EP1377188A1 - Brosse - Google Patents

Brosse

Info

Publication number
EP1377188A1
EP1377188A1 EP02737938A EP02737938A EP1377188A1 EP 1377188 A1 EP1377188 A1 EP 1377188A1 EP 02737938 A EP02737938 A EP 02737938A EP 02737938 A EP02737938 A EP 02737938A EP 1377188 A1 EP1377188 A1 EP 1377188A1
Authority
EP
European Patent Office
Prior art keywords
carrier
brush according
bristle
brush
drive member
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Withdrawn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
EP02737938A
Other languages
German (de)
English (en)
Inventor
Georg Weihrauch
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.)
Interbros GmbH
Original Assignee
Coronet Werke GmbH
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 Coronet Werke GmbH filed Critical Coronet Werke GmbH
Publication of EP1377188A1 publication Critical patent/EP1377188A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • A61C17/3463—Translation along the axis perpendicular to the plane defined by the bristle holder
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/06—Bristle carriers arranged in the brush body movably during use, i.e. the normal brushing action causing movement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • 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

Definitions

  • the invention relates to a brush with a carrier and a bristle covering with bristles which can be displaced under the effect of the brush pressure. Furthermore, the invention relates to a brush with a housing which has an opening and with a carrier with a bristle trim which is arranged movably in the region of the opening and can be set in motion together with the bristle trim by a drive member arranged in the housing.
  • Brushes within the meaning of the invention are to be understood as all bristle articles in which surfaces are cleaned, polished or the like by a brush movement under appropriate pressure, if appropriate with simultaneous application of media, for example toothbrushes, cosmetic brushes, household brushes or technical brushes, but also body brushes with which a massage effect is to be achieved.
  • media for example toothbrushes, cosmetic brushes, household brushes or technical brushes, but also body brushes with which a massage effect is to be achieved.
  • toothbrushes For effective cleaning of the teeth, regular and repeated brushing every day is necessary. The effectiveness of cleaning does not depend solely on the frequency of dental care, but on the efficiency of the individual brushing process.
  • the pressure and direction of movement must be controlled in such a way that all tooth surfaces are effectively reached and the formation of plaque is prevented or existing plaque is removed.
  • the brush pressure must not be too high to avoid injuries to the gums, but also fissures on the tooth enamel.
  • the bristle trim must be designed and the toothbrush guided so that the interdental spaces are reached and cleaned equally effectively.
  • an additional massage of the gums, in particular the gum line is desired, which in turn places certain requirements on the bristles themselves, but also on the cleaning technique, in order to avoid injuries to the gums.
  • the invention has for its object to provide a brush in which - regardless of the type of operation (manual or motorized) - traumatic effects due to individual usage errors are largely excluded and yet a structurally simple system is implemented.
  • the object of the invention is achieved in that the carrier is of one-piece and flexible design, has bristle trimmings firmly attached to it on one side and at least one on its other side Abutment cooperates, which controls its flexible deflection under the brush pressure.
  • the brush according to the invention is first of all extremely simple in terms of construction, in that the entire bristle trim is arranged on a flexible carrier, the flexibility of which gives the bristles the desired freedom of movement not only in the axial direction but also transversely thereto. In this way, a spatial, ie three-dimensional movement of the bristles is achieved while the brush is in use. Because of the flexibility, the bristle movement is also dampened, so that even excessive pressure does not lead to traumatic effects. This damping is guaranteed for every cleaning direction due to the flexibility of the wearer.
  • the direction and the extent of the displacement of the bristles can be controlled according to the invention by the shape, number and / or arrangement of the abutments.
  • these can be inclined sliding surfaces, spherical tilting bearings or the like, which dictate the type of movement of the bristles, the movement being always damped by the flexible carrier, which, due to its flexibility, also ensures the necessary resetting ,
  • the abutments can be adjusted essentially parallel and / or perpendicular to the carrier in order to control or vary the type of kinematics of the bristles when the flexible carrier is deflected.
  • the stretching can be done manually, mechanically or by motor.
  • Such a brush has a housing with an opening and a carrier with a bristle trim, which is arranged movably in the region of the opening and can be set in motion together with the bristle trim by a drive element arranged in the housing.
  • Such a known brush is characterized according to the invention in that the carrier is provided in one piece and flexibly and on one side with the bristle trim attached to it, the carrier transmitting the movement imparted to it by the drive member on its other side to the bristle trim with self-deformation ,
  • the kinematics of the bristles during the cleaning process are first determined by the drive member, which gives the wearer one or more defined movements. As in known driven toothbrushes, these would in turn be transferred directly to the tooth surface or to the gums. Due to the deformability of the carrier, the movement is damped regardless of its vector. Even with this training there are no guide gaps on the carrier, so that hygienic problems are avoided.
