Brake lining wear warning system

Details Brake lining wear warning system Brake lining wear warning system

1974-07-25

1977-01-18

Caldwell, John W.

Communications: electrical

Selective

Having indication or alarm

188 1A, 200 614, B60T 1722

Patent

active

040042693

ABSTRACT:
A brake lining wear warning system comprising a probe which becomes nonconductive when the wear of a brake lining reaches a critical value, a holding circuit adapted to be placed in a set condition in response to the nonconduction of the probe and remain in the set condition even after the termination of the nonconduction of the probe, and a warning device for giving a warning when the holding circuit is in the set condition.

REFERENCES:
patent: 3556258 (1971-01-01), Winge et al.
patent: 3593264 (1971-07-01), Atkins
patent: 3660815 (1972-05-01), Rees
patent: 3675197 (1972-07-01), Bennett et al.
patent: 3735343 (1973-05-01), Lane et al.
patent: 3740566 (1973-06-01), Newstead
patent: 3759582 (1973-09-01), Ohta et al.
patent: 3810086 (1974-05-01), Bensel et al.
Richard B. Hurley, Transistor Logic Circuits, John Wiley & Sons, Inc., 1961, pp. 294-295.

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