Seat structure

Details Seat structure Seat structure

1983-09-28

1986-02-11

Dorner, Kenneth J.

Beds

Sofa bed

Sliding and pivoting back

5 18R, 5 37R, A47C 1717

Patent

active

045690936

ABSTRACT:
A seat structure capable of being manipulated between a normal seat or chair position and a bed position can be formed so that the seat bottom and the seat back are used along with a base of the seat structure as parts of a five-bar linkage system. A structure is provided on the base and on the seat bottom for controlling the movement of the seat bottom and the other parts connected to it in this linkage system as the seat bottom is moved between the seat and bed configurations. Interlocks are provided between the base and the seat bottom for preventing up or down movement of the back of the seat and the seat back when the seat structure is in the seat configuration.

REFERENCES:
patent: 1437771 (1922-12-01), Mintz
patent: 3571825 (1971-03-01), Bendell
patent: 3896512 (1975-07-01), Black
patent: 4217669 (1980-08-01), Fefferman

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