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:
Nov. 25, 2025
Filed:
Aug. 04, 2023
Otis Elevator Company, Farmington, CT (US);
Jiangxing Huang, Hangzhou, CN;
Zhengguang Zhou, Hangzhou, CN;
Mingli Zhou, Hangzhou, CN;
Minglei Feng, Hangzhou, CN;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
An automatic conveying device and an automatic cleaning device for the handrail belt thereof. The automatic cleaning device includes a base; a first cleaning unit and a second cleaning unit mounted on the base, the first cleaning unit and the second cleaning unit are arranged in a front and back way in a moving direction of the handrail belt; a cleaning liquid conveying device, for conveying cleaning liquid to the first cleaning unit or the second cleaning unit; and a controller configured to control the cleaning liquid conveying device to deliver the cleaning liquid to one of the first cleaning unit and the second cleaning unit that first comes into contact with the handrail belt based on the running direction of the handrail belt during the cleaning operation.