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PADLOCK

  • US 20120073337A1
  • Filed: 12/02/2011
  • Published: 03/29/2012
  • Est. Priority Date: 01/29/2003
  • Status: Active Grant
First Claim
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1. A padlock comprising:

  • a housing;

    a shackle having a long arm partly disposed in the housing, and a short arm extending from the long arm and located outside the housing;

    wherein the short arm is rotatable to or off a confining position about the long arm; and

    a block disposed on the housing and being movable with respect to the housing to either one of a first position and a second position;

    wherein when the block is located in the first position and the short arm of the shackle is located in the confining position, a distal end of the short arm of the shackle is enclosed by a wall of the block and a wall of the housing and thereby the short arm is not allowed to rotate off the confining position about the long arm; and

    when the block is located in the second position and the short arm of the shackle is located in the confining position, the distal end of the short arm of the shackle is no longer enclosed by the wall of the block and the wall of the housing and the short arm is free to rotate off the confining position about the long arm.

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