Seat cushion

Details Seat cushion Seat cushion

1986-03-10

1988-02-23

McCall, James T.

Chairs and seats

Bottom or back

Framework

297452, 297DIG1, 5450, 5451, A47C 702

Patent

active

047266244

ABSTRACT:
The present invention relates to a seat cushion for the human body which comprises a pad comprising a flexible envelope containing a fluid filling material, which pad is adapted to be used in combination with a shaped tray. In the preferred embodiment, the envelope of the pad is an extensible elastomeric material or the upper surface of the pad comprises excess material, and the pad is partitioned or segmented to limit the flow of the fluid filling material in selected areas of the pad.

REFERENCES:
patent: 2412112 (1946-12-01), Wood et al.
patent: 2855986 (1958-10-01), Engelen, Sr.
patent: 3177036 (1965-04-01), Halter
patent: 3192099 (1965-06-01), Beckman et al.
patent: 3253861 (1966-05-01), Howard
patent: 3308491 (1967-03-01), Spence
patent: 3463547 (1969-08-01), Brennan et al.
patent: 3503649 (1970-03-01), Johnson
patent: 3663973 (1972-05-01), Spence
patent: 3689949 (1972-09-01), Weinstein et al.
patent: 3721232 (1973-03-01), Trenchard
patent: 3858379 (1975-01-01), Graves et al.
patent: 4312087 (1982-01-01), De Geus
patent: 4382306 (1983-05-01), Lickert

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