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Dual locking device

  • US 7,415,853 B2
  • Filed: 04/11/2006
  • Issued: 08/26/2008
  • Est. Priority Date: 04/11/2005
  • Status: Expired due to Fees
First Claim
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1. A dual locking device comprising:

  • a housing having at least one opening communicating with the interior of the housing;

    a switching mechanism having a button and a securing member, the button partly exposed outside of the housing and configured to drive the securing member to move relative to the housing between a locked position where the securing member is exposed in the opening of the housing and an unlocked position where the securing member is displaced from the opening of the housing;

    a restriction member being capable of moving through a first route between a retaining position and a first releasing position and through a second route between the retaining position and a second releasing position;

    wherein the restriction member limits movement of the switching mechanism while in the retaining position, and permits the switching mechanism to move to the unlocked position while in the first and the second releasing positions;

    a first locking device mounted on the restriction member and provided for controlling movement of the restriction member via the first route; and

    a second locking device provided for controlling movement of the restriction member via the second route;

    wherein the first locking device is a key lock having a rotor driven by a configured key, and the rotor is received and slidable within a cave of the restriction member for driving the restriction member to rotate.

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