JPH0548723U - electric toothbrush - Google Patents
electric toothbrushInfo
- Publication number
- JPH0548723U JPH0548723U JP10839991U JP10839991U JPH0548723U JP H0548723 U JPH0548723 U JP H0548723U JP 10839991 U JP10839991 U JP 10839991U JP 10839991 U JP10839991 U JP 10839991U JP H0548723 U JPH0548723 U JP H0548723U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- brush
- drive shaft
- brush main
- partition wall
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000005192 partition Methods 0.000 claims abstract description 31
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 229940034610 toothpaste Drugs 0.000 abstract description 7
- 239000000606 toothpaste Substances 0.000 abstract description 7
- 239000000428 dust Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Brushes (AREA)
Abstract
(57)【要約】
【目的】外観を損ねることなく前記握持部と前記ブラシ
本体とが確実に接続できると共に、斯かる接続部分に歯
磨粉などが流入することのない電動歯ブラシを提供せし
める。
【構成】ブラシ本体２の取付孔７を、前記ブラシ本体２
の内壁面から遊離すべく内設された隔壁８で形成すると
共に、該隔壁８の所望位置にスリット８ａを設け、か
つ、該スリット８ａで分割された隔壁片８ｂ，８ｂの外
周面側に、前記ブラシ本体２の内壁面と連接する突状片
８ｃ，８ｃを介在せしめる。また、好ましくはこの隔壁
片８ｂ，８ｂの内周面側に前記取付孔７内に向けて突出
した係合片９，９を内設するのが良い。
(57) [Summary] [Object] To provide an electric toothbrush in which the grip portion and the brush main body can be reliably connected to each other without impairing the appearance, and toothpaste and the like do not flow into the connection portion. [Structure] The mounting hole 7 of the brush main body 2 is formed in the brush main body 2
The partition wall 8 is formed so as to be separated from the inner wall surface of the partition wall 8, the slit 8a is provided at a desired position of the partition wall 8, and the partition wall pieces 8b, 8b divided by the slit 8a are provided on the outer peripheral surface side. The protruding pieces 8c, 8c that are connected to the inner wall surface of the brush body 2 are interposed. Further, it is preferable to internally provide engagement pieces 9 and 9 projecting into the attachment hole 7 on the inner peripheral surface side of the partition pieces 8b and 8b.
Description
【０００１】[0001]
本考案は、電動歯ブラシの改良に関し、更に詳しくはブラシ本体と握持部（詳 しくは駆動軸）との連結が確実に行える電動歯ブラシに存する。 The present invention relates to an improvement of an electric toothbrush, and more particularly to an electric toothbrush in which a brush body and a grip portion (specifically, a drive shaft) can be reliably connected.
【０００２】[0002]
一般に、電動歯ブラシは、筒状を呈した握持部の先端側に駆動軸を突設すべく 電動モータを内蔵してなり、前記駆動軸に着脱自在に装着される各種のブラシ本 体を備えている。 Generally, an electric toothbrush has a built-in electric motor for projecting a drive shaft on the tip side of a cylindrical grip portion, and includes various brush bodies detachably mounted on the drive shaft. ing.
【０００３】 従来、斯かる電動歯ブラシとしては、例えば、図８に示すように、握持部に内 蔵された電動モータ３の回転力をブラシ本体２の揺動に変換すると共に、各種の ブラシ本体２を握持部１と着脱自在に取着しうるように形成し、目的、用途に応 じて各種のブラシ本体２を使用して、歯に付着した汚れの除去をなしうるように した電動歯ブラシがあった（実開昭６０−１１２９２６号公報参照）。Conventionally, as such an electric toothbrush, as shown in FIG. 8, for example, the rotational force of the electric motor 3 stored in the grip portion is converted into the swing of the brush main body 2, and various brushes are used. The main body 2 is formed so as to be detachably attached to the grip portion 1, and various brush main bodies 2 are used according to the purpose and application to remove the dirt adhering to the teeth. There was an electric toothbrush (see Japanese Utility Model Laid-Open No. 60-112926).
