EP1604602B1 - Suction head of vacuum cleaner - Google Patents
Suction head of vacuum cleaner Download PDFInfo
- Publication number
- EP1604602B1 EP1604602B1 EP05290287.1A EP05290287A EP1604602B1 EP 1604602 B1 EP1604602 B1 EP 1604602B1 EP 05290287 A EP05290287 A EP 05290287A EP 1604602 B1 EP1604602 B1 EP 1604602B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction
- brush
- suction duct
- duct
- suction head
- 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.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 claims description 39
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
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
- A47L9/0405—Driving means for the brushes or agitators
- A47L9/0411—Driving means for the brushes or agitators driven by electric motor
-
- 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
-
- 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
- A47L9/0483—Reciprocating or oscillating tools, e.g. vibrators, agitators, beaters
Definitions
- the present invention relates to a suction head of a vacuum cleaner, and more particularly, to a suction head of a vacuum cleaner capable of smoothly sucking dust.
- an upright type vacuum cleaner in accordance with the conventional art comprises: a body 1 having an accommodation space therein; a handgrip 6 installed at an upper side of the body 1; a fan motor 2 installed in the body 1 and generating a suction force; a filter 3 arranged at a suction side of the fan motor 2 and filtering dust; a dust chamber 4 for accommodating the filter 3 and dust filtered by the filter 3; and a suction head 5 connected to the dust chamber 4 by a connection hose 7, for sucking external dust by an operation of the fan motor 2.
- the suction head 5 includes: a housing 10 provided with a suction port 11 having a structure opened towards a floor; a suction duct 14 for collecting dust sucked by the suction port 11; a connection pipe 15 for connecting the suction duct 14 and the connection hose 7; a brush 13 rotatably installed at an inner side of the suction port 11 and having a plurality of bristles 12 at an outer surface thereof, for collecting dust on a floor with being rotated; a driving motor 16 for providing a driving force to rotate the brush 13; and a rotational force transmitting mechanism for transmitting a rotational force of the driving motor 16 to the brush 13.
- the rotational force transmitting mechanism is composed of a driving pulley 17 connected to a motor shaft of the driving motor 16, a driven pulley 18 installed at an outer circumference of the brush 13, and a belt 19 for connecting the driving pulley 17 and the driven pulley 18.
- the brush 13 is rotated by 360° in a single direction. According to this, the bristles 12 of the brush 13 brush the floor in a single direction thereby to have a limitation in brushing the floor.
- US Patent No.4,430,768 discloses an agitator structure for suction cleaners having an oscillating brush.
- US Patent No.4,426,751 discloses a vacuum cleaner nozzle having two brushes rotated in opposite directions.
- an object of the present invention is to provide a suction head of a vacuum cleaner capable of enhancing a cleaning function by constructing a brush installed in a suction port to reciprocatingly rotate within a predetermined angle.
- Another object of the present invention is to provide a suction head of a vacuum cleaner capable of properly sucking brushed dust into a body by constructing a brush to be respectively provided with a suction duct at both sides of a brushing direction of a floor.
- a suction head of a vacuum cleaner as set out in claim 1.
- an upright type vacuum cleaner comprises: a body 1 having an accommodation space therein; a handgrip 6 installed at an upper side of the body 1; a fan motor 2 installed in the body 1 and generating a suction force; a filter 3 arranged at a suction side of the fan motor 2 and filtering dust; a dust chamber 4 for accommodating the filter 3 and dust filtered by the filter 3; and a suction head 100 connected to the dust chamber 4 by a connection hose 7, for sucking external dust by an operation of the fan motor 2.
