Friction pad for disk brake with wear sensor

Details Friction pad for disk brake with wear sensor Friction pad for disk brake with wear sensor

1994-11-29

1996-05-28

Graham, Matthew C.

Brakes

With condition indicator

Electrical

188250G, 295241, F16D 6602

Patent

active

055202659

ABSTRACT:
A friction pad for a disk brake is designed so that a wear sensor can be firmly secured to the friction pad. A circular cylindrical projection is formed on a backing plate of the friction pad by extrusion so that a wear sensor adapted to sound an alarm by coming in contact with a disk is fitted onto the projection and secured to the backing plate by caulking the projection. The projection is so deformed that the diameter d.sub.1 and height h.sub.1 of a resulting radially enlarged portion satisfy the relationship of (d.sub.1 -3.4).times.h.sub.1 .gtoreq.2.5, thereby preventing rotation of the wear sensor and rising of the enlarged portion.

REFERENCES:
patent: 846755 (1907-03-01), Newbaker
patent: 2067677 (1937-01-01), Murphy
patent: 5033590 (1991-07-01), Kobayashi et al.

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