned between the two bars or posts. When the exercise chair includes two front legs, the front legs and the two bars or posts can be a single piece of material (e.g., tubular metal, composite, material, etc.) and/or van be connected together; however, this is not required. The resistance system is designed to be connected to a both the lower or base portion and the upper back portion. The resistance system can be designed to be removably or irremovably connected to either or both the lower or base portion and the upper back portion.
In yet another and/or alternative non-limiting aspect of the present invention, the exercise chair includes a foldable frame; however, this is not required. The foldable frame includes four folding chair legs that can pivot to fold either under the seat, or at the seat. The seat can be designed to pivot at the seat level. In such an arrangement, the seat aligns between back supports wherein the back support and the front legs are the same part or form the same continuous part.
In still yet another and/or alternative non-limiting aspect of the present invention, resistance system used on the exercise chair is designed to be detachably connected to both the lower or base portion and the upper back portion of the exercise chair. In one non-limiting arrangement, the resistance system is detachably connected to both the front region of the lower or base portion (e.g., front legs, etc.) and the upper back portion of the exercise chair; however, this is not required. In another and/or alternative non-limiting arrangement, the resistance system is detachably connected to both the rear region of the lower or base portion (e.g., rear legs, etc.) and the upper back portion of the exercise chair; however, this is not required. In still another and/or alternative non-limiting arrangement, the resistance system can be detachably connected to either the front and rear region of the lower or base portion (e.g., front or rear legs, etc.) and the upper back portion of the exercise chair; however, this is not required. In this arrangement, the resistance system has the ability to connect to resistance system and to either to the front and rear region of the lower or base portion, thus expanding the versatility of the exercise chair. For some exercises, the resistance system may need to be connect to both the front region of the lower or base portion and the upper back portion. For other types of exercises, the resistance system may need to be connect to both the rear region of the lower or base portion and the upper back portion. The exercise chair can be designed to enable both types of setups; however, this is not required. The lower or base portion and the upper back portion of the exercise chair include resistance connectors that are designed to connect to a portion of the resistance system. In one non-limiting embodiment, the resistance connectors the lower or base portion and the upper back portion of the exercise chair have a similar configuration so that the resistance system can be easily connected to the frame of the exercise chair; however, this is not required. The resistance system can include connectors that can be designed to connect to either of the resistance connectors the lower or base portion and the upper back portion of the exercise chair; however, this is not required. In another and/or alternative non-limiting embodiment, the resistance system includes a first and second resistance hubs (e.g., pulley arrangement, guide arrangement, mounting arrangement, etc.) and one or more resistance cords or bands that are connected to the first and second resistance hubs. The first and second resistance hubs are designed to be the connectors of the resistance system, thus the first and second resistance hubs are designed to be connect to the resistance connectors on the lower or base portion and the upper back portion of the exercise chair. The first and second resistance hubs can have an arrangement to connect to the resistance connectors on the lower or base portion and the upper back portion so that the first and second resistance hubs can be connected to the resistance connectors on either the lower or base portion and the upper back portion; however, this is not required. The first and/or second resistance hubs can have a low friction arrangement (e.g., rollers, smooth surfaces, etc.) to facilitate in the movement of one or more resistance cords or bands partially or fully through the first and/or second resistance hubs; however, this is not required. The first and/or second resistance hubs can have a guide arrangement (e.g., hole, grooved roller, etc.) to maintain the position of the one or more resistance cords or bands as the one or more resistance cords or bands partially or fully move through the first and/or second resistance hubs; however, this is not required. The first and/or second resistance hubs can have an arrangement to connect to the resistance connectors on the lower or base portion and/or the upper back portion so that the first and second resistance hubs can rotate or swivel relative to the lower or base portion and/or the upper back portion (e.g., 45° swivel, 90° swivel, 135° swivel, 180° swivel, 225° swivel, 270° swivel, 360° swivel, etc.); however, this is not required. The one or more resistance cords or bands can include an attachment arrangement to enable different types of user mechanisms (e.g., handle, Velcro band, etc.) to be removably or irremovably connected to one or both ends of the one or more resistance cords or bands; however, this is not required. In one non-limiting arrangement, each set of hubs is designed for use with a single resistance cord or band. In another non-limiting arrangement, each set of hubs is designed for use with a one or two resistance cords or bands. In still another non-limiting arrangement, each set of hubs is designed for use with a one, two or three resistance cords or bands. In still another non-limiting arrangement, each set of hubs is designed for use with a one, two, three, four or more resistance cords or bands. The force required to stretch the one or two resistance cords or bands is non-limiting. When two or more resistance cords or bands are used, the force required to stretch each of the resistance cords or bands can be the same or different. In still another and/or alternative non-limiting embodiment, the resistance system includes a first, second and third resistance hubs and one or more resistance cords or bands that are connected to the first and second resistance hubs and a guided by the third resistant hub; however, this is not required. The first and second resistance hubs can have an arrangement to connect to the resistance connectors on the lower or base portion and the upper back portion; however, this is not required. The third resistance hub is designed to be connected to the seat and/or on the frame at a location that is at or near the seat; however, this is not required. The third resistance hub can be removably or irremovably connected to the frame and/or seat. The third resistance hub can be designed to swivel relative to the frame and/or seat; however, this is not required. The configuration and/or features of the third resistance hub can be the same or similar to one or more configurations and/or features of the first and second resistance hub; however, this is not required.
