EP0371293A2 - Zahnbürste, an der ein Teil als Abbiegungsprofil ausgebildet ist - Google Patents

Zahnbürste, an der ein Teil als Abbiegungsprofil ausgebildet ist Download PDF

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Publication number
EP0371293A2
EP0371293A2 EP89120761A EP89120761A EP0371293A2 EP 0371293 A2 EP0371293 A2 EP 0371293A2 EP 89120761 A EP89120761 A EP 89120761A EP 89120761 A EP89120761 A EP 89120761A EP 0371293 A2 EP0371293 A2 EP 0371293A2
Authority
EP
European Patent Office
Prior art keywords
brush head
stem
elastomer
rubber
toothbrush
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.)
Granted
Application number
EP89120761A
Other languages
English (en)
French (fr)
Other versions
EP0371293A3 (de
EP0371293B1 (de
Inventor
Klaus Bartsch
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.)
Procter and Gamble Co
Original Assignee
Blendax Werke R Schneider and Co GmbH
Blendax GmbH
Procter and Gamble 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6368051&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0371293(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Blendax Werke R Schneider and Co GmbH, Blendax GmbH, Procter and Gamble GmbH filed Critical Blendax Werke R Schneider and Co GmbH
Publication of EP0371293A2 publication Critical patent/EP0371293A2/de
Publication of EP0371293A3 publication Critical patent/EP0371293A3/de
Application granted granted Critical
Publication of EP0371293B1 publication Critical patent/EP0371293B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0054—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body
    • A46B5/0062—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body being flexible or resilient during use
    • A46B5/007—Inserts made of different material, e.g. springs, plates
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0054—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body
    • A46B5/0062—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body being flexible or resilient during use
    • 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 toothbrush with a deflecting part which has a deflection profile and is positioned between brush head and stem, serving to deflect the brush head when a certain contact pressure is reached.
  • German Offenlegungsschrift 3,706,345 discloses a similar toothbrush for manual or mechanical operation.
  • the brush head can be deflected on the brush stem when a certain contact pressure is reached, in such a way that an optimum contact pressure can be maintained when brushing the teeth.
  • the deflecting part is designed similar to a leaf spring, and can be cambered or angular and have a central longitudinal slit so that, when too high a contact pressure is exceeded, the brush head can move from its previously extended position into a deflec­ted position with respect to the longitudinal axis of the stem. This gives a signal to the user; further brushing of the teeth would also at least be made more difficult, if not impossible.
  • the deflection can occur more or less progressively or, beyond a click point, very fast.
  • the toothbrush Due to the narrowing of the deflecting part similar to a leaf spring, the toothbrush appears to be disproportioned, and due to the spring being exposed there is a risk of injuries to the mouth because of the edges, and of pinching if a longitudinal slit is present, when the toothbrush is used.
  • the object of the invention is to specify a toothbrush with a deflecting part having a deflection profile, which toothbrush has an attractively shaped appearance without the deflecting being obstructed, and is free from edges presenting a risk of injuries and free from slits.
  • a toothbrush consists of a brush head 1 with the bristles 2 and a transition part 3, a deflecting part 4 and a stem 5.
  • the deflecting part 4 connects the transition part 3 to the stem 5, serving as handle.
  • the deflecting part 4 can have a metallic leaf spring 6 or a link 7 of any type of material, including plastics.
  • the link 7 and the leaf spring 6 are entirely enclosed by a jacket 8 made of an elastomer, covering all sharp edges of the leaf spring 6 or of the link 7.
  • the jacket 8 made of elastomer is designed so that it forms a positive connec­tion of the free end of the transition part 3 of the brush head 1 with the connecting end of the stem 5 and nevertheless enables the leaf spring 6 or the link 7 to be deflected.
  • the jacket 8 can also serve the optical design of the toothbrush and, for example, have a concave or convex camber and can have different colours compared with the other parts of the toothbrush.
  • a metallic leaf spring 6 is used, this is preferably firmly anchored in the transition part 3 or in the stem 5, for example by means of the injection moulding pro­cedure.
  • the jacket 8 can either have been applied previously or it can be applied subsequently,when the transition part has already been firmly connected by means of the leaf spring 6 to the stem 5.
  • the brush head 1 can be made without bristles 2, the transi­tion part 3, the deflecting part 4 and the stem 5 can be manufactured of one material in one manufacturing step, for example by injection moulding.
  • the link 7 can also be manufactured in one piece with either the transition part 3 or the stem 5 and can then be plugged into a correspondingly designed indentation 9 ( Figure 4) of the respective complementary part.
  • a snap-on connection 10 is provided which ensures a firm connection of the link 7 in the transition part 3 and/or stem 5.
  • the leaf spring 6 or the link 7 are arranged and designed in such a way that the brush head 1 can only be deflected in the direction indicated by an arrow in Figure 2.
  • the jacket 8 can be applied as one piece around the leaf spring 6 or the link 7 by means of injection moulding.
  • a mechanical anchoring of the jacket 8 can also be provided, in which case indentations or undercuts 11 can be provided in the deflecting part 4 and/or at the end of the stem 5.
  • the jacket 8 would then have a slit (not represented) for pushing it on sideways, which can be bonded, if required.
  • the metallic leaf spring 6 preferably consists of electro­galvanized or chromium-plated steel, or of a rust-proof metal or metal alloy, preferably a copper beryllium alloy.
  • the elastomer of the jacket 8 preferably consists of natural or synthetic rubber, such as styrene-butadiene rubber, butyl rubber, ethylene rubber, propylene rubber, silicone rubber or an ethylene vinyl acetate copolymer or plasticized PVC, in which case a Shore hardness of A 40 to 80 is preferably to be provided.
  • natural or synthetic rubber such as styrene-butadiene rubber, butyl rubber, ethylene rubber, propylene rubber, silicone rubber or an ethylene vinyl acetate copolymer or plasticized PVC, in which case a Shore hardness of A 40 to 80 is preferably to be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Massaging Devices (AREA)
EP89120761A 1988-11-29 1989-11-09 Zahnbürste, an der ein Teil als Abbiegungsprofil ausgebildet ist Revoked EP0371293B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3840136 1988-11-29
DE3840136A DE3840136C1 (de) 1988-11-29 1988-11-29

