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Electric toothbrush with 3-dimensional brush head movements

  • US 20040049868A1
  • Filed: 09/13/2002
  • Published: 03/18/2004
  • Est. Priority Date: 09/13/2002
  • Status: Abandoned Application
First Claim
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1. An electric toothbrush including a brush head with bristles, an elongated main housing, a motion transmission link, motion generating means and motion transformation means, wherein:

  • said brush head includes an elongated stem for connecting said brush head to said motion generating means via said motion transmission link, said motion generating means include means for generating reciprocating motions along a longitudinal axis, said motion transmission link transmits the reciprocating motions generated by said motion generating means along said longitudinal axis to said elongated stem of said brush head, said elongated stem is rotatable about said longitudinal axis while undergoing said reciprocating motions said longitudinal axis, and said motion transformation means include means to rotate said brush head about said longitudinal axis while said elongated stem is undergoing reciprocating longitudinal motions along said longitudinal axis.

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