US20090056055A1 - Upright vacuum cleaner - Google Patents

Upright vacuum cleaner Download PDF

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Publication number
US20090056055A1
US20090056055A1 US12/199,095 US19909508A US2009056055A1 US 20090056055 A1 US20090056055 A1 US 20090056055A1 US 19909508 A US19909508 A US 19909508A US 2009056055 A1 US2009056055 A1 US 2009056055A1
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US
United States
Prior art keywords
hose
vacuum cleaner
wand
recited
upright vacuum
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
Application number
US12/199,095
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English (en)
Inventor
Klemens Andrup
Udo Mersmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Assigned to MIELE & CIE. KG reassignment MIELE & CIE. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ANDRUP, KLEMENS, MERSMANN, UDO
Publication of US20090056055A1 publication Critical patent/US20090056055A1/en
Abandoned legal-status Critical Current

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    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/32—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with means for connecting a hose
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
    • 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
    • A47L9/0009—Storing devices ; Supports, stands or holders
    • A47L9/0018—Storing devices ; Supports, stands or holders integrated in or removably mounted upon the suction cleaner for storing parts of said suction cleaner
    • 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
    • A47L9/0009—Storing devices ; Supports, stands or holders
    • A47L9/0018—Storing devices ; Supports, stands or holders integrated in or removably mounted upon the suction cleaner for storing parts of said suction cleaner
    • A47L9/0036—Storing devices ; Supports, stands or holders integrated in or removably mounted upon the suction cleaner for storing parts of said suction cleaner specially adapted for holding the suction hose
    • 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

