Contact free device for limiting the relative movement of hydrau
Control device for pneumatic cylinder
Control system for longwall face support frames
Cylinder assembly
Device for effecting translational movement of a machine
Device for increasing pressure in cylinders with control unit
Displacement shift valve and pumping apparatus and methods...
Door operating apparatus
Double action, dual speed and force hydraulic actuators
Double actuator with bypass lines for synchronized movement
Drive/frame assembly for a reciprocating floor
Drive/frame assembly for a reciprocating floor
Driving apparatus
Driving mechanism for moving two objects simultaneously and...
Dual air actuator for operating an air chuck
Dual cylinder linear servo motor
Dual hydraulic oscillator for the reciprocating cutter of an agr
Electrohydraulic servo actuator with centering control
Fast sweep power cylinder for refuse trucks
Flight control system