In another and/or alternative non-limiting aspect of the present invention, the exercise chair includes at least one foot rest that is connected to the frame. In one non-limiting embodiment, the foot rest is connected to the front region of the lower or base portion (e.g., front legs, etc.); however, this is not required. In another and/or alternative non-limiting arrangement, the foot rest is connected to the rear region of the lower or base portion (e.g., rear legs, etc.); however, this is not required. In still another and/or alternative non-limiting arrangement, one foot rest is connected to the front region of the lower or base portion and another foot rest is connected to the rear region of the lower or base portion of the exercise chair. In another and/or alternative non-limiting embodiment, the foot rest moves or otherwise folds up when the frame of the exercise chair is folded up; however, this is not required. In such an arrangement, a movement connector connected between the seat and the foot rest can be used to cause the foot rest to moves or otherwise folds up when the frame of the exercise chair is folded up; however, this is not required. As can be appreciated, other or additional arrangements can be used to cause the foot rest to moves or otherwise folds up when the frame of the exercise chair is folded up. In still another and/or alternative non-limiting embodiment, the top surface of the foot rest can include a gripping surface (e.g., rough surface, gripping polymer surface, rubber surface, etc.) to facilitate in the user maintaining contact and/or reduce slippage while the user is in contact (e.g., feet, shoes, etc. positioned on the food rest, etc.) with the foot rest; however, this is not required. The foot rest is generally mounted to the frame of the exercise chair. Such an arrangement can provides stability to the exercise chair when a user is using the chair; however, this is not required. For instance, when a user stands on the foot rest and the foot rest is connected to the frame of the exercise chair, the weight of the user on the foot rest can facilitate in anchoring the chair to a floor surface or otherwise limit or prevent movement of the frame while the user is performing exercises in conjunction with the exercise chair.
In still another and/or alternative non-limiting aspect of the present invention, frame of the exercise chair includes one or more rollers or wheels to facilitate in the movement of the exercise chair. In one non-limiting embodiment of the invention, one or more rollers or wheels are mounted to the frame so as to be elevated from a floor surface when the exercise chair is in the open or unfolded position. Such as arrangement limits or prevents the one or more rollers or wheels to cause undesired movement of the frame on a floor surface during use of the exercise chair by a user. In one arrangement, the exercise chair requires the user the tilt the chair to enable the one or more rollers or wheels to contact a floor surface; however, this is not required.
In yet another and/or alternative non-limiting aspect of the present invention, the seat is designed to swivel and/or a swivel attachment can be removably or irremovably connected to the seat; however, this is not required. The swivel seat or swivel seat attachment can be used by the user to twist in the exercise chair and thus perform additional types of exercises. When the swivel attachment is removable from the seat or the swivel seat is removable from the frame, the swivel seat or swivel seat attachment can be placed on the floor and the user can stand on the swivel seat or swivel seat attachment to perform additional types of exercises; however, this is not required. The connection arrangement to enable the swivel attachment to be removable from the seat or the swivel seat to be removable from the frame is non-limiting.
