EP0552481B1 - Tuyau de succion téléscopique pour un aspirateur - Google Patents

Tuyau de succion téléscopique pour un aspirateur Download PDF

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Publication number
EP0552481B1
EP0552481B1 EP92121753A EP92121753A EP0552481B1 EP 0552481 B1 EP0552481 B1 EP 0552481B1 EP 92121753 A EP92121753 A EP 92121753A EP 92121753 A EP92121753 A EP 92121753A EP 0552481 B1 EP0552481 B1 EP 0552481B1
Authority
EP
European Patent Office
Prior art keywords
spring
locking
actuating attachment
restoring force
guide element
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
EP92121753A
Other languages
German (de)
English (en)
Other versions
EP0552481A1 (fr
Inventor
August Cordes
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.)
CARL FROH GMBH & CO
Original Assignee
Carl Froh Rohrenwerk & Co GmbH
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 Carl Froh Rohrenwerk & Co GmbH filed Critical Carl Froh Rohrenwerk & Co GmbH
Publication of EP0552481A1 publication Critical patent/EP0552481A1/fr
Application granted granted Critical
Publication of EP0552481B1 publication Critical patent/EP0552481B1/fr
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

Definitions

  • the invention relates to a telescopic vacuum cleaner suction pipe according to the preamble of claim 1.
  • Such a vacuum cleaner suction tube is already known from US-A-3 351 363.
  • the locking of the inner and outer tube can be released by finger pressure on a slide that is longitudinally displaceable on the outer tube and spring-loaded in both axial directions, in which the slide is moved from the unloaded rest position - which also corresponds to the locking position - into one of the two axial directions by finger pressure. After releasing the slide from finger pressure, it slides back into its original locking position by spring force.
  • Such telescopic vacuum cleaner suction pipes are used by very different users - they can have a small or large body length, be young or old or right-handed or left-handed, etc. - such a locking or actuating device must be as simple and easy to use as possible for everyone his.
  • the known vacuum cleaner suction tube it is possible to achieve an unlocking position by moving the handle by means of finger pressure in both longitudinal directions of the tube, so that the telescopic tubes can be pulled apart.
  • the known vacuum cleaner suction pipe has the locking position in the rest position of the spring, so that after the handle is released the same moves immediately from both unlocking positions - and without the user doing anything - into the locking position.
  • This makes it technically unskillful or untalented users to be able to reach the unlocking position almost instantly, since the movement of the handle in either of the two possible longitudinal directions of the tubes achieves the desired success - that is, the unlocking of the tubes.
  • the tubes are automatically locked together when the handle is released, so that this type of locking and actuating device can rightly be described as completely "foolproof".
  • the invention has for its object to provide a telescopic vacuum cleaner suction tube, which allows a simplified design of greater reliability.
  • the invention solves this problem according to the features of the characterizing part of claim 1.
  • a telescopic vacuum cleaner suction tube is generally designated by the reference number 10.
  • the suction pipe 10 has an inner pipe 11 and an outer pipe 12.
  • the outer tube 12 is provided at its illustrated end with a sleeve-like widening 13.
  • a plastic guide body 15 is arranged which is essentially circular in cross section.
  • a slide 16 which is movable along the longitudinal axis x of the tube, is held in the guide body 15 there is an actuating projection 17 and a handle 19.
  • the handle 19 is positively and non-positively connected to the actuating projection 17, which extends through a recess 18 through the outer tube 12.
  • a locking surface 23 is arranged in the center on the side of the actuating projection 17 facing the outer tube 12. This locking surface 23 can close an opening 24 in the guide body 15, a roller body 26 being held in the opening 24 and in a recess 25 arranged below it in the inner tube 11. On both sides of the locking surface 23 of the actuating projection 17 there is a cavity 27, which has a trapezoidal shape and, in the case of unlocking, offers space for the rolling element 26.
  • the slide 19 and thus, of course, the actuating projection 17 is moved in one of the directions of the double arrow, so that there is a cavity 27 above the opening 24 in the guide body 15 and thus also above the roller body 26, the same inner and outer tube 11th , 12 pulling force cause the rolling element 26 to be pressed out of the locking recess 25 into a cavity 17, so that the locking between the inner and outer tubes 11, 12 is released.
  • the slide 19 slides back into the rest position due to the spring restoring force of the bar spring 32, and if a differential force acts on the inner and outer tubes 11, 12 at the same time, the rolling element 26 is moved into the closest latching recess 25 and thus into a new locking position .
  • the annular rod spring 32 held at both ends in the guide body 15 forcibly returns the actuating projection 17 to the locking position when no more force is applied to the handle 19.
  • the spring rest position of the spring rod 32 would then have to match the locking position.
  • the annular bar spring 32 is at least partially held in a groove 33 on the circumferential surface 20 of the half of the guide body 15, not shown, up to approximately the mold-dividing plane (guide bar 34), a section 35 of the bar spring 32 simultaneously engaging in a groove 36 of the actuating projection 17 . Since the bar spring 32 is unguided above the mold division plane between the groove 33 and the groove 36, the bar spring 32 can be deflected in both longitudinal directions of the guide body 15. This always happens when the actuating projection 17 guided between the edge strips 37 on the peripheral surface 20 of the guide body 15 is moved in one of the two possible directions by means of the handle 19.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Claims (2)

