EP4505902A2 - Zahnbürste und zahnbürstenset - Google Patents

Zahnbürste und zahnbürstenset Download PDF

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Publication number
EP4505902A2
EP4505902A2 EP23784929.4A EP23784929A EP4505902A2 EP 4505902 A2 EP4505902 A2 EP 4505902A2 EP 23784929 A EP23784929 A EP 23784929A EP 4505902 A2 EP4505902 A2 EP 4505902A2
Authority
EP
European Patent Office
Prior art keywords
toothbrush
attention
coupling
detachable
inducing member
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.)
Pending
Application number
EP23784929.4A
Other languages
English (en)
French (fr)
Other versions
EP4505902A4 (de
Inventor
Woo Yong Jeong
Yongmi LIM
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.)
Dentistory Co Ltd
Original Assignee
Dentistory Co Ltd
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 Dentistory Co Ltd filed Critical Dentistory Co Ltd
Publication of EP4505902A2 publication Critical patent/EP4505902A2/de
Publication of EP4505902A4 publication Critical patent/EP4505902A4/de
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0087—Brushes with decoration on or in the handle
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • 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
    • 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
    • A46B15/0026—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with a magnetic means
    • 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
    • A46B15/0036—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with a lighting means, e.g. laser, bulb
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0089—Brushes with figurines such as animals on the handle
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0097—Self supporting, e.g. brushes that stand upright or in other particular ways
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/0095—Removable or interchangeable brush heads

Definitions

  • the present invention relates to a toothbrush and toothbrush set provided with an attention-inducing member that may stimulate interest in brushing, thereby facilitating the development of toothbrushing habits in young children.
  • a toothbrush is an oral hygiene tool used for brushing with toothpaste to maintain oral cleanliness and dental health.
  • the toothbrush consists of a head with bristles mounted on one end of a long stick-shaped handle, which the user inserts into the mouth to brush their teeth.
  • the decorations attached to the handle of the toothbrush could not be replaced until the toothbrush's lifespan ended, leading to a decrease in interest over time.
  • toothbrushes of family members are commonly stored together on a toothbrush holder provided in the bathroom sink, etc.
  • the bristles of each toothbrush can come into contact with each other as the head with the bristles is positioned in the storage space of the toothbrush holder, which is an unhygienic issue.
  • the present invention is to provide a toothbrush and toothbrush set including a detachable attention-inducing member, which remains easily visible during brushing to stimulate the child's curiosity and induce daily brushing habits.
  • the present invention is to provide a toothbrush and toothbrush set including a detachable attention-inducing member, which may be periodically replaced with various characters that capture a child's interest, thus continuously inducing the child's daily brushing habits.
  • the present invention is to provide a toothbrush which has excellent identifiability and may be easily stored in a toothbrush holder without interfering with other toothbrushes when not in use, providing a highly hygienic, and a toothbrush set.
  • a toothbrush including a toothbrush head including a brush portion having a plurality of bristles; a toothbrush handle having an end connected to the toothbrush head; and an attention-inducing member including a detachable portion detachably provided at the other end of the toothbrush handle and an image portion extending from the detachable portion and having a character embodied therein.
  • the toothbrush according to the present embodiment may include a coupling member provided with a support portion of which one end extends from the other end of the toothbrush handle into the toothbrush handle toward the toothbrush head so as to be fixed, and a mounting portion provided on the other end of the support portion and fixed to the other end of the toothbrush handle.
  • the detachable portion of the attention-inducing member may be detachably provided on the mounting portion of the coupling member through magnetic force.
  • the toothbrush handle may be detachably coupled to the toothbrush head, and during the coupling, the support portion of the coupling member extends to be inserted from one end of the toothbrush handle into the toothbrush head.
  • either one of the mounting portion of the coupling member and the detachable portion of the attention-inducing member may be provided as a magnet and the other is made of a metal that is detachable by a magnetic force of the magnet, or both the mounting portion of the coupling member and the detachable portion of the attention-inducing member are provided as magnets that are detachable by magnetic force.
  • the toothbrush according to the present embodiment may include a rotation support member which is rotatably provided on the other end of the toothbrush handle using a longitudinal direction, in which the toothbrush head and the toothbrush handle are connected to each other, as a rotational axis, wherein the detachable portion of the attention-inducing member is detachably provided on the rotation support member.
  • a coupling groove may be defined in the rotation support member, and the detachable portion of the attention-inducing member may be provided as a coupling projection inserted into the coupling groove.
