US3621640A - Electric vacuum cleaner - Google Patents

Electric vacuum cleaner Download PDF

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Publication number
US3621640A
US3621640A US864686A US3621640DA US3621640A US 3621640 A US3621640 A US 3621640A US 864686 A US864686 A US 864686A US 3621640D A US3621640D A US 3621640DA US 3621640 A US3621640 A US 3621640A
Authority
US
United States
Prior art keywords
dust
dust collecting
main filter
collecting vessel
vessel
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
US864686A
Other languages
English (en)
Inventor
Hiroshi Ohno
Katuo Sawada
Chuzi Takeda
Kenji Okano
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP7627568A external-priority patent/JPS511950B1/ja
Priority claimed from JP1968091452U external-priority patent/JPS4727176Y1/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of US3621640A publication Critical patent/US3621640A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1409—Rigid filtering receptacles
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/12—Dry filters
    • A47L9/122—Dry filters flat
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/02—Vacuum cleaner bags
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/03—Vacuum cleaner

Definitions

  • a vacuum cleaner comprising a body housing an electric fan and a dust collecting vessel removably mounted in said body, said dust collecting vessel having a suction port at a front end thereof and a widely open rear end Where a dust removing n nit composed of a prefilter of rough meshes, a main filter of fine meshes and means for causing vibration of said main lter to shake ofi dust attached thereto is removably mounted.
  • the dust collecting vessel is further provided with a bypass channel which compensates for a decrease of air ow through said prefilter due to dust accumulation, whereby a large dust collecting capacity is obtained.
  • This invention relates to an electric vacuum cleaner and more particularly an electric vacuum cleaner comprising a body housing an electric fan and a dust collecting vessel detachably mounted in said housing.
  • the primary filter, the secondary filter and the dust removing means are all independently mounted in a body of the cleaner, and therefore, when the dust is to be discharged, the cleaner must as a whole be carried to a spot of a dust bin and there the primary and secondary filters must separately be taken out from the body of the cleaner.
  • Such a process is very troublesome, and still the disadvantage that hands are soiled by the dust in the operation of discharging the same is not removed'Furthermore, since the secondary filter is made are of a cloth material, the dust removing means is required to give direct deformation to all portions of the filter, and therfore, the dust removing means must be of a large size. And still, there remains the disadvantage that the secondary filter made of a cloth material gets clogged within a very short period.
  • an electric vacuum cleaner comprising a body housing an electric fan and a dust collecting vessel detachably mounted in said body and having a suction port at a front end thereof and an open rear end for discharging dust therefrom, characterized by a dust removing unit detachably mounted at the rear end of said dust collecting vessel and including an assembly of a prelter of rough meshes for catching large dust, a main filter of fine meshes for catching fine dust ⁇ which have passed through said preiilter and a dust shaking-otf means adapted to cause vibration of said main filter so as to shake off the dust from said main lter.
  • Another object of this invention is to provide an improved structure of a filtering unit including a prelter, a main filter and means for shaking off dust from said main filter, whereby large and ne dust particles are separately caught and collected for the purpose of high dust collecting etiiciency on one hand and the collected dust particles are easily discharged with no necessity of disassembling said unit on the other hand.
  • Still another object of this invention is to provide the abovementioned unit in a very simple and light structure.
  • a further object of this invention is to provide an -improved structure of said main filter which is easily removed of dust caught thereby and less liable to get clogged.
  • a further object of this invention is to provide an improved dust collecting vessel provided with a bypass air passage which substantially lengthens the period of operation between dust discharges.
  • FIG. 1 is'an elevational view of an embodiment of electric vacuum cleaners according to this invention, wherein essential portions thereof are shown in an axial section;
  • FIG. 2 is a perspective view of the body of the cleaner shown in FIG. l, wherein the dust collecting vessel and the accompanying dust removing unit are removed;
  • FIG. 3 is a perspective view of the dust collecting vessel mounted with the dust removing unit
  • FIG. 4 is an enlarged perspective view of the dust removing unit
  • FIGS. 5a-5d are perspective views of various parts constituting the dust removing unit, wherein FIG. 5a shows a casing and the preflter mounted thereto, FIG. 5b the main filter, FIG. 5c a perforated end plate and FIG. 5d a slider;
  • FIG. 6 is an enlarged perspective view of the main filler
  • FIG. 7 is a further enlarged perspective view of means for pivotally mounting the pretilter to the casing
  • FIG. 8 is an enlarged perspective view of the dust removing means shown in a condition when the prefilter is swung open;
  • FIG. 9 is a perspective view of a filter element of the main filter.
  • FIG. 10 is a cross section of a part of the filter element shown in FIG. 9;
  • FIG. 1l is a graph showing performances of two cleaners of different structure.
  • FIG. l2 discloses the by-pass filter.
  • the electric vacuum cleaner shown in the drawing comprises a body 2 housing an electric fan 1 and having an air outlet port (not shown) at a rear end thereof and a dust collecting vessel 6 having an air inlet port 3 at a front end thereof and an open rear end 4 where a dust removing unit 5 is mounted.
