| 摘要 |
PURPOSE: A door lock device is provided to easily execute a manufacturing process and an assembling process by simplifying the installation change structure of a latch bolt. CONSTITUTION: A dead bolt(20) is inserted into an entering or exiting hole. The bolt is combined with a housing to be moved in a protrusion or burial direction. The bolt is inserted into or separated from a dead bolt insertion hole. The bolt is used to execute a locking process or a releasing process. A latch bolt(30) is moved in a separation direction or an insertion direction while being inserted into the latch bolt hole. An elastic member(40) is installed inside the housing. The latch bolt is elastically biased from the housing in a projection direction.
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