JP6607849B2 - toothbrush - Google Patents

Description

The present invention relates to a toothbrush used by infants and used by adults to finish brushing their infants.
This application claims priority based on Japanese Patent Application No. 2014-104915 for which it applied to Japan on May 21, 2014, and uses the content here.

  Conventional child toothbrushes are simply miniaturized adult toothbrushes. Therefore, it is possible for infants to experience the feeling of brushing their teeth, but it is difficult for an adult to brush the teeth of the infant by finely brushing the target teeth simply by operating the handle when finishing the teeth of the infant. Met.

Infants have small teeth and the surrounding gingiva is easily damaged. For this reason, when an adult finishes brushing an infant's teeth, a finger may be pressed against the other surface of the head portion located on the opposite side of the surface on which the brush portion is provided to steadily wipe the target site. desirable.
As described above, there are a toothbrush disclosed in Patent Document 1 and a portable toothbrush disclosed in Patent Document 2 as toothbrushes capable of pressing a finger against the other surface of the head portion and brushing teeth.

Patent Document 1 discloses a toothbrush that includes a brush portion in which a large number of hairs are planted on the front surface of a flocking plate, and a telescopic finger sack provided on the back surface of the flocking plate.
Patent Document 2 discloses a simple toothbrush comprising a brush body for brushing teeth, a substrate on which the brush body is implanted, and two holding pieces provided above the substrate. There is disclosed a portable toothbrush (hereinafter simply referred to as “toothbrush”) in which pieces are formed so as to face each other and a toothbrush can be attached to a finger inserted between holding pieces.

JP-A-9-65930 JP 2000-197522 A

However, the toothbrushes disclosed in Patent Documents 1 and 2 are not toothbrushes intended for use by infants. In addition, since the toothbrushes disclosed in Patent Documents 1 and 2 do not have a handle body, infants cannot experience the feeling of brushing their teeth.
In addition, since infants have not yet developed hand movements, it is difficult to use the toothbrushes disclosed in Patent Documents 1 and 2.

  The present invention has been made in view of the above problems, and can be used by infants, and when an adult finishes brushing an infant's tooth, it is possible to finely brush the target teeth of the infant. An object is to provide a toothbrush.

  In order to solve the above-described problem, a toothbrush according to one aspect of the present invention includes a head portion and a handle portion, a handle body extending in a first direction, and a brush portion implanted on one surface of the head portion. And a first anti-slip portion disposed on the other surface side of the head portion, and a second anti-slip portion disposed on the handle portion and against which a finger holding the handle portion abuts. It is characterized by that.

  Moreover, the toothbrush which concerns on 1 aspect of the said invention WHEREIN: You may arrange | position two said 2nd slip prevention parts in the 2nd direction which cross | intersects with respect to the said 1st direction.

  Moreover, the toothbrush which concerns on the one aspect | mode of the said invention WHEREIN: A said 1st slip prevention part may contain either one of a recessed part or a convex part.

  Moreover, the toothbrush which concerns on 1 aspect of the said invention WHEREIN: A said 2nd anti-slip | skid part may include at least one of a recessed part or a convex part.

  Further, in the toothbrush according to the aspect of the present invention, a base material of a portion of the handle body corresponding to a formation region of the first and second anti-slip portions is made of a hard resin, Either one of the anti-slip part 1 or the second anti-slip part may include a soft resin layer that covers the base material and is made of a soft resin softer than the hard resin.

  Moreover, the toothbrush which concerns on 1 aspect of the said invention WHEREIN: You may arrange | position two or more said 1st and 2nd slip prevention parts in the said 1st direction.

  In the toothbrush according to the aspect of the present invention, the handle body includes a neck portion having one end connected to the head portion and the other end connected to the handle portion, and the first slip prevention portion is The head portion and the neck portion may be disposed on at least one of the head portion and the neck portion.

  Moreover, the toothbrush which concerns on the one aspect | mode of the said invention WHEREIN: A said 2nd slip prevention part may be arrange | positioned in at least one among the said handle | steering-wheel part and the said neck part.

  According to the toothbrush of the present invention, an infant can be used, and when an adult finishes brushing an infant's tooth, the brush portion can be finely applied to the target tooth of the infant.

It is a side view of the toothbrush which concerns on the 1st Embodiment of this invention. It is a rear view of the toothbrush which concerns on the 1st Embodiment of this invention. It is a side view of the toothbrush which concerns on the 2nd Embodiment of this invention. It is a rear view of the toothbrush which concerns on the 2nd Embodiment of this invention. It is a side view of the toothbrush which concerns on the 3rd Embodiment of this invention. It is a rear view of the toothbrush which concerns on the 3rd Embodiment of this invention. It is a side view of the toothbrush which concerns on the 4th Embodiment of this invention. It is a rear view of the toothbrush which concerns on the 4th Embodiment of this invention. It is a side view of the toothbrush which concerns on the 5th Embodiment of this invention. It is a rear view of the toothbrush which concerns on the 5th Embodiment of this invention. It is a side view of the toothbrush which concerns on the 6th Embodiment of this invention. It is a rear view of the toothbrush which concerns on the 6th Embodiment of this invention. It is a side view of the toothbrush which concerns on the 7th Embodiment of this invention. It is a rear view of the toothbrush which concerns on the 7th Embodiment of this invention. It is a side view of the toothbrush which concerns on the 8th Embodiment of this invention. It is a rear view of the toothbrush which concerns on the 8th Embodiment of this invention. It is a side view of the toothbrush which concerns on the 9th Embodiment of this invention. It is a rear view of the toothbrush which concerns on the 9th Embodiment of this invention.

  Embodiments to which the present invention is applied will be described below in detail with reference to the drawings. Note that the drawings used in the following description are for explaining the configuration of the embodiment of the present invention, and the size, thickness, dimensions, etc. of each part shown in the drawings may be different from the actual dimensional relationship of the toothbrush. is there.