  • a stepped portion may be provided inside the coupling groove, and a hooking portion, which is hooked with the stepped portion, is provided on the coupling projection.
  • the coupling projection may be inserted into the coupling groove along the rotational axis of the rotation support member or along a direction perpendicular to the rotational axis.
  • a coupling groove may be defined in the other end of the toothbrush handle, and a coupling projection, which is detachably coupled to the coupling groove, is provided on the detachable portion of the attention-inducing member, or a coupling groove is defined in the detachable portion of the attention-inducing member, and a coupling projection, which is detachably coupled to the coupling groove, is provided on the other end of the toothbrush handle.
  • the detachable portion of the attention-inducing member may have a cap shape which is detachably coupled to the other end of the toothbrush handle while surrounding the other end of the toothbrush handle, or the other end of the toothbrush handle may have a cap shape which is detachably coupled to the detachable portion of the attention-inducing member while surrounding the detachable portion.
  • the image portion of the attention-inducing member may be provided as at least one of an image, picture, or a 3D model, such as a character or a toy.
  • the image portion the image portion may be manufactured using a lenticular printing technique.
  • the toothbrush according to the present embodiment may further include a light-emitting unit disposed on the attention-inducing member to irradiate light to the outside.
  • a toothbrush set including: a toothbrush including: a toothbrush head comprising a plurality of bristles; a toothbrush handle with one end connected to the toothbrush head; a coupling member, including: a support portion of which one end extends from the other end of the toothbrush handle into the toothbrush handle toward the toothbrush head so as to be fixed; and a mounting portion provided on the other end of the support portion and fixed to the other end of the toothbrush handle; and an attention-inducing member including: a detachable portion detachably provided on the mounting portion of the coupling member through magnetic force; and an image portion extending from the detachable portion and having a character embodied therein, and a toothbrush holder which is provided on a wall or mirror in a space, in which the toothbrush is used, and to which the detachable portion of the attention-inducing member is detachably provided through the magnetic force.
  • the toothbrush may have the advantage of being able to naturally induce the child's brushing habit by capturing the child's interest with the detachable attention-inducing member provided thereon.
  • the detachable member may be moved significantly upward from the end of the toothbrush to align with the eye level of the child and may be rotated 360 degrees, allowing the child to comfortably see the detachable member with the naked eyes during the entire brushing time.
  • the guardian may become the character and engage in role-playing or continue imaginary conversations with the child, stimulating the child's imagination and guiding them to make the appropriate mouth movements.
  • the attention-inducing member may maximize the identifiability of the toothbrush, and when not in use, the toothbrush may be conveniently stored in the toothbrush holder without interference from other toothbrushes, thereby improving hygiene.
  • a toothbrush including: a toothbrush head including a brush portion having a plurality of bristles; a toothbrush handle having an end connected to the toothbrush head; and an attention-inducing member including a detachable portion detachably provided at the other end of the toothbrush handle and an image portion extending from the detachable portion and having a character embodied therein.
  • FIG. 1 is a schematic perspective view of a toothbrush according to an embodiment
  • FIG. 2 is a schematic perspective view of a detachable coupling structure in which a toothbrush handle and a toothbrush head are separable in FIG. 1
  • FIG. 3 is a schematic perspective view illustrating a state in which a child's gaze is focused on an attention-inducing member
  • FIG. 4 is a schematic perspective view illustrating a state in which the toothbrush in FIG. 1 is detachably provided on a toothbrush holder through magnetic force.
  • a toothbrush 100 includes a toothbrush head 110 including a toothbrush portion 111 provided with a plurality of bristles 111a, a toothbrush handle 120 , having one end connected to the toothbrush head 110, coupling member 130 including a support portion 131 extending inward the toothbrush handle 120 and fixed in place and a mounting portion 132 disposed on the other end of the support portion 131 and fixed to the other end of the toothbrush handle 120, and an attention-inducing member 140 including a detachable portion 141 that is detachably provided on the mounting portion 132 of the coupling member 130 through magnetic force and an image portion 142 extending from the detachable portion 141 and having a character embodied therein.
  • the support portion 131 of the coupling member 130 may have one end that is fixed to and extended from the other end of the toothbrush head 110 along a direction of the toothbrush head 110 and may be provided on the toothbrush handle 120 by a double injection molding method.
  • the toothbrush handle 120 may be detachably coupled to the toothbrush head 110.
