| 摘要 |
A plunger lock with a readily removable core is disclosed. The lock has a cylindrical housing and a core. The core is provided with a detent which is retractable when the proper key is inserted in the keyway of the core to permit rotation of the core within the housing. The rotation and longitudinal movement of the core within the housing is defined by the cooperation of a stop in a locking/unlocking groove formed on the core to permit the core to move longitudinally between locked and unlocked positions. The keyway opens to the surface of the core adjacent the locking/unlocking groove. A core insertion/removal groove is formed on the core adjacent the keyway on the opposite side from the locking/unlocking groove. A normal operating key which is inserted in the keyway permits retraction of the detent so that the core may be moved between the locked and unlocked positions, but prevents passage of the stop between the locking/unlocking groove and the core insertion/removal groove. When a removal key having a slot permitting passage of the stop between the locking/unlocking groove and the insertion/removal groove is employed, the core may be readily removed from the housing.
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