Complex motion toothbrush
First Claim
1. An electric toothbrush, comprising:
- a handle at a first end of the toothbrush having a motor disposed therein;
a head at a second end of the toothbrush, the head having a longitudinal axis, the head having a first bristle holder with a plurality of bristle tufts and a second bristle holder with a plurality of bristle tufts, each of the bristle tufts of the first and second bristle holders having a base end connected to its respective bristle holder and an opposite free end; and
a motor operatively connected to the first bristle holder to oscillate the first bristle holder about a first axis passing through the first bristle holder and generally perpendicular to the longitudinal axis of the head, and wherein the motor is operatively connected to the second bristle holder to move the second bristle holder in a generally linear side-to-side direction along a second axis generally transverse to the longitudinal axis of the heads wherein the base ends of the tufts of the second bristle holder move in unison and in the same direction with the free ends thereof.
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Accused Products
Abstract
A detachable head for use with an electric toothbrush is provided. The electric toothbrush has a handle with a motor disposed therein at a first end of the toothbrush. The toothbrush also has a head at a second end, the head having a longitudinal axis, the head also having a first bristle holder with a plurality of bristle tufts and a second bristle holder with a plurality of bristle tufts. The motor is operatively connected to the second bristle holder to move the second bristle holder in a side-to-side direction with respect to the head. The motor is also operatively connected to the first bristle holder to oscillate the first bristle holder about an axis passing through the first bristle holder and generally perpendicular to the longitudinal axis of the head.
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Citations
33 Claims
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1. An electric toothbrush, comprising:
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a handle at a first end of the toothbrush having a motor disposed therein; a head at a second end of the toothbrush, the head having a longitudinal axis, the head having a first bristle holder with a plurality of bristle tufts and a second bristle holder with a plurality of bristle tufts, each of the bristle tufts of the first and second bristle holders having a base end connected to its respective bristle holder and an opposite free end; and a motor operatively connected to the first bristle holder to oscillate the first bristle holder about a first axis passing through the first bristle holder and generally perpendicular to the longitudinal axis of the head, and wherein the motor is operatively connected to the second bristle holder to move the second bristle holder in a generally linear side-to-side direction along a second axis generally transverse to the longitudinal axis of the heads wherein the base ends of the tufts of the second bristle holder move in unison and in the same direction with the free ends thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A replaceable head for an electric toothbrush, comprising:
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a distal end and a connecting end for connecting to a toothbrush handle or neck; a longitudinal axis; a first bristle holder comprising a plurality of bristle tufts; and
a second bristle holder comprising a plurality of bristle tufts, each of the bristle tufts of the first and second bristle holders having a base end connected to its respective bristle holder and an opposite free end; anda drive system, wherein the drive system comprises a shaft and a cam, and wherein the drive system engages the first bristle holder to oscillate the first bristle holder about a first axis passing through the first bittle holder and generally perpendicular to the longitudinal axis of the head, and wherein the drive system engages the second bristle holder to move the second bristle holder in a side-to-side direction, wherein the base ends of the tufts of the second bristle holder move in unison and in the same direction with the free ends thereof, wherein the engagement between the second bristle holder and the drive system occurs between the cam and the second bristle holder. - View Dependent Claims (21, 22, 23, 24)
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25. A replaceable head for an electric toothbrush, comprising:
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a distal end and a connecting end for connecting to a toothbrush handle or neck; a longitudinal axis; a first bristle holder comprising a plurality of bristle tufts; and a second bristle holder comprising a plurality of bristle tufts and a depending element, wherein the depending element depends from a bottom surface of the second bristle holder; each of the bristle tufts of the first and second bristle holders having a base end connected to its respective bristle holder and an opposite free end; and a drive system, wherein the drive system engages the first bristle holder to oscillate the first bristle holder about a first axis passing through the first bristle holder and generally perpendicular to the longitudinal axis of the head, and wherein the drive system engages the second bristle holder to move the second bristle holder in a side-to-side direction, wherein the base ends of the tufts of the second bristle holder move in unison and in the same direction with the free ends thereof, wherein the engagement between the drive system and the second bristle holder is between the drive system and the depending element, wherein the depending element is not directly coupled to the drive system. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33)
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Specification