JPH10155548A - Toothbrush - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a toothbrush with which the front side and rear side of front teeth and molar teeth can easily and efficiently be brushed. SOLUTION: In this toothbrush, 1st and 2nd brushes 12 and 13 for front teeth are arranged on a brush holder 15 for front teeth formed at one end of holder 11 to be held by a hand. Then, a brush 14 for molar teeth is disposed on a brush holder 16 for molar teeth formed at the other end of holder 11. Besides, the 1st and 2nd brushes 12 and 13 for front teeth are formed while being curved so as to correspond to the front teeth. Then, the brush 14 for molar teeth is formed on an outer columnar peripheral surface so as to correspond to the molar teeth. Then, a bent part 21 is provided at the holder 11 while being bent and formed on the side of brush holder 15 for front teeth.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toothbrush used for brushing teeth after eating, for example.

[0002]

2. Description of the Related Art Generally, a toothbrush of this type includes a support which is gripped by hand and a brush provided at one end of the support. The support has a plate shape and is formed of a synthetic resin. Further, the brush is formed by embedding a bundle of fibers made of synthetic resin into a support and fixing the bundle with an adhesive or the like.

[0003] When brushing teeth using this toothbrush, a cream-like, liquid-like or powder-like dentifrice is attached to the brush and rubbed against the teeth, so that the front teeth and the back teeth are polished. .

[0004]

However, in the conventional toothbrush, the brush is provided only at one end of the support and is formed only on one surface of the plate-shaped portion. I had to brush my front and back teeth by changing the direction of the toothbrush and changing the toothbrush.

As described above, when brushing teeth, the same toothbrush is used without distinguishing the front teeth and the back teeth, so that it is difficult to brush the front and rear sides of the front teeth and the back teeth, and the efficiency is improved. There was a problem that it could not be polished.

The present invention has been made by paying attention to such problems existing in the conventional technology. It is an object of the present invention to provide a toothbrush that can easily brush the front side, the rear side, and the back teeth of the front teeth and can brush efficiently.

[0007]

According to a first aspect of the present invention, there is provided a toothbrush having a front toothbrush provided at one end of a hand-held support member and a back tooth brush provided at the other end. It is provided with.

[0008] According to a second aspect of the present invention, in the toothbrush according to the first aspect, the front toothbrush is formed to be curved so as to correspond to the front teeth. According to a third aspect of the present invention, in the toothbrush according to the first or second aspect, the support is bent at a portion on the side where the front toothbrush is provided.

Therefore, in the toothbrush according to the first aspect, since the support includes the front toothbrush and the rear toothbrush, the front toothbrush and the rear toothbrush are selectively used, so that the front surface of the front tooth is provided. The side, the rear side, and the back teeth can be easily polished and can be polished efficiently.

In the toothbrush according to the second aspect, since the front toothbrush is formed so as to correspond to the curvature of the front tooth, the front toothbrush is brushed in the same direction without changing the direction of the front toothbrush. Can be.

In the toothbrush according to the third aspect of the present invention, since the support is bent at the portion where the front toothbrush is provided, the front toothbrush can be pressed against the front teeth with force. You can brush your front teeth clean.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION

(First Embodiment) Hereinafter, a first embodiment of the present invention will be described with reference to FIG.
This will be described in detail with reference to FIG.

As shown in FIGS. 1 and 2, the toothbrush includes a plate-like support 11 and a first support 11 provided at one end of the support 11.
The brush includes a front tooth brush 12 and a second front tooth brush 13, and a back tooth brush 14 provided at the other end of the support 11.

The support 11 is made of synthetic resin or aluminum and has a front tooth brush support 15 at one end and a back tooth brush support 16 at the other end. The front tooth brush support 15 is curved and has a first curved portion 17 and a second curved portion 18. The first curved portion 17 is curved on the front surface of the brush support 15 for the front teeth, and has a concave shape. Further, the second curved portion 18 is provided on the brush support 15 for the front teeth.
Is formed to correspond to the first curved portion 17 on the back surface of the first curved portion 17, and has a convex shape opposite to the first curved portion 17.

