EP1251765A1 - Steering assembly particulary for domestic and/or industrial cleaning machines - Google Patents
Steering assembly particulary for domestic and/or industrial cleaning machinesInfo
- Publication number
- EP1251765A1 EP1251765A1 EP01921267A EP01921267A EP1251765A1 EP 1251765 A1 EP1251765 A1 EP 1251765A1 EP 01921267 A EP01921267 A EP 01921267A EP 01921267 A EP01921267 A EP 01921267A EP 1251765 A1 EP1251765 A1 EP 1251765A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connector
- steering assembly
- assembly according
- shaped
- machine body
- 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
Links
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. It is known that the above-cited solutions of wheels for moving the machine body all have the drawback of jamming, especially of the front wheels, when the user forces changes of direction, especially on high- friction surfaces such as carpets, fitted carpets or the like.
- 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 cleaning machines, characterized in that it comprises a shaped tubular connector to which one or more wheels are pivoted, said connector having a first end which can be connected to cleaning tools and a second end which is rotatably coupled coaxially to the outlet of a duct located in the machine body.
- FIG 1 is a perspective view of a steering assembly according to the invention in a first embodiment, applied to a cleaning machine of the vacuum-cleaner type;
- Figure 2 is a view of a detail of the steering assembly of Figure 1;
- Figure 3 is a sectional view of the steering assembly of Figure 1;
- Figure 4 is a sectional view of a second embodiment of a steering assembly according to the invention.
- Figure 5 is a perspective view of an iron that can be coupled to the machine shown in Figure 4.
- 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.
- 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 described in greater detail hereinafter, 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 123 a 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 constructive simplicity of the present invention ensures its application to any wheeled cleaning machine. It is also noted that 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, all of which are within the scope of the inventive concept; 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 technical details can be replaced with other technically equivalent elements.
- the materials and the dimensions may be any according to requirements.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITPD000031 | 2000-02-01 | ||
IT2000PD000031A IT1315385B1 (en) | 2000-02-01 | 2000-02-01 | STEERING GROUP PARTICULARLY FOR HOUSEHOLD AND / OR INDUSTRIAL CLEANING MACHINES. |
PCT/EP2001/000969 WO2001056449A1 (en) | 2000-02-01 | 2001-01-30 | Steering assembly particularly for domestic and/or industrial cleaning machines |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1251765A1 true EP1251765A1 (en) | 2002-10-30 |
EP1251765B1 EP1251765B1 (en) | 2005-10-19 |
Family
ID=11451801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01921267A Expired - Lifetime EP1251765B1 (en) | 2000-02-01 | 2001-01-30 | Steering assembly particulary for domestic and/or industrial cleaning machines |
Country Status (10)
Country | Link |
---|---|
US (1) | US20020178532A1 (en) |
EP (1) | EP1251765B1 (en) |
JP (1) | JP2003521323A (en) |
AT (1) | ATE306841T1 (en) |
AU (1) | AU4830601A (en) |
DE (1) | DE60114147T2 (en) |
ES (1) | ES2249425T3 (en) |
IT (1) | IT1315385B1 (en) |
RU (1) | RU2002123377A (en) |
WO (1) | WO2001056449A1 (en) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10131175B4 (en) * | 2001-06-29 | 2008-06-19 | BSH Bosch und Siemens Hausgeräte GmbH | vacuum cleaner |
SE520237C2 (en) * | 2001-10-25 | 2003-06-10 | Electrolux Ab | Front wheel arrangement for a vacuum cleaner |
FR2833826B1 (en) * | 2001-12-24 | 2005-06-03 | Denis Deleval | WHEEL VACUUM (S) ORIENTABLE (S) |
GB2469051B (en) * | 2009-03-31 | 2013-01-02 | Dyson Technology Ltd | A cleaning appliance with steering mechanism |
GB2469045B (en) * | 2009-03-31 | 2012-08-29 | Dyson Technology Ltd | Duct and chassis arrangement of a cleaning apparatus |
