COMPONENT FOR A TIMEPIECE MOVEMENT
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United States of America Patent
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Issued Date -
Jan 25, 2018
app pub date -
Jul 17, 2017
filing date -
Jul 19, 2016
priority date (Note) -
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Abstract
The invention relates to a pivot arbor comprising a metal pivot (3) at each of its ends. The metal is a non-magnetic copper alloy in order to limit its sensitivity to magnetic fields, and at least the outer surface (5) of one of the two pivots (3) is deep-hardened to a predetermined depth with respect to the rest of the arbor to harden the pivot or pivots (3).
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