公开(公告)号：US20200032479A1

公开(公告)日：2020-01-30

申请号：US16466326

申请日：2017-03-31

Applicant: KOMATSU LTD.

Inventor： Masashi HOSHINO ,  Atsushi KARAMI ,  Hirofumi KOTAKI ,  Shinji HIROSE ,  Masamichi MIYAZAKI

IPC: E02F9/16 ,  E02F9/26 ,  H01Q1/32

Abstract: A work vehicle includes: a cab to be boarded by an operator, the cab including a roof; and a first antenna mounted on the roof. The first antenna is positioned selectively at one of a position lower than a topmost portion of the roof, and a position protruding upward relative to the topmost portion of the roof.

公开(公告)号：US20210230835A1

公开(公告)日：2021-07-29

申请号：US17228916

申请日：2021-04-13

Applicant: KOMATSU LTD.

Inventor： Masashi HOSHINO ,  Atsushi KARAMI ,  Hirofumi KOTAKI ,  Shinji HIROSE ,  Masamichi MIYAZAKI

IPC: E02F9/16 ,  E02F9/26 ,  H01Q1/32 ,  B60R21/11 ,  B62D33/06 ,  B60R21/13

Abstract: A work vehicle includes: a cab to be boarded by an operator, the cab including a roof; and a first antenna mounted on the roof. The first antenna is positioned selectively at one of a position lower than a topmost portion of the roof, and a position protruding upward relative to the topmost portion of the roof.