Disc brake assembly

Details Disc brake assembly Disc brake assembly

1976-10-18

1978-07-25

Reger, Duane A.

Brakes

Vehicle

Hub or disk

188 715, 188 716, 188218XL, F16D 5540

Patent

active

041024389

ABSTRACT:
Disclosed is a disc brake assembly for vehicles such as trucks, tractor-trailers, and the like. A disc, coupled to a vehicle wheel (or wheel-pair), is rotatably mounted in a housing fixed with respect to the vehicle. The disc has two planar braking faces, is permitted a limited degree of axial translation, and associates with an axially movable annular brake shoe array on each face thereof. The braking operation of each shoe array is pneumatically controlled through the means of an annular expansible or flexible bladder, with the disc-shoe initial clearance being hydraulically set by means of the same bladder. The disc is equipped with a plurality of spaced substantially radial channels, shaped and positioned so as to draw ambient cooling air through the central region of the disc, and to enhance the dissipation of heat. The brake shoe arrays are simultaneously controlled from the same side of the fixed housing.

REFERENCES:
patent: 2655236 (1953-10-01), Bachman
patent: 2826274 (1958-03-01), Albright
patent: 2955678 (1960-10-01), Schjolin et al.
patent: 2992705 (1961-07-01), Chisnell et al.

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