Brake apparatus using light conductors to control remote wear in

Details Brake apparatus using light conductors to control remote wear in Brake apparatus using light conductors to control remote wear in

1977-08-29

1980-01-15

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

116208, 188 1A, 250227, B60Q 144, G08B 2100

Patent

active

041841450

ABSTRACT:
A brake apparatus having a friction pad riveted to a brake shoe and a light conductor extending through the pad within its working thickness. As the pad is worn away, the light conductor is severed by the abrasive action of a rotatable member causing a remote indicator, responsive to the interruption of light transmission through the conduit, to signal the need to replace the pad. The configuration of the light conduit insures that the signal will be given at the appropriate time despite misalignment between the pad and the rotatable member.

REFERENCES:
patent: 3088549 (1963-05-01), Borsa
patent: 3588811 (1971-06-01), Prickett
patent: 3593266 (1971-07-01), Van Sickle
patent: 3938124 (1976-02-01), Way et al.

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