Device for reciprocating a plunger or the like
Device for reciprocating movement
Device for reducing torque variations for use in drive apparatus
Device for switching power of active toy
Device for the automatic control of the vibration frequency...
Device for transferring power between linear and rotary motion
Device for varying feed stroke of feed bars for use in a transfe
Device mounted onto a slider crank for generating a...
Devices for producing vibratory forces
Devices for rotating articles
Dial gauge measuring the length in two different units
Directional-action mechanical vibrator and a mechanical system f
Disc drive linear actuator and control system therefor
Door lock actuator
Door operator
Double cam drive for a hedge trimmer having two reciprocating cu
Downward offset barbell type walking beam compositively...
Drill attachment for converting rotary motion to reciprocatory m
Drive apparatus and method
Drive apparatus and method