Magnetic jewelry clasp
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United States of America Patent
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Jun 17, 2014
Grant Date -
Dec 1, 2011
app pub date -
May 27, 2011
filing date -
Jun 1, 2010
priority date (Note) -
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Abstract
A clasp in which magnetic leakage is reduced includes a pair of pieces which are to be engaged with each other. Both pieces, when being engaged, both may rotate about an axis common to both pieces. Both pieces are provided with a pair of permanent magnets held in both pieces. Both permanent magnets have front and rear surfaces in which multiple poles are magnetized, and when both pieces are engaged, the front surfaces of both permanent magnets face each other.
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