  • Such a brush can be cleaned like any toothbrush with rigid bristles by briefly rinsing.
  • the carrier transmits the movement imparted to it by the drive member to the bristle stock at least partially in vector form, for example by simultaneously moving the bristles axially and tilting them radially, the carrier also damping each of the conceivable movement components here by self-deformation.
  • the carrier preferably consists of a rubber-elastic deformable material, but can consist of sections of a less elastic material which are flexibly connected to one another.
  • the carrier spans the opening of the housing and is tightly clamped at the opening edge thereof, wherein the clamping can be designed so that the carrier can be replaced with the bristle trim.
  • the carrier consists of a rubber-elastic material
  • it can for example be designed like a membrane with a constant wall thickness. This results in a highly flexible storage of the bristle stock.
  • the carrier of the rubber-elastic material can also be designed as a molded body with a varying overall height that determines its deformation behavior, in order, for example, to enable different movements of individual areas of the bristle trim.
  • the drive member preferably has a drive shaft and eccentric areas arranged thereon, which act on the flexible carrier. Due to the degree of eccentricity and the arrangement of the eccentric areas, almost any kinematics can be generated over the entire bristle stock, which can be designed with a view to optimal cleaning, but also with regard to a cheap massage.
  • the eccentric areas of the drive member can rest against the back of the carrier without connection and transmit the necessary forces through friction and impact.
  • the drive member can also engage in the carrier in the region of its rear side and have the eccentric regions in the carrier itself, so that the deformation takes place predominantly inside the carrier.
  • the back of the carrier has spaced projections on which the eccentric regions of the drive member act.
  • the eccentric areas can also be arranged in the projections.
  • the drive member With its eccentric areas, the drive member can act on the projections essentially in the radial or also in the axial direction. But it can also be a combination nier direction of action, in particular be provided in an oscillating movement.
  • An axial component can be realized in the simplest way by arranging at least some eccentric areas of the drive member between the projections.
  • eccentric areas of the drive element are in recesses in the carrier, they are advantageously shaped such that the eccentric regions deform the carrier only on part of their path of movement, but do not influence their part on another part of their movement.
  • the bristle stock consists at least partially of bristles individually attached to the carrier.
  • the bristles can, if they are fixed in the starting position in such a way that they converge at their free ends, that is to say at their ends they lead to a bristle closure , are spread out by the eccentric areas of the drive member, so that the usable area of the bristle stock changes constantly under the action of the drive member.
  • the bristle stock consists wholly or partially of bundles of bristles and the missing part can be formed by individually standing bristles.
  • the distribution and arrangement of individually standing bristles and bristle bundles can be selected in the sense of an optimized cleaning effect.
  • the bundles of bristles are preferably fastened at the locations of the carrier on which the eccentric regions of the drive member act. These are preferably the places on which the carrier has projections on the back. This enables the bundles of bristles to be sufficiently deeply integrated in the carrier, while the thin-walled areas between the projections provide the necessary flexibility and damping.
  • the drive axis can be driven in a rotational, possibly also oscillating, manner. Instead or in addition, it can also be moved back and forth linearly.
  • the drive axle can in principle be driven manually or mechanically, but preference is given to a motor drive.
  • the eccentric areas of the drive element can be realized in a variety of forms.
  • the drive axle can have one or more radial forms or also individual radial arms.
  • the eccentric areas can also be realized by cranking the drive axis.
  • a plurality of radial features or cranks are preferably arranged one behind the other in the axial direction and is furthermore advantageous if the features or cranks are angularly offset with respect to the axis.
  • the frequency with which the flexible carrier is acted on can be varied by the number of eccentric areas and their angular offset. This is a particularly simple type of drive, since lent a continuous rotational movement is necessary in order to transmit movement pulses to the carrier and the bristle trimmings in any frequency.
  • the eccentric regions are parts of a component which is arranged in the region of the opening of the housing and is guided on the housing and on which the drive axis acts.
  • the drive axis with its eccentric regions, can be displaceable in the direction of its extension in adjustable operating positions, and the eccentric regions can act on the carrier at different locations and / or with different eccentricity in these positions.
  • FIG. 1 shows a section through a head of a driven brush in accordance with a first exemplary embodiment of the invention
  • FIG. 2 shows a section through a head of a driven brush according to a second embodiment. management example of the invention.
