Brakes – Wheel – Axially movable brake element or housing therefor
Patent
1987-12-16
1989-05-16
Oberleitner, Robert J.
Brakes
Wheel
Axially movable brake element or housing therefor
188 728, 188 7332, 188196V, 192111A, F16D 55224, F16D 6556, F16D 1360
Patent
active
048301493
ABSTRACT:
An actuator for brakes with automatic adjustment suitable in particular for heavy duty vehicles comprises a housing (32) whose axis (A) is surrounded by a cam surface (36). A rotary member (40) is rotatable about the housing axis (A) and comprises a second cam surface (42) with which it bears on the first cam surface (36) to produce an axial displacement dependent on its rotation. A first screw member (50) is likewise rotatable about the housing axis and a second screw member (60) is formed to exert an actuating force on a brake pad. The second screw member is connected to the first screw member by a pair of threaded adjustment members (62). A reset shaft (92) is mounted in the housing (32) and permits a screwing back of the two screw members (50, 60) with respect to each other to replace the brake pad. The reset shaft (92) is disposed with lateral spacing from the housing axis (A) and is connected to one of the screw members (50) via a gearing ( 88, 90).
REFERENCES:
patent: 3998295 (1976-12-01), Martin
patent: 4429768 (1984-02-01), Margetts et al.
Lucas Industries Public Limited Company
Oberleitner Robert J.
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