US2123407A - Tooth brush - Google Patents
Tooth brush Download PDFInfo
- Publication number
- US2123407A US2123407A US146283A US14628337A US2123407A US 2123407 A US2123407 A US 2123407A US 146283 A US146283 A US 146283A US 14628337 A US14628337 A US 14628337A US 2123407 A US2123407 A US 2123407A
- Authority
- US
- United States
- Prior art keywords
- tooth brush
- teeth
- head
- bristles
- cleaning
- 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
- A46B9/045—Arranged like in or for toothbrushes specially adapted for cleaning a plurality of tooth surfaces simultaneously
-
- 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
- the present invention appertains to new and With the cluster 1 having its bristles of uniform useful improvements in dental instruments and length, in following the curve 6, a concavity dis more particularly to a tooth brush. afforded which will contact a number of teeth at
- the principal object of the present invention is a time when the outer side of the teeth are being 5 to provide a tooth brush wherein the head is cleaned. 5 formed in such a manner as to facilitate the
- the cluster 8 in following the cleaning of both the inside and outside of the curve defines the convexityewhich will permit the teeth. brush to contact a plurality of the teeth when the Another important object of the invention is to inside of the teeth are being brushed.
- Figure 1 represents an edge elevational view the invention in specific terms, it is to be underof the instrument. stood that numerous changes in the shape, size Figure 2 is a side elevational view. and materials may be resorted to without depart- 20
- FIG. 1 represents an edge elevational view the invention in specific terms, it is to be underof the instrument. stood that numerous changes in the shape, size Figure 2 is a side elevational view. and materials may be resorted to without depart- 20
- numerals ing from the spirit and scope of the invention as designate like parts it can be seen that the hanclaimed hereinafter.
- numeral 6 desig- A tooth brush
- a handle including a 25 nates the head portion. hand grip portion and a head portion, said head The head portion is formed by bending the elonportion being provided with an offset portion pargated element from the point a laterally to the alleling the longitudinal axis of the hand grip point b and then extending the same on a line portion of the handle and merging with the hand substantially parallel to the handle proper.
- the bristles project laterally from opposite bristles on the head portion and extending unisides of the head 6, the cluster 1 for cleaning the formly from opposite sides thereof throughout outside of the teeth while the cluster 8 is intended the curved and offset portions of the head to for cleaning the inside of the teeth.
Description
July 12, 1938. w. A. DULLEA TOOTH BRUSH Filed June 5, 1957 I Inventor l Va/fer u ea Aiiqrneys Patented July 12, 1938 UNITED STATES PATENT OFFICE 7 TOOTH BRUSH Walter A. Dullea, Milton, Mass.
Application June 3, 1937, Serial No. 146,283
1 Claim. (01. 15-167) The present invention appertains to new and With the cluster 1 having its bristles of uniform useful improvements in dental instruments and length, in following the curve 6, a concavity dis more particularly to a tooth brush. afforded which will contact a number of teeth at The principal object of the present invention is a time when the outer side of the teeth are being 5 to provide a tooth brush wherein the head is cleaned. 5 formed in such a manner as to facilitate the On the other hand the cluster 8 in following the cleaning of both the inside and outside of the curve defines the convexityewhich will permit the teeth. brush to contact a plurality of the teeth when the Another important object of the invention is to inside of the teeth are being brushed.
10 provide a tooth brush constructed in such a man- It will be observed, that beyond the point I) 10 ner as to facilitate cleaning between the teeth in and toward the extremity c the bristle clusters addition to cleaning the inner and outer sides 1-8 are on substantially parallel planes with the thereof. handle proper and this portion of the brush can These and other important objects and advane be used when motion transversely of the rows of tages of the invention will become apparent to teeth is executed as when effort is being made to 15 the reader of the following specification. clean between the teeth.
In the drawing: While the foregoing specification sets forth Figure 1 represents an edge elevational view the invention in specific terms, it is to be underof the instrument. stood that numerous changes in the shape, size Figure 2 is a side elevational view. and materials may be resorted to without depart- 20 Referring to the drawing wherein like numerals ing from the spirit and scope of the invention as designate like parts, it can be seen that the hanclaimed hereinafter.
dle and head portions of the instrument are con- Having described the invention what is claimed structed of one elongated element, numeral 5 deas new is:-
noting the handle portion while numeral 6 desig- A tooth brush comprising a handle, including a 25 nates the head portion. hand grip portion and a head portion, said head The head portion is formed by bending the elonportion being provided with an offset portion pargated element from the point a laterally to the alleling the longitudinal axis of the hand grip point b and then extending the same on a line portion of the handle and merging with the hand substantially parallel to the handle proper. grip portion in a gradual curved portion, and 30 The bristles project laterally from opposite bristles on the head portion and extending unisides of the head 6, the cluster 1 for cleaning the formly from opposite sides thereof throughout outside of the teeth while the cluster 8 is intended the curved and offset portions of the head to for cleaning the inside of the teeth. provide a concaved set of bristles at one side of The clusters of bristles extend from the starting the head and a convexed set of bristles at the op- 35 point a of the curve to the extremity c and are of posite side of the head. uniform length. WALTER A. DULLE'A.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US146283A US2123407A (en) | 1937-06-03 | 1937-06-03 | Tooth brush |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US146283A US2123407A (en) | 1937-06-03 | 1937-06-03 | Tooth brush |
Publications (1)
Publication Number | Publication Date |
---|---|
US2123407A true US2123407A (en) | 1938-07-12 |
Family
ID=22516652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US146283A Expired - Lifetime US2123407A (en) | 1937-06-03 | 1937-06-03 | Tooth brush |
Country Status (1)
Country | Link |
---|---|
US (1) | US2123407A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2558332A (en) * | 1947-07-21 | 1951-06-26 | Artale Frank | Toothbrush having removable bristle element |
US4517701A (en) * | 1983-04-25 | 1985-05-21 | Stanford Roy E Jr | Toothbrushes for cleaning sulcular areas of the teeth |
US5778477A (en) * | 1997-04-14 | 1998-07-14 | Conway; Raymond | Toothbrush |
US20110225755A1 (en) * | 2010-03-18 | 2011-09-22 | Ecolab Usa Inc. | Cleaning tool |
US8584299B2 (en) | 2003-04-23 | 2013-11-19 | The Procter & Gamble Company | Electric toothbrushes |
GB2566021A (en) * | 2017-08-29 | 2019-03-06 | Oluwafemi Oluwadare Oluwaseyi | Toothbrush |
-
1937
- 1937-06-03 US US146283A patent/US2123407A/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2558332A (en) * | 1947-07-21 | 1951-06-26 | Artale Frank | Toothbrush having removable bristle element |
US4517701A (en) * | 1983-04-25 | 1985-05-21 | Stanford Roy E Jr | Toothbrushes for cleaning sulcular areas of the teeth |
US5778477A (en) * | 1997-04-14 | 1998-07-14 | Conway; Raymond | Toothbrush |
US8584299B2 (en) | 2003-04-23 | 2013-11-19 | The Procter & Gamble Company | Electric toothbrushes |
US8955186B2 (en) | 2003-04-23 | 2015-02-17 | The Procter & Gamble Company | Electric toothbrushes |
US20110225755A1 (en) * | 2010-03-18 | 2011-09-22 | Ecolab Usa Inc. | Cleaning tool |
GB2566021A (en) * | 2017-08-29 | 2019-03-06 | Oluwafemi Oluwadare Oluwaseyi | Toothbrush |
GB2566021B (en) * | 2017-08-29 | 2022-05-04 | Oluwafemi Oluwadare Oluwaseyi | Toothbrush |
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