KR101892102B1 - toothbrush in which brush hair can be transformed - Google Patents

toothbrush in which brush hair can be transformed Download PDF

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Publication number
KR101892102B1
KR101892102B1 KR1020160112134A KR20160112134A KR101892102B1 KR 101892102 B1 KR101892102 B1 KR 101892102B1 KR 1020160112134 A KR1020160112134 A KR 1020160112134A KR 20160112134 A KR20160112134 A KR 20160112134A KR 101892102 B1 KR101892102 B1 KR 101892102B1
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KR
South Korea
Prior art keywords
block
bristle
column direction
planting
moving plate
Prior art date
Application number
KR1020160112134A
Other languages
Korean (ko)
Other versions
KR20180025515A (en
Inventor
임재관
조병훈
한민덕
김준민
이성만
Original Assignee
서울대학교치과병원
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.)
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Publication date
Application filed by 서울대학교치과병원 filed Critical 서울대학교치과병원
Priority to KR1020160112134A priority Critical patent/KR101892102B1/en
Priority to PCT/KR2017/009539 priority patent/WO2018044093A1/en
Publication of KR20180025515A publication Critical patent/KR20180025515A/en
Application granted granted Critical
Publication of KR101892102B1 publication Critical patent/KR101892102B1/en

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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0033—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions bending or stretching or collapsing
    • A46B5/0045—Brushes articulated with more than one hinge
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0054—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body
    • A46B5/0058—Mechanical joint or hinge made up of several components
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand
    • A46B5/025—Grips or handles specially adapted for handicapped persons
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand
    • A46B5/028—Handles featuring an adjustable thumbrest
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Brushes (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toothbrush capable of deforming a bristle, and more particularly, to a toothbrush capable of deforming a shape of a bristle into a more efficient model according to a cleaning part.
The present invention has the advantage of effectively cleaning both the front and back sides of a toothbrush according to the application by deforming the toothbrush formed into a straight shape into an "X" shape.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a toothbrush,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toothbrush capable of deforming a bristle, and more particularly, to a toothbrush capable of deforming a shape of a bristle into a more efficient model according to a cleaning part.

The oral cavity is the starting point of the digestive organs. It uses teeth and tongue to serve food, chews and mixes with saliva. It is very important to manage cleanliness after ingesting food.

When food is consumed, food waste remains between the teeth, which makes it a good environment for bacteria to reproduce. So, toothbrush is used to remove toothbrushes.

A toothbrush is a structure composed of a handle and a toothbrush head in which bristles are implanted, and is used to clean teeth and gums with toothpaste on the bristles. The toothbrush has a more effective cleaning site depending on the shape of the bristles. In the case of the common straight type, the bristles of the "X" shape which are more advantageous for cleaning the front teeth and overlapping each other are more advantageous for cleaning the inside (molar).

However, in the conventional toothbrush, two bristles have to be provided for effectively cleaning the front and back sides, and there is an economical and time-consuming inconvenience in writing alternately.

Application for Utility Model Registration No. 20-2003-0018659 Utility model registration application No. 20-1997-022309 Patent Application No. 10-2005-0111818

The present invention is intended to provide a toothbrush capable of effectively cleaning both the front and back sides by deforming the shape of the bristles planted in one toothbrush.

In particular, the present invention aims to provide a toothbrush that is capable of effectively cleaning both the front teeth and the back of the toothbrush by deforming the straight toothbrush into an 'X' shape.

A toothbrush body (10) comprising two or more rows of bristle groups (B); (21H) corresponding to at least one row of bristles (B) are formed so that at least one row of the bristles (B) adjacent to each other in the row direction is inserted, A bristle moving plate (20) mounted so as to be able to rotate; The bristle moving plate 20 is formed on the toothbrush body 10 to guide the movement of the bristle moving plate 20 in the column direction and to move the bristle moving plate 20 in the column direction, (30); The present invention relates to a toothbrush capable of deforming a bristle.

