Torque drive mechanism

Details Torque drive mechanism Torque drive mechanism

1979-08-03

1981-12-22

Lazarus, Ira S.

Wells

Receptacles

With separate air chamber having openable passage

64 23, 166233, 166311, 166104, 210415, F16D 100, E21B 3702, E21B 4308, B01D 3516

Patent

active

043064280

ABSTRACT:
A new torque drive mechanism is disclosed between a reversible rotatable square bar means for rotating a washer while providing free longitudinal movement of the square rod in the washer, and for providing free passage of liquid therebetween the bar and the washer.

REFERENCES:
patent: 1638731 (1927-08-01), Hanson
patent: 2280054 (1942-04-01), Beck
patent: 2309697 (1943-02-01), Gunderson
patent: 2729294 (1956-01-01), Adams
patent: 2744579 (1956-05-01), Gerhardt
patent: 3547194 (1970-12-01), Morine
patent: 3754651 (1973-08-01), Lannoch
patent: 3901320 (1975-08-01), Calderon et al.
patent: 3937281 (1976-02-01), Harnsberger
patent: 4180463 (1979-12-01), Calderon

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