Patent ID: 8127779
Filing Date: 2012-03-06
Classification: A61C

Abstract:
1. A dental floss holder is characterized by two interconnected but separable holder portions, U shape supporter (Portion 1) and a hollow grip (Portion 2), the U shape supporter is provided with a U supporter ( 1 ) with two folding legs, a connecting part ( 2 ), a hole ( 3 ) in a rear leg, a groove ( 4 ) that goes externally from an end of front leg until a fixed end of U supporter ( 1 ) to hold dental floss in position during cleaning operation, a longitudinal groove ( 6 ) with its depth decreasing from a threaded end ( 7 ) to a hole ( 5 ) of the connecting part ( 2 ), with the hollow grip (Portion 2) composed of a fixed side and a rotating side, and a maximum tension control mechanism is provided with a blade ( 8 ) on the fixed side of the hollow grip with its height increasing from the fixed side to the other side, a groove ( 6 ) with its depth decreasing from the threaded end ( 7 ) to the hole ( 5 ), external ( 7 ) and internal threads ( 10 ) and a rotary end ( 9 ) to adjust the maximum floss tension with the tension created by how deep is the coupling between blade ( 8 ) and groove ( 6 ) which is controlled by the rotary end ( 9 ) that gives a penetration grade between the threads.