| 摘要 |
PROBLEM TO BE SOLVED: To provide an operator cab eliminating displeasure to an operator to improve operability by easing or preventing rotational movement such as lateral swinging or rolling and pitching even if a horizontal force by turning, etc., acts. SOLUTION: In a construction machine wherein an upper revolving body is turnably mounted on a lower travel body and an operator cab is mounted on the upper revolving body, a supporting device is interposed between the operator cab and a revolving frame constituting the revolving super structure and a vibration-proof weight is attached to the lower part of the operator cab to prevent lateral swinging or rolling and pitching. COPYRIGHT: (C)2004,JPO
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