Brake apparatus with air actuated remote wear indicator

Details Brake apparatus with air actuated remote wear indicator Brake apparatus with air actuated remote wear indicator

1977-08-29

1980-05-06

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

116208, 188 1A, 200 614, B60Q 144

Patent

active

042019745

ABSTRACT:
A brake apparatus having a friction pad riveted to a brake shoe and an air conduit recessed within the pad and positioned within its working thickness. As the pad is gradually worn away, the conduit is interrupted by the formation of an opening therein before the rotor can be scored by the rivets. A remote indicator, which may be mounted on the instrument panel of a vehicle, is then responsive to a change in air pressure within the conduit to signal the need for pad replacement.

REFERENCES:
patent: 3088549 (1963-05-01), Borsa
patent: 3560919 (1971-02-01), Uribe
patent: 3593266 (1971-07-01), Van Sickle

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