Hitachi Construction Machinery Co., Ltd.

Kcm Corporation

Hiroaki Yada

Akira Shimohira

Seiji Nakagawa

Koji Hyodo

Kazuhiko Hiraoka

Tetsuji Tanaka

Isamu Aoki

Masaki Yoshikawa

Wataru Isaka

Yasunori Miyamoto

Hirofumi Oouchi

Tadayoshi Aoki

Katsuyuki Kirita

Kouji Kimijima

Yuuji Akutsu

Kouji Takehi

Katsuhisa Onoguchi

Tadashi Koseki

A work vehicle, includes: a lift arm rotatably linked to a front portion of a vehicle body of a work vehicle so as to be allowed to swing along an up/down direction; an operation lever that can be operated within a range between a raising operation end position and a lowering operation end position, and is operated to raise and lower the lift arm; an up detent mechanism having a holding function for holding the operation lever at the raising operation end position once the operation lever is operated to the raising operation end position; and a down detent mechanism having a holding function for holding the operation lever at the lowering operation end position once the operation lever is operated to the lowering operation end position, wherein: when an angle of the lift arm becomes greater than a predetermined upper limit, the holding function of the up detent mechanism and the holding function of the down detent mechanism are disengaged.

Work vehicle

A work machine includes: a vehicle body frame of the work machine; an engine mounted on the vehicle body frame; an engine cover covering over a top of the engine and fixed to the vehicle body frame via a column; a first exhausting device having a tubular appearance; a second exhausting device having a tubular appearance and having a function different from that of the first exhausting device; and a bracket holding the first exhausting device in an upper holding part and the second exhausting device in a lower holding part to attach them on a bottom surface of the engine cover. The bracket integrally holds the first and second exhausting devices in such a manner that an extending direction of the first exhausting device and an extending direction of the second exhausting device are generally parallel, seen from above, and a part of the first exhausting device and a part of the second exhausting device overlap each other, seen from above, while fixing the first and second exhausting devices below the engine cover.

Work machine

Wheel loader

Growing community of inventors

Ryugasaki, Japan

Hiroaki Yada