Patent ID: 11905124
Assignee: BEIJING JINGDONG QIANSHI TECHNOLOGY CO., LTD.
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 2:
3. The sorter according to claim 2, wherein the carriage (152) comprises a carriage body (156) that carries the conveying assembly (151) and at least two support arms (157) that respectively arranged on both sides of the carriage body (156),
wherein each of the support arms (157) comprises:
a guide-wheel group (160);
a hinge rod (159) extends from a side of the carriage body (156) in a direction away from the carriage body (156); and
a connecting rod (158) having one end connected to the hinge rod (159) and other end connected to the guide-wheel group (160), and being perpendicular to the hinge rod (159);

wherein said two guide-wheel groups (160) respectively travel along the two ring-shaped tracks (121), the hinge rod (159) passes through the at least one chain (131) and rotates relative to the at least one chain (131), and the at least one chain (131) drives the carriage (152) to slide along the ring-shaped tracks (121) by pulling the hinge rod (159).