EP0426534A1 - Gehäuse mit Drehgelenk für Staubsaugermundstück - Google Patents

Gehäuse mit Drehgelenk für Staubsaugermundstück Download PDF

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Publication number
EP0426534A1
EP0426534A1 EP90403008A EP90403008A EP0426534A1 EP 0426534 A1 EP0426534 A1 EP 0426534A1 EP 90403008 A EP90403008 A EP 90403008A EP 90403008 A EP90403008 A EP 90403008A EP 0426534 A1 EP0426534 A1 EP 0426534A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
groove
housing
tubing
notch
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.)
Granted
Application number
EP90403008A
Other languages
English (en)
French (fr)
Other versions
EP0426534B1 (de
Inventor
Michel Varin
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.)
Georges Olivier Dit Ets SA
Original Assignee
GEORGES OLIVIER Ets SA
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 GEORGES OLIVIER Ets SA filed Critical GEORGES OLIVIER Ets SA
Publication of EP0426534A1 publication Critical patent/EP0426534A1/de
Application granted granted Critical
Publication of EP0426534B1 publication Critical patent/EP0426534B1/de
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

Definitions

  • the present invention relates to improvements made to housings with a rotary coupling for a vacuum cleaner nozzle.
  • a rotary connector housing for a vacuum cleaner nozzle generally has a top and a side wall, the rear part of which forms a body. This sleeve opening to the outside is intended to receive a tubing of a connector rigidly connected or articulated on a tubular handle of a vacuum cleaner.
  • the connection tubing is mounted to rotate about an anteroposterior axis and immobilized in translation in the sleeve.
  • the top of the housing forms a body with a substantially vertical internal conduit, communicating the aforementioned connection tubing with a window of a slip sole fitted and fixed under the housing, window which opens into a longitudinal channel suction from the sole.
  • a first known type of rotary mounting of the tubing consists in providing a molding opening in the tubing near its free end, a groove opening on the outside and in the sleeve near the duct, a groove opening on the inside, placing these two grooves facing each other when a shoulder of the tubing abuts against the free end of the sleeve and to accommodate in these grooves an elastically deformable split ring.
  • This ring usually called a circlip ensures the non-removable connection of the tubing with the sleeve, a connection which allows it to rotate but not to disengage.
  • the drawback of this first type of mounting is that the thickness of the sleeve is not constant and that this results in molding difficulties, shrinkage detrimental to the aesthetics of the finished part and a lowering of the rate d 'injection. Furthermore, the tubing is non-removable, which can be detrimental to good maintenance of the nozzle.
  • a second known type of rotary mounting of the tubing consists in engaging two parallel rods in the sleeve so that they penetrate tangentially into the groove of the tubing.
  • the molding reveals marks due to shrinkage, marks that compromise aesthetics.
  • the molding is in this case improved. Disassembly although difficult becomes possible but is often accompanied by deterioration. By cons, the guide is defective and gives rise very quickly to a game detrimental to the operation of the squeegee.
  • the object of the present invention is to remedy these drawbacks: by proposing a rotary mounting means such that the thickness of the sleeve is constant, that the guidance of the tubing is practically perfect and that the disassembly of said tubing is easily and without deterioration possible, - and by concomitantly providing the means necessary to ensure a better flow of the gas flow and to reduce the risks of deposition of particles (dust, fibers, hair, etc.) in the nozzle and of leakage outside, at the same time as these means facilitate molding, increase the injection rate and therefore reduce the cost price, eliminate apparent defects: shrinkage, injection point ...
  • the sleeve is free from a groove, has a substantially constant thickness and delimits a notch extending substantially over the upper half of its periphery opposite an opening made in the top of the housing
  • the tubing has a cylindrical seat rotatably mounted in the sleeve and limited by a butting shoulder against the free end of the latter, position in which a groove of this tube is located opposite the aforementioned notch of the sleeve
  • a tab delimits a semicircular recess with a diameter at least equal as close as possible to the diameter at the bottom of the throat of the tubing, is capable of passing through the notch of the sleeve to penetrate the throat and is integral with a clip-on cover normally fitted in the aforementioned opening of the housing, position in which the tubing is immobilized in translation on the outside by abutment of its shoulder against the free end of the sleeve and on the inside by abutment of the front edge
