Automatic bicycle hub transmission using flyweights
Automatic speed-variating system
Automatic transmission for vehicle
Automatic transmission for vehicle
Bicycle hub transmission having a two-piece driver
Bicycle hub transmission with a cylindrical bolt for coupling a
Bicycle transmission system
Bicycle transmission system
Centrifugal clutch in a planetary transmission device
Centrifugal friction clutch for automatic speed changing device
Decelerating device and projection screen rolling mechanism
Planetary transmission
Ratchet wrench having self-shifting transmission apparatus
Transmission device for land vehicle, such as a cart
Transmission device particularly for vehicles, and controlled me
Two-speed automatic transmission