Lever-actuated bicycle energy storage assembly

Linear actuator having manual override and locking mechanism

Linear actuator with speed controlling brake

Linear motion drive

Manual override and locking mechanism and actuator including...

Mechanical stored energy positioning actuator

Method and apparatus for tensioning an accumulator spring of a d

Motor driven valve

Motor mechanism for child's swing

Motor operator for a stored energy operating mechanism

Motor-driven, spring-returned rotary actuator

Mounting device for spiral spring

Music box operation stopping mechanism

Operational mechanism for movable body

Power source device

Power spring drive apparatus

Pull-back windup type spring drive unit

Ratcheting mechanism for circuit breaker motor operator

Recharge device, particularly for drive mechanisms for extending

Reflex member hold-down mechanism