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KR101906978B1 - Small-sized and Hand-operated Rotary Toothbrush - Google Patents

Small-sized and Hand-operated Rotary Toothbrush Download PDF

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Publication number
KR101906978B1
KR101906978B1 KR1020170029840A KR20170029840A KR101906978B1 KR 101906978 B1 KR101906978 B1 KR 101906978B1 KR 1020170029840 A KR1020170029840 A KR 1020170029840A KR 20170029840 A KR20170029840 A KR 20170029840A KR 101906978 B1 KR101906978 B1 KR 101906978B1
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South Korea
Prior art keywords
toothbrush
bristle
receiving portion
bristles
fastening
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KR1020170029840A
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Korean (ko)
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KR20180103226A (en
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이일주
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이일주
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Priority to KR1020170029840A priority Critical patent/KR101906978B1/en
Priority to US15/822,322 priority patent/US20180255914A1/en
Publication of KR20180103226A publication Critical patent/KR20180103226A/en
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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/08—Brushes with driven brush bodies or carriers hand-driven
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/06—Bristle carriers arranged in the brush body movably during use, i.e. the normal brushing action causing movement
    • A46B7/08—Bristle carriers arranged in the brush body movably during use, i.e. the normal brushing action causing movement as a rotating disc
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/008—Disc-shaped brush bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/0095—Removable or interchangeable brush heads
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/04—Bristle carriers arranged in the brush body interchangeably removable bristle carriers
    • 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

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  • Brushes (AREA)

Abstract

본 발명은 작은 크기의 수동 회전식 칫솔에 관한 것으로, 특히 칫솔 머리부의 두께를 얇게 하기 위하여 칫솔모와 칫솔 머리부의 체결 부위를 칫솔 머리부 및 칫솔모대의 측면에 오도록 구성한다. 칫솔모와 칫솔 머리부의 결합은 각각 체결홈과 체결돌기 또는 체결돌기와 체결홈을 형성하여 서로 맞물리게 한다. 또한, 칫솔모의 탈부착을 위한 여유공간을 확보하기 위하여 칫솔 머리부의 칫솔모 수용부 아래쪽으로 연장 홈을 길게 낸다.The present invention relates to a small size hand-held toothbrush, and in particular, to reduce the thickness of the toothbrush head, the bristles and the fastening portion of the head of the toothbrush are located on the side of the toothbrush head and the bristle cradle. The engagement of the bristles with the head of the toothbrush forms a locking groove and a locking projection or a locking projection and a locking groove, respectively, to engage with each other. Further, in order to secure a clearance space for attachment and detachment of the bristles, an elongated groove is formed long below the receiving portion of the bristles of the head portion of the toothbrush.

Description

작은 크기의 수동 회전식 칫솔{Small-sized and Hand-operated Rotary Toothbrush}≪ Desc / Clms Page number 1 > Small-sized and Hand-operated Rotary Toothbrush &

본 발명은 영유아나 큰 크기의 칫솔을 사용하기 어려운 사람을 위하여 작은 크기로 설계된 수동 회전식 칫솔에 관한 것으로, 칫솔모 머리 부분의 크기 특히 칫솔모 머리 부분의 두께를 획기적으로 줄인 수동 회전식 칫솔에 관한 것이다.The present invention relates to a passive rotary brush designed to be small in size for infants or persons who are difficult to use a large size toothbrush, and particularly to a passive rotary brush which greatly reduces the size of the bristle head portion, particularly the thickness of the bristle head portion.

일반 칫솔은 칫솔의 머리 부분에 칫솔모가 고정되어 있어서 칫솔 몸체를 조금 움직이면서도 칫솔모를 많이 움직일 방법이 없어 양치시 손과 손목을 많이 사용하게 된다.A common toothbrush is that the bristles are fixed to the head of the toothbrush, so there is no way to move a lot of bristles while moving a little bit of the toothbrush body, so that a lot of hands and wrists are used when brushing teeth.

