JP2006346141A - Vacuum cleaner - Google Patents

Vacuum cleaner Download PDF

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Publication number
JP2006346141A
JP2006346141A JP2005175946A JP2005175946A JP2006346141A JP 2006346141 A JP2006346141 A JP 2006346141A JP 2005175946 A JP2005175946 A JP 2005175946A JP 2005175946 A JP2005175946 A JP 2005175946A JP 2006346141 A JP2006346141 A JP 2006346141A
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Japan
Prior art keywords
dust
chamber
vacuum cleaner
filter
dust collection
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Pending
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JP2005175946A
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Japanese (ja)
Inventor
Toru Kodachi
徹 小立
Mitsuyasu Ogawa
光康 小川
Masahiro Kaji
雅弘 梶
Yasuhiro Madokoro
康広 間所
Takeshi Tanaka
剛 田中
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Priority to JP2005175946A priority Critical patent/JP2006346141A/en
Publication of JP2006346141A publication Critical patent/JP2006346141A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner with ease of handling which can reduce the frequency of dust discharging work by preventing the dust accumulated in a dust chamber from soaring and reversing through a spin chamber and advancing into a filter chamber. <P>SOLUTION: In the vacuum cleaner, a bypass path 5 communicating with the filter chamber 3 from the dust collection chamber 2 (dust chamber) built within a dust collection unit 1 is provided at a roughly flat part on the side of the dust collection chamber 2 of the filter chamber 3 or the spin chamber 4. Even when much light and voluminous dust such as cotton is contained in the dust 6 accumulated in the dust collection chamber 2, this can prevent the dust 6 accumulated in the dust collection chamber 2 from soaring and reversing through the spin chamber 4 and advancing into the filter chamber 3. This also enables the compression of the dust 6 accumulated in the dust collection chamber 2 to get more of the dust accumulated, thereby reducing the frequency of discharging the dust 6 and that of the cleaning work of the dust collection unit 1. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、吸気を旋回して塵埃を分離する遠心分離式の集塵部を備えた電気掃除機に関するものである。   The present invention relates to a vacuum cleaner provided with a centrifugal dust collecting section that swirls intake air to separate dust.

従来の遠心分離式集塵部を有した電気掃除機として、図5に示すように塵埃と吸引風を遠心力により分離する旋回室51の下部に略円筒形のフランジ部52を設け、塵埃室に堆積した塵埃が舞い上がり、旋回室を逆流してフィルタ室53へと進入するのを防止しているものがあった(例えば、特許文献1参照)。
特開2002−143052号公報
As a conventional vacuum cleaner having a centrifugal dust collecting portion, as shown in FIG. 5, a substantially cylindrical flange portion 52 is provided at a lower portion of a swirl chamber 51 for separating dust and suction air by centrifugal force. In some cases, the dust accumulated on the surface is prevented from rising and flowing back into the swirl chamber and entering the filter chamber 53 (see, for example, Patent Document 1).
JP 2002-143052 A

しかし、上記のような電気掃除機においては、塵埃室へ綿などの軽量で体積のある塵埃が蓄積された場合、使用時間が短期間で塵埃室が満杯となるため、塵埃の排出作業を頻繁に行う必要性が生じる。   However, in a vacuum cleaner such as the one described above, when light and large volume dust such as cotton is accumulated in the dust chamber, the dust chamber fills up in a short period of time. Need to do.

本発明は、上記課題を解決するもので、塵埃室での塵埃の圧縮をおこない、塵埃室に堆積した塵埃が舞い上がり、旋回室を逆流してフィルタ室へと進入するのを防止しつつ、塵埃の排出作業の回数を減らし、使い勝手の良い電気掃除機を提供することを目的とするものである。   The present invention solves the above-mentioned problem, and compresses dust in the dust chamber, so that dust accumulated in the dust chamber rises and prevents the dust from flowing back into the filter chamber and entering the filter chamber. The purpose of this is to provide a vacuum cleaner that is easy to use by reducing the number of discharge operations.

