| 摘要 |
PROBLEM TO BE SOLVED: To provide an auxiliary weight device capable of improving the stabilizing performance at a necessary revolving angle even in a small truck crane suitable for a narrow job site in consideration of the working condition of a truck crane such as a rough terrain crane, an alter lane crane or the like in the actual job site. SOLUTION: A connecting beam demountable to each slide beam connects the longitudinally or laterally expanded slide beams of an outrigger, and an auxiliary weight is mounted slidably to the connecting beam.
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