| 摘要 |
PROBLEM TO BE SOLVED: To provide a structurally simple and inexpensive attachment for a power shovel which prevents a driving cylinder from being damaged by a collision of a foreign matter and the like, and which facilitates the maintenance of the driving cylinder. SOLUTION: Since at least rod 14b parts of respective hydraulic cylinders 14 are covered with cylinder covers 20, damage to the respective hydraulic cylinders 14 caused by a collision of scrap and the like can be prevented by a simple and inexpensive structure. In the maintenance of the respective hydraulic cylinders 14, a corresponding lid body 22 is removed so that a window 21 can be opened, and maintenance operations of the respective hydraulic cylinders 14 can be performed by the window 21. COPYRIGHT: (C)2005,JPO&NCIPI
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