×

Multi-motion dental flosser

  • US 4,586,521 A
  • Filed: 12/07/1983
  • Issued: 05/06/1986
  • Est. Priority Date: 12/07/1983
  • Status: Expired due to Term
First Claim
Patent Images

1. A dental flossing tool comprising:

  • a housing;

    an inner fork pivotally supported on the housing and having two tines which receive teeth to be cleaned therebetween, each tine having guides for guiding the transfer of dental floss from a distal end portion of one tine to a distal end portion of the opposite tine wherein the floss forms a movable span therebetween;

    a dispensing spool rotatably supported on the housing for dispensing a strand of dental floss passing to the fork;

    a take-up spool rotatably supported on the housing for retrieving dental floss passing from the fork;

    means for reciprocating the fork up and down relative to the teeth;

    means for producing continuous rotary motion of a drive shaft;

    a speed-reduction gear train drivingly connecting the take-up spool with the drive shaft for continuous slow rotation of the spool; and

    floss traversing means cooperative with the speed-reduction gears for traversing the floss across the take-up spool for level-winding to produce a continuous slow and substantially unvarying advancement of the floss strand.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×