Gas driven motor

Reciprocating drive train

Motor, holder and image capture device using same

Dual-speed auto-shift landing gear

Differential-velocity driving device and mechanical arm to which the differential-velocity driving device is applied

Opening system with right angle gearbox for counters and cabinets

Counterweight-based device for controlling the orientation of fan blades of a turboprop engine

Concentric double axis mechanism having bevel gears

Adjustable lift support apparatus