US2209173A - Toothbrush - Google Patents
Toothbrush Download PDFInfo
- Publication number
- US2209173A US2209173A US117189A US11718936A US2209173A US 2209173 A US2209173 A US 2209173A US 117189 A US117189 A US 117189A US 11718936 A US11718936 A US 11718936A US 2209173 A US2209173 A US 2209173A
- Authority
- US
- United States
- Prior art keywords
- bristles
- elongated
- flat
- tufts
- tuft
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
Definitions
- This invention relates to a new and improved form of toothbrush for cleaning and polishing all the surfaces of the teeth and for massaging the gums. Some tooth surfaces are exposed and are practically immune to the ravages of tooth decay, while the grooves, fissures and the approximal contact surfaces are susceptible.
- Fig. l is a side view of a toothbrush assembled in accordance with the invention.
- Fig. 2 is a sectional view taken adjacent the base of the bristles
- Fig. 3 shows a step in the assembly of the bristles
- Fig. 4 is an end view of an elongated tuft of bristles in assembled position after the flattening operation
- Fig. 5 is a view of three elongated tufts of bristles contacting at their outer edges.
- a toothbrush head and handle I0 is provided with three sets of elongated tufts of flat bristles l arranged across the brush head and two sets of shorter elongated tufts of flat bristles 2 arranged essentially at right angle to and in alternate position with the three sets of cross elongated tufts of bristles.
- the flat type of bristles are arranged in flat continuous elongated tufts of bristles instead of ordinary bunches of bristles forming tufts, so as to properly cleanse and polish the interdental areas which are more susceptible to tooth decay, and at the same time stimulate the gums by side massage action which increases its tone and prevents pyorrhea.
- Flat bristles will penetrate more deeply into grooves, fissures and the susceptible interdental spaces than the round bristles by virtue of their wedging action and thereby increase brushing efliciency. As disclosed in Fig.
- I represents a continuous center elongated tuft of flat bristles with elongated tufts of bristles on each side of the center elongated tuft of bristles to afford support, and to more properly fill in the interdental spaces to polish caries susceptible tooth areas and massage the gums.
- the bristles are anchored by folding them substantially at their midpoint about a pin 5, insert- 15 ing the folded bristles and pin in a U-shaped metal strip 6 and thereafter clamping the strip about the pin and bristles. This forms a secure attachment for the bristles and also keeps them in a continuous flat elongated tuft.
- the bristles 20 now may be flattened on two sides and are then ready to be placed in the brush head. The flattening operation may be carried out in any desired manner; for example, the bristles may be flattened by placing a continuous elongated tuft 25 of bristles on a plane surface and subjecting the bristles to the action of a grinding tool.
- Elongated rows of bristles as herein set forth as described consist of flat bristles in elongated rows as heretofore described and 40 set forth in the claims, and may be flattened en masse in such rows by flattening the rows against a flat grinding surface, first on one side and then the other side of the bristles.
- a toothbrush having an elongated tuft of bristles in contact with each other at their outer ends, the outer sides of the bristles being flattened to provide sides inclined to the longitudinal axis of the bristles, forming an elongated tuft of bristles having flattened faces on opposite sides tapering to a flat end edge.
- a toothbrush having a plurality of tufts as groups comprising a centrally located elongated vertical tuft of flat bristles and outer tufts of flat bristles inclined towards said central tuft to form an inverted V-shaped brushing surface.
- a toothbrush having tufts of flat bristles as claimed in claim 1, said tufts being assembled in a plurality of groups, each of said groups comprising a centrally located elongated vertical tuft of flat bristles and outer tufts of flat bristles inclined towards said central tuft, said groups being alternately positioned transversely and longitudinally of the brush head.
- a plurality of elongated tufts of flat bristles the sides of each tuft being tapered for a considerable distance along the bristles to form a sharp outer edge in contact with similar edges of the other tufts inclined thereto.
- a bristle adapted for use in a toothbrush comprising a body portion of a hard. resilient character having flat surfaces on opposite sides thereof, said surfaces meeting each other at the outer end of said bristle thus forming a bristle having substantially flat sides extending over a major portion thereof, whereby uniform action 1ciigdbendingand stiifening in cleaning action is each tapering towards their outer free end which ends contact with each other.
