Slack adjusters for vehicle brakes

Details Slack adjusters for vehicle brakes Slack adjusters for vehicle brakes

1976-02-05

1977-11-08

Reger, Duane A.

Brakes

Wheel

Transversely movable

188196BA, F16D 6556

Patent

active

040571289

ABSTRACT:
A slack adjuster to be used in association with the actuating cam of an internal expanding shoe type brake comprises a body member embodying a brake-actuating arm movable around the axis of the cam shaft, a worm rotatably mounted in the body member and meshing with a worm wheel keyed to the cam shaft, a member oscillatably mounted on the body member and co-operating with a non-rotatable member to impart motion to the worm through a sprag clutch when a pre-determined angular movement of the brake-actuating arm is exceeded, and a friction clutch also in the drive from the oscillatable member to the worm and operable to dis-engage the drive if attempt is made to rotate the worm while it is still under braking load.

REFERENCES:
patent: 3351163 (1967-11-01), Sander et al.
patent: 3724607 (1973-04-01), Reinecke
patent: 3901357 (1975-08-01), Reitz et al.
patent: 3921765 (1975-11-01), Swander

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