US3815170A - Cleaning nozzle attachment for a suction cleaner - Google Patents

Cleaning nozzle attachment for a suction cleaner Download PDF

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Publication number
US3815170A
US3815170A US00268126A US26812672A US3815170A US 3815170 A US3815170 A US 3815170A US 00268126 A US00268126 A US 00268126A US 26812672 A US26812672 A US 26812672A US 3815170 A US3815170 A US 3815170A
Authority
US
United States
Prior art keywords
attachment
socket member
nozzle body
guideway
wand
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 - Lifetime
Application number
US00268126A
Other languages
English (en)
Inventor
J Brooks
R Meyer
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.)
White Consolidated Industries Inc
Original Assignee
National Union Electric Corp
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 National Union Electric Corp filed Critical National Union Electric Corp
Priority to US00268126A priority Critical patent/US3815170A/en
Priority to CA173,028A priority patent/CA982310A/en
Priority to GB3483873*A priority patent/GB1423556A/en
Priority to GB2913873A priority patent/GB1423555A/en
Priority to IT51128/73A priority patent/IT985818B/it
Priority to DE7324238U priority patent/DE7324238U/de
Priority to DE19732365443 priority patent/DE2365443C3/de
Priority to DE19732333247 priority patent/DE2333247C3/de
Priority to JP48073363A priority patent/JPS5219913B2/ja
Priority to FR7324253A priority patent/FR2236465B1/fr
Priority to US432679A priority patent/US3908223A/en
Application granted granted Critical
Publication of US3815170A publication Critical patent/US3815170A/en
Priority to CA223,050A priority patent/CA982311A/en
Assigned to WHITE CONSOLIDATED INDUSTRIES, INC., A CORP. OF DE reassignment WHITE CONSOLIDATED INDUSTRIES, INC., A CORP. OF DE MERGER (SEE DOCUMENT FOR DETAILS). Assignors: NATIONAL UNION ELECTRIC CORPORATION
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • ABSTRACT A cleaning nozzle attachment for a canister-type suction cleaner or built-in cleaning system, wherein an electric motor driven brush roll is rotatably mounted in a suction chamber in the body of the attachment so as to agitate a portion of the rug or carpet underlying the suction opening of the attachment when the latter is in operation.
  • a socket member is pivotally mounted at the rear of the body and serves to communicate suction to the suction chamber through a plurality of connected tubular wands which are detachably connected to the socket member and which provide a handle for manipulating the attachment.
  • a pair of wheels are carried by the wand socket member and the downward thrust component from the wands is transmitted to the wheels rather than to the socket member by mounting the wheels on the socket member so that the wheel axis is substantially intersected between so that the nozzle body floats" bodily on the surface of a rug or carpet being cleaned.
  • a pair of ramps are provided on the nozzle body which coact with a pair of trunnion pins on the wand socket member to cause the wheels to be positively extended to a predetermined lowered position with respect to the underside of the nozzle body when the wands and socket member are pivoted to an upright position.
  • Cleaning nozzle attachments of the type disclosed in the aforementioned patents have not proved entirely satisfactory for various reasons.
  • One reason is that many of the attachments did not make any provision for compensating for irregularities in the surface and/or thickness of the rug or carpet being cleaned. Consequently, the nozzle openings thereof did not at all times make good contact with the surface of the rug or carpet being cleaned and cleaning efficiency was therefore reduced.
  • cleaning nozzle attachments of the type disclosed in the aforementioned patents were difficult to push on a shag carpet.
  • Some of the nozzle attachments heretofore advanced did attempt to compensate for irregularities in the surface and/or thickness of the rug or carpet being cleaned by permitting the nozzle body to float on the surface of the rug or carpet.
  • An example of an attachment of this type is disclosed in the Hurd US. Pat. No. 2,842,793.
  • the floating action provided by the I-Iurd attachment is, however, of the oscillating rather than the vertically reciprocating type. Consequently, the nozzle openings of such attachments likewise did not at all times make good contact with the surface of the rug or carpet being cleaned, particularly with shag rugs and carpets.
  • attachments heretofore developed were also objectionable from a stability standpoint in that, because of the relatively small size of the nozzle body thereof, such attachments were easily tipped over if accidentally bumped or jarred while unsupported.
  • Another object is to provide a novel cleaning nozzle attachment of the type that is adapted to be manipulated over arug or carpet by one or more connected tubular wands, wherein the attachment is substantially free of any downward component of the thrust force applied to the wands to manipulate the attachment over the surface of a rug or carpet to be cleaned.
