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:
Sep. 07, 2021
Filed:
May. 04, 2018
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventors:
Xiaoyuan Chang, Ellington, CT (US);
David R. Torlai, Torrington, CT (US);
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 15/04 (2006.01); C09D 191/06 (2006.01); C25D 3/04 (2006.01);
U.S. Cl.
CPC ...
B66B 15/04 (2013.01); C09D 191/06 (2013.01); C25D 3/04 (2013.01);
Abstract
An elevator sheave includes a sheave body and a coating on a surface of the sheave body. The coating includes microcracks and a filler in the microcracks. A method of making a sheave for an elevator system is also disclosed.