Beds – Sofa bed – Link supported unfolding
Patent
1983-04-21
1985-04-30
Grosz, Alexander
Beds
Sofa bed
Link supported unfolding
5 29, A47C 1704
Patent
active
045134600
ABSTRACT:
A sofa sleeper having an improved seating surface wherein the seating surface is rigidified by having a cross brace attached between the foldable legs of the sofa sleeper fixture to move up beneath the underside of the folded matress of the sofa sleeper and push that underside upwardly to prevent sagging of the seat when a person is seated upon the seat of the folded sofa sleeper.
REFERENCES:
patent: 2352989 (1944-07-01), Woller
patent: 2878490 (1959-03-01), Schneider
patent: 2985893 (1961-05-01), Trossman
patent: 3247526 (1966-04-01), Rogers
patent: 3854153 (1974-12-01), Fadler et al.
patent: 4104745 (1978-08-01), Pacitti
patent: 4173803 (1979-11-01), Kennedy
patent: 4253205 (1981-03-01), Mikos
Grosz Alexander
Leggett & Platt Incorporated
Luong Vinh
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