公开(公告)号：US20170362059A1

公开(公告)日：2017-12-21

申请号：US15584450

申请日：2017-05-02

Applicant: OTIS ELEVATOR COMPANY

Inventor： Pedro S. Baranda ,  Ary O. Mello ,  Hugh J. O'Donnell

IPC: B66B7/06 ,  B66B9/00 ,  B66B11/08 ,  B66B15/04 ,  D07B1/06 ,  B66B11/00 ,  D07B1/22

CPC classification number: B66B7/062 ,  B66B7/06 ,  B66B9/00 ,  B66B11/004 ,  B66B11/08 ,  B66B15/04 ,  D07B1/0673 ,  D07B1/22 ,  D07B2201/2087 ,  D07B2205/2064 ,  D07B2401/205 ,  D07B2501/2007 ,  Y10S254/902 ,  D07B2801/22

Abstract: A tension member for an elevator system has an aspect ratio of greater than one, where aspect ratio is defined as the ratio of tension member width w to thickness t (w/t). The increase in aspect ratio results in a reduction in the maximum rope pressure and an increased flexibility as compared to conventional elevator ropes. As a result, smaller sheaves may be used with this type of tension member. In a particular embodiment, the tension member includes a plurality of individual load carrying cords encased within a common layer of coating. The coating layer separates the individual cords and defines an engagement surface for engaging a traction sheave.