Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takashi Ishitsuka0
Kazuo Yuhi0
Date of Patent
August 5, 2008
0Patent Application Number
111655330
Date Filed
June 24, 2005
0Patent Primary Examiner
Patent abstract
A cylinder lock capable of normal unlocking operation by an authorized key to a locking mechanism which has been illegally operated by an unauthorized key or the like, the cylinder lock comprising an engaging portion that engages a rotor in the rotational direction only when the cylinder moves toward the unlocking member is disposed to a cylinder to engage the rotor and the cylinder thereby rotating the rotor upon subsequent insertion of an authorized key to connect the rotor and the connection member thereby enabling normal unlocking operation.
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