Electronic stroke sensor for air disc brake
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United States of America Patent
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-
Sep 13, 2016
Grant Date -
Feb 13, 2014
app pub date -
Oct 15, 2013
filing date -
Jun 18, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A vehicle brake monitor assembly for an air disk brake includes a brake actuator having a pushrod projecting from inside a chamber of said brake actuator. The pushrod releasably actuates a lever arm of a caliper thereby moving the disk brake into a braking position when the pushrod is in an extended position and releasing the disk brake from the braking position when the pushrod is in a retracted position. The pushrod includes a pushrod shaft and a contact member biased in a telescoping relationship relative to the pushrod shaft and the lever arm of the caliper abuts the contact member counteracting the bias of the contact member. A sensor is integrated with the assembly proximate the contact member and detects movement of the pushrod relative to the lever arm and to the pushrod shaft.
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