Jtekt Corporation

Jtekt Column Systems Corporation

Kazuhisa Asakawa

Hiroaki Suzuki

Tomonori Sugiura

Naofumi Kawamura

Takahiro Baito

Kosuke Ito

Yuki Fujioka

Tetsuya Ebisu

Yoshiaki Murakami

Takao Nakaaki

Masayoshi Sakuda

Takashi Yamaguchi

Yasuhiro Tanioka

A gear includes an annular sleeve and a tooth portion provided by injection molding to cover a part of the sleeve. The sleeve is a stacked body including a plurality of annular steel plates stacked in an axial direction of the sleeve.

Gear and steering device

A steering column device includes a lower tube that is attached to a vehicle body so as to be pivotable in an up-down direction, a column shaft to which a steering wheel is attached, an upper tube that rotatably supports the column shaft and that also is attached to the lower tube so as to be movable in a front-rear direction, a motor for generating motor torque, a link mechanism that couples the lower tube and the upper tube so as to be capable of moving in conjunction, and a power transmission mechanism that acts to transmit the motor torque to the link mechanism. The link mechanism causes the pivoting of the lower tube in the up-down direction and the movement of the upper tube in the front-rear direction to be performed in conjunction, when the motor torque is transmitted to the link mechanism by the power transmission mechanism.

Steering column device

Growing community of inventors

Shiki-gun, Japan

Kazuhisa Asakawa