  • FIG 3 shows a section through a head of a brush according to a third exemplary embodiment of the invention.
  • FIG. 1 shows the front area or head of a brush 10 which has a housing 17 which defines an interior 19. At the front end of the housing 17 there is an opening 18 pointing upwards, which is spanned by a carrier 11 made of an elastic material, which is held in a sealing manner in its end regions in the edge region of the opening 18.
  • the carrier 11 consists of a rubber-elastic material and carries on its outside a bristle trim 12, which is only shown schematically.
  • a protruding thickening 11a is formed on its inner side facing the interior 19 of the housing 17, a protruding thickening 11a is formed.
  • a rod-like drive member 13 Arranged in the interior of the housing 17 is a rod-like drive member 13, which is located on its front, in the area of the
  • Opening 18 of the housing 17 lying end in a bearing 20 is rotatably mounted in the housing 17.
  • the drive member 13 is driven manually, mechanically or by motor.
  • the rod-like drive member 13 has a bulge 14 in its section below the thickening 11a, which in the example shown is formed by a one-sided bend.
  • the apex region of the bulge 14 lies in the position of the drive member 13 shown in FIG. 1 on the underside of the thickened portion 11a, the carrier 11 being under a prestress in this position.
  • the drive member 13 can be set in rotation, as indicated by the arrow R.
  • the bulge 14 is also rotated, which is thereby removed from the system with the Thickening 11a of the carrier 11 is released, whereupon due to its pretensioning it executes a movement directed towards the interior 19 of the housing 17.
  • the bulge 14 has approximately completed a complete rotation about the longitudinal axis of the rod-shaped drive member 13, it comes into contact again with the thickening 11a of the carrier 11 and presses it outward against its internal spring forces, ie into one from the interior 19 of the housing 17th outward direction.
  • the bulge 14 comes in recurring sequence into and out of contact with the thickening 11a of the carrier 11, so that the carrier 11 is constantly moved up and down, as a result of which the bristle facing 12 sitting on its outside experiences a movement , whose main component B runs in the longitudinal direction of the bristles. Since the carrier 11 in the illustrated embodiment is concave to the interior 19 of the housing 17 or convex to the outside, the bristles of the bristle setting 12 also experience a movement in a direction transverse to their longitudinal extension, so that overall a three-dimensional movement of the Bristles is reached.
  • drive element 13 can also be moved back and forth in its longitudinal direction, as indicated by double arrow L.
  • the front end of the drive member 13 is mounted in the housing 17 so as to be longitudinally displaceable, and the longitudinal adjustment of the drive member 13 also causes the bulge 14 to alternately come into and out of contact with the thickening 11a of the carrier 11.
  • Fig. 2 shows a second embodiment of the invention, which differs from the first embodiment essentially in that the drive member 13 is bent in its front end region by about 90 ° and with its bent free end 15 on the underside of the flexible membrane-like carrier 11 is present, which is formed in this embodiment without special thickening.
  • the drive member 13 is pivotally mounted in its front end region on a bearing block 21 formed on the housing 17 and can be pivoted in an oscillating manner about its longitudinal axis, as indicated by the double arrow O.
  • the bent free end 15 of the drive member 13 presses the carrier 11 outward in accordance with its respective pivoting position against its internal spring forces, so that the carrier 11 is moved up and down in an oscillating manner.
  • the drive member 13 can also be displaced in an oscillating manner in its longitudinal direction, as indicated by the double arrow L. This shifts the point of application of the bent free end 15 of the drive part 13 on the carrier 11 so that it is subjected to an eccentric bulge due to the drive member 13, which results in asymmetrical three-dimensional movements of the bristles of the bristle setting 12.
  • FIG. 3 shows an embodiment in which the three-dimensional movement of the bristle of the bristle setting 12 is generated solely by the brush pressure when the brush is used.
  • the brush 10 by bordered ⁇ a housing 17 defining an interior space 19, protrudes into the housing 17 a formed at the control part 16 with a control surface 16a.
  • the interior 19 has a opening 18 on the top, which is spanned by the membrane-like support 11, which consists of a rubber-elastic deformable material and is tightly attached to the housing in its edge region.
  • the carrier 11 has on its outer side facing away from the interior 19 a schematically indicated bristle trim 12.
  • a shoulder 22 is molded onto the carrier 11 and has a control surface 22a.
  • the two control surfaces 16a and 22a are each shown as inclined planes that are in contact with each other.
  • a pressure force is exerted on the carrier 11 from the outside via the bristle trim 12, as a result of which its attachment 22 with the control surface 22a is displaced along the control surface 16a of the control part 16.
  • the carrier 11 is displaced both in the vertical and in the horizontal direction, as indicated by the arrows H and B in FIG. 3.
  • the bristles of the bristle trim 12 experience a corresponding shift and adjustment.
  • the carrier 11 returns to its starting position due to its inherent elasticity, in which the two control surfaces 16a and 22a lie one on top of the other in a predetermined orientation.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Brushes (AREA)

