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Refrigerator door lock with alarm

  • US 4,024,494 A
  • Filed: 06/17/1976
  • Issued: 05/17/1977
  • Est. Priority Date: 06/17/1976
  • Status: Expired due to Term
First Claim
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1. A lock and alarm device for attachment to refrigerators, freezers, cabinets and the like installed in recreational-type vehicles for securing the doors of such refrigerators, freezers, cabinets and the like in which an alarm will occur when such doors are not secured and the vehicle engine is started, comprising:

  • friction lock means mountable adjacent to at least one door, said means having a manually operable handle, said handle adapted to contact the front surface of the door in a first position, such contact serving to hold the door securely closed, and to clear the door in a second position allowing the door to be opened;

    electrical contact means operatively connected to said handle and arranged to be in a closed position when said handle is in the second position, and to be in an open condition when said handle is in the first position; and

    electrical alarm signal means connected in series with said electrical contact means and connectable to the ignition switch of the vehicle, thereby forming a series circuit consisting of the vehicle battery, said electrical contact means, said signal means, and the ignition switch;

    whereby said alarm signal means is energized when said lock is in the second position at a time when the ignition switch is closed.

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