EP0347302B1 - Fibre pad attaching device and surface-cleaning machine provided with said device - Google Patents
Fibre pad attaching device and surface-cleaning machine provided with said device Download PDFInfo
- Publication number
- EP0347302B1 EP0347302B1 EP89401629A EP89401629A EP0347302B1 EP 0347302 B1 EP0347302 B1 EP 0347302B1 EP 89401629 A EP89401629 A EP 89401629A EP 89401629 A EP89401629 A EP 89401629A EP 0347302 B1 EP0347302 B1 EP 0347302B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hooks
- support
- sets
- fibrous material
- pair
- 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
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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
- A47L11/4036—Parts or details of the surface treating tools
- A47L11/4038—Disk shaped surface treating tools
-
- 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
- A47L11/02—Floor surfacing or polishing machines
- A47L11/10—Floor surfacing or polishing machines motor-driven
- A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
- A47L11/16—Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes
- A47L11/164—Parts or details of the brushing tools
Definitions
- the present invention relates to a device for fixing a pad of fibrous material, as well as a surface cleaning machine equipped with said device.
- the invention applies to the fixing, in a surface cleaning machine, of an alternative support or of a rotary cleaning disc made of fibrous material.
- a large number of plastic pins have been used for this purpose, distributed over a support of shape corresponding to that of the cleaning disc at variable inclinations with respect to said support, as described in US Pat. 739.
- This solution is not entirely satisfactory. Indeed, on the one hand, it is not easy to make the pins penetrate into the fibrous material because of their too great flexibility and, on the other hand, once they have penetrated into the fibrous material, they do not provide an absolutely effective fixing of the cleaning disc, and the latter, in operation, that is to say rotating at high speed, may escape from the support. Furthermore, the progressive clogging of the disc, after a more or less prolonged use, generally makes it even more difficult for the spikes to penetrate the fibrous material, during the inversion of said disc in order to use the clean side thereof.
- the object of the present invention is to avoid these drawbacks, and relates to a device for fixing a pad of fibrous material, by means of which the latter, whether it belongs to a cleaning utensil or whether it constitutes a rotating disc. a surface cleaning machine can be easily and securely attached to a support even in the event of clogging of said pad.
- the device for fixing a pad of fibrous material is remarkable, according to the invention, in that it comprises a plurality of sets of metal hooks, each set comprising a plurality of pairs of said hooks, said hooks being fixed to a support, the hooks of each pair being opposite one another.
- said assemblies are rectilinear.
- either the hooks of each pair are opposite one another, or the hooks of a set are staggered.
- the hooks can be partially embedded in a layer of resin provided on said support.
- each set of hooks is produced from a helical spring cut longitudinally.
- each set of hooks is produced from a spring of triangular cross section cut longitudinally.
- each pair of hooks has a general shape of V, the ends of the branches of which are curved inwards.
- each set of hooks is constituted by a plurality of pairs of hooks connected by a rod secured to the bottom of the V.
- the device for fixing a surface cleaning disc made of fibrous material, the device comprises a support of discoid shape corresponding to that of said cleaning disc, on which support are provided sets of hooks for attaching said disc. cleaning said support.
- said sets of hooks are radial.
- Figures 1 and 2 illustrate a first embodiment of the hooks of the fixing device according to the invention.
- Figures 3 and 4 illustrate a second embodiment of the hooks of the fixing device according to the invention.
- Figures 5 and 6 illustrate a third embodiment of the hooks of the fixing device according to the invention.
- FIG. 7 illustrates an example of arrangement of rectilinear sets of pairs of hooks according to the invention.
- Figure 8 is a schematic perspective view of a machine for surface cleaning which can be equipped with the fixing device according to the invention.
- Figure 9 is a partial top view of a support disc having radial sets of pairs of hooks according to the invention.
- Figure 10 is a cross-sectional view of the disc of Figure 9.
- FIG. 1 The figures of the appended drawing illustrate different embodiments of the device for fixing a pad of fibrous material according to the invention ( Figures 1 to 7), as well as the use of such a device in a surface cleaning machine ( Figures 8 to 10).
- the fixing device of the invention comprises sets 1, in particular rectilinear, of pairs 2 of metal hooks 3 fixed on a support 4, the hooks 3 of each pair 2 being opposite one another.
- the hooks 3 can be fixed to the support 4 by means of a resin layer 5 provided on the latter.