- the suction head 100 includes: a housing 110 provided with a suction port 20 having a structure opened towards a floor; a cylindrical brush 30 rotatably installed in the suction port 20 and having a plurality of bristles 31 arranged in a longitudinal direction thereof; a brush driving device 40 for reciprocatingly rotating the brush 30 forwardly and backwardly within a range of a predetermined angle; a first suction duct 50 having an inlet 51 positioned corresponding to a direction of dust movement when the brush 30 rotates in a forward direction; a second suction duct 60 having an inlet 61 positioned corresponding to a direction of dust movement when the brush 30 rotates in a backward direction; and a connection pipe 115 for connecting the first suction duct 50 and the second suction duct 60 to the connection hose 7.
- the bristles 31 are uniformly installed on the brush 30 in a longitudinal direction of the brush 30 as a plurality of rows.
- the brush driving device 40 is composed of: a driving motor 41 for providing a driving force; and a driving force transmitting unit 42 for transmitting a driving force of the driving motor 41 to the brush 30 so that the brush 30 can be reciprocatingly rotated within a range of a predetermined angle.
- the driving force transmitting unit 42 is composed of: a rotary link 44 fixed to a motor shaft 43 of the driving motor 41 and coaxially rotated together with the motor shaft 43; a hinge bracket 45 installed at one side of an outer circumferential surface of the brush 30; and a connecting rod 46 of which one end is hingedly connected to the rotary link 44 at a position eccentric from a rotation center of the rotary link 44 and of which another end is hingedly connected to the hinge bracket 45 thus to perform an angular reciprocating motion by a rotation of the rotary link 44.
- the driving force transmitting unit 42 converts a rotation motion of the motor shaft 43 of the driving motor 41 into a forward reciprocating rotation and a backward reciprocating rotation of the brush 30.
- the inlet 51 of the first suction duct 50 is arranged at a rear side of the brush 30 and extended to a rear side of the housing 110, and an outlet 52 of the first suction duct 50 is connected to the connection pipe 115.
- the first suction duct 50 serves as a flow path of dust brushed by the bristles 31 thus to be moved to the rear side of the suction port 20.
- the inlet 51 of the first suction duct 50 is curvedly formed toward the suction port 20 for more effective suction of air.
- the inlet 61 of the second suction duct 60 is arranged to be opened towards a floor at the front side of the brush 30 and is extended along an upper circumference of the suction port 20, and an outlet 62 of the second suction duct 60 is connected to the first suction duct 50.
- the second suction duct 60 serves as a flow path of dust brushed by the bristles 31 thus to be moved to the front side of the suction port 20.
- a width in right and left directions of the inlet 61 of the second suction duct 60 is substantially same as a width in right and left directions of the suction port 20 in order to increase an area of a duct into which dust is sucked.
- a width in right and left directions of the second suction duct 60 is gradually decreased from the inlet 61 towards the outlet 62. According to this, a width in front and rear directions of the suction duct 60 is gradually decreased towards both sides of the second suction duct 60 (refer to Fig. 4 ).
- a guide portion 70 is formed at the outlet 62 of the second suction duct 60, for guiding air passing through the second suction duct 60 toward the first suction duct 50.
- the guide portion 70 maintains constant pressure and regular flow of air which flows from the second suction duct 60 to the first suction duct 50.
- the guide portion 70 may be protruded from an inner wall of the second suction duct 60, and the thickness of the guide portion 70 becomes smaller toward the first suction duct 50. It is preferred that both surfaces 72 and 74 of the guide portion 70, the surfaces 72 and 74 facing the first and second suction ducts 50 and 60 are curvedly formed.
- a rotational force is generated at the driving motor 41.
- the rotational force of the driving motor 41 is transmitted to the brush 30 through the driving force transmitting unit 42, the brush 30 is reciprocatingly rotated within a range of a predetermined angle.
- the dust introduced into the first suction duct 50 and the second suction duct 60 is introduced into the connection pipe 115, and then is introduced into the dust chamber 4 of the body 1 through the connection hose 7.
- the dust filtered by the filter 3 inside the dust chamber 4 remains in the dust chamber 4, and the air filtered by the filter 3 is exhausted to outside of the body 1.
