Title:
MOTOR-DRIVEN TOOTHBRUSH
Document Type and Number:
Japanese Patent JP3475581
Kind Code:
B2
Abstract:
PURPOSE: To improve a tooth cleaning effect by making an elliptic brush perform circular motion with an eccentric axis as a center and increasing a momentum.
CONSTITUTION: A brush holder 2 for which the brush 1 is freely rotatably attached to a tip part is mounted to the tip part of a motor-driven toothbrush main body, a driving shaft protruded from the motor-driven toothbrush main body and a linked shaft 5 inside the brush holder 2 are connected, the reciprocating motion of the linked shaft 5 driven back and forth in an axial direction by the driving shaft is converted into the rotary motion of the brush 1 and the brush 1 is rotated. In this motor-driven toothbrush, the brush 1 is turned to an elliptic shape, the brush 1 is freely rotatably attached to the brush holder 2 at an eccentric position to the center of the elliptic brush 1 and the eccentric position to the rotary center of the brush 1 and the linked shaft 5 are linked.
Inventors:
Yoshihiro Kitamura
Tomohiro Kunita
Tomohiro Kunita
Application Number:
JP16081395A
Publication Date:
December 08, 2003
Filing Date:
June 27, 1995
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
A46B7/06; A61C17/22; (IPC1-7): A61C17/22; A46B7/06
Domestic Patent References:
JP7116020A | ||||
JP560322U |
Attorney, Agent or Firm:
Keisei Nishikawa (1 person outside)
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