US3152349A - Toothbrush - Google Patents

Toothbrush Download PDF

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Publication number
US3152349A
US3152349A US296595A US29659563A US3152349A US 3152349 A US3152349 A US 3152349A US 296595 A US296595 A US 296595A US 29659563 A US29659563 A US 29659563A US 3152349 A US3152349 A US 3152349A
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US
United States
Prior art keywords
bristle
tufts
bristle supporting
toothbrush
bristles
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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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US296595A
Inventor
Brennesholtz Aaron House
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.)
E I du Pont de Nemours and Co
Original Assignee
E I du Pont de Nemours and Co
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Publication date
Application filed by E I du Pont de Nemours and Co filed Critical E I du Pont de Nemours and Co
Priority to US296595A priority Critical patent/US3152349A/en
Application granted granted Critical
Publication of US3152349A publication Critical patent/US3152349A/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B5/00Brush bodies; Handles integral with brushware
    • A46B5/002Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0025Brushes with elastically deformable heads that change shape during use
    • A46B5/0029Head made of soft plastics, rubber or rubber inserts in plastics matrix
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B7/00Bristle carriers arranged in the brush body
    • A46B7/06Bristle carriers arranged in the brush body movably during use, i.e. the normal brushing action causing movement

Description

13, 1964 A. H. BRENNESHOLTZ 3,152,349

TOOTHBRUSH Filed July 22, 1963 FIG. FIG.2 FIG.3

INVENTOR AARON HOUSE BRENN ESHOLTZ BY AGENT United States Patent Oflice Patented Oct. 13, 1964 3,152,349 TOOTHBRUSH Aaron House Brennesholtz, Ridgewood, N.J., assignor to E. 1. du Pont de Nemours and Company, Wilmington, DeL, akorporation of Delaware Filed July 22, 1963, Ser. No. 296,595 1 Claim. (Cl. 15167) This invention relates to improvements in toothbrushes and the like, and more particularly to toothbrushes having flexible bristle carrying sections.

The principal object of this invention is the provision of a toothbrush better adapted to conform to the contour of the teeth, thereby entering the spaces between the teeth for proper cleaning action.

Further objects and advantages of the present invention will become more apparent during the course of the following description and in the accompanying drawing, forming a part of this specification and of which:

FIG. 1 is a top plan view;

FIG. 2 is a side view, partly in section, on the line 2-2 of FIG. 1;

FIG. 3 is taken on line 3-3 of FIG. 1; and

FIG. 4 and FIG. 5 show the action of the brush in use.

The toothbrush includes a handle 16 having at one end thereof a rigid bristle supporting portion 11. The rigid bristle supporting portion 11 has flexibly connected thereto by hinges 12, 13, two bristle supporting portions 14, 15. The bristle supporting portions 14, 15 are located within the rigid bristle supporting portion 11. The bristle supporting portion 11 contains tufts of bristles 15. The bristle supporting portions 14, 15 contain tufts of bristles 17. The tufts of bristles 17 are longer than the tufts of bristles 16 to enable them to reach into the crevices between teeth. The tufts of bristles 1d are of a more flexible material than the tufts of bristles 17 so that damage to gum tissue will be avoided.

The handle 10, rigid bristle supporting section 11, hinges 12, 13 and bristle supporting sections 14 and 15 (not including the bristles) are preferably made integral and are of an elastic resilient material such as polyoxymethylene so that the handle 10 and bristle supporting portions 11, 14, and 15 are essentially rigid while the hinges 12, 13 are quite flexible.

The bristle tufts 17 act independently of the bristle tufts 16. The action produced by the bristle tufts 17 is shown in FIGS. 4 and 5. The resiliently mounted bristle supporting sections coact to permit the tufts of bristles which they support to accommodate themselves to the teeth which have a generally convex or concave overall configuration. The two hinged bristle supporting sections each coact to reinforce the effect of the other through a spring-like action. For example, as the bristle tufts supported by the member 14 are directed inwardly, thus depressing the member 14, the bristle tufts of the member 15 are free to move outwardly under engagement With the teeth and thus penetrate the crevices between the teeth being brushed.

In manufacture, the body of the toothbrush may be molded directly in the fonn shown or it may be molded as a solid block and the slot between the parts may be sawed out. In any event, the slot between the bristle sections serves to permit ease of cleaning of the toothbrush thus promoting a higher level of sanitation.

