US20040045125A1 - Rotary brush for vacuum cleaner - Google Patents
Rotary brush for vacuum cleaner Download PDFInfo
- Publication number
- US20040045125A1 US20040045125A1 US10/294,338 US29433802A US2004045125A1 US 20040045125 A1 US20040045125 A1 US 20040045125A1 US 29433802 A US29433802 A US 29433802A US 2004045125 A1 US2004045125 A1 US 2004045125A1
- Authority
- US
- United States
- Prior art keywords
- drum
- rotary brush
- bearing
- housing
- holder
- 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.)
- Abandoned
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Images
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
-
- 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
-
- 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
- A47L9/0455—Bearing means therefor
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/001—Cylindrical or annular brush bodies
Definitions
- the present invention relates generally to a vacuum cleaner, and more particularly, to a rotary brush for vacuum cleaner having simplified structure.
- a vacuum cleaner is an apparatus for sucking dust and contaminants off of a surface to be cleaned using high vacuum pressure generated inside the device.
- FIG. 1 shows an upright type vacuum cleaner as an example of a conventional vacuum cleaner.
- a conventional vacuum cleaner includes a body 10 comprising a dust-collecting chamber having a dust bag disposed inside the body 10 and seated by a cover 11 , a motor driving chamber 12 , in which a motor is disposed, and a brush assembly 20 having a suction port.
- the brush assembly 20 has a rotary brush 30 for removing contaminants that are deeply embedded in a carpet or a floor.
- the rotary brush 30 is rotatably disposed in a housing 21 of the brush assembly 20 and rotated by a driving belt 22 .
- FIG. 2 is an exploded, perspective view schematically showing a rotary brush of a conventional vacuum cleaner.
- the rotary brush 30 for a conventional vacuum cleaner comprises a drum 31 on which bristles 32 are spirally disposed, a bearing holder 34 press-fit in the groove 33 formed at an end of the drum 31 , a bearing 36 press-fit in the bearing holder 34 while a washer 35 is interposed between the bearing 36 and the bearing holder 34 , a rotary shaft 37 penetrating the drum 31 and having an end thereof connected to the bearing 36 , and a drum holder 38 connected to an end of the rotary shaft 37 .
- the drum holder 38 is fixed to the housing 21 and a connection hole 39 is formed at the center of the drum holder 38 for the rotary shaft 37 to be inserted therein.
- the bearing 36 has an outer race 36 b press-fit into the bearing holder 34 , and the rotary shaft 37 is press-fit within the inner race 36 a , which is rotating relative to the outer race 36 b.
- the drum holder 38 , the rotary shaft 37 , and the inner race 36 a of the bearing 36 are fixed relative to the housing 21 and the outer race 36 b , the bearing holder 34 and the drum 31 rotate as a unified assembly relative to the inner race 36 a.
- the drum 31 has a belt connecting portion 31 a at one side of the outer circumference.
- the driving belt 22 (FIG. 1), driven by a motor, is connected to the belt connecting portion 31 a.
- a rotary brush for a vacuum cleaner comprising a drum rotatably supported in a housing of a brush assembly and provided with bristles on an outer circumference thereof, a bearing, including outer and inner races, and having the outer race press-fit in a groove formed at an open end of the drum, and a drum holder having one side connected relative to the housing and other side supporting the inner race for the drum to be rotatably supported within the housing.
- the drum holder has covering portion covering the open end of the drum for preventing contaminants from entering into the bearing.
- a supporting portion press-fit in the inner race of the bearing is provided on a proximal, inwardly facing surface of the drum holder and a supplementary metallic member is inserted into the supporting portion.
- a fixing protrusion provided on a distal, outwardly facing surface of the holder is inserted and fixed in a receiving recess formed on the housing.
- the drum holder comprises a cover covering an open end of the drum for preventing contaminants from entering into the bearing, and a supporting shaft having one end passing through the cover and press-fit into the receiving recess formed on the housing and another end press-fit into the inner race of the bearing.
- a belt-connecting portion is connected with a driving belt for rotating the drum and is provided at one side of the outer circumference of the drum.