【０００４】[0004]
しかしながら、上述した実公昭６０−１１２９２６号公報に開示されている電 動歯ブラシにあっては、前記ブラシ本体２の下端側に、前記駆動軸５を嵌合せし めるスリット８ａが外観から感取できるため、換言すれば、前記スリット８ａが 表面に露出するように形成してあることから、使用中に歯磨粉などが前記スリッ ト８ａ内に流入したり、或は埃塵や水垢が溜り易く、また、前記スリット８ａ内 にカビが発生した場合は拭き取りづらいことも相俟って、不衛生になってしまう といった問題があり、外観をも損ねるものであった。 However, in the electric toothbrush disclosed in Japanese Utility Model Publication No. 60-112926, the slit 8a into which the drive shaft 5 is fitted is attached to the lower end side of the brush body 2 from the appearance. In other words, in other words, since the slit 8a is formed so as to be exposed on the surface, toothpaste or the like may flow into the slit 8a during use, or dust or water stains may easily accumulate. Further, when mold is generated in the slit 8a, it is difficult to wipe it off, which causes unsanitary problems, and the appearance is also spoiled.
【０００５】 本考案はこのような従来の問題点に鑑みてなされたもので、外観を損ねること なく前記握持部と前記ブラシ本体とが確実に接続できると共に、斯かる接続部分 に歯磨粉などが流入することのない電動歯ブラシを提供することを目的としたも のである。The present invention has been made in view of the above conventional problems, and the grip portion and the brush main body can be reliably connected to each other without damaging the appearance, and toothpaste or the like can be attached to the connection portion. The purpose is to provide an electric toothbrush that does not flow in.
【０００６】[0006]
上述の如き従来の問題点を解決し、所期の目的を達成するため本考案の要旨と する構成は、電動モータを内蔵せしめた有低筒状の握持部と、該握持部の先端に 突出された駆動軸と、該駆動軸に着脱自在に装着されたブラシ本体とを備え、前 記電動モータの回転力をブラシ本体の揺動に変換すべく連動してなる電動歯ブラ シにおいて、前記ブラシ本体は、前記駆動軸に嵌合せしめる取付孔が前記ブラシ 本体の内壁面から遊離すべく内設された隔壁で形成されると共に、該隔壁の所望 位置に少なくとも一以上のスリットを設け、かつ、該スリットで分割された隔壁 片の外周面側に、前記ブラシ本体の内壁面と連接する突状片を介在せしめた電動 歯ブラシに存する。 In order to solve the above-mentioned conventional problems and to achieve the intended purpose, the structure which is the gist of the present invention is a tubular grip portion having a built-in electric motor, and a tip of the grip portion. An electric toothbrush including a drive shaft projecting from the shaft and a brush main body detachably attached to the drive shaft, which is interlocked to convert the rotational force of the electric motor into swing of the brush main body. The brush main body is formed of a partition wall in which a mounting hole for fitting the drive shaft is separated from an inner wall surface of the brush main body, and at least one slit is provided at a desired position of the partition wall. Further, the present invention resides in an electric toothbrush in which a protruding piece that is connected to the inner wall surface of the brush body is interposed on the outer peripheral surface side of the partition wall piece divided by the slit.