  • the toothbrush handle 120 may be manufactured separately from the toothbrush head 110, and have a structure in which when the toothbrush handle 120 and the toothbrush head 110 are coupled to each other, the support portion 131 of the coupling member 130 is extended from one end of the toothbrush handle 120 and inserted into the toothbrush head 110.
  • toothbrush head 110 may be easily replaced and combined with the toothbrush handle 120 for use.
  • the mounting portion 132 of the coupling member 130 and the detachable portion 141 of the attention-inducing member 140 may be detachably coupled to each other through magnetic force.
  • one of the two may be provided as a magnet, while the other may be provided as metal that is detachable through the magnetic force of the magnet.
  • the mounting portion 132 of the coupling member 130 and the detachable portion 141 of the attention-inducing member 140 may both be provided as magnets that are detachable through magnetic force.
  • the image portion 142 of the attention-inducing member 140 may be made of at least one of an image, a photo, or a 3D model such as a character or a toy.
  • the image portion 142 may also be provided with the user's name individually or in addition to the image to improve identifiability.
  • the image portion 142 may be manufactured using a lenticular printing technique to enhance the visual effect.
  • the toothbrush head 110 and the toothbrush handle 120 are separately manufactured and coupled to each other through the support portion 131 of the coupling member 130, but it is not limited thereto.
  • the toothbrush head and toothbrush handle may be integrally injection-molded, and during integral injection molding, a magnet may be inserted at an end of the toothbrush handle instead of the coupling member, allowing for simpler production through plastic injection molding.
  • the toothbrush 100 may capture the interest of infants or children through the image portion 42 of the attention-inducing member 140, allowing infants or children to enjoy brushing, whether they brush themselves or with the help of guardian.
  • the image portion 142 of the attention-inducing member 140 may rotate together, while the detachable portion 141 of the attention-inducing member 140 remains attached to the mounting portion 132 of the coupling member 130. This allows the infant or child's gaze to remain continuously focused on the image portion 142.
  • the toothbrush 100 may further include a light-emitting unit, which irradiates light to the outside, on the attention-inducing member 140.
  • the light-emitting unit may include an LED Light Emitting Diode that is accommodated inside the image portion 142 of the attention-inducing member 140, and a battery that supplies current to the LED.
  • the image portion 142 may be made of a transparent material so that the light emitted through the LED is irradiated to the outside.
  • the attention-inducing member 140 may have a structure in which the image portion 142 is detachable from the detachable portion 141 to facilitate the mounting or replacement of the LED.
  • the toothbrush 100 when a child or infant is brushing their teeth in a dark environment, the toothbrush 100 according to the present embodiment may emit light through the light-emitting unit, not only capturing the child's or infant's interest but also helping them brush correctly.
  • the toothbrush 100 may be provided with a toothbrush set 10 including a toothbrush holder 200 provided on a wall or mirror of a space where the toothbrush 100 is used.
  • the toothbrush holder 200 may be separably fixed to a wall or mirror in the space where the toothbrush 100 is used, such as a bathroom.
  • the attention-inducing member 140 of the toothbrush 100 i.e., the detachable portion 141, may be detachably fixed to one side of the toothbrush holder 200 through magnetic force.
  • the toothbrush holder 200 may be made of a metal that is detachable through magnetic force. Additionally, if the detachable portion 142 of the attention-inducing ember 140 is made of a metal, the toothbrush holder 200 may be provided as a magnet.
  • the toothbrush 100 may be detachably fixed to the toothbrush holder 200 by attaching the mounting portion 132 of the coupling member 130 to the detachable portion 142 through magnetic force in a state in which the attention-inducing member 140 is fixed to the toothbrush holder 200 by the detachable portion 141.
  • the toothbrush 100 may also be detachably fixed directly to the toothbrush holder 200 by the mounting portion 132.
  • the toothbrush holder 200 may be provided as a magnet, allowing the mounting portion 132 to be attached to one side of the toothbrush holder 200 through magnetic force. This enables the toothbrush 100 to be directly and detachably fixed to the toothbrush holder 200 without involving the attention-inducing member 140.
  • the mounting portion 132 of the coupling member 130 is made of a metal and, correspondingly, the detachable portion 141 of the attention member 140 is provided as a magnet
  • the toothbrush hanger 200 is provided as a magnet that is detachable through magnetic force from the detachable portion 141.
  • the toothbrush 100 may be easily fixed to and detached from the toothbrush holder 200.
