EP1318746B1 - Dust container for a vacuum cleaner - Google Patents

Dust container for a vacuum cleaner Download PDF

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Publication number
EP1318746B1
EP1318746B1 EP01965810A EP01965810A EP1318746B1 EP 1318746 B1 EP1318746 B1 EP 1318746B1 EP 01965810 A EP01965810 A EP 01965810A EP 01965810 A EP01965810 A EP 01965810A EP 1318746 B1 EP1318746 B1 EP 1318746B1
Authority
EP
European Patent Office
Prior art keywords
opening
plate
dust container
collar
shaped
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
EP01965810A
Other languages
German (de)
French (fr)
Other versions
EP1318746A1 (en
Inventor
Ingrid Hengvoss
Patrik Billskog
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.)
Electrolux AB
Original Assignee
Electrolux AB
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 Electrolux AB filed Critical Electrolux AB
Publication of EP1318746A1 publication Critical patent/EP1318746A1/en
Application granted granted Critical
Publication of EP1318746B1 publication Critical patent/EP1318746B1/en
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
    • A47L9/10—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
    • A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
    • A47L9/1436—Connecting plates, e.g. collars, end closures
    • A47L9/1445—Connecting plates, e.g. collars, end closures with closure means

Definitions

  • This invention relates to a sealing arrangement for a dust container comprising a dust bag, a collar fastened to the bag, and a flexible membrane with a membrane opening, where the flexible membrane partly covers a collar opening that can be sealed by a guillotine arrangement having a plate-shaped element, which is provided with an opening and is moved parallel to the plane of the collar.
  • the collar comprises two or three different layers.
  • a part of one layer forms the movable guillotine arrangement and the remaining parts of the collar are glued to one another to form the guides and stop means for the movement of the guillotine.
  • Each layer is provided with an opening, which together forms a collar opening for the air flowing into the dust container.
  • a flexible membrane having an opening, which is smaller than the inlet opening of the collar. This membrane serves as a sealing element against the inlet sleeve of the vacuum cleaner, which is inserted through the inlet opening of the collar and through which the dust-laden air enters into the dust container.
  • the collar sometimes is influenced by such forces under the vacuum cleaning operation so that it becomes deformed.
  • the closing movement of the plate serving as a guillotine is then prevented because the edges of the guillotine opening engage the edges of the openings in the remaining layers.
  • the dust leaves through the remaining opening to the atmosphere.
  • WO 98/32365 discloses a connector system for connecting a hose and a filter bag of a vacuum cleaner.
  • Said connector comprises a collar and a frame having a hole covered by an elastic diaphragm, for providing a fluid seal against the outside perimeter of the connector.
  • WO 98/32365 does not comprise any movable guillotine arrangement for closing the filter bag when not arranged in the vacuum cleaner.
  • This invention provides a dust container that prevents dust from leaving the container even if the guillotine element does not cover the inlet opening completely. This is achieved by a sealing arrangement of a dust container having a dust bag, a collar fastened to the bag, and a flexible membrane having a membrane opening, where the flexible membrane partly covers an inlet opening that can be at least partly sealed by a guillotine arrangement having a plate-shaped element that is provided with an opening and is moved parallel to a plane of the collar.
  • the rear part of the plate-shaped opening as seen in a moving direction of the plate-shaped element from an open to a closed position, is provided with a forwardly extending portion whose central section is placed further forward, as seen in the moving direction, than adjacent side parts of the plate-shaped opening.
  • the dust container as shown in Figs. 1-4 comprises a bag 10 of air pervious material whose opening is covered by a collar 11 of comparatively stiff material, for instance, cardboard or plastic.
  • the collar 11 comprises three layers that are glued together.
  • the first outer layer 12 forms an outwardly extending side
  • the second layer 13 is an intermediate layer
  • the third layer 14 is an inner layer to which the bag is fastened.
  • the collar has an inlet opening 15 through which the dust-laden air flows into the dust container.
  • the inlet opening is partly covered by a flexible membrane 16, which is placed between the second and third layers that are glued together.
