EP0426209A1 - Improved cleaning device - Google Patents
Improved cleaning device Download PDFInfo
- Publication number
- EP0426209A1 EP0426209A1 EP90201936A EP90201936A EP0426209A1 EP 0426209 A1 EP0426209 A1 EP 0426209A1 EP 90201936 A EP90201936 A EP 90201936A EP 90201936 A EP90201936 A EP 90201936A EP 0426209 A1 EP0426209 A1 EP 0426209A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- arms
- arm
- cleaning device
- pivot pins
- supporting frame
- 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
Images
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
- A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
- A47L13/20—Mops
- A47L13/24—Frames for mops; Mop heads
- A47L13/254—Plate frames
- A47L13/258—Plate frames of adjustable or foldable type
Definitions
- a cleaning device of this type comprises an elongated handle, a supporting frame removably and pivotally connected to an end of said handle, and a web of fabric stretched over said supporting frame and kept taut which is used to clean surfaces such as floors and the like.
- the supporting frame is collapsable or otherwhise adapted to be at least partially dismounted.
- the supporting frame generally comprises an assembly of suitably linked components adapted to assume a generally coplanar configuration in which the fabric web is stretched, and a collapsed or angled configuration in which the components are still joined together but not forming a rigid frame so that the fabric web can be easily washed, rinsed or replaced.
- the fabric web (or cotton cloth) is generally provided with two opposed pockets or engagement cavities into which are fitted the ends of the supporting frame.
- the known cotton brooms are different from each other in respect to the construction of the supporting frame keeping taut the fabric in the cleaning operations.
- This frame must allow for an easy and quick assembly and disassembly to wash the fabric web and to replace the same when it is worn out.
- the known supporting frames are of plastic material and comprise two elongated members or arms pivotally joined together, at least one of them having an extension that extends beyond the pivoting axis in order to partially overlap the other when the frame reaches the coplanar configuration.
- the parts to be superimposed are of reduced thickness, also to save material and to get a support which is not too heavy.
- constraint or locking means are provided that prevent the undesired collapsing of the frame, such means being preferably located in the overlapping area and at the end portion of the above mentioned extension.
- Such means are usually devised for an easy assembly and disassembly (i.e. such as to be actuated by a single hand or a foot).
- the invention consists of a cleaning device comprising an elongated handle, a supporting frame removably and pivotally connected to an end of said handle, and a web of fabric stretched over said supporting frame, said supporting frame comprising two elongated members or arms pivoted together and locking means to block said arms in a coplanar configuration and to disengages them, characterized in that said arms are of plastic material and coupled together by snap fitting thanks to pivot pins and pivot seats integer with the arms, at least one of said arms providing for an extension that extends beyond the pivoting axis in order to partially overlap the other arm when the frame reaches the coplanar configuration, and in that said locking means comprises a plastic pawl pivotally connected to one of the arms.
- the supporting frame is completely of plastic material, no metal element being required (not even for the pins), and such frame comprises only three members, namely two arms and a pawl, wherein the coupling between the pivot pins (that are molded integer with the arms) and the seats thereof takes place by snap fitting.
- the locking means to keep coplanar the two arms (in the working step) is carried out by means of clip or snap fitting engagement, by applying a proper force to overcome an initial interference of the parts to be connected.
- a pawl of the type having a lever with a central fulcrum or pivot point, which applies a force acting along an opposite direction with respect to the one applied initially to set the assembly flat.
- the supporting frame of the invention comprises two elongated member or arms, 1 and 2 that in use are assembled together.
- the arms 1 and 2 are adapted for a partial overlapping, with the parts interpenetrating with each other thanks to proper thickness reductions.
- the arm 2 provides for a portion of reduced width from which a pair of opposed pivot pins 3 protrude, and a reduced thickness portion marked by 7 in the middle area thereof.
- the arm 2 On the underside of the reduced width portion, the arm 2 carries opposed seats 5, each formed as a longitudinally opened sleeve of circular cross section, provided for cooperating with a corresponding pair of engagement pivot pins 4 on arm 1.
