US20110047736A1 - Oral Care Implement Having Diverging Cleaning Elements - Google Patents

Oral Care Implement Having Diverging Cleaning Elements Download PDF

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Publication number
US20110047736A1
US20110047736A1 US12/547,627 US54762709A US2011047736A1 US 20110047736 A1 US20110047736 A1 US 20110047736A1 US 54762709 A US54762709 A US 54762709A US 2011047736 A1 US2011047736 A1 US 2011047736A1
Authority
US
United States
Prior art keywords
head
cleaning element
cleaning
oral care
cleaning elements
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.)
Abandoned
Application number
US12/547,627
Other languages
English (en)
Inventor
Eduardo Jimenez
Michael Rooney
Robert Moskovich
Luca Cashini
Jacob Pringiers
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.)
Colgate Palmolive Co
Original Assignee
Colgate Palmolive Co
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 Colgate Palmolive Co filed Critical Colgate Palmolive Co
Priority to US12/547,627 priority Critical patent/US20110047736A1/en
Assigned to COLGATE-PALMOLIVE COMPANY reassignment COLGATE-PALMOLIVE COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PRINGIERS, JACOB, CASINI, LUCA, JIMENEZ, EDUARDO, MOSKOVICH, ROBERT, ROONEY, MICHAEL
Priority to TW103102139A priority patent/TW201417745A/zh
Priority to TW099128362A priority patent/TWI433656B/zh
Priority to EP15162039.0A priority patent/EP2912966B1/en
Priority to PCT/US2010/046806 priority patent/WO2011028607A2/en
Priority to CA2769422A priority patent/CA2769422C/en
Priority to MX2012001482A priority patent/MX2012001482A/es
Priority to BR112012004176A priority patent/BR112012004176A2/pt
Priority to AU2010289773A priority patent/AU2010289773B2/en
Priority to EP10749573.1A priority patent/EP2470045B1/en
Priority to KR1020127007788A priority patent/KR101372187B1/ko
Priority to CN201080037969.6A priority patent/CN102740730B/zh
Priority to EP12193452.5A priority patent/EP2574254B1/en
Priority to EP15162045.7A priority patent/EP2912967A1/en
Priority to ES10749573T priority patent/ES2434041T3/es
Priority to MYPI2012000448A priority patent/MY155972A/en
Priority to RU2012111317/12A priority patent/RU2525184C2/ru
Assigned to COLGATE-PALMOLIVE COMPANY reassignment COLGATE-PALMOLIVE COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JIMENEZ, EDUARDO, ROONEY, MICHAEL, MOSKOVICH, ROBERT
Publication of US20110047736A1 publication Critical patent/US20110047736A1/en
Priority to CO12017578A priority patent/CO6420395A2/es
Priority to HK12112763.6A priority patent/HK1172525A1/xx
Priority to US15/473,860 priority patent/US20170202348A1/en
Abandoned legal-status Critical Current

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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
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A46B15/0016—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means
    • A46B15/0032—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with protrusion for polishing teeth
    • 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
    • A46B9/025—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups the bristles or the tufts being arranged in an angled position relative to each other
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/06—Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
    • 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 present invention relates generally to ansate oral care implements, and specifically to toothbrushes, either manual or powered, that have a handle and a head having cleaning elements for oral cleaning.
  • the invention can be an oral care implement comprising: a handle; a head connected to the handle, the head comprising a first surface and a second surface opposite the second surface; a hollow cleaning element cone extending from the first surface of the head, the hollow cleaning element cone circumferentially surrounding an axis extending from the first surface of the head, wherein the hollow cleaning element cone extends from the first surface of the head so as to radially diverge from the axis; and a cleaning element wall extending from the first surface of the head and circumferentially surrounding the hollow cleaning element cone.
  • the invention can be an apparatus for incorporation into an ansate oral care implement comprising: a base having a first surface; a hollow cleaning element cone extending from the first surface of the head and arranged so as to circumferentially surround an axis extending from the first surface of the base, wherein the hollow cleaning element cone extends upward from the first surface of the head so as to diverge from the axis; and a cleaning element wall extending upward from the first surface of the head and circumferentially surrounding the hollow cleaning element cone.
