DUPLEX SHANK UTILIZING DEFLECTION CAUSED THEREON, TOOTH BRUSH, DENTAL FLOSS HOLDER, TUBE CLEANER, AND TWEEZERS

WIPO Patent Application WO/2003/079848

A1

A duplex shank capable of increasing a width between fork-shaped opening ends by utilizing a deflection caused thereon by grasping, a tooth brush manufactured by using the shank for cleaning both faces of teeth, a dental floss holder capable of arbitrarily increasing the tensed width and tension of a dental floss, a tube cleaner, and tweezers, the duplex shank wherein a connection end (5) is formed by connecting two structural members (3) and (9) in a tuning fork shape and installing a pivot portion (4) functioning as a pivot at the middle position of the shank or the two structural members and the pivot portion are formed integrally with each other by injection molding, and the area of the shank between the pivot portion and the connection end is grasped so that deformed portions moves close to each other so as to cause a deflection on both-end support beams to swing the areas of the structural members between the pivot portion and open ends (1) and (7) starting from near the pivot portion so that a distance (6) between the open ends is increased.

TASHIBU KENZI (JP)

PCT/JP2002/011289

October 02, 2003

October 30, 2002

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TASHIBU KENZI (JP)
TASHIBU KIYOMI (JP)

A46B9/04; A61B17/30; A61C15/04; B08B9/02; (IPC1-7): A46B5/00; A47L17/00; A47L17/06; A61B17/28; A61B17/30; A61C15/04; B08B1/00; B08B9/02

JPH0652554U	1994-07-19
JPH0560318U	1993-08-10
JPS4938479U	1974-04-04
JP2001104345A	2001-04-17
JPH10243819A	1998-09-14
JPH0652806U	1994-07-19

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