In still yet another and/or alternative non-limiting aspect of the present invention, the exercise chair of the present invention embodies a light weight folding full body fitness exercise machine. The exercise machine can optionally include one or two foot plates that retract with the seat when in the folding position. The exercise chair can optionally include a unique back rest roller padded design to provide greater comfort to the user when seated in the exercise chair. The exercise chair can optionally include a resistance system that has two pairs of resistance hubs in the form of pulley assemblies. The pulley assemblies can optionally be connected to the frame of the exercise chair so as to swivel relative to the frame (e.g., 90°, 180°, etc.). The pulley assemblies can optionally be connected to the frame of the exercise chair by L hinges/pivot points or the like to enable the pulley assembles to swivel so as to follow the movement of the one or more resistance bands or cords of the resistance system in a smooth and fast motion when the user is using the resistance system. The pulley assemblies can optionally include a center pulley guide that rotates (e.g., 90°, 180°, etc.) to guide the resistance bands or cords. The pulley assembles can optionally include one or more resistance bands or cords of the same or different tensions per bands. If two bands or cords are used having different tensions, a resistance system having three different tension levels can be created. The pulley arrangements can be optionally designed to quickly be removed from the frame of the exercise chair. The exercise chair allows a user to perform a safe and convenient workout in a time saving manner and in a convenient location. In one non-limiting configuration, the exercise chair is folding fitness sitting and standing exercise apparatus with a unique resistance system contained in a plurality of rotating pulley assembles mounted on their respective axles to the side frame and also includes one or two retractable foot plates to perform leg exercises. The exercise chair can be designed to easily and quickly fold up as a convenient compact unit for easy storage. In another and/or alternative configuration, the resistance system includes two rotational pulley assemblies. Each rotational pulley assembly includes two or three pulley housings. The pulleys can be made of any type of material (e.g., metal, plastic, composite material, etc.). The pulleys can optionally includes a housing having an angled top and contains two or three cord guide arrangement which allow the bands or cords to move thought the pulleys. The resistance bands or cords have connectors, handles, belts, etc. that are sized so as to not pass through the guide arrangement in the pulleys; however, this is not required. Each of the pulley housings can optionally be designed to have limited rotation (e.g., 45-180°) when mounted onto the frame of the exercise chair. The pulley housings can optionally include a skirt attachment area to secure a band cover to the pulley housing so as to cover or protect the bands or cords. A fixing ring or other type of connection arrangement can be used to secure the cover to the pulley housings. A pulley mount axle can be connected to or formed on the frame which is used to mount the pulley housings to the frame. The pulley mount axle can optionally have an L-shape; however, other shapes can be used. The exercise chair can optionally include one or more foot plate that can optionally be designed to automatically fold up with the seat by an attached return bar. The exercise chair can optionally include a roller padded Back rest that is ergonomically designed to support the back of the user while the user is doing sitting exercises and can also or alternatively function as a comfortable hand support while performing leg exercises when standing next to or behind the frame of the exercise chair.
It is one non-limiting object of the present invention to provide an improved exercise chair. The exercise chair is advantageous for use with elderly, disabled and handicap individuals. The exercise chair easy to use. The user merely has to sit in the chair or stand next to the exercise chair and use the resistance system on the exercise chair to work out. A foldable chair frame can be used to facilitate in the storage and/or mobility of the exercise chair.
It is another and/or alternative object of the present invention to provide an exercise chair that can be used for exercising, weight loss, muscle toning, rehabilitation, etc. without the stress of a pre-designed rigid machine. A user can merely use the resistance system on the exercise chair in accordance with the user's body height, age, sex, weight and ability. The exercise chair can be used to perform a variety of different exercises.
It is still another and/or alternative object of the present invention to provide an exercise chair that includes a swivel seat.
It is yet another and/or alternative object of the present invention to provide an exercise chair that has a removable seat.
It is still yet another and/or alternative object of the present invention to provide an exercise chair that has a resistance system that is detachable from the frame and/or seat of the exercise chair.
It is another and/or alternative object of the present invention to provide an exercise chair that has a resistance system that can be adjusted and/or reoriented on the frame and/or seat of the exercise chair.
It is still another and/or alternative object of the present invention to provide an exercise chair that enables a user to adjust the resistance levels of the resistance system.
It is yet another and/or alternative object of the present invention to provide an exercise chair that enables a user to perform a partial or full body workout from a safe, comfortable seated position. When the user is seated, balance and stability of the user can be maintained as the arms, chest, shoulders, abdomen, back, legs, etc. are exercised. The user can also stand next to the exercise chair and use the resistance system for further types of exercises if desired.
