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Toothbrush with linear and rotary fields

  • US 6,813,793 B2
  • Filed: 09/27/2002
  • Issued: 11/09/2004
  • Est. Priority Date: 09/27/2002
  • Status: Expired due to Fees
First Claim
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1. A toothbrush comprising:

  • a handle portion having a neck formed at one end; and

    a head coupled to the neck, the head including a first bristle carrier coupled to the head and having a first bristle field extending outwardly therefrom, said first bristle carrier being operatively connected to a drive mechanism for moving said first bristle field in a first path of motion;

    a second bristle field extending from a base support of said head; and

    an extension having an end attached to said first bristle carrier and extending outwardly therefrom, not in contact with said base and at least partially into said second bristle field whereby said extension moves upon movement of said first bristle carrier to move said second bristle field in a second path of motion.

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