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:
May. 24, 2022
Filed:
May. 17, 2019
Applicant:
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Tailiang Li, Beijing, CN;
Yifei Zhang, Beijing, CN;
Hongtao Guan, Beijing, CN;
Ying Zhang, Beijing, CN;
Hua Cao, Beijing, CN;
Assignee:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); B62B 3/14 (2006.01); B62B 5/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0042 (2013.01); B62B 3/14 (2013.01); B62B 5/00 (2013.01); H02J 7/0013 (2013.01); H02J 7/0047 (2013.01);
Abstract
A shopping cart charging device, a charging system, an escalator and a shopping cart is disclosed. The shopping cart charging device includes a charging electrode configured to be disposed on a wheel of a shopping cart. The charging electrode is configured to allow electrical connection with a power supply electrode disposed on an escalator, so as to charge the shopping cart.