Title:
EMERGENCY STOP DEVICE AND ELEVATOR
Document Type and Number:
WIPO Patent Application WO/2021/166318
Kind Code:
A1
Abstract:
An emergency stop device comprises a braking mechanism, a driving mechanism, and an operating mechanism. The operating mechanism is provided with a connection member that is connected to the driving mechanism and is capable of moving together with the driving mechanism, a movable iron core secured to the connection member, an electromagnetic core that separably attracts the movable iron core, and a movement mechanism that supports the electromagnetic core so as to enable movement toward and away from the movable iron core. The electromagnetic core is provided with a threading section for threading with the movement mechanism.
Inventors:
HAYAKAWA TOMOHISA (JP)
KUBO YOSUKE (JP)
ZAMA HIDETAKA (JP)
KUBO YOSUKE (JP)
ZAMA HIDETAKA (JP)
Application Number:
PCT/JP2020/038433
Publication Date:
August 26, 2021
Filing Date:
October 12, 2020
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B5/22
Domestic Patent References:
| WO2019220505A1 | 2019-11-21 | |||
| WO2019176160A1 | 2019-09-19 |
Foreign References:
| JP2019006573A | 2019-01-17 | |||
| JP2019089643A | 2019-06-13 |
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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