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    • 104. 发明专利
    • TRANSMISSION OF AGRICULTURAL WORKING VEHICLE
    • JPH01282027A
    • 1989-11-13
    • JP11113688
    • 1988-05-06
    • KUBOTA LTD
    • IRITANI TAKAFUMI
    • B60K17/28F16H3/02F16H37/06
    • PURPOSE:To reduce the kinds and number of gears by loosely fitting a plurality of speed change gears and a reversing gear on the speed change shaft of a PTO system, and a plurality of speed change gears and a back gear on the speed change shaft of a traveling system respectively, and further setting the specifications of specific combinations of gears so as to have the same specification. CONSTITUTION:An input shaft 1, a speed change shaft 2 of a PTO system, and a speed change shaft 3 of a traveling system are arranged so as to be in parallel to one another. And on the input shaft 1, a first to a third driving gears 4 to 6; on the output shaft 2 of the PTO system, a first to a third speed change gears 7 to 9 for output use and a reversing gear 101 and on the speed change shaft 3 of the traveling system, a first to a third speed change gears 11 to 13 for traveling use and a back gear 14 are loosely fitted respectively. In this case, specific combinations of gears, or 7, 10, 11, 14; 8, 12; and 9, 13 are set so as to have the same specification respectively. And one idle gear 17 is commonly used for both the PTO system and the traveling system. Thus, the kinds and number of gears can be reduced, and the simplification of structure and the like can be achieved.