Cam brake automatic slack adjusting mechanism

Details Cam brake automatic slack adjusting mechanism Cam brake automatic slack adjusting mechanism

1975-03-03

1976-04-13

Reger, Duane A.

Brakes

Wheel

Transversely movable

188196BA, F16D 6556

Patent

active

039498409

ABSTRACT:
A lever and automatic slack adjusting mechanism for a cam actuated brake assembly which includes a worm and shaft rotatably mounted in a bore provided to the lever, a plunger axially movable relative to the bore and having a rotary driving connection with the worm shaft, linkage means operatively connecting the plunger to the lever to effect outward movement of the plunger in response to arcuate movement of the lever in a brake applying direction and detent means carried by the lever. The detent means includes a pawl extending into toothed engagement with a helical toothed surface provided to the plunger. The pawl, following arcuate movement of the lever causing the linkage to move the plunger outwardly beyond a predetermined distance relative to the detent means during the brake applying stroke, rotates the plunger, the worm shaft and a worm gear having a rotary driving connection with a camshaft upon return movement of the plunger.

REFERENCES:
patent: 3507369 (1970-04-01), Oliver

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