Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/026423
Kind Code:
A1
Abstract:
Disclosed is an elevator device provided with an electromotive safety brake device that offers a high degree of freedom of installation and is suitable for conserving space. This elevator device is provided with a car (1), a safety brake device (2) provided to the car (1), and an electric actuator (10) that is provided to the car and actuates the safety brake device. The electric actuator is provided with a mobile member, an electromagnet that attracts the mobile member in a standby state of the electric actuator, a rod that is connected to the mobile member, and a braking element activation member (100) that is connected to an end of the rod. When excitation of the electromagnet is stopped and the rod is driven, a braking element (200) of the safety brake device is pushed up by the braking element activation member.
Inventors:
NUMATA SATOSHI (JP)
Application Number:
PCT/JP2021/031300
Publication Date:
March 02, 2023
Filing Date:
August 26, 2021
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B5/06; B66B5/22
Domestic Patent References:
| WO2020110437A1 | 2020-06-04 | |||
| WO2005115904A1 | 2005-12-08 |
Foreign References:
| JP2014065589A | 2014-04-17 | |||
| US20200207576A1 | 2020-07-02 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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