【０００７】[0007]
このように構成される本考案の電動歯ブラシは、前記駆動軸に嵌合せしめる取 付孔が前記ブラシ本体の内壁面から遊離すべく内設された隔壁で形成されると共 に、該隔壁の所望位置に少なくとも一以上のスリットを設けたことによって、前 記ブラシ本体の表面上に前記スリットが現出することなく前記モータの駆動軸と 前記ブラシ本体とが接続されることとなり、また、斯かる接続部分には前記ブラ シ本体の内壁面が被装されることも相俟って、使用中に歯磨粉などが同接続部分 に流入することもない。また、前記スリットで分割された隔壁片の外周面側に前 記ブラシ本体の内壁面と連接する突状片を介在せしめたことによって、前記隔壁 片の弾性力を失うことなくして前記取付孔の拡径作用、すなわち、前記隔壁片を 弾性変形させることによって前記駆動軸を前記取付孔内に圧接係合せしめるとい った前記握持部と前記ブラシ本体との連結操作の反復により、前記隔壁片が外方 に拡径されてしまうといった不都合を有効的に阻止せしめることとなる。 In the electric toothbrush of the present invention constructed as above, the attachment hole for fitting the drive shaft is formed by the partition wall provided so as to be separated from the inner wall surface of the brush body, and By providing at least one slit at a desired position, the drive shaft of the motor and the brush main body are connected without the slit appearing on the surface of the brush main body. The inner wall surface of the brush body is covered on the connecting portion, and toothpaste and the like do not flow into the connecting portion during use. In addition, by inserting a projecting piece that is connected to the inner wall surface of the brush main body on the outer peripheral surface side of the partition wall piece divided by the slit, the elastic force of the partition wall piece is not lost and the mounting hole By expanding the diameter, that is, by repeating the connecting operation between the grip portion and the brush main body, in which the drive shaft is brought into pressure contact with the mounting hole by elastically deforming the partition wall piece, the partition wall piece is repeated. This effectively prevents the inconvenience that the diameter is expanded outward.
【０００８】[0008]
次に本考案の実施の一例を図面を参照しながら説明する。 図中Ａは、本考案に係る電動歯ブラシであり、この電動歯ブラシＡは、図１に示 すように、有低筒状の握持部１と、該握持部１の先端側に着脱自在に突設された ブラシ本体２とを備えている。 Next, an embodiment of the present invention will be described with reference to the drawings. In the figure, A is an electric toothbrush according to the present invention. As shown in FIG. 1, the electric toothbrush A has a tubular holding portion 1 with a lower end and is detachably attached to the tip side of the holding portion 1. The brush main body 2 is provided so as to protrude.
【０００９】 前記握持部１は、図２に示すように、電動モータ３（図７参照）を内蔵せしめ た筒状の握持部本体１ａと、該握持部本体１ａの下端開口を閉塞すべく連結され て中に電池４を保持せしめる電池ケース１ｂとを備えてなり、また、該電池ケー ス１ｂは、左右方向に（詳しくは円周方向に沿って）回動されることにより接続 端子１ｂ1 が変位してオン、オフ切り換えとなる所謂、回転式スイッチを構成す るものである。更に、前記握持部本体１ａの頂部には着脱自在に装着された後述 のカラー１ｃを介して駆動軸５が突設されている。この駆動軸５は、下端側が前 記電動モータ３の回転軸３ａと連動され、上端側が前記ブラシ本体２に連結され るもので、前記回転軸３ａに装着された偏心錘３ｂ（図７参照）の偏心作用によ り振幅運動（揺動）に変換された前記モータ３の回転力を前記ブラシ本体２に連 動せしめるものである。As shown in FIG. 2, the grip portion 1 closes a cylindrical grip portion main body 1a in which an electric motor 3 (see FIG. 7) is incorporated and a lower end opening of the grip portion main body 1a. And a battery case 1b for holding the battery 4 therein. The battery case 1b is connected by being rotated in the left-right direction (specifically, along the circumferential direction). This constitutes a so-called rotary switch in which the terminal 1b 1 is displaced to switch on and off. Further, a drive shaft 5 is projectingly provided on the top of the grip portion main body 1a via a collar 1c, which will be described later, which is detachably mounted. The drive shaft 5 is such that the lower end side is interlocked with the rotating shaft 3a of the electric motor 3 and the upper end side is connected to the brush main body 2, and the eccentric weight 3b mounted on the rotating shaft 3a (see FIG. 7). The rotative force of the motor 3 converted into an amplitude motion (oscillation) by the eccentric action of the above is caused to be linked to the brush main body 2.