(First embodiment)
FIG. 1 is a side view of a toothbrush according to a first embodiment of the present invention. In FIG. 1, the X direction indicates the extending direction (first direction) of the handle body 11, and the Z direction indicates the height direction of the hair bundle 21 constituting the brush portion 13.
FIG. 2 is a rear view of the toothbrush according to the first embodiment of the present invention. 2, the same components as those in the structure shown in FIG.
Further, the Y direction shown in FIG. 2 indicates the X direction and a direction (second direction) orthogonal to the Z direction shown in FIG.

  1 and 2, a toothbrush 10 according to a first embodiment is a toothbrush used by an infant and used by an adult to finish brushing an infant, and includes a handle body 11 and a brush portion 13. And a first anti-slip part 16 and a pair of second anti-slip parts 17.

The handle body 11 includes a head portion 19, a neck portion 22, and a handle portion 23.
The head portion 19 extends in the X direction. In other words, the shape of the head portion 19 is such that the width in the X direction is wider than the width in the Y direction. Specifically, the width of the head portion 19 in the X direction is preferably 13 mm or more and 22 mm or less. Further, the width of the head portion 19 in the Y direction is preferably 8 mm or more and 11 mm or less.
The head part 19 has one surface 19a (front surface) and another surface 19b (back surface) disposed on the opposite side of the one surface 19a. On the one surface 19 a side of the head portion 19, a plurality of planting holes (not shown) for planting the plurality of hair bundles 21 constituting the brush unit 13 are provided.

The neck portion 22 extends in the X direction, and one end is connected to the head portion 19 and the other end is connected to the handle portion 23. The neck portion 22 is a portion where the two second slip prevention portions 17 are provided.
The length of the neck portion 22 in the X direction is preferably 33 mm or greater and 54 mm or less. Further, the width of the neck portion 22 in the Y direction is preferably 4.0 mm or greater and 5.0 mm or less.
The handle part 23 is a part that the infant holds with his hand when brushing his / her own teeth. The handle part 23 extends in the X direction. The width of the handle portion 23 in the Y direction is configured to be wider than the width of the neck portion 22 in the Y direction. Specifically, the length in the X direction of the handle portion 23 is preferably 85 mm or more and 100 mm or less. The width in the Y direction of the handle portion 23 is preferably 11 mm or greater and 16 mm or less. Here, the width of the handle portion 23 in the Y direction means the maximum value of the length of the handle portion 23 in the Y direction.
The handle body 11 having the above-described configuration, that is, the head portion 19, the neck portion 22, and the handle portion 23 is a member manufactured by integral molding. As the resin constituting the handle body 11, for example, a synthetic resin material such as polypropylene, polyethylene, polyethylene terephthalate, polybutylene terephthalate, polyacetal, ABS resin, or saturated polyester resin such as PCT resin can be used.

The brush unit 13 includes a plurality of hair bundles 21. The plurality of hair bundles 21 are respectively disposed in planting holes (not shown) provided in the head portion 19. The hair bundle 21 is composed of a plurality of hairs.
Examples of the hair material include polyamide (specifically, 6-12 nylon, 6-10 nylon, etc.), polyester (specifically, polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, etc.), Synthetic resin materials such as polyolefin (specifically, polypropylene) and elastomer (specifically, olefin-based, styrene-based, etc.) can be used, but are not limited thereto.

As the hair tip shape, for example, a rounded tip shape, a taper shape whose outer diameter gradually decreases toward the tip, a spatula shape, a spherical shape, a tip crack shape, etc. can be used. It is not limited to these shapes.
The hair length of the hair is preferably 6 mm or more and 9 mm or less, for example. Here, the hair length of the hair means the length from the one surface 19a of the head portion to the tip of the hair. Moreover, when the diameter of the selected hair is small, it is preferable to shorten the length of the hair from the viewpoint of the usability in the mouth and the feeling of use. Further, in consideration of a feeling of use, a feeling of cleaning, a cleaning effect, durability, and the like, a plurality of hairs having different thicknesses may be used in any combination.

  The first anti-slip portion 16 is one concave portion 16 </ b> A disposed on the other surface 19 b side of the head portion 19. The concave portion 16A is configured by reducing the thickness of the head portion 19 corresponding to the formation region of the first anti-slip portion 16 from the other surface 19b of the head portion 19 (partially reducing the thickness). Yes.

The concave portion 16A is a portion where the tip of the adult index finger is disposed when the adult finishes brushing the infant's teeth. When the brush part 13 is pressed against the target tooth of the infant (in other words, the tooth to be polished) through the adult index finger, the adult index finger is recessed. there is a depth _{D 1} is not displaced from 16A.
The depth _{D 1} of the recess 16A of the other surface 19b when the reference of the head portion 19, for example, preferably 0.5mm or more 2.0mm or less.

  By disposing the concave portion 16 </ b> A having the above configuration on the other surface 19 b side of the head portion 19, it is possible to suppress an adult index finger that finishes brushing an infant's tooth from the other surface 19 b side of the head portion 19. Thereby, the hair | bristle bundle 21 which comprises the brush part 13 finely can be applied with respect to the tooth | gear of the infant to finish-polish.

  Further, since the thickness of the head portion 19 in the portion where the concave portion 16A is formed becomes thin, the distance between the adult index finger for finishing polishing and the brush portion 13 is close in the Z direction. This makes it possible for an adult to feel the sensitivity of the tips of the hair bundles 21 against the teeth of the infant, so that the intended finish of the infant's teeth can be accurately performed.

Two (a pair) of the second anti-slip portions 17 are disposed at both ends of the neck portion 22 in the Y direction (second direction). The two second anti-slip portions 17 are portions where the fingers holding the neck portion 22 are brought into contact.
The pair (two) of second slip prevention portions 17 are two concave portions 17 </ b> A provided by being configured so that the width of the neck portion 22 in the Y direction is narrowed.

