Dental floss device

Details Dental floss device Dental floss device

2006-05-03

2009-02-10

Doan, Robyn (Department: 3732)

Toilet

Toothpick

Having thread holder

Reexamination Certificate

active

07487785

ABSTRACT:
A dental floss device includes a handle having a head piece and a disposable holder for a length of dental floss. The holder includes a base portion and a pair of spaced-apart jaws extending from the base and which extend to embrace the head piece of the handle when the holder is in a correct alignment configuration with respect to the handle. The device has an interlock which ensures that the holder can be interengaged with the head piece only when the holder is correctly aligned with the head piece. The interlock includes a head interlock part provided by interlock grooves and a holder interlock part provided by corresponding interlock tongues. There are two interlock grooves and corresponding interlock tongues which slidably interengage when the holder is correctly aligned with the head piece If the holder is turned so that it is not correctly aligned with the head piece, the interlock tongues of the holder prevent engagement of the holder with the head piece. Thus there is no risk that a user will incorrectly align and engage the dental floss holder with the head piece.

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