Denture attachment
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United States of America Patent
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Jul 6, 2010
Grant Date -
Feb 15, 2007
app pub date -
Feb 16, 2004
filing date -
Feb 17, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dental attachment includes a magnet element delivering a magnetic attraction force, a yoke made of a soft magnetic material and having a recess for housing the magnet element, and a disc consisting of the soft magnetic material and joined to the yoke so as to close the opening of the recess with the magnet element housed in the recess. The yoke has an almost disc shape and has collars protruding radially outwardly from the outer peripheral surface thereof. The collars are formed to be separated in at least two locations in a substantially peripheral direction, and non-protruding portions having radially outward projection amounts of zero or up to 50% of the maximum projection amount at the collars are provided between respective collars.
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Family
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