A portable, reversibly-extensible hammock has a foldable structure for supporting a substantially planar support surface. The hammock can be folded for transportation or storage, and can be shifted to an extended configuration to create a rectangular structure similar to a cot or hammock frame. A du
A portable, reversibly-extensible hammock has a foldable structure for supporting a substantially planar support surface. The hammock can be folded for transportation or storage, and can be shifted to an extended configuration to create a rectangular structure similar to a cot or hammock frame. A dual-purpose tensioning strap joins the support surface to the foldable structure and increases the structural integrity of the structure by urging top portions of leg members toward a center point of the rectangular structure.
대표청구항▼
1. A collapsible, self-supporting chaise longue, comprising: a reversibly extensible frame system capable of supporting a first substantially planar support surface, said first substantially planar support surface being capable of supporting a user's weight when said frame system is in an extended c
1. A collapsible, self-supporting chaise longue, comprising: a reversibly extensible frame system capable of supporting a first substantially planar support surface, said first substantially planar support surface being capable of supporting a user's weight when said frame system is in an extended configuration;wherein said first substantially planar support surface comprises a tensioning strap that is capable of concurrently providing structural integrity to said frame system and allowing a user-selected amount of tension to be applied to said first substantially planar support surface when said frame system is in an extended configuration;wherein said tensioning strap traverses a plurality of leg members of said frame system at or near an upper portion of each of said leg members. 2. The chaise longue of claim 1, wherein said reversibly extensible frame system comprises: an assembly comprising two or more pairs of said leg members connected by one or more rotatably-coupled support member pairs that cooperatively allow said frame system to be shifted between a compact configuration and an extended configuration. 3. The chaise longue of claim 2, wherein a longitudinal stability of said frame system is at least partially provided by locking said one or more support member pairs into said extended configuration. 4. The chaise longue of claim 3, wherein said locking said one or more support member pairs into said extended configuration comprises inserting a terminal end of a first support member of a support member pair into a shroud disposed on a first one of said legs; and inserting a terminal end of a second support member into a shroud disposed on a second one of said legs. 5. The chaise longue of claim 4, wherein: each one of said legs comprises a joining member disposed on said upper portion of said leg member, wherein said joining member is configured to receive a portion of said tensioning strap and allow shifting of said tensioning strap therethrough; andwherein tightening said tensioning strap urges said upper portions of said leg members toward one another and against an urge-resistive bracing force provided by said support member pairs, thereby providing structural integrity to said frame system. 6. The chaise longue of claim 4, wherein said second support member is part of a second support member pair. 7. The chaise longue of claim 5, wherein said joining member comprises: a rigid body having one or more protrusions configured to securely fit into an end portion of a frame member;a channel on a first face of said body configured to receive a portion of said tensioning strap; anda flared portion on a second face of said body, wherein said flared portion originates from said channel, and wherein said first and said second faces are substantially orthogonal. 8. The chaise longue of claim 7, wherein said rigid body comprises a first protrusion configured to be inserted into one of said leg members of said frame and a second protrusion configured to be inserted into an end portion of a cross-brace that spans two or more of said leg members. 9. The chaise longue of claim 2, further comprising a second, different substantially planar support surface capable of supporting a portion of a user's weight, wherein said second planar portion is attached to said first substantially planar support surface at one end, and to a headrest frame assembly at a second end, wherein said headrest frame assembly is rotatably coupled to a portion of said reversibly extensible frame system. 10. The chaise longue of claim 9, wherein said headrest frame assembly is rotatably coupled to a cross-brace that spans a first and a second one of said leg members. 11. The chaise longue of claim 10, wherein a headrest tensioning strap is coupled at each end to said headrest frame assembly and to a cross-brace, respectively, wherein said cross-brace is a rigid member that spans a first and second one of said leg members. 12. The chaise longue of claim 1, wherein said planar support surface comprises one or more mechanisms for attaching one or more accessories, or a second collapsible, self-supporting hammock thereto. 13. The chaise longue of claim 12, wherein said one or more accessories is one or more of: a fishing or hunting accessory, a floatation device, a shade, netting, a beverage holder, a pocket, an anchor, a pillow, or a storage container. 