US 12,103,781 B2
Chain conveying mechanism and article sorting system
Wenjun Shan, Beijing (CN); Mingfu Wu, Beijing (CN); and Guoku Song, Beijing (CN)
Assigned to BEIJING JINGDONG QIANSHI TECHNOLOGY CO., LTD., Beijing (CN)
Appl. No. 18/245,958
Filed by BEIJING JINGDONG QIANSHI TECHNOLOGY CO., LTD., Beijing (CN)
PCT Filed Mar. 23, 2021, PCT No. PCT/CN2021/082453
§ 371(c)(1), (2) Date Mar. 20, 2023,
PCT Pub. No. WO2022/057228, PCT Pub. Date Mar. 24, 2022.
Claims priority of application No. 202010997442.3 (CN), filed on Sep. 21, 2020.
Prior Publication US 2023/0365336 A1, Nov. 16, 2023
Int. Cl. B65G 17/06 (2006.01); B65G 17/12 (2006.01); B65G 17/42 (2006.01); B65G 17/34 (2006.01)
CPC B65G 17/067 (2013.01) [B65G 17/12 (2013.01); B65G 17/42 (2013.01); B65G 17/345 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A chain conveying device, comprising:
a chain transmission mechanism, comprising a chain and a sprocket, wherein the chain is configured to be driven by the sprocket to rotate;
a cart, arranged on the chain and rotatable along with the chain, wherein the cart comprises a cart body and two wheel groups connected to two opposite sides of the cart body, and each of the wheel groups comprises a first wheel and a second wheel arranged at intervals on the same side of the cart body; and
linkage mechanisms being in one-to-one correspondence with the wheel groups, wherein each of the linkage mechanisms connects the chain with the first wheel and the second wheel, and enables the first wheel and the second wheel to swing relative to each other to change a distance between the first wheel and the second wheel.