Beds – Sofa bed – Reverting back
Patent
1979-07-30
1981-06-09
Nunberg, Casmir A.
Beds
Sofa bed
Reverting back
5 68, 64 4, 248674, A47C 2100
Patent
active
042715458
ABSTRACT:
An adapter universally applicable to manually operable hospital beds from which the handles or cranks are removed in order to expose the drive pins of the operating shafts, and comprised of a housing adapted to right and left installation to the shaft cover tubes above or below the bed frame, and having a worm and gear driven hub for coupled engagement with said drive pins and with cam actuated limit switches adjustable for rotative angular displacement as circumstances require.
REFERENCES:
patent: 1371325 (1921-03-01), Schank
patent: 2998215 (1961-08-01), Brown
patent: 3230554 (1966-01-01), Peterson
patent: 3797273 (1974-03-01), Benoit et al.
Maxwell William H.
Nunberg Casmir A.
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