Komatsu Corporation

Hitachi, Ltd.

Hirofumi Wada

Masahiko Hamaguchi

Yasuhiro Yanagida

Masato Kitashou

Shunsuke Nishida

Hidenori Tatsuta

Naoki Kimura

Teruhisa Iwata

Jun Itou

Akihiro Koshi

Kenichi Muramoto

Yuuki Shimasaki

Takuma Shoda

Takushi Izawa

Kazunari Shinagawa

Junichirou Imai

Shohei Ikejiri

Izumi Nakade

An operator seat is arranged in a cab. An air-conditioning unit is arranged in front of the operator seat. A lower window through which the outside can be seen from the inside of the cab is arranged in front of the operator seat and laterally to the air-conditioning unit.

Cab for work vehicle and work vehicle

A wheel loader representing a work vehicle includes an operator's seat, an armrest, and a seat operation portion. The armrest is provided lateral to the operator's seat. The seat operation portion controls a position or a posture of the operator's seat. The seat operation portion is attached to the armrest.

Work vehicle

A wheel loader representing a work vehicle includes an operator's seat, a console, and an armrest. The console includes an operation portion. The console is provided lateral to the operator's seat. The armrest includes an upper surface. The armrest is provided lateral to the operator's seat and in the rear of the operation portion. The armrest operates independently of the console such that a rear end of the upper surface is laterally displaced in a top view.

Each of a pair of rear side face windows of a cab extends rearward from each of a pair of rearmost pillars. A rear face window is connected to each of the pair of rear side face windows and located in the rear of the rearmost pillars. The rear face window is inclined such that an upper portion thereof is located more rearward than a lower portion thereof, and it is entirely made of glass from a first rear side face window representing one of the pair of rear side face windows to a second rear side face window representing the other of the pair of rear side face windows.

Cab of work vehicle, work vehicle, and wheel loader

Cab for a construction machine

A driver seat for an operator includes: a fastener configured to fasten a pair of hip belts; a pair of shoulder belts each having a distal end attached to each of the pair of hip belts, the pair of shoulder belts being configured to hold a shoulder area of the operator; and a fastened-state detector configured to detect whether or not the fastener is fastened. The fastened-state detector includes: a detector main body configured to detect whether or not the fastener is fastened through electrical continuity; a signal line connected to the detector main body; and a bag-shaped section integrated with one of the pair of shoulder belts in a drawing direction of the shoulder belt, the bag-shaped section housing the signal line.

Driver seat for operator and dump truck including the same

Vehicle seat

A seat belt includes: a lap strap stretchable around the waist of an operator, in other words, laterally stretchable across a seat surface; an AL retractor that is configured to wind the lap strap; a shoulder strap stretchable from the shoulder to the waist of the operator, in other words, stretchable from an upper portion on one side of the backrest to a lower portion on the other side thereof; and an EL retractor that is configured to wind the shoulder strap.

Seat belt and construction machine equipped therewith

A seat structure for an operator that is set in a cab of a construction machine such as a wheel loader includes: a suspension equipment fixed to a floor frame; a plate-shaped attachment bracket attached on the suspension equipment; a seat and a work equipment console juxtaposed to each other on the attachment bracket. The seat is attached to the attachment bracket via slide rails in a manner slidable back and forth. The work equipment console is also attached to the attachment bracket via a slide rail in a manner slidable back and forth.

Operator seat structure of construction machine

Growing community of inventors

Tokyo, Japan

Hirofumi Wada