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Oral care implement with mechanical energy harvesting

  • US 8,424,146 B2
  • Filed: 07/30/2012
  • Issued: 04/23/2013
  • Est. Priority Date: 06/25/2008
  • Status: Active Grant
First Claim
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1. An oral care implement, comprising:

  • a head coupled to a handle, the head having to field of cleaning elements, at least one flex joint, and a piezoelectric device located at the flex joint;

    a handle having an electromagnetic generator with a coil and a magnet configured to pass through the coil;

    a rectifier circuit coupled to the coil and the piezoelectric device; and

    a storage device for storing electrical energy from the rectifier circuit.

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