What I claim as my invention is:

A toothbrush comprising an integral elongated handle formed of acetal resin, said handle being provided at one end thereof with an elongated main bristle supporting section, said main bristle supporting section being provided with a plurality of longitudinal rows of elongated bristle tufts, said main bristle supporting section having a forward and a rearward portion, said main bristle supporting section having disposed between said plurality of longitudinal rows of bristle tufts a first and a second longitudinally extending secondary bristle supporting section, said first secondary bristle supporting section being integrally connected to said forward portion of said main bristle supporting section, said second secondary bristle supporting section being integrally connected to said rearward portion of said main bristle supporting section, said first and second secondary bristle supporting sections being provided with a plurality of elongated bristle tufts arranged in a single longitudinal row, said last named bristle tufts being of greater length than said first named bristle tufts, said first and second secondary bristle supporting sections having integral resilient portions positioned at the point where said secondary bristle supporting sections are connected to said main bristle supporting section to permit coaction between said secondary bristle supporting sections.

References Cited in the file of this patent UNITED STATES PATENTS 1,323,042 Gardner Nov. 25, 1919 1,664,797 Stone Apr. 3, 1928 2,266,195 Hallock Dec. 16, 1941 2,676,350 Bressler Apr. 27, 1954 FOREIGN PATENTS 707,727 France Apr. 20, 1931

US296595A 1963-07-22 1963-07-22 Toothbrush Expired - Lifetime US3152349A (en)

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US3152349A true US3152349A (en) 1964-10-13

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US296595A Expired - Lifetime US3152349A (en) 1963-07-22 1963-07-22 Toothbrush

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Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981002380A1 (en) * 1980-02-22 1981-09-03 M Rosario Improved toothbrush
US4333199A (en) * 1980-02-22 1982-06-08 Rosario M Del Toothbrush
US4488328A (en) * 1983-01-24 1984-12-18 Hyman Richard M Floating head toothbrush
US4691405A (en) * 1985-07-29 1987-09-08 Reed Joseph C Toothbrush having adjustable bristle-mounted tabs
US4766633A (en) * 1987-05-18 1988-08-30 Clark Quentin S Tooth and sulcus brush
WO1992001407A1 (en) * 1990-07-24 1992-02-06 Brice Michael F Twin-headed toothbrush
WO1992017094A1 (en) * 1991-03-29 1992-10-15 Bradley Terry G Rocker toothbrush
US5398366A (en) * 1991-03-29 1995-03-21 Bradley; Terry Rocker toothbrush
US5419001A (en) * 1994-03-29 1995-05-30 Wan; John C. Toothbrush
US5499421A (en) * 1993-06-15 1996-03-19 Brice; Michael F. Twin-headed toothbrush
US5524319A (en) * 1995-05-31 1996-06-11 Avidor; Joseph Toothbrush having spring-mounted bristle holders
US5758383A (en) * 1995-12-29 1998-06-02 Colgate-Palmolive Company Contouring toothbrush head
US5813079A (en) * 1991-03-27 1998-09-29 Lingner & Fischer Gmbh Toothbrush having a flexibility linked zone in its head
US5839148A (en) * 1997-04-17 1998-11-24 The Procter & Gamble Company Toothbrush with both stationary and moving tufts
US5906023A (en) * 1997-09-25 1999-05-25 Edwards; David B. Pivotable hairbrush
US6178582B1 (en) 1992-03-25 2001-01-30 Smithkline Beecham Consumer Healthcare Gmbh Toothbrush comprising a resilient flex region
US6185779B1 (en) * 1996-08-22 2001-02-13 Smithkline Beecham Consumer Healthcare Gmbh Toothbrush comprising a flexibly linked region in the head
US6219874B1 (en) * 1994-07-13 2001-04-24 The Procter & Gamble Co. Resiliently flexible bristle bearing head toothbrush
US6314605B1 (en) 1996-08-02 2001-11-13 The Procter & Gamble Company Toothbrush
US6327735B1 (en) 1997-02-24 2001-12-11 Smithkline Beecham Consumer Healthcare, Gmbh Power tip toothbrush with ball joint
US6408476B1 (en) 1996-01-18 2002-06-25 The Procter & Gamble Company Toothbrush with elastomer filled flexible head
US6453497B1 (en) 2000-03-16 2002-09-24 The Gillette Company Oral care device
US20020152570A1 (en) * 1995-12-29 2002-10-24 Douglas Hohlbein Contouring toothbrush head
US6514445B1 (en) 1996-12-24 2003-02-04 The Procter & Gamble Company Brush making
USRE38521E1 (en) 1991-03-27 2004-05-25 Lingner & Fischer Gmbh Toothbrush with resiliently flexible head
US20050246847A1 (en) * 2000-06-16 2005-11-10 Brice Michael F Twin-headed toothbrush
JP2008061710A (en) * 2006-09-05 2008-03-21 Sunstar Inc Toothbrush head and toothbrush
US7707676B2 (en) 1999-06-14 2010-05-04 The Procter & Gamble Company Toothbrush
US7721376B2 (en) 2002-09-20 2010-05-25 Colgate-Palmolive Company Oral care implement
US7908699B2 (en) 2001-07-03 2011-03-22 Colgate-Palmolive Company Oral care implement
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
US8578544B2 (en) 2007-02-02 2013-11-12 The Gillette Company Oral hygiene implements having flexible elements, and methods of making the same
US8584299B2 (en) 2003-04-23 2013-11-19 The Procter & Gamble Company Electric toothbrushes
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
US8990996B2 (en) 2002-08-09 2015-03-31 Colgate-Palmolive Company Toothbrush