전동 칫솔은 전기 모터를 이용하여 자동으로 이를 닦는 것으로 칫솔 몸체를 적당한 위치에 갖다 대면 칫솔모가 자동으로 회전하여 이를 닦기 때문에 손과 손목을 많이 사용할 필요가 없으므로 팔이나 손동작이 자유롭지 못하거나 복잡한 치열교정장치를 부착한 경우 등 손쉽게 이를 닦고자 할 경우 도움이 된다. 그러나 칫솔에 배터리, 모터 등 전자적 부속품을 장착하여야 하므로 가격이 비싸고 수분이 들어가면 고장이 나기 때문에 관리가 까다로운 단점이 있다.The electric toothbrush automatically wipes the teeth using an electric motor. When the toothbrush body is placed in an appropriate position, the bristles rotate automatically to wipe the teeth. Therefore, since it is not necessary to use a large amount of hands and wrists, It is helpful to wipe it easily. However, since the toothbrush must be equipped with electronic accessories such as a battery and a motor, it is expensive, and when the moisture is supplied, it is troublesome and difficult to manage.

수동으로 동작하는 회전식 칫솔은 일반 칫솔과 전동 칫솔의 중간 형태로서, 칫솔모를 둥글게 굴리면서 양치하는 경우 칫솔대를 치아에 대고 회전시키듯 밀면 칫솔대는 거의 안 움직이면서 칫솔모가 회전하여 치아와 치아 사이 및 치아와 잇몸 사이를 구석구석 잘 닦을 수 있게 된다. 올바른 양치법으로 권장되는 방법 중 위아랫니를 다문 채 둥글게 닦는 폰즈법의 경우, 수동 회전식 칫솔을 사용하는 것이 효과적이다. 또한, 이것은 수동으로 동작하기 때문에 배터리나 모터와 같은 전자적 부속품이 필요하지 않으므로 사용하기 편하고 가격이 비교적 저렴하다.A manually operated rotating toothbrush is an intermediate form between a general toothbrush and a powered toothbrush. When the bristles are rolled and rolled round, the toothbrush is rotated so that the toothbrush is rotated. When the toothbrush is rotated, the bristles rotate and the toothbrush is rotated. It will be able to wipe well between every corner. Among the methods recommended by the correct tooth brushing method, it is effective to use a hand-held toothbrush in the case of the ponzu method in which the stomach of the stomach is widened. In addition, because it operates manually, it does not require electronic accessories such as batteries and motors, so it is easy to use and relatively inexpensive.

본 출원인의 등록특허 제10-1464244호 및 제10-1697536호에는 이러한 수동 회전 칫솔이 개시되어 있다. 수동 회전 칫솔은 칫솔모가 칫솔 몸체와는 별개로 회전할 수 있어야 하므로 칫솔모를 분리하여 칫솔 머리부에 회전 가능하도록 장착시킨다. 그런데 위 선행 특허들에 개시된 칫솔은 칫솔모를 2개 장착하도록 되어 있고, 칫솔모와 칫솔 머리부의 결합 부위가 칫솔모대의 원주 방향이 아닌 높이 방향으로 되어 있어서 칫솔 머리부의 길이도 길고 두께도 두꺼워 작은 칫솔을 사용하여야 하는 경우에 곤란하다.Applicants' 10 10644244 and 10-1697536 disclose such a manually rotating toothbrush. The manually-rotating toothbrush requires that the bristles be rotatable independently of the toothbrush body, so that the bristles are detachably mounted on the head of the toothbrush so as to be rotatable. However, the toothbrush disclosed in the above prior patents is equipped with two bristles, and the bristles are connected to the head portion of the toothbrush head in the height direction rather than in the circumferential direction of the bristle head, so that the length of the toothbrush head is long and the thickness is thick. It is difficult to do so.

본 발명은 영유아와 같이 처음부터 입이 작거나 구강 내 사정으로 인하여 입을 크게 벌리지 못하는 경우 등 양치시 칫솔의 크기에 민감한 경우에 사용할 수 있도록 칫솔의 크기 특히 칫솔의 머리부 두께를 획기적으로 줄인 수동 회전식 칫솔을 제공하는 것을 목적으로 한다.The present invention relates to a toothbrush of the present invention, which can be used when the toothbrush is sensitive to the size of the toothbrush when the mouth is small from the beginning, It is an object of the present invention to provide a toothbrush.

또한, 본 발명은 본인이 아닌 다른 사람이 양치해 줄 때 편리한 방식의 수동 회전식 칫솔을 제공하는 것을 목적으로 한다.It is also an object of the present invention to provide a hand-held rotatable toothbrush in a manner that is convenient for others to brush teeth.