  • the invention can be an apparatus for incorporation into an ansate oral care implement comprising: a base having a first surface; a plurality of cleaning elements arranged on the first surface so as to form a ring about an axis extending from the first surface of the head, wherein each of the cleaning elements extends upward from the first surface of the head at an inclined orientation so as to diverge from the axis; and a cleaning element wall extending upward from the first surface of the head and surrounding the plurality of cleaning elements so as to form a substantially closed loop.
  • the invention can be an oral care implement comprising: a handle; a head connected to the handle, the head comprising a first surface; a plurality of cleaning elements arranged on the first surface so as to circumferentially surround an axis extending from the first surface of the head, wherein each of the cleaning elements extends upward from the first surface of the head at an inclined orientation so as to diverge from the axis; and a cleaning element wall extending upward from the first surface of the head and circumferentially surrounding the plurality of cleaning elements.
  • the invention can be an oral care implement comprising: a handle; a head connected to the handle, the head comprising a first surface; a plurality of circumferentially spaced-apart cleaning elements extending from the first surface of the head and arranged equidistant from an axis extending from the first surface of the head, wherein the cleaning elements extend from the first surface of the head at an inclined orientation so as to radially diverge from the axis; and a cleaning element wall extending from the first surface of the head and circumferentially surrounding the plurality of cleaning elements.
  • FIG. 1 is a perspective view of an ansate oral care implement, in the form of a manual toothbrush, according to one embodiment of the present invention.
  • FIG. 6 is a front view of the head of the toothbrush of FIG. 5 .
  • FIG. 7 is a cross-sectional view of the head of the toothbrush of FIG. 5 along view VII-VII of FIG. 6 .
  • FIG. 8 is a cross-sectional view of the head of the toothbrush of FIG. 5 along view VIII-VIII of FIG. 6 .
  • FIG. 9A is a perspective view of an ansate oral care implement, in the form of a manual toothbrush, according to a second embodiment of the present invention.
  • FIG. 9B is a close-up front view of the head of the toothbrush of FIG. 9A .
  • FIG. 10A is a perspective view of an ansate oral care implement, in the form of a manual toothbrush, according to a third embodiment of the present invention.
  • FIG. 10B is a close-up front view of the head of the toothbrush of FIG. 10A .
  • FIG. 11A is a perspective view of an ansate oral care implement, in the form of a manual toothbrush, according to a fourth embodiment of the present invention.
  • FIG. 11B is a close-up front view of the head of the toothbrush of FIG. 11A .
  • FIG. 12A is a perspective view of an ansate oral care implement, in the form of a manual toothbrush, according to a fifth embodiment of the present invention.
  • FIG. 13 is a perspective view of a cleaning element disc according to an embodiment of the present invention.
  • the handle 110 and head 120 may be formed as separate components which are operably connected at a later stage of the manufacturing process by any suitable technique known in the art, including without limitation thermal welding, a tight-fit assembly, a coupling sleeve, adhesion, or fasteners. Whether the head 120 and handle 110 are of a unitary or multi-piece construction (including connection techniques) is not limiting of the present invention.
  • the head 120 generally comprises a front surface 121 , a rear surface 122 and a peripheral surface 123 .
  • the front surface 121 and the rear surface 122 of the head 120 can take on a wide variety of shapes and contours, none of which are limiting of the present invention.
  • the front and rear surfaces 121 , 122 can be planar, contoured or combinations thereof.
  • the rear surface 122 may also comprise additional structures for oral cleaning, such as a soft tissue cleanser, such as the one disclosed in U.S. Pat. No. 7,143,462, issued Dec. 5, 2006 to the assignee of the present application, the entirety of which is hereby incorporated by reference.
  • the head 120 is normally widened relative to the neck 111 of the handle 110 , it could in some constructions simply be a continuous extension or narrowing of the handle 110 .
  • the front surface 121 comprises a collection of cleaning elements 130 extending therefrom for cleaning contact with an oral surface. While the collection of cleaning elements 130 is particularly suited for brushing teeth, the collection of cleaning elements 130 can be also be used to clean oral soft tissue, such as a tongue, gums, or cheeks instead of or in addition to teeth. As used herein, the term “cleaning element” is used in a generic sense to refer to any structure that can be used to clean or massage an oral surface through relative surface contact.
