Tensioner

Timer drive mechanism

Timing mechanism

Torque transmitting device

Transmission device

Transmission mechanisms

Transmission with minimal orbiter

Transport system for a dot matrix printing mechanism

Turntable with stepping drive

Unidirectional force generator

Universal propulsion powerplant and impulse drive unit for self-

Variable feed drive mechanism

Variable gear ratio/speed drive

Variable ratio power transmission

Variable speed change gear

Variable speed control apparatus

Variable speed drive having intermediate alternating movements

Variable speed power transmission

Variable speed torque multiplying transmission

Variable speed transmission