IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0629448
(2009-12-02)
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등록번호 |
US-8240691
(2012-08-14)
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발명자
/ 주소 |
|
출원인 / 주소 |
- Safe and Secure Products, Inc.
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대리인 / 주소 |
Patterson Thuente Christensen Pedersen, P.A.
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인용정보 |
피인용 횟수 :
0 인용 특허 :
17 |
초록
▼
A device that detachably mounts to the front side of a wheelchair frame, or similar vehicle, to manually lift or otherwise manipulate an occupied wheelchair up and/or down stairs. The manual wheelchair lift attachment comprises a wheelchair attachment portion and a handhold member for lifting that i
A device that detachably mounts to the front side of a wheelchair frame, or similar vehicle, to manually lift or otherwise manipulate an occupied wheelchair up and/or down stairs. The manual wheelchair lift attachment comprises a wheelchair attachment portion and a handhold member for lifting that is connected by connecting arms. The wheelchair lift attachment apparatus may be adjustable to be configured with different sized wheelchairs. The invention also relates to a wheelchair having a permanent wheelchair frame that operably accepts a lifting mechanism apparatus. The invention also relates to a method of using the foregoing attachment and permanent configuration to transport an occupied wheelchair up and/or down stairs or otherwise maneuver the occupied wheelchair about other similar obstacles.
대표청구항
▼
1. A wheelchair lift apparatus comprising: a hand hold member coupled to a wheelchair attachment portion by at least one connecting arm;the wheelchair attachment portion containing a first horizontal member having a first end and a second end, the first horizontal member coupled to a second horizont
1. A wheelchair lift apparatus comprising: a hand hold member coupled to a wheelchair attachment portion by at least one connecting arm;the wheelchair attachment portion containing a first horizontal member having a first end and a second end, the first horizontal member coupled to a second horizontal member by two or more support members, a first plug member proximately located the first end of the first horizontal member and a second plug member proximately located the second end of the first horizontal member such that there is a distance between the first and second plug members, wherein the first plug member can be operably inserted into a first aperture of a first vertical frame portion of a wheelchair proximate a first front wheel of the wheelchair, and wherein the second plug member can be operably inserted into a second aperture of a second vertical frame portion of the wheelchair proximate a second front wheel of the wheelchair. 2. The wheelchair lift apparatus of claim 1, wherein the first horizontal member and the first and second plug members are located in a first vertical plane. 3. The wheelchair lift apparatus of claim 2, wherein the wheelchair attachment portion further comprises at least one frame engaging member located proximate the second horizontal member, wherein the first plug member and the at least one frame engaging member are both located in a second vertical plane. 4. The wheelchair lift apparatus of claim 3, wherein the at least one frame engaging member is selected from the group consisting of an angled vertically extending frame engaging member, a hooking member, a bench member, or a combination thereof. 5. The wheelchair lift apparatus of claim 1, wherein the first plug member is detachable from the first horizontal member, and the first plug member can be slidably adjustable with respect to the first horizontal member to adjust the distance between the first plug member and the second plug member. 6. The wheelchair lift apparatus of claim 1, wherein the first plug member and the second plug member are detachable from the first horizontal member, and the first plug member and second plug member can be slidably adjustable with respect to the first horizontal member to adjust the distance between the first plug member and the second plug member. 7. The wheelchair lift apparatus of claim 1, wherein the first and second horizontal members are in a parallel configuration. 8. The wheelchair lift apparatus of claim 1, wherein the wheelchair attachment portion further comprises a third horizontal member intermediately located the first and second horizontal members. 9. The wheelchair lift apparatus of claim 8, wherein the third horizontal member operably couples to at least one of the two or more support members. 10. The wheelchair lift apparatus of claim 8, wherein the wheelchair attachment portion comprises two support members and a central vertical member located between the two support members, wherein the third horizontal member operably couples to at least the central vertical member. 11. The wheelchair lift apparatus of claim 1, wherein the second horizontal member is adjustable with respect to the two or more support members. 12. The wheelchair lift apparatus of claim 1, further comprising two connecting arms, wherein the two connecting arms are at a first plane angle of between zero degrees and thirty degrees with respect to the ground when the wheelchair lift apparatus is operably attached to the wheelchair. 