- the suction head 100 of the vacuum cleaner according to the present invention is constructed so that the brush 30 can be reciprocatingly rotated within a range of a predetermined angle. According to this, an entire area occupied by the suction head 100 can be evenly brushed.
- first suction duct 50 and the second suction duct 60 for introducing dust are respectively provided at both sides of a direction that the brush 30 brushes the floor. According to this, brushed dust can be smoothly sucked into the body 1.
- the width of right and left directions of the second suction duct 60 arranged at the front side of the suction port 20 is substantially same as the width of right and left directions of the suction port 20, and the width of right and left directions of the second suction duct 60 is gradually decreased from the inlet 61 towards the outlet 62. According to this, the entire region that the second suction duct 60 passes can be smoothly cleaned by using a proper suction force.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Description
- The present invention relates to a suction head of a vacuum cleaner, and more particularly, to a suction head of a vacuum cleaner capable of smoothly sucking dust.
- As shown in
Figs. 1 and2 , an upright type vacuum cleaner in accordance with the conventional art comprises: abody 1 having an accommodation space therein; ahandgrip 6 installed at an upper side of thebody 1; afan motor 2 installed in thebody 1 and generating a suction force; afilter 3 arranged at a suction side of thefan motor 2 and filtering dust; adust chamber 4 for accommodating thefilter 3 and dust filtered by thefilter 3; and asuction head 5 connected to thedust chamber 4 by aconnection hose 7, for sucking external dust by an operation of thefan motor 2. - The
suction head 5 includes: ahousing 10 provided with asuction port 11 having a structure opened towards a floor; asuction duct 14 for collecting dust sucked by thesuction port 11; aconnection pipe 15 for connecting thesuction duct 14 and theconnection hose 7; abrush 13 rotatably installed at an inner side of thesuction port 11 and having a plurality ofbristles 12 at an outer surface thereof, for collecting dust on a floor with being rotated; adriving motor 16 for providing a driving force to rotate thebrush 13; and a rotational force transmitting mechanism for transmitting a rotational force of the drivingmotor 16 to thebrush 13. The rotational force transmitting mechanism is composed of adriving pulley 17 connected to a motor shaft of the drivingmotor 16, a drivenpulley 18 installed at an outer circumference of thebrush 13, and abelt 19 for connecting thedriving pulley 17 and the drivenpulley 18. - In the conventional vacuum cleaner, when a power source is applied to the vacuum cleaner, a suction force is generated at the
suction port 11 of thesuction head 5 by a suction force generated at thefan motor 2. By the suction force, dust on a floor is sucked through thesuction port 11 thus to be introduced into thebody 1 through thesuction duct 14, theconnection pipe 15, and theconnection hose 7. - At this time, when the driving
motor 16 is rotated, a rotational force of the drivingmotor 16 is transmitted to thebrush 13 through thedriving pulley 17, thebelt 19, and the drivenpulley 18 and thereby thebrush 13 is rotated by 360°. As thebrush 13 is rotated, thebristles 12 installed on an outer surface of thebrush 13 separate dust from the floor thereby to facilitate a suction of dust attached on the floor. - However, in the
suction head 5 of the conventional vacuum cleaner, thebrush 13 is rotated by 360° in a single direction. According to this, thebristles 12 of thebrush 13 brush the floor in a single direction thereby to have a limitation in brushing the floor. -
US Patent No.4,430,768 discloses an agitator structure for suction cleaners having an oscillating brush.US Patent No.4,426,751 discloses a vacuum cleaner nozzle having two brushes rotated in opposite directions. - Therefore, an object of the present invention is to provide a suction head of a vacuum cleaner capable of enhancing a cleaning function by constructing a brush installed in a suction port to reciprocatingly rotate within a predetermined angle.
- Another object of the present invention is to provide a suction head of a vacuum cleaner capable of properly sucking brushed dust into a body by constructing a brush to be respectively provided with a suction duct at both sides of a brushing direction of a floor.