  • a more particular object is to provide a novel cleaning nozzle attachment of the character described, wherein a lost motion connection is provided between the body of the attachment and a wand-receiving socket member thereof so that the entire nozzle body is free to float on the surface of a rug or carpet being cleaned.
  • a further object is to provide a novel cleaning nozzle attachment of the character described, wherein a novel mechanism is employed for positively extending a pair of wheels at the rear of the nozzle body to a predetermined lowered position with respect to the underside of the nozzle body when the wand receiving socket of the attachment is swung to an upright position so that the attachment is stable while resting on a supporting surface.
  • FIG. 1 is a perspective view of a cleaning nozzle attachment embodying the features of the present invention and showing the latter as it would appear when 7 connected to the suction inlet of an associated canistertypesuction cleaner by a plurality of connected tubular wands and a length of flexible hose;
  • FIG. 2 is a side elevational view of the attachment and connected wand sections shown in FIG. 1, and showing, in broken lines, the approximateposition that the wheels at the rear of the attachment and the wand socket member thereof would occupy when the attachment is in use;
  • FIG. 3 is an enlargedtransverse sectional view taken along the lines 3-3 of FIG. 2;
  • FIG. 4 is a bottom plan view, with most of the base plate thereof broken away to show internal structural details, of the cleaning nozzle attachment illustrated in FIGS; 1 and 2;
  • FIG. 5 is a longitudinal sectional view taken along the line 5-5 of FIG. 4;
  • FIG. 5a is a fragmentary, longitudinal sectional view, similar to FIG. 5 but with portions of the attachment removed, showing additional structural details of the wheel extending mechanism;
  • FIG. 6 is a fragmentary, longitudinal sectional view taken along the line 66 of FIG. 4;
  • FIG. 7 is a rear elevational view, with portions broken away to show internal details, of the attachment illustrated in FIGS. 1, 2 and 4;
  • FIG. 8 is a longitudinal sectional view, similar to FIG. 5, showing an alternate construction of the mechanism of the attachment for extending the wheels to a lowered position which stabilizes the attachment when the wands and wand socket are pivoted to an upright position;
  • FIG. 9 is a fragmentary longitudinal sectional view, similar to FIG. 8 but with portions of the attachment removed, showing additional structural details of the wheel extending mechanism;
  • FIG. 10 is a fragmentary bottom plan view of the portion of the nozzle attachment shown in FIG. 9;
  • FIG. 11 is a fragmentary bottom plan view, similar to FIG. 10, showing an alternate cross sectional shape for the guideways of the attachment;
  • FIG. 12 is a horizontal sectional view, with a portion thereof in elevation, through one of the wheels and an alternate guide construction of the attachment;
  • FIG. 13 is an end view of the guide illustrated in FIG.
  • the present invention contemplates a novel cleaning nozzle attachment or accessory tool, which is primarily adapted for use with a canister-type suction cleaner, although it is also suited for use with the so-called central or built-in type systems.
  • Such attachment includes a nozzle body having a suction opening in the underside thereof adjacent to the front end of the body, and a hollow socket member that is centrally pivotally mounted at the rear of the body.
  • the socket member communicates with the suction opening in the underside of the body and has a tubular portion for receiving one end of a plurality of connected tubular wands.
  • Agitating means in the form of an electric motor-driven brush roll, is rotatably mounted in a chamber in the body above the suction opening and is operable when driven to impart a beating and brushing action to the rug or carpet being cleaned.
  • a lost motion connection is provided between the nozzle body and the wand socket member.
  • Such lost motion connection includes at least one and preferably a pair of vertically extending, transversely spaced guideways in the nozzle body for slidably receiving the end portions of an axle mounted in the body.
  • Bearing means are mounted on the end portions of the axle and are vertically shiftable in the guideways.
  • a pair of wheels are also mounted on the axle between the socket member and the guideways.
  • the guideways are substantially circular in cross section and the bearing means comprise substantially spherical guides. Consequently, the axle may rock in a transverse plane through the guideways.
  • the guideways are non-circular in cross section and the bearing means comprise disks having substantially the same cross sectional shape as the guideways. Consequently, in this embodiment, little or no rocking movement of the axle can occur in the plane of the guideways.
  • the downward component of the thrust force applied to the wands by a user is prevented from being applied to the nozzle body by locating the axle on the socket member so that the axis of the axle is substantially in tersected by the axis of the connected wands.
