JP2003000486A - Rotating rotor of floor nozzle for vacuum cleaner - Google Patents
Rotating rotor of floor nozzle for vacuum cleanerInfo
- Publication number
- JP2003000486A JP2003000486A JP2001226801A JP2001226801A JP2003000486A JP 2003000486 A JP2003000486 A JP 2003000486A JP 2001226801 A JP2001226801 A JP 2001226801A JP 2001226801 A JP2001226801 A JP 2001226801A JP 2003000486 A JP2003000486 A JP 2003000486A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- cleaning body
- cleaning
- vacuum cleaner
- floor nozzle
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
- A47L9/0466—Rotating tools
- A47L9/0477—Rolls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、掃除機のアタッチ
メントとして使用される床ノズルに内蔵される回転ロー
タに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary rotor incorporated in a floor nozzle used as an attachment of a vacuum cleaner.
【０００２】[0002]
【従来の技術】図５に従来の回転ロータを示す。図にお
いて、５１は回転ロータで回転ロータを構成するロータ
５２を金属製の円柱状とし、その外周に開口する複数の
支持溝５３に清掃体５４を挿入固定し、ロータ５２を軸
の周りに捩りを加えて清掃体５４を螺旋状とし、ロータ
５２の両端部に各々従動プーリ５５及び軸５６を一体に
有する従動側ブラケット５７、軸５６を一体に有する遊
び側ブラケット５８を固着し、さらにその外側にはワッ
シャ５９を介して軸受け６０を圧入保持した軸受けホル
ダー６１が取り付けられ、回転自在に軸支された状態に
組み立てられている。2. Description of the Related Art FIG. 5 shows a conventional rotary rotor. In the figure, reference numeral 51 designates a rotating rotor, and the rotor 52 constituting the rotating rotor is made of a metal cylinder, and a cleaning member 54 is inserted and fixed in a plurality of support grooves 53 opening at the outer periphery thereof, and the rotor 52 is twisted around an axis. The cleaning member 54 has a spiral shape, and a driven side bracket 57 integrally having a driven pulley 55 and a shaft 56 and a play side bracket 58 integrally having a shaft 56 are fixed to both ends of the rotor 52, and further outside thereof. A bearing holder 61, in which a bearing 60 is press-fitted and held, is attached via a washer 59, and is assembled in a state of being rotatably supported.
【０００３】このように構成した従来の掃除機用床ノズ
ルの回転ロータ５１を回転させると清掃体５４が床面を
擦り、床面にある塵埃をかき上げて、清掃効果を発揮す
るものである。When the rotary rotor 51 of the conventional floor nozzle for a vacuum cleaner constructed as described above is rotated, the cleaning body 54 rubs the floor surface and scrapes up the dust on the floor surface to exert a cleaning effect. .
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記の
ように構成した掃除機用床ノズルの回転ロータ５１によ
れば、回転ロータ５１は、ロータ５２を金属製の円柱状
とし、その外周に開口する複数の支持溝５３に清掃体５
４を挿入固定し、ロータ５２を軸の周りに捩りを加えて
清掃体５４を螺旋状としている。そのため、ロータ５２
は、その外周に開口する複数の支持溝５３を有する金属
製の円柱状に加工後、捩りを加える加工を必要としてい
る。したがって、ロータ５２は、加工が複雑であり、か
つ回転時の心振れ等の加工精度が良くないという課題を
有していた。However, according to the rotary rotor 51 of the floor nozzle for a vacuum cleaner configured as described above, the rotary rotor 51 has a rotor 52 made of a metal column and has an opening on the outer periphery thereof. The cleaning body 5 is provided in the plurality of support grooves 53.
4 is inserted and fixed, and the rotor 52 is twisted around the shaft to make the cleaning body 54 spiral. Therefore, the rotor 52
Requires a process of adding a twist after processing into a metal cylinder having a plurality of support grooves 53 opening on the outer periphery thereof. Therefore, the rotor 52 has problems that the processing is complicated and the processing accuracy such as runout during rotation is not good.