본 발명은 칫솔 머리부의 두께를 얇게 하기 위하여 칫솔모와 칫솔 머리부의 체결 부위를 칫솔 머리부 및 칫솔모대의 측면에 오도록 구성한다.In order to reduce the thickness of the head portion of the toothbrush, the bristles and the fastening portion of the head portion of the toothbrush are arranged on the side of the toothbrush head and the bristle head.

칫솔모와 칫솔 머리부의 결합은 칫솔모대의 측면에 체결홈을 형성하고 칫솔 머리부의 안쪽 측면에 체결돌기를 형성하여 서로 맞물리게 한다.The coupling of the bristles to the head of the toothbrush forms a locking groove on the side of the bristle base and a locking protrusion is formed on the inner side of the head of the toothbrush to engage them.

또한, 칫솔모의 탈부착을 위한 여유공간을 확보하기 위하여 칫솔 머리부의 칫솔모 수용부 아래쪽으로 연장 홈을 길게 낸다.Further, in order to secure a clearance space for attachment and detachment of the bristles, an elongated groove is formed long below the receiving portion of the bristles of the head portion of the toothbrush.

다른 사람이 양치해 주는 칫솔의 경우, 칫솔모가 칫솔대와 같은 방향으로 수용되는 구조를 갖는다. 이 경우에도 칫솔모와 칫솔모 수용부의 결합이 칫솔모대의 측면에서 이루어지도록 구성한다. 칫솔모의 탈부착을 위한 여유공간을 확보하기 위하여 칫솔 머리부 중 칫솔모 수용부의 일부가 개방된 구조를 갖고, 이 개방 구조는 칫솔모 수용부 아래쪽 홈으로 넓게 연장된다.In the case of a toothbrush that another person brushes, the bristles have a structure in which they are received in the same direction as the toothbrush handle. In this case as well, the bristles are coupled with the bristle receiving portion at the side of the bristle stand. A portion of the bristle receiving portion of the toothbrush head portion is opened to secure a clearance space for attachment and detachment of the bristle, and the opening structure extends widely to the groove below the bristle receiving portion.

본 발명에 따르면 칫솔 머리부의 크기, 특히 칫솔 머리부의 두께가 획기적으로 줄어들기 때문에 영유아나 구강 사정이 안 좋아서 입을 크게 벌리지 못하는 사람이 직접 양치할 때 또는 보호자가 양치해 줄 때 편리하게 사용할 수 있는 효과가 있다.According to the present invention, since the size of the head portion of the toothbrush, in particular, the thickness of the head portion of the toothbrush is drastically reduced, it can be conveniently used when a person who can not open his / .

도 1은 본 발명의 일실시예에 따른 분해 사시도이다.
도 2는 본 발명의 다른 실시예에 따른 분해 사시도이다.
도 3은 본 발명의 일실시예에 따른 조립된 상태의 전면 사시도이다.
도 4는 본 발명의 일실시예에 따른 조립된 상태의 배면 사시도이다.
도 5는 본 발명의 또 다른 실시예에 따른 조립된 상태의 전면 사시도이다.
도 6은 본 발명의 또 다른 실시예에 따른 조립된 상태의 배면 사시도이다.1 is an exploded perspective view according to an embodiment of the present invention.
2 is an exploded perspective view according to another embodiment of the present invention.
3 is a front perspective view of an assembled state according to an embodiment of the present invention.
4 is a rear perspective view of an assembled state according to an embodiment of the present invention.
5 is a front perspective view of an assembled state according to another embodiment of the present invention.
6 is a rear perspective view of an assembled state according to another embodiment of the present invention.

본 발명은 작은 크기의 칫솔을 목표로 하고 있기 때문에 360도 회전하는 원형 브러쉬인 칫솔모를 1개 탑재하는 구성을 기본으로 설명한다. 그러나 본 발명의 구성을 일반적인 크기의 칫솔 예컨대 칫솔모를 2개 장착한 칫솔에도 적용할 수 있음은 물론이다.Since the present invention aims at a small-size toothbrush, a brush bristle, which is rotated 360 degrees, is mounted on a single bristle. However, it goes without saying that the present invention is also applicable to a toothbrush having a general size, such as a toothbrush having two bristles.

