| 摘要 |
PROBLEM TO BE SOLVED: To provide a working machine capable of performing work below a beam protruding down to a low level. SOLUTION: An arm cylinder 17 and a working device cylinder 18 which form projections in a condition in which they are swung while a second boom 6 and an arm 7 are extended forward and substantially linearly are arranged inside the second boom 6 and the arm 7, respectively. A pipe to a working device and a pipe for driving the working device are provided through a space part formed between two splitting pins of a connection part of a first boom 5 and the second boom 6 and a connection part of the second boom 6 and the arm 7. COPYRIGHT: (C)2005,JPO&NCIPI
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