【０００５】本発明は、上記のような問題を解決するた
めになされたもので、回転ロータの加工を簡単にし、か
つ回転時の心振れ等の加工精度を向上させることのでき
る回転ロータを提供することを目的としている。The present invention has been made to solve the above problems, and provides a rotary rotor which simplifies the processing of the rotary rotor and can improve the processing accuracy such as runout during rotation. The purpose is to do.
【０００６】[0006]
【課題を解決するための手段】本発明にかかる掃除機用
床ノズルの回転ロータは、次のように構成したものであ
る。
（１）底面に塵埃を吸引するための横長の開口を有する
本体ケースに、回転ロータを前記開口の近傍に備えた掃
除機用床ノズルにおいて、前記回転ロータはロータ及び
清掃体からなり、前記清掃体は外周部に清掃片を有する
と共に、前記清掃体が前記ロータの外周部に形成される
ように、前記ロータにたいして前記清掃体をインサート
成形したものである。
（２）上記（１）の掃除機用床ノズルの回転ロータにお
いて、ロータは円柱形状を形成し、清掃片が前記ロータ
の軸の周りに所定の角度捩りを加えた位置に形成される
ように、前記ロータにたいして前記清掃体をインサート
成形したものである。
（３）上記（１）及び（２）の掃除機用床ノズルの回転
ロータにおいて、ロータの外周部に、清掃体の位置ずれ
防止部が形成されてあるものである。A rotary rotor for a floor nozzle for a vacuum cleaner according to the present invention is constructed as follows. (1) In a floor nozzle for a vacuum cleaner, in which a rotating rotor is provided in the vicinity of the opening in a main body case having a horizontally long opening for sucking dust on the bottom surface, the rotating rotor includes a rotor and a cleaning body, and the cleaning is performed. The body has a cleaning piece on the outer peripheral portion, and the cleaning body is insert-molded on the rotor so that the cleaning body is formed on the outer peripheral portion of the rotor. (2) In the rotary rotor for a floor nozzle for a vacuum cleaner according to (1) above, the rotor has a cylindrical shape, and the cleaning piece is formed at a position where a predetermined angle is twisted around the rotor axis. The cleaning body is insert-molded with respect to the rotor. (3) In the rotary rotor of the floor nozzle for a vacuum cleaner according to (1) and (2) above, a position deviation prevention portion for the cleaning body is formed on the outer peripheral portion of the rotor.
【０００７】[0007]
【発明の実施の形態】実施の形態１
図１から図２に実施の形態１を示す。図１は本発明の回
転ロータの斜視図である。図１において、１は回転ロー
タ、２はロータ、３は清掃体、４は金型分割線、５は清
掃片である。図２は回転ロータの正面図である。本発明
の回転ロータは図１の如く、ロータ２、清掃体３より構
成されてある。ロータ２は、円柱形状であり、ロータ２
の外周部には、円周方向４等分の位置に清掃片５を有す
る清掃体３が形成されてある。また、回転ロータ１は、
樹脂成形金型の内部に、ロータ２を設置後、樹脂を金型
に充填することにより、ロータ２にたいして、清掃体３
が一体的に形成される。上記の成形方法は、通常、イン
サート成形と呼ばれている。また、この実施の形態にお
いては、樹脂成形金型に、図２の如く４箇所の金型分割
線４にて分割される構造を有する樹脂成形金型を使用し
ている。BEST MODE FOR CARRYING OUT THE INVENTION First Embodiment A first embodiment is shown in FIGS. FIG. 1 is a perspective view of a rotating rotor of the present invention. In FIG. 1, 1 is a rotating rotor, 2 is a rotor, 3 is a cleaning body, 4 is a mold parting line, and 5 is a cleaning piece. FIG. 2 is a front view of the rotary rotor. As shown in FIG. 1, the rotating rotor of the present invention is composed of a rotor 2 and a cleaning body 3. The rotor 2 has a cylindrical shape, and the rotor 2
A cleaning body 3 having cleaning pieces 5 is formed on the outer periphery of the cleaning body 3 at positions equally divided into four in the circumferential direction. Further, the rotary rotor 1 is
After the rotor 2 is installed inside the resin molding die, the resin is filled into the die, so that the cleaning body 3 can be attached to the rotor 2.
