Chair with integrated, retractable carry strap

Information

  • Patent Grant
  • 6764132
  • Patent Number
    6,764,132
  • Date Filed
    Tuesday, May 13, 2003
    21 years ago
  • Date Issued
    Tuesday, July 20, 2004
    20 years ago
Abstract
A collapsible chair having a sling that may be used as a carry strap. When the collapsible chair is in an opened configuration, the sling retracts out of the way, but when the collapsible chair is in a closed or collapsed configuration, the sling can be pulled out and slung over the user's shoulder as a carry strap. When the collapsible chair is in the collapsed configuration, and the sling is extended, tension on the sling assists in maintaining the chair in the collapsed position.
Description




BACKGROUND OF THE INVENTION




Field of Invention




This invention relates generally to the field of chairs having an integrated carry strap.




BRIEF SUMMARY OF THE INVENTION




The improved collapsible chair according to this invention is similar to conventional, folding beach chairs. However, the improved collapsible, folding chair includes a sling that may be used as a carry strap. When the collapsible chair is in an opened configuration, the sling retracts out of the way, but when the collapsible chair is in a closed or collapsed configuration, the sling can be pulled out and slung over the user's shoulder as a carry strap. Additionally, when the collapsible chair is in the collapsed configuration, and the sling is pulled out, tension on the sling assists in maintaining the collapsible chair in the collapsed position.











BRIEF DESCRIPTION OF THE DRAWINGS




Exemplary embodiments of this inventions will be described in detail, with reference to the following figures, wherein like reference numerals refer to like parts throughout the several views, and wherein:





FIG. 1

shows a front perspective view of a first exemplary embodiment of a collapsible chair having an integrated, retractable carry strap according to this invention;





FIG. 2

shows a rear perspective view of the first exemplary embodiment of the collapsible chair according to this invention;





FIG. 3

shows a rear perspective view of the first exemplary embodiment of the collapsible chair according to this invention, wherein the collapsible chair is in a partially collapsed state;





FIG. 4

shows a rear perspective view of the first exemplary embodiment of the collapsible chair according to this invention, wherein the collapsible chair is in a fully collapsed state;





FIG. 5

shows a front perspective view of the first exemplary embodiment of the collapsible chair according to this invention, wherein the collapsible chair is in a fully collapsed state;





FIG. 6

shows an enlarged view of an exemplary strap attachment according to this invention;





FIG. 7

shows an enlarged view of a first exemplary embodiment of a seat strap guide according to this invention; and





FIG. 8

shows an enlarged view of a first exemplary embodiment of a frame strap guide according to this invention.











DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS




For simplicity and clarification, the operating principles, design factors, and layout of the collapsible chair according to this invention are explained with reference to various exemplary embodiments of the collapsible chair according to this invention. The basic explanation of the collapsible chair is applicable for the understanding and design of the constituent components comprising the collapsible chair of this invention




For simplicity and clarification, the operating principles, design factors, and layout of the collapsible chair having an integrated, retractable carry strap according to this invention are explained with reference to various exemplary embodiments of the collapsible chair according to this invention. The basic explanation of the collapsible chair is applicable for the understanding and design of the constituent components comprising the collapsible chair of this invention.




The accompanying drawing figures show one exemplary embodiment of the collapsible chair having an integrated, retractable carry strap


100


according to this invention.

FIGS. 1 and 2

show the collapsible chair


100


in an opened state,

FIG. 3

shows the collapsible chair


100


in a partially collapsed state, and

FIGS. 4 and 5

show the collapsible chair


100


in a fully collapsed state. In the collapsed state, the collapsible chair


100


may be more easily carried by a user.




As shown in

FIGS. 1-8

, the collapsible chair


100


includes at least some of a frame


105


, a back frame


110


, a bottom frame


115


, a front support leg


120


, a rear support leg


125


, a pair of leg cross-members


127


, a frame cross-member


130


, a pair of leg supports


131


, a pair of frame brace members


133


, a pair of arm rests


135


, a pair of position adjustment plates


140


, a seat panel


145


, a back panel portion


150


, a bottom panel portion


155


, at least one frame cushion element


160


, at least one strap attachment


165


, at least one frame strap guide


170


, at least one seat strap guide


173


, a carry strap


175


, a carry strap cushion element


180


, a carry handle


185


, a storage compartment


190


, a storage compartment flap


195


, and a storage compartment flap closure means


197


.




