EP4444151B1 - Bearbeitungskopf für ein werkzeug zur reinigung von oberflächen - Google Patents

Bearbeitungskopf für ein werkzeug zur reinigung von oberflächen

Info

Publication number
EP4444151B1
EP4444151B1 EP22835884.2A EP22835884A EP4444151B1 EP 4444151 B1 EP4444151 B1 EP 4444151B1 EP 22835884 A EP22835884 A EP 22835884A EP 4444151 B1 EP4444151 B1 EP 4444151B1
Authority
EP
European Patent Office
Prior art keywords
housing
operating head
contact surface
cloth
tool
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.)
Active
Application number
EP22835884.2A
Other languages
English (en)
French (fr)
Other versions
EP4444151A1 (de
Inventor
Biagio Currenti
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.)
Cosmo Fibre Srl
Original Assignee
Cosmo Fibre Srl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cosmo Fibre Srl filed Critical Cosmo Fibre Srl
Publication of EP4444151A1 publication Critical patent/EP4444151A1/de
Application granted granted Critical
Publication of EP4444151B1 publication Critical patent/EP4444151B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges
    • 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
    • A47L13/255—Plate frames for mops of textile fringes or the like
    • 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
    • A47L13/256—Plate frames for mops made of cloth

Definitions

  • the invention relates to the sector of tools for cleaning, specifically tool for cleaning surfaces (for example floors, walls, ceilings, etc.). These are provided with a handle and an operating head stably coupled to an end of the handle, typically by means of a connector or a joint, so as to enable the angulation of the handle with respect to the operating head, thus facilitating the cleaning operations.
  • the operating head comprises a support element and a cleaning element that can be constituted by a textile, by a non-woven textile (also known as TNT), by a plurality of strips of bundles or braids of strings or textiles stably fixed to the support element.
  • These tools for cleaning surfaces are also known as mops or squeegees and can be put up for sale, or in any case utilised, together with a suitable bucket which is provided with an element for wringing the cleaning element. These tools enable the user to immerse the cleaning element in a liquid without coming directly into contact with the liquid.
  • a known drawback with these tools relates to the mode of connection of the cleaning element to a support device comprised in the operating head.
  • the support device comprises a relative upper element to which the joint or the connection is connected and a lower element couplable to the upper element to block a portion (typically central) of the cleaning element. It follows that, during the cleaning operations, the lower element is in contact with the surface to be cleaned.
  • the relative operating head comprises a support element (3) which is substantially planar and annular (illustrated as circular in figures 1, 2 but which can also be triangular or have another shape) and which comprises: a plurality of holes arranged along an annular path (respectively circular, triangular or having another shape).
  • a determined number of braids of strings is inserted in a relative hole (4) of the plurality of holes in such a way that both the relative ends of each braid (9) project from a first side of the support element (3), forming a replacement unit (10).
  • a connecting element (5) is provided which comprises, along a relative first side, an annular housing (6) (visible in figure 2 ).
  • the connecting element is predisposed to house and fix by interference coupling the replacement unit (10) constituted by the support element (3) and by the plurality of braids inserted therein, arranged with a second side (visible in figure 2 ) of the support element (3), opposite the relative first side, facing towards the annular housing (6).
  • a first joint element is included that is couplable to a second joint element (7) arranged on an end of a handle (8) by means of a pin (not visible in the figures) to enable a variation of the inclination of the handle (8) with respect to the coupling element during the cleaning operations.
  • European patent EP 2.434.934 describes a tool for cleaning surfaces, in which the cleaning element is a cloth.
  • the operating head of the tool comprises: the cloth; a sleeve having a first hollow end in which a handle is insertable and fixable, and a housing which is accessible from an opening arranged on the second end of the sleeve, opposite the first end, conformed for receiving a portion of the cloth; in which the cloth has dimensions such that, with the relative portion inserted in the housing the perimeter of the cloth is entirely placed externally of the sleeve.
  • the operating head further comprises compression means insertable in the housing so as to exert a pressure on the portion of the cloth directed towards at least an inner wall of the housing to obtain the fixing of the cloth to the sleeve.
  • the tool described in EP 2.434.934 requires arranging, suitably about the sleeve, on the surface to be cleaned, the portion of the cloth external of the housing so as to prevent the edge of the opening of the housing of the sleeve from rubbing on the surface during the cleaning operations.
  • the force is distributed only on an extremely limited area, given by the edge of the opening, and therefore the portion of the cloth, external of the housing, is not pressed on the surface. This does not facilitate the cleaning operations, in particular in the case of ground-in dirt.
  • the handle is fixed to the cleaning head without the possibility of inclination of the handle with respect to the cleaning head, it is not ergonomic to clean the surface by using an inclination of the handle with respect to the perpendicular direction to the surface. Further, for the user it is not easy to separate the cloth from the sleeve and from the compression means. It follows that, once the cloth is worn, it is necessary to eliminate all these components together without separating the materials they are made of; this in effect excludes the possibility of recycling them. Also, the operating head according to EP 2.434.934 cannot be washed in a washing machine, as the relative sleeve would tend to impact against the drum and might damage it.
