CH170299A

CH170299A - Toothbrush.

Info

Publication number: CH170299A
Authority: CH
Inventors: Veyrassat Henri
Original assignee: Veyrassat Henri
Priority date: 1933-03-07
Filing date: 1933-03-07
Publication date: 1934-06-30

Description

       

      Brosse    à dents.    La brosse à dents faisant l'objet du pré  sent brevet est construite suivant la reven  dication du brevet principal et est caracté  risée en ce quelle comporte     ni)    jeu de brosses  proprement dites destinées à être fixées     amo-          viblement    sur l'axe au moyen de leur tige  de support.  



  Le dessin représente, partiellement et à  titre d'exemple diverses formes d'exécution  de la brosse suivant la présente invention.  



  La     fig.    1 représente deux formes d'exé  cution dans lesquelles 1 est une pièce axiale  autour de laquelle sont montés les poils de  brosse 2 et qui est munie d'une tige 3 pour  fixation sur l'axe. Dans le but d'augmenter  la surface frottante lors des nettoyages dans  le sens longitudinal, les poils sont coupés  par deux, respectivement par six plans paral  lèles à l'axe.  



  La     fig.    2 représente deux formes d'exé  cution dans lesquelles les poils sont montés  en     hélices-doubles    de sens contraires, de façon  supprimer ou équilibrer tout effort axial    sur la brosse, pour améliorer ainsi les con  ditions de nettoyage par rotation.  



  La     fig.    3 représente une brosse dont le  profil extérieur est découpé en     crénaux.    Sur  la     fig.    4 ce même profil crénelé est obtenu  par une série de disques de diamètres diffé  rents.  



  La construction selon la     fig.    5 porte à  l'avant une touffe de soies 4.     9.u    lieu des  soies 4, on pourrait' aussi prévoir une pointe  cure-dents.  



  La     fig.    6 montre en détail un dispositif  de fixation. La tige de la brosse proprement  dite est munie d'une rainure circulaire que  vient pincer un organe élastique de l'axe 5  et se termine par un bout aplati qui s'engage  dans une encoche prévue au fond du loge  ment de fixation de l'axe     'a,    pour empêcher  les déplacements axiaux et angulaires de la  brosse proprement dite par rapport à l'axe 5.



      Toothbrush. The toothbrush which is the subject of this patent is constructed according to the claim of the main patent and is characterized in that it comprises ni) set of brushes proper intended to be fixed loosely on the shaft by means of their support rod.



  The drawing shows, partially and by way of example, various embodiments of the brush according to the present invention.



  Fig. 1 shows two embodiments in which 1 is an axial part around which the brush bristles 2 are mounted and which is provided with a rod 3 for attachment to the axis. In order to increase the rubbing surface during cleaning in the longitudinal direction, the bristles are cut in pairs, respectively by six planes parallel to the axis.



  Fig. 2 shows two embodiments in which the bristles are mounted in double helixes in opposite directions, so as to eliminate or balance any axial force on the brush, thus to improve the conditions for cleaning by rotation.



  Fig. 3 shows a brush whose outer profile is cut into crenals. In fig. 4 this same crenellated profile is obtained by a series of discs of different diameters.



  The construction according to fig. 5 carries at the front a tuft of bristles 4. 9.instead of the bristles 4, one could also provide a toothpick tip.



  Fig. 6 shows in detail a fixing device. The rod of the brush proper is provided with a circular groove which is gripped by an elastic member of the axis 5 and ends with a flattened end which engages in a notch provided at the bottom of the fixing housing of the axis' a, to prevent axial and angular displacements of the brush itself relative to axis 5.

Claims

CLAIM Toothbrush according to claim of the main patent, characterized in that it comprises a set of brushes proper intended to "be removably fixed on the axis by means of their support rod. <B> SUB-CLAIMS: < / B> 1 Brush according to claim, characterized in that the set comprises a brush pro prement called whose bristles are cut along at least one plane parallel to the axis. 2 Brush according to claim, characterized in that the set comprises a brush properly so called, the bristles of which are mounted on an axial part following double helices in opposite directions.

3 Brush according to claim, characterized in that the set comprises a brush proper whose outer profile of the bristles is cut into crenals. Brush according to claim, characterized in that the set includes a brush proper, the bristles of which are mounted on an axial part in parallel discs separated by intervals. Brush according to claim, characterized in that the set comprises a brush proper, the end of which ends with a toothpick tip. 6 Brush according to claim, characterized and) that the fixing of the brush proper ment on the axis comprises a circular groove on the rod and a flattened end, to prevent axial and angular displacement of the brush relative to the axis.