  1. Tube d'aspiration télescopique pour aspirateur (10) comprenant un tube extérieur (12) et un tube intérieur (11) pourvu d'une baguette d'encliquetage qui s'étend axialement, cependant qu'entre les deux tubes (11, 12), un coulisseau (16) qui peut être déplacé par la pression d'un doigt depuis une position de verrouillage à l'encontre d'une force élastique de rappel (32) et qui est guidé sur un organe de guidage (15) maintient vers le bas, au moyen d'une surface de verrouillage (23) de sa pièce rapportée d'actionnement (17), un organe roulant (26) retenu dans un évidement d'encliquetage (25) de la baguette d'encliquetage dans la position de blocage des tubes (11, 12) l'un par rapport à l'autre, et qu'il libère cet organe roulant dans au moins une position de déverrouillage, cependant que la pièce rapportée d'actionnement (17) présente une zone de déverrouillage dans chacune des deux directions axiales de déplacement, et qu'elle peut être déplacée à l'encontre d'une force de rappel élastique (en 32) jusque dans chacune de ses deux positions qui libèrent l'organe roulant (26), et cependant que la force de rappel élastique respective est produite par au moins un ressort (32) qui entoure l'organe de guidage (15) d'une manière annulaire, caractérisé par le fait que le jonc annulaire élastique (32) produit la force de rappel élastique respective pour les deux directions axiales de déplacement, par le fait que le jonc annulaire élastique (32) est fixé par l'une de ses parties dans une rainure de retenue (33) de la surface (20) du pourtour de l'organe de guidage (15), par le fait que le jonc annulaire élastique (32) pénètre par une autre partie (35) dans une rainure (36) de la pièce rapportée d'actionnement (17), par le fait que le jonc annulaire élastique (32) n'est pas guidé entre la rainure (36) de la pièce rapportée d'actionnement (17) et la rainure de retenue (33), en pouvant être dévié grâce à cela dans les deux directions axiales de déplacement, et par le fait que la position de repos du jonc annulaire élastique (32) coïncide avec la position de verrouillage de la pièce rapportée d'actionnement (17).
  2. Tube d'aspiration télescopique pour aspirateur selon la revendication 1, caractérisé par le fait que la rainure périphérique (33) ménagée sur le côté de l'organe de guidage (15) qui est opposé à la pièce rapportée d'actionnement (17) s'étend à peu près jusqu'au plan médian de celle-ci.
EP92121753A 1992-01-11 1992-12-22 Tuyau de succion téléscopique pour un aspirateur Expired - Lifetime EP0552481B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4200527 1992-01-11
DE4200527A DE4200527C2 (de) 1992-01-11 1992-01-11 Teleskopierbares Staubsauger-Saugrohr

Publications (2)

Publication Number Publication Date
EP0552481A1 EP0552481A1 (fr) 1993-07-28
EP0552481B1 true EP0552481B1 (fr) 1996-05-15

Family

ID=6449351

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92121753A Expired - Lifetime EP0552481B1 (fr) 1992-01-11 1992-12-22 Tuyau de succion téléscopique pour un aspirateur

Country Status (6)

Country Link
EP (1) EP0552481B1 (fr)
AT (1) ATE137936T1 (fr)
DE (2) DE4200527C2 (fr)
DK (1) DK0552481T3 (fr)
ES (1) ES2088079T3 (fr)
GR (1) GR3020088T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009531096A (ja) * 2006-03-31 2009-09-03 オ エンメ エ チ ソシエタ ペル アチオニ 家庭用電気器具のための伸縮自在の延長チューブ

