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Padlock by combining key-operated lock and combination lock

  • US 6,539,761 B2
  • Filed: 06/28/2001
  • Issued: 04/01/2003
  • Est. Priority Date: 06/28/2001
  • Status: Active Grant
First Claim
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1. A padlock comprising:

  • a lock body;

    a shackle operatively locking in or unlocking from said lock body;

    a key-operated locking means formed in said lock body for unlocking said shackle from said lock body by a key for unlocking the padlock; and

    a combination locking means juxtapositionally formed in said lock body for unlocking said shackle from said lock body by dialing an unlocking combination of said combination locking means;

    said shackle, generally U shaped, including a short rod engaging with a first rod hole in said lock body;

    a long rod engaging with a second rod hole in said lock body;

    said long rod having a core rod protruding downwardly from said long rod and slidably engaging a sleeve rod which is slidably held in a sleeve rod hole formed in said lock body positioned under and communicated with said second rod hole.

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