  • the nozzle attachment also includes mechanism for extending the wheels to a lowered position with respect to the underside of the nozzle body when the wands and wand socket member are pivoted to a substantially upright position.
  • Such mechanism includes at least one ramp carried by the nozzle body and at least one abutment carried by the socket member and movable into engagement with the ramp as the socket member is pivoted to an upright position.
  • Releasable retaining means is also provided for releasably retaining the wheels in the lowered position.
  • the releasable retaining means comprises a depression in the ramp and spring means for engaging and biasing the abutment into the depression.
  • the releasable retaining means comprises a shoulder on the ramp.
  • FIG. 1 a rug and carpet cleaning nozzle attachment embodying the features of the present invention is illustrated and indicated generally at 20.
  • the attachment is shown connected to a canister-type suction cleaner 21 and will be described hereinafter in connection with such cleaner. It should be understood however, that the attachment 20 could also be used with some other suitable source of vacuum, such as a central or built-in cleaning system.
  • the lower end of at least one and, in the present instance, a pair of connected tubular wands 22 and 23, is connected to the tubular portion 24 of the socket member 25 that is pivotally mounted in the attachment 20.
  • One end, indicated at 26, of a length of flexible hose 27 is shown connected to the upper end of the connected wands 22 and 23, and the opposite end, indicated at 28, of the hose is shown connected to the inlet of the cleaner 21.
  • the attachment 20 comprises a generally box-like housing or body 36 having a transverse dimension that is approximately twice as great as its longitudinal dimension.
  • longitudinal and transverse relate to the normal direction of movement of the housing36 over a rug or carpet when the attachment is in use, i.e., forward and backward. movements of the attachment would be in a longitudinal direction and sideways movements of the attachment would be in a transverse direction.
  • a base plate 37 is detachably secured to the underside of the body 36 and is provided with an elongated aperture or suctionopening 38 therein adjacent the front end, indicated at 42, of the housing and extending transversely with-respect thereto.
  • the socket member 25 is centrally mounted in the nozzle body 36 adjacent the rear end, indicated at 33, thereof.
  • a central outlet-port 46 is formed in a rear wall 47 of the chamber 44, and a length of flexible hose 48 connects the port 46 with the inclined inner end, indicated at 52 in FIG. 5, of the tubular portion 24 of the wand socket member 25.
  • drive means in the form of an electric motor 53 (FIG. 4) is mounted in the housing 36, and the output shaft thereof, indicated at 54, is connected to the brush roll 43 by a belt 56 which extends around the shaft 54 and a pulley 57 connected to the brush roll 43.
  • the receptacle 59 is internally connected to the line cord, indicated at 60, of the cleaner 2]., and power to the receptacle 59 may be controlled by the same switch (not shown) that controls the operation of the cleaner 21.
  • the latter switch may be controlled by a foot-actuated treadle 61 at one end of the cleaner.
  • the plug 66 When the attachment is receiving power from the receptacle 59, the plug 66 is connected to a receptacle (not shown) in the end 26 of the flexible suction hose 27. Electrical conductors (not shown) extend throughout thelength of the hose '27 and are preferably integrated into the reinforcing structure thereof.
  • the electrical conductors in the hose 27 emerge from a boss 67 thereon adjacent the cleaner end 28 thereof as a separate wire 68 having a plug 72 at the end thereof.
  • the plug 72 may be a standard two or three conductor plug which may be directly connected to a conventional 120 volt A.C. wall outlet or it may be a special use two or three conductor plug, which will only allow connection to a mating special use receptacle on the canister housing.
  • the flow of current to thereceptacle 59and' hence to the plug 72 and electrical motor 53 of the attachment 20, is controlled by the same switch that controls the operation of the cleaner 21.
  • the cord 58 is preferably enclosed in a channel 63 (FIGS. 1, 2 and 3), which extends along the connected wands 22 and 23 and which is releasably secured thereto as by releasable metal clips 64.
  • a novel lost motion connection is provided between the socket member and nozzle body 36.
  • Such lost motion connection comprises pivot axis means, such as an axle 73 (FIGS. 4-7, inclusive) which is carried in a transversely extending bore 74 in a generally cylindrical boss 76 formed integrally with the socket member 25.
  • the bore 74 and boss 76 are located so that the axis of the axle 73 is substantially intersected by the axis of the tubular portion 24 of the socket member 25 and hence by the axis of the connected wands 22 and 23.
