US 12,112,966 B2
Article accommodation facility
Kazuya Omori, Hinocho (JP); and Akira Masui, Hinocho (JP)
Assigned to Daifuku Co., Ltd., Osaka (JP)
Filed by Daifuku Co., Ltd., Osaka (JP)
Filed on May 27, 2022, as Appl. No. 17/827,202.
Claims priority of application No. 2021-090501 (JP), filed on May 28, 2021.
Prior Publication US 2022/0380124 A1, Dec. 1, 2022
Int. Cl. H01L 21/677 (2006.01); B65G 1/04 (2006.01); B65G 1/06 (2006.01)
CPC H01L 21/6773 (2013.01) [B65G 1/0421 (2013.01); H01L 21/67769 (2013.01); B65G 1/0407 (2013.01); B65G 1/06 (2013.01); B65G 2201/0297 (2013.01); Y10S 414/14 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An article accommodation facility comprising:
an article accommodation rack comprising a plurality of accommodation sections each configured to accommodate an article;
a storage/retrieval section configured to store the article on the article accommodation rack, and retrieve the article from the article accommodation rack;
a transport device configured to transport the article; and
a control device configured to control the transport device,
wherein:
the transport device comprises a transfer machine configured to transfer the article to and from a transfer location provided in each of the plurality of accommodation sections and the storage/retrieval section,
the transfer machine comprises a fork configured to support the article from below, a projection/retraction mechanism configured to project and retract the fork between a retracted position and a projecting position in a projecting/retracting direction extending in a horizontal direction, and an elevation mechanism configured to raise and lower the fork,
the transfer machine is configured to perform a transfer operation for transferring the article to and from the transfer locations by one of: projecting or retracting, and one of: raising or lowering the fork,
each of the transfer locations has a placement portion where the article is placed, and a support portion where the fork supports the article,
the transfer machine is configured to raise or lower the support portion in the transfer operation between a lower set position that is set below the placement portion of the transfer location subject to the transfer operation, and an upper set position that is set above the placement portion, and
the control device is configured to change a setting of at least one of the lower set position and the upper set position to set a different raising/lowering range of the support portion that covers a range from the lower set position to the upper set position, between a case where the article is transferred to the transfer location provided in the storage/retrieval section, and a case where the article is transferred to the transfer location provided in each of the accommodation sections.