Seating-system for folding wheelchairs

Details Seating-system for folding wheelchairs Seating-system for folding wheelchairs

1985-11-07

1988-03-22

McCall, James T.

Chairs and seats

Bottom or back

Framework

297457, 297DIG4, A47C 702

Patent

active

047324260

ABSTRACT:
The present invention relates to a seat structure for collapsible (foldable) invalid chairs provided with a flexible seat and/or back covering, comprising an upholstery material (3) and a covering material (4) at least partially enclosing said upholstery material. The covering material (4) is provided with ultrafine perforations, and an open-pore foam material shaped as a molded part is used for the upholstery material.

REFERENCES:
patent: 3028201 (1962-04-01), Heckethorn
patent: 4435015 (1984-03-01), Trotiman et al.
patent: 4493488 (1985-01-01), Panaia et al.
patent: 4579390 (1986-04-01), Guille

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