| 摘要 |
PROBLEM TO BE SOLVED: To provide a cylinder lock preventing damage to an unlocking key due to oblique insertion and improving operating reliability. SOLUTION: In the cylinder lock , a plug 4 provided with a tumbler 3 operated by an unlocking key 2 inserted from a key insertion part 1 is inserted in a cylinder case 5. A guide roller 6 regulating the insertion posture of the unlocking key 2 into the insertion part 1 is arranged to freely run idle. COPYRIGHT: (C)2004,JPO&NCIPI
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