Brakes – Wheel – Axially movable brake element or housing therefor
Reexamination Certificate
2011-08-02
2011-08-02
Williams, Thomas J (Department: 3657)
Brakes
Wheel
Axially movable brake element or housing therefor
C188S072200, C188S072700, C188S1960BA
Reexamination Certificate
active
07987950
ABSTRACT:
The present invention provides an electro wedge brake (EWB) system that implements a main braking function by using power generated by one motor. Further, the electro wedge brake system implements various additional functions such as a function for maintaining a set clearance of a pad, a Fail-Safe function, and an EPB function, by using that the forward movement of a push rod shaft screwed using a NSL (Non-Self Locking) type screw is restrained or released on the basis of ON/OFF control of the solenoid mechanism interlocked with the main braking function motor. Accordingly, since only one motor is used to generate power, it is possible to reduce the number of parts and to simplify the structure.
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U.S. Appl. No. 11/934,183 to Kim, filed Nov. 2, 2007.
Greenblum & Bernstein P.L.C.
Hyundai Mobis Co., Ltd.
Williams Thomas J
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