| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem: attachment requires much labor because alignment is difficult, when a bonnet is attached to a floor step from above.SOLUTION: A notched part, the front of which is opened, is formed on a floor step 26; parallel guide grooves 31 (guide parts) are formed on right and left sides along right and left edges 30a of the notched part 30, respectively; and a bonnet 16 is attached in such a manner as to slide along the guide grooves 31 from the front of a traveling machine body 5. At least a rear part of the guide groove 31 comprises a groove 35 that is formed in a U-shape in a frontal view, and the bonnet 16 is fitted into the groove 35. |
