WO2004054421A1 - Staubsauger mit elastischer stossleiste - Google Patents
Staubsauger mit elastischer stossleiste Download PDFInfo
- Publication number
- WO2004054421A1 WO2004054421A1 PCT/EP2003/013316 EP0313316W WO2004054421A1 WO 2004054421 A1 WO2004054421 A1 WO 2004054421A1 EP 0313316 W EP0313316 W EP 0313316W WO 2004054421 A1 WO2004054421 A1 WO 2004054421A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- vacuum cleaner
- protection strip
- strip
- holding element
- Prior art date
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
- 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
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
- A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
Definitions
- the invention relates to a vacuum cleaner according to the preamble of claim 1.
- a floor vacuum cleaner with a vacuum cleaner housing which has an elastic shock protection band running around the outside.
- the shock protection tape consists of a strip that is attached to the vacuum cleaner housing. With one long side, the bar protrudes outwards from the vacuum cleaner housing. There is an increasing distance between the attachment point of the bar and its free long side between it and the vacuum cleaner housing.
- the impact protection strip can be made of a very strong material, since the elasticity required to absorb impacts is achieved by the geometrical arrangement of the strip on the vacuum cleaner housing.
- the elasticity and the spring deflection of the bar can be influenced by the choice of the material for the bar, by appropriate dimensioning of its wall thickness, as well as the position of the connection and the angle at which the bar protrudes from the lower housing half.
- a disadvantage of this shock protection strip is the fact that, depending on the desired elasticity, a different geometric shape or arrangement of the shock protection strip is required. With regard to the overall appearance of the vacuum cleaner, however, it is disadvantageous if the overall appearance of the vacuum cleaner is changed by defining the necessary elasticity of the impact protection strip.
- shock protection strips according to the prior art Another disadvantage of the shock protection strips according to the prior art is that the protruding free long side of the shock protection strip gives a sharp edge which, for example, causes scratches on furniture when it bumps against it.
- the object of the invention is to provide a vacuum cleaner with a housing and a bumper strip, in which the disadvantages mentioned above are eliminated.
- a shock protection strip is to be created, the elasticity of which can be determined without significantly influencing the external appearance of the vacuum cleaner.
- the object of the invention is achieved in a generic vacuum cleaner in that the housing has a holding element by means of which the second longitudinal side of the shock protection strip is held against the housing under an elastic pretension.
- the holding element makes it possible to hold the longitudinal side protruding from the outer surface of the housing in a tension-free state under an elastic pretension against the housing.
- the shock protection strip is given softer or harder spring properties.
- the vacuum cleaner can be operated in a way that is gentle on the furniture.
- the elastic shock protection strip can be held on the first housing part and the second housing part can have the holding element.
- the shock protection strip and the holding element are formed on different housing parts, the shock protection strip can be held by the holding element as soon as the two housing parts of the vacuum cleaner are mounted.
- the assembly of the vacuum cleaner is thereby simplified, since both the assembly of the vacuum cleaner housing and the assembly of the impact protection strip on the holding element can take place in one assembly step.
- the elastic impact protection strip is formed on a lower part of the vacuum cleaner and the holding element on an upper part of the vacuum cleaner.
- the housing or the first housing part is preferably made of plastic and the elastic impact protection strip is molded onto it. This reduces the number of parts. This has the advantage that the logistics of the assembly parts and the Assembly of the vacuum cleaner is simplified because the bumper bar does not appear as a separate component.
- the arrangement of the impact protection strip on a lower part of the vacuum cleaner and the arrangement of the holding element on an upper part of the vacuum cleaner is particularly useful when the lower part and upper part are made of different plastics.
- the lower part of the vacuum cleaner is made, for example, from a partially crystalline plastic such as polypropylene (PP), it is particularly useful to form the impact protection strip on this part, since such plastics are very tough and have a high degree of elasticity.
- PP polypropylene
- the appearance of the vacuum cleaner is usually essentially determined by the upper part.
- Such design parts are often said to have a high gloss and are therefore made from an amorphous plastic such as acetyl butadiene styrene (ABS) or polycarbonate (PC).
- ABS acetyl butadiene styrene
- PC polycarbonate
- Such plastics are very brittle and have little elasticity.
- ABS acetyl butadiene styrene
- PC polycarbonate
- it is advantageous to use the high elasticity of the lower part in order to obtain an impact protection strip of high elasticity molded onto it.
- the shock protection strip has a cross section which, at least at one weakening point, has a width that is reduced compared to the rest of the width.
- a weakening point is preferably provided at a point which is at least in the vicinity of the transition from the housing part to the impact protection strip.
- This alternative creates the possibility of giving the shock protection strip a high degree of elasticity, even if the housing part on which the shock protection strip is molded has only a low degree of elasticity.
