- 专利标题： SPRING USEFUL FOR ELEVATOR SAFETY DEVICE
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申请号： US15843781申请日： 2017-12-15
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公开(公告)号： US20190186573A1公开(公告)日： 2019-06-20
- 发明人: Enrico MANES , Robert A. BARTH , Xiaodong LUO , Shihemn CHEN , Daryl J. MARVIN , Michael A. KLECKA , Luke A. MISHLER
- 申请人： OTIS ELEVATOR COMPANY
- 主分类号： F16F1/18
- IPC分类号： F16F1/18 ; B33Y80/00
摘要：
An illustrative example spring includes a curved shape body having a length. The body includes a cavity that extends along at least a majority of the length. The body has a cross-section across the length that is different at a plurality of locations on the body along the length.
公开/授权文献
- US10927915B2 Spring useful for elevator safety device 公开/授权日：2021-02-23
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