Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/038665
Kind Code:
A1
Abstract:
Disclosed is an elevator device in which the reliability of an operation by an electric manipulator is improved without a complicated operation mechanism for operating an emergency stop device. This elevator device comprises an electric manipulator that is provided in an elevator car and that operates an emergency stop device, wherein: the electric manipulator comprises an electromagnet (35), a manipulation lever (11) that manipulates the emergency stop device (2) in conjunction with an operation of the electromagnet, an armature (34) that is connected to the manipulator lever, a feed screw (36) that screws into a screw hole part provided to the electromagnet, and a motor (37) that drives the feed screw; the armature is attracted by the electromagnet in a standby state; the armature becomes attached to the excited electromagnet after the emergency stop device is operated; the electromagnet having the armature attached thereto is moved to a standby state position by the feed screw which is driven by the motor; and the distance between a first roller (39) and the feed screw is kept constant when the armature is moved together with the electromagnet.
Inventors:
NUMATA SATOSHI (JP)
Application Number:
PCT/JP2020/031079
Publication Date:
February 24, 2022
Filing Date:
August 18, 2020
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B5/22
Domestic Patent References:
| WO2019176160A1 | 2019-09-19 | |||
| WO2005115904A1 | 2005-12-08 |
Foreign References:
| JP2020083579A | 2020-06-04 | |||
| JP2016204061A | 2016-12-08 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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