It is still yet another and/or alternative object of the present invention to provide an exercise chair that includes a resistance system having a plurality of resistance hubs to maintain the orientation and proper position of the resistance band(s) or cord(s) relative to the frame of the exercise chair when the resistance system is used by the user. The resistance system can be used to provide a user with a wide range of upper body and lower body exercises without use of heavy weights.
It is another and/or alternative object of the present invention to provide an exercise chair that provides a user with a safe, comfortable, secure and well rounded exercise routine.
It is still another and/or alternative object of the present invention to provide an exercise chair that includes one or more foot rests to provide stability to the exercise chair during use by a user.
It is yet another and/or alternative object of the present invention to provide an exercise chair that can be used as an ordinary folding chair, as well as a full body exercise device.
It is still yet another and/or alternative object of the present invention to provide an exercise chair that can fold and roll away for easy storage or use at another location.
These and other objects and advantages will become apparent to those skilled in the art upon reading and following the description taken together with the accompanying drawings.
Reference may now be made to the drawings which illustrate various preferred embodiments that the invention may take in physical form and in certain parts and arrangement of parts wherein:
Referring now to the drawings wherein the showings are for the purpose of illustrating one non-limiting embodiment of the invention only and not for the purpose of limiting same,
Referring now to
The back legs can optionally include rollers or wheels 244 to enable the exercise chair to be easily moved on a floor surface F. The configuration of the rollers or wheels and/or the manner in which the rollers or wheels are mounted (e.g., swivel mount, bracket mount, etc.) to the back legs are non-limiting. As illustrated in
The back support 250 extends upwardly from the seat and is used to support the back of the user when sitting in the exercise chair. The configuration of the back support is non-limiting. The non-limiting back portion illustrated in
As illustrated in
One or more foot rest 400 can be optionally included on the exercise chair. The size, shape, configuration and materials used for the foot rest are non-limiting. As illustrated in
The exercise chair illustrated in
Referring to
Each of the resistance hubs includes a body 612, 622, 712, 722 that has a connection opening 622, 624, 714, 724 that is designed to receive the leg portion of the hub connector. Leg mount rings or bearings 680 can be positioned in the connection opening to facilitate in the proper mounting of the resistance hub to the leg portion of the hub connector. As can be appreciated, other or additional arrangements can be used to facilitate in the proper mounting of the resistance hub to the leg portion of the hub connector. The configuration of the connection opening in conjunction with the configuration of the leg portion of the hub connector can be optionally designed to limit the amount or degree to which the resistance hub can rotate on the leg portion of the hub connector. One such arrangement is illustrated in
Referring now to
As illustrated in
Referring now to
The connectors on the resistance band or cord includes a connection ring 834, 836 that is designed to connected to a handle, Velcro band, strap, foot connector, hand connector, etc. The connection ring can be designed to rotate relative to the end connector; however, this is not required. As illustrated in
The ability of the handle to be disconnected and reconnected to the connection rights enables the handle to be moved, if desired, to be connected to one or more of the connection rings 836 on the end of resistance band or cord located at resistance hub 610 or some other resistance hub. The ability of the handle to be moved to any of the connection rings on the end of resistance band or cord located at resistance hubs 610, 620, 710, 720 results in an expanded number of different exercises that can be performed by the user when using the exercise chair.
As illustrated in
When in use, the handle and the foot strap can be used individually or together depending on the type of exercise and the amount of designed resistance. The handle and foot strap can be connected to the same or different resistance band or cord when performing the exercises.
Referring now to
As illustrated in
Referring now to
Referring now to
Referring now to
As illustrated in
Intermediate resistant hubs 1100, 1102 can include a groove wheel and corresponding guide roller that is the same or similar to the groove wheel and corresponding guide roller used in resistant hubs 610, 620, 710, 720; however, this is not required. Intermediate resistant hubs 1100, 1102 can include the same or similar top and bottom opening configuration in the body of the intermediate resistant hubs as used in the body of resistant hubs 610, 620, 710, 720; however, this is not required. The same or similar arrangement that is used on hub connector 270, 272, 900 and the body of resistant hubs 610, 620, 710, 720 to limit the degree of rotation of the resistant hubs on the hub connector can also be used on intermediate resistant hubs 1100, 1102 and intermediate hub connectors 1100, 1102 to limit the degree of rotation of the intermediate resistant hubs on the intermediate hub connector; however, this is not required. Generally the body of the intermediate resistant hubs 1100, 1102 is small than the body of resistant hubs 610, 620, 710, 720; however, this is not required.
