Sumitomo Heavy Industries, Ltd.

Dotaro Usui

Takashi Hoshino

Daisuke Shinohira

Shinichiro Tsukahara

Hiroaki Ishida

An operation unit for a construction machine includes an operation part configured to be operated to input a direction for operating the construction machine. When a first direction is input through the operation part, the operation part is configured to present a second direction corresponding to the first direction to an operator operating the operation part.

Operation unit for construction machine, and construction machine

A linear motor can include a coil part having a plurality of coils forming a coil line; a magnet yoke part having a plurality of permanent magnets facing the coil line; and a coil cooling part configured to cool the coil part. The coil cooling part can include a cooling panel having a heat conductive element, the heat conductive element transferring heat of the coil part to an outside; and a heat radiation part connected to the cooling panel, the heat radiation part being configured to radiate the heat transferred from the heat conductive element to the outside.

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Kawasaki, Japan

Dotaro Usui