  • the dust collecting vessel l6 is provided with a handle 7, whereby the vessel is carried to be easily dismounted from a trough-like receiving portion 8 (FIG. 2) provided at a front lower portion of the body or mounted to the receiving portion.
  • the dust removing unit 5 comprises a main filter 13 of an angularly folded elastic sheet having lfine meshes, a substantially cylindrical case 14 housing the main filter therein, a prelter 16 of a net having rough meshes and expanded by a frame which is pivotally mounted at a front end of the casing, a perforated end plate 17 mounted adjacent a rear end of the casing and a slider 18 which is slidably mounted at the perforated end plate.
  • the casing 14 and the perforated end plate 17 are releasably engaged into annular grooves 19a and 19b of a packing frame 19 made of an elastic material which holds the main filter 13 along the periphery thereof, whereby the prefilter 16, main filter 13 and slider 18 are assembled into the dust removing unit.
  • the annular grooves 19a and 19b are provided along front and rear sides of a flange portion extending inwardly from a central portion of the frame 19, said flange portion ending into a pair of serrated portions for carrying the folded sheet of the main filter as described in more detail later.
  • the packing frame 19 is also provided with spaced annular ribs 19e and 19d at an outer periphery thereof. These ribs keep air tightness at the periphery of the dust removing unit when it is mounted at the rear end of the dust collecting vessel.
  • the perforated end plate 17 has a central concave portion 17a seen from the rear end of the dust removing unit, at which is provided an elongated opening 20 extending horizontally or at right angle to the vertically arranged folds of the main filter and a plurality of perforations 21 provided at upper and lower regions of the elongated opening.
  • the upper end of the central concave portion 17a is offset from an upper peripheral portion of the plate 17 to define an opening and a gripping portion 22 by which the dust removing unit 5 is carried to be dismounted from or mounted to the rear end of the dust collecting vessel 6.
  • the slider 18 includes a knob 23 and a plurality of projections 24.
  • the slider is mounted to the elongated opening 20 of the perforated end plate 17 to be slidable therealong by the knob 23 being passed through an opening 25 provided at an end portion of the elongated opening 20.
  • the projections 24 are adapted to traverse rear edges of angular folds 12 of the main filter 13 and snap the edges to cause deformation and vibration of the main filter as the slider 18 is reciprocated along the elongated opening 20 by gripping the knob 23 with fingers, whereby fine dust particles which are being caught by the main filter are shaken off therefrom and dropped at the bottom of the casing 14.
  • the main filter 13 or the sheet of the filtering element is manufactured as follows: Fibers such as Nylon fibers are cut to a length of 10-15 cm. and these fibers are applied needling to be entangled with one another. Then a latex or other elastic material in liquid form such as rubber or synthetic resins are sprayed on the needled sheet of fibers, which thereafter is vulcanized under a heated and pressurized condition so that the fibers are coated with thin layers of the elastic material as well as connected with one another by the elastic material, whereby an elastic sheet 13a having fine meshes is obtained.
  • the sheet After applying a bond-ing agent on the surface of the sheet, the sheet is then bonded to a napped cloth 13b having relatively rough meshes of about 20 mesh (international standard), whereby the filtering element of about 10 mesh is obtained.
  • This sheet element is then angularly and alternately folded under a heated and pressurized condition to form a number of folds 12.
  • the folded element is then mounted between the upper and lower serrated portions 26 of the packing frame 19 made of an elastic material such as rubber or polyvinyl chloride and bonded thereto to produce a main filter assembly as shown in FIG. 5b.
  • the main filter 13 is an alternatively folded element, there are obtained such advantages that a relatively large filtering area is available within a restricted space in casing 14, that a fine dust collecting chamber 27 is provided within the space occupied by the main filter without requiring any additional axial length for such a chamber and that large vibration and deformation of the filtering element are allowed for a better dust shaking-off performance due to snapping thereof.
  • the angularly folded edges of the main filter 13 which are subjected to the snapping action of the slider 18 are provided with reinforcing layers 28 (FIG. l0) of, for example, thermoplastic resins applied by plasterng thereof. These layers prevent loosening of fibers at the edge portions due to the snapping.
  • FIG. 7 there is shown the structure of the pivotal mounting of the frame 15 of the prelter 16 to the casing 14.
  • an upper front end portion of the casing is somewhat cut off as at 37, and at both sides thereof there are arranged a pair of bearing notches 29 formed in a pair of rib members 40 provided at the upper front end portion.
  • the rib members are also each carrying an angled projection 34 extending a little downward, and a spring plate 32 which is normally arcuate to be slightly upwardly convex is supported by the angled projections 34.