  • Rug and carpet engaging means comprising at least one and preferably a pair of wheels, respectively indicated at 77 and'78, are rotatably mounted on the axle 73 adjacent the boss portion 76 of the socket member 25.
  • Each of the wheels 77 and 78 has an enlarged hub 79, and the axial end faces of each hub 79 serve as bearing surfaces for the wheels.
  • the guideways 87 and 88 are circular in cross section and are of a length substantially equal to that of the vertical height of the housing 36 (FIG. 6).
  • Movement of the ends 81 and 82 of the axle 73 in the guideways 87 and 88 is provided for by bearing means in the form of a pair of spherical guides 93 and 94, which are respectively mounted on the ends .81 and 82 of the axle and which are axially shiftable on said ends.
  • the guides 93 and 94 control movements of the axle 73 in a substantially vertical plane passing through the slots 84 and guideways 87 and 88 and, because of their spherical form, permit the axle 73 to rock to limited extent in the aforementioned plane.
  • the guides 93 and 94 are retained in the guideways 87 and 88 by a pair of retainers 96, which may be rernovably secured to the bosses 92 as by screws 97.
  • the nozzle body 36 is free to rise and fall on the surface of the rugor carpet being cleaned with changes in the thickness or resiliency of the pile of the rug or carpet due to the lost motion connection between the nozzle body 36 and socket member 25.
  • the guides 93 and 94 are freely vertically movable in the guideways 87 and 88, the nozzle body 36 is likewise free to move vertically relative to the wheels 77 and 78 as the attachment is manipulated over the surface of a rug or carpet being cleaned.
  • the housing 36 will bodily -float on the surface of a rug or the pile of a carpet being cleaned and is easily pushed or manipulated on the rug or carpet.
  • the axle 73 is located in the socket member 25 so that the wheel axis is substantially intersected by the axis of the connected wands 22 and 23, the downward component of the thrust force exerted on the wands is prevented from being applied to the nozzle body 36.
  • the guides 93 and 94 will accommodate a limited amount of rocking movement of the axle 73 in the plane of the guideways 87 and 88, the nozzle body 36 will adapt itself to any irregularities in the surface of the rug or carpet being cleaned so that an optimum cleaning action is at all times obtained.
  • the axle 73, guide 93, and wheels 77 and 78 of the attachment 20 are shown in broken lines in the positions they might occupy when the nozzle body 36 is traversing a rug or carpet having an irregular surface so that the axle is caused to rock in the plane of the guideways 82 and 87.
  • the aforementioned broken line positions of the axle 73, guide 93, and wheels 77 and 78 are respectively indicated at 73', 93', 77' and 78' in FIG. 7.
  • the attachment includes mechanism, indicated generally at in FIG. 5, for extending the wheels 77 and 78 to a predetermined lowered position with respect to the underside of the nozzle body 36.
  • the mechanism 100 thus comprises at least one and preferably a pair of transversely spaced ramps 103 and 104 (FIGS.
  • the ramps 103 and 104 have inclined surfaces 110 which respectively coact with the pins 105 and 106 to exert a downward force on the socket member 25 as the tubular portion 24 thereof is swung to an upright position by the wands 22 and 23.
  • the wheels .77 and 78 will be positively shifted to their lowermost or fully downwardly extended position, as shown in full lines in FIGS. 2 and 5. Consequently, the rear end 33 of the nozzle body 36 is elevated sufficiently so that when the body 36 is resting on a horizontal surface, represented by the line 111 in FIG.
  • the attachment 20 When so supported, the attachment 20 is stable and rests on a substantially triangularly shaped base. The attachment is therefore less likely to be accidentally knocked over than if the wheels 77 and 78 were not extended and, because the rear end of the body 36 is elevated when the wheels are extended, the bristles on the brush roll 43 are prevented from contacting and being deformed by a hard surface.
  • able retaining means In order to prevent undesired retraction of the wheels 77 and 78 due to accidental bumping or jarring of the wands 22 and 23 when the latter are in their upright position illustrated in full lines in FIGS. 2 and 5, releas; able retaining means, indicated generally at 1 in FIG. 5, is provided for releasably retaining the pins 105 and 106 in a predetermined position on the ramps 103 and 104 corresponding to the extended or lowered position of the wheels 77 and 78.
  • Such releasable retaining means preferably comprises at least one and preferably a pair of recesses 116 in the inclined surfaces 1 10 of the ramps 103 and 104 for respectively receiving the pins 105 and 106 when the pins have moved to a position on the ramps corresponding to the fully extended position of the wheels 77 and 78.
  • Spring means in the form of a pair of resilient arms 117 are each secured at one end as by screws 118 to the housing 36 so that the free ends, indicated at 119, of the arms will engage and urge the pins 105 and 106 into the recesses 116.
