KR20090106265A - The toothbrush where the toothbrush wool shift is possible - Google Patents

The toothbrush where the toothbrush wool shift is possible Download PDF

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Publication number
KR20090106265A
KR20090106265A KR1020080031850A KR20080031850A KR20090106265A KR 20090106265 A KR20090106265 A KR 20090106265A KR 1020080031850 A KR1020080031850 A KR 1020080031850A KR 20080031850 A KR20080031850 A KR 20080031850A KR 20090106265 A KR20090106265 A KR 20090106265A
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South Korea
Prior art keywords
toothbrush
head
bristle
brush
bristles
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KR1020080031850A
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Korean (ko)
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KR101217895B1 (en
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김재욱
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김재욱
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Priority to KR1020080031850A priority Critical patent/KR101217895B1/en
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    • 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
    • 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

Abstract

PURPOSE: A toothbrush capable of replacing brush is provided, which improves product quality and convenience of use since brush doesn't come off in using toothbrush. CONSTITUTION: A toothbrush capable of replacing brush comprises: a handle(2); a head(3) which is formed in the handle into one body and in which a joint(31) is formed in the center, a protrusion(32) is formed on the left and right of the joint inner wall surface, and the protrusion is inclined while forming constant angle gradually from one side; and brush(4) in which a coupling piece(41) is formed in the upper end center to be united with the joint of the head and a guide projection(42) is formed along the protrusion(32).

Description

칫솔모 교체가 가능한 칫솔{The toothbrush where the toothbrush wool shift is possible}The toothbrush where the toothbrush wool shift is possible}

본 발명은 칫솔모 교체가 가능한 칫솔에 관한 것으로서, 보다 상세하게는 헤드에 칫솔모가 탈,장착 가능하도록 형성되어짐으로 칫솔모가 마모되어지면 칫솔 전체를 교체할 필요없이 칫솔모만 교체하여 사용할 수 있어 가계비를 절약할 수 있는 칫솔에 관한 것이다.The present invention relates to a toothbrush that can be replaced with a bristles, more specifically, the bristles are formed on the head so that the bristles can be removed and installed, so when the bristles are worn out, only the bristles can be used without replacing the entire bristle to save household expenses. It is about a toothbrush that can be.

일반적으로 칫솔의 대부분은 칫솔대와 칫솔 헤드가 일체로 되어 있으며, 통상의 칫솔모는 일정기간 사용하면 칫솔모가 벌어지거나 마모되기 때문에 효과적인 칫솔질이 되지 않아서 칫솔을 교체해야 된다.In general, most of the toothbrushes and the toothbrush head and the toothbrush head is integrated, the general bristles are not effective brushing because the bristles will open or wear after a period of time to replace the toothbrush.

이러한 경우 칫솔대를 포함하여 칫솔 전체를 폐기해 버리기 때문에 경제성에 있어서 불합리한 점이 있었다.In such a case, the entire toothbrush, including the toothbrush bar, is discarded, which causes unreasonability in economics.

또한, 통상의 칫솔들은 모두 플라스틱을 이용하여 제작되므로 사용하고 나서 폐기할 경우에 환경 친화적인 측면에서도 단점을 가지고 있다.In addition, all the conventional toothbrushes are made of plastic, so there is a disadvantage in terms of environmentally friendly when discarded after use.

그리하여 종래에는 칫솔 이외에 칫솔 헤드만을 교환하여 사용할 수 있게 만든 교체형 칫솔이 개발되어 사용되고 있다.Therefore, in the related art, a replaceable toothbrush that has been developed to be used by exchanging only a toothbrush head in addition to a toothbrush has been developed and used.

