Clutch actuator

Details Clutch actuator Clutch actuator

2006-09-19

2006-09-19

Rodriguez, Saul (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C074S002000, C192S083000

Reexamination Certificate

active

07108116

ABSTRACT:
A clutch actuating apparatus for engaging a clutch on an engine, such as an engine that drives an oil or gas well pump. The clutch actuator includes a first prime mover for rotating a clutch operating shaft in one direction toward a clutch-engaging position, but which unseats from driving the shaft after the shaft reaches the break over point and before engaging the clutch to prevent clutch damage. A second prime mover rotates the clutch operating shaft in the opposite direction toward a clutch-disengaging position, and unseats from driving the shaft after the break over point.

REFERENCES:
patent: 1540247 (1925-06-01), Bowman
patent: 2127713 (1938-08-01), Batten et al.
patent: 3481437 (1969-12-01), Araikawa
patent: 3752283 (1973-08-01), Fisher
patent: 3872955 (1975-03-01), McIntyre
patent: 4637501 (1987-01-01), Vaiden
patent: 5109968 (1992-05-01), Pollitt et al.
patent: 5495928 (1996-03-01), Sando

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