  • the frame 15 of the prefilter 16 is provided with such a fitting portion at an upper portion thereof that presents a pair of pins 31 extending from opposite ends thereof and adapted to engage with the bearing notches 29, a push lever 30 and a cam 33 having a horizontal cam surface 33a. If said pair of pins 31 are engaged into the notches 29 by temporally strongly urging down the spring plate 32 to pass the cam surface 33a over the spring plate, the pins 31 are kept in pivotal engagement with the notches 29 by the cam 33 being resiliently urged upward by the normally convex spring plate 32, whereby it is also effected that the prelifter 16 is normally resiliently urged to its closed position abutting against the front end of the casing 14 by the lever action of the cam 33.
  • the prelifter 16 can be readily swung open as shown in FIG. 8 by the push lever 30 being pushed downward against the spring plate 32 by a finger, especially a thumb of the hand carrying the main filter assembly or the casing 14.
  • the prefilter 16 is of course automatically closed by the gravity thereof as well as by the elastic force applied by the spring plate 32 to the cam 33.
  • the frame 15 is provided with an opening bordered with an arcuate rib 39, which cooperates with a trough-like bypass channel 38 of the dust collecting vessel as described hereinunder.
  • the dust collecting vessel 6 is provided with the bypass channel 38 which is defined by an auxiliary filter 35 made of a net having meshes as rough as the prefilter 16 and supported by a lattice member 36.
  • the bypass channel 3S extends from the front end of the dust collecting vessel with gradually increasing cross section to a point where the prelter 16 is provided, and there the channel is in communication with a space left above the casing 14 through the opening defined by the rib 39. Said space is in communication with the fine dust collecting chamber 27 through the openings 37.
  • bypass channel 38 an air passage extending from the suction port 3 to the main filter 13 is guaranteed unless the dust collecting vessel is wholly packed with large dust or the meshes of the auxiliary filter are substantially clogged.
  • the air inhaled from the suction port 3 mainly passes through the prefilter 16 to the mani filter 13, but as the dust collected in the vessel 6 and therefore the iiow resistance through the dust increases, the air is more bypassed through the bypass channel 38 so as to maintain a substantially constant air iiow.
  • the rib 39 exactly engages with the rear edge of the trough-like bypass channel and the upper surface of the ribs 40 exactly engage with the innerwall of the dust collecting vessel 6 to define a chamber which is a continuation of the bypass channel and is in communication with the front region of the main filter 13 through the openings 37.
  • Axial position of the dust removing unit 5 with respect to the dust collecting vessel 6 is determined by a plurality of Stoppers 41 arranged at upper and lower portions of the inner wall of the vessel 6, against which the packing frame 19 of the dust removing unit abuts.
  • the body 2 of the cleaner is carried by front and rear wheels 42 and 43 to be easily transported.
  • Reference numeral 44 designates a suction bore through which an end or a suction hose is inserted.
  • a check valve 45 which is opened when the end of the suction hose is inserted and automatically closed when the hose was removed.
  • the large and fine dust particles tlius collected by the cleaner are discharged in the following manner: First, the sliding lock 9 is unlocked and the dust collecting vessel 6 is removed from the receiving portion 8 of the body of the cleaner by carrying the handle 7 by hand. Then, the dust collecting vessel, as being carried by hand, is transported to a dust bin, where the dust removing unit 5 is removed from the open rear end 4 of the dust collecting vessel by being held at ⁇ the gripping portion 22 between fingers, and the large dust collected in the dust collecting vessel is discharged from the widely open rear end thereof.
  • the slider 18 is reciprocated by the knob 23 being held between fingers, whereby the main filter 13 is caused to vibrate and deform and the fine dust particles caught on the surface thereof are shaken olf and fall on the bottom of the fine dust collecting chamber 27.
  • the push lever 30 is pushed by a finger to swing open the prelter 16 as shown in FIG. 8, and the fine dust particles collected in the chamber 27 are discharged from the open front end of the casing 14.
  • the reciprocation of the slider 18 may be performed before the dust removing unit 5 is removed from the dust collecting vessel 6.
  • the push lever 3l is released thereby to automatically close the front end of the casing 14 by the prefilter 16.
  • the dust collecting unit 5 is again mounted at the open rear end of the dust collecting vessel 6.
  • the dust collecting vessel mounted with the dust removing unit is then transported back to the body of the cleaner and restored to the receiving portion 8 thereof.
  • the dust collecting vessel 6 will usually be filled with large dust particles though the main lfilter 13 is scarcely clogged with fine dust particles. In this case, the only necessary operation is to remove the dust removing unit 5 from the open end of the dust collecting vessel 6 and to discharge the large dust particles collected therein.
  • the dust particles collected in the dust collecting vessel 6 are readily discharged therefrom by removing the dust removing unit 5 by holding the latter between fingers and tilting the vessel 6, while the ne dust particles collected in the fine dust collecting chamber 27 are also readily discharged therefrom by pushing the push lever 30 by a finger of the hand causing the dust removing unit 5 to swing open the preflter 16 and tilting the dust removing unit. Therefore, it is prefectly avoided that hands get in direct contact with dust in the dust discharging operation, and therefore, the operation can be very sanitarily accomplished.
