公开(公告)号：US20180170671A1

公开(公告)日：2018-06-21

申请号：US15842214

申请日：2017-12-14

申请人： Jungheinrich Aktiengesellschaft

发明人： Joerg CAVELIUS ,  Elmar HARTING

IPC分类号： B65G1/02 ,  B66F9/075

CPC分类号： B65G1/026 ,  B65G1/023 ,  B66F9/072 ,  B66F9/0755 ,  B66F9/07586

摘要： Storage and retrieval unit that includes a rail arrangement having a track and a flange arrangement. In a direction of gravity, the track is located below the flange arrangement. The storage and retrieval unit further includes a moving gear comprising a track roller arrangement and an array of underfriction wheels. The track roller arrangement is configured to support the moving gear on the track, and the array of underfriction wheels is arranged to engage under the flange arrangement.