| 摘要 |
A steering apparatus capable of changing a steering angle ratio of dirigible road wheels relative to a rotation amount of a steering wheel. The steering apparatus includes an input member arranged to be operatively connected to the steering wheel, a support shaft coaxially arranged with the input member and being interconnected with the input member for relative rotation on aligned axes, an output pinion rotatably mounted on the support shaft and being in mesh with the toothed portion of a rack member for operative connection with the dirigible road wheels, and a differential gear mechanism including an input sun gear mounted on the support shaft at a position adjacent the output pinion, first and second planetary gears respectively in mesh with the input sun gear and the output pinion and being rotatably mounted on a common shaft, and a carrier supporting thereon the common shaft and being arranged to be rotated about the support shaft.
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