  • the period during which the cleaner is effectively operated without the discharge of collected dust is substantially greater as compared with a conventional cleaner having no such bypass channel as shown in FIG. 1l, wherein curve (a) shows the performance of a cleaner having no bypass channel and curve (b) shows the performance of the cleaner having the bypass channel according to this invention.
  • curve (a) shows the performance of a cleaner having no bypass channel
  • curve (b) shows the performance of the cleaner having the bypass channel according to this invention.
  • bypass channel 3S which is arranged in the axial direction of the cylindrical dust collecting vessel over the substantially whole length thereof and opened to the inside of the vessel therealong is not blocked unless the dust collecting vessel is wholly packed up with dust- Therefore, a decrease of air fiow through the prefilter 16 due to increased stack up of dust is compensated by a correspondingly increased bypass air fiow through the bypass channel 38. Therefore, the air flow drops relatively gradually as curve (b) in FIG. 1l and it is avoided that the air fiow drops abruptly as curve (a) in FIG. 1l. Since the bypass channel 38 and the auxiliary filter 35 are provided along the uppermost region of the dust collecting vessel 6, it is less liable that the auxiliary filter is clogged with dust, and the bypass channel is conveniently arranged without substantially increasing the volume of the cleaner.
  • the main filter 13 in the form of an alternately corrugated elastic sheet presents a large elasticity and is caused a good vibration of the whole for shaking off the dust attached thereto by a snapping action applied to an edge portion thereof. Furthermore, since the slider 18 for applying the snapping action to the main filter has a plurality of projections, the reciprocation of the slider in a small stroke and low speed can cause a high frequency vibration of the whole filter.
  • the main filter 13 or the filtering element as shown in FIG. 9 is formed by a pressing process under a heated and pressurized condition and is mounted between the serrated members 26 of the packing frame 19 which is also produced by a pressing or injection process of rubber, polyvinyl chloride, etc. to provide the main filter assembly.
  • the cost of production of the main filter assembly of this invention is much lower than that of conventional bag filters.
  • the main filter 13 By supporting the main filter 13 by the packing frame 19 made of an elastic material, the vibrating characteristic of the main filter is more improved.
  • the main filter 13 is provided with the reinforcing layer 28 at the rear edge portions of the folds, it is avoided that the fibers constituting the filter are loosened in a long period of operation by the snapping action of the slider.
  • the main filter 13 is made of two layers of the sheet 13a of needled fibers bonded with an elastic material and the napped cloth 13b, collection of fine dust particles is performed three dimensionally. Furthermore, since the meshes defined by the needled fibers are deformed by an impact applied thereto, fine dust particles caught in the meshes are effectively pushed off by applying impacts or vibration to the main filter.
  • the combination of such layers 13a and 13b is effective for the production of a filtering element having a required dust collecting rate and fiow resistance. If a filtering material is to be consistituted only by the sheet of needled fibers such as the layer 13a, it is certainly possible to obtain an element having a determined dust collecting rate and fiow resistance.
  • a vacuum cleaner comprising a body provided with an inlet and outlet and housing an electric fan, a dust collecting vessel detachably mounted in said body for collecting large particles of dust, a gas discharging opening formed on a rear end of said vessel and said vessel being joined to a front end of said body, said vessel having a suction port at a front end thereof in fiow communication with the inlet of the body and a handle at an upper side thereof, and a dust removing unit detachably mounted in said vessel at said gas discharging openlng of said dust collecting vessel so as to close said gas discharging opening, said unit having a casing with a handle, a prefilter of rough meshes including means which is adapted to open and close an open front end of said casing by means of a push lever provided thereon, a main filter of fine meshes which is adapted to catch fine dust particles having passed through said prefilter and closing an open rear end of said casing, and means to shake off the dust from said main filter, said prefilter, said main filter and said dust shaking
  • said main filter is composed of a sheet of a base material made of a number of fibers entangled and connected with one another by an elastic agent and a cloth material attached to a front surface of said sheet.
  • said main filter is an alternately folded sheet of a filtering material presenting a number of parallel arranged folds and being housed in a substantially cylindrical casing of said dust removing unit, said prefilter being mounted at a front end of said casing to releasably cover a front opening of said casing, said dust shaking-off means being a slider mounted on said casing to be slidable substantially perpendicularly to said folds, said slider having a plurality of projections at a front side thereof adapted to snap rear edges of said folds and a knob at a rear side thereof.