14. The chaise longue of claim 2, wherein a first one of said leg members comprises a jacket for coupling one of said rotatably-coupled supports to said first leg member, the jacket comprising: a rigid body having one or more bores for inserting one or more attachment mechanisms therethrough and into said leg member to attach said jacket to said leg member; anda shroud extending from said rigid body at an angle that allows an end portion of a first support member of said rotatably-coupled support to be inserted therein when said frame is in an extended configuration;wherein at least one of said attachment mechanisms provides for attaching a second support member of said rotatably-coupled support to said jacket. 15. The chaise longue of claim 14, further comprising a column-shaped stabilizing body protruding from said rigid body and disposed within said shroud, wherein said stabilizing body is sized and configured to be inserted into said end portion of said first support member, and wherein said stabilizing body protrudes from said rigid body at substantially the same angle as said shroud extends from said rigid body. 16. A portable cot, comprising: a reversibly extensible frame system for supporting a fabric thereon in a cot-like configuration, comprising: first and second support assemblies, each comprising a connected series of rotatably-coupled, x-shaped frame support members, wherein said first support assembly spans from a first leg to a second leg, and said second assembly spans from a third leg to a fourth leg, wherein each of said legs comprises an upper portion; and first and second rigid cross-braces attached to, and separately spanning from said first leg to said third leg, and from said second leg to said fourth leg to provide a semi-rigid framework having a substantially rectangular shape;wherein said fabric further comprises a tensioning strap configured to allow a user to urge said upper portions of said first, said second, said third, and said fourth legs together against a resistive force provided by said semi-rigid framework, thereby creating a substantially rigid framework and a resting surface capable of being used as a cot. 17. The portable cot of claim 16, further comprising a shroud disposed on said upper portion of each of said first, second, third, and fourth legs that provides the capability to reversibly couple an end of said x-shaped frame support member to said leg. 18. The portable cot of claim 16, further comprising straps attached to said frame system or said fabric, or both, to allow said portable cot to be worn as a backpack. 19. The portable cot of claim 16, further comprising means for attaching accessory items or attaching two or more portable cots in a tandem configuration. 20. A portable chaise longue, comprising: a substantially rectangular-shaped, reversibly-extensible support frame comprising a head frame and a foot frame, wherein said head frame and said foot frame comprise two legs coupled by one or more rigid cross-braces, and wherein said head frame and said foot frame are joined by at least two x-shaped supports to form a substantially-rectangular frame shape, wherein said x-shaped support comprises at least two rigid support members rotatably coupled at their longitudinal midpoints;a first substantially planar support surface at least partially supported in a suspended configuration on at least two sides by a tensioning strap that traverses a top portion of each of said legs;a backrest frame rotatably coupled to one of said head frame cross-braces; anda second substantially planar support surface joined along one perimeter side to said first substantially planar support surface, and along a second perimeter side to said backrest frame;wherein providing tension to said tensioning strap causes each of said top portions of each of said legs to shift toward a midpoint of said substantially-rectangular frame when said portable chaise longue is in an extended configuration. 21. The chaise longue of claim 2, wherein said rotatably-coupled support member pairs are transversely separated by a spacer. 22. The chaise longue of claim 7, wherein said channel of said joining member has a width less than a thickness of said tensioning strap for frictionally resisting a tensioning strap disengagement force. 23. The chaise longue of claim 7, further comprising a cleat for securing said tensioning strap to said joining member. 24. The chaise longue of claim 1, wherein said first substantially planar support surface is comprised of a nylon mesh material. 25. The chaise longue of claim 1, wherein said first substantially planar support surface comprises an elongate loop disposed on at least one side of its perimeter that is configured to allow said tensioning strap to shift therethrough. 26. The chaise longue of claim 1, wherein said tensioning strap is comprised of two coupled, non-integral tensioning strap portions. 27. The chaise longue of claim 9, wherein said portion of said reversibly extensible frame system is a lower traversing cross brace, and a retaining strap spans between said headrest frame assembly and said lower traversing cross brace to provide adjustable tensioning of said second, different substantially planar support surface. 28. The chaise longue of claim 1, further comprising at least one fastening mechanism configured to allow coupling of a second of said chaise longues in a tandem configuration. 29. The chaise longue of claim 28, wherein said fastening mechanism is a loop of resilient fabric, a hook-and-loop type fastener, or a side-release buckle. 30. The chaise longue of claim 1, further comprising a waterproof storage compartment integrally connected to said first substantially planar support surface.
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