The first front tooth brush 12 is formed by embedding a fiber bundle 19 made of a synthetic resin at a predetermined interval on the surface of the first curved portion 17, and has a smooth concave shape corresponding to the front surface of the front teeth. It has become. Further, the second front tooth brush 13 has a fiber bundle 20 on the surface of the second curved portion 18.
Are embedded at predetermined intervals, and have a smooth convex shape opposite to the case of the first front tooth brush 12 so as to correspond to the rear surface of the front tooth. Fiber bundle 19 and fiber bundle 20
Is fixed to the front tooth brush support 15 with an adhesive or the like so as not to fall out of the front tooth brush support 15.

The bent portion 21 is bent on the side of the support 11 on the side of the front tooth brush support 15, and is formed in a substantially U-shaped cross section. The back tooth brush support 16 has a columnar shape, and is formed integrally with the other end of the support 11 at the center of one end surface thereof. The back tooth brush 14 is configured by embedding a fiber bundle 22 made of synthetic resin at a predetermined interval on the circumferential surface of the back tooth brush support 16. The fiber bundle 22 is fixed to the back tooth brush support 16 with an adhesive or the like so that the fiber bundle 22 does not easily come out of the back tooth brush support 16.

Next, the operation of the toothbrush of the first embodiment will be described. Now, when brushing the front side of the front teeth using this toothbrush, first, a dentifrice is applied to the first front toothbrush 12. Next, the support 11 is gripped with a finger,
The mouth is opened, and the first front tooth brush 12 is rubbed against the front side of the front teeth to polish the front side of the front teeth. In this case, since the first front toothbrush 12 is curved so as to correspond to the front side of the front teeth, the first front toothbrush 12 does not need to be changed or the toothbrush held without being changed. The front side of the front teeth can be easily brushed in the desired orientation. Since the first front tooth brush 12 firmly contacts the front surface of the front teeth, it is possible to remove dirt such as food residue between the front teeth on the front surface.

When brushing the rear side of the front teeth, a dentifrice is first adhered to the second front tooth brush 13. Next, the support 11 is gripped with a finger, the mouth is opened, and the second front tooth brush 1 is held.
3 is rubbed against the rear side of the front teeth to polish the rear side of the front teeth. In this case, the second front tooth brush 13 is curved so as to correspond to the rear side of the front teeth.
The rear surface of the front teeth can be easily brushed in the same direction without changing the direction of No. 3 or holding the toothbrush. Since the second front tooth brush 13 firmly contacts the rear surface of the front teeth, dirt such as food residue between the front teeth on the rear surface can be removed.

When brushing the back teeth, a dentifrice is first adhered to the back tooth brush 14. Next, the support body 11 is gripped with a finger, the mouth is opened widely, and the back tooth brush 14 is rotated, moved up and down, and moved back and forth. polish. In this case, since the back tooth brush 14 is provided on the circumferential surface of the back tooth brush support 16, the back tooth brush 14
It is possible to brush the upper, lower, left and right back teeth with a simple rotation and sliding operation without changing the direction of the toothbrush or holding the toothbrush. Since the back tooth brush 14 firmly contacts the back teeth, dirt such as food residue between the back teeth can be removed.

Further, when massaging the gums using this toothbrush, the support 11 can be gripped with a finger and the first front toothbrush 12, the second front toothbrush 13 or the back toothbrush 14 can be brought into contact with the gums. Open your mouth like so. Then, the gums can be massaged by lightly sliding the gums with the first front tooth brush 12, the second front tooth brush 13, or the back tooth brush 14.

When brushing the teeth, it is possible to brush the teeth after applying the dentifrice to all of the first front tooth brush 12, the second front tooth brush 13 and the back tooth brush 14 from the beginning. Alternatively, the dentifrice may be applied to both the first front tooth brush 12 and the second front tooth brush 13 and then the front teeth may be polished, and then the dentifrice may be applied to the back tooth brush 14 to brush the back teeth. In addition, brush 1 for back teeth
After brushing the back teeth by attaching the dentifrice to the toothbrush 4, the dentifrice may be applied to the first front toothbrush 12 and the second front toothbrush 13 to brush the front teeth.

