Brake linkage self-adjustment mechanism

Details Brake linkage self-adjustment mechanism Brake linkage self-adjustment mechanism

1991-11-12

1993-03-23

Halvosa, George E. A.

Brakes

Wheel

Axially movable brake element or housing therefor

188 7951, 188 7954, 188 7962, 188196C, 192 7025, 192111A, F16D 6560

Patent

active

051956179

ABSTRACT:
A self-adjustment mechanism for a brake system includes a first sprag clutch seated in a support. An eccentric serves as an inner race for the first sprag clutch and as an outer race for a second sprag clutch. A timing assembly serves as an inner race for the second sprag clutch and includes first and second spaced-apart pins projecting from a surface. An arm is pivotally connected to the timing assembly and positioned between the pins. A brake apply cam engages a first end of the arm so that it pivots with respect to the timing assembly. As the arm pivots, a brake apply piston is engaged. A pivot center of the arm is selectively rotated by the eccentric to maintain the phase relationhip of the cam and the brakepack as the plates wear.

REFERENCES:
patent: 3365029 (1968-01-01), Swift
patent: 4260049 (1981-04-01), Fasano
patent: 4431101 (1984-02-01), Limbacher
patent: 4671400 (1987-06-01), Grunberg et al.
patent: 4706785 (1987-11-01), Hartz

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