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Patent Searching and Data


Title:
ELEVATOR
Document Type and Number:
WIPO Patent Application WO/2023/119547
Kind Code:
A1
Abstract:
This elevator comprises a cabin, a counterweight positioned at end one end in the width direction, and a weight-side governor that detects the lift speed of the counterweight. A corner portion of the counterweight facing a width-direction wall of the hoistway in the width direction has a balance cutout formed therein. In addition, the weight-side governor is positioned between the balance cutout of the counterweight and the width-direction wall of the hoistway.

Inventors:
MURATA YUSUKE (JP)
KANAYAMA YASUHIRO (JP)
Application Number:
PCT/JP2021/047835
Publication Date:
June 29, 2023
Filing Date:
December 23, 2021
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
B66B11/00; B66B7/00; B66B7/02
Domestic Patent References:
WO2019123583A12019-06-27
WO2003020628A12003-03-13
WO2015025396A12015-02-26
Foreign References:
JP2010070344A2010-04-02
CN112623912A2021-04-09
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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