그러나, 이러한 기존의 교체형 칫솔 헤드만을 교환하여 재사용하기 때문에 경제성이나 환경친화성에는 잇점이 있으나 제품의 특성상 적절한 결합강도가 아니면 칫솔질시 교환용 헤드가 빠지는 경우가 있고 이와 반대로 세척 또는 칫솔 헤드 교환시 탈,부착을 쉽게 할 수 없는 경우도 있으며, 여러 번 탈,부착을 반복하게 되면 칫솔대의 변형이 일어나서 결합된 교환용 헤드가 적절한 결합 강도를 유지하지 못하는 경우가 생겨 칫솔질시 교환용 헤드가 탈착되어 버리는 결점이 있다.However, since only the existing replacement toothbrush head is replaced and reused, there is an advantage in economical or environmental friendliness, but if the proper bonding strength is not sufficient in the characteristics of the product, the replacement head may fall out when brushing and, conversely, when cleaning or replacing the toothbrush head In some cases, detachment and attachment may not be easy, and repeated removal and attachment of the toothbrush may cause deformation of the toothbrush and the combined replacement head may not maintain the proper bond strength. There is a drawback to discarding.

또한, 기존의 교체형 칫솔은 칫솔대와 교환용 헤드를 결합시켜 주는 결합 부분을 가지기 때문에 그 주위에 틈새가 발생되어 교환용 헤드의 결합력이 약해짐은 물론 틈새에 치약이나 이물질 등이 끼게 되어 위생적인 측면에서도 불합리한 문제가 있다.In addition, the existing replaceable toothbrush has a coupling portion that couples the toothbrush rod and the replacement head, so that a gap is generated around the toothbrush, thereby weakening the binding force of the replacement head and causing toothpaste or foreign matter to be caught in the gap. There is also an unreasonable problem.

따라서, 본 발명은 상기한 문제를 해결하기 위하여 안출한 것으로 칫솔의 헤드에 칫솔모가 회전되면서 견고하게 장착되어 칫솔 사용시 칫솔모가 빠지지 않아 사용의 편리함은 물론 제품성을 향상시킬 수 있으며, 칫솔모의 회전으로 헤드로부터 칫솔모를 쉽게 분리할 수 있으므로 교체가 간편하여 사용자에게 편리함을 향상시킬 수 있도록 한 칫솔모 교체가 가능한 칫솔을 제공하고자 하는 데 그 목적이 있다.Therefore, the present invention has been devised to solve the above problems, the bristles are firmly mounted to the head of the toothbrush as the bristles are rotated so that the bristles do not fall out when using the toothbrush, as well as the convenience of use and improve the productability, by rotating the bristles It is an object of the present invention to provide a toothbrush that can be replaced with a bristle that can be easily removed from the head so that the user can easily replace the bristles.

상기한 목적을 달성하기 위한 본 발명은 헤드에 결합부를 형성하며, 상기 결합부 내벽면 좌,우에 돌출편을 형성하되 상기 돌출편은 한쪽면에서부터 점차적으로 일정각을 이루면서 서로 반대 방향으로 경사지게 형성하고, 상기 헤드에 탈,장착 가능하게 칫솔모가 형성되어지되 상기 칫솔모는 상단에 결합부에 장착되어지는 결속편이 형성되어지며, 상기 결속편 상부 좌,우측에 돌출편을 따라 상,하로 슬라이드되면서 칫솔모를 결합부내에서 탈,장착시키게 되는 가이드돌기가 형성되어짐을 특징으로 하는 칫솔모 교체가 가능한 칫솔을 제공함에 있는 것이다.In order to achieve the above object, the present invention forms a coupling portion in the head, and the protrusions are formed on the left and right sides of the inner wall of the coupling portion, and the protrusions are gradually inclined in opposite directions from each other at a predetermined angle. The bristles are formed to be detachable from the head, but the bristles are formed on the upper end of the bristle pieces to be mounted on the coupling part, and the bristles slide upward and downward along the protruding pieces on the upper and left sides of the binding pieces. To provide a bristle replaceable toothbrush, characterized in that the guide projection to be removed, mounted in the coupling portion is formed.

