| 摘要 |
<P>PROBLEM TO BE SOLVED: To lower costs while suppressing interference between adjacent routed bodies, and to suppress a decrease in strength of a frame of a machine through which a routed body is run. <P>SOLUTION: A routed body passage hole 10 is bored in a vertical plate provided to an upper frame of a shovel. The routed body passage hole 10 is formed in a gourd shape such that a first hole part 14 through which a first routed body 11 is run and a second hole part 15 through which a second routed body 12 is run communicate with each other through a groove-like communication part 16, and diameter sizes A, B of both the routed bodies 11, 12 and a width size C of the communication part 16 are so set that A>C>B. <P>COPYRIGHT: (C)2013,JPO&INPIT |
