ELECTRICAL TOOTHBRUSH Russian patent published in 2009 - IPC A61C17/26 

FIELD: household goods and personal effects.

SUBSTANCE: electrical toothbrush consists of the extended hollow compartment, head part of the compartment and batteries, which are placed in the hollow compartment and functionally interconnected. The above mentioned toothbrush also includes switch, electrical motor, motor shaft, gear set and disc with bristle, which is installed so that it can rotate around axis at the direct angle to the longitudinal shaft of the electrical motor. The gearing is represented with a spiral gear and spiral wheel. The disc with bristle is removable and installed on the spiral wheel axis. The fan and screw unit is rigidly fixed to the motor shaft. It helps to pump air to the bristled disc. There are holes for air intake and discharge in the head part of the toothbrush. The holes are implemented so that air can move along the inner cavity of the head part to the spiral gear and be discharged to the bristled disc movement direction.

EFFECT: improved effectiveness of teeth and gums brushing by air pumped from fan-screw unit.

5 cl, 3 dwg