- two projections 8 are present onto which the user pushes in order to force the seats 5 into engagement with the above mentioned pivot pins 4.
- the arm 2 further carries a shoulder 9 for an axis 10 over which it is to be applied an articulated member (not shown) for the connection to the shaft of the handle (also not shown).
- the arm 2 further provides for a C shaped projection 17 to which can be anchored a tape connected to the cotton web 19.
- the arm 1 provides for a middle opening or window 13 in which are arranged seats 11, formed as grooves with a circular cross section inner portion and a flared outer portion, adapted to engage the pivot pins 3.
- the arm 1 further provides for a pair of opposed engagement pivot pins 4 protruding into the window 13.
- pivot pins 3 The shape of pivot pins 3 is such that it can be housed into the seats 11 after a moderate resilient deformation to overcome an interference between them, and the same applies also to the snap fitting between pivot pins 4 and the seats 5.
- a central pivot pin 6 is further provided on arm 1, cooperating with the window 13 and the reduced thickness portion 7 for positioning a pawl member 14-16 that will be now illustrated with reference in particular to Figures 15, 18, 19 and 20.
- Such pawl member is shaped like a lever with an intermediate fulcrum (at 16) and a flat round portion 15 adapted to be pressed by the user's foot, and an actuating end 14.
- the pawl member 14-16 is received in the reduced thickness portion 7 and in the window 13, and is hinged at pivot pin 6 of arm 1.
- the pawl member 14-16 is initially applied to the arm 1 by forcing the seat 16 over the pin 6, and then the arms 1 and 2 are mutually positioned in such a manner that the seats 11 lay over the pivot pins 3. By pressing together the arms, the seats are resilientely deformed and the pins are received within them so as to form an articulated frame as can be seen in Fig. 16.
- the cotton broom can be dipped into a basin containing water and squeezed without being touched by the hands.
Abstract
Description
- The present invention relates to improvements in the cleaning devices known as "cotton brooms". A cleaning device of this type comprises an elongated handle, a supporting frame removably and pivotally connected to an end of said handle, and a web of fabric stretched over said supporting frame and kept taut which is used to clean surfaces such as floors and the like.
- In these devices the supporting frame is collapsable or otherwhise adapted to be at least partially dismounted.
- More particularly, the supporting frame generally comprises an assembly of suitably linked components adapted to assume a generally coplanar configuration in which the fabric web is stretched, and a collapsed or angled configuration in which the components are still joined together but not forming a rigid frame so that the fabric web can be easily washed, rinsed or replaced.
- The fabric web (or cotton cloth) is generally provided with two opposed pockets or engagement cavities into which are fitted the ends of the supporting frame.
- The known cotton brooms are different from each other in respect to the construction of the supporting frame keeping taut the fabric in the cleaning operations.
- This frame must allow for an easy and quick assembly and disassembly to wash the fabric web and to replace the same when it is worn out.
- Several types of supporting frames have been suggested that were not fully satisfactory in view of drawbacks concerning either the manufacturing costs or the effectiveness of use, or both, as well as the design complexity.
- The known supporting frames are of plastic material and comprise two elongated members or arms pivotally joined together, at least one of them having an extension that extends beyond the pivoting axis in order to partially overlap the other when the frame reaches the coplanar configuration.
- The parts to be superimposed are of reduced thickness, also to save material and to get a support which is not too heavy.
- In order to block the two arms in the working flat configuration, constraint or locking means are provided that prevent the undesired collapsing of the frame, such means being preferably located in the overlapping area and at the end portion of the above mentioned extension. Such means are usually devised for an easy assembly and disassembly (i.e. such as to be actuated by a single hand or a foot).
- There are presentely known mechanical, magnetic or mixed locking means that are complex and require components such as permanent magnets, springs, metal pins, and other metal parts that make the production more laborious and raise the costs and the weight of the finished product.
