Spring motor assembly
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United States of America Patent
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Jan 7, 1997
Grant Date -
N/A
app pub date -
Apr 14, 1995
filing date -
Apr 14, 1995
priority date (Note) -
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Abstract
A spring motor having a large number of flat spiral wound springs connected in series is shown which allows storage of large amounts of energy in a small amount of cubic space. Only a small force is required for full wind up of the assembly. Energy can be simultaneously stored and withdrawn.
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