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Electronically controlled security lock

  • US 5,862,693 A
  • Filed: 05/02/1997
  • Issued: 01/26/1999
  • Est. Priority Date: 05/02/1997
  • Status: Expired due to Fees
First Claim
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1. An electronically controlled security lock comprising:

  • a housing having an interior region, exterior surfaces, and an aperture therein, the aperture including a pair of opposed channels, each channel having a stop;

    a dead bolt slidably disposed within the aperture of the housing;

    a reversible electric actuator arranged within the interior region of the housing, the actuator including a movable plunger element; and

    a linkage connecting the plunger element and the dead bolt, the linkage including a pin which is received by openings formed in the dead bolt and by the channels of the aperture, the plunger element moving the linkage and the dead bolt when an electric current is passed through the actuator, the dead bolt moving between a retracted position wherein the dead bolt is substantially withdrawn within the housing and an extended position wherein the dead bolt protrudes at least partially outwardly away from the housing, the pin of the linkage engaging the stops of the channels when the dead bolt is in the extended position to latch the dead bolt in the extended position.

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