| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the workability of a working machine during moving work. <P>SOLUTION: The working machine includes: an undercarriage including a running gear, a center frame, and side frames; a superstructure provided on the upper part of the undercarriage in a revolvable manner; an operator cab provided on the front part at the approximate horizontal center of the superstructure; two working arms provided on the right and left sides of the front part of the superstructure in a vertically rockable manner, respectively; an operation device for operating the working arms; and a visible member provided on the undercarriage within the visible range of an operator in the operator cab for confirming whether a center line extending in the longitudinal direction of the undercarriage and a center line extending in the longitudinal direction of the superstructure are parallel to each other or not. <P>COPYRIGHT: (C)2012,JPO&INPIT |
