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Work device shaft for the electric drive mechanism of a toothbrush

  • US 5,213,434 A
  • Filed: 11/08/1991
  • Issued: 05/25/1993
  • Est. Priority Date: 11/29/1990
  • Status: Expired due to Fees
First Claim
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1. A plug-in connector for use with an electric toothbrush having a tooth treatment tool and a drive with a plug-in shaft for imparting to the tooth treatment tool longitudinal and radial movements, said plug-in connector comprising a radial drive for imparting radial movement to the tooth treatment tool;

  • and means for connecting the plug-in shaft of the toothbrush drive and said radial drive for converting a longitudinal movement of the plug-in shaft into a radial movement of said radial drive, said connecting means including a connecting rod attached, at one end thereof, to the plug-in shaft and, at another end thereof, to elastically deformable spiral means connected with said radial drive for converting the longitudinal movement of the plug-in shaft transmitted by said connecting rod to the radial movement of said radial drive, said connecting rod, said spiral means and radial drive being formed as an elastically deformable one-piece part.

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