  • the flexible membrane 16 has a membrane opening 17 through which an inlet sleeve (not shown) arranged on the vacuum cleaner is inserted and the flexible membrane 16 forms a seal around the sleeve.
  • the first layer 12 comprises a mainly rectangular plate with a mainly oval opening 18 that is surrounded by several tabs 19.
  • the tabs are connected to the plate via a circular bending or tear-off line 20.
  • the second layer 13 comprises a plate-shaped central element or guillotine part 21 and two identical but mirror inverted elongated edge portions 22 that are placed at each side of and close to the central element 21.
  • the central element 21 is not glued to the other layers.
  • the central element has an opening 23 whose width mainly corresponds to the longest diameter of the opening 18 in the first layer.
  • the central element opening 23 is limited by a half-circular portion 24 at its upper part which via parallel side edge parts 25 continues into a triangular or arc-shaped tongue 26 at its rearpart.
  • the tongue 26 extends toward the center or middle of the central element opening 23.
  • the opening 23 of the central element 13 is designed such that the rear part of the opening 23, as seen in the direction of movement of the central element from an open to a closed position, is provided with an extending portion whose central or middle section is positioned more forward, as seen in the moving direction, than the adjacent side edge parts of the opening 23.
  • An upper position 27 of the central element 21 serves as a handle or grip part for the central element.
  • the elongated edge portions 22 each comprise an upper portion 28, whose side edge serves as a guide for a main part 29 of the central element, and an L-shaped rearportion 30.
  • abutment portions 31 and 32 are formed for two outwardly extending tabs 33 of the central element.
  • the elongated edge portions 22 are glued to the first and third layers.
  • the third layer 14, as shown in Fig. 4 comprises a mainly rectangular plate with a circular opening 34 whose diameter mainly corresponds to the largest diameter of the circular bending line 20 in the first layer.
  • the opening 34 is partly covered by the flexible membrane 16 and the membrane opening 17 is arranged centrally in the opening 34.
  • the third layer 14 on the side having the membrane 16 is glued to the elongated edge portions 22 of the second layer, and the elongated edge portions are glued to the first layer 12.
  • the dust container operates in the following manner.
  • the collar When inserted into the vacuum cleaner, the collar is pushed into guides arranged in the space in the vacuum cleaner where the dust container is positioned.
  • the inlet sleeve of the vacuum cleaner enters through the membrane opening such that the membrane surrounds the inlet sleeve and seals against it.
  • the inlet sleeve is an oval tube with suitable dimensions, the inlet sleeve will rest against the oval edges of the inlet opening 15 (i.e., against the edge portions which are defined by tabs 19 of the first layer).
  • the tabs 19 will be pushed aside by the sleeve such that the inlet sleeve instead rests against the circular edges of the inlet opening 15 (i.e., against the edge portions which are defined by the bending line 20 of the first layer and circular opening 34 of the third layer).
  • the cover to the space for the dust container is opened, the inlet sleeve is removed from the inlet opening 15, and the operator then grasps the grip part 27 of the dust container and pulls the plate shaped central element 21 upwards as shown in Fig. 1 .
  • the middle section of the tongue 26, as seen in the pulling direction, covers the opening of the flexible membrane 16 before the entire collar and hence the dust container is lifted out from the vacuum cleaner.
  • the plate-shaped central element 21 does not have to cover the entire inlet opening 15, but only the flexible membrane opening 16. Consequently, the problem related to the conventional guillotine arrangement is avoided where the opening of the central element (i.e., the guillotine) sticks at the surrounding edge portions of the collar before the membrane opening has been completely covered.

Abstract

A dust container comprising a dust bag (10), a collar (11) fastened to the bag, and a flexible membrane (16) with a membrane opening (17), where the flexible membrane partly covers an inlet opening (15) that can be at least partly sealed by means of a guillotine arrangement having a plate-shaped element (21), which is provided with an opening and is moved parallel to the plane of the collar. The opening of the plate-shaped element is designed such that a rear part of the plate-shaped opening, as seen in a moving direction of the plate-shaped element from an open to a closed position, is provided with a forwardly extending portion (26) whose central section is place further forward, as seen in the moving direction, than the adjacent side parts of the plate-shaped opening.

