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. 20, 2024
Filed:
Jan. 03, 2020
Beijing Jingdong Qianshi Technology Co., Ltd., Beijing, CN;
Jian Zhang, Beijing, CN;
Jintao Xiong, Beijing, CN;
Cheng Wang, Beijing, CN;
Jingren Tang, Beijing, CN;
BEIJING JINGDONG QIANSHI TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
A transport cart () and a transmission device thereof (). The transmission device comprises: a crawling assembly (), a rotary drive assembly and a crawling drive assembly. The crawling assembly comprises: a wheel frame (), comprising a first end and a second end opposite to the first end, the wheel frame extending from the first end to the second end; a driving wheel (), mounted at the second end and having an axis perpendicular to the extending direction of the wheel frame; and a guide wheel (), mounted at the second end and having an axis parallel to the extending direction of the wheel frame. The present transport cart provided with the described transmission device may move along both a horizontal rail and a vertical rail and may quickly switch between the horizontal rail and the vertical rail, thus improving the moving efficiency.