- It is therefore an object of the present invention to realize an improved supporting frame of the type indicated above which is simple, effective and lightweight.
- The invention consists of a cleaning device comprising an elongated handle, a supporting frame removably and pivotally connected to an end of said handle, and a web of fabric stretched over said supporting frame, said supporting frame comprising two elongated members or arms pivoted together and locking means to block said arms in a coplanar configuration and to disengages them, characterized in that said arms are of plastic material and coupled together by snap fitting thanks to pivot pins and pivot seats integer with the arms, at least one of said arms providing for an extension that extends beyond the pivoting axis in order to partially overlap the other arm when the frame reaches the coplanar configuration, and in that said locking means comprises a plastic pawl pivotally connected to one of the arms.
- Additional advantageous features are the objects of the dependent claims.
- According to the invention, the supporting frame is completely of plastic material, no metal element being required (not even for the pins), and such frame comprises only three members, namely two arms and a pawl, wherein the coupling between the pivot pins (that are molded integer with the arms) and the seats thereof takes place by snap fitting.
- The locking means to keep coplanar the two arms (in the working step) is carried out by means of clip or snap fitting engagement, by applying a proper force to overcome an initial interference of the parts to be connected.
- In order to disengage the two arms from the coplanar condition, it is used a pawl of the type having a lever with a central fulcrum or pivot point, which applies a force acting along an opposite direction with respect to the one applied initially to set the assembly flat.
- A preferred embodiment of the invention will be illustrated with reference to the attached drawings, in which:
- Fig. 1 is a top view of a supporting frame for a cotton broom or cleaning device according to the invention;
- Fig. 2 is a cross section view along lines K-K of Fig. 1;
- Fig. 3 is an top view of one of the arms;
- Figures 4 and 5 are cross section views of the arm of Fig. 3 along lines K-K and Y-Y, respectively;
- Fig. 6 in an top view of the other arm;
- Figures 7 and 8 are cross section views of the arm of Fig. 6 along lines K-K and Z-Z, respectively;
- Fig. 9 is a bottom view of the supporting frame of Fig. 1;
- Figures 10 and 11 are cross section views of the frame of Fig. 1 along lines W-W and K′-K, respectively;
- Figures 12 and 13 are bottom views of the two arms;
- Fig. 14 shows a portion of the cotton web only tied to the frame;
- Fig. 15 is a cross section view of the three components (not coupled together) of the supporting frame;
- Figures 16 to 18 are cross section views of the supporting frame; and
- Figures 19 and 20 are a side view and a top view of the pawl member, respectively.
- With reference to the Figures, and particularly to Figures 1 to 12, the supporting frame of the invention comprises two elongated member or arms, 1 and 2 that in use are assembled together. As it is clearly shown in the drawings, the
arms - The
arm 2 provides for a portion of reduced width from which a pair ofopposed pivot pins 3 protrude, and a reduced thickness portion marked by 7 in the middle area thereof. - On the underside of the reduced width portion, the
arm 2 carriesopposed seats 5, each formed as a longitudinally opened sleeve of circular cross section, provided for cooperating with a corresponding pair ofengagement pivot pins 4 onarm 1. On the opposite side, twoprojections 8 are present onto which the user pushes in order to force theseats 5 into engagement with the above mentionedpivot pins 4. - In the reduced width portion, the