이와 같이 본 발명은 헤드에 경사각을 이루면서 돌출편이 형성되어 있는 결합부를 형성하고 상기 돌출편에 의해 칫솔모가 결합부내로 회전되면서 헤드에 장착되어지게 됨으로 칫솔모의 교체가 가능하여 경제적이며, 간단한 동작으로 견고하게 칫솔모를 헤드에 장착시킬 수 있어 제품의 신뢰성을 극대화할 수 있는 효과가 있다.As described above, the present invention forms an engaging portion in which a protruding piece is formed while forming an inclination angle on the head, and the bristles are mounted on the head as the bristles are rotated into the engaging part, thereby making it possible to replace the bristles. The brush head can be mounted on the head to maximize the reliability of the product.

이하, 첨부된 도면을 참조하여 본 발명의 일실시 예를 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 칫솔을 도시한 분리 사시도이며, 도 2는 본 발명에 따른 칫솔의 결합 사시도를 도시한 것이고, 도 3a 및 도 3b는 본 발명에 따른 칫솔모의 결합 전과 결합된 상태를 도시한 일부 절개 사시도이며, 도 4a 및 도 4b는 본 발명에 따른 칫솔모의 결합 전과 결합된 상태를 도시한 평면예시도이다.1 is an exploded perspective view showing a toothbrush according to the present invention, Figure 2 is a perspective view showing a coupling of the toothbrush according to the present invention, Figures 3a and 3b is a state combined with before the bristle of the bristle according to the present invention. 4 is a partially cutaway perspective view, and FIGS. 4A and 4B are planar views illustrating a state in which a bristle is coupled with a bristle in accordance with the present invention.

본 발명에 따른 칫솔(1)은 손잡이(2)와, 헤드(3)와, 칫솔모(4)로 구성되어진다.The toothbrush 1 according to the invention consists of a handle 2, a head 3, and a bristle 4.

상기 손잡이(2)는 사용자가 칫솔(1)을 손으로 잡을 수 있도록 일정 두께의 판형태로 길게 형성되어진다.The handle 2 is formed long in the form of a plate of a certain thickness so that the user can hold the toothbrush 1 by hand.

상기 헤드(3)는 손잡이(2)에 일체로 형성되어지며, 중앙에 상하를 관통하여 결합부(31)가 형성되어지고, 상기 결합부(31) 내벽면 좌,우측에는 돌출편(32)이 형성되어진다.The head 3 is integrally formed on the handle 2, the coupling portion 31 is formed through the upper and lower portions in the center, and the protruding pieces 32 on the left and right sides of the inner wall surface of the coupling portion 31. Is formed.

또한, 상기 돌출편(32)은 한쪽면에서부터 점차적으로 일정각을 이루면서 경사지게 형성되어지되 양쪽의 각 돌출편(32)은 경사각이 서로 반대 방향으로 형성되어지게 된다.In addition, the protrusion pieces 32 are formed to be inclined while gradually forming a predetermined angle from one side, but each of the protrusion pieces 32 is formed in opposite directions to each other.

상기 칫솔모(4)는 상단 중앙에 상기 헤드(3)의 결합부(31)에 결속되어지도록 결속편(41)이 형성되어지며, 상기 결속편(41) 상부 양측에 돌출편(32)을 따라 상,하로 슬라이딩되어지는 가이드돌기(42)가 형성되어진다.The bristle 4 has a binding piece 41 is formed to be coupled to the coupling portion 31 of the head 3 in the center of the upper end, along the protrusions 32 on both sides of the binding piece 41 upper portion; Guide protrusions 42 that slide up and down are formed.

또한, 상기 결속편(41)은 결합부(31)의 높이와 동일한 길이로 형성하여 헤드(3)의 하단부에 칫솔모(4)가 최대한 밀착되어지게 한다.In addition, the binding piece 41 is formed in the same length as the height of the coupling portion 31 so that the bristle 4 is in close contact with the lower end of the head (3).

본 발명에 따른 칫솔의 다른 일 예를 살펴보면, 첨부된 도면 도 5에 도시된 바와 같이 상기 헤드(3)에 치아와 차이 사이의 미세한 틈새에 끼어 있는 이물질이나 플러그를 제거할 수 있도록 브러쉬(5)가 탈,장착 가능하게 결합되어진다.Looking at another example of the toothbrush according to the present invention, as shown in Figure 5 attached to the brush (5) to remove the foreign matter or plugs in the fine gap between the teeth and the difference in the head (3) Is detachably combined.

