| 摘要 |
PROBLEM TO BE SOLVED: To prevent a mechanical interlocking mechanism from being kept into contact with obstacles, mud/soil, rain water and the like to prevent its breakage and abrasion in transmitting operation of shuttle operation-type forward/backward movement switching lever and operation of gear shift lever to a trunnion shaft through the mechanical interlocking mechanism in a tractor comprising HST. SOLUTION: A rotating shaft 53 interlocking with the operation of the forward/backward movement switch lever 5 and a rotating shaft 63 interlocking with the operation of the gear shift lever 27 are penetrated through a mission case 12B on faces adjacent to each other of the mission case 12B including HST 3, to constitute the interlocking mechanism L for transmitting the operations of both rotating shafts 53, 63 to the trunnion shaft 7 of the HST 3, in the case 12B. COPYRIGHT: (C)2007,JPO&INPIT
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