When an adult finishes brushing an infant's tooth, a thumb is brought into contact with one of the two concave portions 17A and a middle finger is brought into contact with the other concave portion 17A. Hold the handle body 11 (with the fingers).
Thus, by providing the two second anti-slip portions 17 disposed opposite to each other at both ends in the Y direction on the neck portion 22, the head portion 19 can be firmly pressed with the index finger disposed in the recess 16 </ b> A. .

The depth D ₂ of the recess 17A of the pair (two) in the Y direction, when the is pressed against the head portion 19 by focusing on the tip of the index finger, to the extent that does not deviate thumb and middle finger of a pair of recesses 17A depth If it is. The depth _{D 2} of the recess 17A, for example, preferably 0.5mm or more 3.0mm or less.

In addition, the distance A between the recess 16A and the recess 17A in the X direction is preferably, for example, 0 mm or more and 40 mm or less. By setting it as such a range, an adult index finger, thumb, and middle finger can be easily arrange | positioned in the 1st and 2nd recessed parts 16A and 17A.
Note that the case where the distance A between the recess 16A and the recess 17A in the X direction is 0 mm means, for example, that one end of the recess 16A in the X direction extends to the boundary between the head portion 19 and the neck portion 22 and X This is a case where one end of the recess 16A in the direction is extended to the boundary between the head portion 19 and the neck portion 22.
In this case, the recesses 16A and 17A may be arranged so that a part thereof overlaps in the Y direction.

  According to the toothbrush of the first embodiment, the extending direction of the handle body 11 among the concave portion 16 </ b> A that is the first anti-slip portion 16 disposed on the other surface 19 b side of the head portion 19 and the neck portion 22. By having two recesses 17A that are a pair of second anti-slip portions 17 arranged in the Y direction perpendicular to the (X direction), an infant can be used and an adult can brush his / her teeth When finishing the above, it is possible to hold the neck portion 22 firmly by placing the thumb and middle finger in the recess 17A.

  As a result, the head portion 19 can be firmly pressed by the tip portion of the index finger arranged in the recess 16A, so the hair bundle 21 (brush portion 13) is finely applied to the infant teeth to be finished and polished. You can guess.

  Further, since the thickness of the head portion 19 in the portion where the recess 16A is formed is reduced, the distance between the adult index finger disposed in the recess 16A and the brush portion 13 is reduced in the Z direction. This makes it possible for an adult to feel the sensitivity of the tips of the hair bundles 21 against the teeth of the infant, so that the intended finish of the infant's teeth can be accurately performed.

  1 and 2, the case where two second anti-slip portions 17 (two concave portions 17A) are arranged in the Y direction orthogonal to the X direction has been described as an example. The two second anti-slip portions 17 (the two concave portions 17A) may be arranged at positions that can be held by the middle finger and thumb of the adult, and in a direction intersecting the X direction (in other words, Y You may arrange | position in the direction which inclines with respect to a direction.

(Second Embodiment)
FIG. 3 is a side view of a toothbrush according to the second embodiment of the present invention. In FIG. 3, the same components as those of the toothbrush 10 of the first embodiment shown in FIGS. 1 and 2 are denoted by the same reference numerals.
FIG. 4 is a rear view of the toothbrush according to the second embodiment of the present invention. In FIG. 4, the same components as those of the structure shown in FIG.
4 is a total value of the length of the recess 16A in the X direction, the length of the recess 31A in the X direction, and the interval between the recess 16A and the recess 17A in the X direction.

  3 and 4, the toothbrush 30 of the second embodiment is replaced with two second anti-slip portions 17 (two concave portions 17A) of the first embodiment. The two anti-slip portions 31 are configured in the same manner as the toothbrush 10 of the first embodiment except that the two anti-slip portions 31 have two concave portions 31A.

The two concave portions 31 </ b> A are provided in a portion (the shoulder portion of the handle portion 23) located in the vicinity of the neck portion 22 in the handle portion 23. Specifically, the two concave portions 31A are formed so as to fall within a range of 5 mm or more and 15 mm or less when the neck portion 22 side of the handle portion 23 is a tip, and the two concave portions 31A are opposed to each other in the Y direction. Is arranged.
When an adult finishes brushing an infant's teeth, the adult thumb is brought into contact with one of the two recesses 31A and the middle finger of the adult is brought into contact with the other recess 31A. Hold handle portion 23 (with fingers).

  The distance B shown in FIG. 4 is preferably 25 mm or more and 80 mm or less, for example. As described above, by setting the distance B shown in FIG. 4 to 25 mm or more and 80 mm or less, the adult index finger, thumb, and middle finger can be easily arranged in the first and second recesses 16A and 31A.

  The toothbrush 30 of the second embodiment configured as described above can obtain the same effects as the toothbrush 10 of the first embodiment.

In addition, you may provide the 2nd slip prevention part 17 shown in FIG.1 and FIG.2 in the neck part 22 which comprises the toothbrush 30 of 2nd Embodiment.
As described above, the two second anti-slip portions 17 (two concave portions 17A) arranged in the neck portion 22 and the two second anti-slip portions 31 (two concave portions 31A) arranged in the handle portion 32 are provided. Therefore, when an adult finishes brushing an infant's tooth, the adult can easily hold the handle body 11 with a pair of second recesses (specifically, a pair of (two) Since it becomes possible to select the concave portion 17A or the pair (two) of concave portions 31A), it is possible to finish the teeth of the intended infant with high accuracy.

(Third embodiment)
FIG. 5 is a side view of a toothbrush according to the third embodiment of the present invention. 5, the same components as those of the toothbrush 10 of the first embodiment shown in FIGS. 1 and 2 are denoted by the same reference numerals.
FIG. 6 is a rear view of the toothbrush according to the third embodiment of the present invention. In FIG. 6, the same components as those of the structure shown in FIG.