이하, 도면을 참조하여 본 발명의 실시예를 설명한다.Hereinafter, embodiments of the present invention will be described with reference to the drawings.

도 1은 본 발명의 일실시예에 따른 분해 사시도이다. 칫솔모 본체(10)는 칫솔모(11)가 칫솔모대(12)에 심어진 전체를 칭한다. 칫솔모대(12)의 측면 중앙에 원주 방향으로 체결홈(13)이 형성되어 있다. 칫솔대(100)는 칫솔 머리부(110)와 칫솔 목부(120)와 칫솔 손잡이부(130)를 포함한다. 칫솔 머리부(110)는 회전하는 칫솔모를 탑재할 수 있도록 중공의 칫솔모 수용부(111)를 포함한다. 칫솔모 수용부(111)의 안쪽 측면 중앙에 원주 방향으로 체결돌기(112)가 형성되어 있어서 칫솔모의 체결홈과 서로 맞물릴 수 있다. 칫솔모 수용부(111)는 칫솔 목부로 연장되는 위치에서 아래로 길게 연장 홈을 갖는다. 이 칫솔모 수용부 연장홈(121)은 칫솔모를 탈부착시킬 때 칫솔모 머리부를 약간 벌어지게 하여 탈부착을 위한 여유 공간을 제공한다. 칫솔대의 재질은 강성이 있는 플라스틱 합성 재질이지만 칫솔모 수용부(111)와 연장홈(121)까지 이어지는 부분이 가늘어서 칫솔모를 탑재할 때 손으로 밀면 칫솔모 수용부와 연장홈 사이가 벌어지면서 칫솔모가 부드럽게 탑재된다.1 is an exploded perspective view according to an embodiment of the present invention. The bristle body 10 refers to the whole bristles 11 that are laid on the bristle base 12. A coupling groove 13 is formed in the center of the side surface of the bristle base 12 in the circumferential direction. The toothbrush handle 100 includes a toothbrush head 110, a toothbrush neck 120, and a toothbrush handle 130. The toothbrush head portion 110 includes a hollow bristle receiving portion 111 for mounting a rotating bristle. A fastening protrusion 112 is formed in the center of the inner side of the bristle receiving portion 111 in the circumferential direction so that the fastening protrusion 112 can be engaged with the fastening groove of the bristles. The bristle receiving portion 111 has a groove extending downward at a position extending to the toothbrush portion. The bristle receiving portion extension groove 121 allows the head of the bristles to slightly open when detaching and attaching the bristles, thereby providing a space for detachment and attachment. Although the bristles are made of a synthetic material having rigidity, when the brush bristles are tilted to the bristle receiving portion 111 and the extending groove 121, when the brush bristles are mounted, the bristles are spread between the bristle receiving portions and the extending grooves, do.

도 2는 도 1의 체결방식과는 반대로 칫솔모 수용부(111)에 체결홈(112')이 형성되어 있고, 칫솔모대(12)에 체결돌기(13')가 형성되어 있다.2, a coupling groove 112 'is formed in the bristle receiving portion 111, and a fastening protrusion 13' is formed on the bristle base 12, contrary to the fastening method shown in FIG.

도 3 및 도 4는 칫솔모가 탑재된 상태를 나타내는 전면 사시도와 배면 사시도이다. 칫솔모 본체가 1개 탑재되어 있어 칫솔 머리의 길이를 작게 하고 칫솔모의 칫솔 본체 결합이 칫솔모대의 측면에서 이루어지기 때문에 칫솔모대의 두께가 종래의 칫솔에 비하여 절반이상 줄어든다.3 and 4 are a front perspective view and a rear perspective view showing a state in which the bristles are mounted. Since the length of the head of the toothbrush is reduced and the toothbrush body coupling is performed on the side of the bristle base, the thickness of the bristle base is reduced by half or more as compared with the conventional toothbrush.