上記目的を達成するために本発明は、旋回室にバイパス通路を構成し塵埃室に負圧を発生させ、塵埃室に蓄積された塵埃を圧縮する効果を発生させることで、塵埃室へ綿などの軽量で体積のある塵埃が多く含まれる場合でも、集塵室に多くの塵埃を堆積させることが可能となる。これにより、塵埃室に堆積した塵埃が舞い上がり、旋回室を逆流してフィルタ室へと進入するのを防止しつつ、塵埃の排出作業の間隔を長くすることが可能となり、さらに、バイパス通路が平面部に構成されていることから、バイパス通路に付着した塵埃の除去が容易となり、使い勝手のより電気掃除機を提供することができる。   In order to achieve the above object, the present invention provides a bypass passage in the swirl chamber, generates a negative pressure in the dust chamber, and generates an effect of compressing the dust accumulated in the dust chamber. Even when a large amount of dust having a light weight and a large volume is contained, a large amount of dust can be accumulated in the dust collection chamber. As a result, it is possible to increase the interval between the dust discharge operations while preventing the dust accumulated in the dust chamber from rising and flowing backward in the swirl chamber and entering the filter chamber. Since it is comprised by the part, the removal of the dust adhering to a bypass channel becomes easy, and it can provide a vacuum cleaner with ease of use.

本発明の電気掃除機は、綿などの軽量で体積のある塵埃が多く含まれる場合でも、塵埃室に堆積した塵埃が舞い上がり、旋回室を逆流してフィルタ室へと進入するのを防止しつつ、集塵室に多くの塵埃を堆積させることが可能で、塵埃の排出作業の間隔を長くすることが可能となり、さらに、バイパス通路が平面部に構成されていることから、バイパス通路に付着した塵埃の除去が容易となり、使い勝手のより電気掃除機を提供することができる。   The vacuum cleaner of the present invention prevents dust accumulated in the dust chamber from rising and flowing back into the swirl chamber and entering the filter chamber even when a large amount of light and volumey dust such as cotton is contained. It is possible to accumulate a lot of dust in the dust collection chamber, it is possible to lengthen the interval of the dust discharge operation, and further, since the bypass passage is formed in a flat portion, it adheres to the bypass passage Dust can be easily removed, and a vacuum cleaner can be provided that is easier to use.

第1の発明は、吸引風を生成する電動送風機と、塵埃を前記吸引風とともに吸引する開口部を有する吸込具と、前記電動送風機と前記吸込具との間に位置し、それぞれと連通する集塵ユニットとを備え、前記集塵ユニットは、前記吸込具を介して吸引される前記塵埃と前記吸引風とを遠心力により分離する旋回室と、前記旋回室と前記電動送風機の間に位置し前記旋回室通過後の吸引風をろ過するフィルタ室と、分離された前記塵埃を蓄積する塵埃室とを有し、前記フィルタ室または前記旋回室の前記塵埃室側を略平面とし、前記平面の部分に前記塵埃室に連通するバイパス通路を備えたもので、綿などの軽量で体積のある塵埃が多く含まれる場合でも、塵埃室に堆積した塵埃が舞い上がり、旋回室を逆流してフィルタ室へと進入するのを防止しつつ、集塵室に多くの塵埃を堆積させることが可能で、塵埃の排出作業の間隔を長くすることが可能となる。また、バイパス通路がフィルタ室または旋回室の塵埃室側の平面部に構成されていることから、バイパス通路に付着した塵埃の除去が容易となる。これらにより、使い勝手のより電気掃除機を提供することができる。   1st invention is located between the electric blower which produces | generates suction | inhalation wind, the suction tool which has an opening part which attracts | sucks dust with the said suction wind, and the said electric blower, and the said suction tool, and is the communication which each communicates with A dust unit, and the dust collection unit is located between a swirl chamber that separates the dust sucked through the suction tool and the suction air by centrifugal force, and between the swirl chamber and the electric blower. A filter chamber for filtering the suction air after passing through the swirl chamber; and a dust chamber for storing the separated dust, wherein the dust chamber side of the filter chamber or the swirl chamber is a substantially flat surface, Even if there is a lot of light and bulky dust such as cotton, the part has a bypass passage that communicates with the dust chamber. And prevent entry And while, can be deposited much dust in the dust collecting chamber, it is possible to increase the interval of the discharge operations of the dust. Further, since the bypass passage is formed in the flat portion on the dust chamber side of the filter chamber or the swirl chamber, it is easy to remove dust attached to the bypass passage. Thus, it is possible to provide a vacuum cleaner that is easier to use.

