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:
Dec. 21, 2021
Filed:
Oct. 24, 2018
Otis Elevator Company, Farmington, CT (US);
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
An elevator traction system and an elevator system. The elevator traction system includes: a car side wheel train; a transition wheel train; a counter-weight side wheel train; and a rope including a first end and a second end that are fixed to the top of a hoistway, the rope passing through the car side wheel train, the transition wheel train, and the counter-weight side wheel train sequentially, the car side wheel train including a first sheave and a third sheave that are fixed to the top of a car and a second sheave that is fixed to the top of the hoistway, wherein the first sheave and the third sheave are arranged to be parallel to each other and perpendicular to the second sheave. The elevator traction system and the elevator system according to embodiments of the present invention have a compact layout and a high hoistway utilization rate.