  • the recesses 116 and resilient arms 117 coact to releasably retain the pins 105 and 106 in the predetermined positions on the ramps 103 and 104 when the tubularportion 24 of the socket member 25 and the wands 22 and 23, are pivoted fully to their upright, full-line positions illustrated in FIGS. 1, 2 and 5.
  • FIGS. 8, 9 and 10 an alternate construction is illustrated and indicated generally at 125,
  • the releasable retaining means 125 comprises at least one and preferably a pair of shoulders or flat portions 126 (FIGS. 8, 9 and 10) on the ramps 103 and 104, at one end of the inclined surfaces 110, the pins and 106 being movable onto the surfaces as the tubular portion 24 of the socket member 25 is pivoted to its upright, fullline position illustrated in FIG. 8.
  • the pins 105 and 106 will be frictionally and hence releasably retained in a predetermined position on the ramps 103 and 104 corresponding to the fully extended or lowered position of the wheels 77 and 78.
  • FIGS. 11-13 inclusive, an alternate guideway and bearing construction is illustrated, for guiding movements of the axle 73 with respect to the housing 36. Since the alternate construction is symmetrical, only the portion thereof adjacent to the right end of the axle, as viewed in FIG. 4, has been illustrated in FIG. 11.
  • the guideway, indicated at 131 in FIG. 11, is similar to the guideway 87 shown in FIGS. 4-7 in that the former is also formed in an enlarged boss 132 on the laterally outer side of the housing wall portion 86.
  • the guideway 131 differs from the guideway 87 in that the former is rectangular, rather than circular, in cross section.
  • the bearing means which is movable in the guideway 131, is likewise rectangular in cross section and closely fits the interior of the guideway 131.
  • the bearing means is in the form of a disk-like guide 133 having a diameter substantially equal to the longitudinal dimension of the guideway 131 and a thickness equal to the transverse dimension of the guideway 131.
  • a cleaning nozzle attachment adapted to be connected to a source of vacuum and to be manipulated over a rug or carpet to be cleaned by at least one tubular wand which communicates vacuum to said attachment, said attachment comprising a nozzle body having a suction opening on the underside thereof and a hollow socket member having pivot axis means pivotally mounting said socket member in said body, said socket member communicating with said suction opening and having a tubular portion adapted to receive one end of said wand, the axis of said pivot axis means extending transversely to the axis of said tubular portion so as to be substantially intersected by the axis of said wand, means carried by said pivot axis means for engaging the surface of a rug or carpet being cleaned and for supporting said nozzle body on said surface, said last men- I tioned means also being operable to transmit any downward component of the thrust force applied to said socket member by said wand to said surface, and a lost motion connection between said pivot axis means and said nozzle body accommodating relative movement therebetween
  • said lost motion connection comprises at least one elongated, substantially vertically extending guideway in said nozzle body, said pivot axis means has a portion extending into said guideway, and bearing means is mounted on said portion and disposed in said guideway, whereby said bearing means is operable to transmit the horizontal component of the thrust force applied to said wand to said nozzle body through said guideway.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
US00268126A 1972-06-30 1972-06-30 Cleaning nozzle attachment for a suction cleaner Expired - Lifetime US3815170A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
US00268126A US3815170A (en) 1972-06-30 1972-06-30 Cleaning nozzle attachment for a suction cleaner
CA173,028A CA982310A (en) 1972-06-30 1973-06-01 Cleaning nozzle attachment for a suction cleaner
GB3483873*A GB1423556A (en) 1972-06-30 1973-06-19 Cleaning nozzle attachments charging machines
GB2913873A GB1423555A (en) 1972-06-30 1973-06-19 Cleaning nozzle attachment for a suction cleaner
IT51128/73A IT985818B (it) 1972-06-30 1973-06-28 Accessorio o bocchetta di pulizia per aspirapolvere
DE19732365443 DE2365443C3 (de) 1972-06-30 1973-06-29 Saugmundstück für Staubsauger
DE7324238U DE7324238U (de) 1972-06-30 1973-06-29 Saugduese fuer staubsauger zum absaugen von teppichen
DE19732333247 DE2333247C3 (de) 1972-06-30 1973-06-29 Saugmundstück für Staubsauger
JP48073363A JPS5219913B2 (de) 1972-06-30 1973-06-30
FR7324253A FR2236465B1 (de) 1972-06-30 1973-07-02
US432679A US3908223A (en) 1972-06-30 1974-01-11 Cleaning nozzle attachment for a suction cleaner
CA223,050A CA982311A (en) 1972-06-30 1975-03-25 Cleaning nozzle attachment for a suction cleaner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00268126A US3815170A (en) 1972-06-30 1972-06-30 Cleaning nozzle attachment for a suction cleaner
US432679A US3908223A (en) 1972-06-30 1974-01-11 Cleaning nozzle attachment for a suction cleaner

