| 摘要 |
PROBLEM TO BE SOLVED: To increase work efficiency by easily performing inspection operation and replacement operation for a slide pad in a state of rear visibility secured in traveling and working. SOLUTION: The boss member 43 of a connection device 42 is positioned on the rear end side of a first boom section 13 between an upper side slide pad 19 and a lower side slide pad 21. Accordingly, since the height dimensions of the first boom section 13 at its rear end and a traveling body 2 at its rear part can also be suppressed to increase the rear visibility in traveling and working. Moreover, a work space for inspecting and maintaining the slide pads 19 and 21 can be formed between the first boom section 13 and the boss member 43 of the connection device 42. Thus, the operation to inspect the slide pads 19 and 21 for wear and damage and the replacement operation can be easily performed. COPYRIGHT: (C)2006,JPO&NCIPI
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