EP1251765B1 - Ensemble de direction destine particulierement aux machines de nettoyage domestiques et/ou industrielles - Google Patents

Ensemble de direction destine particulierement aux machines de nettoyage domestiques et/ou industrielles Download PDF

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Publication number
EP1251765B1
EP1251765B1 EP01921267A EP01921267A EP1251765B1 EP 1251765 B1 EP1251765 B1 EP 1251765B1 EP 01921267 A EP01921267 A EP 01921267A EP 01921267 A EP01921267 A EP 01921267A EP 1251765 B1 EP1251765 B1 EP 1251765B1
Authority
EP
European Patent Office
Prior art keywords
connector
steering assembly
shaped
machine body
duct
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
EP01921267A
Other languages
German (de)
English (en)
Other versions
EP1251765A1 (fr
Inventor
Luigi Amoretti
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.)
TPA Impex SpA
Original Assignee
TPA Impex SpA
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Filing date
Publication date
Application filed by TPA Impex SpA filed Critical TPA Impex SpA
Publication of EP1251765A1 publication Critical patent/EP1251765A1/fr
Application granted granted Critical
Publication of EP1251765B1 publication Critical patent/EP1251765B1/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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4075—Handles; levers
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/34—Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
    • 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
    • A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles
    • 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

Definitions

  • the present invention relates to a steering assembly, particularly but not exclusively useful for domestic and/or industrial cleaning machines.
  • the most common cases provide for machine bodies provided with four wheels, of which the two front ones are swiveling wheels and the two rear ones are large non-steering wheels; in other cases there are four castors or large non-steering wheels at the rear and a single smaller castor at the front.
  • the machine body is usually towed by the cleaning tools proper; for example, in vacuum cleaners or in steam cleaning machines said cleaning means are substantially constituted by a flexible suction hose which can be connected to different tools dedicated to various functions.
  • NL-A-6711520 discloses a steering assembly in a vacuum cleaner which has a combination of features as set forth in the precharacterizing portion of the appended claim 1.
  • the aim of the present invention is to provide a steering assembly which solves the drawbacks noted above in conventional commercially available cleaning machines, and particularly eliminates completely the problem of jamming due to direction changes even on surfaces which are particularly difficult in terms of friction, such as carpets, fitted carpets (including thick-pile carpeting), et cetera.
  • an important object of the present invention is to provide a steering assembly which does not limit in any circumstance the functions of the machine.
  • Another object of the present invention is to provide a steering assembly which can be applied flexibly and in an optimum manner to substantially any type of wheeled cleaning machine.
  • Another object of the present invention is to provide a steering assembly which can be perfectly integrated in the most disparate types of cleaning tools and can optionally be connected simply and rapidly to flexible elements for connection to such tools.
  • Another object of the present invention is to provide a steering assembly which can be manufactured with known technologies and equipment.
  • a steering assembly particularly for domestic and/or industrial or commercial cleaning machines is generally designated by the reference numeral 10 in a first embodiment.
  • the steering assembly 10 is applied to a vacuum cleaner 11 provided with a machine body 12 with non-steering rear wheels 13 and with a flexible hose 14 for connection to the cleaning tools, which are not shown and are of a per se known type.
  • the assembly 10 comprises, in this case, a longitudinally elongated tubular connector 15 which substantially forms an acute angle and to which two mutually opposite wheels 16 are pivoted.
  • the connector 15 has a first end 17 which can be connected to the flexible hose 14, while a second end 18 is rotatably connected to the machine body 12 so as to allow the steering action and connect the body to the tools.