  • the toothbrush head 110 may maintain an independent floating state in a front space of the toothbrush holder 200 without external interference or contact, thereby allowing the bristles 111a to dry quickly and improving hygiene.
  • the structure in which the toothbrush 100 is horizontally fixed to the toothbrush holder 200 has been disclosed, it is not limited thereto. A structure in which the toothbrush 100 is vertically fixed to the toothbrush holder 200 may also be applied.
  • the increased portion allows the toothbrush 100 to be fixed and detached vertically to the toothbrush holder 200.
  • a detachable structure using magnets and metal may be applied to the increased portion and the toothbrush holder 200.
  • the toothbrush holder 200 may be fixed to a mirror or wall in a horizontal plate shape or in a bent shape consisting of a vertical plate and a horizontal plate, allowing the mounting portion 132 of the coupling member 130 or the detachable portion 141 of the attention-inducing member 140 to be fixed to a top surface or bottom surface of the horizontal plate.
  • This allows the toothbrush 100 to be fixed or detached in the vertical direction, and in this case, the detachable structure may be applied using magnets and metal.
  • a separate magnet or metal may be installed on one side surface of the toothbrush handle 120 so that the toothbrush 100 may be fixed or detached vertically to the toothbrush holder 200 through the magnet and metal.
  • FIG. 5 is a schematic perspective view of a toothbrush according to another embodiment
  • FIG. 6 is a schematic cross-sectional view of a main portion of a longitudinal direction connecting a toothbrush handle and a toothbrush head of FIG. 5
  • FIG. 7 is a cross-sectional view taken along line I-I' of FIG. 6
  • FIG. 8 is a schematic perspective view of main portions of a rotation support member and an attention-inducing member according to another embodiment
  • FIG. 9 is a cross-sectional view taken along line II- II' of FIG. 8 .
  • a toothbrush 300 includes a toothbrush head 310 including a toothbrush portion 311 provided with a plurality of bristles 311a, a toothbrush handle 320 having one end connected to the toothbrush head 310, a rotation support member 330 rotatably provided on the other end of the toothbrush handle 320 using a longitudinal direction connecting the toothbrush head 310 to the toothbrush handle 320 as a rotation axis, a detachable portion 341 detachably provided on the rotation support member 330, and an attention-inducing member 340 having an image portion 342 extending from the detachable portion 341 and having a character embodied therein.
  • the rotation support member 330 may have a roughly cylindrical shape with a " ⁇ "-shaped coupling projection 331 that is inserted and coupled to a coupling groove 321 defined in the other end of the toothbrush handle 320, but, it is not limited thereto.
  • the coupling projection may be provided on the toothbrush handle 320, and a corresponding coupling groove in which the coupling projection is inserted and fixed may be defined in the rotation support member 330.
  • the rotation support member 330 may have a coupling groove 332a, defined in one side of the outer circumferential surface 332, into which the detachable portion 341 of the attention-inducing member 340 is detachably inserted, with the surface exposed when the rotation support member 330 is inserted and fixed to the other end of the toothbrush handle 320.
  • the detachable portion 341 of the attention-inducing member 340 may be provided as a coupling projection 341a that is inserted into the coupling groove 332a. That is, the coupling projection 341a constituting the detachable portion 341 may be inserted into the coupling groove 332a along a direction approximately perpendicular to a rotational axis of the rotation support member 330.
  • a stepped portion 332a-1 may be provided inside the coupling groove 332a, and a hooking portion 341a-1 that is hooked with the stepped portion 332a-1 may be provided on the coupling projection 341a.
  • the hooking portion 341a-1 may be made of an elastic rubber material or a flexible resin material and is detachable for replacement from the rotation support member 330.
  • the coupling projection 341a may be made of an elastic rubber material or a flexible resin material, and the coupling projection 341a may be configured to be inserted to or removed from the coupling groove 332a by a press-fit manner.
  • a coupling projection may be provided on one side of the rotation support member 330 instead of the coupling groove 332a, and a corresponding coupling groove may be defined in the detachable portion 341 of the attention-inducing member 340. Accordingly, the attention-inducing member 340 may be fixed to or detached from the rotation support member 330 by inserting or removing the coupling projection of the rotation support member 330 into or from the coupling groove defined in the detachable portion 341 of the attention-inducing member 340.
  • the rotation support member 330 may have a coupling groove 332a, defined in one side of the outer circumferential surface 332, into which the detachable portion 341 of the attention-inducing member 340 is detachably inserted, with the surface exposed when the rotation support member 330 is inserted and fixed to the other end of the toothbrush handle 320.