  5 and 6, a toothbrush 50 according to the third embodiment includes a first anti-slip member 16 (concave portion 16A) and two second brushes that constitute the toothbrush 10 according to the first embodiment. The toothbrush 10 of the first embodiment is the same as the toothbrush 10 of the first embodiment except that the first anti-slip member 51 and the two second anti-slip portions 52 are provided instead of the anti-slip portion 17 (two recesses 17A). Configured.

The first anti-slip member 51 is configured in the same manner as the first anti-slip member 16 except that the first anti-slip member 51 includes two concave portions 51A.
The second anti-slip member 52 is configured in the same manner as the second anti-slip member 17 except that the second anti-slip member 52 includes two second recesses 52A.

  As described above, in the fourth embodiment, the first slip prevention member 51 configured by the two recesses 51A and the second slip prevention member 52 configured by the two second recesses 52A are provided. The toothbrush 50 can obtain the same effect as the toothbrush 10 of the first embodiment.

In FIGS. 5 and 6, the case where the first anti-slip member 51 is configured by two recesses 51 </ b> A has been described as an example, but the first anti-slip member 51 is configured by three or more recesses. May be.
In FIGS. 5 and 6, the case where the second anti-slip member 52 is configured by two second recesses 52 </ b> A has been described as an example. However, the second anti-slip member 52 includes three or more recesses. May be configured. Even when these configurations are applied, the same effects as those of the toothbrush 10 of the first embodiment can be obtained.

Furthermore, in the toothbrush 50 of 3rd Embodiment, the 1st slip prevention part 51 shown in FIG.5 and FIG.6 and the 2nd slip prevention parts 17 and 31 (recessed parts 17A and 31A shown in FIGS. 1-4) are shown. ) At least one of them may be combined.
Alternatively, in the toothbrush 50 of the third embodiment, the second anti-slip portion 52 shown in FIGS. 5 and 6 and the first anti-slip portion 16 (concave portion 16A) shown in FIGS. 1 to 4 are combined. May be.
Even when these configurations are applied, the same effects as those of the toothbrush 10 of the first embodiment can be obtained.

(Fourth embodiment)
FIG. 7 is a side view of a toothbrush according to the fourth embodiment of the present invention. In FIG. 7, the same components as those of the toothbrush 10 of the first embodiment shown in FIGS. 1 and 2 are denoted by the same reference numerals.
FIG. 8 is a rear view of the toothbrush according to the fourth embodiment of the present invention. In FIG. 8, the same components as those in the structure shown in FIG.

  7 and 8, the toothbrush 60 of the fourth embodiment includes a first anti-slip portion 16 and two second anti-slip members constituting the toothbrush 10 of the first embodiment. 17 except that it has a first anti-slip portion 61 and two second anti-slip members 62 (two second anti-slip members 62 arranged in a direction crossing the X direction). Is configured similarly to the toothbrush 10 of the first embodiment.

The first anti-slip portion 61 includes a concave portion 16A disposed on the other surface 19b side of the head portion 19 made of a hard resin, and a first soft resin layer 64.
The first soft resin layer 64 is disposed so as to cover the recess 16A with a thickness not embedding the recess 16A. In other words, the surface of the soft resin layer 64 is configured to be flush with the surface of the other surface 19b of the head portion 19, or the soft resin layer 64 is lower than the surface of the other surface 19b of the head portion 19. Arranged to be configured. Specifically, the thickness of the second soft resin layer 64 is preferably 0.5 mm or greater and 1.0 mm or less.

  As the resin constituting the first soft resin layer 64, for example, a soft resin softer than the resin (hard resin) constituting the head portion 19 can be used. Specifically, as the soft resin constituting the first soft resin layer 64, for example, a resin having a hardness of JIS K 6253 Shore A of 90 or less can be used. As such a soft resin, for example, an elastomer or a silicone resin can be used.

  Thus, the concave portion 16A disposed on the other surface 19b side of the head portion 19 made of hard resin and the thickness not embedding the concave portion 16A are disposed so as to cover the concave portion 16A, and the head portion 19 is configured. By having the first anti-slip portion 61 composed of the first soft resin layer 64 composed of a soft resin softer than the hard resin to be used, when the adult finishes brushing the infant's teeth, Since the tip of the index finger becomes difficult to slip due to friction between the tip and the first soft resin layer 64, the brush portion 13 (hair bundle 21) may be finely applied to the infant's teeth to be finished and polished. it can.

  In addition, since the first soft resin layer 64 functions as a cushioning material, the index finger is less likely to hurt as compared with the case where the first anti-slip portion 16 (see FIGS. 1 and 2) is configured only by the recess 16A. The effect that can be obtained.

The pair of second anti-slip portions 62 includes a pair of recesses 17 </ b> A disposed in the neck portion 22 made of a hard resin, and a second soft resin layer 65.
The second soft resin layer 65 has a thickness that does not embed the concave portion 17A and is disposed so as to cover the concave portion 17A. In other words, the surface of the soft resin layer 65 is configured to be flush with the surface of the neck portion 22, or the soft resin layer 65 is configured to be lower than the surface of the neck portion 22. Yes. Specifically, the thickness of the second soft resin layer 65 is preferably 0.5 mm or more and 1.0 mm or less.

  As the resin constituting the second soft resin layer 65, for example, a soft resin softer than the hard resin constituting the neck portion 22 can be used. Specifically, as the soft resin constituting the second soft resin layer 65, for example, a resin having a hardness of A90 or less can be used. As such a soft resin, for example, an elastomer or a silicone resin can be used.