  • sealing means which are adapted to ensure passage without loss, in this case of suction air, through the connector 15.
  • the second end 18 is vertical and the internal surface that lies proximate to the rim of the connector, designated by the reference numeral 19, is conical and tapers inward so as to form a rotating conical coupling for sealing against a complementarily shaped outlet surface 20 of a header duct 21 which is fixed within the machine body 12 and is arranged coaxially to the second end 18.
  • the connector 15 is also shaped so as to form an annular slot 22 adapted to accommodate, like a seat, a lip-type gasket 23 which faces the inside wall of a tubular coupling 24 being fixed to the machine body 12.
  • the first end 17, in this case, is instead shaped so as to have a wider cross-section than the rest proximate to the free end, so as to form a cup-shaped seat 25 for the coupling of the flexible hose 14.
  • the assembly 10 also comprises means for the reversible connection of the flexible hose 14 at the first end 17 which are substantially constituted by mutually opposite openings 26 for the insertion, with elastic flexing, of corresponding teeth 27 formed at the corresponding free end of the flexible hose 14.
  • the steering assembly is generally designated by the reference numeral 110 in a second embodiment.
  • the steering assembly 110 is applied to a steam cleaning machine 111 (also provided with a coupling for an iron 113) which has a machine body 112 and a flexible hose 114 for connection to cleaning tools.
  • a steam cleaning machine 111 also provided with a coupling for an iron 113 which has a machine body 112 and a flexible hose 114 for connection to cleaning tools.
  • the assembly 110 comprises a longitudinally elongated tubular connector 115 being shaped substantially so as to form an acute angle and to which two mutually opposite wheels 116 are pivoted.
  • the connector 115 has a first end 117 which can be connected to the flexible hose 114, while a second end 118 is rotatably connected to the machine body 112 so as to allow the steering action and connect the body to the tools.
  • sealing means which are adapted to ensure passage without loss, in this case of suction air, through the connector 115.
  • the second end 118 is vertical and its internal surface proximate to the rim, designated by the reference numeral 119, is conical and tapers inward so as to form a rotary conical coupling for sealing against a complementarily shaped outlet surface 120 of a header duct 121 which is fixed within the machine body 112 and is arranged coaxially to the second end 118.
  • the connector 115 in this case, is also shaped so as to form two annular slots 122a and 122b adapted to accommodate respective lip-type gaskets 123a and 123b which are mutually opposite and act against the internal wall of a tubular coupling 124 being fixed to the machine body 112.
  • the outlet 128 of a steam conveyance connector 129 is arranged between the gaskets 123a and 123b, and a connecting duct thereof 130 is integrated with the connector 115.
  • a hose 131 for the steam is also integrated with the flexible hose 114 and couples to a connector 132 with which the connecting duct 130 ends.
  • the connector by pivoting the wheels directly on the rotating part, substantially allows the hose or in any case the cleaning tools to rotate rigidly with said wheels, absolutely avoiding any jamming of the wheels.
  • the structure of the steering assembly according to the invention in no way has a negative effect on the performance and functions of the machine or on the simplicity of use of the machine for the user.
  • the present invention is susceptible of numerous modifications and variations; in particular, it is possible to provide another annular seal at said second end in rotary contact with the header.
  • the machine can be different from the above-described vacuum cleaner and can provide for steam cleaning combined with suction or not.
  • the materials and the dimensions may be any according to requirements.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Detergent Compositions (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Electric Suction Cleaners (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Cleaning In General (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Lubricants (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (9)

