Title:
ORAL CAVITY SANITATION INSTRUMENT
Document Type and Number:
Japanese Patent JP3791055
Kind Code:
B
Abstract:
PROBLEM TO BE SOLVED: To improve the attachment strength of an oral cavity sanitation instrument, to efficiently transmit vibrations or reciprocative motions to the oral cavity sanitation instrument and further, to facilitate cleaning inside a holding cylinder.
SOLUTION: This instrument is composed of a main body 4 of motor-driven toothbrush, for which a supporting shaft part 21 is provided at an upper wall part 20 of a casing 2 while being protruded and a holding cylinder 22 inclining its upper edge down forward is formed while being protruded so as to surround the supporting shaft part 21, and a spare brush 5 to be freely attachably and detachably fitted to the main body 4 of motor-driven toothbrush while turning a brush 32 forward. This spare brush 5 has an outer cylinder 33 internally fitted to the holding cylinder 22 and an inner cylinder 34, which is provided inside this outer cylinder 33 while interposing a loop-shaped groove, externally fitted to the supporting shaft part 21 at its lower end part and planarly press- contacts the outer surface of the outer cylinder 33 onto the inner surface of the holding cylinder 22 while being attached to the main body 4 of motor-driven toothbrush.
Inventors:
Kita, Masaharu
Application Number:
JP1996000182193
Publication Date:
April 14, 2006
Filing Date:
July 11, 1996
Export Citation:
Assignee:
SUNSTAR INC
International Classes:
A46B9/04; A61C17/22; A46B13/02; A61C17/00; A46B9/00; A61C17/16; A46B13/00; A61C17/00; (IPC1-7): A46B9/04; A46B13/02; A61C17/22; A61C17/00