Bi-directional torque transmission unit
Bi-directional, dual speed film transport gear drive apparatus
Bi-directional, dual speed film transport gear drive apparatus w
Bias mechanism for single shift shaft mechanical transmissions
Bias ratio levelling apparatus of a worm gear type differential
Biased transmission control shaft
Biax gimbal arrangement
Bicycle and pedal system
Bicycle assistive handlebar structure
Bicycle auxiliary handle assembly
Bicycle bottom bracket and bearing axle arrangement
Bicycle brake and shift operation device
Bicycle brake cable coupling means
Bicycle brake cable system
Bicycle brake cable system
Bicycle brake device
Bicycle brake device
Bicycle brake lever assembly
Bicycle brake lever mechanism
Bicycle brake operating device