US 11,866,262 B2
Automatic tray feeding device, tray sorting table including and security inspection system including the device
Zhiqiang Chen, Beijing (CN); Li Zhang, Beijing (CN); Jinning Liang, Beijing (CN); Qingping Huang, Beijing (CN); Mingzhi Hong, Beijing (CN); Yanhua Lu, Beijing (CN); Bo Li, Beijing (CN); Yue Li, Beijing (CN); and Majie Weng, Beijing (CN)
Assigned to Nuctech Company Limited, Beijing (CN); and Tsinghua University, Beijing (CN)
Filed by Nuctech Company Limited, Beijing (CN); and Tsinghua University, Beijing (CN)
Filed on Oct. 27, 2021, as Appl. No. 17/511,874.
Claims priority of application No. 202011175693.X (CN), filed on Oct. 28, 2020.
Prior Publication US 2022/0127080 A1, Apr. 28, 2022
Int. Cl. B65G 13/07 (2006.01); B65G 47/57 (2006.01)
CPC B65G 13/07 (2013.01) [B65G 47/57 (2013.01); B65G 2201/0258 (2013.01); B65G 2203/0233 (2013.01); B65G 2203/044 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An automatically tray feeding device, comprising:
at least one conveying mechanism configured to convey a tray at different heights;
at least one lifting mechanism configured to move the tray on a conveying mechanism at a first height to a conveying mechanism at a second height different from the first height;
a sorting table frame configured to carry the at least one conveying mechanism and the at least one lifting mechanism; and
at least one retractable pallet mechanism mounted on the sorting table frame and comprising a pair of rails;
wherein the pair of rails face each other and are formed in a shape substantially of “custom character”, and the at least one flexible plate is bendable by 90 degrees.