| 摘要 |
A vibratory compactor includes a plate which is adapted to contact a substrate to be compacted, and a vibratory member which is mounted atop the plate for vibrating the same. The member includes imbalance elements mounted for rotation about an axis which is substantially parallel to the general plane of the plate. The imbalance elements are mounted for movement to and from a position which they assume once during each revolution. The compactor is further provided with a driving member for driving the imbalance elements in rotation.
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