ステアリング装置及びそれを備えた車両

Japanese Patent JP6382545

B2

A four-wheel steering vehicle which is capable of moving laterally and turning with a small radius, without using a complicated mechanism. The vehicle includes a steering device (10, 20) including tie rods (12 and 22) connected, respectively, to right and left wheels (w) which are constituted by a pair of front wheels of the vehicle or a pair of rear wheels of the vehicle, and configured to steer the respective right and left wheels, and a pair of rack bars (53 and 54) connected to the respective tie rods (12 and 22), wherein the steering device (10, 20) is capable of simultaneously steering the right and left wheels (w) in one of right and left directions of the vehicle with respect to the direction in which the vehicle travels in a straight line, by moving, together with each other, the pair of rack bars (53 and 54) in one of the right and left directions, and wherein a rack bar moving means (60) is provided which is capable of moving the pair of rack bars (53 and 54) in opposite directions to each other by the same distance, and rack teeth are arranged along the opposite directions. The rack bar moving means (60) includes a synchronizing gear (55) in mesh with the pair of rack bars (53 and 54), and configured to convert the movement of one of the rack bars (53 and 54) in one of the opposite directions to the movement of the other of the rack bars (53 and 54) in the other of the opposite directions.

Hiroshi Oba
Tomoumi Ishikawa
Taisuke Iki
Yuya Yamaguchi

JP2014063835A

August 29, 2018

March 26, 2014

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ntn corporation

B62D7/15; B62D3/12; B62D5/04; B62D7/14

JP3112724A
JP2005297782A
JP4262971A
JP2007022159A
JP2600374Y2
JP2003127876A
JP63173766A

US5082077

Naoya Kamata
Bunji Kamada
Takayoshi Tagawa
Higashio Masahiro
Yaichiro Nakatani
Takashi Shimizu

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