Sofa bed construction

Details Sofa bed construction Sofa bed construction

1988-03-18

1989-10-24

Smith, Gary L.

Beds

Sofa bed

Reverting back

5 47, A47C 1716

Patent

active

048752444

ABSTRACT:
A sofa bed features a back piece means pivotally secured to a seat piece means. The back piece means includes dowels which protrude from either side of a side segment of the back piece and an extension portion. The frame of the sofa bed also includes a horizontal groove which is attached to an inside portion of an armrest stand of the sofa bed. A triangular block means attached to an outside portion of the seat piece means, is instrumental in facilitating the easy and efficient operation of the sofa bed. When the sofa bed is in the bed position, it may be converted to a sofa by lifting up on the seat piece until the block means is positioned over the side segment causing the block means to exert a downward force on the extensions, thereby pivoting the back piece to a vertical position while the dowel slides backwardly within the groove.

REFERENCES:
patent: 1876405 (1932-09-01), Karpen
patent: 2209880 (1940-07-01), Fox
patent: 2288775 (1942-07-01), Bell
patent: 2319337 (1943-05-01), McDaniel
patent: 2321206 (1943-06-01), Holcomb
patent: 2694814 (1954-11-01), Doner
patent: 3042935 (1962-07-01), Nielsen
patent: 3107364 (1963-10-01), Simmons
patent: 3634893 (1972-01-01), Hern et al.
patent: 4569093 (1986-02-01), Hermann
patent: 4642823 (1987-02-01), Wiggins
patent: 4737996 (1988-04-01), Tiffany

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