Compact mechanism functions under automatic control, manual control, or both. Output shaft rotation is controlled automatically by two hydraulic cylinders or manually by movement of input lever. Automatic control movement is isolated from manual-control movement by adjustment of force on piston spring. Actuator can be modified to control straight line position rather than rotation, or to open valves that regulate fluid flow in actuator, thus creating special movements other than simple rotation.
Dual mode actuator
NASA Tech Briefs ; 5 , 1
1980-08-01
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Englisch