Support assembly for use with a wheelchair
DCFirst Claim
1. A back support assembly for use with a wheelchair comprisinga generally rectangular rigid backrest having a top portion and a bottom portion and a generally rectangular aperture therethrough, a pair of formable stays, each stay having a first end affixed to the top portion of the backrest and a second end affixed to the bottom of the backrest and a center portion over the aperture of the backrest, a cushioned exterior pad covering the front of the backrest and the stays, wherein, the contour of the cushioned exterior pad can be adjusted to the contour of the user'"'"'s back by adjusting the shape of the stays.
3 Assignments
Litigations
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Accused Products
Abstract
A wheelchair backrest assembly is attachable to a wheelchair to replace the standard web or sling-type back. The backrest assembly is comprised of a rectangular frame having a central opening defined within it, the rectangular frame has sides curved forwardly to accommodate users of various sizes and shapes. A plurality of support members are attached to the frame and mountable to the upright cane portions of the wheelchair. The front portion of the rectangular frame, or that portion facing the wheelchair user, is covered by a cushioned pad, the back of which has a plurality of pockets designed to accommodate formable stays. The shape of each stay may be molded by hand and should be of a material resilient enough to withstand frequent reforming and yet should be strong enough such that when a user reclines against the backrest, the stays remain in place.
43 Citations
27 Claims
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1. A back support assembly for use with a wheelchair comprising
a generally rectangular rigid backrest having a top portion and a bottom portion and a generally rectangular aperture therethrough, a pair of formable stays, each stay having a first end affixed to the top portion of the backrest and a second end affixed to the bottom of the backrest and a center portion over the aperture of the backrest, a cushioned exterior pad covering the front of the backrest and the stays, wherein, the contour of the cushioned exterior pad can be adjusted to the contour of the user'"'"'s back by adjusting the shape of the stays.
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10. A flexible back support assembly, said assembly being functionally adaptable to be used with a wheelchair, comprising
a rigid backrest shell having a top portion and a bottom portion and having a generally rectangular aperture defined therewithin, a flexible cushioned shell covering the front of the backrest, said shell covering fitting snugly over the rigid backrest and having a cushioned exterior pad to one side and at least two vertically aligned longitudinal pockets to the opposite side, at least two stays, each stay being insertable within one of the pockets in the shell, said stays being formed to fit the shape of the user'"'"'s back and being supported at a first end by the top portion of the backrest.
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19. A flexible back support for use with a wheelchair having a pair of upright canes comprising
a generally rectangular rigid backrest having a top and a bottom and a generally rectangular aperture therethough, means for attaching said rigid backrest to the wheelchair canes, a flexible shell covering the front of the backrest and fitting snugly over the backrest and having a cushioned exterior pad on the front and a pair of vertical pockets in the back, and a pair of stays situated on either side of an imaginary centerline on the backrest, said stays being supported by the top and bottom of the backrest and each stay being insertable within one pocket in the shell, wherein the stays situated in the pockets of the flexible shall can be formed to the shape of the user'"'"'s back.
Specification