第2の発明は、旋回室外周に、旋回径方向に延びる略円形のフランジ部を設けたもので、集塵室に堆積した塵埃が再度旋回室へと逆流しフィルタ室へと進入することで、フィルタ室内のフィルタ目詰まりによる吸い込み性能劣化や、塵埃のフィルタ通過による電気掃除機外部への塵埃排出を防止することが可能となる。   In the second invention, a substantially circular flange portion extending in the swirl radial direction is provided on the outer periphery of the swirl chamber, and the dust accumulated in the dust collecting chamber flows back into the swirl chamber again and enters the filter chamber. Thus, it is possible to prevent the suction performance from being deteriorated due to the filter clogging in the filter chamber, and the dust discharge to the outside of the electric vacuum cleaner due to the dust passing through the filter.

第3の発明は、旋回室下部に、旋回軸方向に延びる略円筒形のフランジ部を設けたもので、集塵室に堆積した塵埃が再度旋回室へと逆流しフィルタ室へと進入することで、フィルタ室内のフィルタ目詰まりによる吸い込み性能劣化や、塵埃のフィルタ通過による電気掃除機外部への塵埃排出を防止することが可能となる。   According to a third aspect of the present invention, a substantially cylindrical flange portion extending in the direction of the swivel axis is provided at the lower part of the swirl chamber, so that dust accumulated in the dust collection chamber flows back into the swirl chamber and enters the filter chamber. Thus, it is possible to prevent the suction performance deterioration due to the filter clogging in the filter chamber and the dust discharge to the outside of the electric vacuum cleaner due to the dust passing through the filter.

以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によってこの発明が限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments.

(実施の形態1)
以下、本発明の第1の実施の形態における電気掃除機を図1〜図3を用いて説明する。
(Embodiment 1)
Hereinafter, the vacuum cleaner in the 1st Embodiment of this invention is demonstrated using FIGS. 1-3.

図1において、吸込通路8と連通される旋回室4の中心軸にはフィルタ室3が設けられており、フィルタ室3と旋回室4の間にはナイロンメッシュからなるプレフィルタ12が取り付けられており、その内側には発泡スポンジを用いた底の閉じた円筒形のメインフィルタ11が構成されている。メインフィルタ11の内側は電動送風機14へと連通する送風機通路9となっており、吸込通路8より吸引された塵埃6aは、旋回室4へと進入し、フィルタ室3の周囲を旋回する旋回流13に乗り、ある程度の質量を持った塵埃は遠心力により旋回室4の外周部へと放り出され、旋回室4下部に構成されている集塵室2へと落下する。軽い塵埃は、フィルタ室3外周のプレフィルタ12へ吸引される力に遠心力が負け、プレフィルタ12へと向かう。繊維などの軽く大きい塵埃はプレフィルタ12を通過することができず、プレフィルタ12表面に付着するが、この付着が進行し、ある程度の大きさになると旋回流13により吹き飛ばされ、再度旋回流13に乗り、遠心分離され旋回室4外部へと放出され、集塵室(塵埃室)2へと落下する。プレフィルタ12を通過するような細塵などはメインフィルタ11で捕集され、送風機通路9には塵埃がほぼ除去された清浄な空気が流れることとなる。   In FIG. 1, a filter chamber 3 is provided at the central axis of the swirl chamber 4 communicating with the suction passage 8, and a prefilter 12 made of nylon mesh is attached between the filter chamber 3 and the swirl chamber 4. A cylindrical main filter 11 having a closed bottom using a foamed sponge is formed inside. The inside of the main filter 11 is a blower passage 9 communicating with the electric blower 14, and the dust 6 a sucked from the suction passage 8 enters the swirl chamber 4 and swirls to swirl around the filter chamber 3. The dust having a certain mass is thrown out to the outer peripheral portion of the swirl chamber 4 by centrifugal force and falls into the dust collection chamber 2 formed at the lower portion of the swirl chamber 4. The light dust loses centrifugal force against the force attracted to the prefilter 12 on the outer periphery of the filter chamber 3 and moves toward the prefilter 12. Light and large dust such as fibers cannot pass through the prefilter 12 and adhere to the surface of the prefilter 12, but when this adhesion proceeds and reaches a certain size, it is blown away by the swirling flow 13 and again swirling flow 13 , Centrifuged, discharged to the outside of the swirl chamber 4, and dropped to the dust collection chamber (dust chamber) 2. Fine dust or the like that passes through the prefilter 12 is collected by the main filter 11, and clean air from which dust is substantially removed flows through the blower passage 9.

