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Pre-start rotor positioner for an electric vehicle

  • US 4,532,460 A
  • Filed: 07/12/1982
  • Issued: 07/30/1985
  • Est. Priority Date: 07/12/1982
  • Status: Expired due to Fees
First Claim
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1. An improved drivetrain of the type adapted for use with an electric vehicle having at least one tractive wheel and a motor including a stator and rotor for imparting torque to said wheel upon the energization thereof, said improvement comprising:

  • means operable for rotation with said rotor and defining an engagement surface; and

    actuator means comprising,(i) pawl means displaceable between a retracted position spaced from said engagement surface and an extended position wherein said pawl means contacts said engagement surface to substantially prohibit rotation of said rotor,(ii) means biasing said pawl means toward said extended position,(iii) means operable to urge said pawl means into said retracted position independently of rotor position in response to an actuation signal, and(iv) latch means including a member displaceable between a release position and a lock position to lock said pawl means in said extended position in the absence of said actuation signal.

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