  In this way, the pair of recesses 17A disposed in the neck portion 22 made of hard resin, and the hard resin that is disposed so as to cover the recess 17A with a thickness that does not embed the recess 17A and that constitutes the neck portion 22 By having the second soft resin layer 65 made of softer softer resin and the second anti-slip part 62 made of soft resin, when the adult finishes brushing the infant's tooth, Since the thumb and the middle finger are less likely to slip due to friction between the soft resin layer 65 and the second soft resin layer 65, the brush portion 13 (hair bundle 21) can be finely applied to the teeth of the infant to be finished and polished.

  In addition, since the second soft resin layer 65 functions as a cushioning material, the thumb and the middle finger hurt compared to the case where the second anti-slip portion 17 (see FIGS. 1 and 2) is configured only by the concave portion 17A. The effect that it is hard to become can be acquired.

The toothbrush 60 of the fourth embodiment configured as described above can obtain the same effects as the toothbrush 10 of the first embodiment.
In addition, you may arrange | position the 2nd soft resin layer 65 shown in FIG.7 and FIG.8 in the recessed part 31A shown in FIG.3 and FIG.4.

Moreover, the 1st slip prevention part 61 shown in FIG.7 and FIG.8, the 2nd slip prevention part 17 (recessed part 17A) shown in FIG.1 and FIG.2, and the 2nd slip prevention part shown in FIG.3 and FIG.4 31 (concave portion 31A) and at least one of the second anti-slip portions 52 (plural recessed portions 52A) shown in FIGS. 5 and 6 may be combined.
Further, the second anti-slip portion 62 shown in FIGS. 7 and 8, the first anti-slip portion 16 (recess 16A) shown in FIGS. 1 to 4, and the first anti-slip portion shown in FIGS. At least one of 51 (the plurality of recesses 51A) may be combined.

(Fifth embodiment)
FIG. 9 is a side view of a toothbrush according to a fifth embodiment of the present invention. In FIG. 9, the same components as those of the toothbrush 10 of the first embodiment shown in FIGS. 1 and 2 are denoted by the same reference numerals.
FIG. 10 is a rear view of the toothbrush according to the fifth embodiment of the present invention. In FIG. 10, the same components as those of the structure shown in FIG.

  9 and 10, the toothbrush 70 according to the fifth embodiment includes a first anti-slip portion 16 and two second anti-slip members constituting the toothbrush 10 according to the first embodiment. It replaces with 17 and is comprised similarly to the toothbrush 10 of 1st Embodiment except having the 1st slip prevention part 71 and the 2nd 2 slip prevention member 72. FIG.

The first anti-slip portion 71 is a convex portion 71 </ b> A disposed on the other surface 19 b side of the head portion 19. The convex portion 71A protrudes from the other surface 19b of the head portion 19. As a resin constituting the convex portion 71A, for example, a soft resin having a hardness of A90 or less can be used. As such a soft resin, for example, an elastomer or a silicone resin can be used.
Other surface 19b height _{H 1} of the convex portions 71A in the Z direction when the reference for head portion 19, for example, 1.5 mm or more 0.3mm is preferable. Here, the height of the convex portion 71A means the maximum value of the length from the surface of the other surface 19b of the head portion 19 to the surface of the convex portion 71A.

The pair of (two) second anti-slip members 72 are configured by two convex portions 72A provided on the side surfaces of the neck portion 22 so as to face each other via the neck portion 22 in the Y direction. . As a resin constituting the convex portion 72A, for example, a soft resin having a hardness of A90 or less can be used. As such a soft resin, for example, an elastomer or a silicone resin can be used.
The height of the convex portion 72A in the Y direction with respect to the neck portion 22 is preferably, for example, 0.5 mm or more and 1.0 mm or less. Here, the height of the convex portion 72A means the maximum value of the length from the surface of the neck portion 22 to the surface of the convex portion 72A.

The toothbrush 70 of the fifth embodiment configured as described above can obtain the same effects as the toothbrush 60 of the fourth embodiment.
In addition, you may arrange | position the convex part 72A shown in FIG.9 and FIG.10 in the shoulder part of the handle | steering-wheel part 23 (not shown). At this time, the height of the convex portion 72A in the Y direction with respect to the handle portion 23 is preferably, for example, not less than 0.5 mm and not more than 1.0 mm. Here, the height of the convex portion 72A means the maximum value of the length from the surface of the handle portion 23 to the surface of the convex portion 72A.

Further, the first anti-slip portion 71 shown in FIGS. 9 and 10, the second anti-slip portion 17 (concave portion 17A) shown in FIGS. 1 and 2, and the second anti-slip portion shown in FIGS. 31 (concave portion 31A), the second anti-slip portion 52 (plurality of concave portions 52A) shown in FIGS. 5 and 6, and the second anti-slip portion 62 (concave portion 17A and second soft resin shown in FIGS. 7 and 8) And at least one of the structures made of the layer 65 may be combined.
Further, the second anti-slip portion 72 shown in FIGS. 9 and 10, the first anti-slip portion 16 (recess 16A) shown in FIGS. 1 to 4, and the first anti-slip portion shown in FIGS. 51 (plural recesses 51A) and at least one of the first anti-slip portions 61 (structures including the recesses 16A and the first soft resin layer 64) shown in FIGS. 7 and 8 may be combined. .

(Sixth embodiment)
FIG. 11 is a side view of a toothbrush according to a sixth embodiment of the present invention. In FIG. 11, the same components as those of the toothbrush 10 of the first embodiment shown in FIGS. 1 and 2 are denoted by the same reference numerals.
FIG. 12 is a rear view of the toothbrush according to the sixth embodiment of the present invention. In FIG. 12, the same components as those in the structure shown in FIG.

  11 and 12, a toothbrush 100 according to the sixth embodiment is replaced with a first anti-slip part 16 instead of the first anti-slip part 16 constituting the toothbrush 10 according to the first embodiment. Except having 101, it is comprised similarly to the toothbrush 10. FIG.