Description
July 23, 1940.
A. Y. RUSSELL 9,173
TOOTHBRUSH Filed Dec. 22, 1936 Patented July 23, 1940 UNITED STATES PATENT OFFICE Application December 2 7 Claims.
This invention relates to a new and improved form of toothbrush for cleaning and polishing all the surfaces of the teeth and for massaging the gums. Some tooth surfaces are exposed and are practically immune to the ravages of tooth decay, while the grooves, fissures and the approximal contact surfaces are susceptible.
None of the conventional types of toothbrushes, with round bristles, cleanse and polish these susceptible areas properly. The round bristles can cleanse only that portion of the tooth surface which its round surface contacts. However, when a round toothbrush bristle, of a given diameter, is reduced to a fiat bristle it will contact, cleanse and polish many times as much tooth surface.
In the accompanying drawing:
Fig. l is a side view of a toothbrush assembled in accordance with the invention;
Fig. 2 is a sectional view taken adjacent the base of the bristles;
Fig. 3 shows a step in the assembly of the bristles;
Fig. 4 is an end view of an elongated tuft of bristles in assembled position after the flattening operation;
Fig. 5 is a view of three elongated tufts of bristles contacting at their outer edges.
In a preferred form of the invention a toothbrush head and handle I0 is provided with three sets of elongated tufts of flat bristles l arranged across the brush head and two sets of shorter elongated tufts of flat bristles 2 arranged essentially at right angle to and in alternate position with the three sets of cross elongated tufts of bristles.
The flat type of bristles are arranged in flat continuous elongated tufts of bristles instead of ordinary bunches of bristles forming tufts, so as to properly cleanse and polish the interdental areas which are more susceptible to tooth decay, and at the same time stimulate the gums by side massage action which increases its tone and prevents pyorrhea. Flat bristles will penetrate more deeply into grooves, fissures and the susceptible interdental spaces than the round bristles by virtue of their wedging action and thereby increase brushing efliciency. As disclosed in Fig. l, I represents a continuous center elongated tuft of flat bristles with elongated tufts of bristles on each side of the center elongated tuft of bristles to afford support, and to more properly fill in the interdental spaces to polish caries susceptible tooth areas and massage the gums.
As further disclosed in Fig. 1, 2 represents similar elongated tufts of smaller and shorter bristles 2, 1936, Serial No. 117,189
placed essentially at right angles to the first set of elongated tufts of bristles, for the purpose of cleansing and polishing the exposed surfaces of the teeth and for massaging the adjacent portion of the gum.
To produce flat bristles and retain them in their flat position it is necessary for them to be clamped into flat continuous elongated tufts of bristles as disclosed in Fig. 4 and subjected to the flattening operation prior to their being placed 10 into the head of -the toothbrush at the proper position and at the proper inclination to the center row as indicated in Fig. 5.
The bristles are anchored by folding them substantially at their midpoint about a pin 5, insert- 15 ing the folded bristles and pin in a U-shaped metal strip 6 and thereafter clamping the strip about the pin and bristles. This forms a secure attachment for the bristles and also keeps them in a continuous flat elongated tuft. The bristles 20 now may be flattened on two sides and are then ready to be placed in the brush head. The flattening operation may be carried out in any desired manner; for example, the bristles may be flattened by placing a continuous elongated tuft 25 of bristles on a plane surface and subjecting the bristles to the action of a grinding tool. This action is continued until the round side of the bristle has been removed and a flattened side formed thereon as indicated in the views shown in 30 Figs. 1 and 4. The continuous elongated tuft of bristles may then be turned over and the above operation carried out on the reverse side thereof.
In this specification and claims, when the term elongated tuft, or a similar term, is used a dis- 85 tinction must be made between that term and what is ordinarily known as tuft of bristles, or bulk of bristles. Elongated rows of bristles as herein set forth as described consist of flat bristles in elongated rows as heretofore described and 40 set forth in the claims, and may be flattened en masse in such rows by flattening the rows against a flat grinding surface, first on one side and then the other side of the bristles.
Having thus described this invention, what I claim to be new, and on which I desire to secure by Letters Patent is:
l. A toothbrush having an elongated tuft of bristles in contact with each other at their outer ends, the outer sides of the bristles being flattened to provide sides inclined to the longitudinal axis of the bristles, forming an elongated tuft of bristles having flattened faces on opposite sides tapering to a flat end edge.
