| 摘要 |
A lock plug shell providing an unlatching button for push button equipped door latches. The shell is of hard flexible resilient material and includes a cam engagable with and displaced by the retaining lug of a cylinder lock plug during movement of the lock plug toward its normal operating position in the shell, the shell having sufficient resilience to dispose a portion of the cam in a position to prevent accidental removal of the lock plug from the shell when the lock plug is moved to its operating position in the shell.
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