| 摘要 |
A removable core cam lock of the type having a key operated core within a shell, is provided with a spring clip controlled by a core removal key which is longer than an operating key. The spring clip fits in a groove in the core and extends through a slot in the shell so that when the core removal key is put into the lock it operates the lock and on rotation of the lock it lifts the spring clip to allow core removal.
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