EP0998871B1 - Teleskopierbares Staubsauger-Saugrohr - Google Patents

Teleskopierbares Staubsauger-Saugrohr Download PDF

Info

Publication number
EP0998871B1
EP0998871B1 EP99120504A EP99120504A EP0998871B1 EP 0998871 B1 EP0998871 B1 EP 0998871B1 EP 99120504 A EP99120504 A EP 99120504A EP 99120504 A EP99120504 A EP 99120504A EP 0998871 B1 EP0998871 B1 EP 0998871B1
Authority
EP
European Patent Office
Prior art keywords
tube
inner tube
face
projection
vacuum cleaner
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
EP99120504A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0998871A1 (de
Inventor
Uwe Meister
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.)
Froh House Tech GmbH and Co KG
Original Assignee
Froh House Tech GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Froh House Tech GmbH and Co KG filed Critical Froh House Tech GmbH and Co KG
Priority to DK99120504T priority Critical patent/DK0998871T3/da
Publication of EP0998871A1 publication Critical patent/EP0998871A1/de
Application granted granted Critical
Publication of EP0998871B1 publication Critical patent/EP0998871B1/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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A47L9/244—Hose or pipe couplings for telescopic or extensible hoses or pipes
    • 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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings

Definitions

  • the invention relates to a telescopic vacuum cleaner suction pipe according to the preamble of the claim 1.
  • a vacuum cleaner suction pipe is through DE 40 17 721 A1 has become known.
  • the well-known vacuum cleaner suction pipe has in particular because of minimized suction losses as advantageous proved. This is achieved in that the the telescopic eye already existing space between the outer surface of the inner tube and the inner surface the outer tube to accommodate the Plastic existing sealing sleeve is used.
  • the known sealing sleeve as a locking means on the sleeve side protruding radially inwards, resilient in the radial direction flexible latches.
  • the inner tube has the counter-locking means on the tube side of the known vacuum cleaner suction tube, the inner tube wall penetrating recesses (openings) in which the sleeve-side locking lugs engage.
  • the way of assembly consists of the sealing sleeve with its outer axial area facing away from its sealing lip ahead over the inner face of the inner tube away axially on their outer surface to be pushed open far until the locking lugs on the sleeve side engage the openings on the inner tube side.
  • the invention has the object of being mountable to improve the known sealing sleeve and, if necessary associated with this, the cost of to reduce the assembly of the sealing sleeve.
  • this object solved that the inner tube as a counter-locking means at least one in the space between interior and Outer tube protruding projection is assigned that the projection is fixed on the wall of the inner tube is, and that the sleeve-side locking means from one the inner surface of the sleeve open, the counter-locking means receiving recess is formed, which a Breakthrough in the wall of the sealing sleeve forms.
  • the particular advantage of the arrangement according to the invention is that it is in the space inner tube-side protruding between inner and outer tube Head start - in contrast to the wall of the inner tube penetrating recess according to the DE 40 17 721 A1 - with simple means from the start trained in such a way that it can be mounted on the slide the sealing sleeve the inner contour of the sleeve Can not damage the recess.
  • One aspect of the invention is in this context also in having recognized that it is beneficial is the recess the softer material of the Material pairing, i.e. to assign the sealing sleeve, and the tube-side counter-locking means, the projection So, from the harder material of the inner tube form.
  • the invention expediently provides that the projection permanently attached to the wall of the inner tube is, this connection expediently from a cohesive connection of the projection with the wall of the inner tube can exist.
  • an inner tube made of metal the projection one that protrudes outward from the pipe interior and remains deformed embossing point.
  • the manufacture of such Embossing is particularly favorable if the inner tube anyway at least one as a pull-out stop for that Outer tube determined from the outer surface of the inner tube has outstanding embossing.
  • the stamping tool needs to make the pull-out stop just a little Dimension to be axially offset to the tube-side counter-locking means, namely the projection according to the invention finished. It is also possible to use a double stamping tool both the pull-out stop and the one according to the invention Head start, summarized in time, in to manufacture one operation.
  • the shape of the outer contour of the projection has all possible forms an advantageous embodiment is designed such that the outer contour of the projection in the transition to the outer circumferential surface of the inner tube approximately triangular or is approximately trapezoidal, with the inner End face of the inner tube pointing triangle or Trapezoidal legs of the outer contour limit the sliding surface and the base facing away from the inner face the triangle contour or trapezoidal contour the counter-blocking surface limited.
