IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0867928
(2004-06-15)
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등록번호 |
US-7854481
(2011-02-14)
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발명자
/ 주소 |
|
출원인 / 주소 |
- Star Cushion Products, Inc.
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대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
22 |
초록
▼
A wheelchair back assembly mounts to a pair of spaced apart laterally-aligned support posts of a wheelchair back frame. The back assembly includes a relatively rigid shell member, and a mounting system for coupling the shell member to the wheelchair back frame. The mounting system includes at least
A wheelchair back assembly mounts to a pair of spaced apart laterally-aligned support posts of a wheelchair back frame. The back assembly includes a relatively rigid shell member, and a mounting system for coupling the shell member to the wheelchair back frame. The mounting system includes at least a first mounting bracket assembly, a second mounting bracket assembly, and a lateral member that is configured to be coupled to the first and second mounting bracket assemblies. The first mounting bracket assembly is configured to couple to a first of the wheelchair back frame support posts, and the second mounting bracket assembly is configured to couple to the second of the wheelchair back frame support posts. The lateral member is selectively operable to uncouple the shell member from the wheelchair back frame.
대표청구항
▼
What is claimed is: 1. A wheelchair back assembly for mounting to a pair of spaced apart laterally-aligned support posts of a wheelchair back frame, said back assembly comprising: a relatively rigid shell member; a mounting system for coupling said shell member to the wheelchair back frame, said mo
What is claimed is: 1. A wheelchair back assembly for mounting to a pair of spaced apart laterally-aligned support posts of a wheelchair back frame, said back assembly comprising: a relatively rigid shell member; a mounting system for coupling said shell member to the wheelchair back frame, said mounting system comprising at least a first mounting bracket assembly, a second mounting bracket assembly, and a lateral member configured to be coupled to said first and second mounting bracket assemblies such that said lateral member extends from said first mounting bracket assembly to said second mounting bracket assembly, said first mounting bracket assembly configured to couple to a first of the wheelchair back frame support posts, said second mounting bracket assembly is configured to couple to the second of the wheelchair back frame support posts, said lateral member is selectively operable to uncouple said shell member from the wheelchair back frame; and a coupling system for removably coupling said shell member to said mounting system, said coupling system comprising a first coupler assembly configured to couple to said first mounting bracket assembly and a second coupler assembly configured to couple to said second mounting bracket assembly, said lateral member comprises at least one biasing member configured to bias said lateral member into coupling contact with at least one of said coupler assemblies. 2. A wheelchair back assembly in accordance with claim 1 wherein said first and second coupler assemblies are each configured to be removably coupled to a respective end of said lateral member. 3. A wheelchair back assembly in accordance with claim 1 wherein at least one of said first and second coupler assemblies is configured to slidably couple to said lateral member. 4. A wheelchair back assembly in accordance with claim 1 wherein at least one of said first and second coupler assemblies is configured to couple to said lateral member through a tongue and groove coupling arrangement. 5. A wheelchair back assembly in accordance with claim 1 wherein at least one of said first and second coupler assemblies is configured to couple to said lateral member such that said lateral member and said coupler assembly are interlocked. 6. A wheelchair back assembly in accordance with claim 1 wherein at least one of said first and second coupler assemblies comprises an alignment pin sized to be at least partially received within an opening defined within said lateral member. 7. A wheelchair back assembly in accordance with claim 6 wherein said alignment pin facilitates positioning said lateral member with respect to said coupler assembly. 8. A wheelchair back assembly in accordance with claim 1 wherein said lateral member comprises a pair of ends and a body extending laterally therebetween, said body is coupled against said shell member, each of said lateral member ends is removably coupled to a respective said coupler assembly. 9. A wheelchair back assembly in accordance with claim 8 wherein said lateral member at least one biasing mechanism is configured to bias said lateral member into coupling contact with each of said coupler assemblies. 10. A wheelchair back assembly in accordance with claim 1 wherein said at least one biasing mechanism comprises a retractable retaining pin, each said retaining pin is sized to be received at least partially within an opening defined in said coupler assemblies. 11. A wheelchair back assembly in accordance with claim 1 wherein said biasing mechanism is selectively operable to uncouple said shell member from the wheelchair back frame. 12. A wheelchair back assembly in accordance with claim 1 wherein said at least one biasing mechanism is configured for single-handed release of said shell member from the wheelchair back frame. 13. A wheelchair back assembly in accordance with claim 1 wherein said lateral member comprises a hand grip device, said hand grip device is selectably operable to uncouple said shell member from the wheelchair back frame. 14. A wheelchair back assembly in accordance with claim 12 wherein said hand grip device is configured for single-handed release of said shell member from the wheelchair back frame. 15. A wheelchair back assembly in accordance with claim 1 wherein said lateral member is configured to enable single-handed release of said shell member from the wheelchair back frame. 16. A wheelchair back assembly in accordance with claim 1 wherein said mounting assembly further comprises a third mounting bracket assembly and a fourth mounting bracket assembly, said third and fourth mounting bracket assemblies configured to couple said shell member to the wheelchair back frame such that said third mounting bracket assembly is coupled to the first wheelchair back frame support post and said fourth mounting bracket assembly is coupled to the second wheelchair back frame support post. 17. A wheel chair back assembly in accordance with claim 16 wherein said third and fourth mounting bracket assemblies are each configured to pivotally couple said shell member to the second wheelchair back frame support post. 18. A wheel chair back assembly in accordance with claim 16 wherein said third and fourth mounting bracket assemblies each comprise a plurality of openings defined therein, said openings for positioning said shell member with respect to the wheelchair back frame. 