- To achieve these and other advantages and In accordance with the purpose of the present invention, as embodied and broadly described herein, there is provided a suction head of a vacuum cleaner as set out in
claim 1. - The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings.
- The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention.
- In the drawings:
-
Fig. 1 is a perspective view showing an upright type vacuum cleaner in accordance with the conventional art; -
Fig. 2 is a cross-section view showing a suction head of the vacuum cleaner in accordance with the conventional art; -
Fig. 3 is a perspective view showing an upright type vacuum cleaner according to the present invention; -
Fig. 4 is a cross-section view showing a suction head of the vacuum cleaner according to the present invention; -
Fig. 5 is a perspective view showing a brush and a brush driving device provided at the suction head of the vacuum cleaner according to the present invention; -
Fig. 6 is a frontal view showing the suction head of the vacuum cleaner according to the present invention; -
Fig. 7 is a sectional view taken along line VII-VII ofFig. 6 ; and -
Figs. 8 and 9 are sectional views showing an operation state of the suction head of the vacuum cleaner according to the present invention. - Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.
- As shown in
Figs. 3 and4 , an upright type vacuum cleaner according to the present invention comprises: abody 1 having an accommodation space therein; ahandgrip 6 installed at an upper side of thebody 1; afan motor 2 installed in thebody 1 and generating a suction force; afilter 3 arranged at a suction side of thefan motor 2 and filtering dust; adust chamber 4 for accommodating thefilter 3 and dust filtered by thefilter 3; and asuction head 100 connected to thedust chamber 4 by aconnection hose 7, for sucking external dust by an operation of thefan motor 2. - The
suction head 100 includes: ahousing 110 provided with asuction port 20 having a structure opened towards a floor; acylindrical brush 30 rotatably installed in thesuction port 20 and having a plurality ofbristles 31 arranged in a longitudinal direction thereof; abrush driving device 40 for reciprocatingly rotating thebrush 30 forwardly and backwardly within a range of a predetermined angle; afirst suction duct 50 having aninlet 51 positioned corresponding to a direction of dust movement when thebrush 30 rotates in a forward direction; asecond suction duct 60 having aninlet 61 positioned corresponding to a direction of dust movement when thebrush 30 rotates in a backward direction; and aconnection pipe 115 for connecting thefirst suction duct 50 and thesecond suction duct 60 to theconnection hose 7. - The
bristles 31 are uniformly installed on thebrush 30 in a longitudinal direction of thebrush 30 as a plurality of rows. - As shown in
Fig. 5 , thebrush driving device 40 is composed of: adriving motor 41 for providing a driving force; and a drivingforce transmitting unit 42 for transmitting a driving force of the drivingmotor 41 to thebrush 30 so that thebrush 30 can be reciprocatingly rotated within a range of a predetermined angle. - The driving
force transmitting unit 42 is composed of: arotary link 44 fixed to amotor shaft 43 of the drivingmotor 41 and coaxially rotated together with themotor shaft 43; ahinge bracket 45 installed at one side of an outer circumferential surface of thebrush 30; and a connectingrod 46 of which one end is hingedly connected to therotary link 44 at a position eccentric from a rotation center of therotary link 44 and of which another end is hingedly connected to thehinge bracket 45 thus to perform an angular reciprocating motion by a rotation of therotary link 44. - The driving
force transmitting unit 42 converts a rotation motion of themotor shaft 43 of the drivingmotor 41 into a forward reciprocating rotation and a backward reciprocating rotation of thebrush 30. - As shown in
Figs. 6 and 7 , theinlet 51 of thefirst suction duct 50 is arranged at a rear side of thebrush 30 and extended to a rear side of thehousing 110, and anoutlet 52 of thefirst suction duct 50 is connected to theconnection pipe 115. - When the
brush 30 is forwardly rotated, that is, thebrush 30 is rotated counterclockwise as shown inFig. 7 , thefirst suction duct 50 serves as a flow path of dust brushed by thebristles 31 thus to be moved to the rear side of thesuction port 20. - Meanwhile, it is preferred that the
inlet 51 of thefirst suction duct 50 is curvedly formed toward thesuction port 20 for more effective suction of air. - The
inlet 61 of thesecond suction duct 60 is arranged to be opened towards a floor at the front side of thebrush 30 and is extended along an upper circumference of thesuction port 20, and anoutlet 62 of thesecond suction duct 60 is connected to thefirst suction duct 50. - When the
