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. 04, 2018
Filed:
May. 09, 2017
Otis Elevator Company, Farmington, CT (US);
Chan-Jong Park, Vienna, AT;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
A passenger conveyor () comprises a plurality of treads () interconnected to form an endless tread band (), the passenger conveyor () comprising a chain and sprocket drive system including at least two drive sprockets (), each drive sprocket () drivingly coupled to a respective drive chain (), each drive sprocket () having a predetermined number of drive sprocket teeth () positioned at a predetermined drive sprocket teeth pitch (αa, αb) with respect to each other, wherein the drive sprockets () are configured to rotate with the same angular velocity, but at a predetermined phase difference (β) with respect to each other.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile