Bed having a movable mattress supporting platform

Details Bed having a movable mattress supporting platform Bed having a movable mattress supporting platform

1975-08-01

1977-12-13

Nunberg, Casmir A.

Beds

Sofa bed

Reverting back

5 66, A61G 0710

Patent

active

040620743

ABSTRACT:
A bed having a movable mattress supporting platform which is mounted upon a frame having ground engaging means in the form of legs, the mounting between the platform and frame including a plurality of operating shafts rotatably mounted to the frame; at least one arm fixed to and radially extending from each operating shaft, the arm being connected to the mattress support platform by one or more connecting links so that when a turning force is applied to the operating shaft the portion of the mattress supporting platform to which the associated connecting links are attached is raised or lowered.

REFERENCES:
patent: 3149348 (1964-09-01), Hillenbrand
patent: 3493372 (1969-11-01), Benoit et al.
patent: 3608102 (1971-09-01), Goodman
patent: 3802002 (1974-04-01), Jonas
patent: 3835486 (1974-09-01), Benoit et al.
patent: 3887950 (1975-06-01), Wachsman
patent: 3919727 (1975-11-01), Paine
P. 975, Sears Roebuck & Co., Fall 1975, Figs. 6 and 7.

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