brush 30 is backwardly rotated, that is, thebrush 30 is rotated clockwise as shown inFig. 7 , thesecond suction duct 60 serves as a flow path of dust brushed by thebristles 31 thus to be moved to the front side of thesuction port 20. - Preferably, a width in right and left directions of the
inlet 61 of thesecond suction duct 60 is substantially same as a width in right and left directions of thesuction port 20 in order to increase an area of a duct into which dust is sucked. - In order to increase a suction force inside the duct, a width in right and left directions of the
second suction duct 60 is gradually decreased from theinlet 61 towards theoutlet 62. According to this, a width in front and rear directions of thesuction duct 60 is gradually decreased towards both sides of the second suction duct 60 (refer toFig. 4 ). - Preferably, a
guide portion 70 is formed at theoutlet 62 of thesecond suction duct 60, for guiding air passing through thesecond suction duct 60 toward thefirst suction duct 50. Theguide portion 70 maintains constant pressure and regular flow of air which flows from thesecond suction duct 60 to thefirst suction duct 50. - The
guide portion 70 may be protruded from an inner wall of thesecond suction duct 60, and the thickness of theguide portion 70 becomes smaller toward thefirst suction duct 50. It is preferred that bothsurfaces guide portion 70, thesurfaces second suction ducts - Hereinafter, an operation of the suction head of the vacuum cleaner according to the present invention will be explained as follows. A motion direction of each member is explained with reference to the attached drawings, and the present invention is not limited to the motion direction.
- When a power source is applied to the vacuum cleaner, a suction force is generated at the
suction port 20 of thesuction head 100 by a suction force generated by thefan motor 2. By the suction force, dust on a floor is sucked through thesuction port 20 thus to be introduced into thedust chamber 4 of thebody 1. - As shown in
Figs. 8 and 9 , a rotational force is generated at the drivingmotor 41. When the rotational force of the drivingmotor 41 is transmitted to thebrush 30 through the drivingforce transmitting unit 42, thebrush 30 is reciprocatingly rotated within a range of a predetermined angle. - As shown in
Fig. 8 , when thebrush 30 is forwardly rotated, that is, thebrush 30 is rotated counterclockwise, thebristles 31 brush dust on the floor towards the rear side of thesuction port 20. According to this, most of brushed dust is introduced into theinlet 51 of thefirst suction duct 50 arranged at the rear side of thesuction port 20. - As shown in
Fig. 9 , when thebrush 30 is backwardly rotated, that is, thebrush 30 is rotated clockwise, thebristles 31 brush dust on the floor towards the front side of thesuction port 20. According to this, most of brushed dust is introduced into theinlet 61 of thesecond suction duct 60 arranged at the front side of thesuction port 20. Then, the dust flows along thesecond suction duct 60, and is introduced into thefirst suction duct 50 through theoutlet 62 of thesecond suction duct 60. - The dust introduced into the
first suction duct 50 and thesecond suction duct 60 is introduced into theconnection pipe 115, and then is introduced into thedust chamber 4 of thebody 1 through theconnection hose 7. The dust filtered by thefilter 3 inside thedust chamber 4 remains in thedust chamber 4, and the air filtered by thefilter 3 is exhausted to outside of thebody 1. - The
suction head 100 of the vacuum cleaner according to the present invention is constructed so that thebrush 30 can be reciprocatingly rotated within a range of a predetermined angle. According to this, an entire area occupied by thesuction head 100 can be evenly brushed. - Also, the
first suction duct 50 and thesecond suction duct 60 for introducing dust are respectively provided at both sides of a direction that thebrush 30 brushes the floor. According to this, brushed dust can be smoothly sucked into thebody 1. - Additionally, the width of right and left directions of the
second suction duct 60 arranged at the front side of thesuction port 20 is substantially same as the width of right and left directions of thesuction port 20, and the width of right and left directions of thesecond suction duct 60 is gradually decreased from theinlet 61 towards theoutlet 62. According to this, the entire region that thesecond suction duct 60 passes can be smoothly cleaned by using a proper suction force. - As the present invention may be embodied in several forms without departing from its scope defined by the claims, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, unless otherwise specified.
