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:
Aug. 11, 2026
Filed:
Aug. 13, 2024
Otis Elevator Company, Farmington, CT (US);
Wei Wang, Shanghai, CN;
Ran Li, Shanghai, CN;
Cesar Augusto Belchior De Carvalho, São Bernardo do Campo, BR;
Jun MA, Hangzhou, CN;
Baoyu Wang, Haining, CN;
Yisug Kwon, Farmington, CT (US);
Zhaoxia Hu, Hangzhou, CN;
Jing Xia, Hangzhou, CN;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
An automatic conveyor device including an entrance platform footboard, an exit platform footboard, and a series of steps running in a loop between the entrance platform footboard and the exit platform footboard; a first comb plate and a second comb plate respectively connected to the entrance platform footboard and the exit platform footboard through a comb support plate; and a first warning device disposed in the vicinity of the entrance platform footboard or the exit platform footboard, where the first warning device includes a projection device that projects a light beam along a width direction in the vicinity of the first comb plate or the second comb plate.