DENTAL PREPARATION INSTRUMENT HAVING A TOOL THAT ROTATES IN AN ALTERNATELY REVERSIBLE MANNER
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United States of America Patent
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app pub date -
Sep 30, 2012
filing date -
Sep 28, 2012
priority date (Note) -
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Abstract
The invention relates to a dental preparation instrument (1), comprising a tool (6) that rotates in an alternately reversible manner, wherein the preparation instrument (1) has a drive (2) for the tool (6). The drive (2) provides a continuous fully rotational motion (7), and a gearing (43) is arranged before the tool (6). Said gearing converts the continuous fully rotational motion (7) of the drive (2) into an alternately reversing rotational motion (8), which is continuous as viewed over several reversals.
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Family
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