이때, 상기 브러쉬(5)는 상단에 헤드(3)의 결합부(31)로 결속되어지도록 결속편(51)이 형성되어지며, 상기 결속편(51) 상부 양측에 돌출편(32)을 따라 상,하로 슬라이딩되어지는 가이드돌기(52)가 형성되어진다.At this time, the brush 5 is formed with a binding piece 51 to be coupled to the coupling portion 31 of the head 3 at the upper end, along the protruding piece 32 on both sides of the binding piece 51. Guide protrusions 52 that slide up and down are formed.

또한, 본 발명에 따른 칫솔의 또 다른 일 예를 살펴보면, 첨부된 도면 도 6에 도시된 바와 같이 상기 헤드(3)에 혓바닥에 끼어 있는 백태나 이물질 등을 제거할 수 있도록 플랙시블한 합성수지로 형성되어지는 이물질 제거날(6)이 탈,장착 가능하게 결합되어진다.In addition, referring to another example of the toothbrush according to the present invention, as shown in Figure 6 of the accompanying drawings, the head 3 is formed of a flexible synthetic resin so as to remove the white contaminants or foreign substances, etc. stuck to the tongue bottom The foreign matter removal blade 6 to be detachably combined.

이때, 상기 이물질 제거날(6)에는 헤드(3)의 결합부(31)에 결합되어지는 결속편(61)과, 상기 결속편(61)에 돌출편(32)을 따라 이물질 제거날(6)이 상,하로 슬라이딩 될 수 있도록 가이드돌기(62)가 형성되어진다.At this time, the debris removal blade 6 is coupled to the binding piece 61 coupled to the coupling portion 31 of the head 3, and the debris removal blade 6 along the protrusion piece 32 to the binding piece 61. ) Guide protrusions 62 are formed to be slid up and down.

상기와 같은 구성으로 이루어진 본 발명에 따른 작용효과를 살펴보면 아래와 같다.Looking at the effect of the present invention made of the configuration as described above are as follows.

먼저, 상기 헤드(3)에 칫솔모(4)를 장착시키고자 할 때에는 첨부된 도면 도 3a 및 도 4a에 도시된 바와 같이 상기 헤드(3) 하단부에 칫솔모(4)를 대각선상으로 엇갈리게 위치시킨 상태에서 상기 칫솔모(4)의 결속편(41)을 헤드(3)의 결합부(31)내로 삽입시키게 된다.First, when the bristle 4 is mounted on the head 3, the bristles 4 are diagonally staggered at the lower end of the head 3, as shown in FIGS. 3A and 4A. In the binding piece 41 of the bristle 4 is inserted into the engaging portion 31 of the head (3).

이후, 상기 칫솔모(4)를 일방향으로 돌리게 되면 상기 가이드돌기(42)가 경사지게 형성되어 있는 돌출편(32)을 따라 회전하게 되는 것이다.Then, when the bristle 4 is turned in one direction, the guide protrusion 42 is rotated along the protruding piece 32 which is formed to be inclined.

이때, 상기 가이드돌기(42)가 회전하면서 상방향으로 상승하게 됨으로 가이드돌기(42)의 회전 방향으로 칫솔모(4)도 회전하게 되는 것이다.At this time, as the guide protrusion 42 is rotated to rise in the upward direction, the bristles 4 are also rotated in the direction of rotation of the guide protrusion 42.

이와 함께, 상기 가이드돌기(42)가 돌출편(32) 최상단면에 위치하게 되면 상기 칫솔모(4)가 헤드(3) 하단면에 밀착되어짐과 아울러 상기 칫솔모(4)가 헤드(3)와 나란히 동일선상에 위치되어지게 되는 것이다.In addition, when the guide protrusion 42 is located at the top end of the protruding piece 32, the bristle 4 is in close contact with the lower surface of the head 3, and the bristle 4 is parallel to the head 3. It will be located on the same line.