Abstract

L'invention concerne une brosse constituée d'un support et d'un ensemble de poils pouvant se déplacer sous l'effet d'une pression appliquée à cette brosse. Ce support, flexible et conçu en une seule partie, présente un ensemble de poils solidement fixé sur sa première face et interagit sur son autre face avec une butée, commandant son orientation flexible sous l'application d'une pression à la brosse. Cette invention concerne également une brosse comprenant un corps, pourvu d'une ouverture, et un support présentant un ensemble de poils. Ce support, qui est agencé de façon mobile au niveau de cette ouverture, peut être mis en mouvement, avec l'ensemble de poils, par un élément d'entraînement installé dans le corps de la brosse. Dans ce mode de réalisation, ce support, qui est également flexible et conçu en une seule partie, est pourvu d'un ensemble de poils fixé sur sa première face et transmet par autodéformation le mouvement communiqué à son autre face par l'élément d'entraînement à cet ensemble. Cette autodéformation peut également entraîner une conversion vectorielle du mouvement.
EP02737938A 2001-04-10 2002-04-10 Brosse Withdrawn EP1377188A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2001118013 DE10118013A1 (de) 2001-04-10 2001-04-10 Bürste
DE10118013 2001-04-10
PCT/EP2002/003964 WO2002082947A1 (fr) 2001-04-10 2002-04-10 Brosse

Publications (1)

Publication Number Publication Date
EP1377188A1 true EP1377188A1 (fr) 2004-01-07

Family

ID=7681181

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02737938A Withdrawn EP1377188A1 (fr) 2001-04-10 2002-04-10 Brosse

Country Status (3)

Country Link
EP (1) EP1377188A1 (fr)
DE (1) DE10118013A1 (fr)
WO (1) WO2002082947A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006067749A2 (fr) 2004-12-21 2006-06-29 Koninklijke Philips Electronics, N.V. Systeme d'entrainement pour brosse a dents electrique utilisant une membrane souple de nettoyage des dents
US7761946B2 (en) 2007-01-19 2010-07-27 Colgate-Palmolive Company Toothbrush with powered head
US10646028B1 (en) 2019-03-12 2020-05-12 Nathan Quang Huynh Brush assemblies

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1517320A (en) 1923-03-12 1924-12-02 Stoddart John Pendreigh Toothbrush
US2882544A (en) 1957-10-23 1959-04-21 Puzant H Hadidian Tooth brush
US3082457A (en) 1961-05-26 1963-03-26 Florio R Lucibello Self-adapting tufts for brushes
FI47518C (fi) * 1971-11-15 1974-01-10 Isotorppa Nestetyynyhammasharja.
JPH0449937Y2 (fr) * 1990-05-11 1992-11-25
GB2247297A (en) 1990-08-21 1992-02-26 Chung Chin Fu Power-operated toothbrush
GB9211338D0 (en) * 1992-05-28 1992-07-15 Ausworld Consultants Limited Toothbrush
US5259083A (en) 1992-09-24 1993-11-09 1008335 Ontario Inc. Mechanical toothbrush
US5327608A (en) * 1992-12-17 1994-07-12 Kosakewich Michael P Moving bristle brush
DE4434187A1 (de) * 1994-09-24 1996-03-28 Gimelli & Co Ag Elektrische Zahnbürste
DE19538569A1 (de) 1995-10-17 1997-04-24 Coronet Werke Gmbh Borstenware mit verstellbarer Borstenhärte
CN2294034Y (zh) * 1995-11-01 1998-10-14 毅华工程有限公司 机械驱动式牙刷
DE29600236U1 (de) 1996-01-08 1996-03-07 Nian Mei Tzeng Jeng Elektrische Zahnbürste
DE29707213U1 (de) * 1997-04-22 1997-11-13 Pietz Hartfried Dipl Stom Zahnreiniger mit Putzvlies und Federstiftautomatik
DE19717334C1 (de) * 1997-04-24 1998-07-09 Braun Ag Bürstenteil für eine elektrische Zahnbürste
DE19949671A1 (de) * 1999-10-14 2001-04-19 Coronet Werke Gmbh Bürste, insbesondere Zahnbürste
EP1106103B1 (fr) * 1999-12-08 2005-03-30 Huo-Pia Wang Brosse à cheveux ayant un socle de poils pourvu de touffes coulissantes
FR2804586A1 (fr) * 2000-02-09 2001-08-10 Lucien Mugnier Brosse a dents manuelle a tete oscillante
DE20004597U1 (de) * 2000-03-11 2001-08-02 Wik Elektro Hausgeraete Elektrische Zahnbürste

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02082947A1 *

Also Published As

Publication number Publication date
DE10118013A1 (de) 2002-10-17
WO2002082947A1 (fr) 2002-10-24

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