- FIG. 7 illustrates a possible arrangement of a number of straight sets 1 of pairs of hooks 3.
- the hooks 3 of a set 1 can be staggered (FIGS. 2 and 4). Each set 1 of hooks 3 can then be obtained from a helical spring cut longitudinally ( Figures 1 and 2), or from a spring of triangular cross section cut longitudinally ( Figures 3 and 4).
- the cut part L1 of the spring can correspond, for example, to 2/8 of the "diameter" of the latter, the part L3 embedded in the resin layer 5 and the part L2 projecting therefrom, each corresponding to 3/8 of said diameter.
- the vertices of two opposite hooks can form projections of different heights; moreover, the cut part L1 of the spring can be cut along an inclined plane relative to the free surface of the layer 5.
- half of the "height" of the spring can be embedded in the resin layer 5, the other half protruding from this last.
- each pair 2 of hooks 3 facing one another has a general shape of V whose ends 7 of the branches are curved inward.
- each set 1 of hooks 3 is constituted by a plurality of pairs 2 of hooks 3 connected by a rod 8 secured to the bottom 9 of the V.
- the machine 10 for surface cleaning shown in FIG. 8, comprises a chassis 11 on which is mounted a motor 12. Two wheels 13 are arranged on either side of the chassis 11 at one end of the latter. Furthermore, a handle 14, equipped with a handle 15 and operating members 16, is connected to the chassis 11, on the side thereof where the wheels 13 are arranged.
- the motor 12 is intended to drive a rotary tool 17, possibly wrapped by a protective cover (not shown).
- the tool 17 comprises a disc-shaped support 18 to which is fixed a disc 19 for cleaning the surface of fibrous material, of corresponding shape.
- the cleaning disc 19 is fixed to the support 18 by sets 1 of hooks 3, advantageously radial, partially embedded in the support 18 (FIGS. 9 and 10).
- the hooks 3 have been shown in accordance with the first embodiment shown in Figures 1 and 2. However, it is understood that other forms of hooks, such as those shown in the Figures 3,4 and 5,6, could be used in this application.
Landscapes
- Treatment Of Fiber Materials (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Fixing For Electrophotography (AREA)
Abstract
Description
La présente invention concerne un dispositif de fixation d'un tampon de matière fibreuse, ainsi qu'une machine de nettoyage de surface équipée dudit dispositif.The present invention relates to a device for fixing a pad of fibrous material, as well as a surface cleaning machine equipped with said device.
Plus particulièrement, quoique non exclusivement, l'invention s'applique à la fixation, dans une machine de nettoyage de surface, d'un support alternatif ou d'un disque rotatif de nettoyage en matière fibreuse. Jusqu'à présent, on utilise pour ce faire un grand nombre de picots de matière synthétique répartis sur un support de forme correspondant à celle du disque de nettoyage selon des inclinaisons variables par rapport audit support, tel que décrit dans US-A-3 703 739. Cette solution n'est pas entièrement satisfaisante. En effet, d'une part, il n'est pas facile de faire pénétrer les picots dans la matière fibreuse du fait de leur trop grande souplesse et, d'autre part, une fois que ceux-ci ont pénétré dans la matière fibreuse, ils n'assurent pas une fixation absolument efficace du disque de nettoyage, et ce dernier, en fonctionnement, c'est-à-dire tournant à grande vitesse, risque de s'échapper du support. Par ailleurs, le colmatage progressif du disque, après une utilisation plus ou moins prolongée, rend généralement encore plus difficile la pénétration des picots dans la matière fibreuse, lors du retournement dudit disque en vue d'en utiliser la face propre.More particularly, although not exclusively, the invention applies to the fixing, in a surface cleaning machine, of an alternative support or of a rotary cleaning disc made of fibrous material. Up to now, a large number of plastic pins have been used for this purpose, distributed over a support of shape corresponding to that of the cleaning disc at variable inclinations with respect to said support, as described in US Pat. 739. This solution is not entirely satisfactory. Indeed, on the one hand, it is not easy to make the pins penetrate into the fibrous material because of their too great flexibility and, on the other hand, once they have penetrated into the fibrous material, they do not provide an absolutely effective fixing of the cleaning disc, and the latter, in operation, that is to say rotating at high speed, may escape from the support. Furthermore, the progressive clogging of the disc, after a more or less prolonged use, generally makes it even more difficult for the spikes to penetrate the fibrous material, during the inversion of said disc in order to use the clean side thereof.
