Rotation device
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United States of America Patent
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Dec 10, 2013
Grant Date -
Nov 29, 2012
app pub date -
Jan 6, 2011
filing date -
Jan 14, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
There is provided a rotation device comprising a rotatable output axis arranged to have its axis line extending in a horizontal direction perpendicular to the direction of gravity, a plurality of shafts each having one end attached to the output axis, a plurality of first heavy weights each supported on the other end of the shafts, second heavy weights supported slidably by and along the respective shafts at a position nearer the output axis in relation to the first heavy weights, and an eccentric guide member for supporting slidably the second heavy weights to make the rotational orbit of the second heavy weights associated with the rotation of the output axis eccentric to the axial center of the output axis.
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