Active combine rotor deceleration
Automatic bicycle hub transmission using flyweights
Automatic continuously variable positive mechanical transmission
Automatic opening-closing device
Automatic reduction-ratio changing apparatus
Automatic speed shifting device
Automatic speed-variating system
Automatic stepless transmission apparatus and method thereof
Automatic transmission for vehicle
Automatic transmission for vehicle
Automatic transmission systems for humanly powered vehicles
Automatic variable transmission for power tool
Automatically controlled continuously variable transmission