Publications (3)

Publication Number Publication Date
EP0371293A2 true EP0371293A2 (de) 1990-06-06
EP0371293A3 EP0371293A3 (de) 1991-08-07
EP0371293B1 EP0371293B1 (de) 1996-01-31

Family

ID=6368051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89120761A Revoked EP0371293B1 (de) 1988-11-29 1989-11-09 Zahnbürste, an der ein Teil als Abbiegungsprofil ausgebildet ist

Country Status (11)

Country Link
EP (1) EP0371293B1 (de)
JP (1) JP2831401B2 (de)
KR (1) KR900007366A (de)
AT (1) ATE133541T1 (de)
CA (1) CA2004029A1 (de)
DE (2) DE3840136C1 (de)
DK (1) DK590189A (de)
ES (1) ES2081827T3 (de)
GR (1) GR3018854T3 (de)
IE (1) IE75897B1 (de)
NO (1) NO894524L (de)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19519674C1 (de) * 1995-05-30 1996-07-25 Uwe Heuler Federnde Zahnbürste
FR2743270A1 (fr) * 1996-01-10 1997-07-11 Smithkline Beecham Consumer Brosse a dents a tete flexible
WO1997025900A1 (en) 1996-01-18 1997-07-24 The Procter & Gamble Company Brush head
WO1997025899A1 (en) 1996-01-18 1997-07-24 The Procter & Gamble Company A toothbrush with elastomer filled flexible head
US5758383A (en) * 1995-12-29 1998-06-02 Colgate-Palmolive Company Contouring toothbrush head
WO1998027847A1 (en) 1996-12-24 1998-07-02 The Procter & Gamble Company Improvements in brush making
RU2145180C1 (ru) * 1994-10-07 2000-02-10 Коронет - Верке ГмбХ Зубная щетка (варианты)
AU722959B3 (en) * 1996-01-10 2000-08-17 Smithkline Beecham Consumer Healthcare Gmbh Toothbrush
WO2000064306A1 (en) 1999-04-22 2000-11-02 Glaxosmithkline Consumer Healthcare Gmbh & Co Kg Toothbrush
EP1300096A2 (de) 1994-07-13 2003-04-09 The Procter & Gamble Company Zahnbürste
WO2008017996A2 (en) 2006-08-10 2008-02-14 Ponzini S.P.A. Toothbrush with a head able to swing under torsion
US8973202B2 (en) 2010-02-26 2015-03-10 Trisa Holding Ag Oral hygiene device, particularly a toothbrush, and method for the production thereof
US9603441B2 (en) 2002-08-09 2017-03-28 Colgate-Palmolive Company Toothbrush
US10512323B2 (en) 2002-08-09 2019-12-24 Colgate-Palmolive Company Oral care implement