旋回室4より遠心分離され、集塵室2へと落下した塵埃6bは、集塵室2の底に堆積するが、バイパス通路5に設けられた、不織布を用いたバイパスフィルタ部7へと流れる気流に押され、圧縮される。このバイパスフィルタ部7は旋回室4と一体成形されており、組み立ての際に接着などの工程は必要ないため、コストメリットがある。バイパスフィルタ部7を通過した細塵は、再度メインフィルタ11でろ過される。   Dust 6 b that has been centrifuged from the swirl chamber 4 and dropped into the dust collection chamber 2 is deposited on the bottom of the dust collection chamber 2, but flows to the bypass filter portion 7 using a nonwoven fabric provided in the bypass passage 5. Pressed and compressed by airflow. Since the bypass filter portion 7 is integrally formed with the swirl chamber 4 and a process such as adhesion is not required at the time of assembly, there is a cost merit. The fine dust that has passed through the bypass filter unit 7 is filtered again by the main filter 11.

バイパス通路5により、塵埃6bは集塵室2で圧縮され、旋回室4への逆流は塵埃が少ない間は起こらないが、塵埃6bが集塵室2に多く堆積してくると、バイパス通路5による圧縮効果が弱まり、また塵埃6b表面と旋回室4の出口との距離が縮まるため、塵埃6bの旋回室4への逆流が起こりやすくなるが、旋回室4の外周に設けられたフランジ部15の、旋回室4より放出された塵埃が通過する部分に開口が設けられているため、旋回室4より放出される塵埃の流れに妨げられ、一度堆積した塵埃6bが旋回室4へと逆流しにくい構成となっている。   By the bypass passage 5, the dust 6 b is compressed in the dust collection chamber 2, and the reverse flow to the swirl chamber 4 does not occur while the amount of dust is small, but if much dust 6 b accumulates in the dust collection chamber 2, the bypass passage 5 The compression effect due to the pressure is weakened, and the distance between the surface of the dust 6b and the outlet of the swirl chamber 4 is shortened. Since an opening is provided in a portion through which the dust discharged from the swirl chamber 4 passes, the dust 6b once accumulated is hindered by the flow of dust discharged from the swirl chamber 4 and flows back to the swirl chamber 4. It has a difficult structure.

図2は旋回室4のフランジ部15が下方に延びた構成を示しており、図1同様に一度堆積した塵埃6bの旋回室4への逆流を防止しているが、旋回室4から放出された塵埃が集塵室2へと落下する経路が広く取れるため、旋回室4での塵埃のつまりを防止できる効果があるが、逆流防止効果は図1の構成に比べ弱いため、求められる性能、仕様に応じて図1の方式と図2の方式を使い分けることで最適化が可能である。   FIG. 2 shows a configuration in which the flange portion 15 of the swirl chamber 4 extends downward, and the dust 6b once accumulated is prevented from flowing back into the swirl chamber 4 as in FIG. Since there is a wide path for the dust to fall into the dust collection chamber 2, there is an effect of preventing the dust from clogging in the swirl chamber 4, but the backflow prevention effect is weak compared to the configuration of FIG. Optimization is possible by properly using the method of FIG. 1 and the method of FIG. 2 according to the specification.

