Patent ID: 11970341
Assignee: DAIFUKU CO., LTD.
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 4:
5. An article transfer facility for transferring an article from a first position to a second position, the article transfer facility comprising:
a holding portion configured to hold the article;
a placement portion on which the article is to be placed;
a drive portion configured to move the holding portion and the placement portion; and
a control portion configured to control the drive portion,
wherein letting a predetermined reference direction be a Z direction, one of two directions that are orthogonal to each other in a view along the Z direction be an X direction, and another one of the two directions be a Y direction, and
wherein the drive portion comprises:
a first Z-axis drive portion configured to move and guide the holding portion in the Z direction,
a first X-axis drive portion configured to move and guide the holding portion in the X direction,
a first Y-axis drive portion configured to move and guide the holding portion in the Y direction, and
a second X-axis drive portion configured to move and guide the placement portion in the X direction,

wherein the control portion executes first control in which the article at the first position is placed on the placement portion, and second control in which the article placed on the placement portion is arranged at the second position,
wherein in the first control, the drive portion is controlled such that the holding portion picks up the article at the first position and moves to a position above the placement portion, and thereafter releases the article to place the article on the placement portion, and
wherein in the first control, the control portion controls the drive portion such that the placement portion and the holding portion holding the article move toward the second position in synchronization while the article held by the holding portion is placed on the placement portion.