Definitions

  • the present invention relates to a vacuum cleaner of the upright type, including an upper body containing a dust collection container, a base unit, and a carriage permitting said base unit to move on the surface to be cleaned.
  • the canister vacuum cleaner has a housing which can be moved on the floor to be cleaned on wheels and/or runners.
  • the housing contains the motor-fan unit and the dust collection container.
  • the floor treatment device here referred to as floor nozzle, is connected to the dust collection chamber via a suction hose, and possibly a suction wand connected therebetween. During vacuuming, the housing is moved to the desired position by pulling on the suction wand.
  • the motor-fan unit and the dust collection container are also disposed in a housing.
  • a suction wand extends from one end of the housing, connecting the floor nozzle to the dust collection container, and a handle used to maneuver the housing to the desired position extends from the other end.
  • Uprights do not have as strictly divided a configuration as the two aforementioned types.
  • One feature of an upright is a movable base unit which carries an upper body containing a large dust collection container.
  • the two parts are tiltable relative to each other and can usually be locked in a parked position in which the upper body is nearly upright when the base unit is located on a horizontal floor in a position of use. In this position, the upright stands unsupported.
  • the above-described locked engagement is released, and the upper body is tilted through a certain angle to an operating position. The tilt angle depends on the height of the user and on the particular purpose of use.
  • a handle is provided on the upper body for maneuvering the entire appliance.
  • the air passageway has an interface and, downstream thereof, a section which is formed by a hose or hose/wand assembly.
  • a wand member is held in an insertion receptacle. After removing the wand member from the insertion receptacle, different types of vacuum attachments may be attached to the suction end thereof.
  • the assembly so formed can be used in the same manner as with a conventional canister vacuum cleaner.
  • the aforementioned assembly uses a relatively long hose to provide adequate reach for the user (see, for example, WO 2007/008770 A1). Such hoses are then secured in clamps or hooks on the handle. In the process, loops are formed above the upper body. Such loops may get caught on various objects as the user moves around.
  • An aspect of the present invention is to provide an upright vacuum cleaner in which the hose is held in a reliable and ergonomically favorable manner.
  • the present invention provides an upright vacuum cleaner for cleaning a surface.
  • the upright vacuum cleaner includes a base unit, a carriage configured to provide movement of the base unit on the surface and an upper body including a dust collection container therein.
  • the upper body is supported so as to be at least tiltable relative to the base unit and lockable in a parked position in which the vacuum cleaner has a substantially upright configuration when standing on the surface.
  • the vacuum cleaner includes a motor-fan unit configured to provide a partial vacuum at the surface.
  • a substantially U-shaped elongated receiving structure is recessed into at least one side surface of the upper body and at least a portion of an upper surface of the upper body.
  • the vacuum cleaner includes an air passageway with an interface and a section formed by a hose or an assembly of the hose and a wand, the section being connected downstream of the interface.
  • the section is externally disposed on the upper body with at least the hose being receivable on the receiving structure.
  • the section is disconnectable in a region of the interface so as to enable a vacuuming mode of operation that is independent of the base unit.
  • FIGS. 1 through 6 show various overall views of the vacuum cleaner of the present invention
  • FIG. 7 is an exploded view showing the base unit of the vacuum cleaner
  • FIG. 8 is an exploded view illustrating the upper body of the vacuum cleaner
  • FIG. 9 is a rear view showing the upper body and portions of the air passageway in an exploded view
  • FIG. 10 is a cross-section through the upper body in the transition region from the hose to the upper body;
  • FIGS. 11 a and 11 b show the swivel elbow in different views
  • FIG. 12 shows the relationship of forces and moments arising when a pull is exerted on the hose in a direction opposite to the direction of travel
  • FIG. 13 shows the relationship of forces and moments arising when a pull is exerted on the hose in a direction angular to the direction of travel
  • the present invention relates to a vacuum cleaner of the upright type, including an upper body containing a dust collection container, a base unit, a carriage permitting said base unit to move on the surface to be cleaned; the upper body being supported such that it is at least tiltable relative to the base unit and capable of being locked in a parked position in which the vacuum cleaner assumes a substantially upright position when standing on the surface to be cleaned; the vacuum cleaner further including a motor-fan unit for creating a partial vacuum to act on the surface to be cleaned, and an air passageway extending from the base unit to the dust collection container, said air passageway having an interface and including a section which is formed by a hose or hose/wand assembly and is located downstream of said interface, said section being arranged externally on the upper body in such a manner that it is securable thereto and that, when disconnected in the region of the interface, it enables a vacuuming mode of operation which is independent of the base unit.
  • the hose can be held in an elongated receiving structure which is substantially U-shaped and is recessed into at least one side surface and at least a portion of the upper surface.
  • the U-shaped receiving structure extends along nearly the entire length of the hose in the retained position, with only a transition region from the hose to the upper body being left free.
  • the hose is prevented from hanging down, and thus, from forming loops.
  • the receiving structure may have a cross-section of a quadrant of a circle.
  • the transition region may include an elbow which is swivel-mounted to the upper body, which increases the vertical stability of the upright when the hose is pulled far in a rearward direction.
  • the transition region is formed by the elbow and a hose section which is surrounded by an anti-kink sleeve.
  • the section downstream of the interface includes a wand member which can also be held in a U-shaped receiving structure, said receiving structure being recessed into another side surface of the upper body.
