| 摘要 |
A cylinder lock includes a sleeve having a plurality of locking holes, a key plug housed in the sleeve and having an output portion to output an interrupted motion of a clutch device by moving in an insertion and extraction direction by an insertion and extraction of a matching key, and a plurality of key matching members movably supported to the key plug, arranged to be insertable and removable in the plurality of locking holes respectively, and withdrawn from the plurality of locking holes respectively by an insertion of the matching key into the key plug. A portion of key matching members among the plurality of key matching members has a hook protruding toward a key insertion direction, and the sleeve has an engaging portion engaging with the hook by a movement in a key insertion direction of the key plug in locking holes among the plurality of licking holes which correspond to the portion of key matching members in the state that the plurality of key matching members are inserted into the plurality of locking holes.
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