| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an unlocking device for an elevator landing door, capable of certainly preventing destruction of a locking device, when unlocking the locking device of the landing door.SOLUTION: An unlocking device for an elevator landing door used for unlocking a locking device 4 including a turnable hook 2 provided in a landing stage of an elevator, and an engagement part 3 which locks the landing door 1 by engaging to the hook 2, includes: a key rod 10 to be inserted into a hole part 5 formed in the landing stage for pushing up the hook 2 to turn it; and pushing up-releasing means which releases pushing up operation to the hook 2 by the key rod 10 when a pushing up force to the hook 2 by the key rod 10 has exceeded a prescribed value slightly smaller than a value likely to destroy the locking device 4, for example.</p> |
