TOOTHBRUSH HAVING REMOVABLE BRUSH PART

PROBLEM TO BE SOLVED: To enhance workability and design characteristics by improving a means for engaging a brush head with the handle side. SOLUTION: The brush head and a brush body 3 are removably fitted. An engaging device 4 for a sheath-like part 2b and a holding arm 3b comprises a ring-like eng...

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Bibliographic Details
Main Author KAJI SHIGEKI
Format Patent
LanguageEnglish
Published 29.06.2006
Subjects
APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
BRUSHES
BRUSHWARE
DENTISTRY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
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Summary:PROBLEM TO BE SOLVED: To enhance workability and design characteristics by improving a means for engaging a brush head with the handle side. SOLUTION: The brush head and a brush body 3 are removably fitted. An engaging device 4 for a sheath-like part 2b and a holding arm 3b comprises a ring-like engaging part 4-1 turnably fitted to one of the sheath-like part 2b and the holding arm 3b, and a cylindrical face-like engaging part 4-2 provided on the other. An engaging projection 9 is formed so as to project on one of the ring-like engaging part 4-1 and the cylindrical face-like engaging part 4-2, and an engaging groove 10 is formed on the other to be turnably engaged with the engaging projection 9. The engaging projection 9 is guided into a side groove 10b so as to engage the brush head and the brush body 3 with each other. At least one planar finger contact part is formed on an outer circumference of the ring-like engaging part 4-1 for easily transmitting a force applied by the fingers to the ring-like engaging part 4-1 for rotating it. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040382495