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Electric/manual door lock operating mechanism

  • US 4,093,289 A
  • Filed: 04/05/1977
  • Issued: 06/06/1978
  • Est. Priority Date: 04/07/1976
  • Status: Expired due to Term
First Claim
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1. A vehicle door lock operating mechanism, comprising:

  • (a) a door lock mechanism,(b) actuating means connected to said lock mechanism and movable between a locked position and an unlocked position,(c) operating means connected to said actuating means for manually moving same between said locked and unlocked positions,(d) a reversible electric motor,(e) a pivotal member movable between a locking position, an unlocking position, and a neutral position,(f) reduction gear means engageable between said electric motor and said pivotal member for implementing the movement of the latter from its neutral position to either its locking position or its unlocking position by the selective energization of said electric motor,(g) means connecting said actuating means and said pivotal member and including means for permitting a limited degree of free movement of said actuating means independent from said pivotal member when the latter is in its neutral position, whereby the lock mechanism may be manually operated independendly of said motor and reduction gear means, and(h) spring means for biasing said pivotal member towards its neutral position.

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