Portable seat cushion

Details Portable seat cushion Portable seat cushion

1993-01-28

1994-02-22

Grosz, Alexander

Chairs and seats

Bottom or back

Contoured bottom

5653, 29745232, A47C 762, A47C 2715

Patent

active

052881326

ABSTRACT:
A portable seat cushion having upper and lower seat pads. The upper seat pad is hingedly connected to the lower seat pad forming a hingeline therebetween. The lower seat pad includes first and second cushion members. The first cushion member includes top, bottom and side surfaces. The second cushion member is secured to the bottom surface of the first cushion member. A cavity is formed in the second cushion member such that when an individual sits on the lower seat pad a portion of the first cushion member is free to recess or sag into the first cavity. The upper seat pad includes a lower back support positioned adjacent the hingeline formed between the upper and lower seat pads. The seat cushion is formed from high density polyurethane.

REFERENCES:
patent: D182647 (1958-04-01), Cox
patent: D281210 (1985-11-01), Roberts
patent: D294900 (1988-03-01), Willingham
patent: D310608 (1990-09-01), Axell
patent: 779851 (1905-01-01), Holtzman
patent: 1742186 (1930-01-01), Claus
patent: 2384713 (1945-09-01), Varma
patent: 2483222 (1949-09-01), Moss
patent: 2552476 (1951-05-01), Barton
patent: 2734556 (1956-02-01), Hebrank
patent: 3279849 (1966-10-01), Radke
patent: 3942652 (1960-06-01), Chapman
patent: 3987507 (1976-10-01), Hall
patent: 4522447 (1985-06-01), Snyder et al.

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