The frame


105


is made of a material, such as, for example, aluminum, aluminum alloy, or other metal alloy, steel, or steel alloy, plastic, wood, or other composite material. In various exemplary embodiments, each portion of the frame


105


, as further described herein, may be solid or tubular in construction. The frame


105


includes the back frame


110


pivotally coupled, via the frame cross-member


130


, to the bottom frame


115


. Thus, the back frame


110


and the bottom frame


115


are rotatable about the frame cross-member


130


. The frame cross-member


130


is a rod that extends beyond the width of the back frame


110


such that the pair of leg supports


131


can be secured to the ends of the frame cross-member


130


.




In various exemplary embodiments, the pair of leg supports


131


is configured to contact the rear support leg


125


when the collapsible chair


100


is in an opened state.




The frame


105


also includes the front support leg


120


coupled, via the pair of leg cross-members


127


, to the rear support leg


125


. Thus, the front support leg


120


and the rear support leg


125


are rotatable about the pair of leg cross-members


127


. The pair of leg cross-members


127


is, for example, rods, cylindrical rivets, screws, bolts, or other suitable fasteners.




The front support leg


120


is also rotatably coupled to the bottom frame


115


. In various exemplary embodiments, the front support leg


120


is also rotatably coupled to the bottom frame


115


at point between the ends and the apex of front support leg


120


and the ends and apex of bottom frame


115


.




In various exemplary embodiments, the width of the back frame


110


and the front support leg


120


are substantially similar, while the bottom frame


115


and the rear support leg


125


have different widths. In certain exemplary embodiments, the rear support leg


125


is the widest, followed by the back frame


110


and the front support leg


120


(both having substantially similar widths), and finally, the bottom frame


115


. In this manner, in a collapsed state, each of the components of the frame


105


is substantially parallel and adjacent to one another.




The frame


105


further includes the pair of arm rests


135


. The pair of arm rests


135


are pivotally coupled to the back frame


110


and adjustably coupled, via the pair of position adjustment plates


140


, to the front support leg


120


and the rear support leg


125


. In this manner, a user is able to alter the position of the back frame


110


relative to the bottom frame


115


. Such adaptability and selectable positioning of the back frame


110


relative to the bottom frame


115


is known in the art.




It should be appreciated that, in various exemplary embodiments, the arm rests arc pivotally coupled to the front support leg


120


and the rear support leg


125


. In these exemplary embodiments, the back frame


110


is not adjustable relative to the bottom frame


115


.




The pivotal, and possibly adjustable, coupling of the pair of arm rests


135


, allows the pair of arm rests


135


to rotated such that when the collapsible chair


100


is in a collapsed state, the pair of arm rests


135


are adjacent and substantially parallel to back frame


110


.




In various exemplary embodiments, the arm rests are made of a material such as, for example, aluminum, aluminum alloy, or other metal alloy, steel, or steel alloy, plastic, wood, or other composite material.




The seat panel


145


includes the back panel portion


150


and the bottom panel portion


155


, and is attached, either permanently, semi-permanently, or temporarily to the frame


105


, so as to provide support to a user seated within the collapsible chair


100


.




More specifically, the back panel portion


150


of the seat panel


145


is attached about or around the back frame


110


and the frame cross-member


130


, while the bottom panel portion


155


of the seat panel


145


is attached about or around the bottom frame


115


and the frame cross-member


130


.




The seat panel


145


may be attached about or around the frame


105


by looping the seat material, for example, over the apex of the back frame


110


and sewing the looped portion to a back side of the back panel portion


150


. A similar sewing procedure may be used to couple the bottom panel portion


155


to the apex of the bottom frame


115


. The seat panel


145


is also coupled to the frame cross-member


130


in a similar manner. The attachment method provides sufficient tension to the seat panel


145


to allow an average user of the collapsible chair


100


to be supported by the collapsible chair


100


.




The back panel portion


150


and the bottom panel portion


155


may be part of a continuous piece of material or may be separate pieces of material. In various exemplary embodiments, the seat panel


145


is made of a fabric or other material, such as nylon, spandex, neoprene, canvas, polyester, or the like. The material may be of a porous, non-porous, or net design.




It should be appreciated that the material used to construct the back panel portion


150


may be the same as the material used to construct the bottom panel portion


155


. Alternatively, the material used to construct the back panel portion


150


may be different from the material used to construct the bottom panel portion


155


.