  • a further development according to the invention exists in that the inner contour of the sleeve side Notch forming recess on the outer contour of the Projection is adjusted.
  • the recess on the sleeve side forming a recess to be provided in the inner surface of the sleeve body, it sees the invention of ease of manufacture for the sake of being particularly cheap, such Cut-out as opening in the wall of the sealing sleeve train.
  • the radial is expedient
  • the height of the projection is equal to or less than the wall thickness the sealing sleeve.
  • the known sealing sleeve according to the DE 40 17 721 A1 has a radial at its inner end inward protruding support ring, which is after installing the sealing sleeve against the inner face of the inner tube and thus a deferral limitation represents.
  • Such a deferral limit can either while maintaining the known support ring or by Replacement of the known support ring according to the invention be realized by the inner Face of the inner tube facing away from the face Sealing sleeve against at least one in the space protruding between the inner and outer tube, on The inner tube is struck by the support stop.
  • An inner tube 10 e.g. made of metal, like sheet steel or the like, carries 12 on its outer surface a sealing sleeve adjacent to its inner end face 11 13 from a suitable for sealing purposes thermoplastic, e.g. made of polyamide, made of polyethylene or polypropylene.
  • thermoplastic e.g. made of polyamide, made of polyethylene or polypropylene.
  • the inner tube 10 is part of a telescopic Vacuum cleaner suction tube assembly.
  • the sealing sleeve 13 is in the normal range or space Z between the outer surface 12 of the inner tube 10 and the inner surface 21 of the Outer tube 20 arranged.
  • sealing lip 14 protruding to the left of the sealing sleeve 13 presses under radial deformation over the entire circumferential length radially from the inside to the outside against the inner circumferential surface 21 of the outer tube 20.
  • sealing sleeve 13 accordingly 1-4 is the axial towards the left Area 15 projecting over the inner end face 11 the sealing sleeve 13 approximately conically radially drawn in that a radially inward Support ring 16 is present, which is axially against the inner end face 11.
  • a radially inward Support ring 16 is present, which is axially against the inner end face 11.
  • the inner tube 10 has a radially outwardly deformed axial guide bead 17, in which one of the inner circumferential surface 19 of the sealing sleeve 13 radially engages inwardly projecting axial guide rib 18.
  • the inner tube 10 has four in as a counter-locking means the space Z between the outer surface 12 of the inner tube 10 and the inner surface 19 of the Outer tube 20 protruding projections 22.
  • Each projection 22 is from a sleeve side Locking means in the form of a recess 23, which has a breakthrough in the wall of the sealing sleeve 13 forms.
  • Each projection 22 is with the wall of the inner tube 10 cohesively connected.
  • the respective projection 22 one from the interior 24 of the inner tube 10 protruding into the space Z, permanent deformed embossing point.
  • Each recess 23 forms the inner one End face 11 of the inner tube 10 side facing away one transverse to the surface line M of the outer surface 12 of the inner tube 10 extending blocking surface S, which is one of the inner end face 11 of the inner tube 10 opposite corresponding counter barrier area G of the projection 22 engages behind.
  • Each projection 22 forms an inner end face 11 of the inner tube 10 up to its outer surface 12 smooth, sloping ramp-like sliding surface 25th
  • each projection 22 is in the Transition to the outer surface 12 of the inner tube 10 approximately triangular or approximately trapezoidal. there limit the inner end face 11 of the inner tube 10 pointing triangle or trapezoidal legs 26 of Outer contour of the sliding surface 25, while that of the inner End face 11 facing away from base 27 of the triangle contour or the trapezoidal contour the counter-blocking surface G limited.
  • the Inner contour K of the recess 23 roughly the outer contour the projection 22 adapted.
  • the support ring 16th can be omitted (does not necessarily have to be omitted) if the sealing sleeve 13 designed in this way, in particular is extended that they with their outer end face 30 against at least one in the space Z protruding between inner tube 10 and outer tube 20
  • Support stop 28 encounters an additional pull-out stop can form for the outer tube 20.
  • the support stop 29 also represents an embossing point.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Joints Allowing Movement (AREA)
EP99120504A 1998-11-02 1999-10-15 Teleskopierbares Staubsauger-Saugrohr Expired - Lifetime EP0998871B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK99120504T DK0998871T3 (da) 1998-11-02 1999-10-15 Teleskopisk stövsuger-sugerör

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19850355 1998-11-02
DE19850355A DE19850355A1 (de) 1998-11-02 1998-11-02 Teleskopierbares Staubsauger-Saugrohr

Publications (2)

Publication Number Publication Date
EP0998871A1 EP0998871A1 (de) 2000-05-10
EP0998871B1 true EP0998871B1 (de) 2004-08-04

Family

ID=7886348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99120504A Expired - Lifetime EP0998871B1 (de) 1998-11-02 1999-10-15 Teleskopierbares Staubsauger-Saugrohr

Country Status (16)