Claims (12)
- A suction head of a vacuum cleaner, comprising:a housing (110) having a suction port (20) through which dust can be sucked;a brush (30) rotatably installed in the suction port and having a plurality of bristles (31) arranged in a longitudinal direction thereof;a brush driving device (40) for reciprocatingly rotating the brush within a range of a predetermined angle;wherein the suction port (20) is formed to be opened towards a floor,characterized bya first suction duct (50) having an inlet (51) positioned corresponding to a direction of dust movement when the brush rotates in a forward direction; anda second suction duct (60) having an inlet (61) positioned corresponding to a direction of dust movement when the brush rotates in a backward direction,and by the two inlets (51, 61) being disposed to be spaced from the opened portion of the suction port (20).
- The suction head of claim 1, wherein the brush driving device (40) is composed of:a driving motor (41) for providing a driving force; anda driving force transmitting unit (42) for transmitting a driving force of the driving motor to the brush (30) so that the brush can be reciprocatingly rotated within a range of a predetermined angle.
- The suction head of claim 2, wherein the driving force transmitting unit (42) is composed of:a rotary link (44) fixed to a motor shaft (43) of the driving motor (41) and concentrically rotated with the motor shaft;a hinge bracket (45) installed at one side of an outer circumferential surface of the brush; anda connecting rod (46) having one end hingedly connected to the rotary link at a position eccentric from a rotation center of the rotary link and having another end hingedly connected to the hinge bracket.
- The suction head of claim 1, wherein the inlet (51) of the first suction duct (50) is arranged at a rear side of the suction port (20), and the inlet (61) of the second suction duct (60) is arranged at a front side of the suction port and extended along an upper circumference of the suction port.
- The suction head of claim 4, wherein an outlet (62) of the second suction duct (60) is connected to the first suction duct (50).
- The suction head of claim 5, wherein a guide portion (70) is formed at the outlet (62) of the second suction duct (60), for guiding air passing through the second suction duct toward the first suction duct (50).
- The suction head of claim 6, wherein both surfaces of the guide portion (70) are curvedly formed.
- The suction head of claim 6, wherein the guide portion (70) is formed by protruding from a wall forming the second suction duct (60).
- The suction head of claim 4, wherein the inlet (51) of the first suction duct (50) Is curvedly formed toward the suction port (20).
- The suction head of claim 4, wherein a width in right and left directions of the inlet (61) of the second suction duct (60) is substantially same as a width In right and left directions of the suction port (20).
- The suction head of claim 10, wherein a width in right and left directions of the second suction duct (80), is gradually decreased from the inlet (61) toward the outlet (62).
