Mechanically actuated disc brake assembly

Details Mechanically actuated disc brake assembly Mechanically actuated disc brake assembly

1975-05-08

1976-05-04

Blix, Trygve M.

Brakes

Operators

Multiple

188 727, 188 729, 403297, F16D 6518

Patent

active

039541606

ABSTRACT:
The present disclosure relates to a disc brake assembly and more particularly to a combined hydraulic and mechanical brake assembly which includes a manually actuated brake for applying the disc brake pads to the disc for both parking and emergency purposes and means to automatically adjust the brake in response to brake pad wear, including a lever-actuated, reciprocating plunger having a tapered nose disposed within an tubular expander having a series of annular teeth thereabout, wherein the expander is freely disposed within a hydraulically operable piston slidably disposed within a cylinder. When the plunger nose is directed into engagement with the fingers, the fingers are radially expanded into meshing engagement with a second series of teeth disposed about the inside of the piston. Once engaged, further axial movement of the plunger carries the piston-operated brake pads into frictional engagement with the brake disc. When the lever is retracted, the process is reversed and the brake pads are frictionally disengaged.

REFERENCES:
patent: 2319231 (1943-05-01), Hawley
patent: 2972495 (1961-02-01), Yalen
patent: 3335819 (1967-08-01), Swift
patent: 3337008 (1967-08-01), Traclite
patent: 3371750 (1968-03-01), Schutte et al.
patent: 3404756 (1968-10-01), Swift
patent: 3459282 (1969-08-01), Hoenick et al.
patent: 3741350 (1973-06-01), Knapp
patent: 3788430 (1974-01-01), Hunt

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