Hand piece for dental or surgical applications
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United States of America Patent
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Aug 1, 2017
Issued Date -
N/A
app pub date -
Jun 24, 2015
filing date -
Jun 27, 2014
priority date (Note) -
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Abstract
A handpiece for dental or surgical applications has a chuck for rotatably clamping a tool such as a bur, the chuck being drivingly connectable to a drive mechanism such as to rotate the tool about a rotation axis thereof, a push button operatively connected to the chuck, configured to release the tool from the chuck upon depressing the push button, a spherical element, preferably a ball, fitted within or mounted at the push button, arranged and configured such that, when the push button is depressed, the spherical element enters into contact with the chuck, the spherical element being of a material with a high hardness on the Vickers scale of >2000.
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