| 摘要 |
A lock comprising a clutch mechanism, the clutch mechanism comprising a drive plate and a driven plate, the clutch mechanism being operatively associatable with an outside handle such that when the clutch is engaged, rotation of the outside handle causes rotation of the drive plate and the driven plate, and when the clutch is disengaged, rotation of the outside handle causes rotation only of the drive plate but not the driven plate, an actuator that is movable between a clutch engaging position and the clutch disengaging position, and a button that is on the "inside' of the lock, the button being manually operatable by a person on the inside of the door, the button being operatively associated with the actuator such that operation of the button operate the actuator and therefore engages or disengages the clutch mechanism.
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