EP0942668B1 - Zahnbürste mit auswechselbarem bürstenteil - Google Patents

Zahnbürste mit auswechselbarem bürstenteil Download PDF

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Publication number
EP0942668B1
EP0942668B1 EP97928249A EP97928249A EP0942668B1 EP 0942668 B1 EP0942668 B1 EP 0942668B1 EP 97928249 A EP97928249 A EP 97928249A EP 97928249 A EP97928249 A EP 97928249A EP 0942668 B1 EP0942668 B1 EP 0942668B1
Authority
EP
European Patent Office
Prior art keywords
housing
toothbrush according
head
support
pressure plate
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.)
Expired - Lifetime
Application number
EP97928249A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0942668A1 (de
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.)
Coronet Werke 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 EP0942668A1 publication Critical patent/EP0942668A1/de
Application granted granted Critical
Publication of EP0942668B1 publication Critical patent/EP0942668B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/04—Bristle carriers arranged in the brush body interchangeably removable bristle carriers
    • A46B7/042—Clip or snap connection for bristle carriers
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/04—Bristle carriers arranged in the brush body interchangeably removable bristle carriers

Definitions

  • the invention relates to a toothbrush with a handle, a formed as a housing open at least on one side Head, a brush part that can be inserted in its open side with a carrier and bristle trim and with locking means inside the housing and on the carrier for fixing the Brush part, the housing one the carrier in the area the periphery of the cheek and one from the back of the Head formed bottom and further on the head means for the tool-free pushing out of the brush part from the back of the head are provided.
  • Brushes are known (US 403 350, US 1 148 566, US 1 711 621, US 2 326 632), in which the bristle has Brush part subsequently in the actual brush body is inserted. This often happens from manufacturing technology Reasons and especially if a direct connection of the bristle bundles to the brush body, e.g. by thermal processes, such as welding, Injecting or the like is not possible.
  • Known embodiments in which the brush part from Brush body loosened and exchanged for another can be (GB 1932/1910).
  • Embodiments are the well-known Embodiments not or only insufficiently suitable.
  • Toothbrushes are needed far more often than anyone else Types of brushes. The reason is for one proper dental care frequent use (up to three times a day) and the resulting rapid Wear. Add to that the toothbrush too with relatively little wear, that with others Brushing would be acceptable, should be changed to always ensure optimal effectiveness.
  • toothbrushes are made by people of all ages and any level of education can be used as intended need, so that the replacement of the brush part in the simplest Wise and with little effort at the same time Sufficiently secure connection of the parts possible have to be.
  • the bristles attached to a support in the form of a thin plate and is this brush part in the frame or Interchangeably locked housing-like head (DE 30 38 895, 37 24 640).
  • the carrier has on its peripheral surface strip-like catches and the housing accordingly gutter-like Deepening.
  • the carrier also has its back is a peg that goes into a hole in the ground of the housing and one on the back of the head exposed printing area forms.
  • the carrier is in the Head snapped into place and can be pressed onto the pin be ejected.
  • the one to be replaced when the bristles wear out Plastic mass is reduced to a minimum and the interchangeable brush parts can be inexpensive due to the low use of materials produce.
  • a very stable and permanent connection of the brush part and head results from a known toothbrush (DE 41 04 314 A1) in that on the back of the Bracket molded two V-shaped strips to each other that run the entire length of the beam. These engage in a corresponding V-shape outward opening slot on the head, which in the The longitudinal axis also runs the entire length. At the The strips must be inserted as far inwards and towards each other be deformed so that they have the narrowest cross section of the V-shaped slot can then pass through spread in the slot. The elastically deformed parts the locking connection is therefore on the interchangeable part, where material fatigue is less significant.
