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Brush section for an electric toothbrush

DC
  • US 6,588,042 B2
  • Filed: 11/15/2001
  • Issued: 07/08/2003
  • Est. Priority Date: 10/17/1997
  • Status: Expired due to Term
First Claim
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1. A brush section for an electric toothbrush hand piece having a drive shaft and a mount, the mount being not rigidly connected to the drive shaft, said brush section comprisinga carrier tube having a major longitudinal axis to which is fitted a bristle carrier comprising a plurality of bristles, said carrier tube being adapted to plug onto the mount of the hand piece of the electric toothbrush, said bristle carrier being movable relative the carrier tube, wherein at least one elongate shoulder made of a plastics material forms a spring element arranged between the carrier tube and the mount, said elongate shoulder being attached to the brush section and disposed on an inwardly directed surface of the carrier tube and having, along a length of said elongate shoulder, an average height in a radially inward direction protruding inwards from the adjacent inwardly directed tube surface, and wherein the elongate shoulder'"'"'s length along the longitudinal axis is substantially greater than its average height so as to define a distributed abutment surface area for contacting the mount.

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