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1323042A (en) * 1919-11-25 Tooth-bbirsh
US1664797A (en) * 1924-10-21 1928-04-03 Philip W Stone Brush
FR707727A (en) * 1930-03-19 1931-07-11 Improvement in brushes
US2266195A (en) * 1938-12-13 1941-12-16 Hallock Robert Lay Toothbrush
US2676350A (en) * 1953-03-16 1954-04-27 Stanley Home Products Inc Toothbrush with a flexible head

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1323042A (en) * 1919-11-25 Tooth-bbirsh
US1664797A (en) * 1924-10-21 1928-04-03 Philip W Stone Brush
FR707727A (en) * 1930-03-19 1931-07-11 Improvement in brushes
US2266195A (en) * 1938-12-13 1941-12-16 Hallock Robert Lay Toothbrush
US2676350A (en) * 1953-03-16 1954-04-27 Stanley Home Products Inc Toothbrush with a flexible head

Cited By (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333199A (en) * 1980-02-22 1982-06-08 Rosario M Del Toothbrush
WO1981002380A1 (en) * 1980-02-22 1981-09-03 M Rosario Improved toothbrush
US4488328A (en) * 1983-01-24 1984-12-18 Hyman Richard M Floating head toothbrush
US4691405A (en) * 1985-07-29 1987-09-08 Reed Joseph C Toothbrush having adjustable bristle-mounted tabs
US4766633A (en) * 1987-05-18 1988-08-30 Clark Quentin S Tooth and sulcus brush
US5121520A (en) * 1990-07-24 1992-06-16 Inter-X Scientific, Inc. Twin-headed toothbrush
WO1992001407A1 (en) * 1990-07-24 1992-02-06 Brice Michael F Twin-headed toothbrush
USRE38521E1 (en) 1991-03-27 2004-05-25 Lingner & Fischer Gmbh Toothbrush with resiliently flexible head
US5813079A (en) * 1991-03-27 1998-09-29 Lingner & Fischer Gmbh Toothbrush having a flexibility linked zone in its head
WO1992017094A1 (en) * 1991-03-29 1992-10-15 Bradley Terry G Rocker toothbrush
US5398366A (en) * 1991-03-29 1995-03-21 Bradley; Terry Rocker toothbrush
US5269038A (en) * 1991-03-29 1993-12-14 Bradley Terry G Rocker toothbrush
US6442786B2 (en) 1992-02-06 2002-09-03 Smithkline Beecham Consumer Healthcare Gmbh Toothbrush comprising a resilient flex region
US6178582B1 (en) 1992-03-25 2001-01-30 Smithkline Beecham Consumer Healthcare Gmbh Toothbrush comprising a resilient flex region
US6675428B2 (en) 1992-03-25 2004-01-13 Smithkline Beecham Consumer Healthcare Gmbh Toothbrush comprising a resilient flex region
US6112361A (en) * 1993-06-15 2000-09-05 Michael F. Brice Twin-headed toothbrush
US5499421A (en) * 1993-06-15 1996-03-19 Brice; Michael F. Twin-headed toothbrush
US5419001A (en) * 1994-03-29 1995-05-30 Wan; John C. Toothbrush
US6505373B2 (en) 1994-07-13 2003-01-14 The Procter & Gamble Company Toothbrush
US6219874B1 (en) * 1994-07-13 2001-04-24 The Procter & Gamble Co. Resiliently flexible bristle bearing head toothbrush
US5524319A (en) * 1995-05-31 1996-06-11 Avidor; Joseph Toothbrush having spring-mounted bristle holders
US6996870B2 (en) 1995-12-29 2006-02-14 Colgate-Palmolive Company Contouring toothbrush head
US6314606B1 (en) 1995-12-29 2001-11-13 Colgate-Palmolive Company Contouring toothbrush head
US8857003B2 (en) 1995-12-29 2014-10-14 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