  • this problem is solved by that the abutting surfaces on the cheek of the Housing and on the periphery of the carrier as complete smooth-walled sealing surfaces are formed and the Latching means offset inwards relative to the sealing surfaces, have resilient locking lugs in a room between the bottom of the case and the one facing it Rear of the carrier are arranged.
  • a major advantage of the invention is initially in that the functions "sealing" and "locking" are structurally separate.
  • the smooth periphery on Carrier and the equally smooth contact surface of the cheek form the prerequisite for a perfect tight These surfaces lie against each other. This can still be done by supports a slightly conical formation of these surfaces become.
  • the locking means as resilient locking lugs outside the sealing surfaces Cheek of the housing not by the locking and holding forces under tension and can not be there Cold flow come, so that they have their sealing function for a long time Time can fulfill. This creates voids, crevices etc. largely avoided that the toothbrush after Use as desired, dry quickly and thereby prevents the nesting of bacteria, like that Attachment or storage of dental care residues etc. is avoided.
  • the resilient locking lugs provide on the one hand, for a reliable locking on the other hand, it is also easier to replace.
  • the locking means are only inside the Housing between the bottom and the back of the
  • Adjust purpose e.g. rounded
  • the resilient locking lugs are in one area arranged in which their dimensioning is not due other constructive conditions is restricted. she can be designed so that their reliability over a long period of use. Further the entire, thin-walled cheek of the housing is Tensions kept clear.
  • the arrangement of the locking means on the one hand and the pressure surface provided for releasing on the other hand make sure that the brush part does not loosen untimely, as it will use the bristles when in use acting pressure does not lead to the release of the catch can, rather a more targeted, if less Pressure on the back of the head is necessary.
  • the easy Interchangeability of the brush part promotes use this system at the consumer, especially the possibility is given brush parts with different bristles Use hardness and arrangement.
  • the resilient locking lugs are on molded on the bottom of the housing projecting inwards and work together with depressions on the back of the carrier are formed.
  • An advantageous embodiment is characterized by this from that the housing on his the back of the brush head forming bottom has a through opening, the wall of which at least partially faces the resilient locking lugs is extended inwards and that the carrier one has pegs engaging in the through opening, whose end face for expressing the brush part forms an exposed printing area or with a printing area cooperates on the housing.
  • the through opening meets with its sleeve-like wall, multiple functions.
  • at least part of its wall is used for Formation of the resilient locking lugs, i.e. for positioning and fixation of the carrier.
  • Through opening the possibility on the back of the head Form printing area. It is either from which the Pin penetrating through opening directly, namely formed by its exposed face, or it is at the back of the head as the through opening closing part of the housing is formed, and affects the pressure applied to the printing surface the housing on the pin.
  • the cone With its exposed face, the cone forms the Printing area, so it is slightly better than the Contour the case at the back of the head, creating its Function is signaled and the pressure to release the Locking can be applied easily.
  • the aforementioned embodiment has in addition to the technical use Advantages in that the Toothbrush consists of only two components, namely the Handle with the head forming the housing and the brush part with the carrier and the bristles.
  • the toothbrush can therefore be produced easily and economically.
  • the through opening is preferably at the back of the Head by a pressure plate forming the printing surface closed, the inside of the face of the pin is present.
  • This version has the advantage that the head of the toothbrush is completely closed at the back. So there no sealing problems with all their possible disadvantages occur.
  • the printing area forming pressure plate made of a rubber-elastic material, e.g. an elastomer and subsequently on the opening edge the through opening used and for example fixed by latching on the wall of the opening or injection molded at the opening using the in-mold process his.
