Tiltable mat assembly

Details Tiltable mat assembly Tiltable mat assembly

1989-06-20

1990-06-19

Grosz, Alexander

Beds

Sofa bed

Reverting back

5425, 5453, 5457, A61G 700, A47C 2710

Patent

active

049340026

ABSTRACT:
A mat assembly is constructed so as to be tilted about a longitudinal axis by means of a pair of inflatable air bags. The mat assembly has an upper air cushion sheet mounted upon a frame, a lower air cushion sheet provided upon the underside of the frame, and a pair of air bags disposed upon the underside of the lower air cushion sheet at right and left thereof as viewed in the longitudinal direction. By supplying air to a bag upon one side and by discharging air from the bag upon the other side, the mat assembly is tilted.

REFERENCES:
patent: 3717885 (1973-02-01), De Mare
patent: 3978530 (1976-09-01), Amarantos
patent: 4234982 (1980-11-01), Bez et al.
patent: 4441220 (1984-04-01), Peterson
patent: 4527298 (1985-07-01), Moulton
patent: 4654903 (1987-04-01), Chubb et al.
patent: 4697290 (1987-10-01), Alkind et al.
patent: 4826247 (1989-05-01), McGrady et al.
patent: 4839932 (1989-06-01), Williamson

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