Drum brake adjuster

Details Drum brake adjuster Drum brake adjuster

1985-08-08

1987-10-27

Reger, Duane A.

Brakes

Wheel

Transversely movable

188196BA, F16D 6556

Patent

active

047023570

ABSTRACT:
Disclosed herein is an improved servo brake drum adjustment mechanism which automatically adjusts the brake shoes for wear of the friction pads and drum surface. The mechanism comprises a screw thread adjustment link activated by movement of a pawl finger upon a star wheel. The pawl finger is activated by a wire like push rod. Upon a predetermined circumferential movement of the primary brake shoe the push rod effects rotation of the star wheel and adjustment of the brake shoe assemblies.

REFERENCES:
patent: 3067840 (1962-12-01), Werner
patent: 3103261 (1963-09-01), Borgard
patent: 3111200 (1963-11-01), Gores
patent: 3128847 (1964-04-01), Swift
patent: 3221842 (1965-12-01), Shampton

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