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Electric starter incorporating a base plate supporting the carcase of its electric motor and the yoke of its contactor

  • US 4,649,285 A
  • Filed: 11/07/1984
  • Issued: 03/10/1987
  • Est. Priority Date: 11/30/1983
  • Status: Expired due to Term
First Claim
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1. An improved electric starter for an internal combustion engine wherein the starter includes an electric motor having a housing and having a motor shaft, and includes an actuator supported on a secondary shaft, and includes an electrical contactor coupled by a lever to the actuator and operative when energized to displace the actuator on the secondary shaft to engage the starter, the improvements comprising:

  • (a) a base plate supporting the motor housing and the contactor, the base plate having a central bore aligned with the motor shaft;

    (b) an epicycloidal reduction gear extending through said central bore and having a central pinion secured to the motor shaft, and having a satellite ring supported for rotation in bearing means and connected with said secondary shaft and the satellite ring supporting satellite gears meshing with said pinion, and having an internally-toothed fixed ring meshing with said satellite gears; and

    (c) a plastic disc fixed to said base plate and extending through its central bore and supporting said bearing means aligned with the motor shaft, and the plastic disc carrying said internally-toothed ring aligned with said motor shaft and said bearing means.

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