- FIG. 1 is a partially cut-away, perspective view showing a general upright type vacuum cleaner
- FIG. 2 is an exploded perspective view showing a rotary brush for a conventional vacuum cleaner
- FIG. 3 is a detailed sectional view showing the rotary brush of FIG. 2, fully assembled
- FIG. 4 is an exploded perspective view showing a rotary brush for a vacuum cleaner according to a preferred embodiment of the present invention
- FIG. 6 is an exploded perspective view showing a rotary brush for a vacuum cleaner according to another embodiment of the present invention.
- FIG. 7 is a detailed sectional view of the rotary brush of FIG. 6, fully assembled.
- a rotary brush 100 for a vacuum cleaner comprises a drum 110 , a bearing 120 , and a holder 130 .
- the drum 110 has bristles 111 spirally disposed on the outer circumference and a groove 112 formed at both ends. Additionally, at one side of the outer circumference of the drum 110 , a belt-connecting portion 113 is formed. A driving belt 22 (FIG. 1), driven by a motor, is connected to the belt-connecting portion 113 .
- the bearing 120 is structured to include the inner race 121 and the outer race 122 .
- the outer race 122 of the bearing is press-fit in the groove 112 of the drum 110 . Accordingly, the drum 110 rotates around the inner race 121 together with the outer race 122 .
- the holder 130 has a cover portion 131 having a diameter larger than the outer diameter of the end of the drum 110 , a supporting portion 132 centrally disposed in the inwardly facing, proximal surface of the cover portion 131 , and a fixing protrusion 133 provided on the outwardly facing, distal surface of the covering portion 131 .
- the holder 130 enables the drum 110 to be rotatably supported in the housing 21 since the fixing protrusion 133 is press-fit into the receiving recess 23 of the housing 21 and the supporting portion 132 is press-fit into the inner race 121 of the bearing 120 disposed in the drum 110 .
- the holder 130 and the inner race 121 of the bearing 120 are fixed relative to the housing 21 and the outer race 122 of the bearing 120 and the drum 110 rotate around the inner race 121 .
- a metallic supplementary member 134 is preferably inserted inside the supporting portion 132 for preventing the holder 130 from being deformed by the load produced during the rotation of the drum 110 .
- the driving belt 22 (FIG. 1) connected to the belt-connecting portion 113 of the drum 110 rotates the drum 110 .
- the outer race 122 of the bearing 120 and the drum 110 rotates around the inner race 121 of the bearing 120 .
- FIGS. 6 and 7 show another embodiment of the present invention.
- the structure of the drum 110 and the bearing 120 is essentially identical to those in the above-described preferred embodiment, except for the structure of the holder 140 .
- the holder 140 includes a cover 141 having an inserting hole 142 and a supporting shaft 143 having a protrusion 144 at one end.
- One end of the supporting shaft 143 is press-fit into the inner race 121 of the bearing 120 after passing through the inserting hole 142 of the cover 141 and the other end of the supporting shaft 143 is press-fit into the receiving recess 23 formed on the housing 21 .
- the inner race 121 of the bearing 120 and the supporting shaft 143 is fixed in the housing 21 , and the drum 110 and the outer race 122 of the bearing 120 rotates around the inner race 121 .
- the cover 141 covers the open end of the drum 100 , thereby preventing contaminants from entering into the groove 112 of the drum 110 in which the bearing 120 is disposed.
- the holder fixed in the housing supports the inner race of the bearing disposed at the end of the drum, thereby providing a rotary brush for a vacuum cleaner having a reduced number of working parts and operations, and manufacturing costs are also reduced.
- the rotary brush for a vacuum cleaner according to the present invention has a simpler structure and therefore the possibility of defects in the moving parts may be reduced.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
A rotary brush for a vacuum cleaner comprises a drum 110 rotatably supported in a housing 21 of a brush assembly 20 and provided with bristles 111 on outer circumference, a bearing 120 including outer 122 and inner races 121 and having the outer race 122 press-fit in a groove 112 formed at an end of the drum 110, and a holder 130 having one side connected with the housing 21 and another side supporting the inner race 121 for the drum 110 to be rotatably supported in the housing 21. According to the present invention having the above-described structure, the number of parts can be reduced, thereby reducing the number of moving parts and also reducing the manufacturing costs.
Description
- 1. Field of the Invention
- The present invention relates generally to a vacuum cleaner, and more particularly, to a rotary brush for vacuum cleaner having simplified structure.
