SONIC ELECTRIC TOOTHBRUSH
First Claim
Patent Images
1. A toothbrush comprisinga brush head including a plurality of bristles;
- a motor having a drive shaft;
a linkage assembly comprising a planetary gear arrangement connected to the drive shaft; and
an output shaft connected to the linkage assembly and the brush head;
whereinthe linkage assembly converts a rotating movement of the drive shaft into an oscillating movement; and
the output shaft transmits the oscillating movement to the plurality of bristles.
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Accused Products
Abstract
The present disclosure relates to a sonic oscillating toothbrush. The toothbrush includes a brush head including a plurality of bristles, a motor having a drive shaft, a linkage assembly connected to the drive shaft, and an output shaft connected to the linkage assembly and the brush head. The linkage assembly coverts a rotating movement of the drive shaft into an oscillating movement and the output shaft transmits the oscillating movement to the plurality of bristles.
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Citations
20 Claims
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1. A toothbrush comprising
a brush head including a plurality of bristles; -
a motor having a drive shaft; a linkage assembly comprising a planetary gear arrangement connected to the drive shaft; and an output shaft connected to the linkage assembly and the brush head;
whereinthe linkage assembly converts a rotating movement of the drive shaft into an oscillating movement; and the output shaft transmits the oscillating movement to the plurality of bristles. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An oral cleaning device comprising
an motor having a drive shaft; -
a planetary gear linkage coupled to the drive shaft; and a brush shaft connected to the planetary gear linkage;
whereinthe planetary gear linkage oscillates the brush shaft in response to rotation of the drive shaft. - View Dependent Claims (19, 20)
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Specification