In the present invention, the bristle moving plate 20 includes a first moving plate 21 on which a row of the insertion holes 21H are formed, a fastening protrusion 23P and a fastening groove, And a second moving plate (23) extending from the first moving plate (21) toward the handle portion of the toothbrush body (10), and the moving plate engaging portion (30) And a moving plate fastening block 31 or 33 formed with a fastening groove 31H or a fastening protrusion corresponding to the fastening groove 21P or the fastening groove and fitted with the second moving plate 23 and moving in the column direction.

The first bristle material block 121 is rotatably mounted on the toothbrush body 110 in the row direction. The first bristle material block 121 is rotatably mounted on the toothbrush body 110, ; The first rotary protrusion 121P rotates in the row direction when the toothbrush body 110 is moved in the column direction so that the first bristle-shaped food block 121 rotates in the row direction, A bristle moving plate 130 formed with a first rotation groove 130H1 to be inserted and guided and mounted on the toothbrush body 110 so as to be movable in a column direction; The present invention relates to a toothbrush capable of deforming a bristle.

In the present invention, a group of bristles (B) is arranged in a column direction, a second rotation protrusion (123P) is protruded and formed on the toothbrush body (110) so as to be rotatable in the row direction, 121) adjacent to each other in the row direction; Wherein when the bristle moving plate 130 moves in the column direction, the second rotation protrusion 123P rotates in a direction opposite to the first rotation protrusion 121P, The second rotary groove 130H2 may be formed such that the second rotary protrusion 123P is inserted and guided so that the bristle material block 123 rotates in the direction opposite to the second bristle molding block 121. [

Meanwhile, the present invention includes a group of planting blocks 210 including at least two planting blocks 211 that are bristle group B and are rotatably connected to each other in a column direction by a hinge 213; The planting blocks 211 connected to each other by the at least one hinge 213 are connected to the planting blocks 211 located at the furthest end in the column direction of the planting block groups 210 so as to be rotatable in a column direction, A toothbrush body (220) having a hinge guider (221H) for guiding at least one hinge part (213) in a column direction so as to be rotatable to form a concave part; A bristle moving block 230 (hereinafter, referred to as " bristle moving block ") 230 mounted to the toothbrush body 220 so as to be movable in a column direction is rotatably connected to the planting block 211 located at the rear- ); A moving block fastening part 240 formed on the toothbrush body 220 to guide the movement of the bristle moving block 230 and to be fastened to the bristle moving block 230 according to the movement of the bristle moving block 230, ; The present invention relates to a toothbrush capable of deforming a bristle.

In the present invention, the toothbrush body 220 is provided with a first plant block guide groove 223H which is lifted and guided by the distal end of the planting block 211 located at the foremost end in the row direction, 230) is formed with a second planting block guide groove (230H) in which the rear end of the planting block (211) located at the rear end in the column direction is lifted and guided, A first planting block rotation protrusion 211P1 guided and rotated by the first planting block guide groove 223H is protruded and formed on the rear end of the planting block 211 located at the rear end in the column direction, A second planting block rotary protrusion 211P2 which is guided and rotated by the block guide groove 230H is protruded and at least one of the hinges 213 is provided with a hinge protrusion 213P are protruded .

The present invention has the advantage of effectively cleaning both the front and back sides of a toothbrush according to the application by deforming the toothbrush formed into a straight shape into an "X" shape.

Fig. 1 is a perspective view of Embodiment 1
2 is a perspective view of the bristle moving plate of the first embodiment;
3 is a perspective view of the moving plate engaging portion of the first embodiment.
4 is a graph showing the operation of the first embodiment
5 is a schematic sectional view in the column direction of Embodiment 2
6 is a perspective view of the first bristle fitting block and the second bristle fitting block of the second embodiment
7 is a perspective view of the bristle moving plate according to the second embodiment.
8 is a cross-sectional view of AA 'and BB'
Fig. 9 is a sectional view for explaining the state of the first and second bristle fitting blocks according to the movement of the bristle moving plate;
10 is an operational diagram of Embodiment 2
11 is a perspective view of Embodiment 3
12 is a schematic perspective view of the toothbrush body of the third embodiment
13 is a perspective view of the planting block group of Example 3
14 is a side view of Fig. 13
15 is a perspective view of the bristle moving block according to the third embodiment.
16 is a diagram showing the operation of the third embodiment

The following detailed description is merely an example, and is merely an example of the present invention. Further, the principles and concepts of the present invention are provided for the purpose of being most useful and readily explaining.

