ELECTRIC TOOTH BRUSH Russian patent published in 2006 - IPC A61C17/26 

FIELD: medical equipment.

SUBSTANCE: electric tooth brush has elongated part which forms case. The case has opposite first and second ends, hollow part and longitudinal axis. It also has head which is formed by movable part and is connected with first end of case. Engine is disposed in hollow part of elongated case. There are several gears disposed inside hollow part. Engine is cinematically connected with one gear. First rotary lever is connected by hinges with one gear. There is shaft with first and second ends. Shaft is made for reciprocal motion along longitudinal axis of elongated case and has its first end cinematically connected with first rotary lever. Tooth brush has second rotary lever connected with movable part of head. The second lever is cinematically connected with second end of shaft. Inner parts of mouth cavity can be reached due to swinging, oscillating and reciprocal motion of head of the tooth brush.

EFFECT: improved efficiency.

13 cl, 12 dwg