Removable crank for manually powered rotary devices

Details Removable crank for manually powered rotary devices Removable crank for manually powered rotary devices

1995-09-28

1997-08-05

Marmor, Charles A.

Machine element or mechanism

Control lever and linkage systems

Elements

403324, 403328, 16114R, 16DIG24, B25G 326, G05G 112

Patent

active

056531494

ABSTRACT:
A removable crank for driving various manually powered rotary devices, such as winches. The crank includes an improved mechanism for locking it to the device. The locking mechanism involves a manually retractable locking element located in the crank extension which interacts with a groove disposed in the crank receiving socket of the rotary device.

REFERENCES:
patent: 2190081 (1940-02-01), Pfauser
patent: 2590610 (1952-03-01), Grosch
patent: 3073192 (1963-01-01), Beers
patent: 3810703 (1974-05-01), Pasbrig
patent: 3865500 (1975-02-01), Newell
patent: 4571113 (1986-02-01), Coren
patent: 4883255 (1989-11-01), Bacon

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