- The suction head of claim 10, wherein a width In front and rear directions of the second suction duct (60) is gradually decreased towards a right side or a left side of the second suction duct.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040043306A KR100595558B1 (en) | 2004-06-12 | 2004-06-12 | Suction head of vacuum cleaner |
KR2004043306 | 2004-06-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1604602A2 EP1604602A2 (en) | 2005-12-14 |
EP1604602A3 EP1604602A3 (en) | 2007-09-05 |
EP1604602B1 true EP1604602B1 (en) | 2014-01-22 |
Family
ID=34975355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05290287.1A Expired - Fee Related EP1604602B1 (en) | 2004-06-12 | 2005-02-09 | Suction head of vacuum cleaner |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050273970A1 (en) |
EP (1) | EP1604602B1 (en) |
KR (1) | KR100595558B1 (en) |
CN (1) | CN100353902C (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100556811B1 (en) * | 2004-06-12 | 2006-03-10 | 엘지전자 주식회사 | Suction head of vacuum cleaner |
KR100704487B1 (en) | 2006-03-15 | 2007-04-09 | 엘지전자 주식회사 | A suction head for a mobile robot |
US8458856B2 (en) * | 2007-02-13 | 2013-06-11 | Samsung Electronics Co., Ltd. | Upright type cleaner |
EP2747623B1 (en) * | 2011-10-03 | 2017-02-22 | Koninklijke Philips N.V. | Floor nozzle for vacuum cleaner |
CN103494582A (en) * | 2013-09-30 | 2014-01-08 | 樊书印 | Miniature dust collector |
US11291345B2 (en) | 2018-08-27 | 2022-04-05 | Techtronic Floor Care Technology Limited | Floor cleaner |
DE102020213579B4 (en) | 2020-10-29 | 2022-09-08 | BSH Hausgeräte GmbH | cleaning device |
CN113534573B (en) * | 2021-06-02 | 2022-10-18 | 重庆科技学院 | Industrial camera protection device with self-cleaning function |
EP4162851A1 (en) * | 2021-10-06 | 2023-04-12 | Versuni Holding B.V. | Direction of rotation of a brush in a suction head |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1470984A (en) * | 1923-10-16 | Signaling circuits | ||
US1773961A (en) * | 1923-03-24 | 1930-08-26 | Clifford C Dance | Vacuum sweeper |
GB344713A (en) * | 1929-04-30 | 1931-03-12 | Willy Lehmann | Improvements in and connected with vacuum cleaners |
US2077958A (en) * | 1930-05-28 | 1937-04-20 | Hoover Co | Suction cleaner |
US3688338A (en) * | 1970-04-27 | 1972-09-05 | Borst & Penselfabriken Ab | Carpet cleaning apparatuses |
US4426751A (en) * | 1982-01-21 | 1984-01-24 | Whirlpool Corporation | Vacuum cleaner nozzle with double brush |
US4430768A (en) * | 1982-03-24 | 1984-02-14 | Novinger Harry E | Agitator structure for suction cleaners |
EP0553897A3 (en) * | 1990-01-24 | 1993-12-29 | Black & Decker Inc | Vacuum cleaners |
US5398373A (en) * | 1993-01-04 | 1995-03-21 | Bissell Inc. | Combination vacuum cleaner and water extractor power foot |
CA2192882C (en) * | 1996-01-23 | 2002-04-16 | Shigenori Hato | Suction tool for an electric vacuum cleaner |
KR100480145B1 (en) * | 2003-07-24 | 2005-04-06 | 엘지전자 주식회사 | Suction head of vacuum cleaner |
-
2004
- 2004-06-12 KR KR1020040043306A patent/KR100595558B1/en not_active IP Right Cessation
-
2005
- 2005-02-09 EP EP05290287.1A patent/EP1604602B1/en not_active Expired - Fee Related
- 2005-02-10 US US11/053,870 patent/US20050273970A1/en not_active Abandoned
- 2005-04-04 CN CNB2005100640051A patent/CN100353902C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20050273970A1 (en) | 2005-12-15 |
EP1604602A2 (en) | 2005-12-14 |
CN100353902C (en) | 2007-12-12 |
CN1706331A (en) | 2005-12-14 |
KR100595558B1 (en) | 2006-07-03 |
KR20050118001A (en) | 2005-12-15 |
EP1604602A3 (en) | 2007-09-05 |
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