Parking brake mechanism in drum brake
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United States of America Patent
Stats
-
Sep 11, 2001
Grant Date -
Sep 13, 2001
app pub date -
Mar 8, 2001
filing date -
Mar 13, 2000
priority date (Note) -
Granted
status (Latency Note)
Importance
Abstract
A parking brake mechanism in the duo-servo type drum brake includes a link type shoe drive mechanism for expanding a pair of brake shoes and an operating force generator for inputting a shoe operating force into an input lever of the shoe drive mechanism according to the brake operation. The parking brake mechanism also includes a parking brake lever pivotally supported by one brake shoe, wherein a shoe operating force is inputted into the input lever by swing of the parking brake lever, and the brake shoes are expanded via the shoe drive mechanism.
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