| 摘要 |
To strengthen a locking state of a door lock and also to prevent a twist of a handle, a fixing state of an outer spindle(15) or an inner spindle(15') is released, this lock is able to rotate separately from the outer spindle(15), while the outer shaft(1A) which is connected to the outer handle(1), provided to be through the center part of the outer spindle, keeps the state isolated from the inner components which conduct switching function of the door lock, bonded with the inner shaft(31) when the key is not inserted in the door lock in such a method that the lock can be rotated only corresponding to the rotation of the left handle(1).
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