US 11,673,500 B2
Article transport vehicle
Kazuharu Yoshinaga, Hinocho (JP)
Assigned to Daifuku Co., Ltd., Osaka (JP)
Appl. No. 17/414,575
Filed by Daifuku Co., Ltd., Osaka (JP)
PCT Filed Aug. 30, 2019, PCT No. PCT/JP2019/034149
§ 371(c)(1), (2) Date Jun. 16, 2021,
PCT Pub. No. WO2020/129322, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. JP2018-240328 (JP), filed on Dec. 21, 2018.
Prior Publication US 2022/0009396 A1, Jan. 13, 2022
Int. Cl. B60P 1/16 (2006.01); B65G 47/96 (2006.01); B60P 1/28 (2006.01)
CPC B60P 1/165 (2013.01) [B60P 1/283 (2013.01); B65G 47/965 (2013.01); B60P 1/28 (2013.01)] 6 Claims
OG exemplary drawing
 
6. An article transport vehicle comprising:
a carriage body; and
a transfer device mounted on the carriage body and configured to transfer an article,
wherein the transfer device comprises:
an article support unit configured to support the article from below;
a linking support unit that links the article support unit to the carriage body; and
a drive unit configured to perform tilt driving for tilting the article support unit,
wherein:
a direction parallel to a horizontal direction is a reference axis direction,
the linking support unit includes a first shaft support portion that is linked to the carriage body so as to be swingable around a first shaft that extends in the reference axis direction,
the article support unit includes a second shaft support portion that is linked to the linking support unit so as to be swingable around a second shaft that extends in the reference axis direction, and
the first shaft and the second shaft are arranged at different positions when viewed in the reference axis direction, and
the drive unit includes a first drive unit and a second drive unit,
the first drive unit is configured to transmit a drive force to the linking support unit to cause the linking support unit and the article support unit linked to the linking support unit to swing around the first shaft, so that the article support unit is tilted in a first tilt direction,
the second drive unit is configured to transmit a drive force to the article support unit to cause the article support unit to swing around the second shaft, so that the article support unit is tilted in a second tilt direction, which is different from the first tilt direction,
wherein the first drive unit comprises:
a first arm portion linked to the carriage body;
a first pressing portion that is linked to the first arm portion and is configured to press against the linking support unit from below; and
a first drive source configured to drive the first arm portion, and
the second drive unit comprises:
a second arm portion linked to the carriage body;
a second pressing portion that is linked to the second arm portion and is configured to press against the article support unit from below; and
a second drive source configured to drive the second arm portion.