BARREL SPRING
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United States of America Patent
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Issued Date -
Apr 4, 2013
app pub date -
May 23, 2011
filing date -
May 27, 2010
priority date (Note) -
Abandoned
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Abstract
A barrel spring (10) for a mechanism driven by a mainspring, in particular for a timepiece, includes a unitary ribbon of metallic glass. The object is to integrate at least one additional function to the spring function, implemented by a functional portion integrated in the spring.
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