A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
83/20
A61C 15/04 (2006.01) B65H 49/20 (2006.01)
Patent
CA 2014320
ABSTRACT OF THE DISCLOSURE A dental floss holder is in the form of a box with a drawer in it. The bottom of the drawer includes a hub which is spring biased to push a bobbin mounted thereon toward an opposite side of the box. The bias is such that the bobbin drags with a predetermined force on an opposite side of the box to maintain tension in the floss. A result is that the bobbin does not unwind while in the holder, thereby precluding a snarled floss line. Also, the tension gives a smooth "pull" which adds a "feel" of quality to the floss. The "feel" does not change as the diameter of the bobbin changes with either an exhaustion of floss or changes in the diameter of a full bobbin. The hub is mounted on a dome having sides with a shape which guides and directs any floss falling off the bobbin back onto it.
Maric Dane
Tarrson Emanuel B.
Bereskin & Parr
John O. Butler Company
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