Are integrally formed. The above molding method is usually called insert molding. Further, in this embodiment, as the resin molding die, as shown in FIG. 2, a resin molding die having a structure that is divided by four mold dividing lines 4 is used.
【０００８】実施の形態１の回転ロータは、上記の如く
構成されてある為、ロータの加工を簡単、かつ安価にす
る事ができる。また、回転ロータは、インサート成形に
て形成されてある為、ロータにたいして清掃体を組みつ
ける事が無く、組みつけ費用が必要無い。さらにまた、
ロータに捩りを加えていない為、回転ロータの、回転時
の心振れ等の精度を向上できる。Since the rotary rotor of the first embodiment is constructed as described above, the rotor can be machined easily and at low cost. Further, since the rotary rotor is formed by insert molding, there is no need to assemble a cleaning body to the rotor, and no assembly cost is required. Furthermore,
Since the rotor is not twisted, the accuracy of the runout of the rotary rotor during rotation can be improved.
【０００９】実施の形態２
図３から図４に実施の形態２を示す。図３は本発明の回
転ロータの斜視図である。図３において、１１は回転ロ
ータ、１２はロータ、１３は清掃体、１４は金型分割
線、１５は清掃片である。図４は回転ロータの正面図で
ある。本発明の回転ロータは図３の如く、ロータ１２、
清掃体１３より構成されてある。ロータ１２は、円柱形
状であり、ロータ１２の外周部には、ロータ１２の軸の
周りに所定の角度捩りを加えた位置に連続的に形成され
た清掃片１５を有する清掃体１３が形成されてある。ま
た、回転ロータ１１は、樹脂成形金型の内部に、ロータ
１２を設置後、樹脂を金型に充填することにより、ロー
タ１２にたいして、清掃体１３が一体的に形成される。
また、この実施の形態においては、樹脂成形金型に、図
４の如く４箇所の金型分割線１４にて分割される構造を
有する樹脂成形金型を使用している。Embodiment 2 FIG. 3 to FIG. 4 show Embodiment 2. FIG. 3 is a perspective view of the rotating rotor of the present invention. In FIG. 3, 11 is a rotating rotor, 12 is a rotor, 13 is a cleaning body, 14 is a mold dividing line, and 15 is a cleaning piece. FIG. 4 is a front view of the rotary rotor. As shown in FIG. 3, the rotary rotor according to the present invention has a rotor 12,
It is composed of a cleaning body 13. The rotor 12 has a cylindrical shape, and a cleaning body 13 having a cleaning piece 15 continuously formed is formed on the outer peripheral portion of the rotor 12 at a position where a predetermined angle of twist is applied around the axis of the rotor 12. There is. Further, in the rotary rotor 11, the cleaning body 13 is integrally formed on the rotor 12 by installing the rotor 12 inside the resin molding die and then filling the resin with the die.
Further, in this embodiment, as the resin molding die, a resin molding die having a structure divided by four mold dividing lines 14 as shown in FIG. 4 is used.
【００１０】実施の形態２の回転ロータは、上記の如
く、ロータの軸の周りに所定の角度捩りを加えた位置に
連続的に形成された清掃片を有する清掃体が形成されて
あると共に、ロータに捩りを加えていない為、清掃片が
効率良く、塵埃等を清掃すると共に、回転ロータの、回
転時の心振れ等の精度を向上できる。As described above, the rotating rotor according to the second embodiment is provided with a cleaning member having a cleaning piece continuously formed at a position where a predetermined angle of twist is applied around the rotor shaft. Since the rotor is not twisted, the cleaning piece can efficiently clean dust and the like, and can improve the accuracy of the runout of the rotating rotor such as runout.