Description

  • This invention relates to a sealing arrangement for a dust container comprising a dust bag, a collar fastened to the bag, and a flexible membrane with a membrane opening, where the flexible membrane partly covers a collar opening that can be sealed by a guillotine arrangement having a plate-shaped element, which is provided with an opening and is moved parallel to the plane of the collar.
  • Sealing arrangements for dust containers of the type mentioned above are previously known, see for instance, EP 362624 . These dust containers are usually disposable and have the advantage that they make hygienic handling of the dust container possible when the dust container is taken out of the vacuum cleaner. Thus, such a dust container might be sealed automatically when it is taken out of the space in the vacuum cleaner, where it is positioned during the vacuum cleaning operation, and then transferred to a dust bin or the like without spreading dust to the atmosphere.
  • With the type of dust container mentioned above, the collar comprises two or three different layers. A part of one layer forms the movable guillotine arrangement and the remaining parts of the collar are glued to one another to form the guides and stop means for the movement of the guillotine. Each layer is provided with an opening, which together forms a collar opening for the air flowing into the dust container. Between the layers, there is usually a flexible membrane having an opening, which is smaller than the inlet opening of the collar. This membrane serves as a sealing element against the inlet sleeve of the vacuum cleaner, which is inserted through the inlet opening of the collar and through which the dust-laden air enters into the dust container.
  • However, the collar sometimes is influenced by such forces under the vacuum cleaning operation so that it becomes deformed. The closing movement of the plate serving as a guillotine is then prevented because the edges of the guillotine opening engage the edges of the openings in the remaining layers. Thus, the dust leaves through the remaining opening to the atmosphere.
  • WO 98/32365 discloses a connector system for connecting a hose and a filter bag of a vacuum cleaner. Said connector comprises a collar and a frame having a hole covered by an elastic diaphragm, for providing a fluid seal against the outside perimeter of the connector. However, WO 98/32365 does not comprise any movable guillotine arrangement for closing the filter bag when not arranged in the vacuum cleaner.
  • This invention provides a dust container that prevents dust from leaving the container even if the guillotine element does not cover the inlet opening completely. This is achieved by a sealing arrangement of a dust container having a dust bag, a collar fastened to the bag, and a flexible membrane having a membrane opening, where the flexible membrane partly covers an inlet opening that can be at least partly sealed by a guillotine arrangement having a plate-shaped element that is provided with an opening and is moved parallel to a plane of the collar. The rear part of the plate-shaped opening, as seen in a moving direction of the plate-shaped element from an open to a closed position, is provided with a forwardly extending portion whose central section is placed further forward, as seen in the moving direction, than adjacent side parts of the plate-shaped opening.
  • An embodiment of the invention will now be described with reference to the accompanying figures in which:
    • FIG. 1 is a perspective view of a dust container according to an embodiment of the invention with an element that is in the process of closing the dust container;
    • FIG. 2 is an elevation view of a first layer of the collar that is a part of the dust container shown in FIG. 1;
    • FIG. 3 is an elevation view of a second layer of the collar; and
    • FIG. 4 is an elevation view of a third layer of the collar.
  • The dust container as shown in Figs. 1-4 comprises a bag 10 of air pervious material whose opening is covered by a collar 11 of comparatively stiff material, for instance, cardboard or plastic. The collar 11 comprises three layers that are glued together. The first outer layer 12 forms an outwardly extending side, the second layer 13 is an intermediate layer, and the third layer 14 is an inner layer to which the bag is fastened. The collar has an inlet opening 15 through which the dust-laden air flows into the dust container. The inlet opening is partly covered by a flexible membrane 16, which is placed between the second and third layers that are glued together. The flexible membrane 16 has a membrane opening 17 through which an inlet sleeve (not shown) arranged on the vacuum cleaner is inserted and the flexible membrane 16 forms a seal around the sleeve.
  • Referring to Fig. 2, the first layer 12 comprises a mainly rectangular plate with a mainly oval opening 18 that is surrounded by several tabs 19. The tabs are connected to the plate via a circular bending or tear-off line 20.
  • As shown in Fig. 3, the second layer 13 comprises a plate-shaped central element or guillotine part 21 and two identical but mirror inverted elongated edge portions 22 that are placed at each side of and close to the central element 21. In the finished state of the collar, the central element 21 is not glued to the other layers.
  • The central element has an opening 23 whose width mainly corresponds to the longest diameter of the opening 18 in the first layer. The central element opening 23 is limited by a half-circular portion 24 at its upper part which via parallel side edge parts 25 continues into a triangular or arc-shaped tongue 26 at its rearpart. The tongue 26 extends toward the center or middle of the central element opening 23. Thus, the opening 23 of the central element 13 is designed such that the rear part of the opening 23, as seen in the direction of movement of the central element from an open to a closed position, is provided with an extending portion whose central or middle section is positioned more forward, as seen in the moving direction, than the adjacent side edge parts of the opening 23. An upper position 27 of the central element 21 serves as a handle or grip part for the central element.
  • The elongated edge portions 22 each comprise an upper portion 28, whose side edge serves as a guide for a main part 29 of the central element, and an L-shaped rearportion 30. Thus, abutment portions 31 and 32 are formed for two outwardly extending tabs 33 of the central element. In the finished state of the collar, the elongated edge portions 22 are glued to the first and third layers.
  • The third layer 14, as shown in Fig. 4, comprises a mainly rectangular plate with a circular opening 34 whose diameter mainly corresponds to the largest diameter of the circular bending line 20 in the first layer. The opening 34 is partly covered by the flexible membrane 16 and the membrane opening 17 is arranged centrally in the opening 34. In the finished state of the collar, the third layer 14 on the side having the membrane 16 is glued to the elongated edge portions 22 of the second layer, and the elongated edge portions are glued to the first layer 12.
  • The dust container operates in the following manner. When inserted into the vacuum cleaner, the collar is pushed into guides arranged in the space in the vacuum cleaner where the dust container is positioned. When the space is closed, the inlet sleeve of the vacuum cleaner enters through the membrane opening such that the membrane surrounds the inlet sleeve and seals against it. At the same time, in the case where the inlet sleeve is an oval tube with suitable dimensions, the inlet sleeve will rest against the oval edges of the inlet opening 15 (i.e., against the edge portions which are defined by tabs 19 of the first layer). In the case where the inlet sleeve is a circular tube with suitable dimensions, the tabs 19 will be pushed aside by the sleeve such that the inlet sleeve instead rests against the circular edges of the inlet opening 15 (i.e., against the edge portions which are defined by the bending line 20 of the first layer and circular opening 34 of the third layer).
  • When the dust container is taken out of the vacuum cleaner, the cover to the space for the dust container is opened, the inlet sleeve is removed from the inlet opening 15, and the operator then grasps the grip part 27 of the dust container and pulls the plate shaped central element 21 upwards as shown in Fig. 1. The middle section of the tongue 26, as seen in the pulling direction, covers the opening of the flexible membrane 16 before the entire collar and hence the dust container is lifted out from the vacuum cleaner. Thus, the plate-shaped central element 21 does not have to cover the entire inlet opening 15, but only the flexible membrane opening 16. Consequently, the problem related to the conventional guillotine arrangement is avoided where the opening of the central element (i.e., the guillotine) sticks at the surrounding edge portions of the collar before the membrane opening has been completely covered.

