The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 13, 2021
Filed:
Nov. 03, 2016
Otis Elevator Company, Farmington, CT (US);
Ruguang Liu, Tianjin, CN;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
The present utility model provides a traction sheave, including: a traction sheave body, formed of several arc-shaped traction sheave sections that are connected to each other; and connecting portions, disposed at two ends of each traction sheave section along a lateral surface of the traction sheave section, where the connecting portions at the two ends of each traction sheave section fit each other. The traction sheave according to the present utility model has relatively high replaceability, is very convenient to assemble and disassemble, requires relatively low costs of human and material resources and time, and meanwhile can still ensure high reliability of working of the traction sheave.