Adjustable height bed

Details Adjustable height bed Adjustable height bed

1977-01-13

1978-07-25

Nunberg, Casmir A.

Beds

Sofa bed

Reverting back

5 66, 5 68, A61G 0710, A47C 2004

Patent

active

041019903

ABSTRACT:
A bed comprising a mattress supporting frame supported on two pair of legs, the lower end of each pair being provided with an extendable portion so that the height of the frame above the floor may be varied, an operating shaft associated with each pair of legs, each shaft being rotatably mounted on or adjacent the associated pair of legs, an arm fixed to and projecting radially from the operating shaft, the arm being connected to the extendable portion of the legs associated with the operating shaft by one or more connecting links so that when a turning force is applied to the operating shaft to effect rotation thereof the height of each of the pair of legs associated therewith is decreased or increased and the mattress supporting frame is lowered or raised.

REFERENCES:
patent: 3015113 (1962-01-01), Wallen
patent: 3478372 (1969-11-01), Benoit et al.
patent: 3608102 (1971-09-01), Goodman
patent: 3887950 (1975-06-01), Wachsman

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