La présente invention a pour but d'éviter ces inconvénients, et concerne un dispositif de fixation d'un tampon de matière fibreuse, grâce auquel ce dernier, qu'il appartienne à un ustensile de nettoyage ou qu'il constitue un disque rotatif d'une machine de nettoyage de surface, peut être facilement et solidement fixé à un support même en cas de colmatage dudit tampon.The object of the present invention is to avoid these drawbacks, and relates to a device for fixing a pad of fibrous material, by means of which the latter, whether it belongs to a cleaning utensil or whether it constitutes a rotating disc. a surface cleaning machine can be easily and securely attached to a support even in the event of clogging of said pad.
A cet effet, le dispositif de fixation d'un tampon de matière fibreuse est remarquable, selon l'invention, en ce qu'il comprend une pluralité d'ensembles de crochets métalliques, chaque ensemble comprenant une pluralité de paires desdits crochets, les dits crochets étant fixés à un support, les crochets de chaque paire étant opposés l'un à l'autre.To this end, the device for fixing a pad of fibrous material is remarkable, according to the invention, in that that it comprises a plurality of sets of metal hooks, each set comprising a plurality of pairs of said hooks, said hooks being fixed to a support, the hooks of each pair being opposite one another.
Cet agencement particulier des crochets, qui peuvent facilement pénétrer dans la matière fibreuse, garantit une meilleure fixation du tampon, même quand des efforts importants y sont appliqués, comme c'est le cas dans une machine de nettoyage de surface à disque rotatif.This particular arrangement of the hooks, which can easily penetrate into the fibrous material, guarantees a better fixing of the tampon, even when great forces are applied to it, as is the case in a surface cleaning machine with a rotating disc.
Avantageusement, lesdits ensembles sont rectilignes.Advantageously, said assemblies are rectilinear.
Selon d'autres caractéristiques de l'invention, soit les crochets de chaque paire sont en regard l'un de l'autre, soit les crochets d'un ensemble sont décalés en quinconce.According to other features of the invention, either the hooks of each pair are opposite one another, or the hooks of a set are staggered.
En particulier, les crochets peuvent être en partie noyés dans une couche de résine prévue sur ledit support.In particular, the hooks can be partially embedded in a layer of resin provided on said support.
Selon une autre caractéristique de l'invention, chaque ensemble de crochets est réalisé à partir d'un ressort hélicoïdal coupé longitudinalement.According to another characteristic of the invention, each set of hooks is produced from a helical spring cut longitudinally.
Selon encore une autre caractéristique de l'invention, chaque ensemble de crochets est réalisé à partir d'un ressort de section transversale triangulaire découpé longitudinalement.According to yet another characteristic of the invention, each set of hooks is produced from a spring of triangular cross section cut longitudinally.
Selon une autre caractéristique de l'invention, chaque paire de crochets présente une forme générale de V dont les extrémités des branches sont recourbées vers l'intérieur.According to another characteristic of the invention, each pair of hooks has a general shape of V, the ends of the branches of which are curved inwards.
Avantageusement, dans ce dernier cas, chaque ensemble de crochets est constitué par une pluralité de paires de crochets reliées par une baguette solidaire du fond des V.Advantageously, in the latter case, each set of hooks is constituted by a plurality of pairs of hooks connected by a rod secured to the bottom of the V.
En particulier, pour la fixation d'un disque de nettoyage de surface en matière fibreuse, le dispositif comprend un support de forme discoïde correspondant à celle dudit disque de nettoyage, sur lequel support sont prévus des ensembles de crochets pour l'accrochage dudit disque de nettoyage audit support. Avantageusement, lesdits ensembles de crochets sont radiaux.In particular, for fixing a surface cleaning disc made of fibrous material, the device comprises a support of discoid shape corresponding to that of said cleaning disc, on which support are provided sets of hooks for attaching said disc. cleaning said support. Advantageously, said sets of hooks are radial.
Les figures du dessin annexé feront bien comprendre comment l'invention peut être réalisée. Sur ces figures, des références identiques désignent des éléments semblables.The figures of the appended drawing will make it clear how the invention can be implemented. In these figures, identical references designate similar elements.
Les figures 1 et 2 illustrent un premier exemple de réalisation des crochets du dispositif de fixation selon l'invention.Figures 1 and 2 illustrate a first embodiment of the hooks of the fixing device according to the invention.