As illustrated in
The use of the intermediate resistant hubs 1100, 1102 facilitates in ensuring that a similar resistance of provided by the resistance bands or cords is encountered by the user when the intermediate resistant hubs 1100, 1102 are connected to either the front or back legs of the chair frame. The intermediate resistant hubs 1100, 1102 also are used to ensure that the resistance bands or cords are maintained close to the side of the chair frame during use.
It will thus be seen that the objects set forth above, among those made apparent from the preceding description, are efficiently attained, and since certain changes may be made in the constructions set forth without departing from the spirit and scope of the invention, it is intended that all matter contained in the above description and shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense. The invention has been described with reference to preferred and alternate embodiments. Modifications and alterations will become apparent to those skilled in the art upon reading and understanding the detailed discussion of the invention provided herein. This invention is intended to include all such modifications and alterations insofar as they come within the scope of the present invention. It is also to be understood that the following claims are intended to cover all of the generic and specific features of the invention herein described and all statements of the scope of the invention, which, as a matter of language, might be said to fall therebetween. The invention has been described with reference to the preferred embodiments. These and other modifications of the preferred embodiments as well as other embodiments of the invention will be obvious from the disclosure herein, whereby the foregoing descriptive matter is to be interpreted merely as illustrative of the invention and not as a limitation. It is intended to include all such modifications and alterations insofar as they come within the scope of the appended claims.
Number | Name | Date | Kind |
---|---|---|---|
4838547 | Sterling | Jun 1989 | A |
4921247 | Sterling | May 1990 | A |
5002271 | Gonzales | Mar 1991 | A |
5044633 | Rice | Sep 1991 | A |
5090694 | Pauls et al. | Feb 1992 | A |
5324243 | Wilkinson | Jun 1994 | A |
5833582 | Chen | Nov 1998 | A |
6013014 | Hern | Jan 2000 | A |
6063012 | Berkowitz et al. | May 2000 | A |
6117056 | Cataldi, Jr. et al. | Sep 2000 | A |
6146317 | Prusick | Nov 2000 | A |
6220995 | Chen | Apr 2001 | B1 |
6312366 | Prusick | Nov 2001 | B1 |
6461283 | Maron | Oct 2002 | B1 |
6500010 | Yatskov | Dec 2002 | B2 |
6500104 | Rich | Dec 2002 | B1 |
6547705 | Yu | Apr 2003 | B2 |
6755463 | Lardieri et al. | Jun 2004 | B2 |
6979284 | Curtis | Dec 2005 | B2 |
7077792 | Nerenberg | Jul 2006 | B2 |
7322907 | Bowser | Jan 2008 | B2 |
7361127 | Tremayne | Apr 2008 | B2 |
7374518 | Ratner | May 2008 | B2 |
7381168 | Bowser | Jun 2008 | B2 |
7611450 | Mancini | Nov 2009 | B2 |
7621852 | Bowser | Nov 2009 | B2 |
7794378 | Splane et al. | Sep 2010 | B2 |
7803096 | Mehta | Sep 2010 | B2 |
7998042 | Bowser et al. | Aug 2011 | B2 |
20040152572 | Reitz et al. | Aug 2004 | A1 |
20050187080 | Bowser | Aug 2005 | A1 |
20060054397 | Pringnitz | Mar 2006 | A1 |
20080039301 | Halbridge | Feb 2008 | A1 |
20080214371 | Alexander | Sep 2008 | A1 |
20080287269 | Humble et al. | Nov 2008 | A1 |
20090233773 | Cardey | Sep 2009 | A1 |
20100041526 | Bowser et al. | Feb 2010 | A1 |
20100255965 | Chen | Oct 2010 | A1 |
Number | Date | Country |
---|---|---|
202006000913 | Mar 2006 | DE |
202007003177 | Aug 2007 | DE |
WO 2007148333 | Dec 2007 | WO |
Number | Date | Country | |
---|---|---|---|
20130157818 A1 | Jun 2013 | US |