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公开(公告)号：US20190337770A1
公开(公告)日：2019-11-07
申请号：US15971211
申请日：2018-05-04
Applicant: OTIS ELEVATOR COMPANY
Inventor： Xiaoyuan Chang , David R. Torlai
IPC: B66B15/04 , C09D191/06 , C25D3/04
Abstract: An elevator sheave includes a sheave body and a coating on a surface of the sheave body. The coating includes microcracks and a filler in the microcracks. A method of making a sheave for an elevator system is also disclosed.
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