- the required elasticity of the impact protection strip is then essentially achieved by appropriately dimensioning the weakening point.
- the weakening point forms a film hinge by means of which the impact protection strip is movably formed on the housing part.
- the elasticity of the Such a weakening point can be used to determine the impact protection strip largely independently of the material of the housing part.
- the shock protection strip is convexly curved outwards in its elastically prestressed position. Due to the convex curvature, improved scratch protection is created, since when the vacuum cleaner hits furniture, for example, the bumper strip abuts the piece of furniture and there is no sharp edge that could cause scratches in the furniture. Another advantage of the curvature is that, as the impact forces increase, the curvature is flattened at the abutment point, resulting in a larger abutment area on the impact protection strip. The forces that arise when the vacuum cleaner is violently bumped against the respective furniture can be distributed over a large abutment area. This additional measure prevents scratches from occurring.
- the convex shape of the bumper light can be obtained by elastically pretensioning a flat bumper strip so that it bends like a gutter.
- the impact protection strip can already be shaped like a groove or with a circular cross-section.
- the impact protection strip can have at least one gap-like interruption, as a result of which the impact protection strip is divided into a number of several sections.
- the elasticity of the bumper bar is improved by dividing a peripheral bumper bar into a number of several sections.
- the bumper bar runs around a corner on the circumference of the vacuum cleaner housing, it can be useful to divide the bumper bar into a number of several sections at this point. This prevents the elastic properties from being impaired in the area of the corner due to the strongly curved course of the impact protection strip.
- the holding element is designed as a holding strip which projects from the surface of the housing or the second housing part and is suitable in the direction of the impact protection strip. If the holding element is designed as a holding strip, the impact protection strip can be snapped behind the holding strip protruding from the surface of the housing in a simple manner. Consequently this results in an inexpensive fastening of the holding element to the housing or to the second housing part and the assembly of the shock protection strip in its elastically prestressed position is easier.
- the holding element is preferably made of plastic and molded onto the housing or onto the second housing part. Analogously to the molded-on design of the impact protection strip on the first housing part, the holding element or the holding strip can be molded on the second housing part. In this way, a simple and inexpensive fastening of the holding element or the holding strip to the housing or the second housing part is achieved. Separate fastening means for the holding element can thus be dispensed with.
- the holding element is preferably designed in such a way that it delimits a receiving space with the housing or the second housing part, in which the second longitudinal side of the impact protection strip is held.
- This receiving space is preferably notch-shaped and is delimited by an inner wall of the holding element and an outer wall of the housing or the second housing part. Due to the notch-shaped design of the receiving space, an improved fixation of the free long side of the impact protection strip is achieved.
- the second longitudinal side of the impact protection strip is preferably held in the receiving space under an elastic pretension in a position in which the end of the second longitudinal side is at a distance from the notch base of the receiving space. If the impact protection strip is convexly curved outwards, it allows additional deformation in the event of an impact. Due to the distance of the second long side from the notch base, the convexly curved bumper strip inside the receiving space has enough space to deform. The shock protection strip can still deform, even if the second long side of the shock protection strip already lies against the surface of the housing. The further deformation is made possible by the fact that the second longitudinal side can be pushed further into the receiving space in the direction of the notch base with increasing impact forces. As a result of this design, the impact protection strip is reliably held in its elastically prestressed position by the holding element and nevertheless has very high elasticity.
- the invention is explained in more detail below using an exemplary embodiment.
- Figure 1 A vacuum cleaner with a bumper strip according to the invention
- Figure 2 shows a cross section through the impact protection strip along the section line l-l in
- FIG. 3 shows a longitudinal section through the impact protection strip along the section line II-II in FIG. 2.
- a vacuum cleaner 1 is shown in perspective in FIG.
- the vacuum cleaner 1 has a housing 2 which is formed from a first housing part 3 and a second housing part 4.
- the first housing part 3 is a lower shell and the second housing part 4 is an upper shell.
- a cover 5 is pivotally mounted on the upper shell (housing part 4).
- the cover 5 closes a dust chamber arranged in the housing 2, in which a dust separator (not shown) is accommodated.
- a blower unit, not shown, is accommodated below the upper shell (housing part 4).
- a front end of the vacuum cleaner 1 has a first handle 6a.
- the handle 6a is curved in an arc and connected to the first housing part 3 at both ends.
- a second handle 6b is fastened in the region of the rear end of the vacuum cleaner 1 on the outer surface of the upper shell (housing part 4).
- the first housing part 3 and the second housing part 4 have a shell-shaped design and are joined to one another along a dividing line.
- An impact protection strip 7 runs along the dividing line around the circumference of the housing 2.
