| 摘要 |
<p>PCT No. PCT/JP80/00192 Sec. 371 Date Dec. 2, 1980 Sec. 102(e) Date Dec. 2, 1980 PCT Filed Aug. 22, 1980 PCT Pub. No. WO82/00676 PCT Pub. Date Mar. 4, 1982.Control handle structure of an excavation work vehicle comprising; two maneuvering levers (14),(15) operable crosswise in back-and-forth and right-and-left directions of the vehicle body, maneuvering valves (V1), (V2),(V5),(V8) for boom swiveling, arm rocking, bucket pivoting and boom up-and-down rocking, and an interlocking mode change-over mechanism (30) disposed between said two maneuvering levers (14),(15) and said maneuvering valves (V1),(V2),(V5),(V8) for changing the mode of the interlocking therebetween, whereby any maneuvering mode properly suited to an operator may be readily realized, thus resulting in enhancing work efficiency and decreasing possibility of erroneous maneuvering.</p> |