  1. Ensemble de direction (10 ; 110) particulièrement pour des machines de nettoyage domestiques et/ou industrielles (11 ; 111), comprenant un raccord de forme tubulaire (15 ; 115) auquel une ou plusieurs roues (16 ; 116) sont montées pivotantes, ledit raccord (15 ; 115) ayant une première extrémité (17 ; 117) qui peut être reliée aux outils de nettoyage et une seconde extrémité (18 ; 118) qui est accouplée de façon rotative à la sortie (20 ; 120) d'un conduit (21 ; 121) situé dans le corps de la machine (12 ; 112),
    caractérisé en ce que la surface interne de ladite seconde extrémité (18 ; 118) qui est proche du bord libre du raccord (15, 115) est conique et s'amincit intérieurement de façon à former un accouplement conique et rotatif pour faire étanchéité contre une surface de bord conformée de façon complémentaire (20 ; 120) dudit conduit (21 ; 121) qui est fixé à l'intérieur dudit corps de machine (12 ; 112).
  2. Ensemble de direction (10; 110) selon la revendication 1,
    caractérisé en ce que des moyens d'étanchéité (23 ; 123a, 123b), destinés à assurer le passage sans perte de fluide, sont présents entre ledit raccord tubulaire (15 ; 115) et ledit conduit.
  3. Ensemble de direction (10 ; 110) selon la revendication 1,
    caractérisé en ce que ledit raccord (15 ; 115) a une surface externe qui est conformée de façon à définir au moins un siège (22 ; 122a, 122b) pour des moyens d'étanchéité (23 ; 123a, 123b).
  4. Ensemble de direction (10) selon la revendication 1,
    caractérisé en ce que ledit raccord (15) est conformé au niveau de ladite seconde extrémité (18) de façon à définir un siège (22) pour un joint annulaire (23) qui est agencé à l'opposé dudit conduit collecteur (21).
  5. Ensemble de direction (10) selon une ou plusieurs des revendications précédentes,
    caractérisé en ce qu'il est conformé de façon à définir un siège annulaire (22) pour recevoir un joint d'étanchéité du type à lèvre (23) qui est agencé à l'opposé de la paroi interne d'un accouplement tubulaire (124) qui est fixé audit corps de machine (112).
  6. Ensemble de direction (110) selon une ou plusieurs des revendications 1 à 4,
    caractérisé en ce que ledit raccord (115) est conformé de façon à définir deux sièges (122a, 122b) pour des joints d'étanchéité du type à lèvre (123a, 1 23b) qui sont mutuellement opposés et agissent contre la paroi intérieure d'un accouplement tubulaire (124) qui est fixé au corps de machine, la sortie (128) d'un raccord d'acheminement de vapeur (129) étant agencée entre lesdits joints d'étanchéité (123a, 123b), un conduit de liaison (130) dudit raccord (115) étant intégré au raccord de direction (115).
  7. Ensemble de direction (10 ; 110) selon une ou plusieurs des revendications précédentes,
    caractérisé en ce que ladite première extrémité (17 ; 117) est conformée de façon à avoir une section transversale plus grande que le reste à proximité du bord libre du raccord (15, 115), de façon à définir un siège en forme de cuvette (25) pour l'accouplement d'un tuyau souple (14 ; 114) pour la liaison auxdits outils.
  8. Ensemble de direction (110) selon une ou plusieurs des revendications précédentes,
    caractérisé en ce qu'un tuyau de vapeur (131) est également intégré audit tuyau souple (114) et s'accouple à un raccord (132) avec lequel le conduit de liaison (130) du raccord de direction (115) se termine.
  9. Ensemble de direction (110) selon une ou plusieurs des revendications précédentes,
    caractérisé en ce qu'une liaison électrique est prévue par l'intermédiaire de câbles (133) associés au tuyau souple (114), et d'une fiche (134) et d'une prise (135) sur le corps de machine (112).
EP01921267A 2000-02-01 2001-01-30 Ensemble de direction destine particulierement aux machines de nettoyage domestiques et/ou industrielles Expired - Lifetime EP1251765B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT2000PD000031A IT1315385B1 (it) 2000-02-01 2000-02-01 Gruppo di sterzo particolarmente per macchine di pulizia in ambitodomestico e/o industriale.
ITPD000031 2000-02-01
PCT/EP2001/000969 WO2001056449A1 (fr) 2000-02-01 2001-01-30 Ensemble de direction destine particulierement aux machines de nettoyage domestiques et/ou industrielles

