| 摘要 |
PROBLEM TO BE SOLVED: To provide a turning device for a combine capable of making fine adjustments in the running direction of the combine body with high response performance by operating switches mounted on a rotating-operation-type steering operation means. SOLUTION: This turning device is constructed so as to differentially move right and left axles by the fact that an output from an infinite variable-speed drive (1) for traveling is combined with an output from a infinite variable-speed drive (5) for steering by right and left planetary gear mechanisms 3L, 3R. The right and left output shafts of the right and left planetary gear mechanisms (3L, 3R) work with right and left axles (11L, 11R) through right and left side clutches (12L, 12R). The rotating-operation-type steering operation means (13) for shifting gears of the infinite variable-speed drive 5 for steering is equipped with the switches (14L, 14R) for intermittently operating the right and left side clutches (12L, 12R). COPYRIGHT: (C)2007,JPO&INPIT
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