Optionally, the collapsible chair


100


may include the at least one frame cushion element


160


. The frame cushion element(s)


160


are typically an element, such as, for example a polystyrene foam or other foam, which covers at least a portion of the frame


105


so as to provide a level of cushion or padding between the frame


105


and the seat panel


145


. Other cushion element(s) (not shown) may be present to provide additional cushion or padding to the seat panel


145


.




In various exemplary embodiments, the storage compartment


190


is formed on the back side of the back panel portion


150


. In various exemplary embodiments, the~storage compartment


190


is made of the same material as the back panel portion


150


. Alternatively, the storage compartment


190


may be made of a material different from the material of the back panel portion


150


, such as, for example, flexible webbing. The storage compartment


190


may be constructed to include pleats, thereby allowing the storage compartment


190


to expand outwardly from the back panel portion


150


.




In various exemplary embodiments, the storage compartment


190


includes the storage compartment flap


195


, which is capable of being extended over and overlying the opening defined by the storage compartment


190


, allowing the storage compartment


190


to be closed. The storage compartment flap


195


may be detachably coupled to the storage compartment


190


by the storage compartment flap closure means


197


. In various exemplary embodiments, the storage compartment flap closure means


197


comprises releasable fasteners such as male/female snap-release buckles, Velcro or other hook-and-loop fasteners, a ziplock fastening device, a zipper, buttons, snaps, or other fastening or closure means known by those skilled in the art, connected or coupled to each of the storage compartment


190


and the storage compartment flap


195


.




Optionally, the at least one carry handle


185


is also included. As shown in the accompanying drawing figures, the carry handle


185


is fixedly attached to the back panel portion


150


, substantially along the apex of the back frame


110


. The carry handle


185


may be made of a webbing or other material.




As further shown in

FIGS. 1-8

, the collapsible chair


100


also includes the carry strap


175


. The carry strap


175


is made of a webbing, cord, rope, or other material and is coupled to or about the front support leg


120


, by at least one strap attachment


165


, along the apex of the front support leg


120


. In various exemplary embodiments, the at least one strap attachment


165


includes two looped anchors attached along the apex of the front support leg


120


. Each end of the carry strap


175


is attached to a looped anchor by looping an end of the carry strap


175


through the looped anchor and attaching the looped portion to the carry strap


175


by riveting, grommeting, or sewing the looped portion to the carry strap


175


.




Alternatively, the at least one strap attachment


165


includes an elongated hole formed through the front support leg


120


. Each end of the carry strap


175


is attached by looping an end of the carry strap


175


through the elongated hole and attaching the looped portion to the carry strap


175


by riveting, grommeting, or sewing the looped portion to the carry strap


175


.




In still other exemplary embodiments, the at least one strap attachment


165


includes an attachment area along the apex of the front support leg


120


where each end of the carry strap


175


is attached by looping an end of the carry strap


175


around the front support leg


120


, in one of the two attachment areas, and attaching the looped portion to the carry strap


175


by riveting, grommeting, or sewing the looped portion to the carry strap


175


.




It should be appreciated that the carry strap


175


does not have to be looped around the front support leg


120


, but may be attached directly to the front support leg


120


.




Optionally, the collapsible chair


100


also includes the at least one frame strap guide


170


and/or the at least one seat strap guide


173


. In various exemplary embodiments, the at least one frame strap guide


170


and/or the at least one seat strap guide


173


comprise a looped anchor. The at least one frame strap guide


170


and/or the at least one seat strap guide


173


may take any geometric shape, and provide a areas on the collapsible chair


100


, through which the carry strap


175


is passed, such that the carry strap


175


can be maintained in a given configuration on the collapsible chair


100


.




The looped anchor may take any geometric shape, and is attached to the seat panel


145


or the frame


105


. In various exemplary embodiments, the looped anchor is made of, for example, aluminum, aluminum alloy, or other metal alloy, steel, or steel alloy, plastic, wood, or other composite material. Alternatively, the looped anchor is made of, for example, fabric or other material, such as nylon, spandex, neoprene, canvas, polyester, or the like. The material may be of a porous, non-porous, or net design.




As shown in the attached drawing figures, at least one steel looped anchor may be attached in the corner sections of the back frame


110


of the frame


105


, and at least one fabric looped anchor may be attached along the portion of the seat panel


145


that covers the frame cross-member


130


. However, it should be appreciated that, in various other exemplary embodiments, at least one fabric looped anchor may be attached on the back side of the back panel portion


150


, and at least one steel looped anchor may be attached along the portion of the frame cross-member


130


.