Accordingly, it is not intended to provide a more detailed structure than is necessary for a basic understanding of the present invention, but it should be understood by those skilled in the art that various forms that can be practiced in the present invention are illustrated in the drawings.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

Fig. 1 is a perspective view of the first embodiment, Fig. 2 is a perspective view of the bristle moving plate of the first embodiment, Fig. 3 is a perspective view of the moving plate fastening portion of the first embodiment, 6 is a perspective view of the first bristle fitting block and the second bristle fitting block of the second embodiment, Fig. 7 is a perspective view of the bristle moving plate of the second embodiment, Fig. 8 is a perspective view of the bristle moving plate of the second embodiment, 9 is a cross-sectional view for explaining the states of the first and second bristle fitting blocks according to the movement of the bristle moving plate, and Fig. 10 is an operational view of the second embodiment Fig. 11 is a perspective view of the third embodiment, Fig. 12 is a schematic perspective view of the toothbrush body of the third embodiment, Fig. 13 is a perspective view of the planting block group of the third embodiment, Fig. 14 is a side view of Fig. 16 is a perspective view of the bristle moving block of the third embodiment.

Example 1

Referring to Fig. 1, the first embodiment includes a toothbrush body 10, a bristle moving plate 20, and a moving plate fastening part 30. As shown in Fig.

Referring to FIG. 1, the toothbrush body 10 is provided with bristles. A plurality of bristles constitute one group (a group) and are planted in a head portion (not designated by reference numerals) of the toothbrush body 10. [ In the present invention, a plurality of bristles constituting one group (bunch) is referred to as a bristle group (B).

Referring to FIG. 1, three rows of bristles B are planted on the toothbrush body 10, and two or more rows can be planted. Here, 'heat' refers to a line extending in the longitudinal direction to the longitudinal direction of the toothbrush body 10.

Referring to FIGS. 1 and 2, the bristle moving plate 20 includes a first moving plate 21 and a second moving plate 23.

Referring to FIGS. 1 and 2, the first moving plate 21 is formed with an insertion hole 21H in which at least one row of bristles B not adjacent to each other in the row direction is inserted. Therefore, the insertion hole 21H is formed so as to correspond to at least one row of bristles B that are not adjacent in the row direction. Here, 'row' refers to a line extending in the lateral direction to the width direction of the toothbrush body 10. When the bristle group B of three rows is formed on the toothbrush body 10, the first moving plate 21 is provided with the insertion holes 21H in which the bristles group B of the first row and the bristles group B of the third row are inserted, . The bristle group B in the second row protrudes between the first moving plates 21 formed in the "U" shape. That is, the first row of bristles B and the third row of bristles B, which are not adjacent to each other, can be fitted into the insertion holes 21H.

Referring to FIGS. 1 and 2, the second moving plate 23 extends from the first moving plate 21 in the direction of the handle of the toothbrush body 10. On the side surface of the second moving plate 23, a fastening protrusion 23P and a fastening groove are formed.

Referring to FIGS. 1 and 4, the bristle moving plate 20 is mounted on the toothbrush body 10 so as to be movable in a column direction.

Referring to FIGS. 1 and 4, the toothbrush body 10 is provided with a moving plate fastening part 30 for guiding the movement of the bristle moving plate 20 in the column direction.

Referring to FIG. 3, the moving plate fastening portion 30 (see FIG. 1) includes two first moving plate fastening blocks 31 spaced from each other in the row direction and installed in the column direction, two first moving plate fastening blocks 31 of the first moving plate 31 and the second moving plate 31. As shown in FIG. The second moving plate 23 is inserted and slid between the first moving plate engaging block 31 and the first moving plate engaging block 31. The first moving plate fastening block 31 is formed with a fastening protrusion 23H or a fastening groove 31H to be fastened to the fastening protrusion 23P of the second moving plate 23 or the fastening groove. The fastening protrusion 23P of the second moving plate 23 is fastened to the fastening groove 31H formed in the first moving plate fastening block 31 in accordance with the movement of the second moving plate 23 in the column direction. The bristles B of the first row and the third row bent by the movement of the bristle moving plate 20 in the column direction maintain a certain angle with the bristles B of the second row neighboring in the row direction.