When brushing the teeth, the first front tooth brush 12, the second front tooth brush 13, or the back tooth brush 1
The toothbrush can be brushed as described above even if the toothbrush is added to the mouth without adding a toothbrush to the toothbrush.

The effects exerted by the first embodiment will be described below. (1) A single toothbrush uses the first front tooth brush 12, the second front tooth brush 13, and the back tooth brush 14 for the front tooth and the back tooth, respectively, so that even a child, an elderly person, or a physically handicapped person can use the front tooth brush. The front side, the rear side, and the back teeth can be easily polished and can be polished efficiently. (2) First front tooth brush 12 and second front tooth brush 1
Since 3 is formed so as to correspond to the curvature of the front and rear surfaces of the front teeth, the front teeth can be brushed in the same direction without changing the directions of the first front tooth brush 12 and the second front tooth brush 13. it can. (3) Since the support 11 is bent on the side of the front tooth brush support 15, the first front tooth brush 12 and the second front tooth brush 13 can be pressed against the front teeth with force, The front teeth can be brushed neatly. (4) Since the back tooth brush 14 is provided on the circumferential surface of the back tooth brush support 16, simple rotation or rotation of the back tooth brush 14 is possible without changing the direction of the back tooth brush 14 or holding the tooth brush. By sliding operation, the upper, lower, left and right back teeth can be easily polished. (5) First front tooth brush 12, second front tooth brush 13
And the back tooth brush 14 allows the toothbrush to be used not only for brushing teeth but also for massaging the gums. (6) First front tooth brush 12, second front tooth brush 13
In addition, since the back tooth brush 14 firmly abuts between the teeth, not only can the teeth be polished cleanly, but also dirt such as food residue between the teeth can be removed. (Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIG.
A description will be given based on FIG. In the second embodiment, parts different from the first embodiment will be mainly described.

As shown in FIGS. 3 and 4, the pair of first guide rails 23 are formed to protrude along both side edges of the first curved portion 17 of the front toothbrush support 15. The first guide groove 24 is formed by the front surface of the first curved portion 17 of the brush support 15 for the front teeth and the inner side surface of the first guide rail 23. The first slide plate 25 is formed in a plate shape corresponding to the first curved portion 17, and a fiber bundle 19 in which fibers made of synthetic resin are bundled is embedded at a predetermined interval on one surface thereof.

The pair of second guide rails 26 are formed so as to protrude along both side edges of the second curved portion 18 of the brush support 15 for the front teeth. The second guide groove 27 is formed by the rear surface of the second curved portion 18 of the front toothbrush support 15 and the inner surface of the second guide rail 26. The second slide plate 28 is formed in a plate shape corresponding to the second curved portion 18, and a fiber bundle 20 in which synthetic resin fibers are bundled is embedded at a predetermined interval on one surface thereof.

By sliding the first slide plate 25 into the first guide groove 24, the first slide plate 2
5 is guided by the first guide rail 23 and the first curved portion 17
Attached to. Further, by sliding the second slide plate 28 into the second guide groove 27, the second slide plate 2
8 is guided by the second guide rail 26 and the second curved portion 18
Attached to. The first slide plate 25 or the second slide plate 28 is provided with the first front tooth brush 12 or the second front tooth brush 1.
When 3 is bent and becomes unusable due to long-term use, it can be removed from the first bending portion 17 or the second bending portion 18 in a procedure reverse to the case of attachment.

The method of brushing teeth and massaging gums using the toothbrush of the second embodiment is the same as that of the first embodiment. First front tooth brush 12
Alternatively, when the second front toothbrush 13 is used for a long period of time and becomes unusable, one or both of the first slide plate 25 and the second slide plate 28 are removed from the front toothbrush support 15. The first slide plate 25 or the second slide plate 28 is used as a replacement.

According to the second embodiment, if the first front tooth brush 12 and the second front tooth brush 13 are slid into the first guide groove 24 or the second guide groove 27, the first slide plate 25 and the second 2 Slide plate 28 for brush support 15 for front teeth
Can be easily attached and detached. In addition, since the first slide plate 25 and the second slide plate 28 are curved, the first slide plate 25 and the second slide plate 28 do not easily come off from the front toothbrush support 15 when the toothbrush is used. Further, when the first front tooth brush 12 or the second front tooth brush 13 becomes unusable,
The first and second slide plates 25 and 28 that are no longer needed can be removed from the front tooth brush support 15 and replaced with new first and second slide plates 25 and 28. Waste can be eliminated and resources can be used effectively. (Third Embodiment) Next, a third embodiment of the present invention will be described with reference to FIG.
A description will be given based on FIG. In the third embodiment, parts different from the first embodiment will be mainly described.

