Brakes – With condition indicator – Electrical
Patent
1977-11-10
1979-03-13
Halvosa, George E. A.
Brakes
With condition indicator
Electrical
116208, 188 731, 188 85, 188218XL, F16D 6602
Patent
active
041437446
ABSTRACT:
An annular portion is provided in a friction surface of a disc brake adjacent to the circumference of the friction surface of the disc brake at least on one side thereof. This annular portion of the friction surface of the disc brake is slowly inclined along its circumference. A friction pad adapted to be forced against the friction surface of the brake disc includes a pressure bearing portion which is adapted to be forced against the aforesaid inclined surface of the annular portion, when the friction pad is worn down beyond a wear limit. When this pressure bearing portion is pressed against the annular portion, the inclined surface of a brake disc slides on the pressure bearing portion, so that the pressure bearing portion may cyclically receive reactions from the inclined surface of the annular portion at no sacrifice of a damage thereon, because of the smooth inclined surface of the annular portion of a disc brake. The reactions are transmitted via hydraulic lines adapted to operate the pad units, to a brake pedal in the form of pulsation.
REFERENCES:
patent: 3918553 (1975-11-01), Hattwig et al.
patent: 3989125 (1976-11-01), Holst
Halvosa George E. A.
Toyota Jidosha Kogyo Kabushiki Kaisha
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