Self adjusting brake system

Details Self adjusting brake system Self adjusting brake system

1976-02-26

1977-07-05

Blix, Trygve M.

Brakes

Wheel

Transversely movable

188 795K, 188171, 188196B, F16D 4916

Patent

active

040334341

ABSTRACT:
A pair of brake levers each having a brake shoe thereon acting in opposite directions against a brake drum have one end pivotally mounted and the other end of one brake lever is pivotally connected to a pivotally mounted operating lever. A rod is pivotally connected between the other brake lever and the operating lever. The operating lever is moved in the non-braking direction by an actuator and a spring pivots the operating lever in the other direction to apply the brake shoes. The end of the rod pivotally connected to the operating lever has a uni-directional drive thereon to adjust the effective length of the rod only when the operating lever is moved in the non-braking direction to compensate for wear of the brake shoes.

REFERENCES:
patent: 2747698 (1956-05-01), Currie
patent: 3348639 (1967-10-01), Ames et al.
patent: 3782511 (1974-01-01), Parfitt

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