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:
Jun. 04, 2024
Filed:
Jan. 03, 2022
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventors:
Jun Ma, Farmington, CT (US);
Alexander Serkh, Troy, MI (US);
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 15/00 (2006.01); B29C 70/68 (2006.01); B66B 15/04 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B66B 15/04 (2013.01); B29C 70/68 (2013.01); B29L 2031/748 (2013.01);
Abstract
An illustrative example embodiment of an elevator sheave assembly includes a plurality of polymer rings that are secured together. The plurality of polymer rings includes at least two polymer rings that each have an outer circumferential surface that defines a portion of a belt guiding surface adjacent a flange at a longitudinal end of the sheave assembly. The at least two polymer rings each include a bearing supported inside the ring.