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01161782U (de) * 1988-04-30 1989-11-10
DE3923495C1 (de) * 1989-07-15 1991-01-24 M + C Schiffer Gmbh, 5466 Neustadt, De
GB9106511D0 (en) 1991-03-27 1991-05-15 Lingner & Fischer Gmbh Novel article
JPH05221517A (ja) * 1992-02-13 1993-08-31 Murata Mach Ltd トラバース機構
DE4223697C2 (de) * 1992-07-18 1993-10-07 Jovica Vukosavljevic Zahnbürste
DE4229152A1 (de) * 1992-09-01 1994-03-03 Jordan As Oslo Zahnbürste sowie Herstellungsverfahren für Zahnbürsten
DE9310112U1 (de) * 1993-07-07 1994-06-09 Hoffmann, Kay, Dr., 53639 Königswinter Zahnbürste
USD353050S (en) 1993-10-27 1994-12-06 Colgate-Palmolive Company Toothbrush
DE19530057A1 (de) * 1995-08-16 1997-02-20 Coronet Werke Gmbh Bürste und Verfahren zu ihrer Herstellung
US6996870B2 (en) 1995-12-29 2006-02-14 Colgate-Palmolive Company Contouring toothbrush head
EP0966901B1 (de) * 1995-12-29 2004-11-17 Colgate-Palmolive Company Zahnbürste mit federnden Kopfteil
DE19608226A1 (de) * 1996-03-04 1997-09-11 Kurt Dipl Ing Kessler Zahnbürste mit elastisch angelenkten wechselbarem Bürstenkopf
DK0969750T3 (da) 1997-02-24 2003-05-05 Smithkline Beecham Consumer Tandbørste
US5876207A (en) * 1997-06-03 1999-03-02 Gillette Canada Inc. Pressure-sensing toothbrush
DE19727018B4 (de) * 1997-06-25 2007-04-05 Trisa Holding Ag Elektrische Zahnbürste mit beweglichem Bürstenkörper
KR100350325B1 (ko) * 2000-03-29 2002-08-28 주식회사 엘지씨아이 유연한 손잡이를 갖는 칫솔
US7908699B2 (en) 2001-07-03 2011-03-22 Colgate-Palmolive Company Oral care implement
NO322158B1 (no) * 2002-07-26 2006-08-21 Jordan As Tannborste
US8876221B2 (en) 2002-08-09 2014-11-04 Colgate-Palmolive Company Oral care implement
US7614111B2 (en) 2002-08-09 2009-11-10 Colgate-Palmolive Company Oral care implement
US7721376B2 (en) 2002-09-20 2010-05-25 Colgate-Palmolive Company Oral care implement
US8806695B2 (en) 2002-08-09 2014-08-19 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US20060026784A1 (en) 2002-08-09 2006-02-09 Colgate-Palmolive Company Oral care implement
DE102006026165B4 (de) * 2006-06-06 2014-10-23 Frauke Denniger Zahnbürste
AU2008100507A4 (en) * 2008-06-03 2008-07-03 McCusker, Robert Martin Mr Toothbrush
USD642802S1 (en) 2008-08-29 2011-08-09 Colgate-Palmolive Company Toothbrush
US8776302B2 (en) 2008-08-29 2014-07-15 Colgate-Palmolive Company Oral care implement
USD642803S1 (en) 2008-08-29 2011-08-09 Colgate-Palmolive Company Toothbrush
USD632084S1 (en) 2008-08-29 2011-02-08 Colgate-Palmolive Company Toothbrush
USD655916S1 (en) 2008-08-29 2012-03-20 Colgate-Palmolive Company Toothbrush
WO2010151582A1 (en) 2009-06-26 2010-12-29 The Gillette Company Pressure indicator for a tooth brush
USD655918S1 (en) 2009-12-15 2012-03-20 Colgate-Palmolive Company Toothbrush
USD671325S1 (en) 2009-12-15 2012-11-27 Colgate-Palmolive Company Toothbrush
USD642804S1 (en) 2009-12-15 2011-08-09 Colgate-Palmolive Company Toothbrush
USD655917S1 (en) 2009-12-15 2012-03-20 Colgate-Palmolive Company Toothbrush
USD631257S1 (en) 2009-12-15 2011-01-25 Colgate-Palmolive Company Toothbrush
GB201104024D0 (en) 2011-03-09 2011-04-20 Glaxosmithkline Consumer Healt Novel device
EP2978341B1 (de) 2013-03-28 2018-05-09 Colgate-Palmolive Company Mundpflegevorrichtung
AU351428S (en) 2013-03-28 2013-10-22 Colgate Palmolive Co Toothbrush and portions thereof
JPWO2015137487A1 (ja) * 2014-03-14 2017-04-06 ライオン株式会社 歯ブラシ用ハンドル体、歯ブラシ、及び歯ブラシ用ハンドル体の製造方法
US11006738B2 (en) * 2017-01-26 2021-05-18 Unger Marketing International, Llc Cleaning devices having selectively flexible or rigid handles
US11458515B2 (en) 2017-01-26 2022-10-04 Unger Marketing International, Llc Cleaning devices for cleaning of difficult to reach locations
CN113081355B (zh) * 2021-04-16 2026-05-01 林高生 电动牙刷刷头及电动牙刷
US20250213028A1 (en) * 2023-12-29 2025-07-03 Eulogio A. Guzmán-Lugo Ergonomic flexible and adjustable brushes
DE102025000349B4 (de) 2025-01-29 2025-12-18 Jovica Vukosavljevic Zahnbürste
DE102026001036A1 (de) 2026-02-24 2026-04-30 Jovica Vukosavljevic Zahnbürste mit haptischer Wahrnehmung einer zu hohen Putzkraft

