Brake wear indicator

Details Brake wear indicator Brake wear indicator

1979-07-17

1981-07-28

Reger, Duane A.

Brakes

With condition indicator

Electrical

340 52A, F16D 6602

Patent

active

042805945

ABSTRACT:
A disc brake wear indicator which in use is secured within a bore in the carrier member of a pinsliding caliper disc brake comprises electrical conductors which are normally electrically connected by a ring secured to a sleeve. A probe is secured to one of the caliper pins by a spring ring and is coupled to the sleeve by a lost-motion connection formed by flanges. The indicator is secured in the bore when the brake pads are new, and because the ring will grip the pin-bore at any point along its length the initial position of the flanges shown in the drawings is always obtained regardless of manufacturing tolerances in the brake components. After predetermined brake pad wear the pin will have moved along the bore sufficiently to bring the flanges into contact and move the ring away from the conductors to provide a brake pad wear signal.

REFERENCES:
patent: 3808593 (1974-04-01), Kopernik et al.

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