  • This wand member which may be in the form of a telescoping wand and, in addition, is supplemented by a wand handle, allows the upright to be used without stooping in the manner of a conventional canister vacuum cleaner.
  • the hose may be in the form of a flexible hose which is extensible in length. Thus, the reach is increased.
  • vacuum attachments can be attached to the hose or wand end adjacent to the interface. Such vacuum attachments may be securable to the rear wall of the upper body.
  • the upright vacuum cleaner shown in different views in FIGS. 1 through 6 (hereinafter abbreviated as upright 1 ) includes a base unit 2 , an upper body 3 , and a joint disposed therebetween, which will be described in greater detail further on in this specification.
  • Upright 1 can be brought from an upright position (see FIGS. 1 through 3 ), in which it can be locked and stand unsupported, to a tilted position ( FIGS. 4 and 5 ), or even to a fully flat position ( FIG. 6 ), after the locked engagement has been released (see FIG. 7 ).
  • base unit 2 and upper body 3 are connected in such a manner that they can be tilted relative to each other about an axis X extending horizontally in a position of use (see FIG. 5 ).
  • This pivoting movement is made possible by a joint which is hereinafter referred to as “tilting joint”.
  • the upright In the tilted position, the upright can be rotated about an axis Y, as is also shown in FIG. 5 .
  • the user can maneuver base unit 2 through curves by rotating upper body 3 about the aforesaid axis using handle 4 while simultaneously pulling or pushing the upright.
  • the corresponding joint is hereinafter referred to as “swivel joint”.
  • Base unit 2 shown in the exploded view of FIG. 7 , has a housing including a housing insert 5 , a lower rear housing part 6 , a lower front housing part 7 , a bumper strip 8 , and a cover part 9 .
  • Housing insert 5 functions as a support for a number of electrical and mechanical components.
  • the aforementioned housing parts are also attached thereto.
  • a sealing ring 13 is provided around fan inlet 12 on the suction side, said sealing ring also bearing against the two aforementioned housing parts 5 and 6 . Rubber buffers 14 are inserted on the opposite side.
  • a brush roller 17 extends into suction mouth 15 , which is an opening in lower front housing part 7 and bottom plate 16 , which is attached thereto, said brush roller being resiliently mounted on two lateral pivoting arms 18 and 19 and being driven by a brush motor 20 via a belt 21 .
  • a two-part belt cover is provided by parts 22 and 23 .
  • Brush motor 20 is also attached to housing insert 5 , and pivoting arms 18 and 19 are pivotably secured thereto.
  • the carriage of the upright is formed by front casters 24 and 25 and rear wheels 26 and 27 and is supported by the two lower housing parts 6 and 7 .
  • Rear wheels 26 and 27 are connected by an axle 28 for purposes of stability, and are adjustable in position by means of a wheel mechanism 29 and 30 , respectively.
  • a circuit board 31 carrying LEDs 32 is secured to housing insert 5 to illuminate the travel path and is covered at the front by a transparent plate 33 . Transparent plate 33 is held in a cut-out 34 in bumper strip 8 .
  • the air generated by the motor-fan unit 11 is discharged into the environment through an opening 35 in housing insert 5 and a corresponding opening 36 in cover part 9 .
  • a filter frame 37 is inserted into opening 36 to hold an exhaust filter for removing ultrafine particles from the exhaust air.
  • Filter frame 37 is covered by a grating holder 38 and a grating 39 within cover part 9 , from where it can be replaced.
  • a rigid, yoke-shaped duct member This member also contains portions of the air passageway from suction mouth 15 to upper body 3 , and the air passageway from upper body 3 to the exhaust port (openings 35 and 36 ).
  • This member is hereinafter referred to as yoke 40 . It is formed by two plastic parts, an upper shell 41 and a lower shell 42 , which are welded together.
  • the two ends 43 (right) and 44 (left) of yoke 40 are pivotably mounted in openings 45 and 46 provided for this purpose, and are surrounded by metal bearing sleeves 47 and 48 , respectively, in order to avoid wear.
  • Yoke end 44 which is on the left side as viewed in the direction of travel, is hollow and is coupled to fan inlet 12 via a seal 49 .
  • a trunnion 50 is integrally formed with yoke end 43 , which is on the right side as viewed in the direction of travel.
  • the right yoke end has an opening 51 which is connected by a flexible tube 52 to suction mouth 15 .
  • the connecting portion between the two yoke ends 43 and 44 (hereinafter referred to as bridge portion 53 ) is enclosed by a front cover 54 and a rear cover 55 , which are provided on base unit 2 and are capable of following the swivel motion of yoke 40 .
  • the gap between the front and rear covers and housing insert 5 is bridged by covering members 56 and 57 .
  • the first 58 of two cable ducts 58 and 59 is attached to left yoke end 44 .
  • yoke ends 43 and 44 carry toothed segments 60 and 61 , which cooperate with wheel mechanisms 29 and 30 .
  • a covering cap 62 for a connecting cable is secured to bridge portion 53 .
  • a foot pedal 63 is mounted on housing insert 5 which, in this position, engages with left yoke end 44 , thereby preventing yoke 40 from swiveling.
  • the locked position can be released by depressing pedal 63 .
  • swivel motion is prevented by two spring-mounted pins 64 and 65 .
  • the air passages provided by yoke ends 43 and 44 are combined into a first section 66 of a coaxial conduit.
  • FIG. 8 shows upper body 3 , also in an exploded view.
  • the load-bearing part of upper body 3 is a rear wall 67 .
  • the aforesaid rear wall forms the rear portion of a dust chamber 68 , which in turn receives a dust collection container in the form of a filter bag.
  • a seal 69 surrounds the edge of dust chamber 68 , and a covering strip 70 for cables is attached at the side.
  • a hinge bearing 71 is secured to rear wall 67 in the lower portion thereof.
  • Dust chamber 68 is closed at the front by an upper housing part 72 which is pivoted to hinge bearing 71 by hinges 73 and torsion springs 74 .
  • Upper housing part 72 carries a locking device 75 , a dust bag holder 76 , and a filter replacement indicator 77 and, in addition, serves to cover hinge bearing 71 .
  • rear wall 67 carries the electronics 78 of the upright, which are completely arranged on a holder 79 and can be installed as a pre-tested subassembly.
  • a lever 81 for turning off brush motor 20 is mounted to the holder via a torsion spring 80 .
  • said holder is used to hold handle tube 82 and appliance handle 4 .
  • Electronics 78 are covered by a cap 84 , which also serves for attachment of various controls and indicators and accessories thereof (transparent cover 85 , rotary knob 86 ).
