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Tensile thread holder for tooth care

  • US 4,941,488 A
  • Filed: 04/07/1988
  • Issued: 07/17/1990
  • Est. Priority Date: 04/17/1987
  • Status: Expired due to Fees
First Claim
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1. A holder for receiving a tensile thread for tooth care, particularly for cleaning the spaces between teeth, the ends of the thread having thickened portions in the form of spherical knots, a plurality of tensile threads arranged in a row spaced apart from each other and parallel relative to each other, the threads having a length which corresponds approximately to the mounting length in the holder, the knots located immediately adjacent to each other on each side of the row of threads being connected to each other in reduced-diameter intended breaking points, the holder comprising two fork-like arms with free ends, the free ends defining slots for receiving the thread, wherein the slots are provided in spherically-shaped outwardly facing indentations for receiving the spherical knots of the threads, the arms defining outer edges, the indentations being offset toward the middle of the fork-type arms relative to the outer edges of the arms, the arms having shoulder surfaces adjacent the spherical indentations, the shoulder surfaces being offset relative to the outer ends of the arms and being concavely arched, and parallel edges formed between the shoulder surfaces defining sharp cutting edges for cutting the intended breaking points.

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