Twin-brushes rotary toothbrush

Details Twin-brushes rotary toothbrush Twin-brushes rotary toothbrush

A - Human Necessities

46

B

15/109

A46B 5/00 (2006.01) A61C 17/24 (2006.01)

Patent

CA 1297242

TWIN-BRUSHES ROTARY TOOTHBRUSH ABSTRACT Rotary toothbrush utilizes a longitudinally extending hollow barrel having a fore-end and a rear-end. Longitudinally extending and reciprocable strokearm mechanism is predominately located within the hollow barrel but includes a forward-portion always located forwardly of the barrel. A pair of transversely separated, upright rotary brushes are positioned wholly forwardly of the barrel and there eccentrically journalled crankshafts are carried by the strokearm mechanism forward-portion so that strokearm reciprocations cause the two brushes to move together in alternating angular directions. The strokearm mechanism forward-portion might be provided with auxiliary bristles for simultaneously brushing the dental occlusial surfaces as the rotary brushes treat the bucal and lingual surfaces.

565838

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