Mechanically actuated disc brake

Details Mechanically actuated disc brake Mechanically actuated disc brake

1976-11-15

1978-08-29

Kazenske, Edward R.

Brakes

Wheel

Axially movable brake element or housing therefor

188 729, F16D 5508

Patent

active

041097653

ABSTRACT:
A mechanical actuator for a disc brake is disclosed which provides an improved actuating mechanism which is less expensive and more reliable than prior art mechanical disc brake actuators. The actuator includes a lever which is provided with arcuate camming surfaces on opposite sides thereof. One of the camming surfaces is adapted to rollingly engage a substantially flat insert carried by the caliper housing. The camming surface on the opposite edge of the lever is substantially circular and is defined within a recess on the edge of the lever. Opposite ends of the camming surface terminate in depressions which are adapted to receive a spherical force transmitting element. A force transmitting member slidably mounted within the caliper housing interconnects the force transmitting element with the friction pad of the disc brake. The force transmitting element is disposed in one of the depressions when the brake is released. When a brake application is effected, the lever is rocked about the camming surface engaging the substantially flat insert, and consequently drives the spherical force transmitting element out of its depression, across the camming surface, and towards the other depression. As the spherical force transmitting element is rocked across the camming surface, the force transmitting member is urged toward the brake rotor, consequently forcing the corresponding friction elements into frictional engagement with the rotor to effect a brake application.

REFERENCES:
patent: 2462284 (1949-02-01), Rauch
patent: 3406793 (1968-10-01), Buyze
patent: 3410372 (1968-11-01), Hodkinson et al.
patent: 3954158 (1976-05-01), Rist

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