Disc brake actuator

Details Disc brake actuator Disc brake actuator

1980-12-01

1983-09-27

Halvosa, George E. A.

Brakes

Wheel

Axially movable brake element or housing therefor

74 8915, 192 94, F16D 55224

Patent

active

044063520

ABSTRACT:
A fluid motor moves a lever to turn a power screw mounted for rotation by a pair of axially spaced bushings. External threads on the power screw engage internal threads on an actuator and slide or translate the actuator and a piston in a brake-applying direction. A spring moves the piston in the opposite direction to a rest position. A cap fits over a medial flange of the power screw and has a spline connection with the actuator to prevent rotation of the actuator. Four bolts connect the fluid motor mounting bracket and the cap to a caliper which slides on parallel pins fixed to a torque plate secured to a vehicle axle.

REFERENCES:
patent: 2818744 (1958-01-01), Moody
patent: 3024873 (1962-03-01), Wilkinson
patent: 3321049 (1967-05-01), Swift
patent: 3770082 (1973-11-01), Brooks et al.
patent: 3856042 (1974-12-01), Fletcher et al.
patent: 3893545 (1975-07-01), Burnett
patent: 3976168 (1976-08-01), Yamamoto
patent: 4022300 (1977-05-01), Afanador et al.
patent: 4036330 (1977-07-01), Henning et al.
patent: 4180146 (1979-12-01), Airheart

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