| 摘要 |
PROBLEM TO BE SOLVED: To lock a cab with a simplified device. SOLUTION: A cab 6 is freely revolvably installed on cab floor 4 so that front and rear directions may be reversed with a traveling lever 5 as a center. On front and rear sides of the cab floor 4, pedals 20, 21 are provided, respectively. A lock device main body 24 locking the cab 6 is provided on a back part of the cab 6 and either one side of the pedals 20, 21. On the other side of each petal 20, 21, locking means 20a, 21a locking a lock member of the lock device main body 24 are provided.
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