Claims (5)

  1. A dust container comprising: a dust bag (10), a collar (11) fastened to the bag, and a flexible membrane (16) having a membrane opening (17), the flexible membrane partly covers an inlet opening (15) that can be at least partly sealed by a guillotine arrangement having a plate-shaped element (21) that is provided with an opening (23) and is moved parallel to a plane of the collar characterized in that a rear part of the plate-shaped opening, as seen in a moving direction of the plate-shaped element from an open to a closed position, is provided with a forwardly extending portion (26) whose central section is placed further forward, as seen in the moving direction, than adjacent side parts of the plate-shaped opening.
  2. A dust container according to claim 1 characterized in that the forwardly extending portion (26) is triangularly shaped.
  3. A dust container according to claim 1 characterized in that the forwardly extending portion (26) is are shaped.
  4. A dust container according to any of the preceding claims characterized in that the membrane opening (17) in the closed position of the plate-shaped element (21) is completely covered by the forwardly extending portion (26).
  5. A dust container according to any of the preceding claims characterized in that an edge portion of the inlet opening (15) has at least one resilient portion (19) that can be folded or torn off when the dust container is inserted into the vacuum cleaner to adapt the inlet opening (15) to the shape of an inlet sleeve of the vacuum cleaner.
EP01965810A 2000-09-22 2001-09-11 Dust container for a vacuum cleaner Expired - Lifetime EP1318746B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0003413 2000-09-22
SE0003413A SE517241C2 (en) 2000-09-22 2000-09-22 Dust container for a vacuum cleaner
PCT/SE2001/001959 WO2002024046A1 (en) 2000-09-22 2001-09-11 Dust container for a vacuum cleaner