  • the head 120 comprises a distal region 124 , a middle region 125 and a proximal region 126 .
  • the first set of cleaning elements 131 a - j extend from the distal region 124 of the head 120 .
  • the second set of cleaning elements 132 a - j extend from the proximal region 126 of the head 120 .
  • the third set of cleaning elements which consists of the prophy cup 133 a - b , a plurality of angled cleaning elements 134 a - f , and a central cleaning element 135 , extend from the middle region 125 of the head.
  • the cleaning elements 131 a - j , 132 a - j of the first and second sets are tufts or arcuate walls of densely packed fibrous bristles.
  • one or more (or various subsets) of the cleaning elements 131 a - j , 132 a - j of the first and second sets can take on other forms, such as elastomeric walls or fingers.
  • the bristle tufts can be connected to the head 120 in any manner known in the art.
  • anchor free tufting AFT
  • AFT anchor free tufting
  • a plate or membrane is secured to the brush head such as by ultrasonic welding.
  • the bristles extend through the plate or membrane.
  • the free ends of the bristles on one side of the plate or membrane perform the cleaning function.
  • the ends of the bristles on the other side of the plate or membrane are melted together by heat to be anchored in place.
  • Any suitable form of cleaning elements may be used in the broad practice of this invention.
  • the bristles could be mounted to tuft blocks or sections by extending through suitable openings in the tuft blocks so that the base of the bristles is mounted within or below the tuft block.
  • the particular arrangement and number of the cleaning elements 131 a - j , 132 a - j of the first and second sets within the distal and proximal regions 124 , 126 can vary greatly as desired, and should not be consider as a limitation of the present invention unless specifically recited in the claims.
  • the first and second sets of the cleaning elements 131 a - j , 132 a - j may be omitted all together or substantially altered. Nonetheless, a particularly useful and effective arrangement of the first and second sets of the cleaning elements 131 a - j , 132 a - j has been developed (discussed below in relation to FIGS. 5-6 ) and is to be considered as part of the invention in certain embodiments.
  • the middle region 125 of the head comprises an arrangement of cleaning elements that is specifically designed to improve the efficacy of cleaning oral surfaces, retain dentifrice on the head 120 of the toothbrush during brushing and/or massaging, and distribute the dentifrice among the collection of cleaning elements on the head 120 .
  • the middle region 125 comprises a prophy cup 133 (which is formed by arcuate cleaning element walls 133 a - b , angled elongated cleaning elements 134 a - f and central elongated cleaning element 135 .
  • the cleaning element walls 133 a - b are elastomeric walls while the elongated cleaning elements 134 a - f , 135 are tufts of densely packed fibrous bristles.
  • the prophy cup 133 can be formed by densely packed walls of fibrous bristles and/or the elongated cleaning elements 134 a - f can be elastomeric fingers.
  • Suitable elastomeric materials include any biocompatible resilient material suitable for uses in an oral hygiene apparatus.
  • the elastomeric material preferably has a hardness property in the range of A5 to A40 Shore hardness, and most preferably A25 Shore hardness.
  • One preferred elastomeric material is styrene-ethylene/butylene-styrene block copolymer (SEBS) manufactured by GLS Corporation. Nevertheless, SEBS material from other manufacturers or other materials within and outside the noted hardness range could be used.
  • the cleaning elements 134 a - f extend from the front surface 121 of the head in an angled (i.e., inclined) manner (relative to a general plane formed by the top surface 121 ).
  • the cleaning elements 134 a - f are arranged in a spaced-apart manner that forms a ring that circumferentially surrounds an axis B-B.
  • the axis B-B extends from the front surface 121 of the head 120 in a direction away from the rear surface 122 of the head 120 .
  • the axis B-B extends from the front surface 121 of the head 120 in a substantially normal orientation.
  • the axis B-B may be at an angle other than normal to the front surface 121 .
  • Each of the cleaning elements 134 a - f is inclined so as to radially diverge from the axis B-B at an angle ⁇ as it extends away from the front surface 121 of the head 120 .
  • the angle ⁇ is in a range of 1 to 15 degrees, more preferably 3 to 5 degrees, and most preferably 4 degrees.