【００１０】 一方、前記ブラシ本体２は、図３に示すように、上端側に植毛部２ａを備え、 下端側に前記駆動軸５を結合せしめる連結部２ｂを形成している。この連結部２ ｂは、下方が前記ブラシ本体２の下端面に開放すべく凹設された嵌合孔６と、該 嵌合孔６内に形成された取付孔７とを兼備している。該取付孔７は、前記駆動軸 ５が圧接嵌合できるように同軸の断面形状と整合されているもので前記ブラシ本 体２の内壁面から遊離すべく内設された断面円弧状の隔壁８で成形されている（ 図４(Ｂ)参照）。また、斯かる隔壁８には、該隔壁８を二等分するスリット８ａ が同心方向に延設されているもので、該スリット８ａで分割された隔壁片８ｂ， ８ｂの外周面側にはそれぞれ前記ブラシ本体２の内壁面と連接する突状片８ｃ， ８ｃを介在せしめている。更に、この隔壁片８ｂ，８ｂの内周面側には、前記取 付孔７内に向けて突出した係合片９，９が内設されており、同ブラシ本体２を前 記駆動軸５に取り付けた際に、同駆動軸５の先端小径部５ａ（図５参照）と圧接 嵌合されて同ブラシ本体２の無意味な回動を阻止せしめるものである。On the other hand, as shown in FIG. 3, the brush main body 2 is provided with a bristle portion 2a on the upper end side and a connecting portion 2b for connecting the drive shaft 5 on the lower end side. The connecting portion 2b has a fitting hole 6 which is recessed so that the lower part thereof is open to the lower end surface of the brush main body 2, and a mounting hole 7 formed in the fitting hole 6. The mounting hole 7 is aligned with the coaxial cross-sectional shape so that the drive shaft 5 can be press-fitted, and is a partition wall 8 having an arc-shaped cross section which is internally provided so as to be separated from the inner wall surface of the brush main body 2. It has been molded with (see FIG. 4 (B)). In addition, a slit 8a that divides the partition wall 8 into two equal parts is concentrically provided in the partition wall 8, and the partition walls 8b and 8b divided by the slit 8a are provided on the outer peripheral surface side, respectively. The protruding pieces 8c, 8c that are connected to the inner wall surface of the brush body 2 are interposed. Further, engagement pieces 9 and 9 projecting toward the inside of the mounting hole 7 are provided on the inner peripheral surface side of the partition wall pieces 8b and 8b, and the brush main body 2 is attached to the drive shaft 5 described above. When the brush body 2 is attached to the drive shaft 5, it is press-fitted to the tip small diameter portion 5a (see FIG. 5) of the drive shaft 5 to prevent meaningless rotation of the brush body 2.
【００１１】 他方、前記駆動軸５を支持するカラー１ｃは、図６に示すように、上下方向に 連通した短円筒状を呈しており、その上端側に前記駆動軸５を嵌合保持せしめる 縦穴式の軸筒１ｃ1 を内設している。また、このカラー１ｃの下端を構成するス カート部１ｃ2 の外周面には、前記握持部１ａの係合凹部（図示せず）と着脱自 在に嵌合される係合突起１ｃ3 ，１ｃ3 が突設されており、その下方側に環状の シールド部材１ｃ4 が挿着されている。尚、前記軸筒１ｃ1 の外周面には、カラ ー１ｃの内壁面と連接する四方配置の翼片１ｃ5 ，１ｃ5 …が突設されており、 該軸筒１ｃ1 の下端面に形成された軸孔１ｃ6 を同心位置に保持すべく補強して いる（図６(Ｃ)参照）。On the other hand, as shown in FIG. 6, the collar 1c that supports the drive shaft 5 is in the form of a short cylinder that communicates in the vertical direction, and has a vertical hole that fits and holds the drive shaft 5 on the upper end side thereof. The shaft cylinder 1c 1 of the formula is internally provided. Further, on the outer peripheral surface of the scart portion 1c 2 which constitutes the lower end of the collar 1c, an engaging projection 1c 3 which is detachably fitted with an engaging concave portion (not shown) of the grip portion 1a, 1c 3 is projected, and an annular shield member 1c 4 is attached to the lower side thereof. Incidentally, the the outer circumferential surface of the shaft tube 1c 1 is wings 1c of the four-way arrangement 5 which connects with the inner wall surface of the-collar 1c, 1c 5 ... are protruded, formed on the lower end surface of the shaft tube 1c 1 reinforces to hold the shaft hole 1c 6 which is concentrically position (see FIG. 6 (C)).
