Rotary electric toothbrush

Details Rotary electric toothbrush Rotary electric toothbrush

A - Human Necessities

46

B

15/85.4

A46B 13/02 (2006.01) A61C 17/26 (2006.01) A61C 17/36 (2006.01)

Patent

CA 1268909

ABSTRACT OF THE DISCLOSURE ROTARY ELECTRIC TOOTHBRUSH A rotary electric toothbrush including a power handle having a foot and a motor having a rotatable power shaft. A brush stem is attached to the power handle and extends therefrom to terminate at a stem head. A brush cartridge is attached to the stem head and extends therefrom to terminate at a toothbrush head. The brush cartridge includes at least one generally cylindrical brush oriented approximately headward-to-footward. A drive shaft extends from the power handle to the brush. A transmission transmits the motion of the power shaft to selectively cause the drive shaft alternatively to rotate about its longitudinal axis and to move parallel thereto in a reciprocating manner. A user of the rotary electric toothbrush thus may direct power from a single motor selectively to cause the brush to rotate about its longitudinal axis and, alternatively, to move in a reciprocating manner parallel thereto.

510077

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