19. A wheelchair comprising: a back frame comprising a pair of spaced-apart support posts, said support posts are substantially laterally-aligned; and a back assembly comprising a relatively rigid shell member coupled between said pair of support posts, and a mounting system for slidably coupling said shell member to said back frame, said mounting system comprising a first mounting bracket assembly, a second mounting bracket assembly, a third mounting bracket assembly, and a lateral member coupled between said first and second mounting bracket assemblies, said lateral member is configured to extend from said first mounting bracket assembly to said second mounting bracket assembly and couple to each of said support posts and is selectively operable to uncouple said shell member from said back frame, said third mounting bracket assembly is configured to couple to said back frame such that said first and third mounting bracket assemblies are coupled to different portions of a first of said pair of support posts, and such that said second mounting bracket assembly is coupled to a second of said pair of support posts. 20. A wheelchair in accordance with claim 19 wherein said lateral member is configured for single-handed release of said shell member from said wheelchair back frame. 21. A wheelchair in accordance with claim 20 wherein said lateral member comprises a hand grip device. 22. A wheelchair in accordance with claim 19 wherein said back assembly further comprises a coupling system for removably coupling said shell member to said mounting system. 23. A wheelchair in accordance with claim 22 wherein said lateral member comprises a pair of ends and a body extending therebetween, said coupling system is configured to be removably coupled to each of said body ends. 24. A wheelchair in accordance with claim 23 wherein said lateral member comprises a pair of retaining pins configured to securely couple said shell member in position relative to said back frame. 25. A wheelchair in accordance with claim 24 wherein said pair of retaining pins are selectively retractable to facilitate uncoupling said shell member from said back frame. 26. A wheelchair in accordance with claim 22 wherein said lateral member comprises a pair of ends and a body extending therebetween, said coupling system is configured to slidably couple to each of said body ends. 27. A wheelchair in accordance with claim 22 wherein said lateral member comprises a pair of ends and a body extending therebetween, said coupling system is configured to couple to each of said body ends through a tongue and groove coupling arrangement. 28. A wheelchair in accordance with claim 22 wherein said lateral member comprises a pair of ends and a body extending therebetween, said coupling system is configured to slidably couple to each of said body ends. 29. A wheelchair in accordance with claim 22 wherein said lateral member is configured to couple with said coupling system such that said lateral member is interlocked to said coupling system. 30. A wheelchair in accordance with claim 29 wherein said coupling system comprises at least one alignment pin configured to facilitate interlocking between said lateral member and said coupling system. 31. A wheelchair in accordance with claim 19 wherein said mounting system further comprises a fourth mounting bracket assembly, said second and fourth mounting bracket assemblies are coupled to different portions of said second of said pair of support posts. 32. A wheelchair in accordance with claim 19 wherein said mounting system further comprises a third mounting bracket assembly and a fourth mounting bracket assembly, said third and fourth mounting bracket assemblies are configured to pivotally couple said shell member to said back frame. 33. A wheelchair in accordance with claim 19 wherein said mounting system further comprises a third mounting bracket assembly and a fourth mounting bracket assembly, said third and fourth mounting bracket assemblies are configured to couple said shell member to said back frame, each of said third and fourth mounting bracket assemblies comprises a plurality of openings for selectively positioning said shell member with respect to said back frame. 34. A back assembly for a wheelchair including a pair of laterally aligned support posts, said back assembly comprising: a shell member comprising an upper portion, a lower portion, and a lateral member, said shell member lower portion is pivotally coupled to the support posts; and a mounting system for slidably coupling said shell member between the support posts, said mounting system comprising a first mounting bracket assembly, a second mounting bracket assembly, and a coupling assembly, said first mounting bracket assembly configured to couple said shell upper portion to a first of the support posts, said second mounting bracket assembly configured to couple said shell upper portion to a second of the support posts, said coupler assembly configured to couple between said first mounting bracket assembly and said shell member, and between said second mounting bracket assembly and said shell member, said lateral member extends across said shell member upper portion and is configured to be selectively operable to uncouple said shell member from said coupler assembly, said lateral member is biased into contact with said coupler assembly, said mounting system further comprises a third mounting bracket assembly, and a fourth mounting bracket assembly, said third mounting bracket assembly configured to couple said shell lower portion to the first support post, said fourth mounting bracket assembly configured to couple the shell upper portion to the second support post. 35. A back assembly in accordance with claim 34 wherein said lateral member is configured for single-handed release of said shell member from the wheelchair support posts. 36. A back assembly in accordance with claim 34 wherein said lateral member is slidably coupled to said coupling assembly. 37. A back assembly in accordance with claim 34 wherein said lateral member is coupled to said coupling assembly through a tongue and groove coupling arrangement. 38. A back assembly in accordance with claim 34 wherein said lateral member is coupled to said coupling assembly through an interlocking coupling arrangement. 39. A back assembly in accordance with claim 34 wherein said third and fourth mounting bracket assemblies are configured to pivotally couple said shell member to the support posts.
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