【００１２】 このように構成される本考案の電動歯ブラシＡは、前記電池ケース１ｂをオン 側に回動させると、前記電動モータ３が起動して前記回転軸３ａが偏心錘３ｂの 作用で偏心運動をなし、斯かる偏心運動が前記駆動軸５に連動されて前記ブラシ 本体２を揺動せしめるものである。In the electric toothbrush A of the present invention having such a structure, when the battery case 1b is turned to the on side, the electric motor 3 is activated and the rotating shaft 3a is eccentric by the action of the eccentric weight 3b. The brush main body 2 is caused to move, and the eccentric motion is interlocked with the drive shaft 5 to swing the brush main body 2.
【００１３】 尚、本考案の電動歯ブラシＡは本実施例に限定されることなく、本考案の目的 の範囲内で自由に設計変更し得るものであり、本考案はそれらの全てを包摂する ものである。例えば、本実施例にあっては隔壁片８ｂの外周面には突状片８ｃを 一個しか介在していないが、これに限定されることなく、複数個の突状片８ｃを 介在させても良く、また、前記スリット８ａの数や前記隔壁片８ｂの形状等は駆 動軸５との形状や大きさに応じて適宜変更され得るものである。更に、本実施例 にあっては前記電動モータ３の回転軸３ａの上端と前記駆動軸５の下端とを接合 させることにより両部材を連動せしめているが、これに限定されることなく、前 記駆動軸５の下端側を前記偏心錘３ｂに接続させて前記ブラシ本体２を揺動させ ても良いものであり、如何なる連動手段をも用い得るものである。また、前記駆 動軸５と前記取付孔７との大きさを予め規格成形しておけば、種々なブラシ本体 ２が使用できることは云うまでもない。The electric toothbrush A of the present invention is not limited to this embodiment, and can be freely modified in design within the scope of the present invention, and the present invention includes all of them. Is. For example, in this embodiment, only one protruding piece 8c is provided on the outer peripheral surface of the partition wall piece 8b, but the invention is not limited to this, and a plurality of protruding pieces 8c may be provided. Also, the number of the slits 8a, the shape of the partition wall pieces 8b, and the like can be appropriately changed according to the shape and size of the drive shaft 5. Further, in the present embodiment, both members are interlocked by joining the upper end of the rotary shaft 3a of the electric motor 3 and the lower end of the drive shaft 5, but the present invention is not limited to this. The lower end side of the drive shaft 5 may be connected to the eccentric weight 3b to swing the brush body 2, and any interlocking means may be used. Needless to say, various brush bodies 2 can be used if the sizes of the drive shaft 5 and the mounting hole 7 are standardly molded in advance.
