Automatic slack adjuster

Details Automatic slack adjuster Automatic slack adjuster

F - Mech Eng,Light,Heat,Weapons

16

D

188/209

F16D 65/38 (2006.01) F16D 65/60 (2006.01)

Patent

CA 1221042

ABSTRACT OF THE DISCLOSURE: An automatic slack adjuster for vehicle brakes includes an annular housing, a splined bushing within the housing, and unidirectional clutch between housing and bushing, the bushing having an annular surface frictionally engaged by the surface of a ring having limited rotation. Brake pressure is applied to a rotatable brake actuating mechanism on the forward (i.e., power application) stroke by an amount equal to brake-application and slack. On the return (i.e., non- powered) stroke, slack adjustment is provided by limited rotation of the ring, while the housing continues freely to automatically reset the device to its null position.

441954

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