Hydraulically actuated sliding-caliper disc brake

Details Hydraulically actuated sliding-caliper disc brake Hydraulically actuated sliding-caliper disc brake

1987-12-03

1989-01-17

Halvosa, George E. A.

Brakes

Elements

Cooling and lubricating

92212, 92220, 92258, 192113A, F16D 65847

Patent

active

047982705

ABSTRACT:
An actuator for a hydraulically actuated caliper disc brake having a brake shoe comprises an actuating piston of two-part construction mounted for displacement in a cylinder and acted upon by a pressure fluid. The actuator has a cup-shaped member of cast steel, the bottom of which is acted upon by the pressure-fluid, and a cylindrical core of a mechanically resistant and heat insulating material removably coaxially and having an end face pressed against the brake shoe when actuated. A plurality of thin discs of mechanically resistant material are secured to the end face of the core adjacent to the brake shoe for reducing heat transfer from the brake shoe to the piston.

REFERENCES:
patent: 2498590 (1950-02-01), Streus
patent: 3502004 (1970-03-01), Schrader
patent: 3531144 (1970-09-01), Bizilia
patent: 4147241 (1979-04-01), Preniczny et al.
patent: 4572334 (1986-02-01), Villata
patent: 4666330 (1987-05-01), O'Connell

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