| 摘要 |
A revolving deck for an earthmoving machinery, which is shaped to be kept away from contact with an obstacle due to being within the tail swing radius of the counter weight and which can be made light in weight.A revolving deck is formed, as seen in the top plan view, to have a swing radius R substantially equal to that of the counter weight, and is made of an integral skeleton structure in which a main frame and side frames are jointed by overhanging beams. The side frames are made to act as revolving frame guards.
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