| 摘要 |
PURPOSE:To make steering control performable in an stable and easy manner, by installing a steering arm fitted with a leg engaging part, capable of linking up with a driver's leg at its tip, to a wheel setting shaft of each steering wheel, in case of a steering device making the steering wheel being suitable for a transplanter or the like operatable by the driver's leg. CONSTITUTION:A transplanter 1 is provided with a couple of symmetrical steering wheels 2 at the front side and driving wheels at the rear side likewise, respectively, while a steering wheel support frame 27 is secured tight to the front part of a machine body 6. This support frame 27 holds each setting shaft 29 for these steering wheels 2 free of rotation and adjustable in height at each cylinder 28 secured to both sides, while these wheels 2 are interlockingly coupled together by means of a tie rod 31. In this case, a holder 36 is fitly locked to the upper part of each setting shaft 29 and a rotary body is rotatably fitted in this holder 36. A steering arm 40 is fulcrumed on this rotary body via a bracket, and a leg engaging part 41 capable of linking a driver's leg placed on a footrest part 33, especially of his knee, is locked to the tip of the arm 40. |
