Bidirectional drive with a unidirectional irreversibility mechan

Details Bidirectional drive with a unidirectional irreversibility mechan Bidirectional drive with a unidirectional irreversibility mechan

1987-12-22

1989-06-27

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 8A, 188 8277, F16D 6702

Patent

active

048421090

ABSTRACT:
A bidirectional drive has a unidirectional irreversibility mechanism (22) which includes a ratchet and pawl composed of a fixed outer annular gear (32) surrounding parallel plates (26, 30) attached to the input and output shafts (24,28). The pawl lever (36) is pivotably mounted on the output shaft plate (26) and driven in one direction by a pin (50) on the input shaft plate (26) against the force of a spring (44). Engaging protrusions (54) on each shaft plate (26, 30) are utilized when rotation is in the opposite direction.

REFERENCES:
patent: 1572265 (1926-02-01), Bostwick et al.
patent: 2166792 (1939-07-01), Black
patent: 2339232 (1944-01-01), Moroney
patent: 2727604 (1955-12-01), Robertson
patent: 2750007 (1956-06-01), Turner et al.
patent: 3915022 (1975-10-01), Walton
patent: 3976172 (1976-08-01), F'Geppert
patent: 3976173 (1976-08-01), Spencer
patent: 4057220 (1977-11-01), Kudlacek
patent: 4456227 (1984-06-01), Notenboom
patent: 4480733 (1984-11-01), Grimm et al.
patent: 4591029 (1986-05-01), Da Foe

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