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. 28, 1988
Filed:
Jun. 03, 1986
Applicant:
Inventor:
Kentaro Yasuda, Southington, CT (US);
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
187 20 ; 254390 ;
Abstract
A traction elevator rope (4) is helically wrapped about at least 360.degree. of the periphery of a drive sheave (2) to provide sufficient traction for low-speed elevator operations without excessive wear or seizing and to provide sufficient traction in high-speed elevator operations without excessive wear or high drive sheave loading.
Yasuda, Kentaro. (1988). Triple-wrap traction arrangement (U.S. Patent No. 4753322). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4753322
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile