Dental pin and bushing assembly with snap detent
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United States of America Patent
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N/A
Issued Date -
Dec 18, 2003
app pub date -
Jun 13, 2002
filing date -
Jun 13, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A dental pin and bushing assembly for coupling of a removable die of a tooth to a working cast. The pin includes an axially extending head that can be secured in the die. The bushing is secured in the working cast, and includes an elongated sleeve with an interior shape for receiving the pin. A collar depends from the head of the pin for positionally locating the pin in a recess in the elongated sleeve. A body of the pin depends from the collar, and is co-axial with the head portion. An interior annular ring in the elongated sleeve mates with an annular groove of the pin when the collar portion is fully seated in the recess. The geometries of the annular ring and groove are such that the interior annular ring snaps into the annular groove, and thereby provides tactile feedback to the dental technician signaling that the pin is fully seated in the bushing.
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