Caged helical gear differential

Cam action pin locking means for a differential

Cam mechanism for limited slip or locking differential

Camera panner

Camshaft driving mechanism

Carbon spacer

Carrier braked forward and reverse planetary transmission

Casing for power transmission unit for automotive vehicle

Center differential for four-wheel drive vehicle

Centralized wet-brake and other improvements for running gears w

Centrifugal force adjusted infinitely variable drive apparatus f

Centrifugal force controlled transmission

Centrifugally actuate clutch for a limited slip differential

Centrifugally actuated valve for transmission

Centrifugally controlled two-speed accessory drive

Change gear planetary transmission

Change-speed apparatus in a tractor

Change-speed gear system for use in automatic transmissions

Change-speed planetary transmission

Change-speed transmission