【００１１】実施の形態３
図５から図６に実施の形態３を示す。図５は本発明の回
転ロータの斜視図である。図５において、２１は回転ロ
ータ、２２はロータ、２３は清掃体、２４は金型分割
線、２５は清掃片である。図６はロータの斜視図であ
る。本発明の回転ロータは図５の如く、ロータ２２、清
掃体２３より構成されてある。ロータ２２は、円柱形状
であり、ロータ２２の外周部には、円周方向４等分の位
置に清掃片２５を有する清掃体２３が形成されてある。
また、ロータ２２は図６の如く、外周部に、概小判型形
状の溝を有する位置ずれ防止部６が、複数箇所形成され
てある。さらにまた、回転ロータ２１は、樹脂成形金型
の内部に、ロータ２２を設置後、樹脂を金型に充填する
ことにより、ロータ２２にたいして、清掃体２３が一体
的に形成される。この実施の形態においては、樹脂成形
金型に、図５の如くの金型分割線２４にて分割される構
造を有する樹脂成形金型を使用している。Third Embodiment FIG. 5 to FIG. 6 show the third embodiment. FIG. 5 is a perspective view of the rotating rotor of the present invention. In FIG. 5, 21 is a rotating rotor, 22 is a rotor, 23 is a cleaning body, 24 is a mold parting line, and 25 is a cleaning piece. FIG. 6 is a perspective view of the rotor. As shown in FIG. 5, the rotary rotor of the present invention is composed of a rotor 22 and a cleaning body 23. The rotor 22 has a columnar shape, and a cleaning body 23 having a cleaning piece 25 is formed on the outer peripheral portion of the rotor 22 at positions equally divided into four in the circumferential direction.
Further, as shown in FIG. 6, the rotor 22 is provided with a plurality of position deviation preventing portions 6 each having an approximately oval groove on its outer peripheral portion. Furthermore, in the rotary rotor 21, a cleaning body 23 is integrally formed with the rotor 22 by installing the rotor 22 inside a resin molding die and then filling the resin with the die. In this embodiment, a resin molding die having a structure divided by a mold dividing line 24 as shown in FIG. 5 is used as the resin molding die.
【００１２】実施の形態３の回転ロータは、上記の如く
構成されてある為、概小判型形状の位置ずれ防止部の内
部まで、清掃体の樹脂が充填される事により、回転ロー
タの、回転時に、清掃体の位置ずれが発生する事無く、
かつ、心振れ等の精度を向上できる。Since the rotating rotor according to the third embodiment is configured as described above, the resin of the cleaning member is filled up to the inside of the position shift prevention portion having the substantially oval shape, thereby rotating the rotating rotor. Occasionally, the position of the cleaning body does not shift,
At the same time, it is possible to improve the accuracy of the runout.
【００１３】なお、本発明の回転ロータは、ロータが円
柱形状に形成されてあるが、回転時の心振れ等の精度を
向上させる事ができるものであるなら、円筒形状等であ
っても、何ら支障は無い。また、清掃体の位置ずれ防止
部の形状についても、概小判型形状の溝が形成されてあ
るが、位置ずれを防止できるものであるなら、突起等の
形状であっても、何ら支障は無い。The rotor of the present invention is formed in a cylindrical shape. However, if the rotor can be improved in accuracy such as runout during rotation, it may have a cylindrical shape. There is no problem. Also, regarding the shape of the position deviation prevention portion of the cleaning body, a groove having an approximately oval shape is formed, but as long as the position deviation can be prevented, there is no problem even if the shape is a protrusion or the like. .