  • An air path system allows dirt-laden air to be optionally sucked in either through the suction mouth in the base unit or through a telescoping wand to which may be attached vacuum attachments such as a crevice tool, a dusting brush, an upholstery tool, etc.
  • the suction air is directed from suction mouth 15 through flexible tube 52 and right yoke end 43 , and further through the inner tube of first section 66 of the coaxial conduit in bridge portion 53 into the inner tube of a second section 87 of the coaxial conduit.
  • This section 87 is continued in rear wall 67 , where it is divided into two separate conduits.
  • the air path continues through a suction duct member 88 into an elbow 89 .
  • a telescoping wand 90 is loosely, and therefore removably, inserted into elbow 89 .
  • the aforesaid telescoping wand merges into a wand handle 91 and further into a flexible suction hose 92 .
  • Suction hose 92 is held in a receiving structure 93 provided for this purpose, as can be seen also in FIG. 3 .
  • the air passes through a swivel elbow 94 into a duct 83 (see FIG. 10 ) which extends along the entire length of rear wall 67 .
  • Duct 83 is defined by rear wall 67 itself and an air duct member 95 placed thereon.
  • a downstream, elbow-shaped duct member 96 which is formed by rear wall 67 and a portion of electronics holder 79 , directs the dirt-laden suction air into the region of dust bag holder 76 , and there into a dust bag.
  • a motor protection filter (the figure shows only the frame 97 for holding the filter) and into the outer annulus of second section 87 of the coaxial conduit, and from there through first section 66 and left yoke end 44 to motor-fan unit 11 .
  • FIG. 8 further shows the components used for attaching and rotatably supporting upper body 3 on yoke 40 .
  • First section 66 of the coaxial conduit is surrounded by a metal ring 98 which is enclosed by injection-molded material and projects beyond the outside diameter of said section 66 , and which is held around its circumference in two bearing shells 99 and 100 .
  • Bearing shells 99 and 100 are connected to upper body 3 . Accordingly, metal ring 98 and bearing shells 99 and 100 together form the swivel joint of upright 1 .
  • the two sections 66 and 87 of the coaxial conduit are joined together with a seal 101 interposed therebetween.
  • FIG. 9 The air path portion that enables vacuuming independently of base unit 2 is shown in an exploded view in FIG. 9 .
  • Elbow 89 provides the interface at which this portion can be separated.
  • Telescoping wand 90 is inserted in elbow 89 and can be removed therefrom.
  • Telescoping wand 90 is, in turn, detachably secured to wand handle 91 .
  • Various vacuum attachments including a dusting brush 102 , an upholstery tool 103 and a crevice tool 104 , are secured on the outside of rear wall 67 of the upper body, and may optionally be attached to either telescoping wand 90 or wand handle 91 .
  • Wand handle 91 is connected to flexible suction hose 92 , the transition region from handle 91 to hose 92 being surrounded by an upper anti-kink sleeve 105 .
  • Flexible hose 92 is then connected to swivel elbow 94 , this second transition region from hose 92 to swivel elbow 94 being surrounded by a lower anti-kink sleeve 106 .
  • receiving structure 93 which holds telescoping wand 90 , wand handle 91 and hose 92 , is U-shaped and extends along nearly the entire length of the two side surfaces 107 and 108 and upper surface 109 of upper body 3 .
  • receiving structure 93 which holds telescoping wand 90 , wand handle 91 and hose 92 , is U-shaped and extends along nearly the entire length of the two side surfaces 107 and 108 and upper surface 109 of upper body 3 .
  • side surface 108 which is on the left side as viewed in the direction of travel and shown to the left in FIG. 9 , only the second transition region, which is formed by swivel elbow 94 and lower anti-kink sleeve 106 , is left free. It can be seen both in FIGS. 3 and 9 and in the cross-sectional view of FIG.
  • receiving structure 93 is recessed into side surfaces 107 and 108 and into upper surface 109 .
  • the cross-sectional view of FIG. 10 further illustrates that in the second transition region on left side 108 , receiving structure 93 has a cross-section of only a quadrant of a circle. Since receiving structure 93 is arranged in side surfaces 107 and 108 and in upper surface 109 of upright 1 , the open side of the receiving structure 93 faces upward and to the left and right sides of upright 1 when it is in the parked position ( FIGS. 1 through 3 ). After completion of a vacuuming operation in a mode that is independent of base unit 2 , the user can simply insert telescoping wand 90 into elbow 89 .
  • An additional positioning aid is provided by a hook 110 on wand handle 91 , which is inserted into an aperture 111 in receiving structure 93 .
  • Telescoping wand 90 and wand handle 91 are then received by receiving structure 93 in right side wall 107 .
  • flexible hose 92 lays itself into the portion of receiving structure 93 that faces toward upper surface 109 .
  • the remainder of the hose 92 can then be stored in receiving structure 93 at left side wall 108 with a slight pressure from the side.
  • the upper anti-kink sleeve 105 behind wand handle 91 is made from a relatively soft plastic material, such as TPE or PVC, having a hardness between 60 and 70 Shore A, and can therefore be easily pressed into receiving structure 93 .
  • Swivel elbow 94 is rotatably mounted on the inlet of duct 83 , which is provided by rear wall 67 and the air duct member 95 placed thereon.
  • Projection 941 which projects into the duct, is surrounded by a seal 112 and a torsion spring 113 , one end 114 of which is secured to swivel elbow 94 itself.
  • the other end 115 rests in a guide in duct 83 .
  • lower anti-kink sleeve 106 may be made from a relatively hard, inflexible material, such as polypropylene. Accordingly, the unstable flexible hose 92 can be supported and guided.
  • anti-kink sleeve 106 may be at least 140 mm in length.
  • FIG. 12 shows the relationship of forces arising in a situation where the swivel elbow has been rotated through 110° and locked in position and the user pulls upright 1 behind him/her by hose 92 .
  • swivel elbow 94 and lower anti-kink sleeve 106 act as a lever arm of length X.
  • the pulling force acts at a point far below the center of gravity S in very close proximity to the tip-over point defined by the rear wheels (line of force c).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
US12/199,095 2007-08-30 2008-08-27 Upright vacuum cleaner Abandoned US20090056055A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007040956.9 2007-08-30
DE102007040956A DE102007040956A1 (de) 2007-08-30 2007-08-30 Upright-Staubsauger

