Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ching Chuan Kuo0
Po-Yang Chen0
Rong-Faa Wu0
Wei-Liang Chiang0
Ju-Lin Yang0
Kun-Chen Lee0
Date of Patent
January 25, 2011
0Patent Application Number
119729610
Date Filed
January 11, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A cylinder lock includes a lock housing receiving a plug assembly that has a key hole, tumbler pieces having respective toothed parts, and a re-keying unit. The re-keying unit has rotatable gear wheels engaged releasably with the respective toothed parts to reposition the respective tumbler pieces. The gear wheels disengage from the respective tooth parts by moving transversely of a longitudinal axis of the lock housing. Re-keying methods are also disclosed.
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