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE260612C (de) *
FR442832A (fr) * 1912-04-18 1912-09-10 Georges Prevost Brosse à dents flexible
US2083217A (en) * 1934-07-14 1937-06-08 Edwin I Brothers Prophylactic device for the oral cavity
FR2053885A5 (de) * 1969-07-22 1971-04-16 Berning Bernard
DE2402785C3 (de) * 1974-01-22 1979-11-08 Willi 5421 Fachbach Lohmann Zahnbürste
JPS5345814Y2 (de) * 1975-07-08 1978-11-02
DE3238035A1 (de) * 1982-10-14 1984-04-19 Ludwig Dipl.-Ing. Lang Geteilte zahnbuerste mit wechselbuerstenkoepfen
DE3200681A1 (de) * 1982-01-13 1983-07-28 Ludwig Dipl.-Ing. Lang Geteilte zahnbuerste mit wechselbuerstenkoepfen
US4691405A (en) * 1985-07-29 1987-09-08 Reed Joseph C Toothbrush having adjustable bristle-mounted tabs
DE3612108A1 (de) * 1986-04-10 1987-10-15 Rainer Dr Seib Zahnbuerste mit elastischem verbindungselement zwischen buerstenkopf und griff
DE3805326A1 (de) * 1987-02-27 1988-09-08 Mierau Hans Dieter Prof Dr Zahnbuerste