Les figures 3 et 4 illustrent un deuxième exemple de réalisation des crochets du dispositif de fixation selon l'invention.Figures 3 and 4 illustrate a second embodiment of the hooks of the fixing device according to the invention.
Les figures 5 et 6 illustrent un troisième exemple de réalisation des crochets du dispositif de fixation selon l'invention.Figures 5 and 6 illustrate a third embodiment of the hooks of the fixing device according to the invention.
La figure 7 illustre un exemple d'agencement d'ensembles rectilignes de paires de crochets selon l'invention.FIG. 7 illustrates an example of arrangement of rectilinear sets of pairs of hooks according to the invention.
La figure 8 est une vue schématique en perspective d'une machine pour le nettoyage de surface qui peut être équipée du dispositif de fixation selon l'invention.Figure 8 is a schematic perspective view of a machine for surface cleaning which can be equipped with the fixing device according to the invention.
La figure 9 est une vue de dessus partielle d'un disque de support comportant des ensembles radiaux de paires de crochets selon l'invention.Figure 9 is a partial top view of a support disc having radial sets of pairs of hooks according to the invention.
La figure 10 est une vue en coupe transversale du disque de la figure 9.Figure 10 is a cross-sectional view of the disc of Figure 9.
Les figures du dessin annexé illustrent différentes formes de réalisation du dispositif de fixation d'un tampon de matière fibreuse selon l'invention (figures 1 à 7), ainsi que l'utilisation d'un tel dispositif dans une machine de nettoyage de surface (figures 8 à 10).The figures of the appended drawing illustrate different embodiments of the device for fixing a pad of fibrous material according to the invention (Figures 1 to 7), as well as the use of such a device in a surface cleaning machine ( Figures 8 to 10).
De façon générale, le dispositif de fixation de l'invention comprend des ensembles 1, notamment rectilignes, de paires 2 de crochets métalliques 3 fixés sur un support 4, les crochets 3 de chaque paire 2 étant opposés l'un à l'autre. Les crochets 3 peuvent être fixés sur le support 4 par l'intermédiaire d'une couche de résine 5 prévue sur celui-ci.In general, the fixing device of the invention comprises
Les crochets 3 permettent la fixation d'un tampon 6 de matière fibreuse, comme un ustensile de nettoyage ménager, ou, comme on le verra par la suite, un disque rotatif d'une machine de nettoyage de surface. Dans le premier cas, la figure 7 illustre un agencement possible d'un certain nombre d'ensembles rectilignes 1 de paires de crochets 3.The
Les crochets 3 d'un ensemble 1 peuvent être décalés en quinconce (figures 2 et 4). Chaque ensemble 1 de crochets 3 peut alors être obtenu à partir d'un ressort hélicoïdal coupé longitudinalement (figures 1 et 2), ou à partir d'un ressort de section transversale triangulaire découpé longitudinalement (figures 3 et 4). Dans le premier cas, comme montré sur la figure 1, la partie découpée L1 du ressort peut correspondre, par exemple, à 2/8 du "diamètre" de ce dernier, la partie L3 noyée dans la couche de résine 5 et la partie L2 en saillie de celle-ci correspondant, chacune, à 3/8 dudit diamètre. On remarquera que les sommets de deux crochets opposés peuvent former des saillies de hauteurs différentes ; par ailleurs, la partie découpée L1 du ressort peut l'être suivant un plan incliné par rapport à la surface libre de la couche 5. Dans le deuxième cas, comme montré sur la figure 3, une moitié de la "hauteur" du ressort peut être noyée dans la couche de résine 5, l'autre moitié faisant saillie de cette dernière.The
Lorsque les crochets sont confectionnés à partir d'un ressort, on voit que les inclinaisons conjuguées d'une paire de crochets permettent de réagir correctement aux sollicitations omni-directionnelles.When the hooks are made from a spring, it can be seen that the combined inclinations of a pair of hooks make it possible to react correctly to omni-directional stresses.
