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

Claim 12:
13. The sorter according to claim 1, wherein the sprocket set (149) further comprises a tensioning member (139) installed on the frame, a bearing seat (138) installed on the tensioning member (139), and a third bearing (148) installed on the bearing seat (138);
wherein a rotating shaft of at least one driven sprocket (132) is inserted into an inner ring of the third bearing (148);
wherein the tensioning member (139) comprises:
two straight sliding tracks (140) parallel to each other, the bearing seat (138) being disposed between the two straight sliding tracks (140) and slide along the straight sliding tracks (140);
a connecting member (141) having a screw hole, and the connecting member (141) configured to connect the two straight sliding tracks (140);
a tensioning bolt (142) parallel to the straight sliding tracks (140), the tensioning bolt (142) being threaded fitted with the screw hole and being rotatable connected to the bearing seat (138).