  • the rear edge of the notch of the sleeve is in a divergent upward slope to cooperate with inclined lateral ramps of the tab intended to position the tubing axially in said sleeve; the front edge of the throat of the tubing is located opposite the front edge of the notch of the sleeve.
  • a metal strip having substantially the shape of the tab can be interposed between it and the front edge of the groove of the tube.
  • the housing comprising a vertical internal conduit which opens at the top into the sleeve and at the bottom in a window of a sole normally fixed under this housing, according to the invention, the conduit is bent in top towards the sleeve to reduce pressure losses, the opening of the top of the housing normally closed by the cover of the aforementioned tab having a width determined in correspondence with the anteroposterior extent of the elbow to allow the passage of the part of the mold which defines the upper external shape of the elbow, as well as of the injection nozzle.
  • the squeegee comprises a casing 1 made of molded plastic.
  • the housing has a top 2 forming a body: - with a peripheral wall 3, the rear part 4 of which has an internal and external projection, a tubular sleeve 5, - And with a vertical duct 6 which opens at the top into the sleeve 5 and at the bottom in a window 7 of a longitudinal suction channel 8 formed in a sole 9 fixed to candles 10 of this housing.
  • a suction pipe 11 can be connected by its bent end 12 to a vacuum cleaner handle. Its free end 13 forms a tubular end piece which projects from a shoulder 14.
  • the end piece 13 has cylindrical bearing surfaces 15 to 17 intended to be fitted into the sleeve 5. Between the bearing surfaces 15 and 16 are provided annular sealing lips 18 and an axial immobilization groove 19 separates the bearing surfaces 16 and 17.
  • the conduit 6 has at its base a rectangular section connected to the sleeve 5 by a vertical rear wall 20, by a vertical front wall 21 extended by an upper bend 22 (Figure 1) and by vertical side walls 23 extended by converging walls 24 connected at elbow 22 ( Figure 2).
  • the duct 6 thus shaped connects the window 7 to the sleeve 5 with a progressive variation of the section and a guided deviation in the curve of the direction of flow.
  • This conduit 6 is integral with the top 2 of the housing via a parallelepipedal bowl 25.
  • the bottom 26 of the bowl is integral with the conduit 6, while the peripheral wall 27 of this bowl which is spaced from this conduit 6 is secured to the top 2 of the housing as well as to the upper half of the sleeve 5.
  • the peripheral wall 27 delimits in the top 2 an opening 28 through which a part of the mold can pass, defining the shape of the upper outer portion of the sleeve 5 and of the conduit 6 as well as the interior shape of the bowl 25. It is provided to close the opening 28 by means of a cover 29 positioned in a recess of the top 2 and fixing, in a removable manner, by means of flexible tongues with teeth 30 clipped into slots 31 of the bowl 25.
  • the cover 29 is integral with a lug 32 delimiting a semi-circular recess 33 whose diameter is substantially equal to the diameter of the bottom of the groove 19 of the end piece 13 of the tubing 11. Furthermore, a notch 34 is formed in the sleeve 5 and delimited by a sloping rear edge 36 which diverges upwards.
  • the tab 32 of the cover 29 placed, enters the groove 19 of the 'end piece 13 and immobilizes, by abutment against the rear edge 37 of said groove, in translation said end piece without opposing its rotation.
  • the tab 32 is integral with inclined ramps 38 cooperating with the sloping rear edges 36 of the notches 34 of the sleeve 5.
  • the front edges 35 of the notches can be aligned with the front edge 37 of the groove 19 of the end piece 13 when the latter is in place so that the tab 32 and its ramps 38 get stuck perfectly in said notches.
  • a metal strip 39 is shaped like the tab 32 at least for the part of the latter which penetrates into the groove 19 of the end piece 13. This strip is then interposed between the tab 32 and the posterior edge 37 of said groove. It ensures better sliding during rotation of the nozzle and reduces wear.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Electric Suction Cleaners (AREA)
  • Centrifugal Separators (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
EP19900403008 1989-10-31 1990-10-25 Gehäuse mit Drehgelenk für Staubsaugermundstück Expired - Lifetime EP0426534B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8914305 1989-10-31
FR8914305A FR2653654B1 (fr) 1989-10-31 1989-10-31 Boitier a raccord tournant pour suceur d'aspirateur.

