Method for controlling back clearance of a motion transmission apparatus

Clutch-type electrical driving device for bicycle and clutch-type drive thereof

Joint device and control method thereof

Spherical gear

Boat drive comprising auxiliary drives

Drive arrangement with an infinitely variable sub-gear box

Multi-path rotary wing aircraft gearbox

Split torque geared power transmissions with composite output shafts

Triple output transfer case for a vehicle seat

Compact compound engine package

Integral cooling system for rotary engine

Robot and robot leg mechanism

Three way swivel divider gearbox for agricultural drive systems

Device for compensating a torque produced by a gyrostatic effect