The first anti-slip portion 101 is a convex portion 101 </ b> A provided on the other surface 19 b located on the distal end side of the head portion 19. In FIG. 11, the convex portion 101A protrudes above the other surface 19b (in the Z direction). The convex portion 101A is arranged so as to extend in the Y direction in a curved state.
The convex portion 101A is made of a soft resin. As the soft resin constituting the convex portion 101A, the same soft resin as that constituting the convex portion 71A (see FIGS. 9 and 10) described in the fifth embodiment can be used.

The tip of the index finger (in other words, the tip of the tip of the index finger) is arranged on the convex portion 101A when an adult finishes brushing an infant's teeth.
The shape of the tip of the convex portion 101A may be a round shape (rounded shape) when viewed from the Y direction. Thus, by making the shape of the tip of the convex portion 101A round, when the infant brushes his / her teeth, when the tip of the convex portion 101A contacts the inside of the infant's cheek, the inside of the infant's cheek Can be prevented from being damaged.
Height _{H 2} of the convex portion 101A, for example, preferably 0.3mm or more 1.5mm or less. Here, the height H ₂ of the convex portion 101A, of the length to the surface of the convex portion 101A from the surface of the other surface 19b of the head portion 19 means the maximum value.

According to the toothbrush 100 of the sixth embodiment, the convex portion 101A is arranged as the first anti-slip portion 101 on the other surface 19b located on the distal end side of the head portion 19, so that adults can brush their teeth. When finishing, it can suppress that the tip of an index finger shifts.
In addition, by disposing the convex portion 101A on the distal end side of the head portion 19, it is possible to precisely finish the front teeth, particularly among the infant teeth.
The toothbrush 100 configured as described above can obtain the same effects as those of the toothbrush 10 of the first embodiment.

  11 and 12, the case where the first anti-slip portion 101 is configured by one convex portion 101A has been described as an example, but a plurality of other surfaces 19b positioned on the tip side of the head portion 19 are provided on the other surface 19b. The first anti-slip portion 101 may be configured by the plurality of convex portions 101A. In this case, the same effect as that of the toothbrush 100 of the sixth embodiment can be obtained.

In FIG. 12, the case of a curved shape is described as an example of the shape of the convex portion 101A, but the shape of the convex portion 101A is not limited to this.
For example, the shape of the convex portion 101A may be a straight line parallel to the Y direction as viewed from the Z direction, or may be a sine wave shape extending in the Y direction. In addition, the first anti-slip portion 101 may be composed of, for example, a plurality of dot-shaped convex portions arranged in the Y direction (that is, the shape of the convex portion 101A may be a dot shape). In addition, when the anti-slip | skid part 101 is comprised by the dot-shaped several convex part arrange | positioned at a Y direction, the thickness with respect to the X direction of the said anti-slip | skid part 101 has preferable 0.5 mm or more and 1.5 mm or less.

Further, the first anti-slip portion 101 shown in FIGS. 11 and 12, the second anti-slip portion 17 (concave portion 17A) shown in FIGS. 1 and 2, and the second anti-slip portion shown in FIGS. 31 (concave portion 31A), the second anti-slip portion 52 (plurality of concave portions 52A) shown in FIGS. 5 and 6, and the second anti-slip portion 62 (concave portion 17A and second soft resin shown in FIGS. 7 and 8) The structure composed of the layer 65) and at least one of the second anti-slip portions 72 (projections 72A) shown in FIGS. 9 and 10 may be combined.
Further, the second anti-slip portion 17 shown in FIGS. 11 and 12, the first anti-slip portion 51 (plural recesses 51A) shown in FIGS. 5 and 6, and the first anti-slip portion shown in FIGS. A combination of the prevention unit 61 (a structure made up of the recess 16A and the first soft resin layer 64) and at least one of the first slip prevention unit 71 (projection 71A) shown in FIGS. Good.

Next, mainly with reference to FIG.11 and FIG.12, the toothbrush which concerns on the modification of 6th Embodiment is demonstrated.
A toothbrush (not shown) according to a modification of the sixth embodiment is similar to the configuration of the toothbrush 100 of the sixth embodiment, and further has a configuration similar to that of the first anti-slip portion 101. Except for having the first anti-slip portion, the toothbrush 100 is configured in the same manner.

  The other first anti-slip portion is provided on the other surface 19b located on the rear end side of the head portion 19, and protrudes above (Z direction) the other surface 19b. The other first antislip portion is made of a soft resin. As the soft resin constituting the other first anti-slip portion, the same soft resin as that constituting the convex portion 71A (see FIGS. 9 and 10) described in the fifth embodiment can be used. .

The other first anti-slip part is a part where the tip of the index finger contacts when an adult finishes polishing the back teeth of the infant. The shape of the tip of the other first anti-slip portion may be a round shape (rounded shape).
Thus, when the infant brushes his / her teeth by making the tip of the other first anti-slip part round, the tip of the other first anti-slip part is inside the infant's cheek. It is possible to suppress the inside of the infant's cheek from being damaged when touched.
The height of the other first anti-slip part is preferably 0.3 mm or more and 1.5 mm or less, for example. Here, the height of the other first anti-slip part means the maximum value of the length from the surface of the other surface 19b of the head part 19 to the surface of the other first anti-slip part.

  A plurality of first convex portions 101A (see FIGS. 11 and 12) are arranged on the other surface 19b located on the rear end side of the head portion 19, and the first convex portions 101A serve as a first slip prevention portion. May be configured. Also in this case, the same effect as that of the toothbrush according to the modification of the sixth embodiment can be obtained.

(Seventh embodiment)
FIG. 13 is a side view of a toothbrush according to a seventh embodiment of the present invention. In FIG. 13, the same components as those of the toothbrush 10 of the first embodiment shown in FIGS. 1 and 2 are denoted by the same reference numerals.
FIG. 14 is a rear view of the toothbrush according to the seventh embodiment of the present invention. In FIG. 14, the same components as those of the structure shown in FIG.

