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Brake monitoring system

  • US 6,411,206 B1
  • Filed: 02/29/2000
  • Issued: 06/25/2002
  • Est. Priority Date: 10/11/1996
  • Status: Expired due to Term
First Claim
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1. A vehicle brake monitor, comprising:

  • a brake actuator including a push rod which moves during actuation of said brake actuator having a sleeve;

    one of said brake actuator and said sleeve having a keyway and the other of said brake actuator and said sleeve having a key slideably received in said keyway fixing an orientation of said sleeve relative to said brake actuator as said push rod moves during actuation of said brake actuator; and

    a sensor mounted on one of said sleeve and said brake actuator detecting movement of said sleeve and said push rod relative to said brake actuator.

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