2. A toothbrush having a plurality of tufts as groups comprising a centrally located elongated vertical tuft of flat bristles and outer tufts of flat bristles inclined towards said central tuft to form an inverted V-shaped brushing surface.
4. A toothbrush having tufts of flat bristles as claimed in claim 1, said tufts being assembled in a plurality of groups, each of said groups comprising a centrally located elongated vertical tuft of flat bristles and outer tufts of flat bristles inclined towards said central tuft, said groups being alternately positioned transversely and longitudinally of the brush head.
5. In a brush, a plurality of elongated tufts of flat bristles, the sides of each tuft being tapered for a considerable distance along the bristles to form a sharp outer edge in contact with similar edges of the other tufts inclined thereto.
6. A bristle adapted for use in a toothbrush comprising a body portion of a hard. resilient character having flat surfaces on opposite sides thereof, said surfaces meeting each other at the outer end of said bristle thus forming a bristle having substantially flat sides extending over a major portion thereof, whereby uniform action 1ciigdbendingand stiifening in cleaning action is each tapering towards their outer free end which ends contact with each other.
ALLII. Y. RUSSMI.
L's toothbrush having an elongated tuft of
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US117189A US2209173A (en) | 1936-12-22 | 1936-12-22 | Toothbrush |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US117189A US2209173A (en) | 1936-12-22 | 1936-12-22 | Toothbrush |
Publications (1)
Publication Number | Publication Date |
---|---|
US2209173A true US2209173A (en) | 1940-07-23 |
Family
ID=22371402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US117189A Expired - Lifetime US2209173A (en) | 1936-12-22 | 1936-12-22 | Toothbrush |
Country Status (1)
Country | Link |
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US (1) | US2209173A (en) |
Cited By (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2599191A (en) * | 1947-07-02 | 1952-06-03 | Roland J Meunier | Dental brush having looped bristles |
US2637870A (en) * | 1949-01-11 | 1953-05-12 | Max H Cohen | Toothbrush construction |
US3007441A (en) * | 1959-05-18 | 1961-11-07 | Bird A Eyer | Tooth brush for use on domestic animals |
US4115893A (en) * | 1976-07-07 | 1978-09-26 | Pigeon Kabushiki Kaisha | Gum brush for infants |
EP0449655A1 (en) * | 1990-03-29 | 1991-10-02 | Colgate-Palmolive Company | Toothbrush |
US5335389A (en) * | 1990-03-29 | 1994-08-09 | Colgate-Palmolive Company | Plaque removing toothbrush |
US5459899A (en) * | 1993-05-24 | 1995-10-24 | Bauer; Jerome | Interstitial flossing toothbrush |
US5628082A (en) * | 1995-03-22 | 1997-05-13 | Colgate-Palmolive Company | Toothbrush with improved efficacy |
USD387206S (en) * | 1995-08-29 | 1997-12-09 | Sunstar Kabushiki Kaisha | toothbrush head |
US5724697A (en) * | 1996-08-02 | 1998-03-10 | Colgate-Palmolive Company | Toothbrush construction |
US5758383A (en) * | 1995-12-29 | 1998-06-02 | Colgate-Palmolive Company | Contouring toothbrush head |
US5799353A (en) * | 1995-12-01 | 1998-09-01 | Sunstar Inc. | Toothbrush |
USD403510S (en) * | 1997-09-29 | 1999-01-05 | Mcneil-Ppc, Inc. | Brushhead for a toothbrush |
WO1999045819A1 (en) | 1998-03-12 | 1999-09-16 | Colgate-Palmolive Company | Prophy toothbrush |