- the bumper bar 7 runs along an arcuate curve, the highest point of which is located approximately in the middle between the front and rear ends of the vacuum cleaner 1.
- the impact protection strip 7 runs in a deep plane near the bottom surface of the lower shell (housing part 3).
- FIG. 2 shows a section of the cross section through the impact protection strip along the section line II from FIG. 1.
- the section from the housing 2 is shown in the region of the dividing line where the lower first housing part 3 and the upper second housing part 4 meet.
- the impact protection strip 7 has a first long side 8.
- the first longitudinal side 8 of the bumper bar 7 is molded onto the first housing part 3.
- the impact protection strip 7 In its de-energized state, the impact protection strip 7 is already preformed in a slightly channel-like manner.
- a weakening point 9 is attached in the vicinity of the first longitudinal side 8.
- the weakening point 9 is formed by thinning the width of the impact protection strip 7.
- the weakening point 9 forms a film hinge by means of which the impact protection strip 7 can be pivoted relative to the first housing part 3.
- the bumper bar 7 can be made of a very soft and elastic material.
- the shock protection strip 7 can be flat in the de-energized state.
- the convexly curved shape of the bumper bar 7 only arises when a second longitudinal side 10 of the bumper bar 7 is held in an elastically prestressed position 12 by a holding element 11.
- the holding element 11 is integrally formed on the second housing part 4 with its fixed end. It protrudes outwards from the outer surface of the second housing part 4. In the embodiment shown, the holding element 11 projects downwards in a roof gable shape in a diagonal direction. A notch-shaped receiving space 13 is delimited between the outer wall of the second housing part 4 and the inner wall of the holding element 11. In the elastically prestressed position 12 of the bumper bar 7, the second long side 10 of the bumper bar 7 is located within the receiving space 13. Due to the elastic prestressing, the end region of the bumper bar 7 lies close to the second long side 10 on the inner wall of the holding element 11.
- the shock protection strip 7 and the holding element 11 are dimensioned and their mutual position is positioned such that a distance A is maintained between the notch bottom of the receiving space 13 and the second longitudinal side 10 of the shock protection strip 7. at Such a design of the elastic shock protection strip 7 and the holding element 11, the second longitudinal side 10 of the shock protection strip 7 can push in the direction of the elastically prestressed position 12 in the direction of the notch bottom of the receiving space 13 when the impact forces increase.
- the second housing part 4 is designed as a fixed hood of the blower chamber of the vacuum cleaner 1.
- the second housing part 4 can also form the cover 5. If the second housing part 4 forms the cover 5, the holding element 11 is designed in such a way that the second longitudinal side 10 of the shock protection strip 7 is encompassed by the inner wall of the holding element 11 even when the shock protection strip 7 is in a de-energized state. By closing the cover 5, the impact protection strip 7 is then bent into its elastically prestressed position 12.
- FIG. 3 shows a longitudinal section through the impact protection strip along the section line II-II in FIG. 2.
- the impact protection strip 7 is divided into a number of several sections.
- FIG. 3 shows a first section 7a and a second section 7b of the impact protection strip 7.
- the sections 7a and 7b are separated by a gap-shaped interruption 15.
- Both sections 7a and 7b are molded onto the first housing part 3.
- a plurality of gap-shaped interruptions 15 can be provided distributed over the circumference of the vacuum cleaner 1.
- Such gap-shaped interruptions 15, as shown in FIG. 3, are arranged in particular in an area in which the impact protection strip 7 runs around the circumference of the vacuum cleaner 1 with a relatively small radius of curvature.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Suction Cleaners (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03780065A EP1575407B1 (de) | 2002-12-17 | 2003-11-26 | Staubsauger mit elastischer stossleiste |
AU2003288179A AU2003288179A1 (en) | 2002-12-17 | 2003-11-26 | Vacuum cleaner comprising an elastic bumper strip |