  Referring to FIGS. 13 and 14, the toothbrush 120 of the seventh embodiment includes a first anti-slip part 16 and two second anti-slip parts constituting the toothbrush 10 of the first embodiment. It replaces with 17 and is comprised similarly to the toothbrush 10 except having the 1st slip prevention part 121 and the 2nd 2 slip prevention part 122. FIG.

The first anti-slip part 121 includes a plurality of convex parts 121 </ b> A arranged on the other surface 19 b of the head part 19.
The first convex portion 121A protrudes above the other surface 19b (in the Z direction) in FIG. The height of the convex portion 121A with respect to the other surface 19b of the head portion 19 is preferably, for example, 0.3 mm or more and 1.5 mm or less. Here, the height of the first convex portion 121A means the maximum value of the length from the surface of the other surface 19b of the head portion 19 to the surface of the first convex portion 121A.

The convex portion 121A is arranged so as to extend in the Y direction in a curved state. The shape of the tip of the convex portion 121A can be, for example, a round shape (rounded shape). The plurality of convex portions 121A are arranged at predetermined intervals in the X direction. Specifically, an interval of 0.5 mm or more and 1.5 mm or less is preferable.
The convex portion 121A is made of a soft resin. As the soft resin constituting the convex portion 121A, the same soft resin as that constituting the convex portion 71A (see FIGS. 9 and 10) described in the fifth embodiment can be used.

  The two second anti-slip portions 122 are arranged so as to sandwich the shoulder portions on both side surfaces of the shoulder portion of the handle portion 23. The second anti-slip part 122 includes a plurality of convex parts 122 </ b> A arranged on the side surface of the shoulder part of the handle part 23.

The plurality of convex portions 122 </ b> A are arranged at predetermined intervals along the extending direction of the shoulder portion of the handle portion 23. Specifically, an interval of 0.5 mm or more and 1.5 mm or less is preferable. The convex portion 122A protrudes from the side surface of the shoulder portion of the handle portion 23. The height of the convex portion 122A when the side surface of the shoulder portion of the handle portion 23 is used as a reference can be set to the same value as the height of the convex portion 121A, for example. Here, the height of the convex portion 121A means the maximum value of the length from the surface of the other surface 19b of the head portion 19 to the surface of the convex portion 121A.
As the soft resin constituting the convex portion 122A, the same soft resin as that constituting the convex portion 72A (see FIGS. 9 and 10) described in the fifth embodiment can be used.

Further, the first anti-slip portion 121 shown in FIGS. 13 and 14, the second anti-slip portion 17 (concave portion 17A) shown in FIGS. 1 and 2, and the second anti-slip portion shown in FIGS. 31 (concave portion 31A), the second anti-slip portion 52 (plurality of concave portions 52A) shown in FIGS. 5 and 6, and the second anti-slip portion 62 (concave portion 17A and second soft resin shown in FIGS. 7 and 8) The structure composed of the layer 65) and at least one of the second anti-slip portions 72 (projections 72A) shown in FIGS. 9 and 10 may be combined.
Further, the second anti-slip portion 122 shown in FIGS. 13 and 14, the first anti-slip portion 16 (recess 16A) shown in FIGS. 1 to 4, and the first anti-slip portion shown in FIGS. 51 (a plurality of recesses 51A), the first slip prevention part 61 (structure comprising the recess 16A and the first soft resin layer 64) shown in FIGS. 7 and 8, and the first slip shown in FIGS. You may combine the prevention part 71 (convex part 71A) and at least 1 of the 1st slip prevention part 101 (convex part 101A) shown in FIG.11 and FIG.12.

(Eighth embodiment)
FIG. 15 is a side view of a toothbrush according to an eighth embodiment of the present invention. In FIG. 15, the same components as those of the toothbrush 30 of the second embodiment shown in FIGS. 3 and 4 are denoted by the same reference numerals.
FIG. 16 is a rear view of the toothbrush according to the eighth embodiment of the present invention. In FIG. 16, the same components as those in the structure shown in FIG.

  Referring to FIGS. 15 and 16, the toothbrush 140 of the eighth embodiment is a toothbrush except that it has a handle body 141 instead of the handle body 11 constituting the toothbrush 30 of the second embodiment. The configuration is the same as that of No. 30.

The handle body 141 does not have the neck portion 22 shown in FIGS. 3 and 4, and the handle portion 23 is provided with the head portion 19 and two second anti-slip portions 31 (recessed portions 31A) on the shoulder portion. And having.
An end portion of the handle portion 23 on the side where the second anti-slip portion 31 (recessed portion 31 </ b> A) is provided is connected to the head portion 19.

  The toothbrush 140 of the eighth embodiment having such a configuration can obtain the same effects as the toothbrush 30 of the third embodiment described above. That is, the present invention can be applied and the effects of the present invention can be obtained both in the case where the neck portion 22 is provided and in the case where the neck portion 22 is not provided.

  In the toothbrush 140 according to the eighth embodiment shown in FIGS. 15 and 16, the first slip prevention part 51 (plurality of recesses 51 </ b> A) shown in FIGS. 5 and 6, the first slip shown in FIGS. 7 and 8. The prevention part 61 (structure consisting of the concave part 16A and the first soft resin layer 64), the first anti-slip part 71 (convex part 71A) shown in FIGS. 9 and 10, and the first part shown in FIGS. You may apply at least 1 of the slip prevention part 101 (convex part 101A) and the 1st slip prevention part 121 (plurality of convex parts 121A) shown in FIG.13 and FIG.14.

  Moreover, in the toothbrush 140 of 8th Embodiment shown in FIG.15 and FIG.16, the 2nd slip prevention part 52 (plural recessed part 52A) shown in FIG.5 and FIG.6, 2nd shown in FIG.7 and FIG.8. Anti-slip portion 62 (structure comprising the concave portion 17A and the second soft resin layer 65), the second anti-slip portion 72 (convex portion 72A) shown in FIGS. 9 and 10, and the second shown in FIGS. At least one of the anti-slip portions 122 (the plurality of convex portions 122A) may be applied.