  • the pressure plate is at least so far elastic deformable that when pressure is applied to the pressure plate the distance required to detach the carrier becomes. The pressure is transferred from the printing plate to the Transfer pin so that the carrier in the printing direction is displaced and the latches are released.
  • the pressure plate can be a one-piece part of the head and either through an appropriately thin Wall thickness of the head in this area resilient or over a resilient wall section with the rest Housing connected.
  • the cover plate one-piece, but resilient part of the Head it can also be provided that the locking lugs molded on the side of the pressure plate on the bottom of the housing are and from the one that defines the carrier between them Locked position by pressing on the pressure plate with release of the wearer are spreadable.
  • the resilience of the detents can be practical any plastic by a certain length of Achieve locking lugs, whereas the housing is dimensionally stable can be. Nevertheless, through thinner wall sections achieve spring properties on the back of the head, around the pressure plate forming part of the housing to move with limited stroke. Let also such flexible wall sections in the area form the approach of the spring lugs on the housing so that when pressure is exerted on the printing plate, it is also displaced causes a spreading of the locking lugs and thereby the Carrier comes out of the latch and fall down can.
  • the cheeks completely or overlap the outside partially, with a full encroachment on flush Connection of the outer surfaces of the beam and cheek is an advantage is to avoid corners, niches or the like.
  • the Carrier on the side opposite the bristle trim has a peripheral edge with which he cheek overlaps on the outside.
  • This embodiment has the advantage that the carrier not only in the area of the bristle trim, but also on forms a closed surface on the sides of the head.
  • Both of the aforementioned embodiments have the advantage that given the outline of the head is the largest possible Number of bristles can be arranged on the carrier can.
  • the design of the housing according to the invention continues the possibility that the carrier made of an elastomer exists and seals against the cheek. This can still be supported by sealing lips.
  • the invention Training of the housing ensures that the Cheeks clamp the elastomer support frame-like and compress. In addition, in the area of the sealing surfaces increased frictional forces. This makes gaps safely avoided.
  • the bristles with their Carrier ends resiliently mounted.
  • the printing area of the rest of the housing stand out visually through the design of the surface be in this way the function of the user Display printing area.
  • This visual highlighting can through appropriate profiling, different material, Coloring or the like.
  • the housing can be on the outside at least in the area of Cheek a soft elastic covering as mucous membrane protection exhibit. This can also be the front cover the cheek and with its inner edge the peripheral surface of the wearer fit tightly.
  • the locking means in the inventive design are no longer arranged on the cheek of the housing, but only management and sealing tasks fulfilled, it can compared to the known embodiments be thinner. This allows the reverse Carrier area and thus the number of bristles or bundles enlarge.
  • the toothbrush shown in Figures 1 to 3 is made from a broken-off elongated handle 1, a head 2 and a replaceable brush part 3, the a carrier 4 with the bristle 5 from individual Bristle bundles 6 has.
  • the head 2 of the toothbrush is designed as a housing 7, in which the brush part 3 with its carrier 4 interchangeable is inserted.
  • the housing 7 has as lateral limitation of a circumferential cheek 8, which for Handle 1 is closed by a wall 9 ( Figure 2 and 4).
  • the peripheral cheek 8 forms with the wall 9 kind of rigid frame, which together with the back 10 a cavity open at the bottom for receiving the carrier 4 forms.
  • the housing also has a through opening 11, the Wall at least partially of protruding into the cavity, resilient locking lugs 12 is formed.
  • the one at the Side of the bristle stock 5 flat carrier 4 consists of a plate-shaped part 13, the outline of which at the Inside of the cheek 8 and the wall 9 formed outline corresponds, and a pin 14 which the through opening 11 passes through and is guided in this.
