| 摘要 |
PURPOSE: A fireproof digital door lock apparatus is provided to improve fireproof performance by using a fireproof material. CONSTITUTION: A housing(20) includes an internal installation space of each element for opening and closing the door. A front cover(30) is combined in the housing and covers the front face of the housing. A rear cover(35) is combined in the housing and cover the back side of the housing. A handle(40) is combined in the housing and is rotatable while being exposed to the outside of the cover. A vibration preventing member(50) is combined with the rear cover and is contacted with the door to absorb vibration and noise.
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