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Built-in wheel speed sensor structure for a car

  • US 4,698,536 A
  • Filed: 04/16/1986
  • Issued: 10/06/1987
  • Est. Priority Date: 04/16/1985
  • Status: Expired due to Term
First Claim
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1. A built-in wheel speed sensor structure for a vehicle, comprising:

  • (a) an internal gear-like sensor rotor fixed to wheel means, said wheel means rotating integrally with a tire; and

    (b) an electromagnetic wheel speed sensor fitted to a fixed portion of a parking brake means, said wheel speed sensor being disposed in an anchor pin on a bearing case, said wheel speed sensor fixed in such a manner as to face said sensor rotor, and wherein said sensor rotor and said wheel speed sensor are disposed inside a brake drum of said parking brake means.

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