| 摘要 |
A vehicle brake assembly provides an indicator system in which the operating shaft assembly rotates about a pivot axis to rotate a cam member attached thereto against a cam surface which extends from an indicator adjustment shaft. The cam member drives the cam surface and attached indicator adjustment shaft to overcome a biasing member, actuate an overstroke sensor, and simultaneously retract an indicator post to provide a visual indication. Another indicator system includes an overstroke sensor located within the brake housing in an angular position relative the pivot axis adjacent a path of the operating shaft assembly. Another indicator system includes a mechanical overstroke member that buckles in response to contact with the operating shaft to provide overstroke identification from outside the brake housing.
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