Selectively engageable linear power actuator

Details Selectively engageable linear power actuator Selectively engageable linear power actuator

1984-01-30

1986-03-11

Staab, Lawrence J.

Machine element or mechanism

Alternate manual or power operators

74479, 74522, G05G 1100, F16H 5100

Patent

active

045746540

ABSTRACT:
A remotely controllable linear power actuator for the control of manually operable hydraulic valve handle or the like. A down-geared motor drives an adjustable friction slip clutch connected to a plate that can be rotated around the axis of the clutch by operation of the motor. A freely movable second plate is pivotally connected to the first elongated plate and the linearly movable output shaft is connected to the opposite end of the second plate. Thus, until the two plates are interconnected against pivotal rotation the output shaft which is connected to the valve handle may be easily moved manually. A solenoid interlock on one plate may be actuated to force the solenoid armature, or a steel ball driven by the armature, into a corresponding hole in the other plate to thereby connect the two plates at some point distant from the pivot pin.

REFERENCES:
patent: 2965181 (1960-12-01), Senkowski
patent: 4240304 (1980-12-01), Griffiths
patent: 4306314 (1981-12-01), Griffiths

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