Linear actuator take-off and release apparatus

Details Linear actuator take-off and release apparatus Linear actuator take-off and release apparatus

1985-01-29

1989-04-18

Staab, Lawrence

Machine element or mechanism

Alternate manual or power operators

74479, 74527, F16K 3105, G05G 900, G05G 506

Patent

active

048216003

ABSTRACT:
A controlled liner actuator shaft that may be used to open and close hydraulic valves is tapped to control a second valve or the like by an actuator shaft housing selectively lockable to the actuator shaft. An adjustable sleeve on the housing pivotally supports a control handle collar and spaced pivotal connections of the control handle to a stationary member and to the valve to be controlled permits manual control when the shaft housing is released from the shaft, and permits actuator shaft control when the shaft housing is locked to the shaft.

REFERENCES:
patent: 2516642 (1950-07-01), Murphy
patent: 2915915 (1959-12-01), McKay
patent: 4096765 (1978-06-01), Cochran
patent: 4240304 (1980-12-01), Griffiths
patent: 4267804 (1981-05-01), Rypka

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