  • cleaning elements 134 a - f radially diverge from the axis B-B at the same angle ⁇ in the illustrated embodiment, it is possible for the angles of radial divergence to vary among the cleaning elements 134 a - f . Furthermore, while six cleaning elements 134 a - f are illustrated as forming the hollow cone, any number of cleaning elements can be used in other embodiments.
  • the cleaning elements 134 a - f collectively form a hollow cone structure (which in the illustrated embodiment is a truncated cone).
  • the term “cone” is not limited to a circular cross-section and is intended to include truncated cones.
  • the hollow cone structure formed by cleaning, elements 134 a - f forms a funnel-like internal cavity 136 for receiving a dentifrice.
  • the cleaning elements 134 a - f are equidistantly circumferentially spaced from one another so that a space exists between adjacent cleaning elements 134 a - f .
  • the hollow cone is formed by spaced apart cleaning elements, in alternative embodiments the hollow cone can be formed by an angled wall (or angled wall segments) formed by an elastomer or densely packed bristles.
  • the hollow cone formed by the cleaning elements 134 a - f is concentrically arranged about the axis B-B and is congruent with the conical axis.
  • the elongated central cleaning element 135 extends from the front surface 121 of the head 120 along the axis B-B within the funnel-like cavity 136 .
  • the central cleaning element 135 is preferably a tuft of densely packed fibrous bristles but can also be an elastomer finger or other material or structure. Of course, the central cleaning element 135 may even be omitted in certain embodiments of the invention.
  • the hollow cone formed by the cleaning elements 134 a - f is circumferentially surrounded by a cleaning element wall (formed by arcuate sections of cleaning element walls 133 a - b ).
  • the cleaning element walls 133 a - b form the prophy cup as a substantially closed loop that concentrically surrounds the hollow cone formed by the elongated cleaning elements 134 a - f .
  • the prophy cup is formed by two arcuate sections of cleaning element walls 133 a - b in the illustrated embodiment, the prophy cup (and the substantially closed-loop) can be formed by a single wall section or by more than two wall sections in other embodiments.
  • an annular channel 137 exists between the hollow cone (formed by the cleaning elements 134 a - f ) and the cleaning element wall (formed by arcuate cleaning element walls 133 a - b ).
  • the arcuate cleaning element walls 133 a - b are circumferentially spaced from one another so that gaps 139 exist along the longitudinal axis A-A of the head 120 .
  • each of the cleaning elements 134 a - f extends at an incline from the first surface 121 of the head 120 and terminate in cleaning ends 144 a - f respectively.
  • the prophy cup (which consists of arcuate cleaning element walls 133 a - b ) extends normally from the first surface 121 of the head 120 and terminates in top surfaces 143 a - b .
  • the prophy cup (which consists of arcuate cleaning element walls 133 a - b ) may extend from the first surface 121 of the head 120 at an inclined orientation, either inclined toward or away from the axis B-B.
  • the cleaning elements 134 a - f (and thus the hollow cone) has a height H 1 while the prophy cup (and, thus, the arcuate cleaning element walls 133 a - b ) has a height H 2 (measured relative to the front surface 121 of the head 120 ).
  • the height H 1 is preferably greater than the height H 2 .
  • the height H 1 is preferably in the range of 7 to 13 millimeters, most preferably 10 millimeters, while the height H 2 is preferably in the range of 5 to 11 millimeters, most preferably 6.5 millimeters.
  • cleaning element walls 133 a - b circumferentially surround only a base portion of the cleaning elements 134 a - f while a top portion of the cleaning elements 134 a - f extends beyond the top surfaces 143 a - b of the cleaning element walls 133 a - b.
  • the cleaning elements 134 a - f are preferably located within a range of 3 to 6 millimeters from the axis B-B, and most preferably 4 millimeters (measured from the base of the cleaning elements 134 a - 1 ).
  • the walls 133 a - b of the prophy cup are preferably located within a range of 6 to 12 millimeters from the axis B-B, and most preferably about 8 millimeters.
  • the width of the prophy cup 133 extends the substantial entirety of the width of the head 120 .
  • a dentifrice is initially applied to the head 120 of the toothbrush 100 which fills the cavity 136 formed by the hollow cleaning element cone (which is formed by the elongated cleaning elements 134 a - f ).
