公开(公告)号：US20220219745A1

公开(公告)日：2022-07-14

申请号：US17564245

申请日：2021-12-29

Applicant: NHK SPRING CO., LTD.

Inventor： Tsuyoshi AMEMIYA ,  Yuta SOUDA ,  Kouichi SHOGAWA ,  Shimpei KAKIUCHI

IPC: B62B3/04

Abstract: A carrier device includes a coupling mechanism for coupling an automatic controlled vehicle to a carriage. The coupling mechanism includes a first shaft member, a second shaft member and a third shaft member. The coupling mechanism includes a guide rail section, a lock member, and an actuator that moves the lock member. The guide rail section is provided on the automatic controlled vehicle. When the lock member moves from the first position to the second position, the lock member enters between the first shaft member and the second shaft member. The third shaft member fits with the fitting portion of the lock member.