Brake wear indicator

Details Brake wear indicator Brake wear indicator

1991-06-27

1993-04-27

Ng, Jin F.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340453, 188 111, B60Q 100

Patent

active

052066258

ABSTRACT:
An apparatus for monitoring brake condition for an air actuated diaphragm spring brake actuator provides a visual or audible signal when brake wear causes a brake push rod to move past a pre-determined distance with respect to the brake actuator housing. The indicator includes an engaging mechanism to retain the indicator in its operative position irrespective of subsequent movement of the push rod. A continuous record of brake failure or serious brake wear or misalignment is thereby provided.

REFERENCES:
patent: 4279214 (1981-07-01), Thorn
patent: 4800991 (1989-01-01), Miller
patent: 4855712 (1989-08-01), Wiley, Jr. et al.
patent: 4945818 (1990-08-01), Ware
patent: 4989537 (1991-02-01), Hutchinson, Sr. et al.
patent: 5044302 (1991-09-01), Goldfein et al.

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