-
公开(公告)号:US10336581B2
公开(公告)日:2019-07-02
申请号:US13980621
申请日:2011-01-21
申请人: David R. Polak , Christopher T. Chipman , Charles C Coffin , Arthur Blanc , John P. Wesson , Yan Chen , Daniel G. Opoku , Sergei F. Burlatsky
发明人: David R. Polak , Christopher T. Chipman , Charles C Coffin , Arthur Blanc , John P. Wesson , Yan Chen , Daniel G. Opoku , Sergei F. Burlatsky
摘要: The present invention is directed to an elevator system. The elevator system comprises a car, a counterweight, at least one belt connecting the car and counterweight, and at least one sheave having a surface that engages with the belt. At least part of the surface of the sheave that interfaces with the belt has a plurality of features for reducing unwanted noise created due to the interaction between the belt and the sheave surface.
-
公开(公告)号:US20100236871A1
公开(公告)日:2010-09-23
申请号:US12681345
申请日:2007-11-01
摘要: An elevator door hanger apparatus includes a door hanger configured to be attached to a top portion of a door panel and to at least one movable member and an isolator plate attached to the door hanger and including a lip extending from a bottom of the isolator plate away from the door hanger.
摘要翻译: 一种电梯门吊架装置,包括门挂架,其构造成附接到门板的顶部,以及至少一个可移动构件和安装在门吊架上的隔离板,并且包括从隔离板的底部延伸的唇缘 从门吊架。
-