図3は集塵室2に堆積した塵埃6bを廃棄するために集塵ユニット1を開けた状態を示している。集塵室2以外の構成部品、つまりフィルタ室3、旋回室4、バイパス通路5はすべて蓋10へと固定されており、蓋10を集塵ユニット1からはずした状態では集塵室2の内部には塵埃6bだけが残っている状態となるため、塵埃6bの廃棄作業時に誤って必要な構成部品を廃棄してしまう恐れがない。また、バイパスフィルタ部7の表面には塵埃が付着するが、これを平滑面に構成していることで、ティッシュなどで人付記することにより容易に付着塵埃を除去することが可能である。   FIG. 3 shows a state in which the dust collection unit 1 is opened in order to discard the dust 6 b accumulated in the dust collection chamber 2. The components other than the dust collection chamber 2, that is, the filter chamber 3, the swirl chamber 4, and the bypass passage 5 are all fixed to the lid 10, and the interior of the dust collection chamber 2 is removed when the lid 10 is removed from the dust collection unit 1. Since only the dust 6b remains, there is no possibility that the necessary components are accidentally discarded when the dust 6b is discarded. Further, dust adheres to the surface of the bypass filter portion 7, but since it is formed on a smooth surface, it is possible to easily remove the adhering dust by adding a person with a tissue or the like.

図4は図1の集塵ユニット1を電気掃除機に組み込んだ様子を示しており、集塵ユニット1の上方に電動送風機14が設けられ、送風機通路9の長さを最小限に抑えることで電動送風機14の吸引力ロスを減らし、掃除機本体16下部に構成されている吸込具17での吸込性能を上げている。   FIG. 4 shows a state in which the dust collection unit 1 of FIG. 1 is incorporated in a vacuum cleaner, and an electric blower 14 is provided above the dust collection unit 1 to minimize the length of the blower passage 9. The suction force loss of the electric blower 14 is reduced, and the suction performance of the suction tool 17 formed in the lower part of the cleaner body 16 is increased.

尚、本実施の形態における図1において、吸込通路8を介して内部に吸引された吸引風は、旋回室4の外壁の縦断面が閉じた形状になっており、旋回室4内部に入っていかない印象を与えるが、この縦断面は平面方向から見ると螺旋状をしているものであり、図示はしていないが、入口部、出口部をそれぞれ有するものである。   In FIG. 1 in the present embodiment, the suction air sucked into the inside through the suction passage 8 has a shape in which the longitudinal section of the outer wall of the swirl chamber 4 is closed and enters the swirl chamber 4. This longitudinal section has a spiral shape when viewed from the plane direction, and has an inlet portion and an outlet portion, although not shown.

以上のように、本発明にかかる電気掃除機は、塵埃を圧縮しながら集塵室に堆積させるため、集塵室の容積を有効に活用できる構成を有し、小型化が求められるアプライト型電気掃除機等として有用である。   As described above, since the vacuum cleaner according to the present invention accumulates dust in the dust collection chamber while compressing dust, it has a configuration in which the volume of the dust collection chamber can be effectively used, and is an upright type electric appliance that is required to be downsized. Useful as a vacuum cleaner.

本発明の第1の実施の形態を示す電気掃除機における集塵ユニットの断面図Sectional drawing of the dust collection unit in the vacuum cleaner which shows the 1st Embodiment of this invention 同電気掃除機の集塵ユニットの別形態図Another form of dust collection unit of the vacuum cleaner 同電気掃除機の蓋を外した状態の図Illustration of the vacuum cleaner with the lid removed 同電気掃除機の全体構成図Overall configuration diagram of the vacuum cleaner 従来の電気掃除機における集塵ユニットの断面図Cross-sectional view of a dust collection unit in a conventional vacuum cleaner

符号の説明Explanation of symbols

1 集塵ユニット
2 集塵室(塵埃室)
3 フィルタ室
4 旋回室
5 バイパス通路
6 塵埃
7 バイパスフィルタ部
8 吸込通路
9 送風機通路
10 蓋
11 メインフィルタ
12 プレフィルタ
13 旋回流
14 電動送風機
15 フランジ部
16 掃除機本体
17 吸込具
1 Dust collection unit 2 Dust collection chamber (dust chamber)
DESCRIPTION OF SYMBOLS 3 Filter chamber 4 Swirling chamber 5 Bypass passage 6 Dust 7 Bypass filter part 8 Suction passage 9 Blower passage 10 Lid 11 Main filter 12 Prefilter 13 Swirling flow 14 Electric blower 15 Flange part 16 Vacuum cleaner main body 17 Suction tool