  • a vacuum cleaner comprising a body provided with an inlet and outlet and housing an electric fan, a dust collecting vessel detachably mounted in said body for collecting large particles of dust, a gas discharging opening formed on a rear end of said vessel and said vessel being joined to a front end of said body, said vessel having a suction'port at a front end thereof in fiow communication with the inlet of the body and a handle at an upper side thereof, and a dust removing unit detachably mounted in said vessel at said gas discharging opening of said dust collecting vessel so as to close said gas discharging opening, said unit having a casing with a handle, a packing frame, a prefilter of rough meshes including means which is adapted to open and close an open front end of said casing by means of a push lever provided thereon, a main filter of fine meshes which is adapted to catch fine dust particles having passed through said prefilter and closing an open rear end of said casing, and means to shake off the dust from said main filter, said prefilter, said main filter
  • a vacuum cleaner comprising: (a) a body provided Wtih an inlet and outlet; (b) an electric fan mounted in said body; (c) a dust collecting vessel detachably mounted in said body, comprising:
  • a pre-filter of rough mesh mounted at the end opposite said onel end of said casing including means to releasably cover a front opening of said casing
  • a main filter of fine mesh mounted in the l0 casing to filter the air comprising an alternately folded sheet of a filtering material representing a number of parallelly arranged folds held by said packing frame such that said serrated portions correspondingly close axial ends of said folds,
  • (f) and means to shake off dust from said main filter including a slider mounted on said perforated plate and slidable substantially perpendicularly to the folds, said slider having a plurality of projections at one side thereof to snap adjacent edges of said folds, said slider also having a knob opposite the side having said plurality of projections.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
US864686A 1968-10-14 1969-10-08 Electric vacuum cleaner Expired - Lifetime US3621640A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP7627668 1968-10-14
JP7627568A JPS511950B1 (da) 1968-10-14 1968-10-14
JP1968091452U JPS4727176Y1 (da) 1968-10-14 1968-10-14
JP7973968 1968-10-30

Publications (1)

Publication Number Publication Date
US3621640A true US3621640A (en) 1971-11-23

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Application Number Title Priority Date Filing Date
US864686A Expired - Lifetime US3621640A (en) 1968-10-14 1969-10-08 Electric vacuum cleaner

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US (1) US3621640A (da)
BE (1) BE740210A (da)
DE (1) DE1951306B2 (da)
DK (1) DK142103B (da)
FR (1) FR2020640A1 (da)

Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816983A (en) * 1971-06-03 1974-06-18 Matsushita Electric Industrial Co Ltd Electric vacuum cleaner
US3856488A (en) * 1972-09-05 1974-12-24 Mitsubishi Electric Corp Electric vacuum cleaner
US4353723A (en) * 1980-01-31 1982-10-12 Rainer Schulz Pleated filter pack and method of making same
US4426211A (en) 1980-12-19 1984-01-17 Sharp Kabushiki Kaisha Vacuum cleaner with dust disposal
US4545794A (en) * 1981-11-13 1985-10-08 Sanyo Electric Co., Ltd. Vacuum cleaner
USD285734S (en) 1983-09-06 1986-09-16 Sharp Corporation Vacuum cleaner
US4809395A (en) * 1987-10-28 1989-03-07 Fleischhauer Eugene T Canister type vacuum cleaner
US5102436A (en) * 1990-10-03 1992-04-07 Andreas Stihl Prefilter for an air filter of an internal combustion engine
EP0783865A2 (en) 1996-01-11 1997-07-16 Black & Decker Inc. Vacuum cleaner with combined filter element and collection unit
US5671499A (en) * 1996-01-11 1997-09-30 Black & Decker Inc. Vacuum cleaner with all components in floor traveling head
US5699586A (en) * 1996-01-11 1997-12-23 Black & Decker Inc. Vacuum cleaner with improved suction inlet
