Hydraulic disc brake

Details Hydraulic disc brake Hydraulic disc brake

1975-04-23

1976-04-20

Reger, Duane A.

Brakes

Wheel

Axially movable brake element or housing therefor

188369, F16D 5510

Patent

active

039512410

ABSTRACT:
A hydraulic disc brake for a vehicle comprising a rotatable disc adapted to be coupled to a wheel for rotation therewith and a frame having a pair of cylinders in which are located pistons for moving brake shoes toward the disc for engagement therewith when fluid is admitted to the cylinders. A flexible cup is slidably located in each cylinder between its piston and its rear end for forming a movable seal between the cup and the wall of the cylinder. The cup comprises a forward wall having an annular side wall extending rearward therefrom; a central hub spaced inward from the annular side wall; and a plurality of angularly spaced webs extending radially between the central hub and the annular side wall.

REFERENCES:
patent: 2799367 (1957-07-01), Dotto
patent: 3469658 (1969-09-01), Forsythe
patent: 3675743 (1972-07-01), Thompson

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