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. 15, 2020
Filed:
Sep. 17, 2019
Otis Elevator Company, Farmington, CT (US);
QingXi Cai, Zhejiang, CN;
JianGuo Li, Zhejiang, CN;
Xin Wei, Zhejiang, CN;
Jie Hu, Zhejiang, CN;
LiFei Cheng, Zhejiang, CN;
ZuAn Tang, Guangde, CN;
Jun Ma, Zhejiang, CN;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
An automatic handrail tensioning system and a method for adjusting the tension degree of a handrail, and belongs to the technical field of escalators. The automatic handrail tensioning system of the present invention comprises: a sensor for detecting information that can reflect a tension degree of the handrail; a controller for determining the tension degree information of the handrail according to the information detected by the sensor, and generating a corresponding control instruction for adjusting the tension degree of the handrail based on the tension degree information; and an actuator for driving a tensioning device to adjust the tension degree of the handrail based on the control instruction.