【００１４】[0014]
本考案は上述のように構成され、前記駆動軸に嵌合せしめる取付孔が、前記ブ ラシ本体の内壁面から遊離すべく内設された隔壁で形成されると共に、該隔壁の 所望位置に少なくとも一以上のスリットを設けたことによって、前記ブラシ本体 の表面上に前記スリットが現出することなく前記モータの駆動軸と前記ブラシ本 体とが接続されるため、外観を悪戯に損ねることもなく、また、斯かる接続部分 には前記ブラシ本体の内壁面が被装されることも相俟って、使用中に歯磨粉など が同接続部分に流入することもないため、従来の如き、使用中による歯磨粉のス リット内への流入や、埃塵・水垢の滞留等々といった従来の問題を解消できるこ ととなった。更に、前記スリットで分割された隔壁片の外周面側に前記ブラシ本 体の内壁面と連接する突状片を介在せしめたことによって、前記隔壁片の弾性力 を失うことなくして前記取付孔の拡径作用、すなわち、前記隔壁片を弾性変形さ せることによって前記駆動軸を前記取付孔内に圧接係合せしめるといった前記握 持部と前記ブラシ本体との連結操作の反復により、前記隔壁片が外方に拡径され てしまうといった不都合を有効的に阻止し得る電動歯ブラシを提供できることと なった。 The present invention is configured as described above, and the mounting hole to be fitted to the drive shaft is formed by the partition wall provided so as to be separated from the inner wall surface of the brush body, and at least at a desired position of the partition wall. By providing one or more slits, the drive shaft of the motor and the brush main body are connected without the slits appearing on the surface of the brush main body, so that the appearance is not spoiled. In addition, since the inner wall surface of the brush main body is covered on the connecting portion, toothpaste or the like does not flow into the connecting portion during use, so that the conventional use It is possible to solve the conventional problems such as the inflow of toothpaste into the slit due to the inside and the accumulation of dust and scale. Further, by inserting a projecting piece connected to the inner wall surface of the brush main body on the outer peripheral surface side of the partition wall piece divided by the slit, the elastic force of the partition wall piece is not lost and the mounting hole By expanding the diameter, that is, by repeating the connecting operation of the grip portion and the brush main body such that the drive shaft is press-fitted into the mounting hole by elastically deforming the partition wall piece, the partition wall piece is removed. It has become possible to provide an electric toothbrush that can effectively prevent the inconvenience of expanding the diameter outward.
【００１５】 このように本考案の電動歯ブラシは、外観を損ねることなく前記握持部と前記 ブラシ本体とが確実に接続できると共に、斯かる接続部分に水や歯磨粉が流入す ることがないなど防水性に優れ、しかも構成が単純であるため大量生産に適し、 価格も低廉なものとして需要者に供給できる等、本考案を実施することはその実 益的価値が甚だ大なるものがある。As described above, in the electric toothbrush of the present invention, the grip portion and the brush main body can be securely connected to each other without impairing the appearance, and water or toothpaste does not flow into the connection portion. It has excellent waterproofness, and its simple structure makes it suitable for mass production, and it can be supplied to users as a low-priced product. Therefore, the practical value of implementing the present invention is extremely great.
図面は本考案の実施の一例を示すもので、 The drawings show an example of the implementation of the present invention.
【図１】本考案に係る電動歯ブラシの斜視図である。FIG. 1 is a perspective view of an electric toothbrush according to the present invention.
【図２】同電動歯ブラシの一部分解正面図である。FIG. 2 is a partially exploded front view of the electric toothbrush.
【図３】図３（Ａ）は本実施例で使用するブラシ本体の
一部切欠側面図、図３（Ｂ）は同背面図、図３（Ｃ）は
同端面図である。3A is a partially cutaway side view of a brush main body used in this embodiment, FIG. 3B is a rear view thereof, and FIG. 3C is an end view thereof.
【図４】図４（Ａ）は同ブラシ本体の連結部を示す一部
切欠断面図、図４（Ｂ）は同端面図である。FIG. 4 (A) is a partially cutaway sectional view showing a connecting portion of the brush main body, and FIG. 4 (B) is an end view thereof.
【図５】同ブラシ本体の連結部と駆動軸との連結方向を
示す説明図である。FIG. 5 is an explanatory view showing a connecting direction between a connecting portion of the brush main body and a drive shaft.
【図６】図６（Ａ）は本実施例で使用するカラーの平面
図、図６（Ｂ）は同正面図、図６（Ｃ）は同底面図、図
６（Ｄ）は図６（Ｂ）の縦断面図である。6A is a plan view of a collar used in this embodiment, FIG. 6B is a front view thereof, FIG. 6C is a bottom view thereof, and FIG. It is a longitudinal cross-sectional view of B).
【図７】本考案に係る電動歯ブラシの縦断面図である。FIG. 7 is a vertical sectional view of an electric toothbrush according to the present invention.
【図８】従来の電動歯ブラシを示す一部断面図である。FIG. 8 is a partial cross-sectional view showing a conventional electric toothbrush.
