| 摘要 |
PROBLEM TO BE SOLVED: To constitute a travel shift structure so as to easily perform operation of a clutch according to shift operation by providing a lock mechanism capable of freely fixing a shift lever and releasing a fixation in respective ones of a neutral stopping position and a shift position. SOLUTION: A lock operation tool 57 capable of freely switching a lock mechanism 56 over a fixing position and a fixation releasing position is provided on a shift lever 28 so as to be operable by a hand holding the shift lever 28. Thus, the shift lever 28 is operated by operating the lock mechanism 56 to the fixation releasing position by the lock operation tool 57, and the lock mechanism 5 is operated again to the fixing position by the lock operation tool 57 to fix the shift lever 28 to an operated position. For example, when operating the lock mechanism 56 is operated to the fixation relasting position by the lock operation tool 57, a hydraulic clutch arranged in series to a gear shift device 12 is automatically operated to the transmission cutoff side to thereby perform shift operation of the gear shift device 12 by operating the shift lever 28. |