Country Link
EP (1) EP0998871B1 (et)
JP (1) JP4048261B2 (et)
KR (1) KR100452577B1 (et)
AT (1) ATE272352T1 (et)
CZ (1) CZ295210B6 (et)
DE (2) DE19850355A1 (et)
DK (1) DK0998871T3 (et)
EE (1) EE03946B1 (et)
ES (1) ES2226260T3 (et)
HK (2) HK1038487A1 (et)
HU (1) HUP9903847A3 (et)
NO (1) NO995321L (et)
PL (1) PL191252B1 (et)
RU (1) RU2161900C1 (et)
SK (1) SK144899A3 (et)
UA (1) UA52741C2 (et)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006030138B3 (de) * 2006-06-29 2007-10-18 Roxxan Gmbh Teleskopierbares Staubsauger-Saugrohr
EP2277427A2 (en) 2009-07-24 2011-01-26 Samsung Gwangju Electronics Co., Ltd. Telescopic pipe for electronic apparatus

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0105781D0 (en) * 2001-03-08 2001-04-25 Dyson Ltd Wand assembly for a vacuum cleaner
DE102005059107B3 (de) * 2005-12-08 2007-03-01 Fon Telescopic Systems Gmbh Teleskopierbares Staubsauger-Saugrohr
GB2452044A (en) 2007-08-21 2009-02-25 Dyson Technology Ltd A wand for an appliance
KR101266611B1 (ko) 2010-11-29 2013-05-22 광동하이텍 주식회사 진공청소기의 텔레스코픽 연장관
EP2772174B1 (de) * 2013-03-01 2020-06-10 Fischer Rohrtechnik GmbH Staubsauger-saugrohr

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2184881A (en) * 1937-03-19 1939-12-26 P A Geier Co Tubular coupling for suction cleaners and the like
US2245151A (en) * 1939-06-08 1941-06-10 P A Geier Co Tubular coupling for suction cleaners and the like
NL69449C (et) * 1946-03-04
JPS5546118Y2 (et) * 1975-06-03 1980-10-29
DE2629915C3 (de) * 1975-07-03 1981-11-26 Automation Industries, Inc., Los Angeles, Calif. Anschlußstück zur Herstellung einer abdichtenden Verbindung mit einer an einem Schlauchende angeformten flexiblen Manschette, insbesondere für Staubsauger
JPS61140755U (et) * 1985-02-20 1986-08-30
DE3605605A1 (de) * 1986-02-21 1987-09-03 Vsr Eng Foerdertechnik Muffenkupplung fuer rohr und schlaeuche, insbesondere fuer saugleitungen mit saugduesen
DE9006234U1 (de) * 1990-06-01 1990-08-09 Carl Froh Röhrenwerk GmbH & Co, 5768 Sundern Teleskopierbares Staubsauger-Saugrohr
US5462311A (en) * 1992-11-13 1995-10-31 Royal Appliance Mfg. Co. Telescoping wand for vacuum cleaners
US5372391A (en) * 1993-02-22 1994-12-13 The United States Of America As Represented By The United States Department Of Energy Internal pipe attachment mechanism
ITPD960154A1 (it) * 1996-06-12 1997-12-12 Lindhaus Srl Struttura di prolunga tubolare telescopica particolarmente per elettro domestici e macchine per la pulizia in genere
JPH10295599A (ja) * 1997-04-28 1998-11-10 Matsushita Electric Ind Co Ltd 電気掃除機用延長管
KR100228726B1 (ko) * 1997-12-05 1999-11-01 배길성 진공청소기용 연통장치의 연장관조립체

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006030138B3 (de) * 2006-06-29 2007-10-18 Roxxan Gmbh Teleskopierbares Staubsauger-Saugrohr
EP2277427A2 (en) 2009-07-24 2011-01-26 Samsung Gwangju Electronics Co., Ltd. Telescopic pipe for electronic apparatus

Also Published As

Publication number Publication date
NO995321D0 (no) 1999-11-01
DK0998871T3 (da) 2004-11-15
CZ9903691A3 (cs) 2000-12-13
CZ295210B6 (cs) 2005-06-15
DE59910120D1 (de) 2004-09-09
ATE272352T1 (de) 2004-08-15
DE19850355A1 (de) 2000-05-11
HK1038487A1 (en) 2002-03-22
ES2226260T3 (es) 2005-03-16
HU9903847D0 (en) 1999-12-28
NO995321L (no) 2000-05-03
EE9900458A (et) 2000-06-15
PL336338A1 (en) 2000-05-08
SK144899A3 (en) 2000-05-16
HK1028172A1 (en) 2001-02-09
HUP9903847A2 (hu) 2000-09-28
JP4048261B2 (ja) 2008-02-20
HUP9903847A3 (en) 2002-05-28
RU2161900C1 (ru) 2001-01-20
KR20000035094A (ko) 2000-06-26
PL191252B1 (pl) 2006-04-28
EP0998871A1 (de) 2000-05-10
KR100452577B1 (ko) 2004-10-14
EE03946B1 (et) 2003-02-17
UA52741C2 (uk) 2003-01-15
JP2000185001A (ja) 2000-07-04

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