| 摘要 |
PURPOSE: An auxiliary steering system of a wire steering device is provided to supply automatic restore force of a steering wheel in the wire steering device and to apply optimal steering feeling to a driver. CONSTITUTION: An auxiliary steering device of a wire steering device comprises a rotational angle sensor(2) sensing a rotational angle of a steering wheel(1); a driving unit(3) generating rotational force to restore position of the steering wheel; a torsion bar(4) connecting the steering wheel and the driving unit; an electronic control unit(5) deciding degree of rotation of the steering wheel by detecting the rotational angle of the steering wheel to restore the position of the steering wheel with the driving unit; serrations(4a) formed on both end portions of the torsion bar; first and second install units(6,7) combined with the both end portions of the torsion bar; and plural grooves(6a,7a) processing the serrations on end portions of the first and second install units. Moreover, the grooves are being geared with the serration of the torsion bar.
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