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US20090056055A1 true US20090056055A1 (en) 2009-03-05

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US20090056061A1 (en) * 2007-08-30 2009-03-05 Miele & Cie. Kg Upright vacuum cleaner
US20090056054A1 (en) * 2007-08-30 2009-03-05 Miele & Cie. Kg Upright vacuum cleaner
US20110023256A1 (en) * 2009-07-30 2011-02-03 G.B.D. Corp. Surface cleaning apparatus
US20110088205A1 (en) * 2009-10-15 2011-04-21 Dyson Technology Limited Surface treating appliance

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DE102012112532A1 (de) 2012-12-18 2014-06-18 Miele & Cie. Kg Upright-Staubsauger

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US6108861A (en) * 1995-12-06 2000-08-29 Royal Appliance Mfg. Co. Extendable hose for a vacuum cleaner
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US20060070204A1 (en) * 2004-10-05 2006-04-06 Tacony Corporation Flow control valve system for an upright vacuum cleaner with a cleaning hose
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090056061A1 (en) * 2007-08-30 2009-03-05 Miele & Cie. Kg Upright vacuum cleaner
US20090056054A1 (en) * 2007-08-30 2009-03-05 Miele & Cie. Kg Upright vacuum cleaner
US8196257B2 (en) 2007-08-30 2012-06-12 Miele & Cie. Kg Upright vacuum cleaner
US8286302B2 (en) 2007-08-30 2012-10-16 Miele & Cie. Kg Upright vacuum cleaner
US20110023256A1 (en) * 2009-07-30 2011-02-03 G.B.D. Corp. Surface cleaning apparatus
US8479358B2 (en) * 2009-07-30 2013-07-09 G.B.D. Corp. Surface cleaning apparatus
US8713754B2 (en) * 2009-07-30 2014-05-06 G.B.D. Corp. Surface cleaning apparatus
US20110088205A1 (en) * 2009-10-15 2011-04-21 Dyson Technology Limited Surface treating appliance

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