Ａ 電動歯ブラシ １ 握持部 １ａ 握持部本体 １ｂ 電池ホルダー １ｃ カラー １ｃ1 軸筒 １ｃ2 スカート部 １ｃ3 係合突起 １ｃ4 シールド部材 １ｃ5 翼片 １ｃ6 軸孔 ２ ブラシ本体 ２ａ 植毛部 ２ｂ 連結部 ３ 電動モータ ４ 電池 ５ 駆動軸 ５ａ 先端小径部 ６ 嵌合孔 ７ 取付孔 ８ 隔壁 ８ａ スリット ８ｂ 隔壁片 ８ｃ 突状片 ９ 係合片A Electric toothbrush 1 Gripping portion 1a Gripping portion main body 1b Battery holder 1c Color 1c 1 Shaft cylinder 1c 2 Skirt portion 1c 3 Engaging protrusion 1c 4 Shield member 1c 5 Wing 1c 6 Shaft hole 2 Brush body 2a Flocking portion 2b Connection Part 3 Electric motor 4 Battery 5 Drive shaft 5a Tip small diameter part 6 Fitting hole 7 Mounting hole 8 Partition 8a Slit 8b Partition piece 8c Projection piece 9 Engagement piece
Claims (1)
部と、該握持部の先端に突出された駆動軸と、該駆動軸
に着脱自在に装着されたブラシ本体とを備え、前記電動
モータの回転力をブラシ本体の揺動に変換すべく連動し
てなる電動歯ブラシにおいて、前記ブラシ本体は、前記
駆動軸に嵌合せしめる取付孔が前記ブラシ本体の内壁面
から遊離すべく内設された隔壁で形成されると共に、該
隔壁の所望位置に少なくとも一以上のスリットを設け、
かつ、該スリットで分割された隔壁片の外周面側に、前
記ブラシ本体の内壁面と連接する突状片を介在せしめた
ことを特徴とする電動歯ブラシ。1. A gripping portion having a tubular shape with a built-in electric motor, a drive shaft projecting from a tip of the gripping portion, and a brush body detachably mounted on the drive shaft. In an electric toothbrush which is interlocked to convert the rotational force of the electric motor into swing of the brush main body, the brush main body is such that an attachment hole for fitting the drive shaft is free from an inner wall surface of the brush main body. It is formed by an internal partition, and at least one slit is provided at a desired position of the partition,
An electric toothbrush characterized in that a protruding piece connected to the inner wall surface of the brush body is interposed on the outer peripheral surface side of the partition wall piece divided by the slit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10839991U JPH0548723U (en) | 1991-12-05 | 1991-12-05 | electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10839991U JPH0548723U (en) | 1991-12-05 | 1991-12-05 | electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0548723U true JPH0548723U (en) | 1993-06-29 |
Family
ID=14483776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10839991U Pending JPH0548723U (en) | 1991-12-05 | 1991-12-05 | electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0548723U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013085776A (en) * | 2011-10-19 | 2013-05-13 | Panasonic Corp | Oral hygiene equipment |
| JP2013085774A (en) * | 2011-10-19 | 2013-05-13 | Panasonic Corp | Oral hygiene device |
| JP2013106864A (en) * | 2011-11-22 | 2013-06-06 | Panasonic Corp | Oral hygiene device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5426937A (en) * | 1977-08-02 | 1979-02-28 | Kawasaki Steel Corp | Coating material for welding material |
-
1991
- 1991-12-05 JP JP10839991U patent/JPH0548723U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5426937A (en) * | 1977-08-02 | 1979-02-28 | Kawasaki Steel Corp | Coating material for welding material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013085776A (en) * | 2011-10-19 | 2013-05-13 | Panasonic Corp | Oral hygiene equipment |
| JP2013085774A (en) * | 2011-10-19 | 2013-05-13 | Panasonic Corp | Oral hygiene device |
| JP2013106864A (en) * | 2011-11-22 | 2013-06-06 | Panasonic Corp | Oral hygiene device |
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