따라서, 상기 헤드(3)에 칫솔모(4)를 간단한 회전 방식으로 결합시켜 편리하게 칫솔(1)을 사용할 수 있게 되는 것이다.Therefore, the bristle 4 is coupled to the head 3 in a simple rotational manner so that the toothbrush 1 can be conveniently used.

또한, 상기 헤드(3) 하단부에 칫솔모(4)가 최대한 밀착되면서 결합되어지게 되어 안정성은 물론 헤드(3)와 칫솔모(4) 사이에 치약이나 이물질이 유입되지 않아 위생적인 것이다.In addition, the bristle (4) is coupled to the lower end of the head (3) as close as possible is coupled to the hygiene as well as stability, as well as no toothpaste or foreign matter between the head (3) and the bristle (4).

이와 반대로 상기 헤드(3)로부터 칫솔모(4)를 교체하기 위해 칫솔모(4)를 빼내기 위해서는 상기 헤드(3)에 칫솔모(4)를 결합하고자 할 때의 반대방향으로 칫솔모(4)를 돌리게 되면 상기 가이드돌기(42)가 돌출편(32)의 경사각을 따라 슬라이딩되면서 하방향으로 회전되어지게 되는 것이다.On the contrary, if the bristle 4 is turned in the opposite direction when the bristle 4 is to be coupled to the head 3 to remove the bristle 4 to replace the bristle 4 from the head 3, The guide protrusion 42 is rotated downward while sliding along the inclination angle of the protruding piece 32.

이와 같이, 상기 가이드돌기(42)가 회전되면서 하부로 내려옴에 따라 상기 칫솔모(4)도 함께 회전되면서 하방향으로 내려오게 되는 것이다.As such, as the guide protrusion 42 is rotated and descends downward, the bristle 4 is also rotated and descends downward.

그리하여, 상기 칫솔모(4)가 헤드(3)와 대각선상으로 엇갈리게 형성되어지게 되며, 이에 상기 가이드돌기(42)가 돌출편(32)으로부터 벗어나게 되어 상기 결속편(41)이 결합부(31)에서 하부로 빠지게 되는 것이다.Thus, the bristles 4 are diagonally staggered from the head 3, so that the guide protrusions 42 deviate from the protruding pieces 32 such that the binding piece 41 is coupled to the coupling part 31. Will fall from the bottom.

따라서, 상기 헤드(3)에 칫솔모(4)를 회전 방식으로 간편하게 탈,장착시켜 교체할 수 있으므로 사용자에게 편리함을 줄 수 있는 것이다.Therefore, the bristle 4 on the head 3 can be easily removed and replaced in a rotating manner, thereby providing convenience to the user.

본 발명은 상술한 특정의 바람직한 실시 예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

도 1은 본 발명에 따른 칫솔을 도시한 분리 사시도.1 is an exploded perspective view showing a toothbrush according to the present invention.

도 2는 본 발명에 따른 칫솔의 결합 사시도.Figure 2 is a perspective view of the coupling of the toothbrush in accordance with the present invention.

도 3a는 본 발명에 따른 칫솔모의 결합 전 상태를 도시한 일부 절개 사시도.Figure 3a is a partially cut perspective view showing a state before coupling of the bristles according to the present invention.

도 3b는 본 발명에 따른 칫솔모가 결합된 상태를 도시한 일부 절개 사시도.Figure 3b is a partially cut perspective view showing a state in which the bristle is coupled in accordance with the present invention.

도 4a는 본 발명에 따른 칫솔모의 결합 전 상태를 도시한 평면예시도.Figure 4a is a plan view showing a state before coupling of the bristles in accordance with the present invention.

도 4b는 본 발명에 따른 칫솔모의 결합 상태를 도시한 평면예시도.Figure 4b is a plan view showing a coupling state of the bristle in accordance with the present invention.

도 5는 본 발명에 따른 칫솔의 다른 일 예를 도시한 사시도.5 is a perspective view showing another example of a toothbrush according to the present invention.