Example 2

Referring to FIGS. 5 and 9, the second embodiment includes a toothbrush body 110, a first bristle material block 121, a second bristle material block 123, and a bristle moving plate 130.

Referring to FIG. 6, the first bristle plate 121 may be formed in a bar shape. In the first bristle molding block 121, the bristle groups B are arranged in the column direction. A first rotation protrusion 121P (see FIG. 9) protrudes from the lower surface of the first bristle molding material block 121.

Referring to FIGS. 5, 6, and 10, the first bristle fitting block 121 is rotatably mounted to the toothbrush body 110 in the row direction through a rotation shaft (not shown) formed at the end in the column direction.

Referring to FIGS. 6 and 9, the second bristle fitting block 123 is installed adjacent to the first bristle fitting block 121 in the row direction. The second bristle molding material block 123 may be formed in the same manner as the first bristle molding block 121. Therefore, the bristle group B is arranged in the column direction on the second bristle molding block 123, and the second rotation protrusion 123P (see FIG. 9) is protruded on the lower surface of the second bristle molding block 123. The second bristle molding block 123 is rotatably mounted on the toothbrush body 110 in the row direction through a rotary shaft (not shown) formed at the end in the column direction.

Referring to FIGS. 5 and 10, the bristle moving plate 130 is movably mounted to the toothbrush body 110 in the column direction.

Referring to FIGS. 7 and 8, the first rotating groove 130H1 and the second rotating groove 130H2 are formed on the bristle moving plate 130. As shown in FIG. Referring to FIG. 9, the first rotation groove 130H1 is a groove in which the first rotation projection 121P is inserted and guided, and the second rotation groove 130H2 is a groove in which the second rotation projection 123P is inserted and guided.

Referring to FIGS. 7 and 8, the first rotation groove 130H1 and the second rotation groove 130H2 are formed in a roughly column direction and spaced apart in the row direction. Referring to FIG. 9, when the bristle moving plate 130 moves in the column direction with respect to the toothbrush body 110, the first rotation groove 130H1 rotates in the row direction as the first rotation protrusion 121P rotates in the row direction, The bristle molding material block 121 is formed to rotate in the row direction. Referring to FIG. 9, when the bristle moving plate 130 moves in the column direction with respect to the toothbrush body 110, the second rotation groove 130H2 moves the second rotation protrusion 123P toward the first rotation protrusion 121P The second bristle-shaped food block 123 is formed to rotate in a direction opposite to that of the second bristle-shaped food block 121.

Referring to FIG. 7, the first rotary groove 130H1 is formed in a straight shape along the column direction from the best end to the inner first point of the bristle moving plate 130, and from the first point to the inner second point, And may be formed in a straight shape along the column direction from the second point to the inner third point. 9A, the cross-section of the first rotation groove 130H1 may be formed to have a rightward inclined shape between the first end of the bristle moving plate 130 and the first point. 9 (b), the cross section of the first rotation groove 130H1 may be formed to have a straight line in the vertical direction between the second point and the third point. Or may be formed to have a shape gradually tilted to the right from the third point toward the forefront of the bristle moving plate 130. Referring to FIGS. 9A and 9B, the second rotation groove 130H2 may be formed to be laterally symmetrical with the first rotation groove 130H1.

Referring to FIGS. 5 and 10, a pressing block 130P may be formed on the bristle moving plate 130. FIG. The pressing block 130P is formed to protrude outward when the bristle moving plate 130 is installed on the toothbrush body 110. [ The user moves the bristle moving plate 130 in the column direction by applying a force to the pressing block 130P so that the first bristle molding block 121 and the second bristle molding block 123 rotate in the row direction, (B) overlap each other and form an 'X' shape on the cross section.

 Although not shown in the drawing, in the second embodiment, a fastening part for fastening the pressure block 130P to the toothbrush body 110 may be formed similarly to the first embodiment.

