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Patent Searching and Data


Title:
ELEVATOR DRIVE SHEAVE AND ELEVATOR
Document Type and Number:
WIPO Patent Application WO/2021/070220
Kind Code:
A1
Abstract:
This elevator drive sheave on which a suspension body is wound comprises a sheave body and a porous layer formed on the outer circumferential face of the sheave body. The porous layer has a contact face in contact with the suspension body. A plurality of holes connected to each other are formed inside the porous layer. At least some of the plurality of holes are opened to the contact face.

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Inventors:
NAGAHAMA HIDENORI (JP)
Application Number:
PCT/JP2019/039472
Publication Date:
April 15, 2021
Filing Date:
October 07, 2019
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B11/08
Foreign References:
US20160318737A12016-11-03
JPS62278353A1987-12-03
JPH09290983A1997-11-11
JP2010540374A2010-12-24
JP2014502948A2014-02-06
JP2011042424A2011-03-03
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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