Abstract: A differential locker having a clutch member (1) having a spring retaining aperture (2) for holding a spring (7) in collinear with a pin (3, 4) in a correspondingly positioned further clutch assembly. The spring access through the side (11, 12) of the clutch assembly is provided by a slot (10) passing fully through the side wall of the clutch assembly and extending from an inner face of the clutch member (1).

Abstract: A locked differential for motor vehicles including, for each of oppositely positioned axles for wheels of a vehicle, an axle coupler, and a driver, each being co-axially aligned with a respective axle, a plurality of teeth on each respective axle, a plurality of teeth on respective mutually facing faces of each respective coupler and driver for effecting an interlocking drive coupling therebetween, a transverse driving shaft extending between the respective drivers and arranged to effect rotation drive against the respective drivers, a resilient device extending between the drivers to urge these apart and toward an interlocking engagement with their respective couplers, and a device providing a camming interrelationship between the respective drivers such that, with relative rotation between the two drivers, the effect, at least as a result from one respective relative direction, will result in the two drivers being urged toward each other against the opposite pressure of the resilient device so as to release