  • the detachable portion 341 of the attention-inducing member 340 may be provided as the coupling projection 341a that is inserted into the coupling groove 332a. That is, the coupling projection 341a constituting the detachable portion 341 may be inserted into the coupling groove 332a along a direction approximately perpendicular to a rotational axis of the rotation support member 330.
  • the rotation support member 330 may have at least one fixing projection 331a provided on an outer circumferential surface of the coupling projection 331 in a circumferential direction. Accordingly, a plurality of fixing grooves 321a corresponding to the at least one fixing projection 331a may be defined in an inner circumferential surface of the coupling groove 121 of the toothbrush handle 320 in the circumferential direction.
  • the at least one fixing projection 331a may be coupled to and separated from the plurality of fixing grooves 321a in a forced insertion manner by rotating the rotation support member 330, it is not limited thereto.
  • the at least one fixing projection 331a may also be coupled to and separated through an elastic mechanism, whereby it is elastically compressed during rotation of the rotation support member 330 and then resiliently returns to its original position within the plurality of fixing grooves 321a.
  • the rotation support member 330 may be arbitrarily fixed in a position at which at least one fixing projection 331a is coupled to any one of the plurality of fixing grooves 321a when rotated around the longitudinal axis connecting the toothbrush head 310 to the toothbrush handle 320 in a state in which the coupling projection 331 is inserted and fixed to the coupling groove 321.
  • the image portion 342 of the attention-inducing member 340 may be made of at least one of an image, a photo, or a 3D model such as a character or a toy.
  • the image portion 342 may also be provided with the user's name individually or in addition to the image to improve identifiability.
  • the image portion 342 may be manufactured using a lenticular printing technique to enhance the visual effect.
  • the toothbrush 300 may capture the interest of infants or children through the image portion 342 of the attention-inducing member 340, allowing infants or children to enjoy brushing, whether they brush themselves or with the help of guardian.
  • the image portion 342 may be continuously located in the line of sight of the infant or child being brushed.
  • the toothbrush 300 may further include a light-emitting unit, which irradiates light to the outside, on the attention-inducing member 340.
  • the light-emitting unit may include an LED Light Emitting Diode that is accommodated inside the image portion 342 of the attention-inducing member 340, and a battery that supplies current to the LED.
  • the image portion 342 may be made of a transparent material so that the light emitted through the LED is irradiated to the outside.
  • the attention-inducing member 340 may have a structure in which the image portion 342 is detachable from the detachable portion 341 to facilitate the mounting or replacement of the LED.
  • the toothbrush 300 when a child or infant is brushing their teeth in a dark environment, the toothbrush 300 according to the present embodiment may emit light through the light-emitting unit, not only capturing the child's or infant's interest but also helping them brush correctly.
  • a coupling groove 433a may be defined in a center of an end surface 433, which is in contact with the outer circumferential surface 432 of a rotation support member 430. Accordingly, a detachable portion 441 of an attention-inducing member 440 may be provided with a coupling projection 441a protruding in a lateral direction approximately perpendicular to the longitudinal direction of the attention-inducing member 440.
  • the coupling projection 441a constituting the detachable portion 441 may be inserted into the coupling groove 433a along a rotational axis of the rotation support member 430.
  • a stepped portion 433a-1 may be provided inside the coupling groove 433a, and a hooking portion 441a-1 that is hooked with the stepped portion 433a-1 may be provided on the coupling projection 441a.
  • the hooking portion 441a-1 may be made of an elastic rubber material or a flexible resin material and is detachable for replacement from the rotation support member 430.
  • the coupling projection 441a may be made of an elastic rubber material or a flexible resin material, and the coupling projection 441a may be configured to be inserted to or removed from the coupling groove 433a by a press-fit manner.
  • a coupling groove may be defined in the other end of the toothbrush handle, and a coupling protrusion corresponding to the coupling groove may be provided on the detachable portion of the attention-inducing member, allowing the attention-inducing member to be detachably coupled directly to the other end of the toothbrush handle by coupling the coupling protrusion to the coupling groove.
  • a coupling groove may be defined in the detachable portion of the detachable portion of the attention-inducing member, and a coupling protrusion corresponding to the coupling groove may be provided on the other end of the toothbrush handle, allowing the coupling protrusion to be detachably coupled to the coupling groove.
