Locking apparatus for parking brake
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United States of America Patent
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Jul 1, 2014
Grant Date -
Jan 24, 2013
app pub date -
Dec 9, 2011
filing date -
Jul 21, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A locking apparatus for a parking brake includes a parking lever, a parking lever spring applying a restoring force to the parking lever, a cylinder of which an oil hole is formed thereto, a piston comprising a piston rod connected to the parking lever and a piston main body disposed within the cylinder, and the piston movable along length direction of the cylinder according to supplying or releasing of oil through the oil hole, a solenoid valve and a locking unit disposed within the cylinder for unlocking the piston when the solenoid valve is supplied electric power and for locking the piston when the solenoid valve is not supplied electric power.
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