| 摘要 |
Actuator (40) is movable in a predetermined direction from a rest position to an unlocking position to unlock the lock and is further movable in the predetermined direction beyond the unlocking position to a combination-changing position to permit the combination to be changed. Movement of the actuator to the unlocking position can only occur when combination dials and sleeves(48) coupled thereto are on-combination. In the combination-changing position of the actuator the sleeves are uncoupled from the dials. A stop mechanism is normally effective to prevent movement of the actuator to the combination-changing position and is rendered ineffective by depressing a plunger(104).
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