arm 2 further carries ashoulder 9 for anaxis 10 over which it is to be applied an articulated member (not shown) for the connection to the shaft of the handle (also not shown). At the other end thearm 2 further provides for a Cshaped projection 17 to which can be anchored a tape connected to thecotton web 19. - The
arm 1 provides for a middle opening orwindow 13 in which are arrangedseats 11, formed as grooves with a circular cross section inner portion and a flared outer portion, adapted to engage thepivot pins 3. Thearm 1 further provides for a pair of opposedengagement pivot pins 4 protruding into thewindow 13. - The shape of
pivot pins 3 is such that it can be housed into theseats 11 after a moderate resilient deformation to overcome an interference between them, and the same applies also to the snap fitting betweenpivot pins 4 and theseats 5. - A
central pivot pin 6 is further provided onarm 1, cooperating with thewindow 13 and the reducedthickness portion 7 for positioning a pawl member 14-16 that will be now illustrated with reference in particular to Figures 15, 18, 19 and 20. - Such pawl member is shaped like a lever with an intermediate fulcrum (at 16) and a
flat round portion 15 adapted to be pressed by the user's foot, and an actuatingend 14. The pawl member 14-16 is received in the reducedthickness portion 7 and in thewindow 13, and is hinged atpivot pin 6 ofarm 1. - To assembly the supporting frame, the pawl member 14-16 is initially applied to the
arm 1 by forcing theseat 16 over thepin 6, and then thearms seats 11 lay over thepivot pins 3. By pressing together the arms, the seats are resilientely deformed and the pins are received within them so as to form an articulated frame as can be seen in Fig. 16. - Then a cotton web or cloth is applied to the frame by fitting the pockets onto the ends of the supporting (not yet coplanar) frame. Finally, by pressing (e.g. by means of a foot) over the
projections 8 ofarm 2, a similar snap fitting engagement takes place betweenpivot pins 4 and theseats 5 thus rendering the frame rigid and coplanar, and stretching the cotton web (not shown). - When the user pushes over
portion 15, the actuatingportion 14 forces the end ofarm 2 upward, so that theseats 5 disengage (through a temporary elastic deformation) from thepivot pins 4. - By manoeuvering the broomstick handle connected to the attachement 9-10 (not shown), the cotton broom can be dipped into a basin containing water and squeezed without being touched by the hands.
- From what has been disclosed, it appears that the novel construction and locking means provided for by the present invention is quite advantageous in respect of the complicated and involved devices proposed until now, and that the supporting frame is simple and cheaper being formed by three components only and with the exclusion of any metal part.
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT04175489A IT1236475B (en) | 1989-10-28 | 1989-10-28 | SUPPORT PLAN OF THE ACTIVE PART (FABRIC) OF THE COTTON Brooms, the two parts of which make up the PLAN (BETWEEN THEM HINGED) FROM THE ANGLED POSITION, PASS TO THE COPLANARITY BINDING THEM WITH THE CLIP COMMITMENT |
IT4175489 | 1989-11-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0426209A1 true EP0426209A1 (en) | 1991-05-08 |
EP0426209B1 EP0426209B1 (en) | 1995-02-15 |
Family
ID=11253439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90201936A Expired - Lifetime EP0426209B1 (en) | 1989-10-28 | 1990-07-17 | Improved cleaning device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0426209B1 (en) |
AT (1) | ATE118325T1 (en) |
DE (1) | DE69016927T2 (en) |
IT (1) | IT1236475B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0663178A1 (en) * | 1994-01-12 | 1995-07-19 | Vermop Salmon Gmbh | Mop frame |