GB2469048B (en) | 2009-03-31 | 2013-05-15 | Dyson Technology Ltd | Cleaning appliance with steering mechanism |
GB2469046B (en) | 2009-03-31 | 2012-07-25 | Dyson Technology Ltd | Mounting arrangement for separating apparatus in a cleaning appliance |
GB2469044B (en) * | 2009-03-31 | 2012-10-03 | Dyson Technology Ltd | A steering arrangement for a cleaning appliance |
EP2413764B1 (en) | 2009-03-31 | 2015-07-22 | Dyson Technology Limited | A cleaning appliance |
GB2469049B (en) | 2009-03-31 | 2013-04-17 | Dyson Technology Ltd | A cleaning appliance with steering mechanism |
GB2469042B (en) * | 2009-03-31 | 2012-07-25 | Dyson Technology Ltd | A cleaning appliance |
GB2469050B (en) * | 2009-03-31 | 2013-01-02 | Dyson Technology Ltd | A cleaning appliance with steering member |
US8082624B2 (en) | 2009-11-10 | 2011-12-27 | Oreck Holdings Llc | Rotatable coupling for steering vacuum cleaner |
USD669234S1 (en) * | 2010-05-28 | 2012-10-16 | Vornado Air, Llc | Canister steam cleaner |
USD657100S1 (en) * | 2010-05-28 | 2012-04-03 | Vornado Air, Llc | Handheld dual chamber steam cleaner |
GB2484122A (en) | 2010-09-30 | 2012-04-04 | Dyson Technology Ltd | A cylinder type cleaning appliance |
GB2484120B (en) | 2010-09-30 | 2014-10-01 | Dyson Technology Ltd | A cleaning appliance |
GB2484121B (en) | 2010-09-30 | 2014-10-22 | Dyson Technology Ltd | A vacuum 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 |
GB2519968A (en) * | 2013-11-01 | 2015-05-13 | Techtronic Floor Care Tech Ltd | Surface cleaning Apparatus |
EP3082545B1 (en) * | 2014-05-23 | 2017-12-13 | T.P.A. IMPEX S.p.A. | Steam cleaner for cleaning domestic and industrial surfaces |
USD812192S1 (en) | 2015-11-13 | 2018-03-06 | Luxembourg Patent Company S.A. | Pressure reducers |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2899215A (en) * | 1959-08-11 | ardito | ||
US2871504A (en) * | 1953-12-10 | 1959-02-03 | Singer Mfg Co | Converters for vacuum cleaners |
NL294109A (en) * | 1962-06-15 | |||
GB1122619A (en) * | 1965-06-16 | 1968-08-07 | Electrolux Ltd | Improved vacuum cleaner |
NL6711520A (en) * | 1967-08-22 | 1969-02-25 | ||
NL7512905A (en) * | 1975-11-04 | 1977-05-06 | Wessel Hans | SEALING ELEMENT. |
DE2850422C2 (en) * | 1978-11-21 | 1983-08-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Coupling for a suction hose for connection to a vacuum cleaner |
ZA815555B (en) * | 1980-08-22 | 1982-08-25 | Myson Group Ltd | Radiators |
EP0567044B1 (en) * | 1992-04-23 | 1997-08-06 | T.P.A. IMPEX ITALIA S.r.l. | Multi-purpose appliance for household work |
US5870798A (en) * | 1996-05-03 | 1999-02-16 | The Hoover Company | Compact carpet and upholstery extractor |
DE29913775U1 (en) * | 1999-08-06 | 1999-12-30 | Vorwerk Co Interholding | Floor care device, in particular vacuum cleaner |
-
2000
- 2000-02-01 IT IT2000PD000031A patent/IT1315385B1/en active
-
2001
- 2001-01-30 AU AU48306/01A patent/AU4830601A/en not_active Abandoned
- 2001-01-30 RU RU2002123377/12A patent/RU2002123377A/en not_active Application Discontinuation
- 2001-01-30 US US10/150,000 patent/US20020178532A1/en not_active Abandoned
- 2001-01-30 AT AT01921267T patent/ATE306841T1/en not_active IP Right Cessation
- 2001-01-30 WO PCT/EP2001/000969 patent/WO2001056449A1/en active IP Right Grant
- 2001-01-30 ES ES01921267T patent/ES2249425T3/en not_active Expired - Lifetime
- 2001-01-30 JP JP2001556150A patent/JP2003521323A/en active Pending
- 2001-01-30 DE DE60114147T patent/DE60114147T2/en not_active Expired - Fee Related
- 2001-01-30 EP EP01921267A patent/EP1251765B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0156449A1 * |
Also Published As
Publication number | Publication date |
---|---|
ITPD20000031A1 (en) | 2001-08-01 |
RU2002123377A (en) | 2004-01-20 |
EP1251765B1 (en) | 2005-10-19 |
DE60114147T2 (en) | 2006-07-06 |
WO2001056449A1 (en) | 2001-08-09 |
DE60114147D1 (en) | 2006-03-02 |
ATE306841T1 (en) | 2005-11-15 |
ES2249425T3 (en) | 2006-04-01 |
IT1315385B1 (en) | 2003-02-10 |
JP2003521323A (en) | 2003-07-15 |
US20020178532A1 (en) | 2002-12-05 |
AU4830601A (en) | 2001-08-14 |
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