  • the pin 14 has a back 10 of the housing 7 not outstanding, exposed front side, the one Printing area 15 forms. This printing area can, like figure 1 shows, optically highlighted, possibly also be profiled on the surface.
  • the resilient locking lugs 12 in the area of the through opening 11 are correspondingly shaped locking recesses 16 on Carrier 4 assigned to the embodiment shown on the circumference of the pin 14 in the area of the transition to the plate-shaped part 13 and opposite to it are staggered inside.
  • the brush part 3 can be replaced in a simple manner and replace with a new brush part that with your finger on the printing surface 15 in the direction of Bristle pressure is exerted under which the resilient locking lugs 12 retreat to the outside, so that the brush part 3 falls down.
  • the bristles 6 of the brush part 3 can be varied Be attached to the support 4, e.g. in preformed Holes, using anchors or glue, but they can also welded to the carrier or with thickenings 17th provided to be injected into this.
  • the through opening 11 has an asymmetrical oval shape on and is the wall in the cavity of the housing 7 extended to the resilient locking lugs 12, the one form a circumferential ring.
  • the embodiment according to Figure 7 and 8 differs from that of Figure 5 and 6 only in that the through opening 11 and resilient locking lug 12 are circular.
  • FIGS. 9 to 14 protrudes the wall of the through opening 11 only partially in the Cavity to form the resilient locking lug 12 into it.
  • Figures 9 and 10 show a locking lug 12 which in has a substantial U-shape, while in the embodiment 11 and 12 the through opening 11 on the opposite narrow sides two forms resilient locking lugs 12 in the shape of an arc and in FIG. 13 and 14 the wall of the through opening on the long sides extended to the opposite locking lugs 12 is.
  • FIGS of housing and carrier are shown in FIGS of housing and carrier as well as the locking means shown.
  • a plate-shaped part 13 and one Pin 14 and is, like that forming the head Housing, similar to the embodiment shown in Figure 4.
  • the plate-shaped part 13 of the carrier 4 den lower end of the head and forms the cheek 8 its end face 18 an abutment for the top of the plate-shaped part 13 of the carrier 4. Otherwise the carrier 4 closes circumferentially flush with the outside cheek 8 off.
  • this is plate-shaped Part 13 of the carrier 4 on its top stepped inwards and lies with the step the end face 18 of the cheek 8. At the same time it is plate-shaped Part 13 with the retracted part on the Inside the cheek 8 out.
  • the coating 28 can the front of the Cheek 8 protrude and the circumference of the plate-shaped Part 13 fit tightly.
  • FIG. 17 shows one Carrier 4 with a plate-shaped part 13, which in turn at a step 19 on the inside of the cheek 8 of the head is stored and managed.
  • the Carrier 4 on its plate-shaped part 13 one after drawn up edge 20, in which the cheek 8 with a corresponding level intervenes on the inside.
  • Another Embodiment shows Figure 19, in which the cheek 8 without outer step behind the raised edge 20 of the carrier 4 takes hold.
  • resilient locking lugs 12 to the outside and is the carrier 4th provided with upstanding lugs 21 which the Form locking recesses 16, the locking lugs 12 on the outside spread.
  • the pin 14 extends through this Embodiment the through hole 11 with a larger Distance from the wall.
  • the through hole 11 is on the upper side by a pressure plate forming the printing surface 15 22 closed at 23 on the wall of the Through opening 11 is engaged or molded.
  • the pressure plate 22 is resilient.
  • the Underside of the pressure plate 22 is the front of the Pin 14 on. When pressure is exerted on the printing surface 22 Pin 14 moved down. In doing so, they displace rigid lugs 21 on the carrier, the resilient locking lugs 12 inwards so that the carrier 4 with the bristle bundles 6 is released.
  • a plate-shaped part 13 and one shorter than the previous embodiments Pin 24 on the detent recesses on its circumference 16 for the resilient locking lugs 12 forms.
  • the housing 7 has a pressure plate 25 in the middle, which over thin-walled resilient wall sections 26 with the housing connected is.
  • the resilient locking lugs are formed, which in turn has spring-loaded wall sections 27 are connected to the cheeks 8 of the housing 7.
  • the inner side of the Cheek 8 and the peripheral surface of the carrier 13 are smooth and tapered slightly inside, while the locking means 12, 16 are arranged inwardly offset above it are.