(Ninth embodiment)
FIG. 17 is a side view of a toothbrush according to a ninth embodiment of the present invention. In FIG. 17, the same components as those of the toothbrush 140 of the eighth embodiment shown in FIGS. 15 and 16 are denoted by the same reference numerals.
FIG. 18 is a rear view of the toothbrush according to the ninth embodiment of the present invention. In FIG. 18, the same components as those in the structure shown in FIG.

  Referring to FIGS. 17 and 18, the toothbrush 150 according to the ninth embodiment includes one of the two second anti-slip portions 31 constituting the toothbrush 140 according to the eighth embodiment as a component. Except for the above, the configuration is the same as that of the toothbrush 140.

The toothbrush 150 of the ninth embodiment configured as described above is arranged by placing one of the fingers holding the handle portion 23 on one second anti-slip portion 31, thereby Since it becomes possible to suppress that one slip | deviates from the 2nd slip prevention part 31, the effect similar to the toothbrush 10 of 1st Embodiment can be acquired.
Further, in FIG. 18, as an example, the case where one second anti-slip portion 31 is disposed on the lower side of the paper is described as an example. However, in FIG. The anti-slip portion 31 may be arranged. In this case, the same effect as the toothbrush 150 shown in FIGS. 17 and 18 can be obtained.

  The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to such specific embodiments, and within the scope of the present invention described in the claims, Various modifications and changes are possible.

  For example, two second anti-slip portions 72 shown in FIGS. 9 and 10 may be arranged on the handle portion 23. In this case, the same effect as that of the toothbrush 70 of the fifth embodiment can be obtained.

Further, for example, the first anti-slip portions 16, 51, 61, 71, 101, 121 described in the first to ninth embodiments may be freely combined as necessary.
Further, the second anti-slip portions 17, 31, 52, 62, 72, 122 described in the first to ninth embodiments may be freely combined as necessary.
Furthermore, the combination of the first anti-slip parts 16, 51, 61, 71, 101, 121 and the second anti-slip parts 17, 31, 52, 62, 72, 122 may be freely combined.

  Moreover, the arrangement | positioning position of the 2nd slip prevention parts 17, 31, 52, 62, 72, 122 demonstrated in the 1st thru | or 9th embodiment is not limited to the arrangement | positioning position shown in FIGS. . The second anti-slip portions 17, 31, 52, 62, 72, 122 can be arranged at optimum positions as necessary.

In addition, the first anti-slip portions 16, 51, 61, 71, 101, 121 and the second anti-slip portions 17, 31, 52, 62, 72, 122 described in the first to ninth embodiments are used. May be arranged in the X direction.
Further, the first anti-slip portions 16, 51, 61, 71, 101, 121 described in the first to ninth embodiments are arranged on at least one of the head portion 19 and the neck portion 22. That's fine.
The second anti-slip portions 17, 31, 52, 62, 72, 122 described in the first to ninth embodiments may be disposed on at least one of the handle portion 23 and the neck portion 22. .

  INDUSTRIAL APPLICABILITY The present invention is applicable to a toothbrush used by infants and adults who finish brushing their infants' teeth.

10, 30, 50, 60, 70, 100, 110, 120, 140, 150 ... Toothbrush 11, 141 ... Handle body 13 ... Brush part 16, 51, 61, 71, 101, 121 ... First slip prevention part 16A , 17A, 31A, 51A, 52A ... concave portion 17, 31, 52, 62, 72, 122 ... second slip prevention portion 19 ... head portion 19a ... one side 19b ... other side 21 ... hair bundle 22 ... neck portion 23 ... handle part 64 ... first soft resin layer 65 ... second soft resin layer 71A, 72A, 101A, 121A, 122A ... protrusion D _1, D 2 _... depth H _1, H 2 _... height

Claims (7)

A handle body including a head portion , a handle portion , and a neck portion having one end connected to the head portion and the other end connected to the handle portion, and extending in a first direction;
A brush portion planted on one surface of the head portion;
A first anti-slip portion disposed on at least one of the other surface side of the head portion and the neck portion ;
Among said handle portion and said neck portion, and at least one, the second anti-slip portions having a pair at both ends of the second direction crossing is arranged so as to face to the first direction,
Have a,
A toothbrush characterized in that, when the first anti-slip portion is pressed with a finger, the pair of second anti-slip portions are in contact with a finger holding the handle portion or the neck portion . The first anti-slip portions, toothbrush according to claim 1, characterized in that it comprises at least either one of the one or more recesses or protrusions. The second anti-slip portions, according to claim 1 or 2 toothbrush according, characterized in that it comprises at least either one of the one or more recesses or protrusions. Of the handle body, the base material of the portion corresponding to the formation region of the first and second anti-slip portions is made of a hard resin,
Either one of the first anti-slip part or the second anti-slip part includes a soft resin layer that covers the base and is made of a soft resin softer than the hard resin. Item 4. The toothbrush according to any one of Items 1 to 3 . The toothbrush according to any one of claims 1 to 4, wherein a plurality of the first and second anti-slip portions are arranged in the first direction. A handle body including a head portion and a handle portion and extending in a first direction;
A brush portion planted on one surface of the head portion;
A first anti-slip portion disposed on the other surface side of the head portion;
A second anti-slip portion, a pair of which is disposed opposite to the handle portion at both ends in a second direction intersecting the first direction;
Have
A toothbrush characterized in that when pressing the first anti-slip portion with a finger, the pair of second anti-slip portions are in contact with a finger holding the handle portion . The first anti-slip portion is a first finishing finger rest;
The toothbrush according to any one of claims 1 to 6, wherein the second anti-slip portion is a second finishing finger rest portion .

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