Publications (1)

Publication Number Publication Date
US3815170A true US3815170A (en) 1974-06-11

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Family Applications (2)

Application Number Title Priority Date Filing Date
US00268126A Expired - Lifetime US3815170A (en) 1972-06-30 1972-06-30 Cleaning nozzle attachment for a suction cleaner
US432679A Expired - Lifetime US3908223A (en) 1972-06-30 1974-01-11 Cleaning nozzle attachment for a suction cleaner

Family Applications After (1)

Application Number Title Priority Date Filing Date
US432679A Expired - Lifetime US3908223A (en) 1972-06-30 1974-01-11 Cleaning nozzle attachment for a suction cleaner

Country Status (5)

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US (2) US3815170A (de)
JP (1) JPS5219913B2 (de)
CA (1) CA982310A (de)
FR (1) FR2236465B1 (de)
GB (2) GB1423556A (de)

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US4079965A (en) * 1976-11-01 1978-03-21 Consolidated Foods Corporation Vacuum cleaner wand
US4204297A (en) * 1978-01-19 1980-05-27 Mototsugu Kuroda Vacuum cleaner
US4305176A (en) * 1979-09-04 1981-12-15 Black & Decker Inc. Air-powered vacuum cleaner floor tool
US4306330A (en) * 1979-09-04 1981-12-22 Black & Decker Inc. Air-powered vacuum cleaner floor tool
US4307485A (en) * 1979-09-04 1981-12-29 Black & Decker Inc. Air-powered vacuum cleaner floor tool
US20030111126A1 (en) * 2001-12-17 2003-06-19 Gregory Moulton Current carrying stretch hose
US20040194251A1 (en) * 2003-04-04 2004-10-07 Overvaag Chad D. Upright vacuum cleaner equipped with electrified stretch hose and wand
EP1618822A1 (de) * 2004-07-17 2006-01-25 Wessel-Werk GmbH & Co. KG Bürstenvorsatzgerät für Haushaltsstaubsauger
US20070089264A1 (en) * 2005-10-20 2007-04-26 Echo Trading, Llc Suction apparatus for a vacuum cleaner