- 2. Background of the Related Art
- Generally, a vacuum cleaner is an apparatus for sucking dust and contaminants off of a surface to be cleaned using high vacuum pressure generated inside the device. FIG. 1 shows an upright type vacuum cleaner as an example of a conventional vacuum cleaner.
- As shown in FIG. 1, a conventional vacuum cleaner includes a
body 10 comprising a dust-collecting chamber having a dust bag disposed inside thebody 10 and seated by acover 11, amotor driving chamber 12, in which a motor is disposed, and abrush assembly 20 having a suction port. - In the case of such an upright type vacuum cleaner, when the motor is driven and suction force is generated, dust and contaminants on the surface to be cleaned are sucked in with the external air through the suction port of the
brush assembly 20 and are collected in the dust bag in the dust-collecting chamber. - Meanwhile, the
brush assembly 20 has arotary brush 30 for removing contaminants that are deeply embedded in a carpet or a floor. Therotary brush 30 is rotatably disposed in ahousing 21 of thebrush assembly 20 and rotated by adriving belt 22. - FIG. 2 is an exploded, perspective view schematically showing a rotary brush of a conventional vacuum cleaner.
- As shown in FIGS. 2 and 3, the
rotary brush 30 for a conventional vacuum cleaner comprises adrum 31 on whichbristles 32 are spirally disposed, abearing holder 34 press-fit in thegroove 33 formed at an end of thedrum 31, a bearing 36 press-fit in thebearing holder 34 while awasher 35 is interposed between thebearing 36 and thebearing holder 34, arotary shaft 37 penetrating thedrum 31 and having an end thereof connected to thebearing 36, and adrum holder 38 connected to an end of therotary shaft 37. - The
drum holder 38 is fixed to thehousing 21 and aconnection hole 39 is formed at the center of thedrum holder 38 for therotary shaft 37 to be inserted therein. Thebearing 36 has anouter race 36 b press-fit into thebearing holder 34, and therotary shaft 37 is press-fit within theinner race 36 a, which is rotating relative to theouter race 36 b. - Accordingly, the
drum holder 38, therotary shaft 37, and theinner race 36 a of thebearing 36 are fixed relative to thehousing 21 and theouter race 36 b, thebearing holder 34 and thedrum 31 rotate as a unified assembly relative to theinner race 36 a. - The
drum 31 has abelt connecting portion 31 a at one side of the outer circumference. The driving belt 22 (FIG. 1), driven by a motor, is connected to thebelt connecting portion 31 a. - However, such a conventional
rotary brush 30 requires many parts and therefore the number of operations necessary for assembling components and manufacturing costs increase. In addition, there is strong possibility of defects caused by the complex structure. - One object of the present invention is to solve the foregoing problems by providing a rotary brush for a vacuum cleaner having fewer number of parts, a simple structure and a reduction in the manufacturing costs and in the possibility of defects.
- The foregoing and other objects and advantages are realized by providing a rotary brush for a vacuum cleaner comprising a drum rotatably supported in a housing of a brush assembly and provided with bristles on an outer circumference thereof, a bearing, including outer and inner races, and having the outer race press-fit in a groove formed at an open end of the drum, and a drum holder having one side connected relative to the housing and other side supporting the inner race for the drum to be rotatably supported within the housing.
- In the present invention having the above structure, it is preferable that the drum holder has covering portion covering the open end of the drum for preventing contaminants from entering into the bearing.
- In addition, it is preferable that a supporting portion press-fit in the inner race of the bearing is provided on a proximal, inwardly facing surface of the drum holder and a supplementary metallic member is inserted into the supporting portion.
- Moreover, it is preferable that a fixing protrusion provided on a distal, outwardly facing surface of the holder is inserted and fixed in a receiving recess formed on the housing.
- It is preferable that the drum holder comprises a cover covering an open end of the drum for preventing contaminants from entering into the bearing, and a supporting shaft having one end passing through the cover and press-fit into the receiving recess formed on the housing and another end press-fit into the inner race of the bearing.
- It is preferable that a belt-connecting portion is connected with a driving belt for rotating the drum and is provided at one side of the outer circumference of the drum.