Comme montré sur les figures 5 et 6, une autre possibilité consiste en ce que chaque paire 2 de crochets 3 en regard l'un de l'autre présente une forme générale de V dont les extrémités 7 des branches sont recourbées vers l'intérieur. Dans ce cas, comme montré sur la figure 6, chaque ensemble 1 de crochets 3 est constitué par une pluralité de paires 2 de crochets 3 reliées par une baguette 8 solidaire du fond 9 des V.As shown in Figures 5 and 6, another possibility is that each
La machine 10 pour le nettoyage de surface, montrée sur la figure 8, comporte un châssis 11 sur lequel est monté un moteur 12. Deux roues 13 sont disposées de part et d'autre du châssis 11 à une extrémité de celui-ci. Par ailleurs, un manche 14, équipé d'une poignée 15 et d'organes de manoeuvre 16, est relié au châssis 11, du côté de celui-ci où sont disposées les roues 13. Le moteur 12 est destiné à entraîner un outil rotatif 17, éventuellement enveloppé par un capot de protection (non représenté).The
L'outil 17 comporte un support de forme discoïde 18 auquel est fixé un disque 19 de nettoyage de surface en matière fibreuse, de forme correspondante.The
La fixation du disque de nettoyage 19 au support 18 est assurée par des ensembles 1 de crochets 3 avantageusement radiaux partiellement noyés dans le support 18 (figures 9 et 10). On notera que, sur les figures 9 et 10, les crochets 3 ont été représentés conformément au premier exemple de réalisation montré sur les figures 1 et 2. Toutefois, il est bien entendu que d'autres formes de crochets, comme celles représentées sur les figures 3,4 et 5,6, pourraient être utilisées dans cette application.The
Claims (12)
- Device for the attachment of a pad of fibrous material on a support (4, 5), characterised in that it comprises a plurality of sets (1) of metal hooks (3), each set (1) comprising a plurality of pairs (2) of the said hooks, the said hooks being attached to the said support and projecting from the latter, the hooks (3) of each pair (2) being opposite one another.
- Device according to Claim 1, characterised in that the said sets (1) are rectilinear.
- Device according to Claim 1 or Claim 2, characterised in that the hooks (3) of each pair (2) are facing one another.
- Device according to Claim 1 or Claim 2, characterised in that the hooks (3) of a set (1) are offset in a staggered pattern.
- Device according to any of Claims 1 to 4, characterised in that the hooks (3) are in part buried in a layer of resin (5) provided on the said support (4).
- Device according to any of claims 1, 2, 4 or 5, characterised in that each set (1) of hooks (3) is constructed from a helical spring cut longitudinally.
- Device according to any of claims 1, 2, 4 or 5, characterised in that each set (1) of hooks (3) is constructed from a spring of triangular cross-section cut longitudinally.
- Device according to any of Claims 1, 2, 3 or 5, characterised in that each pair (2) of hooks (3) has the general shape of a V, the ends (7) of whose branches are curved inwards.
- Device according to Claim 8, characterised in that each set (1) of hooks (3) is constituted by a plurality of pairs (2) of hooks (3) connected by a rod (8) securely attached to the bottoms (9) of the V's.
- Device according to any of Claims 1 to 9, for the attachment of a surface cleaning disc of fibrous material, characterised in that it comprises a support (18) of a discoid shape corresponding to that of the said cleaning disc (19), on which support (18) are provided sets (1) of hooks (3) for the hooking of the said cleaning disc to the said support.
- Device according to Claim 10, characterised in that the said sets (1) of hooks (3) are radial.
