公开(公告)号：US20170166021A1

公开(公告)日：2017-06-15

申请号：US15039563

申请日：2016-02-16

申请人： KOMATSU LTD.

发明人： Yasutaka NUMA

IPC分类号： B60D1/02 ,  F16B19/02 ,  B60D1/28

CPC分类号： B60D1/02 ,  B60D1/025 ,  B60D1/28 ,  B60D2001/544 ,  F16B19/02

摘要： A tow pin has a main body portion in a columnar shape and a first protrusion protruding outward from an outer circumferential surface of the main body portion. An upper bracket structure has a first through hole in which the main body portion is inserted and restricts passage of the first protrusion. A lower bracket is located under the upper bracket structure at a distance from the upper bracket structure and has a second through hole in which the tow pin can be inserted. The main body portion of the tow pin is inserted in at least the first through hole and the first protrusion is located under the upper bracket structure.

公开(公告)号：US20210031833A1

公开(公告)日：2021-02-04

申请号：US16981493

申请日：2019-03-26

申请人： KOMATSU LTD.

发明人： Yasutaka NUMA ,  Ikki HIROSE

IPC分类号： B62D17/00 ,  E02F9/22 ,  B62D5/12 ,  B60B35/00 ,  B60B35/06

摘要： A work vehicle includes an axle frame extending in a left-right direction, a cylinder coupled to the axle frame, and a first supply conduit connected to the cylinder and configured to supply hydraulic fluid to the cylinder. The first supply conduit is fixed to the axle frame.