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Padlock

  • US 7,340,927 B2
  • Filed: 08/15/2007
  • Issued: 03/11/2008
  • Est. Priority Date: 09/29/2003
  • Status: Expired due to Fees
First Claim
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1. A padlock comprising:

  • a lock body comprising;

    a first channel therein;

    a second channel therein;

    a space in a corner thereof; and

    a wall facing said space;

    a block comprising;

    an engaging portion received in said space of said lock body and comprising a top defining a receptacle and a side defining a gap in communication with said receptacle;

    a mounting portion; and

    a neck formed between said engaging portion and said mounting portion and disposed in said second channel, wherein a diameter of said neck is smaller than that of said engaging portion;

    a shackle comprising a long arm movably inserted in said first channel and a short arm for engagement with said block through either one of said receptacle and said gap;

    combination locking means disposed in said lock body and connected to said long arm of said shackle for locking and unlocking said shackle; and

    key-operable locking means disposed in said lock body for controlling said block so that said block can be engaged with or disengaged from said short arm of said shackle, wherein said key-operable locking means comprises;

    a body;

    a rotor disposed in said body;

    a driving rod extended from said rotor and connected to said mounting portion of said block; and

    a keyhole defined in said rotor for receiving a key.

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