Example 3

Referring to FIG. 11, the third embodiment includes a group of planting blocks 210, a toothbrush body 220, a bristle moving block 230, and a moving block fastening part 240.

11 and 13, the group of plant blocks 210 includes at least two plant blocks 211. Each of the plant blocks 211 is rotatably connected to each other in the column direction by the planting block 211 and the hinge 213 adjacent to each other in the column direction. Even numbered dogs may be connected to each other adjacent to each other. The bristle groups B can be planted in the row direction in each of the plant blocks 211.

Referring to FIGS. 13 and 14, a first plant block rotation protrusion 211P1 protrudes along the column direction at the tip of the planting block 211 located at the outermost row in the planting block 211. The first plant block rotation protrusion 211P1 is for guiding and rotating the planting block 211 located at the foremost end in the column direction to the first planting block guide groove 223H (see FIG. 12) described later.

13 and 14, at the rear end of the planting block 211 located at the rearmost row in the column direction among the planting blocks 211, a second planting block rotary protrusion 211P2 is protruded along the column direction. The second plant block rotation protrusion 211P2 is for guiding and rotating the planting block 211 located at the rearmost end in the column direction to the second planting block guide groove 230H (see FIG. 15) described later.

12 and 16, the toothbrush body 220 includes a first toothbrush body 221 and a second toothbrush body 223. The second toothbrush body 223 is formed at the distal end of the first toothbrush body 221.

12 and 16, a first plant block guide groove 223H is formed in the second toothbrush body 223. The first plant block rotation protrusion 211P1 is connected to the first plant block guide groove 223H so as to be guided in the vertical direction. Accordingly, the distal end of the planting block 211 located at the forefront of the column direction can be lifted and rotated.

Referring to FIGS. 12 and 16, the first toothbrush body 221 is formed with a hinge guider 221H. The hinge part guide 221H is for guiding at least one hinge part 213 which is not at least mutually adjacent among the hinge parts 213 in the column direction. Accordingly, the hinged part 213 guided along the hinge guider 221H rotates mutually with each other to form a concave part.

12 and 16, the hinge guider 221H may be a straight groove formed in the first toothbrush body 221 along the column direction.

14 and 16, at least one hinge part 213 (see FIG. 13) at least not adjacent to each other among the hinge parts 213 is provided with a hinge protrusion 213P which is inserted in the hinge guider 221H and guided in the column direction , See Fig. 14).

Referring to FIG. 16, the bristle motion block 230 is installed on the toothbrush body 220 so as to be movable in the column direction. Referring to FIG. 15, a second planting block guide groove 230H is formed at the distal end of the bristle moving block 230. The second planting block rotation protrusion 211P2 is connected to the second planting block guide groove 230H so as to be movable in the vertical direction. Accordingly, the planting block 211 located at the rearmost row in the column direction among the planting blocks 210 can be rotated in the column direction and lifted up and down.

Referring to FIG. 12, a moving block fastening part 240 is formed on the toothbrush body 220. The moving block fastening part 240 guides the movement of the bristle moving block 230 in the column direction and is fastened to the bristle moving block 230 in accordance with the movement of the bristle moving block 230 to fix the bristle moving block 230 .

12, the moving block coupling part 240 includes a second moving block coupling part 243 connecting two first moving block coupling parts 241 and two first moving block coupling parts 241 can do. The two first moving block fastening portions 241 are formed such that the bristle moving block 230 is sandwiched therebetween and can slide in the column direction. The first moving block fastening part 241 may have a fastening groove 241H. Referring to FIG. 15, the bristle moving block 230 may be provided with a fastening protrusion 230P to be fastened to the fastening groove 241H in accordance with the movement of the bristle moving block 230.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, I will understand.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the scope of the appended claims, as well as the appended claims.