Landscapes

  • Brushes (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
EP97928249A 1996-06-22 1997-06-19 Zahnbürste mit auswechselbarem bürstenteil Expired - Lifetime EP0942668B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19624962 1996-06-22
DE19624962A DE19624962A1 (de) 1996-06-22 1996-06-22 Zahnbürste mit auswechselbarem Bürstenteil
PCT/EP1997/003207 WO1997049314A1 (de) 1996-06-22 1997-06-19 Zahnbürste mit auswechselbarem bürstenteil

Publications (2)

Publication Number Publication Date
EP0942668A1 EP0942668A1 (de) 1999-09-22
EP0942668B1 true EP0942668B1 (de) 2000-11-02

Family

ID=7797676

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97928249A Expired - Lifetime EP0942668B1 (de) 1996-06-22 1997-06-19 Zahnbürste mit auswechselbarem bürstenteil
EP97930373A Expired - Lifetime EP0910259B1 (de) 1996-06-22 1997-06-19 Zahnpflegegerät mit auswechselbarem pflegeteil

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97930373A Expired - Lifetime EP0910259B1 (de) 1996-06-22 1997-06-19 Zahnpflegegerät mit auswechselbarem pflegeteil

Country Status (25)

Country Link
US (2) US6138316A (enrdf_load_stackoverflow)
EP (2) EP0942668B1 (enrdf_load_stackoverflow)
JP (2) JP3821853B2 (enrdf_load_stackoverflow)
CN (2) CN1105529C (enrdf_load_stackoverflow)
AR (2) AR007434A1 (enrdf_load_stackoverflow)
AT (1) ATE191832T1 (enrdf_load_stackoverflow)
AU (2) AU717524B2 (enrdf_load_stackoverflow)
BR (2) BR9709936A (enrdf_load_stackoverflow)
CA (1) CA2258096A1 (enrdf_load_stackoverflow)
CZ (2) CZ289271B6 (enrdf_load_stackoverflow)
DE (3) DE19624962A1 (enrdf_load_stackoverflow)
ES (2) ES2152101T3 (enrdf_load_stackoverflow)
HU (2) HU222070B1 (enrdf_load_stackoverflow)
ID (2) ID17155A (enrdf_load_stackoverflow)
IN (2) IN191386B (enrdf_load_stackoverflow)
NO (1) NO985853L (enrdf_load_stackoverflow)
PL (2) PL186489B1 (enrdf_load_stackoverflow)
RO (1) RO115775B1 (enrdf_load_stackoverflow)
RU (2) RU2171084C2 (enrdf_load_stackoverflow)
SK (1) SK281757B6 (enrdf_load_stackoverflow)
TR (1) TR199802645T2 (enrdf_load_stackoverflow)
TW (2) TW392456U (enrdf_load_stackoverflow)
UA (2) UA55418C2 (enrdf_load_stackoverflow)
WO (2) WO1997049314A1 (enrdf_load_stackoverflow)
ZA (2) ZA975497B (enrdf_load_stackoverflow)

