Patent ID: 7171832
Filing Date: 2007-02-06
Classification: E05B,Y10S,Y10T

Abstract:
1. A door lock device comprising: a lock mechanism configured to allow opening of a door operated by a handle in an unlocked state and to not allow the opening in a locked state; an input shaft configured to switch the lock mechanism between the unlocked state and the locked state when a rotational drive force is applied to the input shaft, the input shaft with which an output shaft is to be engaged so that the rotational drive force is transmitted to the input shaft, the output shaft to be rotated by an operation with a key from outside the door; and a positioning mechanism, comprising a resilient engagement structure oriented to be moveable by said output shaft and engagable with said input shaft and configured to hold the input shaft at a predetermined rotational position until the output shaft has been engaged with the input shaft and to allow rotation of the input shaft when the output shaft and the input shaft have been engaged with each other.