Claims (3)

吸引風を生成する電動送風機と、塵埃を前記吸引風とともに吸引する開口部を有する吸込具と、前記電動送風機と前記吸込具との間に位置し、それぞれと連通する集塵ユニットとを備え、前記集塵ユニットは、前記吸込具を介して吸引される前記塵埃と前記吸引風とを遠心力により分離する旋回室と、前記旋回室と前記電動送風機の間に位置し前記旋回室通過後の吸引風をろ過するフィルタ室と、分離された前記塵埃を蓄積する塵埃室とを有し、前記フィルタ室または前記旋回室の前記塵埃室側を略平面とし、前記平面の部分に前記塵埃室に連通するバイパス通路を備えた電気掃除機。 An electric blower that generates suction air, a suction tool that has an opening for sucking dust together with the suction air, and a dust collection unit that is located between the electric blower and the suction tool and communicates with each other. The dust collecting unit is located between the swirl chamber and the electric blower, which is located between the swirl chamber and the electric blower after separating the dust sucked through the suction tool and the suction air by centrifugal force. A filter chamber for filtering suction air; and a dust chamber for storing the separated dust, wherein the dust chamber side of the filter chamber or the swirl chamber is a substantially flat surface, and the dust chamber is placed on the flat portion. A vacuum cleaner with a bypass passage that communicates. 旋回室外周に、旋回径方向に延びる略円形のフランジ部を設けた請求項1記載の電気掃除機。 The electric vacuum cleaner according to claim 1, wherein a substantially circular flange portion extending in a swirl radial direction is provided on an outer periphery of the swirl chamber. 旋回室下部に、旋回軸方向に延びる略円筒形のフランジ部を設けた請求項1記載の電気掃除機。 The vacuum cleaner according to claim 1, wherein a substantially cylindrical flange portion extending in the direction of the swivel axis is provided at a lower portion of the swirl chamber.
JP2005175946A 2005-06-16 2005-06-16 Vacuum cleaner Pending JP2006346141A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011105562A1 (en) * 2010-02-26 2011-09-01 株式会社東芝 Dust separating/dust collecting container and electric cleaner
JP2011177295A (en) * 2010-02-26 2011-09-15 Toshiba Corp Dust separating/collecting container and vacuum cleaner
JP2011177294A (en) * 2010-02-26 2011-09-15 Toshiba Corp Dust separating/collecting container and vacuum cleaner
JP2011255196A (en) * 2011-08-15 2011-12-22 Hitachi Appliances Inc Vacuum cleaner
CN102342800A (en) * 2010-07-28 2012-02-08 株式会社东芝 Dust collector and vacuum cleaner
JP2012034951A (en) * 2010-08-10 2012-02-23 Toshiba Corp Dust separating/collecting container and vacuum cleaner
EP2724654A1 (en) * 2011-06-24 2014-04-30 Kabushiki Kaisha Toshiba Electric vacuum cleaner

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011105562A1 (en) * 2010-02-26 2011-09-01 株式会社東芝 Dust separating/dust collecting container and electric cleaner
JP2011177295A (en) * 2010-02-26 2011-09-15 Toshiba Corp Dust separating/collecting container and vacuum cleaner
JP2011177294A (en) * 2010-02-26 2011-09-15 Toshiba Corp Dust separating/collecting container and vacuum cleaner
CN102342800A (en) * 2010-07-28 2012-02-08 株式会社东芝 Dust collector and vacuum cleaner
KR101379054B1 (en) * 2010-07-28 2014-03-28 가부시끼가이샤 도시바 Dust collector and vacuum cleaner
JP2012034951A (en) * 2010-08-10 2012-02-23 Toshiba Corp Dust separating/collecting container and vacuum cleaner
EP2724654A1 (en) * 2011-06-24 2014-04-30 Kabushiki Kaisha Toshiba Electric vacuum cleaner
EP2724654A4 (en) * 2011-06-24 2015-02-18 Toshiba Kk Electric vacuum cleaner
JP2011255196A (en) * 2011-08-15 2011-12-22 Hitachi Appliances Inc Vacuum cleaner

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