Pad-wear compensating device for disc brake

Details Pad-wear compensating device for disc brake Pad-wear compensating device for disc brake

1976-12-08

1977-12-06

Reger, Duane A.

Brakes

Wheel

Axially movable brake element or housing therefor

188196BA, F16D 6556

Patent

active

040612082

ABSTRACT:
A disc brake assembly includes a yoke or caliper 9 mounting fixed and movable pads 12, 5 on opposite sides of a wheel disc 1. A push rod 2 is threaded through a cam nut 3, and is axially screwed into engagement with the movable pad 5 by the rotation of the cam nut. The latter is turned by and within a lever ring 21 via spring biased jamming balls or rollers 22 disposed in wedge-shaped recesses between the cam nut and the lever ring. The push rod is advanced toward the movable pad 5 to compensate for the wear thereof by the gradual rotation of the cam nut via a one-way clutch within which the cam nut may undergo limited rotation during brake operation. The one-way action of the clutch may be implemented by a jam ball arrangement, or by a ratchet wheel and pawl arrangement.

REFERENCES:
patent: 3211263 (1965-10-01), Harrison

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