  • the coupling protrusion may be rotatably provided while being inserted into the coupling groove, allowing the attention-inducing member to rotate 360 degrees around the toothbrush handle, so that the attention-inducing member may be located at the child's eye level throughout the brushing time.
  • FIG. 10 is a schematic perspective view of a toothbrush according to another embodiment.
  • a toothbrush 500 according to another embodiment discloses that a toothbrush handle 520 and an attention-inducing member 540 are provided to be coupled or separated by a press-fit manner.
  • a detachable portion 541 of the attention-inducing member 540 may be coupled to or detached from an end of the toothbrush handle 520 in a press-fit manner, similar to a cap.
  • the end of the toothbrush handle 520 may also be coupled to or detached from the detachable portion 541 of the attention-inducing member 540 in a press-fit manner, similar to the cap.
  • the detachable portion 541 of the attention-inducing member 540 may be rotated while being press-fitted to the end of the toothbrush handle 520.
  • the detachable portion 541 may be rotated to match the line of sight of the infant or child who is the target of brushing, so that an image portion 542 extended from the detachable portion 541 may be continuously located at the line of sight of the brushing target.
  • a plurality of fixing grooves or fixing projections may be provided on a circumference of the end of the toothbrush handle 520 at intervals, and corresponding fixing protrusions or fixing grooves may also be provided on an inner circumferential surface of the detachable portion 541 that corresponds to these fixing grooves or fixing protrusions.
  • FIG. 11 is a schematic perspective view of a toothbrush according to another embodiment.
  • a toothbrush 600 discloses a structure in which a toothbrush handle 620 and an attention-inducing member 640 are coupled to or separated from in a fitting manner.
  • a lower end portion of a detachable portion 641 of the attention-inducing member 640 is provided in a bent and protruding shape to have an fitting projection 641a, and an fitting hole 620a may be defined in an end of the toothbrush handle 620, where the fitting projection 641a is coupled to or separated from in a fitting manner.
  • the attention-inducing member 640 may rotate around the fitting hole 620a of the toothbrush handle 620 while being coupled through the fitting projection 641a.
  • the attention-inducing member 640 may be rotated to match the line of sight of the infant or child who is the target of brushing, so that an image portion 642 extended from the detachable portion 641 may be continuously located at the line of sight of the brushing target.
  • FIG. 12 is a schematic perspective view of a toothbrush according to another embodiment.
  • a toothbrush 700 according to an embodiment, similar to the above-described toothbrush 600 of FIG. 11 , discloses a structure in which a toothbrush handle 720 and an attention-inducing member 740 are coupled to or separated from in a fitting manner.
  • the toothbrush 700 is similar in the fitting manner to the toothbrush 600 of FIG. 11 described above.
  • a fitting projection 720a may be provided on an end of the toothbrush handle 720, and a fitting hole 741a into which the fitting projection 720a is coupled to or separated from may be defined in the detachable portion 741 of the attention-inducing member 740.
  • the attention-inducing member 740 may rotate around the fitting hole 741a.
  • the attention-inducing member 740 may be rotated to match the line of sight of the infant or child who is the target of brushing, so that an image portion 742 extended from the detachable portion 741 may be continuously located at the line of sight of the brushing target.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Brushes (AREA)
EP23784929.4A 2022-04-04 2023-04-03 Zahnbürste und zahnbürstenset Pending EP4505902A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220041651A KR102702180B1 (ko) 2022-04-04 2022-04-04 칫솔 및 칫솔 셋트
PCT/KR2023/004428 WO2023195704A2 (ko) 2022-04-04 2023-04-03 칫솔 및 칫솔 셋트

Publications (2)

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EP4505902A2 true EP4505902A2 (de) 2025-02-12
EP4505902A4 EP4505902A4 (de) 2025-09-10

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EP23784929.4A Pending EP4505902A4 (de) 2022-04-04 2023-04-03 Zahnbürste und zahnbürstenset

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US (1) US20250107618A1 (de)
EP (1) EP4505902A4 (de)
JP (1) JP7795239B2 (de)
KR (1) KR102702180B1 (de)
CN (1) CN119012942A (de)
WO (1) WO2023195704A2 (de)

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JP2025514564A (ja) 2025-05-02
CN119012942A (zh) 2024-11-22
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JP7795239B2 (ja) 2026-01-07
KR20230142959A (ko) 2023-10-11
WO2023195704A2 (ko) 2023-10-12
KR102702180B1 (ko) 2024-09-02
US20250107618A1 (en) 2025-04-03

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