US5935279A (en) * 1996-12-18 1999-08-10 Aktiebolaget Electrolux Removable cyclone separator for a vacuum cleaner
US6269518B1 (en) 1999-12-08 2001-08-07 Shell Electric Mfg. (Holdings) Co. Ltd. Bagless vacuum cleaner
US6289553B1 (en) * 1997-12-17 2001-09-18 Notetry Limited Vacuum cleaner
EP1036536A3 (de) * 1999-03-13 2002-06-05 Josef Kränzle Schmutzsauger zu Reinigungszwecken
US6484350B2 (en) 1999-12-08 2002-11-26 Shell Electric Mfg. (Holdings) Co. Ltd. Bagless canister vacuum cleaner
EP1070478A3 (en) * 1999-07-17 2002-12-18 Black & Decker Inc. Vacuum cleaner
US20030167590A1 (en) * 2002-03-05 2003-09-11 Samsung Gwangju Electronics Co., Ltd. Vacuum cleaner with reusable filter
US20030208878A1 (en) * 2002-05-08 2003-11-13 Alford William G. Removable dirt separation system for a vacuum cleaner
US20030208999A1 (en) * 2002-05-08 2003-11-13 Boyer Russell H. Filter assembly for a vacuum cleaner
US20030208875A1 (en) * 2002-05-08 2003-11-13 Matsushita Electric Industrial Co., Ltd. Vacuum cleaner
US20040163368A1 (en) * 2003-02-21 2004-08-26 Samsung Gwangju Electronics Co., Ltd. Dust collecting container for vacuum cleaner
US20040194249A1 (en) * 2003-04-04 2004-10-07 Hyun-Ju Lee Bagless vacuum cleaner
US20040206238A1 (en) * 2003-04-17 2004-10-21 Allgeier David M. Filter assembly for a vacuum cleaner
US20050138759A1 (en) * 2003-12-27 2005-06-30 Lg Electronics Inc. Dust collector of vacuum cleaner
US20060042203A1 (en) * 2004-08-30 2006-03-02 Matsushita Electric Industrial Co., Ltd. Vacuum cleaner
US20070011996A1 (en) * 2005-07-13 2007-01-18 Toshiba Tec Kabushiki Kaisha Electric vacuum cleaner
US20070271724A1 (en) * 2003-02-10 2007-11-29 Miefalk Haekan Hand Held Vacuum Cleaner
US20070289444A1 (en) * 2006-06-14 2007-12-20 Toshiba Tec Kabushiki Kaisha Vacuum cleaner having a filter capable of collecting dust
US20080040883A1 (en) * 2006-04-10 2008-02-21 Jonas Beskow Air Flow Losses in a Vacuum Cleaners
US20080264007A1 (en) * 2007-04-30 2008-10-30 Samsung Gwangju Electronics Co., Ltd. Dust collecting apparatus for vacuum cleaner
US20090044501A1 (en) * 2007-08-17 2009-02-19 Samsung Gwangju Electronics Co., Ltd. Dust separating apparatus
US20090165239A1 (en) * 2006-03-24 2009-07-02 Thommy Frantzen Handheld Vacuum Cleaner
US20090223188A1 (en) * 2008-03-05 2009-09-10 Samsung Gwangiu Electronics Co., Ltd. Vacuum cleaner in which a dust bag or a cyclone dust collecting apparatus is selectively mounted
US7882593B2 (en) 2007-01-19 2011-02-08 Ab Electrolux Dirt separator system for a vacuum cleaner
US20110232024A1 (en) * 2010-03-23 2011-09-29 Stein & Co. Gmbh Arrangement of a Motor Protection Filter in a Vacuum Cleaner
EP2374394A1 (de) * 2010-04-06 2011-10-12 Miele & Cie. KG Staubsauger mit einem Haltegitter für einen Motorschutzfilter
US8151411B2 (en) 2006-04-10 2012-04-10 Ab Electrolux Vacuum cleaner
US8402601B2 (en) 2007-01-23 2013-03-26 AB Electronlux Vacuum cleaner nozzle
US8424154B2 (en) 2006-04-10 2013-04-23 Ab Electrolux Vacuum cleaner with filter cleaning means
CN105380567A (zh) * 2015-09-03 2016-03-09 宁波海际电器有限公司 一种吸尘器运输时的固定保护装置
CN108498008A (zh) * 2018-06-12 2018-09-07 苏州地贝电器科技有限公司 一种吸尘器的过滤器
US11357369B2 (en) * 2014-12-17 2022-06-14 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11399680B2 (en) * 2019-02-07 2022-08-02 Miele & Cie. Kg Hand-guided cyclone vacuum cleaner
CN115361893A (zh) * 2020-04-07 2022-11-18 阿尔弗雷德·卡赫欧洲两合公司 清洁机的过滤单元、地面清洁机及其运行方法
US12478230B2 (en) 2022-07-07 2025-11-25 Bissell Inc. Modular head system for handheld extraction cleaner, dry vacuum accessory for handheld extraction cleaner, and handheld extraction cleaner

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3068595D1 (en) * 1979-08-16 1984-08-23 Hitachi Ltd Vacuum cleaner
DE8812401U1 (de) * 1988-09-30 1990-02-01 Siemens AG, 1000 Berlin und 8000 München Staubaufnahmebehältnis für einen Staubsauger
DE19855906A1 (de) * 1998-12-03 2000-06-08 Bsh Bosch Siemens Hausgeraete Staubsauger
US20050081321A1 (en) 2003-10-15 2005-04-21 Milligan Michael A. Hand-held cordless vacuum cleaner
DE102012105105A1 (de) * 2012-06-13 2013-12-19 Miele & Cie. Kg Feinstaubsammelorgan für einen Staubsauger und Staubsauger mit einem solchen Feinstaubsammelorgan