US6202241B1 (en) * | 1998-09-10 | 2001-03-20 | Optiva Corporation | Brushhead for use in an acoustic toothbrush |
US6370726B1 (en) * | 2000-02-11 | 2002-04-16 | Lata R Kini | Dynamic toothbrush |
US20020152570A1 (en) * | 1995-12-29 | 2002-10-24 | Douglas Hohlbein | Contouring toothbrush head |
US20030208865A1 (en) * | 2002-03-14 | 2003-11-13 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Toothbrush |
US20050166344A1 (en) * | 2002-09-20 | 2005-08-04 | Colgate-Palmolive Company | Oral care implement |
US20050189000A1 (en) * | 2001-01-12 | 2005-09-01 | Cacka Joe W. | Flosser with motor integrated with vibrating head |
US20100050356A1 (en) * | 2008-08-29 | 2010-03-04 | Colgate-Palmolive Company | Oral care implement |
USD631257S1 (en) | 2009-12-15 | 2011-01-25 | Colgate-Palmolive Company | Toothbrush |
USD632084S1 (en) | 2008-08-29 | 2011-02-08 | Colgate-Palmolive Company | Toothbrush |
US7908699B2 (en) | 2001-07-03 | 2011-03-22 | Colgate-Palmolive Company | Oral care implement |
USD642803S1 (en) | 2008-08-29 | 2011-08-09 | Colgate-Palmolive Company | Toothbrush |
USD642802S1 (en) | 2008-08-29 | 2011-08-09 | Colgate-Palmolive Company | Toothbrush |
USD642804S1 (en) | 2009-12-15 | 2011-08-09 | Colgate-Palmolive Company | Toothbrush |
USD655916S1 (en) | 2008-08-29 | 2012-03-20 | Colgate-Palmolive Company | Toothbrush |
USD655917S1 (en) | 2009-12-15 | 2012-03-20 | Colgate-Palmolive Company | Toothbrush |
USD655918S1 (en) | 2009-12-15 | 2012-03-20 | Colgate-Palmolive Company | Toothbrush |
USD671325S1 (en) | 2009-12-15 | 2012-11-27 | Colgate-Palmolive Company | Toothbrush |
US8393042B2 (en) | 2002-08-09 | 2013-03-12 | Colgate-Palmolive Company | Oral care implement |
US8561247B2 (en) | 2002-08-09 | 2013-10-22 | Colgate-Palmolive Company | Oral care implement |
US8595886B2 (en) | 2010-06-16 | 2013-12-03 | Dr. Fresh, Llc | Bristle configuration |
US8800093B2 (en) | 2002-08-09 | 2014-08-12 | 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 |
US8876221B2 (en) | 2002-08-09 | 2014-11-04 | Colgate-Palmolive Company | Oral care implement |
US8943634B2 (en) | 2011-05-02 | 2015-02-03 | Water Pik, Inc. | Mechanically-driven, sonic toothbrush system |
US8990996B2 (en) | 2002-08-09 | 2015-03-31 | Colgate-Palmolive Company | Toothbrush |
WO2015183272A1 (en) * | 2014-05-29 | 2015-12-03 | Colgate-Palmolive Company | Oral care implement |
US9468511B2 (en) | 2013-03-15 | 2016-10-18 | Water Pik, Inc. | Electronic toothbrush with vibration dampening |
US9987109B2 (en) | 2013-03-15 | 2018-06-05 | Water Pik, Inc. | Mechanically-driven, sonic toothbrush and water flosser |
USD844997S1 (en) | 2016-12-15 | 2019-04-09 | Water Pik, Inc. | Toothbrush handle |
USD845636S1 (en) | 2016-12-15 | 2019-04-16 | Water Pik, Inc. | Toothbrush handle |
US10449023B2 (en) | 2015-07-08 | 2019-10-22 | Water Pik, Inc. | Oral cleansing device with energy conservation |
US10561480B2 (en) | 2016-05-09 | 2020-02-18 | Water Pik, Inc. | Load sensing for oral devices |
US10610008B2 (en) | 2016-12-15 | 2020-04-07 | Water Pik, Inc. | Brushing device with illumination features |
US10687609B2 (en) | 2014-07-23 | 2020-06-23 | Colgate-Palmolive Company | Oral care implement |
-
1936
- 1936-12-22 US US117189A patent/US2209173A/en not_active Expired - Lifetime
Cited By (85)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2599191A (en) * | 1947-07-02 | 1952-06-03 | Roland J Meunier | Dental brush having looped bristles |