- Additional advantages, objects, and features of the invention will be set forth in part in the following description and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and advantages of the invention may be realized and attained as particularly pointed out in the appended claims.
- The invention will be described in detail with reference to the following drawings, in which like reference numerals refer to like elements, wherein:
- FIG. 1 is a partially cut-away, perspective view showing a general upright type vacuum cleaner;
- FIG. 2 is an exploded perspective view showing a rotary brush for a conventional vacuum cleaner;
- FIG. 3 is a detailed sectional view showing the rotary brush of FIG. 2, fully assembled;
- FIG. 4 is an exploded perspective view showing a rotary brush for a vacuum cleaner according to a preferred embodiment of the present invention;
- FIG. 5 is a detailed sectional view showing the rotary brush of FIG. 4, fully assembled;
- FIG. 6 is an exploded perspective view showing a rotary brush for a vacuum cleaner according to another embodiment of the present invention; and
- FIG. 7 is a detailed sectional view of the rotary brush of FIG. 6, fully assembled.
- The following detailed description will present a rotary brush for a vacuum cleaner according to the preferred embodiments of the invention in reference to the accompanying drawings.
- As shown in FIG. 4 or FIG. 5, a
rotary brush 100 for a vacuum cleaner according to one embodiment of the present invention comprises adrum 110, abearing 120, and aholder 130. - The
drum 110 hasbristles 111 spirally disposed on the outer circumference and agroove 112 formed at both ends. Additionally, at one side of the outer circumference of thedrum 110, a belt-connectingportion 113 is formed. A driving belt 22 (FIG. 1), driven by a motor, is connected to the belt-connectingportion 113. - The
bearing 120 is structured to include theinner race 121 and theouter race 122. Theouter race 122 of the bearing is press-fit in thegroove 112 of thedrum 110. Accordingly, thedrum 110 rotates around theinner race 121 together with theouter race 122. - The
holder 130 has acover portion 131 having a diameter larger than the outer diameter of the end of thedrum 110, a supportingportion 132 centrally disposed in the inwardly facing, proximal surface of thecover portion 131, and afixing protrusion 133 provided on the outwardly facing, distal surface of thecovering portion 131. Theholder 130 enables thedrum 110 to be rotatably supported in thehousing 21 since thefixing protrusion 133 is press-fit into the receivingrecess 23 of thehousing 21 and the supportingportion 132 is press-fit into theinner race 121 of thebearing 120 disposed in thedrum 110. In order words, theholder 130 and theinner race 121 of thebearing 120 are fixed relative to thehousing 21 and theouter race 122 of thebearing 120 and thedrum 110 rotate around theinner race 121. A metallicsupplementary member 134 is preferably inserted inside the supportingportion 132 for preventing theholder 130 from being deformed by the load produced during the rotation of thedrum 110. - In the present invention having the above-described structure, if a motor is driven during cleaning, the driving belt22 (FIG. 1) connected to the belt-connecting
portion 113 of thedrum 110 rotates thedrum 110. At this time, theouter race 122 of the bearing 120 and thedrum 110 rotates around theinner race 121 of thebearing 120. - Meanwhile, since the
cover portion 131 of theholder 130 covers the open end of thedrum 110, contaminants rising as a result of the rotation of thedrum 110 can be prevented from entering into thegroove 112. - FIGS. 6 and 7 show another embodiment of the present invention. In FIGS. 6 and 7, the structure of the
drum 110 and thebearing 120 is essentially identical to those in the above-described preferred embodiment, except for the structure of theholder 140. In this embodiment, theholder 140 includes acover 141 having aninserting hole 142 and a supportingshaft 143 having aprotrusion 144 at one end. One end of the supportingshaft 143 is press-fit into theinner race 121 of the bearing 120 after passing through theinserting hole 142 of thecover 141 and the other end of the supportingshaft 143 is press-fit into the receivingrecess 23 formed on thehousing 21. Therefore, theinner race 121 of thebearing 120 and the supportingshaft 143 is fixed in thehousing 21, and thedrum 110 and theouter race 122 of the bearing 120 rotates around theinner race 121. Thecover 141 covers the open end of thedrum 100, thereby preventing contaminants from entering into thegroove 112 of thedrum 110 in which thebearing 120 is disposed. - According to the embodiment of the present invention set forth above, the holder fixed in the housing supports the inner race of the bearing disposed at the end of the drum, thereby providing a rotary brush for a vacuum cleaner having a reduced number of working parts and operations, and manufacturing costs are also reduced.
