Piston stop pin for a hydraulic brake

Details Piston stop pin for a hydraulic brake Piston stop pin for a hydraulic brake

1994-01-10

1995-06-27

Oberleitner, Robert J.

Brakes

Wheel

Axially movable brake element or housing therefor

188196P, F16D 6538

Patent

active

054272114

ABSTRACT:
The invention is directed to a stop pin for a hydraulically actuated brake. The stop pin is provided with a rotation prevention portion for preventing relative rotation between the hydraulic brake piston and the brake housing. The stop pin is provided with a threaded mounting portion for mounting the stop pin to the annular hydraulic brake piston. A hex portion is located adjacent to the threaded mounting portion to facilitate assembly of the stop pin in the hydraulic braking piston. On the other side of the hex nut portion, opposite the threaded mounting portion, the stop pin is provided with a rotation prevention portion which cooperates with the sidewalls of a stop pin bore in the brake housing to prevent relative rotation between the annular piston and the housing. A screw is screwed into the rotation prevention portion and defines a shaft and cap on which is mounted a split sleeve. The split sleeve engages the sidewalls of the stop pin bore and defines the brake release distance.

REFERENCES:
patent: 2619198 (1952-11-01), Freund
patent: 3085663 (1963-04-01), Jakeways
patent: 3095064 (1963-06-01), Tankersley et al.
patent: 4993532 (1991-02-01), Weiss et al.
patent: 5161649 (1992-11-01), Carraro

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