도 5 및 도 6은 본 발명의 또 다른 실시예에 따라 칫솔모가 칫솔대에 결합된 상태를 나타내는 전면 및 배면 사시도이다. 이것은 부모나 보호자와 같이 다른 사람이 양치해줄 때 사용의 편의성을 고려한 칫솔이다. 본인이 직접 양치를 하는 경우 칫솔모의 방향은 칫솔대의 방향과 수직이 되지만 다른 사람이 양치해줄 때는 칫솔모가 칫솔대의 방향과 수직인 경우보다 같은 방향인 것이 더 편리하다. 도 5의 칫솔모 본체는 도 1 또는 도 2의 칫솔모 본체와 동일한 구조를 갖고, 칫솔대(200)에서 칫솔 머리부(210)와 칫솔 목부(220)가 한 원통형으로 구성된다. 칫솔 머리부(210)는 칫솔모를 수용하기 위한 중공의 칫솔모 수용부(211)를 포함한다. 칫솔모 수용부(211)는 닫힌 구조가 아니고 약간 벌어질 수 있도록 원주 방향으로 일부가 개방되어 있다. 이 칫솔모 수용부(211)의 열린 부분은 칫솔 목부의 연장홈(221)으로 연장된다. 이 칫솔의 경우는 칫솔 목부(220)가 짧기 때문에 연장홈을 길게 내기가 어렵고 연장홈을 원주 방향으로 넓게 내는 것이 좋다. 또한, 칫솔모 수용부(211)의 안쪽 중앙에 원주 방향으로 체결 돌기가 형성되어 칫솔모대의 체결홈과 맞물리게 된다. 반대로 칫솔모 수용부(211) 쪽에 체결홈을 형성하고 칫솔모대에 체결돌기를 형성할 수도 있다. 이 경우에도 강성이 있는 칫솔대이지만 칫솔모 수용부가 열려 있고, 연장홈으로 넓게 파여 있어서 칫솔모를 탑재할 때 손으로 밀면 벌어지면서 칫솔모가 부드럽게 탑재된다.5 and 6 are front and rear perspective views illustrating a state in which the bristles are coupled to the toothbrush body according to another embodiment of the present invention. This is a toothbrush that allows for ease of use when someone else brushes teeth, such as a parent or guardian. When brushing directly, the direction of the bristles is perpendicular to the direction of the toothbrush, but it is more convenient for others to brush in the same direction than when the bristles are perpendicular to the direction of the toothbrush. The brush bristle body of FIG. 5 has the same structure as the brush bristle body of FIG. 1 or FIG. 2, and the toothbrush head portion 210 and the toothbrush neck portion 220 of the toothbrush holder 200 are formed into a cylindrical shape. The toothbrush head portion 210 includes a hollow bristle receiving portion 211 for receiving bristles. The bristle receiving portion 211 is partially opened in a circumferential direction so as to be slightly widened rather than a closed structure. The open portion of the bristle receiving portion 211 extends into the extension groove 221 of the toothbrush neck portion. In the case of this toothbrush, since the toothbrush neck 220 is short, it is difficult to insert the elongated groove long and it is preferable that the elongated groove is made wide in the circumferential direction. In addition, a fastening protrusion is formed in the center of the inside of the bristle receiving portion 211 in the circumferential direction to engage with the fastening groove of the bristle stand. On the contrary, a fastening groove may be formed on the bristle receiving portion 211 side and a fastening protrusion may be formed on the bristle holder. In this case, the bristle holder is rigid, but the bristle receiving portion is open, and the bristle holder is widened by the extended groove, so that when the bristles are mounted, the bristles are smoothly mounted while being worn by hand.

10: 칫솔모 본체
11: 칫솔모
12: 칫솔모대
13, 112': 체결홈
100, 200: 칫솔대
110, 210: 칫솔 머리부
120, 220: 칫솔 목부
130: 칫솔 손잡이부
111, 211: 칫솔모 수용부
112, 13': 체결돌기
121. 221: 칫솔모 수용부 연장홈10: bristle body
11: Bristles
12: Brush head
13, 112 ': fastening groove
100, 200: toothbrush
110, 210: toothbrush head
120, 220: toothbrush neck
130: Toothbrush handle
111, 211: bristle receiving portion
112, 13 ': fastening projection
121. 221: bristle receiving portion extending groove

Claims (5)