- Moreover, the rotary brush for a vacuum cleaner according to the present invention has a simpler structure and therefore the possibility of defects in the moving parts may be reduced.
- While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that various changes in the form and details may be made therein without departing from the spirit and scope of the invention, as defined by the appended claims and their equivalents.
- The foregoing embodiments and advantages are merely exemplary and are not to be construed as limiting the present invention. The present teaching can be readily applied to other types of apparatuses. The description of the present invention is intended to be illustrative, and not to limit the scope of the claims. Many alternatives, modifications, and variations will be apparent to those skilled in the art. In the claims, means-plus-function clauses are intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures.
Claims (7)
1. A rotary brush assembly for insertion into a housing of a vacuum cleaner comprising:
a drum, rotatably supported in the housing of the brush assembly, provided with bristles along an outer circumference;
a bearing, including outer and inner races, having the outer race press-fit in a groove formed at an open end of the drum; and
a drum holder having one side connected to the housing and another side supporting the inner race of the drum to be rotatably supported in the housing.
2. The rotary brush according to claim 1 , wherein the drum holder further comprises a covering portion covering the end of the drum for preventing contaminants from entering into the bearing.
3. The rotary brush according to claim 1 , wherein a supporting portion press-fit in the inner race of the bearing is provided on inwardly facing, proximal surface of the holder.
4. The rotary brush according to claim 3 , wherein a supplementary metallic member is inserted into the supporting portion.
5. The rotary brush according to claim 1 , wherein a fixing protrusion provided on a distal, outwardly facing surface of the holder is inserted and fixed in a receiving recess formed in the housing.
6. The rotary brush according to claim 1 , wherein the holder comprises:
a cover covering an open end of the drum for preventing contaminants from entering into the bearing; and
a supporting shaft having one end passing through the cover and press-fit into the receiving recess formed on the housing and another end press-fit into the inner race of the bearing.
7. The rotary brush for a vacuum cleaner according to claim 1 , wherein a belt connecting portion connected with a driving belt for rotating the drum is provided at one side of the outer circumference of the drum.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0054624A KR100466320B1 (en) | 2002-09-10 | 2002-09-10 | Rotary brush for vacuum cleaner |
KR2002-54624 | 2002-09-10 |
Publications (1)
Publication Number | Publication Date |
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US20040045125A1 true US20040045125A1 (en) | 2004-03-11 |
Family
ID=19720680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/294,338 Abandoned US20040045125A1 (en) | 2002-09-10 | 2002-11-14 | Rotary brush for vacuum cleaner |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040045125A1 (en) |
KR (1) | KR100466320B1 (en) |
AU (1) | AU2003200005A1 (en) |
CA (1) | CA2413403A1 (en) |
GB (1) | GB2392828B (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080115309A1 (en) * | 2006-11-16 | 2008-05-22 | Jing Liang Pan | Cyclonic Dust Collecting Apparatus |
US8826493B2 (en) | 2011-02-15 | 2014-09-09 | The Scott-Fetzer Company | Vacuum cleaner brushroll |
US9456723B2 (en) | 2015-01-30 | 2016-10-04 | Sharkninja Operating Llc | Surface cleaning head including openable agitator chamber and a removable rotatable agitator |
US9655486B2 (en) | 2015-01-30 | 2017-05-23 | Sharkninja Operating Llc | Surface cleaning head including removable rotatable driven agitator |
