Electrically driven tooth brush

Details Electrically driven tooth brush Electrically driven tooth brush

A - Human Necessities

46

B

15/85

A46B 13/02 (2006.01) A61C 17/40 (2006.01)

Patent

CA 1115467

ABSTRACT OF THE DISCLOSURE The present invention relates to an electrically driven tooth brush which enables the brush to selectively perform a rotational motion or reciprocal motion, in which the output of the motor through a reduction device is transmitted to a crank via a bevel gear. A crank pin integral with the crank is inserted in a guide groove in the base portion of a holder of the brush, and a guide pin is inserted in said guide groove. A switching member for determining the position of the crank pin in the guide groove is provided such that the rotational motion or the laterally oriented reciprocal motion is given to the brush with the guide pin as a fulcrum.

309920

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