Electric toothbrush comprising an electrically powered element
First Claim
Patent Images
1. An electric toothbrush comprising:
- (a) a handle, a head, and a neck extending between said handle and said head, said handle defining a hollow interior region, said electric toothbrush having a longitudinal axis;
(b) said head comprising at least one electrically powered element;
(c) at least one movable bristle holder disposed on said head; and
(d) a motor disposed in said hollow interior region defined in said handle, wherein said motor is operatively connected to said movable bristle holder by a drive shaft.
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Abstract
A toothbrush having an electrically powered element disposed on a head of an electric toothbrush. The electrically powered element can be a light emitting element such as a light emitting diode. Further the electrically powered element can serve as a pin and/or axis of motion for a movable bristle holder positioned along the face of the brush head.
138 Citations
33 Claims
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1. An electric toothbrush comprising:
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(a) a handle, a head, and a neck extending between said handle and said head, said handle defining a hollow interior region, said electric toothbrush having a longitudinal axis;
(b) said head comprising at least one electrically powered element;
(c) at least one movable bristle holder disposed on said head; and
(d) a motor disposed in said hollow interior region defined in said handle, wherein said motor is operatively connected to said movable bristle holder by a drive shaft. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A head portion of an electric toothbrush for connecting to a handle portion, said head portion comprising:
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(a) an electrically powered element; and
(b) at least one movable bristle holder disposed on said head, wherein said electrically powered element is a pin which is an axis of rotation for said movable bristle holder.
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22. A drive shaft for an electric toothbrush comprising:
said drive shaft extending between a motor and a movable bristle holder, wherein said drive shaft comprises at least one lateral displacement portion which bypasses an electrically powered element disposed on said toothbrush, and wherein said electrically powered element does not interfere with the motion of said drive shaft. - View Dependent Claims (23)
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24. An electric toothbrush comprising:
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(a) a head, comprising at least one movable bristle holder;
(b) a handle, having a motor disposed therein;
(c) a light emitting element; and
(d) a drive shaft operatively connecting said motor to said movable bristle holder, wherein at least a portion of said drive shaft is transparent. - View Dependent Claims (25, 26)
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27. An electric toothbrush comprising:
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(a) a head, comprising at least one movable bristle holder;
(b) a handle, having a motor disposed therein;
(c) an electrically powered element; and
(d) a drive shaft operatively connecting said motor to said movable bristle holder, wherein said drive shaft is disposed underneath said electrically powered element.
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28. A drive shaft for an electric toothbrush comprising an electrically powered element, wherein said electrically powered element is disposed on said drive shaft.
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29. An electric toothbrush comprising:
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(a) a handle;
(b) a head;
(c) a light emitting element;
(d) a drive shaft, wherein said drive shaft is located between said light emitting element and a portion of said toothbrush from which light from said light emitting elements emits;
(e) and reflecting elements which reflect said light from said light emitting elements around said drive shaft and to said portion of said toothbrush from which said light emits.
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30. A head portion of an electric toothbrush for connecting to a handle portion, said head portion comprising:
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(a) an electrically powered element;
(b) at least one movable bristle holder; and
(c) at least one channel. - View Dependent Claims (31, 32, 33)
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Specification