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JPS51132664A (en) * 1975-11-08 1976-11-17 Nat Union Erekutoritsuku Corp Cleaning nozzle accessory for suction cleaner
JPS5726934U (de) * 1980-07-18 1982-02-12
DE8509150U1 (de) * 1985-03-27 1985-05-23 Vorwerk & Co Interholding Gmbh, 5600 Wuppertal Staubsaugerdüse
US4799286A (en) * 1986-08-04 1989-01-24 Rubin Berl I Power driven vacuum sweeper
US4782552A (en) * 1987-07-24 1988-11-08 Riccar America Company Upright vacuum cleaner
US5020186A (en) * 1990-01-24 1991-06-04 Black & Decker Inc. Vacuum cleaners
US5084934A (en) * 1990-01-24 1992-02-04 Black & Decker Inc. Vacuum cleaners
CA2048098C (en) * 1991-07-29 1994-10-18 The Bank Of Nova Scotia Lift-off mechanism for an upright vacuum cleaner
US5398373A (en) * 1993-01-04 1995-03-21 Bissell Inc. Combination vacuum cleaner and water extractor power foot
US5483726A (en) * 1993-01-04 1996-01-16 Bissell Inc. Combination vacuum cleaner and water extractor power foot
US5455984A (en) * 1993-09-01 1995-10-10 Bissell Inc. Cleaning machine and control switch therefor
US6167587B1 (en) 1997-07-09 2001-01-02 Bissell Homecare, Inc. Upright extraction cleaning machine
US6438793B1 (en) 1997-07-09 2002-08-27 Bissell Homecare, Inc. Upright extraction cleaning machine
USRE39304E1 (en) * 1997-07-09 2006-09-26 Bissell Homecare, Inc. Upright extraction cleaning machine
US20050160555A1 (en) * 2004-01-27 2005-07-28 Panasonic Corporation Of North America Vacuum cleaner with twin independently driven agitators
US20050172447A1 (en) * 2004-02-05 2005-08-11 Panasonic Corporation Of North America Floor cleaning apparatus with twin agitators having different diameters
KR100642075B1 (ko) 2005-10-21 2006-11-10 삼성광주전자 주식회사 진공청소기의 흡입노즐
GB2470920A (en) * 2009-06-09 2010-12-15 Dyson Technology Ltd Agitating menas for a cleaning head
GB2470918A (en) * 2009-06-09 2010-12-15 Dyson Technology Ltd Agitating means for a cleaning head
GB2470919A (en) * 2009-06-09 2010-12-15 Dyson Technology Ltd Agitating means for a cleaning head
GB2470917A (en) * 2009-06-09 2010-12-15 Dyson Technology Ltd Agitating means for cleaning head
ITPT20100009U1 (it) * 2010-10-01 2012-04-02 Spival Spa Spazzola per aspirapolvere con condotto interno di aspirazione.
US8667644B1 (en) 2010-10-27 2014-03-11 Greg Marion Vacuum cleaner attachment

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US4204297A (en) * 1978-01-19 1980-05-27 Mototsugu Kuroda Vacuum cleaner
US4305176A (en) * 1979-09-04 1981-12-15 Black & Decker Inc. Air-powered vacuum cleaner floor tool
US4306330A (en) * 1979-09-04 1981-12-22 Black & Decker Inc. Air-powered vacuum cleaner floor tool
US4307485A (en) * 1979-09-04 1981-12-29 Black & Decker Inc. Air-powered vacuum cleaner floor tool
US20030111126A1 (en) * 2001-12-17 2003-06-19 Gregory Moulton Current carrying stretch hose
US20040194251A1 (en) * 2003-04-04 2004-10-07 Overvaag Chad D. Upright vacuum cleaner equipped with electrified stretch hose and wand
EP1618822A1 (de) * 2004-07-17 2006-01-25 Wessel-Werk GmbH & Co. KG Bürstenvorsatzgerät für Haushaltsstaubsauger
CN1720849B (zh) * 2004-07-17 2010-05-05 维斯尔-韦克有限及两合公司 用于家用真空吸尘器的毛刷附件
US20070089264A1 (en) * 2005-10-20 2007-04-26 Echo Trading, Llc Suction apparatus for a vacuum cleaner

Also Published As

Publication number Publication date
CA982310A (en) 1976-01-27
GB1423555A (en) 1976-02-04
JPS4943456A (de) 1974-04-24
JPS5219913B2 (de) 1977-05-31
US3908223A (en) 1975-09-30
FR2236465A1 (de) 1975-02-07
DE2333247A1 (de) 1974-01-17
DE2365443A1 (de) 1975-01-16
GB1423556A (en) 1976-02-04
FR2236465B1 (de) 1977-02-18
DE2333247B2 (de) 1976-05-20
DE2365443B2 (de) 1976-02-26

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Free format text: MERGER;ASSIGNOR:NATIONAL UNION ELECTRIC CORPORATION;REEL/FRAME:005270/0923

Effective date: 19891211