| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a tractor with good operability including a continuously variable transmission, and a shifting tool capable of changing output of the continuously variable transmission. <P>SOLUTION: A forward and reverse switching mechanism 20 includes a rotation support body 21 having a cylindrically composed body 21a and a rotary shaft 21b protrudedly provided in a radial direction more than an outer face of the body 21a, in which a rotation base part 10a of a shifting pedal 10 is fixed to the rotary shaft 21b; a forward and reverse switching element 22 having a cylindrical body 22a turnably supported along a body inner face of the rotation support body 21 and an operation arm 22b protrudedly provided from one end of the cylindrical body 22a to an outer side more than the rotation support body 21; a link member 23 interlocking and connecting a servo spool 6 of a belt type continuously variable transmission 80 to the operation arm 22b via a first universal joint 50; a shaft body 24 fixed to an axis part of the cylindrical body 22a; a forward and reverse switching arm 25 connected to the shaft body 24 via a second universal joint 60 and connected to a forward and reverse switching lever 11 via coupling means 41; and a holding mechanism 70 holding the forward and reverse switching arm 25 in a forward position, a reverse position, and a neutral position. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
