Invention Grant
- Patent Title: Shopping cart charging device and charging system, escalator, shopping cart
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Application No.: US16613733Application Date: 2019-05-17
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Publication No.: US11342766B2Publication Date: 2022-05-24
- Inventor: Tailiang Li , Yifei Zhang , Hongtao Guan , Ying Zhang , Hua Cao
- Applicant: BOE TECHNOLOGY GROUP CO., LTD.
- Applicant Address: CN Beijing
- Assignee: BOE TECHNOLOGY GROUP CO., LTD.
- Current Assignee: BOE TECHNOLOGY GROUP CO., LTD.
- Current Assignee Address: CN Beijing
- Priority: CN201820793132.8 20180525
- International Application: PCT/CN2019/087445 WO 20190517
- International Announcement: WO2019/223622 WO 20191128
- Main IPC: H02J7/00
- IPC: H02J7/00 ; B62B3/14 ; B62B5/00
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.
Public/Granted literature
- US20210336455A1 SHOPPING CART CHARGING DEVICE AND CHARGING SYSTEM, ESCALATOR, SHOPPING CART Public/Granted day:2021-10-28
Information query