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USD764804S1 (en) 2013-11-05 2016-08-30 Colgate-Palmolive Company Oral care implement
USD749855S1 (en) 2013-11-05 2016-02-23 Colgate-Palmolive Company Oral care implement
EP3057466B1 (en) 2013-11-05 2018-04-11 Colgate-Palmolive Company Oral care implement
AU2013404989B2 (en) 2013-11-05 2016-11-17 Colgate-Palmolive Company Oral care implement
USD751295S1 (en) 2013-11-05 2016-03-15 Colgate-Palmolive Company Oral care implement
EP3057465B1 (en) 2013-11-05 2018-03-28 Colgate-Palmolive Company Oral care implement
KR101475903B1 (ko) * 2014-03-31 2014-12-23 (주)하배런메디엔뷰티 세안용 전동 브러쉬 장치
WO2017044072A1 (en) * 2015-09-08 2017-03-16 Colgate-Palmolive Company Oral care implement
US9980554B2 (en) * 2016-01-27 2018-05-29 Subayu Industrial Co., Ltd. Locking structure and brush head thereof for replaceable toothbrush
BR112018069790A2 (pt) 2016-04-20 2019-01-29 Trisa Holding Ag produto de escova e processo para produção do mesmo
US9820560B1 (en) 2016-10-19 2017-11-21 The Brushies Llc Animal character toothbrush
WO2020252503A1 (en) 2019-06-14 2020-12-17 The Procter & Gamble Company Device for applying emulsion compositions
JP2022536330A (ja) * 2019-06-14 2022-08-15 ザ プロクター アンド ギャンブル カンパニー エマルション組成物を塗布するためのキット
RU195189U1 (ru) * 2019-07-25 2020-01-17 Мария Валерьевна Веселова Сменное основание с щетиной для щетки
SG11202111849UA (en) * 2019-07-30 2021-11-29 World Wide Daily Holdings Co Ltd Toothbrush and device for attaching and/or detaching a toothbrush head
CN112293930A (zh) * 2019-07-30 2021-02-02 国际美活集团有限公司 牙刷以及用于安装和/或拆卸牙刷头的装置
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Publication number Publication date
PL330722A1 (en) 1999-05-24
RU2171084C2 (ru) 2001-07-27
PL186489B1 (pl) 2004-01-30
CZ421698A3 (cs) 1999-04-14
RO115775B1 (ro) 2000-06-30
NO985853D0 (no) 1998-12-14
JP3821853B2 (ja) 2006-09-13
CZ421598A3 (cs) 1999-04-14
HUP9903352A3 (en) 2000-06-28
AR007434A1 (es) 1999-10-27
ES2145612T3 (es) 2000-07-01
BR9709936A (pt) 1999-08-10
US6138316A (en) 2000-10-31
SK281757B6 (sk) 2001-07-10
CN1105529C (zh) 2003-04-16
UA55417C2 (uk) 2003-04-15
CN1222836A (zh) 1999-07-14
AU3435197A (en) 1998-01-14
ID19309A (id) 1998-07-02
PL330526A1 (en) 1999-05-24
CN1222837A (zh) 1999-07-14
HUP9902958A3 (en) 2000-07-28
ATE191832T1 (de) 2000-05-15
HU220332B (hu) 2001-12-28
EP0942668A1 (de) 1999-09-22
CA2258096A1 (en) 1997-12-31
IN192227B (enrdf_load_stackoverflow) 2004-03-20
CZ289680B6 (cs) 2002-03-13
CZ289271B6 (cs) 2001-12-12
SK175598A3 (en) 1999-07-12
TW392456U (en) 2000-06-01
ZA975498B (en) 1998-01-30
CN1109522C (zh) 2003-05-28
NO985853L (no) 1998-12-14
HUP9902958A2 (hu) 1999-12-28
DE59702578D1 (de) 2000-12-07
JP2000512522A (ja) 2000-09-26
ID17155A (id) 1997-12-04
JP2000513957A (ja) 2000-10-24
HUP9903352A2 (hu) 2000-02-28
IN191386B (enrdf_load_stackoverflow) 2003-11-29
ZA975497B (en) 1998-01-30
AU717524B2 (en) 2000-03-30
ES2152101T3 (es) 2001-01-16
BR9709935A (pt) 1999-08-10
TW392457U (en) 2000-06-01
RU2171085C2 (ru) 2001-07-27
DE59701476D1 (de) 2000-05-25
EP0910259A1 (de) 1999-04-28
PL183466B1 (pl) 2002-06-28
UA55418C2 (uk) 2003-04-15
EP0910259B1 (de) 2000-04-19
DE19624962A1 (de) 1998-01-02
TR199802645T2 (xx) 1999-03-22
AU3261697A (en) 1998-01-14
WO1997049314A1 (de) 1997-12-31
WO1997049315A1 (de) 1997-12-31
US6145153A (en) 2000-11-14
HU222070B1 (hu) 2003-04-28
AU717623B2 (en) 2000-03-30
AR007435A1 (es) 1999-10-27

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