Patent ID: 8453805
Filing Date: 2013-06-04
Classification: F16D

Abstract:
1. An automatic slack adjuster for a vehicle brake, comprising: a housing configured to be coupled to a brake actuator for applying a brake actuating force to the vehicle brake; a worm gear set carried by the housing, the worm gear set including a worm gear and a worm shaft, wherein an adjustment mechanism having an input part and an output part, the input part being concentrically disposed about an end of the worm shaft and the output part being non-rotatably coupled to the worm shaft, the adjustment mechanism further having a ball detent clutch disposed between the input part and the output part to transfer up to a predetermined amount of torque between the input part and the output part; and an adaptor part carried by the housing and having an externally-accessible operating feature coupled to the output part, wherein the ball detent clutch is configured to operate without relative motion between the input part and the output part in an axial direction when the predetermined amount of torque is exceeded.