As shown in FIGS. 5 and 6, the toothbrush includes a support 11, a first attachment body 29 screwed to one end of the support 11, and a first attachment body 29 screwed to the other end of the support 11. 2 attachment bodies 30
It is composed of The support 11 is formed of a synthetic resin or aluminum and has a columnar shape. Female screw 3
1 is formed by cutting out one end of the support 11, and the male screw portion 32 is formed to project from the other end of the support 11.

The first curved portion 17 is formed such that the central portion in the width direction swells along the length direction. And
The height of the central portion of the fiber bundle 19 is increased. The first attachment body 29 includes the brush support 15 for the front teeth and the bent portion 21, and a male screw 33 is provided at an end thereof with the support 1.
It is formed so as to be screwed into one female screw 31.
The second attachment body 30 has a shape in which two large and small cylinders are integrated, that is, is formed of a large-diameter portion and a small-diameter portion, and a taper between the large-diameter portion and the small-diameter portion is reduced toward the small-diameter portion. It is formed in a shape. The female screw portion 34 is notched at the end of the second attachment body 30 so as to correspond to the male screw portion 32 of the support 11.

Then, the male screw 33 of the first attachment 29 is screwed into the female screw 31 of the support 11, so that the first attachment 29 is screwed and fixed to one end of the support 11. Further, by screwing the male screw part 32 of the support 11 into the female screw part 34 of the second attachment 30, the second attachment 30 is screwed and fixed to the other end of the support 11 and integrated. A toothbrush is constructed.

The method of brushing the teeth and massaging the gums using the toothbrush of the third embodiment is the same as that of the first and second embodiments. FIG.
And as shown in FIG. 6, the first front tooth brush 12 or the second
When the front toothbrush 13 becomes unusable, the internal thread 31 of the support 11 is moved from the external thread 33 of the first attachment 29 to the external thread 33 of the first attachment 29.
The first attachment 29 is screwed and fixed to one end of the support 11 by unscrewing and removing the male screw 33 of the new first attachment 29 into the female screw 31 of the support 11. Used as a toothbrush.

When the back tooth brush 14 becomes unusable, the female screw portion 34 of the second attachment 30 is loosened from the male screw portion 32 of the support 11 and removed, and a new one is removed. The female screw part 34 of the second attachment 30 is screwed into the male screw part 32 of the support 11, whereby the second attachment 30 is screwed and fixed to the other end of the support 11 and used as a toothbrush.

According to the third embodiment, the first front tooth brush 12, the second front tooth brush 13 or the back tooth brush 14 is used.
When the device becomes unusable, the first
The attachment body 29 or the second attachment body 30 is unscrewed and removed, and a new first attachment body 29 or a second attachment body 30 is screwed and fixed to the support 11. For this reason, the support 11 of the toothbrush
Since there is no need to throw away resources, waste of resources can be eliminated, and effective use of resources can be achieved.

The first curved portion 17 is formed so that the central portion in the width direction swells along the length direction.
Since the height of the central portion of 9 is increased, the first front tooth brush 12 can easily abut on the front teeth and the gums, so that the front teeth can be brushed cleanly and the gums can be massaged.

The above embodiment can be embodied with the following modifications. (A) The back tooth brush support 16 is formed in a semi-cylindrical column shape or a quadrangular column shape, and the fiber bundle 22 is embedded in three surfaces thereof.

Even with this configuration, the back tooth brush 14
The upper, lower, left and right back teeth can be easily brushed by a simple rotation or sliding operation without changing the direction of the toothbrush or holding the toothbrush. In addition, it is possible to prevent the back tooth brush 14 from stimulating the inside of the cheek. (B) In the third embodiment, a female screw is formed on the first attachment body 29 and a male screw is formed on the support 11. Further, a male screw portion is formed on the second attachment body 30, and a female screw portion is formed on the support 11.

