Hitachi Construction Machinery Co., Ltd.

Jun Sonoda

Toichi Hirata

Tsuyoshi Sakyo

Kazuhisa Tamura

Takashi Nakagawa

An operator's cab in a construction machine in which hollow pillar portions are formed each with an outer panel and an inner panel bonded to each other and the hollow pillar portions constitute an operator's cab frame, includes at least one reinforcement member constituted of thin plate that is bonded to the outer panel and/or the inner panel to divide an internal space of each of the hollow pillar portions.

Operator's cab in construction machine

An operator's cab in a construction machine, which has pillars standing at a left side surface and a right side surface, includes a frame reinforcement member that extends between the pillars and meets at a near right angle to the pillars so as to create a resistance against a bending load applied to the pillars.

Growing community of inventors

Abiko, Japan

Jun Sonoda