DE102012211253A1 (de) 2012-06-29 2014-01-02 BSH Bosch und Siemens Hausgeräte GmbH Staubsauger mit Staubfilter
DE102023135363A1 (de) * 2023-12-15 2025-06-18 Alfred Kärcher SE & Co. KG Bodenreinigungsmaschine mit Filterbox

Cited By (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816983A (en) * 1971-06-03 1974-06-18 Matsushita Electric Industrial Co Ltd Electric vacuum cleaner
US3856488A (en) * 1972-09-05 1974-12-24 Mitsubishi Electric Corp Electric vacuum cleaner
US4353723A (en) * 1980-01-31 1982-10-12 Rainer Schulz Pleated filter pack and method of making same
US4426211A (en) 1980-12-19 1984-01-17 Sharp Kabushiki Kaisha Vacuum cleaner with dust disposal
US4545794A (en) * 1981-11-13 1985-10-08 Sanyo Electric Co., Ltd. Vacuum cleaner
USD285734S (en) 1983-09-06 1986-09-16 Sharp Corporation Vacuum cleaner
US4809395A (en) * 1987-10-28 1989-03-07 Fleischhauer Eugene T Canister type vacuum cleaner
US5102436A (en) * 1990-10-03 1992-04-07 Andreas Stihl Prefilter for an air filter of an internal combustion engine
US5765258A (en) * 1996-01-11 1998-06-16 Black & Decker Inc. Vacuum cleaner with all components in floor traveling head
US5671499A (en) * 1996-01-11 1997-09-30 Black & Decker Inc. Vacuum cleaner with all components in floor traveling head
US5699586A (en) * 1996-01-11 1997-12-23 Black & Decker Inc. Vacuum cleaner with improved suction inlet
EP0783865A2 (en) 1996-01-11 1997-07-16 Black & Decker Inc. Vacuum cleaner with combined filter element and collection unit
US5829090A (en) * 1996-01-11 1998-11-03 Black & Decker Inc. Vacuum cleaner with combined filter element and collection unit
US5664285A (en) * 1996-01-11 1997-09-09 Black & Decker Inc. Vacuum cleaner with combined filter element and collection unit
US5935279A (en) * 1996-12-18 1999-08-10 Aktiebolaget Electrolux Removable cyclone separator for a vacuum cleaner
US6289553B1 (en) * 1997-12-17 2001-09-18 Notetry Limited Vacuum cleaner
EP1036536A3 (de) * 1999-03-13 2002-06-05 Josef Kränzle Schmutzsauger zu Reinigungszwecken
EP1070478A3 (en) * 1999-07-17 2002-12-18 Black & Decker Inc. Vacuum cleaner
US6546592B1 (en) 1999-07-17 2003-04-15 Black & Decker Inc. Dual filter vacuum cleaner apparatus
USRE43603E1 (en) * 1999-07-17 2012-08-28 Black & Decker Inc. Dual filter vacuum cleaner apparatus
USRE40542E1 (en) 1999-07-17 2008-10-21 Black & Decker Inc. Dual filter vacuum cleaner apparatus
EP1597994A1 (en) * 1999-07-17 2005-11-23 BLACK & DECKER INC. Vacuum cleaner
EP1733670A1 (en) * 1999-07-17 2006-12-20 BLACK & DECKER INC. Improvements in vacuum cleaners
US6269518B1 (en) 1999-12-08 2001-08-07 Shell Electric Mfg. (Holdings) Co. Ltd. Bagless vacuum cleaner
US6484350B2 (en) 1999-12-08 2002-11-26 Shell Electric Mfg. (Holdings) Co. Ltd. Bagless canister vacuum cleaner
US20030167590A1 (en) * 2002-03-05 2003-09-11 Samsung Gwangju Electronics Co., Ltd. Vacuum cleaner with reusable filter
US7247182B2 (en) 2002-05-08 2007-07-24 The Hoover Company Filter assembly for a vacuum cleaner
US6875255B2 (en) 2002-05-08 2005-04-05 The Hoover Company Removable dirt separation system for a vacuum cleaner
US20030208878A1 (en) * 2002-05-08 2003-11-13 Alford William G. Removable dirt separation system for a vacuum cleaner
US20030208999A1 (en) * 2002-05-08 2003-11-13 Boyer Russell H. Filter assembly for a vacuum cleaner
US7210192B2 (en) * 2002-05-08 2007-05-01 Matsushita Electric Industrial Co., Ltd. Vacuum cleaner having a slanted pedestal
US20030208875A1 (en) * 2002-05-08 2003-11-13 Matsushita Electric Industrial Co., Ltd. Vacuum cleaner
US8225456B2 (en) * 2003-02-10 2012-07-24 Ab Electrolux Hand held vacuum cleaner
US8607406B2 (en) 2003-02-10 2013-12-17 Ab Electrolux Hand held vacuum cleaner
US20070271724A1 (en) * 2003-02-10 2007-11-29 Miefalk Haekan Hand Held Vacuum Cleaner
AU2003203628B2 (en) * 2003-02-21 2007-10-18 Samsung Electronics Co., Ltd. Dust collecting container for vacuum cleaner
FR2851447A1 (fr) * 2003-02-21 2004-08-27 Samsung Kwangju Electronics Co Recipient collecteur de poussiere pour aspirateur
