Brakes – Wheel – Transversely movable
Patent
1980-01-16
1981-06-02
Song, Robert R.
Brakes
Wheel
Transversely movable
188196BA, F16D 5152
Patent
active
042706335
ABSTRACT:
A duo servo drum brake has an adjusting lever pivoted on the secondary brake shoe and engaging the star wheel of an adjusting screw acting between adjacent ends of the primary and secondary brake shoes. An adjusting rod for operating the adjusting lever during forward braking actuation is pivotally connected to the secondary shoe rim near the adjusting lever, and the pivotal connection is infinitely adjusted for brake wear.
REFERENCES:
patent: 2938610 (1960-05-01), Dombeck
patent: 2978072 (1961-04-01), Burnett
patent: 3050157 (1962-08-01), Kenzik
patent: 3103261 (1963-09-01), Borgard
patent: 3114438 (1963-12-01), Helvern
patent: 3221842 (1965-12-01), Shampton
Coulter James L.
Lorenz Harald H.
General Motors Corporation
McGraw D. D.
Song Robert R.
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