Electric toothbrushes
First Claim
1. An electric toothbrush comprising:
- a housing, a brush head, and a neck extending between said housing and said brush head, said housing defining a hollow interior;
a movable bristle carrier disposed on said brush head;
a motor disposed in said hollow interior of said housing, said motor operatively connected to said movable bristle carrier to impart oscillating motion thereto; and
a first plurality of tufts arranged in a first ring on said movable bristle carrier, each of said first plurality of tufts comprising a plurality of first bristles;
a second plurality of tufts arranged in a second ring inside of said first ring on said movable bristle carrier, each of said second plurality of tufts comprising a plurality of second bristles;
wherein at least some of said second plurality of tufts have a diameter that is greater than a diameter of at least some of said first plurality of tufts.
3 Assignments
0 Petitions
Accused Products
Abstract
An electric toothbrush is provided. The electric toothbrush includes a housing, a brush head, and a neck extending between the housing and the brush head. The housing has a hollow interior. A movable bristle carrier is disposed on the brush head. An electric motor is disposed in the hollow interior of the housing, and the motor is operatively connected to the movable bristle carrier to impart a rotating or oscillating motion thereto. A first plurality of tufts are arranged in a first ring of the movable bristle carrier, each of the first plurality of tufts has a plurality of first bristles. A second plurality of tufts is arranged in a second ring inside of the first ring. Each of the second plurality of tufts has a plurality of second bristles, wherein at least some of the second plurality of tufts have a diameter that is greater than a diameter of at least some of the first plurality of tufts.
148 Citations
20 Claims
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1. An electric toothbrush comprising:
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a housing, a brush head, and a neck extending between said housing and said brush head, said housing defining a hollow interior;
a movable bristle carrier disposed on said brush head;
a motor disposed in said hollow interior of said housing, said motor operatively connected to said movable bristle carrier to impart oscillating motion thereto; and
a first plurality of tufts arranged in a first ring on said movable bristle carrier, each of said first plurality of tufts comprising a plurality of first bristles;
a second plurality of tufts arranged in a second ring inside of said first ring on said movable bristle carrier, each of said second plurality of tufts comprising a plurality of second bristles;
wherein at least some of said second plurality of tufts have a diameter that is greater than a diameter of at least some of said first plurality of tufts. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An electric toothbrush, comprising:
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a housing, a brush head, and a neck extending between said housing and said brush head, said housing defining a hollow interior;
a movable bristle carrier disposed on said brush head;
a motor disposed in said hollow interior of said housing, said motor operatively connected to said movable bristle carrier to impart oscillating motion thereto; and
a first plurality of tufts arranged in a first ring on said movable bristle carrier, each of said first plurality of tufts comprising a plurality of first bristles;
a second plurality of tufts arranged in a second ring inside of said first ring on said movable bristle carrier, each of said second plurality of tufts comprising a plurality of second bristles;
wherein at least some of said second plurality of tufts have a diameter that is greater than a diameter of at least some of said first plurality of tufts; and
wherein at least some of said second bristles have a diameter equal to or greater than the largest diameter of said first bristles. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification