EP1265510A1 - Device for assembling separable toothbrush elements - Google Patents

Device for assembling separable toothbrush elements

Info

Publication number
EP1265510A1
EP1265510A1 EP01903916A EP01903916A EP1265510A1 EP 1265510 A1 EP1265510 A1 EP 1265510A1 EP 01903916 A EP01903916 A EP 01903916A EP 01903916 A EP01903916 A EP 01903916A EP 1265510 A1 EP1265510 A1 EP 1265510A1
Authority
EP
European Patent Office
Prior art keywords
handle
pusher
well
toothbrush
neck
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01903916A
Other languages
German (de)
French (fr)
Inventor
Jean-Luc Lefevre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DuPont Industries SAS
Original Assignee
DuPont Industries SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DuPont Industries SAS filed Critical DuPont Industries SAS
Publication of EP1265510A1 publication Critical patent/EP1265510A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/0095—Removable or interchangeable brush heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G3/00—Attaching handles to the implements
    • B25G3/02—Socket, tang, or like fixings
    • B25G3/12—Locking and securing devices
    • B25G3/18—Locking and securing devices comprising catches or pawls
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/53—Split end with laterally movable opposed portions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/59—Manually releaseable latch type
    • Y10T403/591—Manually releaseable latch type having operating mechanism
    • Y10T403/593—Remotely actuated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/60—Biased catch or latch
    • Y10T403/606—Leaf spring

Definitions

  • the invention relates to toothbrushes produced in several separable parts and it relates more precisely to a device for assembling these elements which allows a separation of the head and the handle by a simple and precise maneuver, at the same time as discreetly integrates with the aesthetics and ergonomics of the toothbrush.
  • the devices for snapping a toothbrush head onto a handle are numerous and varied, but often require a delicate operation on the part of the user to separate the elements of the brush or, on the contrary, do not provide not guaranteed to maintain the assembly during brushing, the locking device being located in the support area of the thumb and forefinger, or not having sufficient retention of the constituent elements of the toothbrush during its use.
  • the De-randeur endeavored to solve these problems by realizing a device for assembling the separable elements of an object such as a toothbrush, which ensures a positive and resistant assembly of these elements and does not require than a very simple maneuver to separate the assembly, without excessive effort.
  • the device is particularly adaptable to toothbrushes intended for children.
  • the main object of the invention is therefore a device for assembling separable elements of a toothbrush comprising a head, a neck and a handle according to which the neck of the brush has a centering axis terminated by a lug of snap hooked into a well of the handle, said handle being hollowed out over its entire length with a cylindrical opening serving as a housing for a pusher projecting beyond the handle, and comprising unlocking corners to separate the latching lug and the handle.
  • the end of the latching tab shows chamfers converging towards the axis of the well and said tab is hung on shoulders of the well.
  • the unlocking corners enveloping a central recess are mounted at the end of the plunger rod near the chamfers of the latching lug.
  • Figures 1 to 3 are general elevational views, respectively of the head of the toothbrush, the handle and the pusher.
  • Figure 4 a longitudinal sectional view on a larger scale, of the central part showing the assembly device.
  • Figure 5 a longitudinal sectional view on a larger scale, of this central part in a plane perpendicular to the previous one.
  • Figures 6 and 7 sectional views respectively along VI-VI and VII-VII of Figure 4.
  • FIG. 1 shows a toothbrush head 1 constituting an independent element, one end of which forms a neck is provided with a snap-on lug 2 at the end of a centering pin 5, a lug intended to hang on to a handle 3 shown in Figure 2.
  • the cylindrical section handle has for this purpose an end well 4 which can receive the axis 5 of the head.
  • the handle is hollowed out over its entire length with a cylindrical opening 6, the end of which, opposite the well 4, ends in a cell 7 of larger diameter.
  • the opening and the socket of the handle serve as housing for a pusher 8 projecting out of the handle, which is shown in FIG. 3.
  • the latter essentially consists of a button 9 at the end of a rod 10 whose end carries anti-rotation pins 11.
  • Figures 4 to 7 illustrate the central latching area between the head 1 and the handle 3. It can be seen that the tab 2 is hung on shoulders 12 provided in the well 4 of the handle. In addition the end of the tab 2 shows chamfers 13 converging towards one axis of the well. In addition, anti-rotation guides 17 are provided on the sides of the head 1 and cooperate with grooves 18 provided in the handle.
  • the end of the rod 10 of the pusher 8 is provided externally with unlocking corners 14, and internally with elastic tongues 15 enveloping a central recess 19 and ensuring the retention of the pusher in the handle. Finally the outside of the handle 3 is surrounded by an elastomeric lining 16 which contributes to the aesthetics of the brush.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Brushes (AREA)

Abstract

The invention concerns a toothbrush whereof the neck (1) is provided with a centring spindle having a snap-on tab (2) at its end secured in a hole (4) of the handle (3). The handle is hollowed out over its entire length with a cylindrical orifice for housing a push element whereof the stem (10) is provided with unlocking wedges (14) to disengage the snap-on tab and the handle. The invention is applicable to toothbrushes produced in several separable parts.

Description

Dispositif d'assemblage d'éléments separables de brosse à dents. Device for assembling separable toothbrush elements.
L'invention se rapporte aux brosses à dents réalisées en plusieurs parties separables et elle concerne plus précisément un dispositif d'assemblage de ces éléments qui permet une désolidarisation de la tête et du manche par une manoeuvre simple et précise, en même temps qu'il s'intègre de façon discrète à l'esthétique et à l'ergonomie de la brosse à dents.The invention relates to toothbrushes produced in several separable parts and it relates more precisely to a device for assembling these elements which allows a separation of the head and the handle by a simple and precise maneuver, at the same time as discreetly integrates with the aesthetics and ergonomics of the toothbrush.
Les dispositifs d ' encliquetage d'une tête de brosse à dents sur un manche sont nombreux et variés, mais nécessitent souvent de la part de l'utilisateur une manoeuvre délicate pour procéder à la désolidarisation des éléments de la brosse ou au contraire n'assurent pas la garantie du maintien de l'assemblage lors du brossage, le dispositif de verrouillage se situant dans la zone d'appui du pouce et de 1 ' index, ou ne présentant pas une retenue suffisante des éléments constitutifs de la brosse à dents lors de son utilisation.The devices for snapping a toothbrush head onto a handle are numerous and varied, but often require a delicate operation on the part of the user to separate the elements of the brush or, on the contrary, do not provide not guaranteed to maintain the assembly during brushing, the locking device being located in the support area of the thumb and forefinger, or not having sufficient retention of the constituent elements of the toothbrush during its use.
Le De-randeur s'est attaché à résoudre ces problèmes en réalisant un dispositif d'assemblage des éléments separables d'un objet tel qu'une brosse à dents, qui permet d'assurer un assemblage positif et résistant de ces éléments et ne nécessite qu'une manoeuvre très simple pour désolidariser l'ensemble, sans efforts excessifs. Le dispositif est particulièrement adaptable à des brosses à dents destinées aux enfants.The De-randeur endeavored to solve these problems by realizing a device for assembling the separable elements of an object such as a toothbrush, which ensures a positive and resistant assembly of these elements and does not require than a very simple maneuver to separate the assembly, without excessive effort. The device is particularly adaptable to toothbrushes intended for children.
L'invention a donc pour objet principal un dispositif d'assemblage d'éléments separables de brosse à dents comportant une tête, un col et un manche selon lequel le col de la brosse dispose d'un axe de centrage terminé par une patte d' encliquetage accrochée dans un puits du manche, ledit manche étant creusé sur toute sa longueur d'une ouverture cylindrique servant de logement à un poussoir débordant hors du manche, et comportant des coins de déverrouillage pour désolidariser la patte d' encliquetage et le manche.The main object of the invention is therefore a device for assembling separable elements of a toothbrush comprising a head, a neck and a handle according to which the neck of the brush has a centering axis terminated by a lug of snap hooked into a well of the handle, said handle being hollowed out over its entire length with a cylindrical opening serving as a housing for a pusher projecting beyond the handle, and comprising unlocking corners to separate the latching lug and the handle.
Selon d'autres caractéristiques particulières de l'invention, l'extrémité de la patte d ' encliquetage montre des chanfreins convergents vers l'axe du puits et ladite patte est accrochée sur des épaulements du puits.According to other particular features of the invention, the end of the latching tab shows chamfers converging towards the axis of the well and said tab is hung on shoulders of the well.
Avantageusement, les coins de déverrouillage enveloppant un évidement central sont montés à 1 ' extrémité de la tige du poussoir à proximité des chanfreins de la patte d' encliquetage.Advantageously, the unlocking corners enveloping a central recess are mounted at the end of the plunger rod near the chamfers of the latching lug.
D'autres caractéristiques et avantages de l'invention ressortiront de la description qui va suivre d'un exemple non limitatif de réalisation dans lequel il est fait référence aux dessins annexés qui représentent :Other characteristics and advantages of the invention will emerge from the description which follows of a nonlimiting exemplary embodiment in which reference is made to the appended drawings which represent:
Figures 1 à 3 des vues générales en élévation, respectivement de la tête de la brosse à dents, du manche et du poussoir.Figures 1 to 3 are general elevational views, respectively of the head of the toothbrush, the handle and the pusher.
Figure 4 une vue en coupe longitudinale à plus grande échelle, de la partie centrale montrant le dispositif d' assemblage .Figure 4 a longitudinal sectional view on a larger scale, of the central part showing the assembly device.
