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Dental cleaning device and attachment for such a device

  • US 5,836,030 A
  • Filed: 12/23/1996
  • Issued: 11/17/1998
  • Est. Priority Date: 12/28/1995
  • Status: Expired due to Fees
First Claim
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1. A dental cleaning device comprising a grip member to be held in a hand, said grip member containing a motor for driving drive means, and comprising an elongate extension member which extending along a longitudinal axis projecting from the grip member in a direction of the longitudinal axis, said grip member further comprising a brush holder arranged on the elongate extension member adjacent a free end of the elongate extension member, said brush holder carrying bristles projecting therefrom transversely to the longitudinal axis, said brush holder being pivotable about a pivotal axis extending transversely to the longitudinal axis, substantially in the direction of the bristles and substantially central to said brush holder, said brush holder being drivable by the motor via the drive means for reciprocation with respect to the pivotal axis along a circular arcuate path, and said grip member further comprising, near the brush holder, an interdental brush holder arranged on the elongate extension member adjacent the free end of the elongate extension member, said interdental brush holder carrying interdental bristles projecting therefrom transversely to the longitudinal axis and disposed adjacent the bristles on the brush holder, said interdental brush holder being coupled to a drive member of the drive means, said drive member being pivotable about a further pivotal axis, and is drivable by the motor via the drive means for reciprocation with respect to the further pivotal axis along a circular arc-shaped path, characterized in that the further pivotal axis, about which the drive member is pivotable, also extends transversely to the longitudinal axis of the elongate extension member and is remote from the interdental brush holder, and the free ends of the interdental bristles projecting from the interdental brush holder as well as the free ends of the bristles projecting from the brush holder perform a movement whose main component is oriented parallel to a plane which extends perpendicularly to the pivotal axis of the brush holder, the movement of said drive member along said circular arc-shaped path causing said interdental brush holder and the free ends of the interdental bristles to perform a reciprocatory movement substantially parallel to a longitudinal direction of interdental spaces between teeth in a user'"'"'s mouth.

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