The path that the carry strap


175


takes from a strap attachment


165


, through a seat strap guide


173


, through one frame strap guide


170


, through a second frame strap guide


170


, through another seat strap guide


173


, and finally to another strap attachment


165


, allows the carry strap


175


to retract out of the way when the collapsible chair is in an opened state (as shown in FIGS.


1


and


2


). When the collapsible chair


100


is in a partially collapsed or collapsed state (as shown in FIG.


3


and FIGS.


4


and


5


), the carry strap


175


can be pulled out and slung over the user's shoulder. Additionally, when the collapsible chair


100


is in the collapsed configuration, and the carry strap


175


is pulled out, tension on the carry strap


175


assists in maintaining the collapsible chair


100


in the collapsed position.




In various exemplary embodiments, the carry strap


175


includes an additional length of strap material (not shown) and a buckle (not shown), such that the length of the carry strap


175


may be adjusted through the buckle (not shown).




In various exemplary embodiments, the carry strap


175


includes the carry strap cushion element


180


. The carry strap cushion element


180


, which is made of, for example, a polystyrene foam, is included to serve as a cushion to the shoulder of a user when the collapsible chair


100


is carried by the user.




In various exemplary embodiments, the carry strap


175


may comprise a cord, rope, or strap material that may be at least partially enclosed or concealed within the frame


105


of the collapsible chair


100


. For example, the carry strap


175


may take a path from a strap attachment


165


, through a first opening (not shown) in the back frame


110


, through a hollow portion or cavity (not shown) of the back frame


110


, through a second opening (not shown) in the back frame


110


, through a third opening (not shown) in the back frame


110


, through a hollow portion or cavity (not shown) of the back frame


110


, through a fourth opening (not shown) in the back frame


110


, and finally to another strap attachment


165


.




While this invention has been described in conjunction with the exemplary embodiments outlined above, it is evident that many alternatives, modifications, variations, and/or adaptations will be apparent to those skilled in the art. Therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed exemplary embodiments. It is to be understood that the phraseology of terminology employed herein is for the purpose of description and not of limitation. Accordingly, the foregoing description of the exemplary embodiments of the invention, as set forth above, are intended to be illustrative, not limiting. Various changes, modifications, and/or adaptations may be made without departing from the spirit and scope of this invention.



