Tooth-brushing machine
First Claim
Patent Images
1. A tooth brushing machine, comprising a hollow nozzle having a tip with a water-spraying opening;
- a single bundle of bristles extending through said water-spraying opening; and
means for reciprocating said single bundle of bristles in said water-spraying opening so as to move said single bundle of bristles in and out of said water-spraying opening to act efficiently on user'"'"'s teeth, said water spraying opening and said bundle of bristles being formed so as to form between said bundle of bristles and an inner surface of said opining a gap through which water is sprayed outwardly from said water-spraying opening around said reciprocating single bundle of bristles to act efficiently on user'"'"'s teeth.
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Accused Products
Abstract
Large-diameter cylindrical portion (3) is formed in water passage (2) of a water-spraying nozzle (1) in the vicinity of the tip portion of said nozzle. Piston (5) which is housed in aforementioned cylindrical portion (3) is driven in a reciprocating manner, so that the tip portion of bristle bundle (4) which is implanted in the front surface of aforementioned piston (5) is caused to move in and out via water-spraying opening (6) located at the tip of aforementioned nozzle (1).
51 Citations
7 Claims
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1. A tooth brushing machine, comprising a hollow nozzle having a tip with a water-spraying opening;
- a single bundle of bristles extending through said water-spraying opening; and
means for reciprocating said single bundle of bristles in said water-spraying opening so as to move said single bundle of bristles in and out of said water-spraying opening to act efficiently on user'"'"'s teeth, said water spraying opening and said bundle of bristles being formed so as to form between said bundle of bristles and an inner surface of said opining a gap through which water is sprayed outwardly from said water-spraying opening around said reciprocating single bundle of bristles to act efficiently on user'"'"'s teeth. - View Dependent Claims (2, 3, 4, 5, 6)
- a single bundle of bristles extending through said water-spraying opening; and
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7. A tooth brushing machine comprising a hollow nozzle having a tip with a water-spraying opening communicating an interior of said nozzle with an exterior a single bundle of bristles extending through said water-spraying opening and means for reciprocating said bundle of bristles in said water-spraying opening so as to move said single bundle of bristles in and out of said water-spraying opening whereby alternatingly when said bundle of bristles is moved in said water-spraying opening said bundle of bristles acts efficiently on user'"'"'s teeth, while when said bundle of bristles is moved out said water-spraying opening water is sprayed outwardly through said water-spraying opening to act efficiently on user'"'"'s teeth.
Specification