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1300096A2 (de) 1994-07-13 2003-04-09 The Procter & Gamble Company Zahnbürste
RU2145180C1 (ru) * 1994-10-07 2000-02-10 Коронет - Верке ГмбХ Зубная щетка (варианты)
DE19519674C1 (de) * 1995-05-30 1996-07-25 Uwe Heuler Federnde Zahnbürste
WO1996038067A1 (de) * 1995-05-30 1996-12-05 Uwe Heuler Federnde zahnbürste
US5987690A (en) * 1995-05-30 1999-11-23 Heuler; Uwe Resilient toothbrush
US5758383A (en) * 1995-12-29 1998-06-02 Colgate-Palmolive Company Contouring toothbrush head
US6073299A (en) * 1995-12-29 2000-06-13 Colgate-Palmolive Company Contouring toothbrush head
US6442787B2 (en) 1995-12-29 2002-09-03 Colgate-Palmolive Company Contouring toothbrush head
US6314606B1 (en) 1995-12-29 2001-11-13 Colgate-Palmolive Company Contouring toothbrush head
FR2743270A1 (fr) * 1996-01-10 1997-07-11 Smithkline Beecham Consumer Brosse a dents a tete flexible
US6101659A (en) * 1996-01-10 2000-08-15 Smithkline Beecham Gmbh Toothbrush
AU722959B3 (en) * 1996-01-10 2000-08-17 Smithkline Beecham Consumer Healthcare Gmbh Toothbrush
AU723083B2 (en) * 1996-01-10 2000-08-17 Smithkline Beecham Consumer Healthcare Gmbh Toothbrush
WO1997024949A1 (en) * 1996-01-10 1997-07-17 Smithkline Beecham Consumer Healthcare Gmbh Toothbrush
AP1115A (en) * 1996-01-10 2002-10-25 Smithkline Beecham Consumer Healthcare Gmbh Toothbrush.
WO1997025899A1 (en) 1996-01-18 1997-07-24 The Procter & Gamble Company A toothbrush with elastomer filled flexible head
EP2335517A1 (de) 1996-01-18 2011-06-22 The Procter & Gamble Company Zahnbürste mit einem elastomergefüllten federnden Kopfteil
WO1997025900A1 (en) 1996-01-18 1997-07-24 The Procter & Gamble Company Brush head
WO1998027847A1 (en) 1996-12-24 1998-07-02 The Procter & Gamble Company Improvements in brush making
WO2000064306A1 (en) 1999-04-22 2000-11-02 Glaxosmithkline Consumer Healthcare Gmbh & Co Kg Toothbrush
US9603441B2 (en) 2002-08-09 2017-03-28 Colgate-Palmolive Company Toothbrush
US10512323B2 (en) 2002-08-09 2019-12-24 Colgate-Palmolive Company Oral care implement
WO2008017996A2 (en) 2006-08-10 2008-02-14 Ponzini S.P.A. Toothbrush with a head able to swing under torsion
US8973202B2 (en) 2010-02-26 2015-03-10 Trisa Holding Ag Oral hygiene device, particularly a toothbrush, and method for the production thereof

Also Published As

Publication number Publication date
DK590189A (da) 1990-05-30
DK590189D0 (da) 1989-11-24
NO894524D0 (no) 1989-11-13
EP0371293A3 (de) 1991-08-07
DE68925567D1 (de) 1996-03-14
JP2831401B2 (ja) 1998-12-02
EP0371293B1 (de) 1996-01-31
ES2081827T3 (es) 1996-03-16
CA2004029A1 (en) 1990-05-29
NO894524L (no) 1990-05-30
ATE133541T1 (de) 1996-02-15
KR900007366A (ko) 1990-06-01
DE3840136C1 (de) 1990-05-17
IE75897B1 (en) 1997-09-24
DE68925567T2 (de) 1996-08-14
JPH02257904A (ja) 1990-10-18
IE893793L (en) 1990-05-29
GR3018854T3 (en) 1996-05-31

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