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US 4,538,315 AGranted
Dental hygiene apparatus having a plurality of rotating brushes
OwnerFrederic Barthinventor
Life of this patent
Estimating the term…
Abstract
A dental hygiene apparatus having five incurvated, flexible, rotating brushes mounted in a H-shaped arrangement on a housing which comprises an open brush holder portion matching with two opposed half dental arches and consists of an outer cheek-guard and an inner tongue-guard, and a closed biting portion provided with a pair of opposite restrictions for receiving the incisor teeth of the other two half dental arches.
Claims9
A dental hygiene apparatus having a plurality of incurvated flexible rotating brushes for simultaneously cleaning the teeth of two opposed mandibles by brushing in a gum to tooth direction, said apparatus comprising
- a housing for mounting said brushes,
- said housing defining an open brush holder being shaped as an arcuate sector and having a length and incurvated shape matching that of two opposed half dental arches,
- said open brush holder portion including an inner tongue-guard and a cheek guard,
- said tongue-guard and said cheek guard being spaced apart by at least two transverse spacers,
- said plurality of brushes consisting of five incurvated brushes mounted in an H-shaped configuration on said spacers, said H-shape being formed by mounting each of four of said five brushes on said spacers at the four ends of said H-shaped configuration and by mounting the fifth of said five brushes at a center point of the horizontal leg of said H-shaped configuration,
- and means for simultaneously rotating said brushes,
- said housing including upper and lower restrictions defining a biting portion for receiving the upper and lower incisor teeth of the opposite two half dental arches to lock said apparatus in the mouth as said apparatus is bitten by the incisor teeth at said restrictions.
4 more elements
Dependencies are inferred from the claim text.