EP1188406A2 (en) * | 2000-09-15 | 2002-03-20 | EMSA-Werke Wulf GmbH & Co. KG | Mop |
WO2005117680A1 (en) * | 2004-05-28 | 2005-12-15 | Carl Freudenberg Kg | Mop system, wringer device and mop |
US8356379B2 (en) * | 2005-09-16 | 2013-01-22 | Leifheit Ag | Foldable wiper plate |
US20150089757A1 (en) * | 2013-10-01 | 2015-04-02 | Electrolux Home Care Products, Inc. | Floor mop with removable base plate |
US9743819B2 (en) | 2013-09-24 | 2017-08-29 | Midea America, Corp. | Floor mop with concentrated cleaning feature |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5926896A (en) * | 1997-11-25 | 1999-07-27 | Rubbermaid Commercial Products Llc | Collapsible cleaning implement |
PL205712B1 (en) * | 2004-05-19 | 2010-05-31 | Splast Spo & Lstrok Ka Z Ogran | Floor wiping tool |
US9155440B2 (en) | 2013-03-15 | 2015-10-13 | Electrolux Home Care Products, Inc. | Steam distribution apparatus and methods for steam cleaning devices |
US9554686B2 (en) | 2013-09-24 | 2017-01-31 | Electrolux Home Care Products, Inc. | Flexible scrubbing head for a floor mop |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8509366U1 (en) * | 1985-03-29 | 1985-05-09 | NWG Nord-West-Gebäudereinigung KG, 4100 Duisburg | Mopping device |
EP0150417A2 (en) * | 1984-01-12 | 1985-08-07 | Henkel Kommanditgesellschaft auf Aktien | Floor mop |
EP0175019A1 (en) * | 1984-09-05 | 1986-03-26 | Floordress Reinigungsgeräte GmbH | Device for mopping floors |
DE8706126U1 (en) * | 1986-08-21 | 1987-07-16 | Vermop Salmon Gmbh, 6980 Wertheim, De | |
EP0249353A1 (en) * | 1986-05-28 | 1987-12-16 | Scot Young Research Limited | Sweep mop pad holder |
-
1989
- 1989-10-28 IT IT04175489A patent/IT1236475B/en active IP Right Grant
-
1990
- 1990-07-17 EP EP90201936A patent/EP0426209B1/en not_active Expired - Lifetime
- 1990-07-17 AT AT90201936T patent/ATE118325T1/en not_active IP Right Cessation
- 1990-07-17 DE DE69016927T patent/DE69016927T2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0150417A2 (en) * | 1984-01-12 | 1985-08-07 | Henkel Kommanditgesellschaft auf Aktien | Floor mop |
EP0175019A1 (en) * | 1984-09-05 | 1986-03-26 | Floordress Reinigungsgeräte GmbH | Device for mopping floors |
DE8509366U1 (en) * | 1985-03-29 | 1985-05-09 | NWG Nord-West-Gebäudereinigung KG, 4100 Duisburg | Mopping device |
EP0249353A1 (en) * | 1986-05-28 | 1987-12-16 | Scot Young Research Limited | Sweep mop pad holder |
DE8706126U1 (en) * | 1986-08-21 | 1987-07-16 | Vermop Salmon Gmbh, 6980 Wertheim, De |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0663178A1 (en) * | 1994-01-12 | 1995-07-19 | Vermop Salmon Gmbh | Mop frame |
EP1188406A2 (en) * | 2000-09-15 | 2002-03-20 | EMSA-Werke Wulf GmbH & Co. KG | Mop |
EP1188406A3 (en) * | 2000-09-15 | 2002-11-20 | EMSA-Werke Wulf GmbH & Co. KG | Mop |
WO2005117680A1 (en) * | 2004-05-28 | 2005-12-15 | Carl Freudenberg Kg | Mop system, wringer device and mop |
US7917989B2 (en) | 2004-05-28 | 2011-04-05 | Carl Freudenberg Kg | Mop system, wringer device and mop |
US8356379B2 (en) * | 2005-09-16 | 2013-01-22 | Leifheit Ag | Foldable wiper plate |
US9743819B2 (en) | 2013-09-24 | 2017-08-29 | Midea America, Corp. | Floor mop with concentrated cleaning feature |
US20150089757A1 (en) * | 2013-10-01 | 2015-04-02 | Electrolux Home Care Products, Inc. | Floor mop with removable base plate |
US9179815B2 (en) * | 2013-10-01 | 2015-11-10 | Electrolux Home Care Products, Inc. | Floor mop with removable base plate |
Also Published As
Publication number | Publication date |
---|---|
EP0426209B1 (en) | 1995-02-15 |
ATE118325T1 (en) | 1995-03-15 |
IT1236475B (en) | 1993-03-09 |
IT8941754A1 (en) | 1991-05-28 |
DE69016927D1 (en) | 1995-03-23 |
IT8941754A0 (en) | 1989-11-28 |
DE69016927T2 (en) | 1995-06-14 |
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