칫솔모가 칫솔대에 탑재되어 수동으로 회전하는 칫솔에 있어서,
중공의 칫솔모 수용부(111)를 지니는 칫솔 머리부(110)를 포함하는 칫솔대(100)와,
칫솔모대(12)의 측면 중앙에 원주 방향으로 체결수단을 지니는 칫솔모 본체(10)를 포함하고,
상기 칫솔모대(12)의 체결수단과 서로 맞물리기 위한 체결수단을 상기 칫솔모 수용부(111)의 안쪽 측면 중앙에 원주 방향으로 형성하고,
칫솔모의 탈부착을 위한 공간을 확보하기 위하여 상기 칫솔모 수용부(111)에서 칫솔 목부(120) 쪽으로 아래로 길게 칫솔모 수용부 연장홈(121)을 구성하고,
상기 상기 칫솔모 수용부(111)와 칫솔모대(12)의 체결수단은 체결돌기(112)와 체결홈(13) 또는 체결홈(112')과 체결돌기(13')인 것을 특징으로 하는 수동 회전식 칫솔.A toothbrush of the present invention is a manually rotated toothbrush mounted on a toothbrush body,
A toothbrush (100) comprising a toothbrush head (110) having a hollow bristle receiving portion (111)
And a bristle body (10) having a fastening means in the circumferential direction at the center of a side surface of the bristle carrier (12)
A fastening means for engaging with the fastening means of the bristle pedestal 12 is formed in the center of the inner side surface of the bristle receiving portion 111 in the circumferential direction,
A bristle receiving portion extending groove 121 is formed downward from the bristle receiving portion 111 toward the toothbrush receiving portion 120 in order to secure a space for attaching and detaching the bristles,
Wherein the fastening means of the bristle receiving portion 111 and the bristle stand 12 is a fastening protrusion 112 and a fastening recess 13 or a fastening recess 112 'and a fastening protrusion 13' toothbrush. 삭제delete 삭제delete 칫솔모가 칫솔대에 탑재되어 수동으로 회전하는 칫솔에 있어서,
다른 사람이 양치해줄 때 편리하도록 칫솔모가 칫솔대에 같은 방향으로 탑재되도록 중공의 칫솔모 수용부(211)를 지니는 칫솔 머리부(210)를 포함하는 칫솔대(200)와,
칫솔모대(12)의 측면 중앙에 원주 방향으로 체결수단을 지니는 칫솔모 본체(10)를 포함하고,
상기 칫솔모대(12)의 체결수단과 서로 맞물리기 위한 체결수단을 상기 칫솔모 수용부(211)의 안쪽 측면 중앙에 원주 방향으로 형성하고,
칫솔모의 탈부착을 위한 공간을 확보하기 위하여 상기 칫솔모 수용부(211)가 개방되어 있고, 칫솔 목부(220) 쪽으로 아래로 넓게 칫솔모 수용부 연장홈(221)을 구성하고,
상기 칫솔모 수용부(211)와 칫솔모대(12)의 체결수단은 체결돌기와 체결홈 또는 체결홈과 체결돌기인 것을 특징으로 하는 수동 회전식 칫솔.A toothbrush of the present invention,
A toothbrush (200) comprising a toothbrush head (210) having a hollow bristle receiving portion (211) for allowing the bristles to be mounted on the toothbrush handle in the same direction for the convenience of others,
And a bristle body (10) having a fastening means in the circumferential direction at the center of a side surface of the bristle carrier (12)
A fastening means for engaging with the fastening means of the bristle pedestal 12 is formed in the center of the inner side surface of the bristle receiving portion 211 in the circumferential direction,
The bristle receiving portion 211 is opened to secure a space for attaching and detaching the bristles and the bristle receiving portion extending groove 221 is formed downward toward the toothbrush 220,
Wherein the fastening means of the bristle receiving portion (211) and the bristle shell (12) is a fastening protrusion, a fastening groove, a fastening groove, and a fastening protrusion. 삭제delete
KR1020170029840A 2017-03-09 2017-03-09 Small-sized and Hand-operated Rotary Toothbrush Active KR101906978B1 (en)

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US12303018B2 (en) 2022-08-10 2025-05-20 Ranir, Llc Replaceable brush head for toothbrush
USD1054216S1 (en) 2022-09-14 2024-12-17 Ranir, Llc Toothbrush head
USD1025611S1 (en) 2022-09-14 2024-05-07 Ranir, Llc Toothbrush

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