- Surface cleaning machine, characterised in that it is fitted with at least one device for attaching a pad of fibrous material according to any of Claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT89401629T ATE83906T1 (en) | 1988-06-16 | 1989-06-12 | FIBER DISC FIXING DEVICE AND FLOOR CLEANING MACHINE EQUIPPED IN SUCH DEVICE. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8808070A FR2632845B1 (en) | 1988-06-16 | 1988-06-16 | DEVICE FOR FIXING A BUFFER OF FIBROUS MATERIAL AND SURFACE CLEANING MACHINE EQUIPPED WITH SAID DEVICE |
| FR8808070 | 1988-06-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0347302A1 EP0347302A1 (en) | 1989-12-20 |
| EP0347302B1 true EP0347302B1 (en) | 1992-12-30 |
Family
ID=9367366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP89401629A Expired - Lifetime EP0347302B1 (en) | 1988-06-16 | 1989-06-12 | Fibre pad attaching device and surface-cleaning machine provided with said device |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4999871A (en) |
| EP (1) | EP0347302B1 (en) |
| JP (1) | JPH0231725A (en) |
| AT (1) | ATE83906T1 (en) |
| AU (1) | AU615302B2 (en) |
| CA (1) | CA1330853C (en) |
| DE (1) | DE68904123T2 (en) |
| ES (1) | ES2037441T3 (en) |
| FR (1) | FR2632845B1 (en) |
| ZA (1) | ZA894378B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5249325A (en) * | 1990-10-18 | 1993-10-05 | Wilen Manufacturing Co., Inc. | Brush and bonnet carpet cleaning assembly |
| JPH0477859U (en) * | 1990-11-09 | 1992-07-07 | ||
| DE4101213A1 (en) * | 1991-01-17 | 1992-07-23 | Ewu Ag | Pad holder for floor cleaning machine - fits onto retention plate using hooking components on opposing side to plate engaging sponge type cleaning pad |
| FR2723831B1 (en) | 1994-08-25 | 1996-10-25 | Plazanet Maurice | DRIVE DISC FOR THE TOOL OF A MACHINE FOR CONDITIONING AND / OR MAINTENANCE OF FLOORS |
| FR2751522B1 (en) * | 1996-07-25 | 1998-10-09 | Plazanet Maurice | DRIVE DISC FOR THE TOOL OF A MACHINE FOR CONDITIONING AND / OR MAINTENANCE OF FLOORS AND MACHINE PROVIDED WITH SUCH A DISC |
| CN100397519C (en) * | 2002-12-26 | 2008-06-25 | 松下电器产业株式会社 | Disc device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US989962A (en) * | 1908-09-17 | 1911-04-18 | Georgia A Hall | Fastening device for ironing-board covers. |
| US3527001A (en) * | 1967-06-01 | 1970-09-08 | Minnesota Mining & Mfg | Holder for abrasive product |
| US3703739A (en) * | 1971-03-02 | 1972-11-28 | Beatrice Foods Co | Multiple layer surface working pads |
| CH632143A5 (en) * | 1978-08-14 | 1982-09-30 | Ernst Schaer | DEVICE FOR CONNECTING A CLEANING MAT TO THE BOTTOM OF A SUPPORT PLATE ATTACHABLE TO A FLOOR CLEANING DEVICE. |
| US4407040A (en) * | 1981-12-14 | 1983-10-04 | Universal Brush Company Ltd. | Pad drive for rotary scrubber |
| US4455705A (en) * | 1982-08-25 | 1984-06-26 | Swiss-Tex Incorporated | Cleaning device |
| FR2572641B1 (en) * | 1984-11-07 | 1987-10-02 | Nilfisk Sa Aspirateurs | REMOVABLE LINING TRAY FOR FLOOR CLEANING |
| FR2612220A1 (en) * | 1987-03-13 | 1988-09-16 | Materiel Voirie Sa | BROOM FOR ROAD CLEANING MACHINE |
-
1988
- 1988-06-16 FR FR8808070A patent/FR2632845B1/en not_active Expired - Lifetime
-
1989
- 1989-06-01 US US07/359,998 patent/US4999871A/en not_active Expired - Fee Related
- 1989-06-01 AU AU35903/89A patent/AU615302B2/en not_active Ceased
- 1989-06-09 ZA ZA894378A patent/ZA894378B/en unknown
- 1989-06-12 ES ES198989401629T patent/ES2037441T3/en not_active Expired - Lifetime
- 1989-06-12 DE DE8989401629T patent/DE68904123T2/en not_active Expired - Fee Related
- 1989-06-12 AT AT89401629T patent/ATE83906T1/en not_active IP Right Cessation
- 1989-06-12 EP EP89401629A patent/EP0347302B1/en not_active Expired - Lifetime
- 1989-06-13 JP JP1152042A patent/JPH0231725A/en active Pending
- 1989-06-16 CA CA000603126A patent/CA1330853C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE68904123T2 (en) | 1993-05-06 |
| ZA894378B (en) | 1990-02-28 |
| US4999871A (en) | 1991-03-19 |
| ATE83906T1 (en) | 1993-01-15 |
| DE68904123D1 (en) | 1993-02-11 |
| AU3590389A (en) | 1989-12-21 |
| JPH0231725A (en) | 1990-02-01 |
| AU615302B2 (en) | 1991-09-26 |
| FR2632845A1 (en) | 1989-12-22 |
| FR2632845B1 (en) | 1991-08-30 |
| CA1330853C (en) | 1994-07-26 |
| EP0347302A1 (en) | 1989-12-20 |
| ES2037441T3 (en) | 1993-06-16 |
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