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Remote controlled security switch

  • US 5,760,703 A
  • Filed: 10/12/1995
  • Issued: 06/02/1998
  • Est. Priority Date: 10/12/1995
  • Status: Expired due to Fees
First Claim
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1. A remotely controlled security device comprising:

  • a container with a movable door, said security device connected to said container and provided with a movable locking bar which is engageable with said door to selectively lock or unlock the doors;

    a radiant energy transmitter with lock and unlock switches;

    a radiant energy receiver connected to said security device to receive signals from said energy transmitter;

    a stepper motor mounted in said security device and connected to receive output signals from said receiver;

    an output shaft of said stepper motor connected to said locking bar to move the output shaft between the locked and unlocked position;

    a unique extension formed on said output shaft; and

    a key with a mating unique opening which can receive said unique extension to allow said output shaft to rotate between the locked and unlocked positions.

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  • 5 Assignments
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