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:
Jul. 27, 2023
Otis Elevator Company, Farmington, CT (US);
Chong Chen, Hangzhou, CN;
Haiping Pan, Hangzhou, CN;
Xiu Jian, Hangzhou, CN;
Haiyun Qian, Hangzhou, CN;
Qiguo Li, Hangzhou, CN;
Zhijia Zheng, Hangzhou, CN;
Yi Shi, Hangzhou, CN;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
An elevator car door locking device and elevator equipment. The car door locking device includes a vane base provided with a first and a second rotation center; a vane assembly provided with a clamping vane or an expanding vane; and a vane drive assembly having a driving member, a transmission member, an unlocking member and a car door locking hook. The driving member, the transmission member and the vane assembly are hinged to the first rotation center, the car door locking hook is hinged to the second rotation center, the transmission member is hinged with the vane assembly through a connecting shaft, and the unlocking member is hinged to a third rotation center on the driving member and is provided with a limiting part for limiting the connecting shaft.