Brake cylinder and motor vehicle brake comprising such a...

Details Brake cylinder and motor vehicle brake comprising such a... Brake cylinder and motor vehicle brake comprising such a...

2006-01-24

2006-01-24

Siconolfi, Robert A. (Department: 3683)

Brakes

Wheel

Axially movable brake element or housing therefor

C188S072900, C188S1960BA

Reexamination Certificate

active

06988596

ABSTRACT:
A mechanically and hydraulically actuated brake cylinder for a motor vehicle having a body with a chamber for receiving an axially movable piston (4) that is connected to a pivoting shaft (11) that has a part that is located outside of the body. Pressurized fluid is presented to the chamber to hydraulically actuate a brake application while a rotational torque is applied to the shaft (11) to mechanical actuate a brake application through a ball-ramp mechanism that converts the rotational torque into translational movement for the piston. The ball-ramp mechanism is defined by a rotary plate (28) fixed to the shaft (11) with a first ramp ribs (31), second ramp ribs (32) on the piston (4) and balls (33) housed in the ramp ribs.

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