Cushion for a wheelchair

Details Cushion for a wheelchair Cushion for a wheelchair

2006-02-14

2006-02-14

Singh, Sunil (Department: 3673)

Beds

Support for users body or part thereof

Removable support specially adapted for seating

C005S654000, C005S655400, C005S655500, C005S655900, C005S702000, C005S909000, C005S911000, C297S452270

Reexamination Certificate

active

06996864

ABSTRACT:
A cushion for a wheelchair, including a matrix of cushion modules, wherein each cushion module includes a cushion element that has a phase change material included in its filler material that sits above an additional cushion element of a larger volume of filler material. The cushion also typically includes a support rail located on three sides of the matrix of cushion modules to align the body of the wheelchair user when sitting in the wheelchair. In addition, the cushion typically includes a base member that is positioned beneath the matrix and provides stability for the cushion. The cushion elements are typically enclosed in a moisture resistant envelope.

REFERENCES:
patent: 4504402 (1985-03-01), Chen et al.
patent: 5421874 (1995-06-01), Pearce
patent: 5500965 (1996-03-01), Hannagan et al.
patent: 5549743 (1996-08-01), Pearce
patent: 5562657 (1996-10-01), Griffin
patent: 5592706 (1997-01-01), Pearce
patent: 6699266 (2004-03-01), Lachenbruch et al.
patent: 2003/0026973 (2003-02-01), Pause

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