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Title:
ELEVATOR SHEAVE AND ELEVATOR ROPE WINDING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/168314
Kind Code:
A1
Abstract:
Provided are an elevator sheave and an elevator rope winding method that can prevent uneven wear in the sheave. A drive sheave (9) that is an elevator (1) sheave has a plurality of main ropes (5) wound around the exterior. A number, equal to the number of the plurality of main ropes (5), of first sheave grooves (10a) of a first depth is provided on the outer circumference of the drive sheave (9). A second sheave groove (10b) of a second depth greater than the first depth is provided on the outer circumference of the drive sheave (9).

Inventors:
AKASHI MASAO (JP)
Application Number:
PCT/JP2021/004598
Publication Date:
August 11, 2022
Filing Date:
February 08, 2021
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC BUILDING TECHNO SERVICE CO LTD (JP)
International Classes:
B66B11/08
Foreign References:
US20180093866A12018-04-05
CN203959610U2014-11-26
JP2006206202A2006-08-10
JPH06329373A1994-11-29
JPH0213588A1990-01-17
JP2012000679A2012-01-05
JP2016151487A2016-08-22
Attorney, Agent or Firm:
TAKADA, TAKAHASHI & PARTNERS (JP)
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