Concentric Arc Spline Rotational Spring
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United States of America Patent
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Issued Date -
Apr 14, 2016
app pub date -
Jul 7, 2015
filing date -
Oct 9, 2014
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Abstract
A planar torsion spring where the spring comprises a first outer ring and a second inner ring. The inner ring is positioned within the first outer ring and possesses a same axis of rotation. The outer ring is connected to the inner ring with one or more splines. Each spline extends in one or more concentric arc segments to a maximum circumference relative to the position of the next concentric arc between the outer ring and the inner ring. The outer ring, the inner ring and the spline concentric arcs segments are positioned in the same plane. At least one spline connects the outer ring to the inner ring. The spline is positioned in a plurality of concentric arcs segments and sequentially positioning each arc to a maximum circumferential length relative to its position between the outer ring and inner ring.
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