| 摘要 |
The present invention relates to a door lock mortise which is sequentially operated by operating a latch bolt to release a latch after a dead bolt of the door lock mortise is fully operated, thereby improving product stability and user convenience. To achieve the objective, the door lock mortise according to the present invention comprises: a dead bolt driving means to operate a dead bolt; a latch bolt driving means to release a locking state of a latch bolt with a time difference in a state that the dead bolt is unlocked by the dead bolt driving means; and a connection means which is located between the dead bolt driving means and the latch bolt driving means and selectively operates the dead bolt driving means and the latch bolt driving means to sequentially unlock the dead bolt and the latch bolt with a time difference. |