10: toothbrush body 20: bristle moving plate
21: first moving plate 21H: insertion hole
23: second moving plate 23P: fastening projection
30: moving plate fastening part 31, 33: moving plate fastening block
31H: fastening groove
110: toothbrush body 121: first bristle material block
121P: first rotating projection 123: second bristle molding material block
123P: second rotating projection 130: bristle moving plate
130H1: first rotation groove 130H2: second rotation groove
210: plant block group 211: plant block
220: toothbrush body 213:
221H: hinge part guide 230: bristle moving block
240: moving block fastening part 223H: first planting block guide groove
230H: second planting block guide groove 211P1: first planting block rotating projection
211P2: second planting block rotation protrusion 213P: hinge protrusion

Claims (6)

A group of planting blocks 210 including at least two planting blocks 211 planted with bristle groups B and rotatably connected to each other in the column direction by hinges 213;
The planting blocks 211 connected to one another by the at least one hinge 213 are connected to the planting blocks 211 located at the outermost end in the column direction of the planting block groups 210 so as to be rotatable in the column direction, A toothbrush body (220) having a hinge guider (221H) for guiding at least one hinge part (213) in a column direction so as to be rotatable to form a concave part;
A bristle moving block 230 (hereinafter, referred to as " bristle moving block ") 230 mounted to the toothbrush body 220 so as to be movable in a column direction is rotatably connected to the planting block 211 located at the rear- ); And
A moving block fastening part 240 formed on the toothbrush body 220 to guide the movement of the bristle moving block 230 and to be fastened to the bristle moving block 230 according to the movement of the bristle moving block 230, Wherein the toothbrush is capable of deforming the bristles. The method according to claim 1,
The toothbrush body 220 is provided with a first plant block guide groove 223H which is guided by the tip of the planting block 211 located at the foremost end in the column direction,
The bristle moving block 230 is provided with a second plant block guide groove 230H which is raised and guided by the rear end of the planting block 211 located at the rear end in the column direction,
A first plant block rotation protrusion 211P1 protruding from the first plant block guide groove 223H and rotating is formed at the tip end of the plant block 211 located at the foremost end in the column direction,
A second plant block rotation protrusion 211P2 protruding from the second planting block guide groove 230H is formed at the rear end of the planting block 211 located at the rear end in the column direction,
Wherein at least one of the hinges (213) is formed with a hinge protrusion (213P) protruding from the hinge protrusion (213P) by being guided by the hinge guider (221H). delete delete delete delete
KR1020160112134A 2016-08-31 2016-08-31 toothbrush in which brush hair can be transformed KR101892102B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020160112134A KR101892102B1 (en) 2016-08-31 2016-08-31 toothbrush in which brush hair can be transformed
PCT/KR2017/009539 WO2018044093A1 (en) 2016-08-31 2017-08-31 Toothbrush having changeable bristles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160112134A KR101892102B1 (en) 2016-08-31 2016-08-31 toothbrush in which brush hair can be transformed

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KR20180025515A KR20180025515A (en) 2018-03-09
KR101892102B1 true KR101892102B1 (en) 2018-10-05

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WO (1) WO2018044093A1 (en)

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Publication number Priority date Publication date Assignee Title
CN109198864B (en) * 2018-10-19 2020-06-23 张晨晨 Medical care toothbrush based on force detection and working method thereof
CN113892750A (en) * 2021-10-25 2022-01-07 扬州三峰刷业有限公司 Toothbrush convenient to change brush head
KR102649795B1 (en) 2021-11-10 2024-03-20 동의대학교 산학협력단 A multi brush that can optionally use 2 or 4 strings

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Publication number Priority date Publication date Assignee Title
KR200195362Y1 (en) 2000-03-24 2000-09-01 박효문 A toothbrush having a pilus section which is spreaded

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Publication number Priority date Publication date Assignee Title
JPS6285222U (en) * 1985-11-19 1987-05-30
IL109622A (en) * 1994-05-11 1998-06-15 Amir Ganei Yehudayehuda And Ad Toothbrushes
WO2011073912A2 (en) * 2009-12-15 2011-06-23 Braun Gmbh Brush section for an electric toothbrush
KR200477882Y1 (en) * 2014-07-10 2015-08-03 이근재 Electric toothbrush

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KR200195362Y1 (en) 2000-03-24 2000-09-01 박효문 A toothbrush having a pilus section which is spreaded

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