Publications (2)

Publication Number Publication Date
EP1318746A1 EP1318746A1 (en) 2003-06-18
EP1318746B1 true EP1318746B1 (en) 2009-09-23

Family

ID=20281142

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01965810A Expired - Lifetime EP1318746B1 (en) 2000-09-22 2001-09-11 Dust container for a vacuum cleaner

Country Status (7)

Country Link
EP (1) EP1318746B1 (en)
AT (1) ATE443469T1 (en)
AU (1) AU2001286368A1 (en)
DE (1) DE60140005D1 (en)
PL (1) PL199582B1 (en)
SE (1) SE517241C2 (en)
WO (1) WO2002024046A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109068915A (en) * 2016-05-09 2018-12-21 伊莱克斯公司 Dust receptacle for vacuum cleaner
USD840615S1 (en) 2016-10-14 2019-02-12 Tti (Macao Commercial Offshore) Limited Handheld vacuum cleaner
USD844265S1 (en) 2016-10-14 2019-03-26 Tti (Macao Commercial Offshore) Limited Handheld vacuum cleaner
PL126973U1 (en) * 2018-01-24 2019-07-29 Wytwórnia Wyrobów Papierowych Worwo Spółka Z Ograniczoną Odpowiedzialnością Plate for installing the filter bag in a vacuum cleaner

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109715024B (en) 2016-04-15 2021-12-31 创科无线普通合伙 Vacuum cleaner and filter for vacuum cleaner
RU2706828C1 (en) * 2016-05-09 2019-11-21 Актиеболагет Электролюкс Dust collector for vacuum cleaner
CN113974486B (en) 2016-05-09 2023-03-31 伊莱克斯公司 Connection plate for dust container of vacuum cleaner
DK3326506T3 (en) 2016-11-23 2023-11-13 Electrolux Ab DUST CONTAINER FOR VACUUM CLEANERS
HUE059561T2 (en) 2016-11-23 2022-11-28 Electrolux Ab Devices of a vacuum cleaner dust container
CN109963486B (en) 2016-11-23 2021-11-19 伊莱克斯公司 Holder for dust container of vacuum cleaner
AU201812645S (en) 2017-12-05 2018-07-31 Tti Macao Commercial Offshore Ltd Housing for a vacuum filter
CN217096845U (en) 2018-08-31 2022-08-02 米沃奇电动工具公司 Electric tool

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3833799C2 (en) * 1988-10-05 1994-10-06 Licentia Gmbh Vacuum cleaner with a filter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109068915A (en) * 2016-05-09 2018-12-21 伊莱克斯公司 Dust receptacle for vacuum cleaner
CN109068915B (en) * 2016-05-09 2021-08-13 伊莱克斯公司 Dust receptacle for vacuum cleaner
USD840615S1 (en) 2016-10-14 2019-02-12 Tti (Macao Commercial Offshore) Limited Handheld vacuum cleaner
USD844265S1 (en) 2016-10-14 2019-03-26 Tti (Macao Commercial Offshore) Limited Handheld vacuum cleaner
PL126973U1 (en) * 2018-01-24 2019-07-29 Wytwórnia Wyrobów Papierowych Worwo Spółka Z Ograniczoną Odpowiedzialnością Plate for installing the filter bag in a vacuum cleaner

Also Published As

Publication number Publication date
EP1318746A1 (en) 2003-06-18
AU2001286368A1 (en) 2002-04-02
PL360987A1 (en) 2004-09-20
SE0003413L (en) 2002-03-23
WO2002024046A1 (en) 2002-03-28
ATE443469T1 (en) 2009-10-15
PL199582B1 (en) 2008-10-31
SE0003413D0 (en) 2000-09-22
DE60140005D1 (en) 2009-11-05
SE517241C2 (en) 2002-05-14

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