US10/539,023 US20060137131A1 (en) | 2002-12-17 | 2003-11-26 | Vacuum cleaner comprising an elastic bumper strip |
DE50304522T DE50304522D1 (de) | 2002-12-17 | 2003-11-26 | Staubsauger mit elastischer stossleiste |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10259064.8 | 2002-12-17 | ||
DE10259064A DE10259064B4 (de) | 2002-12-17 | 2002-12-17 | Staubsauger mit elastischer Stoßleiste |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004054421A1 true WO2004054421A1 (de) | 2004-07-01 |
Family
ID=32403883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/013316 WO2004054421A1 (de) | 2002-12-17 | 2003-11-26 | Staubsauger mit elastischer stossleiste |
Country Status (8)
Country | Link |
---|---|
US (1) | US20060137131A1 (de) |
EP (1) | EP1575407B1 (de) |
CN (1) | CN100453020C (de) |
AT (1) | ATE334620T1 (de) |
AU (1) | AU2003288179A1 (de) |
DE (2) | DE10259064B4 (de) |
ES (1) | ES2270137T3 (de) |
WO (1) | WO2004054421A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202009006522U1 (de) | 2008-05-05 | 2009-07-16 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät, insbesondere Bodenstaubsauger |
CN104873150A (zh) * | 2015-06-17 | 2015-09-02 | 高金建 | 一种手推式洗地机 |
DE102020114926A1 (de) | 2020-06-05 | 2021-12-09 | Miele & Cie. Kg | Staubsauger und Verfahren zur Herstellung einer Stoßschutzleiste mit einer stoßabsorbierenden Schicht für einen Staubsauger |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2273883A (en) * | 1939-03-17 | 1942-02-24 | Electrolux Corp | Vacuum cleaner |
DE3330201A1 (de) * | 1983-08-20 | 1985-02-28 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Bodenstaubsauger |
DE8708238U1 (de) * | 1987-06-11 | 1987-07-30 | Miele & Cie Gmbh & Co, 4830 Guetersloh, De | |
EP0700656A1 (de) * | 1994-09-10 | 1996-03-13 | Stein & Co. GmbH | Stossschutz für ein Fussboden-Pflegegerät |
US5659919A (en) * | 1994-08-30 | 1997-08-26 | Sharp Kabushiki Kaisha | Upright vacuum cleaner |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3731465A (en) * | 1970-01-19 | 1973-05-08 | Hitachi Ltd | Electric vacuum cleaner |
US3869265A (en) * | 1972-07-10 | 1975-03-04 | Sunbeam Corp | Canister type vacuum cleaner |
US4527302A (en) * | 1983-11-21 | 1985-07-09 | The Hoover Company | Canister cleaner |
DE8711960U1 (de) * | 1987-09-03 | 1989-01-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
US4993105A (en) * | 1989-10-26 | 1991-02-19 | The Hoover Company | Furniture guard with exhaust slots |
US5108801A (en) * | 1990-01-18 | 1992-04-28 | The Standard Products Company | Truck cap edge trim strip |
US5687450A (en) * | 1994-09-10 | 1997-11-18 | Stein & Co. Gmbh | Machine, such as a vacuum cleaner, which exhausts a clean gas, which machine has a protective bumper |
US5836134A (en) * | 1995-02-21 | 1998-11-17 | Boston Metal Products Corp. | Protective bumper railing |
-
2002
- 2002-12-17 DE DE10259064A patent/DE10259064B4/de not_active Expired - Fee Related
-
2003
- 2003-11-26 AU AU2003288179A patent/AU2003288179A1/en not_active Abandoned
- 2003-11-26 US US10/539,023 patent/US20060137131A1/en not_active Abandoned
- 2003-11-26 AT AT03780065T patent/ATE334620T1/de not_active IP Right Cessation
- 2003-11-26 EP EP03780065A patent/EP1575407B1/de not_active Expired - Lifetime
- 2003-11-26 WO PCT/EP2003/013316 patent/WO2004054421A1/de not_active Application Discontinuation
- 2003-11-26 DE DE50304522T patent/DE50304522D1/de not_active Expired - Lifetime
- 2003-11-26 ES ES03780065T patent/ES2270137T3/es not_active Expired - Lifetime
- 2003-11-26 CN CNB2003801063915A patent/CN100453020C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2273883A (en) * | 1939-03-17 | 1942-02-24 | Electrolux Corp | Vacuum cleaner |
DE3330201A1 (de) * | 1983-08-20 | 1985-02-28 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Bodenstaubsauger |
DE8708238U1 (de) * | 1987-06-11 | 1987-07-30 | Miele & Cie Gmbh & Co, 4830 Guetersloh, De | |
US5659919A (en) * | 1994-08-30 | 1997-08-26 | Sharp Kabushiki Kaisha | Upright vacuum cleaner |
EP0700656A1 (de) * | 1994-09-10 | 1996-03-13 | Stein & Co. GmbH | Stossschutz für ein Fussboden-Pflegegerät |
Also Published As
Publication number | Publication date |
---|---|
DE10259064B4 (de) | 2004-11-25 |
CN100453020C (zh) | 2009-01-21 |
EP1575407B1 (de) | 2006-08-02 |
DE50304522D1 (de) | 2006-09-14 |
DE10259064A1 (de) | 2004-07-01 |
EP1575407A1 (de) | 2005-09-21 |
AU2003288179A1 (en) | 2004-07-09 |
ES2270137T3 (es) | 2007-04-01 |
ATE334620T1 (de) | 2006-08-15 |
US20060137131A1 (en) | 2006-06-29 |
CN1738569A (zh) | 2006-02-22 |
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