Convertible sofa bed

Details Convertible sofa bed Convertible sofa bed

1991-07-02

1992-03-24

Grosz, Alexander

Beds

Sofa bed

Link supported unfolding

5 29, A47C 1713, A47C 1722

Patent

active

050975447

ABSTRACT:
A convertible sofa bed is disclosed which includes an improved folding bed mechanism which consists of a support section, intermediate section, a center section and a foot section all pivotally connected together by a linkage which permits the sections to be pivoted between an extended position wherein they are linearly aligned and a folded position wherein the foot section extends in a substantially horizontal plane parallel to the intermediate and support sections and the center section extends substantially vertically between the intermediate and foot sections. The linkage allows the folded center and intermediate sections to move into and downwardly in the frame adjacent the support section and includes a push linkage assembly which operates to permit the folded over sections to move into the frame. The push linkage assembly consists of a plurality of links interconnected to each other and to the intermediate frame to remain adjacent the intermediate frame during the folding operation and avoid interference with folding of the mattress contained on the frame.

REFERENCES:
patent: 3284812 (1966-11-01), Koch
patent: 3654642 (1972-04-01), Barabas

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