US6442787B2 (en) 1995-12-29 2002-09-03 Colgate-Palmolive Company Contouring toothbrush head
US7962992B2 (en) 1996-01-18 2011-06-21 The Procter & Gamble Company Toothbrush with elastomer filled flexible head
US6408476B1 (en) 1996-01-18 2002-06-25 The Procter & Gamble Company Toothbrush with elastomer filled flexible head
US8327492B2 (en) 1996-01-18 2012-12-11 The Procter & Gamble Company Toothbrush with elastomer filled flexible head
US20060130257A1 (en) * 1996-01-18 2006-06-22 Cann David V Toothbrush with elastomer filled flexible head
US6314605B1 (en) 1996-08-02 2001-11-13 The Procter & Gamble Company Toothbrush
US6185779B1 (en) * 1996-08-22 2001-02-13 Smithkline Beecham Consumer Healthcare Gmbh Toothbrush comprising a flexibly linked region in the head
US6514445B1 (en) 1996-12-24 2003-02-04 The Procter & Gamble Company Brush making
US6327735B1 (en) 1997-02-24 2001-12-11 Smithkline Beecham Consumer Healthcare, Gmbh Power tip toothbrush with ball joint
US5839148A (en) * 1997-04-17 1998-11-24 The Procter & Gamble Company Toothbrush with both stationary and moving tufts
US5906023A (en) * 1997-09-25 1999-05-25 Edwards; David B. Pivotable hairbrush
US8060970B2 (en) 1999-06-14 2011-11-22 The Procter & Gamble Company Toothbrush
US7707676B2 (en) 1999-06-14 2010-05-04 The Procter & Gamble Company Toothbrush
US8332985B2 (en) 1999-06-14 2012-12-18 The Procter & Gamble Company Toothbrush
US6453497B1 (en) 2000-03-16 2002-09-24 The Gillette Company Oral care device
US20050246847A1 (en) * 2000-06-16 2005-11-10 Brice Michael F Twin-headed toothbrush
US7363823B2 (en) 2000-06-16 2008-04-29 Nmoc, Llc Twin-headed toothbrush
US8079110B2 (en) 2001-07-03 2011-12-20 Colgate-Palmolive Company Oral care implement
US7908699B2 (en) 2001-07-03 2011-03-22 Colgate-Palmolive Company Oral care implement
US9545148B2 (en) 2002-08-09 2017-01-17 Colgate-Palmolive Company Oral care implement
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
US9167888B2 (en) 2002-08-09 2015-10-27 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US8990996B2 (en) 2002-08-09 2015-03-31 Colgate-Palmolive Company Toothbrush
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
US8839481B2 (en) 2002-08-09 2014-09-23 Colgate-Palmolive Company Oral care implement
US8876221B2 (en) 2002-08-09 2014-11-04 Colgate-Palmolive Company Oral care implement
US9603441B2 (en) 2002-08-09 2017-03-28 Colgate-Palmolive Company Toothbrush
US7721376B2 (en) 2002-09-20 2010-05-25 Colgate-Palmolive Company Oral care implement
US8955186B2 (en) 2003-04-23 2015-02-17 The Procter & Gamble Company Electric toothbrushes
US8584299B2 (en) 2003-04-23 2013-11-19 The Procter & Gamble Company Electric toothbrushes
JP2008061710A (en) * 2006-09-05 2008-03-21 Sunstar Inc Toothbrush head and toothbrush
US9504312B2 (en) 2007-02-02 2016-11-29 The Gillette Company Llc Oral hygiene implements having flexible elements, and methods of making the same
US8578544B2 (en) 2007-02-02 2013-11-12 The Gillette Company Oral hygiene implements having flexible elements, and methods of making the same

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