Publications (2)

Publication Number Publication Date
EP1251765A1 EP1251765A1 (fr) 2002-10-30
EP1251765B1 true EP1251765B1 (fr) 2005-10-19

Family

ID=11451801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01921267A Expired - Lifetime EP1251765B1 (fr) 2000-02-01 2001-01-30 Ensemble de direction destine particulierement aux machines de nettoyage domestiques et/ou industrielles

Country Status (10)

Country Link
US (1) US20020178532A1 (fr)
EP (1) EP1251765B1 (fr)
JP (1) JP2003521323A (fr)
AT (1) ATE306841T1 (fr)
AU (1) AU4830601A (fr)
DE (1) DE60114147T2 (fr)
ES (1) ES2249425T3 (fr)
IT (1) IT1315385B1 (fr)
RU (1) RU2002123377A (fr)
WO (1) WO2001056449A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101849795A (zh) * 2009-03-31 2010-10-06 戴森技术有限公司 清洁器具

Families Citing this family (25)

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Publication number Priority date Publication date Assignee Title
DE10131175B4 (de) * 2001-06-29 2008-06-19 BSH Bosch und Siemens Hausgeräte GmbH Staubsauger
SE520237C2 (sv) * 2001-10-25 2003-06-10 Electrolux Ab Fronthjulsarrangemang för en dammsugare
FR2833826B1 (fr) * 2001-12-24 2005-06-03 Denis Deleval Aspirateur a roue(s)arriere orientable(s)
GB2469051B (en) * 2009-03-31 2013-01-02 Dyson Technology Ltd A cleaning appliance with steering mechanism
GB2469049B (en) 2009-03-31 2013-04-17 Dyson Technology Ltd A cleaning appliance with steering mechanism
EP2413764B1 (fr) * 2009-03-31 2015-07-22 Dyson Technology Limited Dispositif de nettoyage
GB2469042B (en) * 2009-03-31 2012-07-25 Dyson Technology Ltd A cleaning appliance
GB2469044B (en) * 2009-03-31 2012-10-03 Dyson Technology Ltd A steering arrangement for a cleaning appliance
GB2469046B (en) 2009-03-31 2012-07-25 Dyson Technology Ltd Mounting arrangement for separating apparatus in a cleaning appliance
GB2469050B (en) * 2009-03-31 2013-01-02 Dyson Technology Ltd A cleaning appliance with steering member
GB2469045B (en) * 2009-03-31 2012-08-29 Dyson Technology Ltd Duct and chassis arrangement of a cleaning apparatus
US8082624B2 (en) * 2009-11-10 2011-12-27 Oreck Holdings Llc Rotatable coupling for steering vacuum cleaner
USD657100S1 (en) * 2010-05-28 2012-04-03 Vornado Air, Llc Handheld dual chamber steam cleaner
USD669234S1 (en) * 2010-05-28 2012-10-16 Vornado Air, Llc Canister steam cleaner
GB2484122A (en) 2010-09-30 2012-04-04 Dyson Technology Ltd A cylinder type cleaning appliance
GB2484121B (en) 2010-09-30 2014-10-22 Dyson Technology Ltd A vacuum cleaning appliance
GB2484120B (en) 2010-09-30 2014-10-01 Dyson Technology Ltd A cleaning appliance
GB2484124B (en) 2010-09-30 2014-12-03 Dyson Technology Ltd A cleaning appliance
GB2487397B (en) * 2011-01-20 2014-12-03 Dyson Technology Ltd A cylinder vacuum cleaner
GB2487398B (en) * 2011-01-20 2014-12-03 Dyson Technology Ltd A cylinder vacuum cleaner
GB2507074B (en) * 2012-10-17 2014-11-19 Dyson Technology Ltd Canister vacuum cleaner
GB2508901B (en) * 2012-12-14 2014-11-05 Dyson Technology Ltd Canister vacuum cleaner
GB2538640A (en) * 2013-11-01 2016-11-23 Techtronic Floor Care Tech Ltd Surface cleaning apparatus
EP3082545B1 (fr) 2014-05-23 2017-12-13 T.P.A. IMPEX S.p.A. Système de nettoyage à la vapeur pour nettoyer des surfaces domestiques et industrielles
USD812192S1 (en) 2015-11-13 2018-03-06 Luxembourg Patent Company S.A. Pressure reducers

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US2871504A (en) * 1953-12-10 1959-02-03 Singer Mfg Co Converters for vacuum cleaners
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GB1122619A (en) * 1965-06-16 1968-08-07 Electrolux Ltd Improved vacuum cleaner
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101849795A (zh) * 2009-03-31 2010-10-06 戴森技术有限公司 清洁器具
CN101849795B (zh) * 2009-03-31 2013-10-02 戴森技术有限公司 清洁器具

Also Published As

Publication number Publication date
ITPD20000031A1 (it) 2001-08-01
RU2002123377A (ru) 2004-01-20
EP1251765A1 (fr) 2002-10-30
DE60114147T2 (de) 2006-07-06
DE60114147D1 (de) 2006-03-02
ES2249425T3 (es) 2006-04-01
AU4830601A (en) 2001-08-14
US20020178532A1 (en) 2002-12-05
IT1315385B1 (it) 2003-02-10
JP2003521323A (ja) 2003-07-15
ATE306841T1 (de) 2005-11-15
WO2001056449A1 (fr) 2001-08-09

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