  • the funnel shape of the cavity 136 helps capture, hold and direct the dentifrice into the toothbrush during dentifrice application and subsequent brushing.
  • the central elongated cleaning element 135 may further assist with dentifrice maintenance and dispersion.
  • the dentifrice fills the cavity 136 , it can flow through the spaces between adjacent elongated cleaning elements 134 a - f and into the annular channel 137 formed between the hollow cleaning element cone (which is formed by the elongated cleaning elements 134 a - f ) and the prophy cup (consisting of arcuate walls 133 a - b ).
  • the inclined orientation of the elongated cleaning elements 134 a - f results in the annular channel 137 having a substantially closed roof (at least in certain sections), thereby further helping to keep the dentifrice within the toothbrush 100 .
  • the dentifrice then flows through the gaps 139 formed between the arcuate sections 133 a - b .
  • the gaps 139 are located only along the longitudinal axis A-A of the head, the dentifrice escaping from the prophy cup via the gaps 139 is forced into the first and second sets 131 a - j , 132 a - j where it is further distributed during the brushing and/or massaging of oral surfaces.
  • the prophy cup can provide additional support and rigidity to the elongated cleaning elements 134 a - f during brushing.
  • the elongated cleaning elements 134 a - f are either slightly spaced from the arcuate walls 133 a - b or abutted against the top inner edges of the arcuate walls 133 a - b in a non-forced state.
  • the elongated cleaning elements 134 a - f when the elongated cleaning elements 134 a - f are subjected to standard forces imparted during brushing, the elongated cleaning elements 134 a - f flex outwardly from the axis B-B and come into contact with the arcuate walls 133 a - b , which provide additional support for the elongated cleaning elements 134 a - f so tha more effective cleaning can be achieved.
  • the plurality of cleaning elements 134 a - f are also taller than any of the cleaning elements of the first and second sets that are immediately adjacent the prophy cup (not illustrated).
  • the arcuate walls 133 a - b are constructed of an elastomeric material, additional benefits are achieved. Specifically, the arcuate shaped elastomeric elements 133 a - b help spread toothpaste onto the tubules of the teeth. This helps reduce the sensitivity of the tooth because the tubules are thereby reduced in size. This is also a benefit with whitening because the toothpaste is spread onto the tubules. Moreover, elastomeric walls are better than bristles at this wiping toothpaste into the tubules of the teeth.
  • cleaning elements 131 a - j , 132 a - j of the first and second sets 131 , 132 within the distal and proximal regions 124 , 126 of the head 120 will be described according to one embodiment of the present invention. All of the cleaning elements 131 a - j , 132 a - j extend from the front surface 121 of the head in a substantially normal orientation.
  • the first set 131 comprises a first grouping consisting of cleaning element walls 131 c - e and elongated cleaning elements 131 a - b , 131 f - g .
  • This first grouping of cleaning elements 131 a - 131 g is disposed in a par-elliptical arrangement along the distal periphery of the head 120 .
  • the elongated cleaning elements 131 a - b , 131 f - g are preferably cylindrical bristle tufts whose free ends taper to a point.
  • the cleaning element walls 131 c - e are preferably walls of densely packed bristles. The height of the cleaning element walls 131 c - e increase toward the distal end of the head 120 , thereby forming a tapered edge at the distal edge of the cleaning element field.
  • the second set 132 comprises a first grouping consisting of cleaning element walls 132 c - e and elongated cleaning elements 132 a - b , 132 f - g .
  • This first grouping of cleaning elements 132 a - 132 g is disposed in a par-elliptical arrangement along the distal periphery of the head 120 .
  • the elongated cleaning elements 132 a - b , 132 f - g are preferably cylindrical bristle tufts whose free ends taper to a point.
  • the cleaning element walls 132 c - e are preferably walls of densely packed bristles. The height of the cleaning element walls 132 c - e increase toward the distal end of the head 120 , thereby forming a tapered edge at the distal edge of the cleaning element field.
  • the first set 131 also comprises a second grouping, consisting of arcuate cleaning element walls 131 h , 131 j and central cleaning element 131 i .
