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Patent Searching and Data


Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/172406
Kind Code:
A1
Abstract:
In an elevator device according to the present invention, an actuation mechanism for actuating an emergency stop device includes a stopper, an actuation weight, and an actuation spring. The stopper is provided on an elevating body. The actuation weight is disposed on the stopper. The actuation spring applies an upward force to the actuation weight. When a downward acceleration of the elevating body becomes excessive, the actuation mechanism separates the actuation weight from the stopper to actuate the emergency stop device by means of the movement of the actuation weight.

Inventors:
KOKAWA NOBUYUKI (JP)
WATANABE SEIJI (JP)
MIZUTANI AYAKA (JP)
Application Number:
PCT/JP2021/005298
Publication Date:
August 18, 2022
Filing Date:
February 12, 2021
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B5/04; B66B5/22
Domestic Patent References:
WO2014097373A12014-06-26
Foreign References:
JPS5131445A1976-03-17
CN105293245A2016-02-03
JP2004345803A2004-12-09
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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