Electric toothbrush
First Claim
1. An electric toothbrush comprising:
- an elongated body portion having opposed first and second ends, a hollow portion and a longitudinal axis;
a head attached to said first end;
a motor located within said hollow portion of said elongated body portion;
a plurality of gears located in said hollow portion, wherein said motor is operatively connected to one of said gears;
at least one swivel arm, said at least one swivel arm being pivotably connected to one of said gears; and
a shaft operatively connected to said at least one swivel arm at a shaft first end.
2 Assignments
0 Petitions
Accused Products
Abstract
An electric toothbrush comprising an elongated body portion and a head including a static portion and a circular portion, a handle, and an angled shaft between the head and the handle. The circular portion rotates or reciprocates about an axis normal to a longitudinal axis of the head. The circular portion includes stiff bristles and the static portion includes soft bristles. The elongated body portion is hollow and further includes a motor in the hollow portion, which is operatively connected to the circular portion for rotating or oscillating or reciprocating the circular portion. A battery is located within the hollow section for powering the motor. A switch is operatively connected to the motor to provide momentary and continuous operation of the toothbrush. A worm gear and a pair of step gears are located in the hollow portion. The motor is operatively connected to the worm gear and the step gears are operatively connected to the worm gear and to each other. One of the step gears is offset with respect to a longitudinal axis of the elongated body portion. A shaft which is operatively connected to the offset step gear and to a second end to the circular portion. Alternately, the toothbrush comprises a plurality of gears and swivel arms which move the brush head moving portion in a rotating, oscillating or reciprocating manner.
73 Citations
27 Claims
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1. An electric toothbrush comprising:
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an elongated body portion having opposed first and second ends, a hollow portion and a longitudinal axis;
a head attached to said first end;
a motor located within said hollow portion of said elongated body portion;
a plurality of gears located in said hollow portion, wherein said motor is operatively connected to one of said gears;
at least one swivel arm, said at least one swivel arm being pivotably connected to one of said gears; and
a shaft operatively connected to said at least one swivel arm at a shaft first end. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27)
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23. An electric toothbrush comprising:
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an elongated body portion having opposed first and second ends, a hollow portion and a longitudinal axis;
a head attached to said first end;
a motor located within said hollow portion of said elongated body portion;
a first gear and a second gear located in said hollow portion, wherein said motor is operatively connected to said first gear, said first gear is connected to said second gear;
first, second and third swivel arms, wherein said first swivel arm is connected to said first gear, said second swivel arm is pivotably connected to said first swivel arm;
a shaft operatively connected to said second swivel arm at a shaft first end and operatively connected to said third swivel arm at a shaft second end;
wherein said head further comprises a moving portion, wherein said third swivel arm is connected to said moving portion.
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Specification