  • the arcuate cleaning element walls 131 h , 131 j are arranged so as to form a loop about a center point from which the central cleaning element 131 i extends.
  • the arcuate cleaning element walls 131 h , 131 j are preferably elastomeric walls but can be densely packed bristles.
  • This second grouping of cleaning element 131 h - j is located within the par-elliptical shape formed by the first grouping of cleaning elements 131 a - g .
  • the second set 132 also comprises a second grouping, consisting of arcuate cleaning element walls 132 h , 132 j and central cleaning element 132 i .
  • the arcuate cleaning element walls 132 h , 132 j are arranged so as to form a loop about a center point from which the central cleaning element 132 i extends.
  • the arcuate cleaning element walls 132 h , 132 j are preferably elastomeric walls but can be densely packed bristles.
  • This second grouping of cleaning element 132 h - j is located within the par-elliptical shape formed by the first grouping of cleaning elements 132 a - g .
  • the central cleaning element 132 i extends a height that is greater than the height of the arcuate cleaning element walls 132 h , 132 j .
  • the height of the central cleaning element 132 j is less than the height of the central cleaning element 135 of the third set 138 .
  • the height of the arcuate cleaning element walls 132 h , 132 j is grater than the height of the arcuate wall elements 133 a - b of the third set 38 .
  • Both of the loops formed by the arcuate cleaning element walls 132 h , 132 j and 131 h , 131 j respectively are located so that their center points are located along the longitudinal axis A-A of the head 120 .
  • FIGS. 9A-9B a manual toothbrush 200 according to a second embodiment of the present invention is illustrated.
  • the toothbrush 200 is identical to the toothbrush 100 described above with respect to FIGS. 1-8 except that the central cleaning element 135 is omitted.
  • the central cleaning element 135 is omitted.
  • a further detailed description of the toothbrush 200 and its functioning is omitted with the understanding that the corresponding elements of toothbrush 200 are numbered the same as the toothbrush 100 except that they are in the “200 series.”
  • the above discussion with respect to toothbrush 100 is thus applicable to the toothbrush 200 .
  • a manual toothbrush 300 according to a third embodiment of the present invention is illustrated.
  • the toothbrush 300 is identical to the toothbrush 100 described above with respect to FIGS. 1-8 except that the hollow cone structure 334 is formed by eight elongated cleaning elements rather than six.
  • the corresponding elements of toothbrush 300 are numbered the same as the toothbrush 100 except that they are in the “300 series.” The above discussion with respect to toothbrush 100 is thus applicable to the toothbrush 300 .
  • a manual toothbrush 400 according to a fourth embodiment of the present invention is illustrated.
  • the toothbrush 400 is identical to the toothbrush 100 described above with respect to FIGS. 1-8 except that the hollow cone structure 434 is formed by ten elongated cleaning elements rather than six.
  • the corresponding elements of toothbrush 400 are numbered the same as the toothbrush 100 except that they are in the “400 series.” The above discussion with respect to toothbrush 100 is thus applicable to the toothbrush 400 .
  • a manual toothbrush 500 according to a fifth embodiment of the present invention is illustrated.
  • the toothbrush 500 is identical to the toothbrush 100 described above with respect to FIGS. 1-8 except that the central cleaning elements 135 is omitted and the elongated cleaning elements 534 a - f that form the hollow cone structure 534 converge upon the axis B-B, thereby forming a full cone rather than a truncated cone.
  • a further detailed description of the toothbrush 500 and its functioning is omitted with the understanding that the corresponding elements of toothbrush 500 are numbered the same as the toothbrush 100 except that they are in the “500 series.” The above discussion with respect to toothbrush 100 is thus applicable to the toothbrush 400 .
  • the cleaning element disc 600 is essentially a plate-like disc that incorporates the third set 138 of cleaning elements described above with respect to FIGS. 1-8 .
  • the apparatus 600 generally comprises a circular base plate 601 and the third set 138 of cleaning elements described above with respect to FIGS. 1-8 .
  • a further detailed description of the third set 138 of cleaning elements is omitted.
  • the cleaning element disc 600 can utilize any of the variations of the cleaning element arrangement disclosed above with respect to FIGS. 9A-12C .