【００１４】[0014]
【発明の効果】以上の説明から明らかなように、本発明
の掃除機用床ノズルは次に示すような効果を得ることが
できる。なお、説明に当たっては、請求項の番号と同じ
番号を付して説明する。As is clear from the above description, the floor nozzle for a vacuum cleaner of the present invention can obtain the following effects. In the description, the same numbers as the claims are attached.
【００１５】（１）ロータの加工を簡単、かつ安価にす
る事ができる。また、回転ロータは、インサート成形に
て形成されてある為、ロータにたいして清掃体を組みつ
ける事が無く、組みつけ費用が必要無い。さらにまた、
ロータに捩りを加えていない為、回転ロータの、回転時
の心振れ等の精度を向上できる。(1) The processing of the rotor can be made simple and inexpensive. Further, since the rotary rotor is formed by insert molding, there is no need to assemble a cleaning body to the rotor, and no assembly cost is required. Furthermore,
Since the rotor is not twisted, the accuracy of the runout of the rotary rotor during rotation can be improved.
【００１６】（２）ロータの軸の周りに所定の角度捩り
を加えた。位置に連続的に形成された清掃片を有する清
掃体が形成されてあると共に、ロータに捩りを加えてい
ない為、清掃片が効率良く、塵埃等を清掃すると共に、
回転ロータの、回転時の心振れ等の精度を向上できる。(2) A predetermined angle of twist is applied around the rotor shaft. A cleaning element having a cleaning piece continuously formed at the position is formed, and since the rotor is not twisted, the cleaning piece efficiently cleans dust and the like, and
It is possible to improve the accuracy of the runout of the rotating rotor such as runout.
【００１７】（３）概小判型形状の位置ずれ防止部の内
部まで、清掃体の樹脂が充填される事により、回転ロー
タの、回転時に、清掃体の位置ずれが発生する事無く、
かつ、心振れ等の精度を向上できる。(3) The resin of the cleaning body is filled up to the inside of the generally oval-shaped displacement prevention section, so that the cleaning body is not displaced when the rotary rotor rotates.
At the same time, it is possible to improve the accuracy of the runout.
【図１】 本発明の実施の形態１の回転ロータの斜視図
である。FIG. 1 is a perspective view of a rotating rotor according to a first embodiment of the present invention.
【図２】 本発明の実施の形態１の回転ロータの正面図
である。FIG. 2 is a front view of the rotating rotor according to the first embodiment of the present invention.
【図３】 本発明の実施の形態２の回転ロータの斜視図
である。FIG. 3 is a perspective view of a rotating rotor according to a second embodiment of the present invention.
【図４】 本発明の実施の形態２の回転ロータの正面図
である。FIG. 4 is a front view of a rotating rotor according to a second embodiment of the present invention.
【図５】 本発明の実施の形態３の回転ロータの斜視図
である。FIG. 5 is a perspective view of a rotating rotor according to a third embodiment of the present invention.
【図６】 本発明の実施の形態３のロータの斜視図であ
る。FIG. 6 is a perspective view of a rotor according to a third embodiment of the present invention.
【図７】 従来の回転ロータの断面図である。FIG. 7 is a sectional view of a conventional rotary rotor.