Claims
  • 1. A collapsible chair comprising:a frame having a back fame pivotally coupled, via a frame cross-member, to a bottom frame, wherein the back frame is pivotally coupled near a fist and a second back frame end, via the frame cross-member, near a first and a second bottom frame end of the bottom frame, a front support leg pivotally coupled to the bottom frame at point between the ends and the apex of front support leg and the ends and apex of bottom frame, and pivotally coupled, via a pair of leg cross-members, to a rear support leg, wherein the front support leg is pivotally coupled near a fit and a second front support leg end, via the pair of leg cross-members, near a first and a second rear support leg end, the frame capable of being collapsed such that the back frame, the bottom frame, the front support leg, and the rear support leg collapse substantially parallel and adjacent to one another, a pair of arm rests pivotally coupled to the back frame and pivotally coupled near the cad of the front support leg and the end of the rear support leg, the pair of arm rests capable of rotating such that when the collapsible chair is in a collapsed state, the pair of arm rests are positioned adjacent and substantially parallel to the back frame; a seat panel to provide support to a user, wherein the seat panel includes a back panel portion coupled between the back frame and the frame cross-member, and a bottom panel portion, coupled between the frame cross-member and the bottom frame; a carry strap having a first end and a second end, wherein th first end of the carry strap is coupled, via a first strap attachment, about the front support leg, along an apex of the front support leg, the carry strap is positioned trough a first seat strap guide, through a first frame strap guide, through a second frame strep guide, through a second seat strap guide, and finally is coupled, via a second strap attachment, about the front support leg, along an apex of the font support leg, such that the carry strap ray retract when the collapsible chair is in an opened state and may be extended when the collapsible chair is in a partially collapsed or collapsed state, such that when the collapsible chair is in the partially collapsed or collapsed state, tension on the carry strap assists in maintaining the collapsible chair in the partially collapsed or collapsed state.
  • 2. The collapsible chair of claim 1, wherein the frame comprises a material selected from one of aluminum, aluminum alloy, metal alloy, steel, steel alloy, plastic, wood, and composite material.
  • 3. The collapsible chair of claim 1, wherein the width of the back frame and the front support leg are substantially similar, and the width of Me bottom frame and the rear support leg are different.
  • 4. The collapsible chair of claim 1, wherein each of the back fame, the front support leg, the bottom frame, and the rear support leg has a different width.
  • 5. The collapsible chair of claim 1, wherein the width of the rear support leg is greater than each of the width of the back frame the width of the front support leg, and the width of the bottom frame.
  • 6. The collapsible chair of claim 1, further including a pair of leg supports secured near a first and a second end of the frame cross-member and the rear support leg, wherein the pair of leg supports is configured to contact the rear support leg when the collapsible chair is in an opened state.
  • 7. The collapsible chair of claim 1, wherein the pair of arm rests are adjustably coupled, via a pair of position adjustment plates, near the ends of the front support leg and the rear support leg, such that a position of the back Same relative to the bottom frame may be adjusted.
  • 8. The collapsible chair of claim 1, wherein the pair of leg cross-members comprise one of rods, cylindrical rivets, screws, bolts, and fasteners.
  • 9. The collapsible chair of claim 1, where each end of the carry strap is coupled directly to the front support leg.
  • 10. The collapsible chair of claim 1, wherein each strap attachment comprises a looped anchor attached along the apex of the front support leg.
  • 11. The collapsible chair of claim 1, wherein each strap attachment comprises an elongated hole formed hugh the front support leg.
  • 12. The collapsible chair of claim 1, wherein each strap attachment comprises an attachment am along the apex of the front support log.
  • 13. The collapsible chair of claim 1, wherein each scat strap guide comprises a looped anchor through which the car strap is passed, such that the carry strap may be maintained in a given configuration on the collapsible chair.
  • 14. The collapsible chair of claim 1, wherein each frame strap guide comprises a looped anchor attached to the back frame.
  • 15. The collapsible chair of claim 1, wherein the carry strap is at least partially enclosed or concealed within the frame.
  • 16. The collapsible chair of claim 1, wherein the carry strap includes the carry strap cushion element.
  • 17. The collapsible chair of claim 1, wherein a length of the carry strap is adjustable.
  • 18. The collapsible chair of claim 1, further including a storage compartment formed on a back side of the back panel portion.
  • 19. The collapsible chair of claim 18, further including a storage compartment flap coupled to the back side of the back panel portion, which is capable of being extended over an opening defined by the storage compartment the, storage compartment flap having storage compartment flap closure means to detachably couple the storage compartment flap to the storage compartment.
  • 20. A collapsible chair comprising:a frame having a back frame pivotally coupled at its ends, via a frame cross-member, to the ends of a bottom fire, a front support leg pivotally coupled to the bottom frame at point between the ends and the apex of front support leg and the ends and apex of bottom frame, and pivotally coupled at its ends, via a pair of leg cross-members, to the ends of a rear support leg the Same capable of being collapsed such that the back frame, the bottom frame, the front support leg, and the rear support leg collapse substantially parallel and adjacent to one another; a pair of arm rests, each having a plurality of adjustment positions, pivotally coupled to the back frame and pivotally coupled near the end of the front support leg and the end of the rear support leg the pair of arm rests capable of rotating such that when the collapsible chair it in a collapsed state, the pair of arm rests are positioned adjacent and substantially parallel to the back frame; a seat panel to provide support to a user, wherein the seat panel is attached about the back frame, the frame cross-member, and the bottom frame; a carry strap having a first end and a second end, wherein the first end of the carry strap is coupled, via a first strap attachment, about the front support leg, along an apex of the front support leg, the carry strap is positioned through a first seat strap guide, through a first frame strap guide, through a second frame strap guide, through a second seat strap guide, and finally is coupled, via a second strap attachment about the front support leg, along an apex of the front support leg, such that the carry strap may retract when the collapsible chair is in an opened state and may be extended when the collapsible chair is in a partially collapsed or collapsed state, such that when the collapsible chair is in the partially collapsed or collapsed state, tension on the carry strap assists in maintaining the collapsible chair in the partially collapsed or collapsed state.
CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the benefit of U.S. Provisional No. 60/378,040 filed May 15, 2002, the entire disclosure of which is incorporated herein by reference.

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Provisional Applications (1)
Number Date Country
60/378040 May 2002 US