US 12,103,836 B2
Stacker crane
Jun Sai, Ise (JP); and Kazuhiro Ishikawa, Inuyama (JP)
Assigned to MURATA MACHINERY, LTD., Kyoto (JP)
Appl. No. 17/776,621
Filed by MURATA MACHINERY, LTD., Kyoto (JP)
PCT Filed Sep. 24, 2020, PCT No. PCT/JP2020/036048
§ 371(c)(1), (2) Date May 13, 2022,
PCT Pub. No. WO2021/100313, PCT Pub. Date May 27, 2021.
Claims priority of application No. 2019-211508 (JP), filed on Nov. 22, 2019.
Prior Publication US 2022/0402737 A1, Dec. 22, 2022
Int. Cl. B65G 1/04 (2006.01); B66F 9/07 (2006.01); B66F 9/08 (2006.01)
CPC B66F 9/08 (2013.01) [B65G 1/0407 (2013.01); B66F 9/07 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A stacker crane comprising:
a mast that includes a plurality of column members coupled with each other in a height direction and an elevating platform movable up and down along the mast; and
a coupling structure to couple a first column member and a second column member of the plurality of column members, which are adjacent to each other; wherein
the coupling structure includes:
an outer member attached over the first column member and the second column member;
a first inner member between the first column member and the outer member;
a second inner member between the second column member and the outer member;
a first fixing member to fix the outer member to the first column member along with the first inner member;
a second fixing member to fix the outer member to the second column member along with the second inner member;
a third fixing member to fix the first inner member to the first column member; and
a fourth fixing member to fix the second inner member to the second column member;
the outer member and the first inner member are provided with a first positioner to specify a locational relationship between the outer member and the first inner member;
the outer member and the second inner member are provided with a second positioner to specify a locational relationship between the outer member and the second inner member; and
the coupling structure includes a shim plate between the first inner member and the first column member or between the second inner member and the second column member.