  • the cleaning element disc 600 is particularly suited for use with powered toothbrushes wherein the cleaning element disc 600 will lock into place on the powered toothbrush and be operably coupled to a rotary element.
  • the cleaning element disc 600 can also be used in manual toothbrushes wherein the cleaning element disc 600 can snap lock/unlock into and out of the head of the toothbrush for replacement. Such techniques are known in the art.
  • a plurality of the third sets 138 of cleaning elements can be arranged on the head 120 of the toothbrush 100 .
  • the third sets 138 of cleaning elements are preferably aligned along the longitudinal axis A-A of the head 120 .
  • any of the embodiments of the third sets can be used.

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  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
US12/547,627 2009-08-26 2009-08-26 Oral Care Implement Having Diverging Cleaning Elements Abandoned US20110047736A1 (en)

Priority Applications (20)

Application Number Priority Date Filing Date Title
US12/547,627 US20110047736A1 (en) 2009-08-26 2009-08-26 Oral Care Implement Having Diverging Cleaning Elements
TW103102139A TW201417745A (zh) 2009-08-26 2010-08-25 具有偏離清潔元件的口腔保健器具
TW099128362A TWI433656B (zh) 2009-08-26 2010-08-25 具有偏離清潔元件的口腔保健器具
RU2012111317/12A RU2525184C2 (ru) 2009-08-26 2010-08-26 Приспособление для ухода за полостью рта, имеющее отклоняющиеся чистящие элементы
KR1020127007788A KR101372187B1 (ko) 2009-08-26 2010-08-26 발산하는 세척요소를 가진 구강 관리기구
EP12193452.5A EP2574254B1 (en) 2009-08-26 2010-08-26 Oral care implement having diverging cleaning elements
CA2769422A CA2769422C (en) 2009-08-26 2010-08-26 Oral care implement having diverging cleaning elements
MX2012001482A MX2012001482A (es) 2009-08-26 2010-08-26 Implemento para el cuidado oral que tiene elementos de limpieza divergentes.
BR112012004176A BR112012004176A2 (pt) 2009-08-26 2010-08-26 implemento para cuidado oral
AU2010289773A AU2010289773B2 (en) 2009-08-26 2010-08-26 Oral care implement having diverging cleaning elements
EP10749573.1A EP2470045B1 (en) 2009-08-26 2010-08-26 Oral care implement having diverging cleaning elements
EP15162039.0A EP2912966B1 (en) 2009-08-26 2010-08-26 Oral care implement having diverging cleaning elements
CN201080037969.6A CN102740730B (zh) 2009-08-26 2010-08-26 具有发散清洁元件的口腔护理器具
PCT/US2010/046806 WO2011028607A2 (en) 2009-08-26 2010-08-26 Oral care implement having diverging cleaning elements
EP15162045.7A EP2912967A1 (en) 2009-08-26 2010-08-26 Oral care implement having diverging cleaning elements
ES10749573T ES2434041T3 (es) 2009-08-26 2010-08-26 Instrumento de cuidado oral que tiene elementos de limpieza divergentes
MYPI2012000448A MY155972A (en) 2009-08-26 2010-08-26 Oral care implement having diverging cleaning elements
CO12017578A CO6420395A2 (es) 2009-08-26 2012-02-01 Implemento para el cuidado oral que tiene elementos de limpieza divergentes
HK12112763.6A HK1172525A1 (en) 2009-08-26 2012-12-11 Oral care implement having diverging cleaning elements
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CO6420395A2 (es) 2012-04-16
TW201116229A (en) 2011-05-16
TWI433656B (zh) 2014-04-11
HK1172525A1 (en) 2013-04-26
RU2012111317A (ru) 2013-10-10
RU2525184C2 (ru) 2014-08-10
CN102740730B (zh) 2015-04-15
EP2574254A2 (en) 2013-04-03
US20170202348A1 (en) 2017-07-20
EP2912966A1 (en) 2015-09-02
KR20120046320A (ko) 2012-05-09
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CN102740730A (zh) 2012-10-17
CA2769422A1 (en) 2011-03-10
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WO2011028607A3 (en) 2011-04-28
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EP2470045B1 (en) 2013-09-18
ES2434041T3 (es) 2013-12-13

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