Hinge for convertible sofa

Details Hinge for convertible sofa Hinge for convertible sofa

1991-03-22

1992-01-28

Trettel, Michael F.

Beds

Sofa bed

Reverting back

5 47, 5 572, A47C 1717

Patent

active

050833332

ABSTRACT:
The present invention is for a sofa bed recliner that can be simply opened into a bed or closed to form a sofa. The mechanism allows the sofa to be opened or closed while being in close proximity with a wall.
The mechanism also provides for the positive locking of the back frame element to the seat frame element both in the closed and open position to assure a rigid structure in both positions.

REFERENCES:
patent: 677671 (1901-07-01), Lawsen
patent: 1596316 (1926-08-01), Singleton
patent: 2209880 (1940-07-01), Fox
patent: 3042935 (1962-07-01), Nielsen
patent: 3107364 (1963-10-01), Simmons
patent: 3634853 (1972-01-01), Hern et al.
patent: 4168860 (1979-09-01), Garza et al.
patent: 4642823 (1987-02-01), Wiggins
patent: 4737996 (1988-04-01), Tiffany
patent: 4829611 (1989-05-01), Fireman et al.
patent: 4875244 (1989-10-01), Tremblay
patent: 4996730 (1991-03-01), Fireman et al.

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