| 摘要 |
PROBLEM TO BE SOLVED: To firmly install an operator protection unit by using a high strength support frame having four pillars astride an engine rearward of a base of a revolver and having a rectangular shape in plan view, erect and install the operator protection unit 13 in the vicinity of the engine 3 and compactly constitute a superstructure of the base of the revolver 2. SOLUTION: The support frame 4 having the four pillars and having a rectangular shape in plan view is installed rearward of the base of the revolver 2 astride the engine 3. A mounting part 62a for mounting the operator protection unit 13 is formed on a rear beam member 62 connecting the top ends of the two rear pillars 4C and 4D of the support frame 4. The operator protection unit 13 is installed on the mounting part 62a. COPYRIGHT: (C)2006,JPO&NCIPI
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