DENTAL HANDPIECE SWIVEL COUPLING WITH AN AUTOCLAVABLE ILLUMINATOR ASSEMBLY
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United States of America Patent
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N/A
Issued Date -
Mar 1, 2012
app pub date -
Aug 30, 2010
filing date -
Aug 30, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A swivel coupling for coupling a dental handpiece to a dental-handpiece hose assembly. An optical transmission element extends from the chamber. An illuminator assembly is removably retained in the chamber. The illuminator assembly has an emitter in register with the optical transmission element. The emitter is mounted on a substrate having an anode pad and a cathode pad electrically connected to the emitter. A first differential-thermal-expansion compliant conductor is in continuous electrical contact with the anode pad and an anode pin. A second differential-thermal-expansion compliant conductor is in continuous electrical contact with the cathode pad and a cathode pin. A heat sink is thermally coupled to the substrate. A differential-thermal-expansion load applicator is operatively coupled to the substrate and to a surface of the chamber. The differential-thermal-expansion load applicator is configured to maintain a thermal interface between the substrate and the heat sink in continuous compression.
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