A - Human Necessities – 45 – D
Patent
A - Human Necessities
45
D
A45D 44/18 (2006.01) A46B 5/00 (2006.01) A46B 5/02 (2006.01) A46B 7/04 (2006.01) A61C 15/04 (2006.01)
Patent
CA 2249614
This invention is an ergonomic toothbrush (10) having an oversized handle (20), a shapeable stem (16), interchangeable, flexible and shapeable heads (12) of different sizes, bristle arrangements (14), and geometrical configurations. The handle (20) is cylindrical so as to readily fit in the palm of one's hand while having at least one flattened portion against which the thumb and fingertips may be rested. The handle (20) is attached to a rotatable disk (22) which may be selectively set in a variety of positions about the longitudinal axis of the handle (20). Head (12) is bendable and shapeable so that the user of the toothbrush (10) may adjust the shape or curvature of the head (12) to conform to the contour of specific dental surfaces. When a stem (16) with a head (12) is attached to the rotatable disk (22), the user of the toothbrush may bend the head and/or stem, and also set the orientation of the bristles on the head such that they are at 45 degrees relative to the surface of the teeth, while the flat portions of the handle are generally parallel to the surface of the teeth so that the Bass brushing technique may be implemented while moving the toothbrush back and forth in short strokes so that all teeth may be effectively reached and brushed.
L'invention concerne une brosse à dents ergonomique (10) ayant un manche surdimensionné (20), une tige formable (16) et des têtes flexibles interchangeables (12) présentant des tailles, des agencements de poils (14) et des configurations géométriques différents. Le manche (20), conçu de forme cylindrique pour pouvoir s'adapter facilement à la paume d'une main, a une partie plate contre laquelle peuvent s'appuyer le pouce et le bout des autres doigts. Un dispositif rotatif (22), fixé sur le manche, peut être placé de manière sélective dans plusieurs positions le long de l'axe longitudinal du manche (20). Lorsqu'une tige (16) munie d'une tête flexible (12) est fixée au dispositif rotatif (22), l'utilisateur de la brosse à dents peut plier la tête et fixer l'orientation des brosses sur la tête de sorte qu'elles forment un angle de 45· avec la surface des dents, tandis que la partie plate du manche est généralement parallèle à la surface des dents. Ainsi, l'utilisateur peut appliquer la technique de brossage Bass en déplaçant la brosse à dents d'avant en arrière par petits coups et brosser toutes ses dents avec efficacité.
Butler Clarence Palin
Butler Frank Monroe Jr.
Smart & Biggar
The Smart Brush Corporation
LandOfFree
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