APPARATUS FOR AUTOMATICALLY ADJUSTING TENSION OF CABLE IN PARKING BRAKE AND PARKING BRAKE APPARATUS USING THE APPARATUS
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United States of America Patent
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Issued Date -
Dec 24, 2009
app pub date -
Jun 15, 2009
filing date -
Jun 18, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided are an apparatus for adjusting the tension of a cable used in a parking brake and a parking brake apparatus using the apparatus. The apparatus for automatically adjusting the tension of a cable in a parking brake includes: a rod which includes saw teeth in a portion of an outer circumferential surface thereof and has an end connected to the cable; an elastic member which, when the cable is loosened, moves the rod with an expansive force thereof to stretch the cable; and a pawl which engages with the saw teeth of the rod to hinder the rod from moving in a direction that contracts the stretched cable; wherein the elastic member provides the expansive force to the rod, and the rod is moved by the expansive force to stretch the cable, thereby maintaining the tension of the cable.
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