| 摘要 |
PROBLEM TO BE SOLVED: To provide an operator cab removing an unpleasant feeling imparting to operators and improving operability by preventing or relieving a lateral vibration even when a horizontal force works due to a revolving motion. SOLUTION: In a construction machine in which an upper revolving body is rotatably mounted on a lower traveling body, and an operator cab is mounted on the upper revolving body, a support device is interposed between the operator cab and a revolving frame constituting the upper revolving body and lateral vibrations are prevented by equipping a kinetic vibration-absorber in the operator cab. COPYRIGHT: (C)2004,JPO
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