US 12,110,214 B2
Work vehicle
Yoshitaka Saijo, Kagawa (JP); Masanori Oshima, Kagawa (JP); Seiji Takeda, Kagawa (JP); Tatsuya Yamaguchi, Kagawa (JP); and Yudai Masuda, Kagawa (JP)
Assigned to TADANO LTD., Kagawa (JP)
Appl. No. 17/622,582
Filed by TADANO LTD., Kagawa (JP)
PCT Filed Jun. 24, 2020, PCT No. PCT/JP2020/024856
§ 371(c)(1), (2) Date Dec. 23, 2021,
PCT Pub. No. WO2020/262471, PCT Pub. Date Dec. 30, 2020.
Claims priority of application No. 2019-120773 (JP), filed on Jun. 28, 2019.
Prior Publication US 2022/0250879 A1, Aug. 11, 2022
Int. Cl. B66C 23/80 (2006.01)
CPC B66C 23/80 (2013.01) 3 Claims
OG exemplary drawing
 
1. A work vehicle comprising:
a front outrigger unit provided on a front side of a vehicle body frame of the work vehicle; and
a rear outrigger unit provided on a rear side of a vehicle body frame,
wherein the rear outrigger unit includes:
a first pair of outriggers;
a first supporting unit that supports the first pair of outriggers, and is movably coupled to the vehicle body frame; and
a first lift unit that includes a cylinder provided at the vehicle body frame so as to be expandable and contractible in a vertical direction, and a rod inserted into the cylinder to support the first supporting unit, and moves the first supporting unit upward to lift positions of lower end portions of the first pair of outriggers along with a lifting operation of the cylinder,
wherein the front outrigger unit includes:
a second pair of outriggers;
a second supporting unit that supports the second pair of outriggers, and is movably coupled to the vehicle body frame; and
a second lift unit that includes a rotation shaft that is fixed to the vehicle body frame such that the second supporting unit is rotatable about the rotation shaft, and an engagement portion that is provided at the second support unit and to which a hook of a crane of the work vehicle is engaged, and that moves the second supporting unit upward to lift positions of lower end portions of the second pair of outriggers along with the rotation of the second supporting unit in conjunction with a lifting operation of the crane, and
wherein the work vehicle is placed on a trailer with the first pair of outriggers and the second pair of outriggers fixed in a raised position.