Figure 5 une vue en coupe longitudinale à plus grande échelle, de cette partie centrale selon un plan perpendiculaire au précédent. Figures 6 et 7 des vues en coupe respectivement selon VI-VI et VII-VII de la figure 4.Figure 5 a longitudinal sectional view on a larger scale, of this central part in a plane perpendicular to the previous one. Figures 6 and 7 sectional views respectively along VI-VI and VII-VII of Figure 4.
La figure 1 montre une tête de brosse à dents 1 constituant un élément indépendant dont une extrémité formant un col est pourvue d'une patte d' encliquetage 2 à l'extrémité d'un axe de centrage 5, patte destinée à s'accrocher à un manche 3 représenté à la figure 2. Le manche de section cylindrique dispose à cet effet d'un puits d'extrémité 4 pouvant recevoir l'axe 5 de la tête. En outre le manche est creusé sur toute sa longueur d'une ouverture cylindrique 6 dont l'extrémité, opposée au puits 4, se termine par une alvéole 7 de plus grand diamètre. L'ouverture et l'alvéole du manche servent de logement à un poussoir 8 débordant hors du manche, qui est représenté à la figure 3. Ce dernier est composé essentiellement d'un bouton 9 en bout d'une tige 10 dont l'extrémité porte des ergots 11 antirotation. Les figures 4 à 7 illustrent la zone centrale d' encliquetage entre la tête 1 et le manche 3. On voit que la patte 2 est accrochée sur des epaulements 12 prévus dans le puits 4 du manche. De plus l'extrémité de la patte 2 montre des chanfreins 13 convergents vers 1 ' axe du puits . En outre des guides antirotation 17 sont prévus sur les côtés de la tête 1 et coopèrent avec des rainures 18 prévues dans le manche .FIG. 1 shows a toothbrush head 1 constituting an independent element, one end of which forms a neck is provided with a snap-on lug 2 at the end of a centering pin 5, a lug intended to hang on to a handle 3 shown in Figure 2. The cylindrical section handle has for this purpose an end well 4 which can receive the axis 5 of the head. In addition, the handle is hollowed out over its entire length with a cylindrical opening 6, the end of which, opposite the well 4, ends in a cell 7 of larger diameter. The opening and the socket of the handle serve as housing for a pusher 8 projecting out of the handle, which is shown in FIG. 3. The latter essentially consists of a button 9 at the end of a rod 10 whose end carries anti-rotation pins 11. Figures 4 to 7 illustrate the central latching area between the head 1 and the handle 3. It can be seen that the tab 2 is hung on shoulders 12 provided in the well 4 of the handle. In addition the end of the tab 2 shows chamfers 13 converging towards one axis of the well. In addition, anti-rotation guides 17 are provided on the sides of the head 1 and cooperate with grooves 18 provided in the handle.
L'extrémité de la tige 10 du poussoir 8 est pourvue extérieurement de coins de déverrouillage 14, et intérieurement de languettes élastiques 15 enveloppant un évidement central 19 et assurant la retenue du poussoir dans le manche. Enfin l'extérieur du manche 3 est entouré d'une garniture élastomère 16 qui participe à l'esthétique de la brosse.The end of the rod 10 of the pusher 8 is provided externally with unlocking corners 14, and internally with elastic tongues 15 enveloping a central recess 19 and ensuring the retention of the pusher in the handle. Finally the outside of the handle 3 is surrounded by an elastomeric lining 16 which contributes to the aesthetics of the brush.
Dans la position montrée aux figures 4 et 5 la patte 2 , en appui contre les épaulement 12 , maintient rigidement encliquetés, le manche 3 et la tête 1 de la brosse à dents. Quand l'utilisateur veut désolidariser ces deux pièces, il exerce une pression sur le bouton 9 du poussoir 8, qui déborde de l'alvéole 7. La poussée sur la tige 10 et les coins de déverrouillage 14 oblige ces derniers à coiffer les chanfreins 13 de la patte 2 et à cambrer ainsi les ailes de la patte vers l'intérieur, assurant son désencliquetage des epaulements 12. On peut alors aisément désolidariser la tête et le manche. L'anneau élastomère 16, avantageusement de couleur, participe à l'esthétique et garantit 1 ' étanchéité de l'ensemble assemblé, formant ainsi barrage aux infiltrations d'eau mêlée de dentifrice et de salive. In the position shown in FIGS. 4 and 5, the tab 2, pressing against the shoulders 12, rigidly locks in place, the handle 3 and the head 1 of the toothbrush. When the user wants to separate these two parts, he exerts a pressure on the button 9 of the pusher 8, which projects beyond the cell 7. The push on the rod 10 and the unlocking corners 14 forces the latter to cover the chamfers 13 of the lug 2 and thus arching the wings of the lug inward, ensuring its disengaging of the shoulders 12. It is then easy to separate the head and the handle. The elastomer ring 16, advantageously colored, contributes to the aesthetics and guarantees the tightness of the assembled assembly, thus forming a barrier to the infiltration of water mixed with toothpaste and saliva.

