Invention Grant
- Patent Title: Elevator system sound reducing assembly and method
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Application No.: US15208209Application Date: 2016-07-12
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Publication No.: US09908746B2Publication Date: 2018-03-06
- Inventor: Zheng Yu , Senzo Alberto Naruke , Lili Ren , Takeshi Minowa
- Applicant: OTIS ELEVATOR COMPANY
- Applicant Address: US CT Farmington
- Assignee: OTIS ELEVATOR COMPANY
- Current Assignee: OTIS ELEVATOR COMPANY
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- Priority: CN201510408568 20150713
- Main IPC: B66B11/00
- IPC: B66B11/00 ; B66B7/00 ; B66B7/02 ; B66B9/00

Abstract:
An elevator system sound reducing assembly includes an elevator car moveably disposed in an elevator shaft. Also included is a counterweight moveably disposed in the elevator shaft, the counterweight operatively coupled to and guided along a counterweight frame. Further included is a barrier located at a height of the elevator shaft that corresponds to passage of the elevator car and the counterweight relative to each other, the barrier disposed between the counterweight and the elevator car upon passage of the elevator car and the counterweight.
Public/Granted literature
- US20170015525A1 ELEVATOR SYSTEM SOUND REDUCING ASSEMBLY AND METHOD Public/Granted day:2017-01-19
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