US2637870A (en) * | 1949-01-11 | 1953-05-12 | Max H Cohen | Toothbrush construction |
US3007441A (en) * | 1959-05-18 | 1961-11-07 | Bird A Eyer | Tooth brush for use on domestic animals |
US4115893A (en) * | 1976-07-07 | 1978-09-26 | Pigeon Kabushiki Kaisha | Gum brush for infants |
EP0449655A1 (en) * | 1990-03-29 | 1991-10-02 | Colgate-Palmolive Company | Toothbrush |
GR910100148A (en) * | 1990-03-29 | 1992-06-30 | Colgate Palmolive Co | Toothbrush |
US5335389A (en) * | 1990-03-29 | 1994-08-09 | Colgate-Palmolive Company | Plaque removing toothbrush |
TR26508A (en) * | 1990-03-29 | 1995-03-15 | Colgate Palmolive Co | A BRUSH DESIGNED THAT WILL LEATHER FROM THE DENTALS BY MANUALLY BRUSHING. |
US5446940A (en) * | 1990-03-29 | 1995-09-05 | Colgate-Palmolive Company | Toothbrush |
US5459899A (en) * | 1993-05-24 | 1995-10-24 | Bauer; Jerome | Interstitial flossing toothbrush |
US5628082A (en) * | 1995-03-22 | 1997-05-13 | Colgate-Palmolive Company | Toothbrush with improved efficacy |
USD387206S (en) * | 1995-08-29 | 1997-12-09 | Sunstar Kabushiki Kaisha | toothbrush head |
US5799353A (en) * | 1995-12-01 | 1998-09-01 | Sunstar Inc. | Toothbrush |
KR100403437B1 (en) * | 1995-12-01 | 2004-02-05 | 산스타 가부시끼 가이샤 | Toothbrush |
US6442787B2 (en) | 1995-12-29 | 2002-09-03 | Colgate-Palmolive Company | Contouring toothbrush head |
US5758383A (en) * | 1995-12-29 | 1998-06-02 | Colgate-Palmolive Company | Contouring toothbrush head |
US20020152570A1 (en) * | 1995-12-29 | 2002-10-24 | Douglas Hohlbein | Contouring toothbrush head |
US6073299A (en) * | 1995-12-29 | 2000-06-13 | Colgate-Palmolive Company | Contouring toothbrush head |
US6314606B1 (en) | 1995-12-29 | 2001-11-13 | Colgate-Palmolive Company | Contouring toothbrush head |
US6996870B2 (en) | 1995-12-29 | 2006-02-14 | Colgate-Palmolive Company | Contouring toothbrush head |
US8857003B2 (en) | 1995-12-29 | 2014-10-14 | Colgate-Palmolive Company | Contouring toothbrush head |
US5724697A (en) * | 1996-08-02 | 1998-03-10 | Colgate-Palmolive Company | Toothbrush construction |
USD403510S (en) * | 1997-09-29 | 1999-01-05 | Mcneil-Ppc, Inc. | Brushhead for a toothbrush |
WO1999045819A1 (en) | 1998-03-12 | 1999-09-16 | Colgate-Palmolive Company | Prophy toothbrush |
US6202241B1 (en) * | 1998-09-10 | 2001-03-20 | Optiva Corporation | Brushhead for use in an acoustic toothbrush |
US6370726B1 (en) * | 2000-02-11 | 2002-04-16 | Lata R Kini | Dynamic toothbrush |
US20050189000A1 (en) * | 2001-01-12 | 2005-09-01 | Cacka Joe W. | Flosser with motor integrated with vibrating head |
US7908699B2 (en) | 2001-07-03 | 2011-03-22 | Colgate-Palmolive Company | Oral care implement |
US8079110B2 (en) | 2001-07-03 | 2011-12-20 | Colgate-Palmolive Company | Oral care implement |
US6957469B2 (en) * | 2002-03-14 | 2005-10-25 | Church & Dwight Co., Inc. | Toothbrush |
US20030208865A1 (en) * | 2002-03-14 | 2003-11-13 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Toothbrush |
US8561247B2 (en) | 2002-08-09 | 2013-10-22 | Colgate-Palmolive Company | Oral care implement |
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US10610008B2 (en) | 2016-12-15 | 2020-04-07 | Water Pik, Inc. | Brushing device with illumination features |
USD845636S1 (en) | 2016-12-15 | 2019-04-16 | Water Pik, Inc. | Toothbrush handle |
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