Patents Assigned to One Lus International Co., Ltd.
  • Patent number: 6519988
    Abstract: A structure of a lockset is disclosed. The lockset structure includes a key and a lock body, wherein the key and the lock hole of the latch are provided with at least one end corner having a skew face with a corresponding angle. Any key with un-matching angle is prevented from inserting into the lock hole so as to avoid other parties to open the lockset with un-matching keys.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: February 18, 2003
    Assignee: One Lus International Co., Ltd.
    Inventor: Ping-Hua Wu