In the present invention, an administrator can manually lock/unlock a locking device by using a separate key. A lift door locking device for a construction site comprises: a housing (110) coupled to a lift door frame side; a fixing plate (120) coupled to one side of the housing (110); a locking unit part (130) installed in the housing (110); and a manual locking unit part (140) installed on an upper side of the locking unit part (130).
본 발명은 별도의 키를 이용하여 관리자가 수동으로 잠금장치를 락킹/언락킹 할 수 있다.
Lift door lock
건설현장용 리프트 도어 잠금장치
2022-04-20
Patent
Electronic Resource
Korean
IPC: | B66B Aufzüge , ELEVATORS |
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