Claims

REVEND I C AT I ONS RESELL IC AT I ONS
1.- Dispositif d'assemblage d'éléments separables de brosse à dents comportant une tête, un col et un manche caractérisé en ce que le col de la brosse dispose d'un axe de centrage (5) terminé par une patte d' encliquetage (2) accrochée dans un puits (4) du manche1.- Device for assembling separable elements of toothbrush comprising a head, a neck and a handle characterized in that the neck of the brush has a centering axis (5) terminated by a latching latch (2) hung in a well (4) of the handle
(3) , et en ce que ledit manche est creusé sur toute sa longueur d'une ouverture cylindrique (6) servant de logement à un poussoir (8) débordant hors du manche, et comportant des coins de déverrouillage (14) pour désolidariser la patte d' encliquetage et le manche.(3), and in that said handle is hollowed out over its entire length with a cylindrical opening (6) serving as a housing for a pusher (8) projecting out of the handle, and comprising unlocking corners (14) to separate the snap tab and handle.
2.- Dispositif d'assemblage selon la revendication2.- assembly device according to claim
1, caractérisé en ce que l'extrémité de la patte d' encliquetage (2) montre des chanfreins (13) convergents vers l'axe du puits (4) et en ce que ladite patte est accrochée sur des epaulements (12) du puits.1, characterized in that the end of the latching lug (2) shows chamfers (13) converging towards the axis of the well (4) and in that said lug is hooked on shoulders (12) of the well .
3.- Dispositif d'assemblage selon la revendication 1, caractérisé en ce que le poussoir (8) est constitué d'un bouton (9) en bout d'une tige (10), dont l'extrémité porte des ergots (11) anti-rotation.3.- assembly device according to claim 1, characterized in that the pusher (8) consists of a button (9) at the end of a rod (10), the end of which carries lugs (11) anti rotation.
4.- Dispositif d'assemblage selon les revendications 1 et 2 , caractérisé en ce que les coins de déverrouillage (14) enveloppant un évidement central (19) sont montées à l'extrémité de la tige (10) du poussoir (8), à proximité des chanfreins (13) de la patte d' encliquetage4. An assembly device according to claims 1 and 2, characterized in that the unlocking corners (14) enveloping a central recess (19) are mounted at the end of the rod (10) of the pusher (8), close to the chamfers (13) of the snap tab
(2) . (2).
EP01903916A 2000-02-10 2001-01-11 Device for assembling separable toothbrush elements Withdrawn EP1265510A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0001641 2000-02-10
FR0001641A FR2804847B1 (en) 2000-02-10 2000-02-10 DEVICE FOR ASSEMBLING SEPARABLE TOOTHBRUSH ELEMENTS
PCT/FR2001/000079 WO2001058307A1 (en) 2000-02-10 2001-01-11 Device for assembling separable toothbrush elements

Publications (1)

Publication Number Publication Date
EP1265510A1 true EP1265510A1 (en) 2002-12-18

Family

ID=8846839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01903916A Withdrawn EP1265510A1 (en) 2000-02-10 2001-01-11 Device for assembling separable toothbrush elements

Country Status (8)

Country Link
US (1) US6709185B2 (en)
EP (1) EP1265510A1 (en)
JP (1) JP2003521981A (en)
AU (1) AU2001231874A1 (en)
BR (1) BR0108214A (en)
FR (1) FR2804847B1 (en)
MX (1) MXPA02007720A (en)
WO (1) WO2001058307A1 (en)

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Also Published As

Publication number Publication date
US6709185B2 (en) 2004-03-23
AU2001231874A1 (en) 2001-08-20
FR2804847B1 (en) 2002-05-24
JP2003521981A (en) 2003-07-22
US20030099508A1 (en) 2003-05-29
WO2001058307A1 (en) 2001-08-16
BR0108214A (en) 2004-04-27
FR2804847A1 (en) 2001-08-17
MXPA02007720A (en) 2004-09-10

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