Related Child Applications (3)

Application Number Title Priority Date Filing Date
EP19910400244 Division-Into EP0432149B1 (de) 1989-10-31 1990-10-25 Gehäuse mit Drehgelenk für Staubsaugermundstück
EP19910400244 Division EP0432149B1 (de) 1989-10-31 1990-10-25 Gehäuse mit Drehgelenk für Staubsaugermundstück
EP91400244.9 Division-Into 1990-10-25

Publications (2)

Publication Number Publication Date
EP0426534A1 true EP0426534A1 (de) 1991-05-08
EP0426534B1 EP0426534B1 (de) 1994-05-18

Family

ID=9386985

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19900403008 Expired - Lifetime EP0426534B1 (de) 1989-10-31 1990-10-25 Gehäuse mit Drehgelenk für Staubsaugermundstück
EP19910400244 Expired - Lifetime EP0432149B1 (de) 1989-10-31 1990-10-25 Gehäuse mit Drehgelenk für Staubsaugermundstück

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19910400244 Expired - Lifetime EP0432149B1 (de) 1989-10-31 1990-10-25 Gehäuse mit Drehgelenk für Staubsaugermundstück

Country Status (4)

Country Link
EP (2) EP0426534B1 (de)
DE (2) DE69007758T2 (de)
ES (2) ES2054448T3 (de)
FR (1) FR2653654B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994017720A1 (en) * 1993-02-13 1994-08-18 Vax Limited Swivel joints primarily for mounting suction cleaner heads
EP0749719A2 (de) * 1995-06-22 1996-12-27 Siemens Aktiengesellschaft Lösbare Anordnung eines Funktionsteiles in einer Gehäuseöffnung eines Staubsaugers
FR2748196A1 (fr) * 1996-05-01 1997-11-07 Wessel Werk Gmbh Tete d'aspiration pour aspirateur
GB2422092A (en) * 2005-01-18 2006-07-19 Dyson Technology Ltd Cleaning head for a vacuum cleaner

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19839865A1 (de) * 1998-09-02 2000-03-09 Vorwerk Co Interholding Staubsauger
DE102015104436A1 (de) * 2015-03-24 2016-09-29 Wessel-Werk Gmbh Gleitsohle für eine Staubsaugerdüse

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496813A (en) * 1945-08-21 1950-02-07 Electrolux Corp Pipe joint
US2842794A (en) * 1954-11-12 1958-07-15 Electrolux Corp Tapered multi-purpose nozzle
FR2535963A1 (fr) * 1982-11-12 1984-05-18 Olivier Ets Georges Dispositif de montage tournant d'une tubulure aspirante sur un suceur d'aspirateur
DE3708503A1 (de) * 1986-04-01 1987-10-08 Siemens Ag Staubsaugermundstueck

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117338A (en) * 1956-06-11 1964-01-14 Filtex Corp Suction nozzle
FR2599236B1 (fr) * 1986-05-30 1989-03-10 Olivier Ets Georges Suceur d'aspirateur avec arrache-fils.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496813A (en) * 1945-08-21 1950-02-07 Electrolux Corp Pipe joint
US2842794A (en) * 1954-11-12 1958-07-15 Electrolux Corp Tapered multi-purpose nozzle
FR2535963A1 (fr) * 1982-11-12 1984-05-18 Olivier Ets Georges Dispositif de montage tournant d'une tubulure aspirante sur un suceur d'aspirateur
DE3708503A1 (de) * 1986-04-01 1987-10-08 Siemens Ag Staubsaugermundstueck

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994017720A1 (en) * 1993-02-13 1994-08-18 Vax Limited Swivel joints primarily for mounting suction cleaner heads
EP0749719A2 (de) * 1995-06-22 1996-12-27 Siemens Aktiengesellschaft Lösbare Anordnung eines Funktionsteiles in einer Gehäuseöffnung eines Staubsaugers
EP0749719A3 (de) * 1995-06-22 1998-06-03 Bosch-Siemens Hausgeräte GmbH Lösbare Anordnung eines Funktionsteiles in einer Gehäuseöffnung eines Staubsaugers
FR2748196A1 (fr) * 1996-05-01 1997-11-07 Wessel Werk Gmbh Tete d'aspiration pour aspirateur
GB2422092A (en) * 2005-01-18 2006-07-19 Dyson Technology Ltd Cleaning head for a vacuum cleaner
US9204770B2 (en) 2005-01-18 2015-12-08 Dyson Technology Limited Cleaner head for a cleaning appliance

Also Published As

Publication number Publication date
EP0432149A2 (de) 1991-06-12
ES2056418T3 (es) 1994-10-01
DE69007758D1 (de) 1994-05-05
FR2653654B1 (fr) 1992-02-14
ES2054448T3 (es) 1994-08-01
EP0426534B1 (de) 1994-05-18
FR2653654A1 (fr) 1991-05-03
DE69009004T2 (de) 1994-10-13
EP0432149B1 (de) 1994-03-30
DE69009004D1 (de) 1994-06-23
DE69007758T2 (de) 1994-11-03
EP0432149A3 (en) 1991-08-21

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