KR20170125832A (en) * | 2015-01-30 | 2017-11-15 | 샤크닌자 오퍼레이팅 엘엘씨 | A cleaner head having an open agitator chamber and a removable agitator used therein |
US9955832B2 (en) | 2015-01-30 | 2018-05-01 | Sharkninja Operating Llc | Surface cleaning head with removable non-driven agitator having cleaning pad |
US10076183B2 (en) | 2015-08-14 | 2018-09-18 | Sharkninja Operating Llc | Surface cleaning head |
US20180368633A1 (en) * | 2011-07-05 | 2018-12-27 | Samsung Electronics Co., Ltd. | Vacuum cleaner |
US10512384B2 (en) | 2016-12-15 | 2019-12-24 | Irobot Corporation | Cleaning roller for cleaning robots |
US10595624B2 (en) | 2017-07-25 | 2020-03-24 | Irobot Corporation | Cleaning roller for cleaning robots |
US10702108B2 (en) | 2015-09-28 | 2020-07-07 | Sharkninja Operating Llc | Surface cleaning head for vacuum cleaner |
US20200397203A1 (en) * | 2017-04-20 | 2020-12-24 | Lg Electronics Inc. | Vacuum cleaner |
US11109727B2 (en) | 2019-02-28 | 2021-09-07 | Irobot Corporation | Cleaning rollers for cleaning robots |
US11202542B2 (en) | 2017-05-25 | 2021-12-21 | Sharkninja Operating Llc | Robotic cleaner with dual cleaning rollers |
CN114145681A (en) * | 2021-12-31 | 2022-03-08 | 帝舍智能科技(武汉)有限公司 | Sponge cylinder and forming die for burnisher |
US11278171B2 (en) | 2015-10-21 | 2022-03-22 | Sharkninja Operating Llc | Surface cleaning head with dual rotating agitators |
US11602251B2 (en) | 2015-01-30 | 2023-03-14 | Sharkninja Operating Llc | Removable rotatable driven agitator for surface cleaning head |
US11647881B2 (en) | 2015-10-21 | 2023-05-16 | Sharkninja Operating Llc | Cleaning apparatus with combing unit for removing debris from cleaning roller |
US11759069B2 (en) | 2018-10-19 | 2023-09-19 | Sharkninja Operating Llc | Agitator for a surface treatment apparatus and a surface treatment apparatus having the same |
US11992172B2 (en) | 2018-10-19 | 2024-05-28 | Sharkninja Operating Llc | Agitator for a surface treatment apparatus and a surface treatment apparatus having the same |
US11998151B2 (en) | 2022-03-28 | 2024-06-04 | Irobot Corporation | Cleaning roller for cleaning robots |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100558581B1 (en) * | 2004-10-29 | 2006-03-13 | 삼성광주전자 주식회사 | A brush assembly and a vaccum cleaner having the same |
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KR200358817Y1 (en) * | 1999-06-28 | 2004-08-12 | 삼성광주전자 주식회사 | Brush drum assembly for a suction head of a vacuum cleaner |
KR100325010B1 (en) * | 2000-01-28 | 2002-02-20 | 이충전 | A drum brush of suction device for vacuum cleaner up-right |
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2002
- 2002-09-10 KR KR10-2002-0054624A patent/KR100466320B1/en not_active IP Right Cessation
- 2002-11-14 US US10/294,338 patent/US20040045125A1/en not_active Abandoned
- 2002-12-03 CA CA002413403A patent/CA2413403A1/en not_active Abandoned
-
2003
- 2003-01-02 GB GB0300028A patent/GB2392828B/en not_active Expired - Fee Related
- 2003-01-02 AU AU2003200005A patent/AU2003200005A1/en not_active Abandoned
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US2092581A (en) * | 1931-07-18 | 1937-09-07 | Hoover Co | Suction cleaner |
US2037648A (en) * | 1935-02-26 | 1936-04-14 | B F Sturtevant Company Inc | Vacuum sweeper |
US2740985A (en) * | 1949-11-10 | 1956-04-10 | Hoover Co | Agitator structure for cleaning devices |
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US4893376A (en) * | 1985-09-20 | 1990-01-16 | Hitachi, Ltd. | Upright-type electric vacuum cleaner |
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US20030145424A1 (en) * | 2002-02-01 | 2003-08-07 | Royal Appliance Mfg. Co. | Two-piece brushroll |
Cited By (35)
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Also Published As
Publication number | Publication date |
---|---|
GB2392828A (en) | 2004-03-17 |
AU2003200005A1 (en) | 2004-03-25 |
CA2413403A1 (en) | 2004-03-10 |
GB0300028D0 (en) | 2003-02-05 |
KR20040023013A (en) | 2004-03-18 |
GB2392828B (en) | 2004-10-27 |
KR100466320B1 (en) | 2005-01-14 |
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