13. The wheelchair lift apparatus of claim 12, wherein the two connecting arms are slidably adjustable between at least a retracted position and an extended position with respect to the wheelchair attachment portion. 14. The wheelchair lift apparatus of claim 12, wherein the two connecting arms and hand hold member detachably couple to the wheelchair attachment portion. 15. The wheelchair lift apparatus of claim 1, wherein the wheelchair attachment portion further comprises a third horizontal member intermediately located the first and second horizontal members. 16. The wheelchair lift apparatus of claim 15, wherein the third horizontal member operably couples to at least one of the two or more support members. 17. A wheelchair lift apparatus comprising: a hand hold portion connected to a first and a second connecting arm, the hand hold portion and the first and second connecting arms coupled to a wheelchair attachment portion;the wheelchair attachment portion comprising: a first horizontal member having a first end and a second end defining a first length;a second horizontal member having first end and a second end defining a second length;a first support member having a proximate and distal end and a second support member having a proximate and distal end, the first and second support members coupling the first and second horizontal members; anda first plug member proximately located the proximate end of the first support member proximate the first end of the first horizontal member and a second plug member located the proximate end of the second support member proximate the second end of the first horizontal member, such that there is a distance between the first and second plug members;wherein the first plug member can be operably inserted into a first aperture of a first vertical frame portion of a wheelchair proximate a first front wheel of the wheelchair and the second plug member can be operably inserted into a second aperture of a second vertical frame portion of the wheelchair proximate a second front wheel of the wheelchair. 18. The wheelchair lift apparatus of claim 17, wherein the first horizontal member, the first and second plug members, and the first and second support members are located in a first vertical plane. 19. The wheelchair lift apparatus of claim 18, wherein the second length of the second horizontal member is greater than the first length of the first horizontal member. 20. A wheelchair lift apparatus comprising: a hand hold member coupled to a wheelchair attachment portion by a connecting arm,the wheelchair attachment portion comprising a first horizontal member coupled to a second horizontal member by two or more support members, a first plug member proximately located the first horizontal member, and a second plug member proximately located the first horizontal member, such that there is a distance between the first and second plug members, andwherein the first plug member can be operably inserted into a first aperture of a first vertical frame portion of a wheelchair proximate a first front wheel of the wheelchair, and the second plug member can be operably inserted into a second aperture of a second vertical frame portion of the wheelchair proximate a second front wheel of the wheelchair. 21. The wheelchair lift apparatus of claim 20, wherein at least a portion of the first horizontal member, at least a portion of the first plug member, and at least a portion of the second plug member are located in a first vertical plane. 22. The wheelchair lift apparatus of claim 21, wherein the wheelchair attachment portion further comprises at least one frame engaging member located proximate the second horizontal member. 23. The wheelchair lift apparatus of claim 22, wherein the at least one frame engaging member is selected from the group consisting of an angled vertically extending frame engaging member, a hooking member, a bench member, or a combination thereof. 24. The wheelchair lift apparatus of claim 20, wherein the first plug member is detachable from the first horizontal member, and the first plug member can be slidably adjustable with respect to the first horizontal member to adjust the distance between the first plug member and the second plug member. 25. The wheelchair lift apparatus of claim 24, wherein the second plug member is detachable from the first horizontal member, and the first plug member and second plug member can be slidably adjustable with respect to the first horizontal member to adjust the distance between the first plug member and the second plug member. 26. The wheelchair lift apparatus of claim 20, wherein the first and second horizontal members are arranged in a substantially parallel configuration. 27. The wheelchair lift apparatus of claim 20, wherein the second horizontal member is adjustable with respect to the two or more support members. 28. The wheelchair lift apparatus of claim 20, wherein the connecting arm is at a first plane angle of between zero degrees and thirty degrees with respect to the ground when the wheelchair lift apparatus is operably attached to the wheelchair. 29. The wheelchair lift apparatus of claim 28, wherein the connecting arm is slidably adjustable between a retracted position and an extended position with respect to the wheelchair attachment portion.
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