| 摘要 |
PROBLEM TO BE SOLVED: To provide a combine driving transmission device which is capable of efficient gear change by an auxiliary transmission part. SOLUTION: This combine driving transmission device is provided with the auxiliary transmission means for shifting speed ratio of rotation power received by an auxiliary transmission shaft 12 into a plurality of stages and transmitting it to a transmission output shaft 13 and a differential means 5 for differential operation of right and left crawlers by output of this auxiliary transmission means, and the auxiliary transmission means is provided with a plurality of transmitting members 4a, 4b and 4c with different speed ratio transmitted between the auxiliary transmission shaft 12 and the transmission output shaft 13 and a clutch 4 which is provided at each of the transmitting members 4a, 4b and 4c being capable of individual engagement/disengagement while allowing speed difference. COPYRIGHT: (C)2003,JPO
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