In the case of such a configuration, the first attachment body 29
Since the female screw of the support body 11 and the male screw of the support body 11 are screwed together with the screw, the first attachment body 29 and the support body 11 can be made detachable.

Further, since the male screw portion of the second attachment body 30 and the female screw portion of the support 11 are screwed together with a screw,
The second attachment body 30 and the support 11 can be made detachable. (C) The first curved portion 17 is curved to form a smooth convex shape, and the second curved portion 18 is curved to form a smooth concave shape.

With this configuration, even if the first front tooth brush 12 and the second front tooth brush 13 are not changed in direction and the toothbrush is not changed, the front and rear surfaces of the front teeth are maintained in the same direction. The sides can be easily polished.

Further, the technical ideas grasped from the above embodiment will be described below. (1) The toothbrush according to any one of claims 1 to 3, wherein a front toothbrush is replaceably provided at one end of the support.

With this configuration, when the front toothbrush becomes unusable, only the front toothbrush is replaced, so that waste of resources can be eliminated and resources can be effectively used. (2) The toothbrush according to any one of claims 1 to 3, wherein a back tooth brush is replaceably provided at the other end of the support.

With this configuration, in addition to the effects of the invention according to any one of claims 1 to 3, when the back tooth brush becomes unusable, only the back tooth brush is replaced. Waste can be eliminated and resources can be effectively used. (3) The toothbrush according to any one of claims 1 to 3, wherein the support is formed in a cylindrical shape, and a back tooth brush is provided along a circumferential surface of the support.

According to this structure, in addition to the effects of the invention according to any one of the first to third aspects, the back tooth brush is provided on the circumferential surface of the support. Even without changing the direction or holding the toothbrush, the upper, lower, left and right inner teeth can be easily brushed by a simple rotation or sliding operation. (4) An end of the support is formed in a plate shape so as to form a substantially T-shape, a front tooth brush is provided on both surfaces thereof, and the support is formed so as to correspond to the front and rear surfaces of the front teeth, respectively. The toothbrush according to claim 3.

According to this structure, in addition to the effects of the invention described in any one of the first to third aspects, the front tooth brush for the front tooth and the front tooth for the rear tooth can be selectively used, so that the front surface of the front tooth can be used. And the rear surface can be easily polished and can be polished efficiently.

[0046]

The present invention is configured as described above, and has the following effects. According to the first aspect of the present invention, since the support includes the front tooth brush and the back tooth brush, the front tooth brush and the back tooth brush are selectively used, so that the front side and the rear side of the front teeth are used. And the back teeth can be easily polished and can be polished efficiently.

According to the invention described in claim 2, according to claim 1,
In addition to the effects of the invention described in (1), since the front tooth brush is formed so as to correspond to the curvature of the front tooth, the front tooth can be brushed in the same direction without changing the direction of the front tooth brush.

According to the third aspect of the present invention, the first aspect is provided.
Or, in addition to the effect of the invention described in claim 2, since the support is bent at the portion where the front tooth brush is provided, the front tooth brush can be pressed against the front teeth with force. You can brush your front teeth clean.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a toothbrush of the present invention.

FIG. 2 is a sectional view taken along line 2-2 in FIG. 1;

FIG. 3 is an exploded perspective view showing a second embodiment of the toothbrush of the present invention.

FIG. 4 is a sectional view taken along line 4-4 in FIG. 3;

FIG. 5 is an exploded perspective view showing a third embodiment of the toothbrush of the present invention.

FIG. 6 is a sectional view taken along line 6-6 in FIG. 5;

[Explanation of symbols]

11: support, 12: first front tooth brush, 13: second front tooth brush, 14: back tooth brush, 15: front tooth brush support, 16: back tooth brush support.

Claims (3)

[Claims] 1. A toothbrush provided with a front toothbrush at one end of a supporting body to be gripped by hand and a back tooth brush at the other end. 2. The toothbrush according to claim 1, wherein the front toothbrush is curved so as to correspond to the front teeth. 3. The toothbrush according to claim 1, wherein the support is bent at a portion where the front toothbrush is provided.