１、１１、２１、５１ 回転ロータ ２、１２、２２、
５２ ロータ
３、１３、２３、５４ 清掃体 ４、１４、２４ 金型
分割線
５、１５、２５ 清掃片 ６ 位置ずれ防止部 ５３
支持溝
５５ 従動プーリ ５６ 軸 ５７ 従動側ブラケット
５８ 遊び側ブラケット ５９ ワッシャ ６０ 軸受
け
６１ 軸受けホルダー1, 11, 21, 51 rotating rotors 2, 12, 22,
52 rotors 3, 13, 23, 54 cleaning bodies 4, 14, 24 mold parting lines 5, 15, 25 cleaning pieces 6 misalignment prevention portion 53
Support groove 55 Driven pulley 56 Shaft 57 Driven side bracket 58 Play side bracket 59 Washer 60 Bearing 61 Bearing holder
Claims (3)
を有する本体ケースに、回転ロータを前記開口の近傍に
備えた掃除機用床ノズルにおいて、前記回転ロータはロ
ータ及び清掃体からなり、前記清掃体は外周部に清掃片
を有すると共に、前記清掃体が前記ロータの外周部に形
成されるように、前記ロータにたいして前記清掃体をイ
ンサート成形したことを特徴とする掃除機用床ノズルの
回転ロータ。1. A floor nozzle for a vacuum cleaner, comprising a main body case having a horizontally long opening for sucking dust on a bottom surface, and a rotary rotor provided in the vicinity of the opening, wherein the rotary rotor includes a rotor and a cleaning body. The cleaning body has a cleaning piece on the outer peripheral portion, and the cleaning body is insert-molded on the rotor so that the cleaning body is formed on the outer peripheral portion of the rotor. Rotating rotor.
ノズルの回転ロータにおいて、ロータは円柱形状を形成
し、清掃片が前記ロータの軸の周りに所定の角度捩りを
加えた位置に形成されるように、前記ロータにたいして
前記清掃体をインサート成形したことを特徴とする掃除
機用床ノズルの回転ロータ。2. The rotary rotor for a floor nozzle for a vacuum cleaner having the structure according to claim 1, wherein the rotor has a cylindrical shape, and the cleaning piece is located at a position where a predetermined angle twist is applied around the rotor shaft. A rotary rotor for a floor nozzle for a vacuum cleaner, wherein the cleaning body is insert-molded with respect to the rotor so as to be formed.
機用床ノズルの回転ロータにおいて、ロータの外周部
に、清掃体の位置ずれ防止部が形成されてあることを特
徴とする掃除機用床ノズルの回転ロータ。3. A rotary rotor for a floor nozzle for a vacuum cleaner having the structure according to claim 1 or 2, wherein a displacement preventing portion for the cleaning body is formed on an outer peripheral portion of the rotor. Rotating rotor for floor nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001226801A JP2003000486A (en) | 2001-06-20 | 2001-06-20 | Rotating rotor of floor nozzle for vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001226801A JP2003000486A (en) | 2001-06-20 | 2001-06-20 | Rotating rotor of floor nozzle for vacuum cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003000486A true JP2003000486A (en) | 2003-01-07 |
| JP2003000486A5 JP2003000486A5 (en) | 2008-12-04 |
Family
ID=19059554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001226801A Pending JP2003000486A (en) | 2001-06-20 | 2001-06-20 | Rotating rotor of floor nozzle for vacuum cleaner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003000486A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009022759A1 (en) * | 2007-08-14 | 2009-02-19 | Lg Electronics, Inc. | Vacuum cleaner having abilities for automatic moving and posture control, and method of controlling the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05285075A (en) * | 1992-04-13 | 1993-11-02 | Sanyo Electric Co Ltd | Suction device for floor |
| JPH0622887A (en) * | 1992-07-03 | 1994-02-01 | Sanyo Electric Co Ltd | Floor suction implement |
| JPH10234629A (en) * | 1996-12-26 | 1998-09-08 | Tec Corp | Sucking port body of vacuum cleaner |
-
2001
- 2001-06-20 JP JP2001226801A patent/JP2003000486A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05285075A (en) * | 1992-04-13 | 1993-11-02 | Sanyo Electric Co Ltd | Suction device for floor |
| JPH0622887A (en) * | 1992-07-03 | 1994-02-01 | Sanyo Electric Co Ltd | Floor suction implement |
| JPH10234629A (en) * | 1996-12-26 | 1998-09-08 | Tec Corp | Sucking port body of vacuum cleaner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009022759A1 (en) * | 2007-08-14 | 2009-02-19 | Lg Electronics, Inc. | Vacuum cleaner having abilities for automatic moving and posture control, and method of controlling the same |
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