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. 07, 2021
Filed:
Nov. 13, 2020
Otis Elevator Company, Farmington, CT (US);
Hai Cui, Zhejiang, CN;
Qing Cheng, Zhejiang, CN;
Yi Fang, Zhejiang, CN;
Xingsong Xu, Zhejiang, CN;
Xinxiang Jiang, Zhejiang, CN;
JiaYing Chen, Zhejiang, CN;
ShengJun Qian, Zhejiang, CN;
HuaLiang Xu, Zhejiang, CN;
ShaoDong Huang, Zhejiang, CN;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
A handrail safety control device, a transportation system and a handrail safety control method. The handrail safety control device is provided for a transportation system having a handrail, the handrail including a body and a handrail belt, the handrail belt being driven under power to move relative to the body and forming an engaged state or a disengaged state with the body. The handrail safety control device includes: a contact portion disposed in a preset section of the handrail, the contact portion being in a first state or a second state respectively when the handrail belt in the preset section is in the engaged state or the disengaged state, wherein in the first state, the contact portion is in contact with the handrail belt, and in the second state, the contact portion is at least partially out of contact with the handrail belt; and a signal generation portion.