Multi-stage energy storage device
Music box operation stopping mechanism
Oil change system for road vehicles
Operational mechanism for movable body
Pendulum structure
Portable fluid recovery system and method of use
Positioning rotary actuators
Power generating apparatus
Power generating apparatus
Power source device
Power spring drive apparatus
Power transmission device
Power unit
Power-loop apparatus and method
Powered toy boat
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
Reset mechanism responsive to loss of torque