| 摘要 |
PURPOSE:To eliminate the sliding of an output shaft by holding a bevel gear for normal and reverse rotation with a solid output shaft and providing a shift mechanism separately from said output shaft in a driving device for normally and reversely rotating the rotor of an agricultural machine. CONSTITUTION:The rotation of a bevel pinion 10 which is rotated by the driving force of the power take off (P.T.O.) shaft of a tractor is transmitted to right and left bevel gears 11a, 11b. The rotation of the bevel gears 11a, 11b is transmitted to an output shaft via the shifter 13 on the meshed side of shifters 13 installed on the outside ends of the bevel gears 11a, 11b. And, the rotation of the bevel gear 11b is transmitted to the output shaft 12 via the right side shifter 13. The sliding of the shifter 13 in the right and left directions is carried out by shift forks 16 which are interlockedly moved accompanying the slide in the right and left directions of a fork shaft 17. Thus, the rotation transmitted to the output shaft 12 is transmitted to a rotor via a sprocket 14 and a chain 5 to normally rotate the rotor.
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