Retractable protective covering assembly for selectively exposing a working end of a dental instrument
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United States of America Patent
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Jun 11, 2019
Grant Date -
N/A
app pub date -
Dec 21, 2017
filing date -
Dec 21, 2017
priority date (Note) -
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Abstract
A retractable protective covering assembly enabling a dental operator to selectively expose and cover a distal portion of a working end of a dental instrument during an intraoral examination of a dental patient, including a base component releasably attachable about the exterior of a length of a rigid linear shaft of the dental instrument, a cover component coupled to the base component, a coupling mechanism coupling the cover component to the base component, and a biasing element interposed between a proximal end of the cover component and an exterior surface the dental instrument rigid linear shaft, wherein the biasing element exerts a generally upward force against the proximal end portion of the cover component and urges a dental working end cover portion downwardly such that a distal end portion of the dental working end cover portion extends below the working end distal portion of the dental instrument.
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