Title:
EMERGENCY STOP DEVICE, AND ELEVATOR
Document Type and Number:
WIPO Patent Application WO/2019/176160
Kind Code:
A1
Abstract:
This emergency stop device is provided with a braking mechanism and an operation mechanism that causes a braking member of the braking mechanism to operate. The operation mechanism is provided with a fixed member, a movable member, an operation urging means, and a holding/return mechanism. The holding/return mechanism is provided with a holding member, a holding gear member, and a holding drive unit. The holding drive unit restricts movement of the holding member in a direction in which the holding member disengages from the holding gear member. Engagement of the holding member and the holding gear member restricts movement of the movable member against the urging force of the operation urging means.
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Inventors:
HAYAKAWA TOMOHISA (JP)
FUKUDA TOSHIYUKI (JP)
KUBO YOSUKE (JP)
FUKUDA TOSHIYUKI (JP)
KUBO YOSUKE (JP)
Application Number:
PCT/JP2018/040483
Publication Date:
September 19, 2019
Filing Date:
October 31, 2018
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B5/22; B66B5/18
Domestic Patent References:
| WO2017094102A1 | 2017-06-08 |
Foreign References:
| JP2002533281A | 2002-10-08 | |||
| JP2013189283A | 2013-09-26 |
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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