US7144438B2 (en) * 2003-02-21 2006-12-05 Samsung Gwangju Electronics Co., Ltd. Dust collecting container for vacuum cleaner
US20040163368A1 (en) * 2003-02-21 2004-08-26 Samsung Gwangju Electronics Co., Ltd. Dust collecting container for vacuum cleaner
US20040194249A1 (en) * 2003-04-04 2004-10-07 Hyun-Ju Lee Bagless vacuum cleaner
US20040206238A1 (en) * 2003-04-17 2004-10-21 Allgeier David M. Filter assembly for a vacuum cleaner
US7267704B2 (en) 2003-04-17 2007-09-11 The Hoover Company Filter assembly for a vacuum cleaner
US20050138759A1 (en) * 2003-12-27 2005-06-30 Lg Electronics Inc. Dust collector of vacuum cleaner
US7797790B2 (en) * 2003-12-27 2010-09-21 Lg Electronics Inc. Dust collector of vacuum cleaner
US20060042203A1 (en) * 2004-08-30 2006-03-02 Matsushita Electric Industrial Co., Ltd. Vacuum cleaner
US7736406B2 (en) * 2004-08-30 2010-06-15 Panasonic Corporation Vacuum cleaner
US20070011996A1 (en) * 2005-07-13 2007-01-18 Toshiba Tec Kabushiki Kaisha Electric vacuum cleaner
US20090165239A1 (en) * 2006-03-24 2009-07-02 Thommy Frantzen Handheld Vacuum Cleaner
US7958597B2 (en) 2006-03-24 2011-06-14 Ab Electrolux Handheld vacuum cleaner
US8151411B2 (en) 2006-04-10 2012-04-10 Ab Electrolux Vacuum cleaner
US8424154B2 (en) 2006-04-10 2013-04-23 Ab Electrolux Vacuum cleaner with filter cleaning means
US20080040883A1 (en) * 2006-04-10 2008-02-21 Jonas Beskow Air Flow Losses in a Vacuum Cleaners
EP1867267A3 (en) * 2006-06-14 2009-08-12 Toshiba Tec Kabushiki Kaisha Vaccum cleaner having a filter capable of collecting dust
US20070289444A1 (en) * 2006-06-14 2007-12-20 Toshiba Tec Kabushiki Kaisha Vacuum cleaner having a filter capable of collecting dust
US7882593B2 (en) 2007-01-19 2011-02-08 Ab Electrolux Dirt separator system for a vacuum cleaner
US8402601B2 (en) 2007-01-23 2013-03-26 AB Electronlux Vacuum cleaner nozzle
US7785381B2 (en) * 2007-04-30 2010-08-31 Samsung Gwangju Electronics Co., Ltd. Dust collecting apparatus with combined compacting and filter cleaning for a vacuum cleaner
US20080264007A1 (en) * 2007-04-30 2008-10-30 Samsung Gwangju Electronics Co., Ltd. Dust collecting apparatus for vacuum cleaner
US20090044501A1 (en) * 2007-08-17 2009-02-19 Samsung Gwangju Electronics Co., Ltd. Dust separating apparatus
US7637973B2 (en) * 2008-03-05 2009-12-29 Samsung Gwangju Electronics Co., Ltd. Vacuum cleaner in which a dust bag or a cyclone dust collecting apparatus is selectively mounted
US20090223188A1 (en) * 2008-03-05 2009-09-10 Samsung Gwangiu Electronics Co., Ltd. Vacuum cleaner in which a dust bag or a cyclone dust collecting apparatus is selectively mounted
US20110232024A1 (en) * 2010-03-23 2011-09-29 Stein & Co. Gmbh Arrangement of a Motor Protection Filter in a Vacuum Cleaner
US8745817B2 (en) * 2010-03-23 2014-06-10 Stein & Co. Gmbh Arrangement of a motor protection filter in a vacuum cleaner
EP2374394A1 (de) * 2010-04-06 2011-10-12 Miele & Cie. KG Staubsauger mit einem Haltegitter für einen Motorschutzfilter
US11357369B2 (en) * 2014-12-17 2022-06-14 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11857137B2 (en) 2014-12-17 2024-01-02 Omachron Intellectual Property Inc. Surface cleaning apparatus
CN105380567A (zh) * 2015-09-03 2016-03-09 宁波海际电器有限公司 一种吸尘器运输时的固定保护装置
CN105380567B (zh) * 2015-09-03 2017-10-13 宁波海际电器有限公司 一种吸尘器运输时的固定保护装置
CN108498008A (zh) * 2018-06-12 2018-09-07 苏州地贝电器科技有限公司 一种吸尘器的过滤器
CN108498008B (zh) * 2018-06-12 2023-12-26 苏州地贝电器科技有限公司 一种吸尘器的过滤器
US11399680B2 (en) * 2019-02-07 2022-08-02 Miele & Cie. Kg Hand-guided cyclone vacuum cleaner
CN115361893A (zh) * 2020-04-07 2022-11-18 阿尔弗雷德·卡赫欧洲两合公司 清洁机的过滤单元、地面清洁机及其运行方法
US12478230B2 (en) 2022-07-07 2025-11-25 Bissell Inc. Modular head system for handheld extraction cleaner, dry vacuum accessory for handheld extraction cleaner, and handheld extraction cleaner

Also Published As

Publication number Publication date
DE1951306B2 (de) 1972-05-10
BE740210A (da) 1970-03-16
FR2020640A1 (da) 1970-07-17
DK142103B (da) 1980-09-01
DK142103C (da) 1981-01-26
DE1951306A1 (de) 1970-05-14

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