도 6은 본 발명에 따른 칫솔의 또 다른 일 예를 도시한 사시도.Figure 6 is a perspective view showing another example of a toothbrush according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1 : 칫솔 2 : 손잡이1: toothbrush 2: handle

3 : 헤드 4 : 칫솔모3: head 4: brush head

5 : 브러쉬 6 : 이물질 제거날5: brush 6: foreign material removal blade

31 : 결합부 32 : 돌출편31: engaging portion 32: protrusion

41 : 결속편 42 : 가이드돌기41: binding piece 42: guide protrusion

Claims (4)

손잡이에 일체로 형성되어지며, 중앙에 상하를 관통하여 결합부가 형성되어지고, 상기 결합부 내벽면 좌,우측에는 돌출편이 형성되어진 헤드와;A head which is formed integrally with the handle and has a coupling part formed at a center thereof through a top and bottom, and a protrusion piece is formed at the left and right sides of the inner wall of the coupling part; 상기 헤드의 결합부에 결속되어지도록 상단 중앙에 결속편이 형성되어지며, 상기 결속편 상부 양측에 돌출편을 따라 상,하로 슬라이딩되어지는 가이드돌기가 형성되어진 칫솔모;A bristle is formed in the center of the upper end to be coupled to the coupling portion of the head, the bristle is formed with guide protrusions that slide up and down along the protruding piece on both sides of the binding piece; 로 구성되어짐을 특징으로 하는 칫솔모 교체가 가능한 칫솔.Toothbrush replaceable toothbrush, characterized in that consisting of. 제 1 항에 있어서,The method of claim 1, 상기 돌출편은 한쪽면에서부터 점차적으로 일정각을 이루면서 경사지게 형성되어지되 양쪽의 각 돌출편은 경사각이 서로 반대 방향으로 형성되어짐을 특징으로 하는 칫솔모 교체가 가능한 칫솔.The protruding piece is formed to be inclined gradually forming a predetermined angle from one side, each of the protruding pieces of the toothbrush, characterized in that the inclined angle is formed in the opposite direction to each other. 제 1 항에 있어서,The method of claim 1, 상기 헤드에는 치아와 치아 사이의 미세한 틈새에 끼어 있는 이물질이나 플러그를 제거할 수 있도록 브러쉬가 탈,장착 가능하게 결합되어짐을 특징으로 하는 칫솔모 교체가 가능한 칫솔.The head brush is a toothbrush replaceable toothbrush, characterized in that the brush is detachably coupled to remove, so as to remove the foreign matter or plugs in the fine gap between the tooth and the tooth. 제 1 항에 있어서,The method of claim 1, 상기 헤드에는 혓바닥에 끼어 있는 백태나 이물질을 제거할 수 있도록 플랙시블한 합성수지의 이물질 제거날이 탈,장착 가능하게 결합되어짐을 특징으로 하는 칫솔모 교체가 가능한 칫솔.The head brush is a toothbrush replaceable toothbrush, characterized in that the debris removal blade of the flexible synthetic resin is detachably coupled to remove the white contaminants or foreign matter stuck to the tongue.
KR1020080031850A 2008-04-04 2008-04-04 The toothbrush where the toothbrush wool shift is possible KR101217895B1 (en)

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Publication number Priority date Publication date Assignee Title
KR102349903B1 (en) * 2021-01-07 2022-01-10 김도연 Electric sanitary apparatus

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KR200490660Y1 (en) 2018-10-30 2019-12-19 박연희 Tip replacement toothbrush
KR102203165B1 (en) 2020-02-20 2021-01-14 한정훈 Oral sponge brush
KR20220104323A (en) 2021-01-18 2022-07-26 김재찬 being eco-friendly toothbrush
KR20220107346A (en) 2021-01-25 2022-08-02 김재찬 being eco-friendly toothbrush

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KR200179688Y1 (en) * 1999-11-30 2000-04-15 장지일 Interdental brush
JP2003199622A (en) * 2002-01-08 2003-07-15 Hirotsugu Tsuji Removable toothbrush
JP2006075574A (en) * 2004-09-13 2006-03-23 Harumi Saito Rotary toothbrush with detachable brush head

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102349903B1 (en) * 2021-01-07 2022-01-10 김도연 Electric sanitary apparatus

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