Beds – Sofa bed – Reverting back
Patent
1977-11-30
1980-02-19
Nunberg, Casmir A.
Beds
Sofa bed
Reverting back
5 68, 5412, 5 63, A61G 710
Patent
active
041886771
ABSTRACT:
An adjustable body supporting assembly composed of a foundation and panel on which an assembly of pivotally connected plates rests, being mounted on said foundation with its centrally positioned part and provided with the means to adjust each plate in relation to its adjacent plate. A mattress is forming the top of the bed being held securely in position by encompassing plates of the said assembly. The foundation type panel is distinguished by its compact and simplified construction representing in effect an unbending lower foundation usually associated with regular assemblies composed of foundation and mattress. Means such as powered activators for the adjustment of the plates on which the mattress is mounted are incorporated in the foundation panel.
In a more refined embodiment the invention encompasses a separate head-part, adjustable in relation to the backpart, and an additional main feature of the invention is the operation of the various movements with one single power source such as a compressor, making it possible, together with the simplified construction of this invention, to reduce production costs substantially, and make this important item of personal comfort available at lower prices.
REFERENCES:
patent: 1959920 (1934-05-01), Kaiser
patent: 2766463 (1956-10-01), Bendersky
patent: 3094713 (1963-06-01), Wise
patent: 3392412 (1968-07-01), Aymar
patent: 3419920 (1969-01-01), Maddox et al.
patent: 3434165 (1969-03-01), Keane
patent: 3485240 (1969-12-01), Fountain
patent: 3763507 (1973-10-01), Propst
patent: 3879772 (1975-04-01), Pol
patent: 3972081 (1976-08-01), Stein et al.
patent: 4087874 (1978-05-01), Callaway et al.
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