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19615814C2 (de) * 1995-04-27 1998-01-29 Zelmer Teleskopierbares Staubsaugerrohr
DE19528814C1 (de) * 1995-08-05 1996-10-10 Fischer Rohrtechnik Gmbh Teleskopierbares Staubsauger-Saugrohr mit doppelter Verriegelung
KR100220826B1 (ko) * 1995-08-10 1999-10-01 다카노 야스아키 전기청소기용 연장관
WO1997012168A1 (fr) * 1995-09-28 1997-04-03 Philips Electronics N.V. Raccord de tuyau comportant une coulisse de deverrouillage a mouvement axial
DE19738194C1 (de) * 1997-02-14 1998-06-10 Froh Carl Gmbh Teleskopierbares Staubsauger-Saugrohr
DE19706210B4 (de) * 1997-02-18 2007-03-29 Fon Telescopic Systems Gmbh Teleskopierbares Staubsauger-Saugrohr
EP0893089A1 (fr) * 1997-07-25 1999-01-27 Apparatur Verfahren S.A. Tube de suceur à réglage télescopique pour aspirateur de poussières, dispositif de blocage pour ce tube, et utilisation de ce dispositif dans un tube de suceur
AUPP124098A0 (en) * 1998-01-07 1998-01-29 Tubalco Manufacturing Pty Ltd Locking arrangement for telescopically moving tubes
WO2000000075A1 (fr) * 1998-06-30 2000-01-06 Daewoo Electronics Co., Ltd. Ensemble tube-rallonge telescopique d'aspirateur
DE19980003T1 (de) 1999-02-09 2001-07-26 Eunsung Electronics Co Ansaugrohr eines Staubsaugers
AU2189299A (en) * 1999-02-09 2000-03-06 Eunsung Electronics Co., Ltd. A suction pipe of a vacuum cleaner
KR19990064785A (ko) * 1999-05-10 1999-08-05 김승곤 진공청소기의 흡입관 길이조절장치
SI1092383T1 (sl) 1999-10-11 2008-10-31 Omec Spa Teleskopski podaljšek za električni gospodinjski aparat
EP1106133A1 (fr) * 1999-12-07 2001-06-13 Wuxian Yuexi Power Cable and Electrical Factory Tube d'aspiration téléscopique pour aspirateur
KR200185773Y1 (ko) * 1999-12-11 2000-06-15 광동정밀주식회사 진공청소기의 흡입관 길이조절장치
DE10030304A1 (de) 2000-06-27 2002-02-14 Froh House Tech Gmbh & Co Kg Steckverbindbare Staubsaugerrohr-Anordnung
CN1303933C (zh) * 2004-12-15 2007-03-14 徐为尔 真空吸尘器的吸管
GB2495123B (en) * 2011-09-29 2014-05-28 Dyson Technology Ltd An upright vacuum cleaner
KR101304606B1 (ko) * 2011-11-02 2013-09-05 강소국신금속제품유한회사 진공청소기의 텔레스코픽 연장관
WO2019029603A1 (fr) * 2017-08-09 2019-02-14 天佑电器（苏州）有限公司 Dispositif de tube télescopique et aspirateur le comprenant
CN109381109A (zh) 2017-08-09 2019-02-26 天佑电器（苏州）有限公司 一种伸缩管装置及具有其的吸尘器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3351363A (en) * 1964-12-23 1967-11-07 Electrolux Corp Adjustable length wand
US4240466A (en) * 1979-01-15 1980-12-23 Parker-Hannifin Corporation Push-pull coupling
DE8127370U1 (de) * 1981-09-18 1982-03-18 Argus Verwaltungsgesellschaft Mbh, 7505 Ettlingen Schnellverschlusskupplung fuer stroemungsmittelleitungen, insbesondere hydraulikleitungen
DE8707887U1 (fr) * 1987-06-03 1987-08-06 Carl Froh Roehrenwerk Gmbh & Co, 5768 Sundern, De
DE59001030D1 (de) * 1989-05-20 1993-04-22 Froh Roehren Teleskopierbares staubsauger-saugrohr.
DE4101049C2 (de) * 1991-01-16 1997-08-21 Miele & Cie Teleskopierbares Saugrohr eines Staubsaugers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009531096A (ja) * 2006-03-31 2009-09-03 オ エンメ エ チ ソシエタ ペル アチオニ 家庭用電気器具のための伸縮自在の延長チューブ
TWI393548B (zh) * 2006-03-31 2013-04-21 Omec Spa 用於家用電器的伸縮延伸件

Also Published As

Publication number Publication date
GR3020088T3 (en) 1996-08-31
ES2088079T3 (es) 1996-08-01
DE4200527C2 (de) 1995-11-09
DE59206313D1 (de) 1996-06-20
EP0552481A1 (fr) 1993-07-28
DE4200527A1 (de) 1993-07-22
ATE137936T1 (de) 1996-06-15
DK0552481T3 (da) 1996-06-03

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