  • US2011/258799 A1 discloses an operating head (11) of a tool (12) for cleaning surfaces according to the preamble of claim 1.
  • WO2011074751A1 discloses a rotary cleaning instrument that can rotate a cleaning device such as the mopping portion only by the force of the user's pulling and pushing.
  • the rotary cleaning instrument comprising a rotation support device having a rotation support member, a rotation device installed in the rotation support member, adapted to rotate under the rotation support member, and for installing cleaning device and a eccentric pressing device installed in the rotation support device and for pressing an eccentric portion of the rotation device.
  • US2005246850A1 discloses a hand held cleaning device including a rigid, disk shaped cleaning head, a detachable disk shaped absorbent wiping pad having substantially the same diameter as the head and an elongated, lengthwise adjustable handle.
  • a pivot member connects the handle's distal end to the center of the topside of the head.
  • the wiping pad in addition to the cloth , may comprise a foam layer disposed between a rigid, disk shaped support member 2 made of light weight plastic. The cloth is sewn, or otherwise fixedly attached, to the foam layer 36. The foam layer may be glued, or otherwise fixedly attached, to the disk shaped support member.
  • the aim of the present invention is to describe an operating head for a tool for cleaning surfaces which enables impressing on the cleaning element a force sufficient to clean with a single passage a surface without risking damaging the surface (especially when the surface is, for example, particularly delicate, such as parquet or a marble floor) and which at the same time is more eco-friendly than the prior art.
  • a further aim of the invention intends to attain is to provide a tool for cleaning floors which has a greater cleaning surface than other tools of the prior art and which at the same time is easy to assemble.
  • the aims are attained with an operating head according to claim 1.
  • the operating head of the invention has, as a cleaning element, a cloth, the central part of which can easily be pressed against the surface to be cleaned and which enables fixing an end of a handle of a tool for cleaning with an option of varying the inclination thereof with respect to the contact surface. It is clear that this enables obtaining a tool for cleaning floors which allows the user neither to bend over and not come into contact with the washing liquid, nor to have to apply a strong force on the cloth, and in particular on the relative central portion in this way allowing the operator to have a working posture that is more greatly ergonomic without leading, at the same time, to the risk of damaging the surfaces to be cleaned.
  • the operating head of the invention enables replacing only the cloth, when the cloth is worn and/or too dirty to be reutilised.
  • the first housing and the blocking device are conformed in such a way as to reversibly fasten the cloth to the support and connecting device.
  • the cloth is easily separable from the other components of the operating head, it is possible to wash it in a washing machine separately from the components without risking damage to the drum.
  • reference numeral 11 denotes an operating head of a tool (12) for cleaning surfaces according to the invention and comprising:
  • the contact surface (16) is preferably continuous, as illustrated in the figures relating to the invention, but might also be a discontinuous surface, for example if a mesh or a grate is used that is solidly constrained to the first inner annular edge (19) of the first housing (18).
  • the blocking device (22) is conformed as: an open ring (see figures 10-11 , 17, 20 ), a closed ring, a ring portion, a plurality of portions of a ring.
  • An open ring (more preferably circular) is preferable, but a closed ring can also be used when it is elastically deformable and/or the first inner annular edge (19) comprises a plurality of terminal portions (80) that are elastically deformable (for example flanges or tabs (80)) which enable, by relative elastic deformation, varying the perimeter of the first inner annular edge (19) of the housing.
  • the support and connecting device (14) can be realised in a single body or more preferably can comprise: a support device (23) having: a first side (70) and a second side (71) (see figure 3 ); the contact surface (16) and the first housing (18) arranged along the relative first side (70); and a first coupling element (25); and a connecting device (24) having the fixing element (21) and a second coupling element (26), which is reversibly couplable to the first coupling element (25) so as to solidly fix the fixing element (21) to the contact surface (16).
  • a support device (23) having: a first side (70) and a second side (71) (see figure 3 ); the contact surface (16) and the first housing (18) arranged along the relative first side (70); and a first coupling element (25); and a connecting device (24) having the fixing element (21) and a second coupling element (26), which is reversibly couplable to the first coupling element (25) so as to solidly fix the fixing element (21) to the contact
  • the first coupling element (25) advantageously comprises a third perimeter edge (25) which surrounds the first housing (18); and the second coupling element (26) is a second housing (26), arranged on an opposite side with respect to the fixing element (21), and is conformed to stably and reversibly couple with the third perimeter edge (25) housing the support device (23) with the relative second side (71) facing towards the second housing (26) and with the contact surface (16) facing outwards and being arranged in such a way that the central portion (131) of the cloth (13) is in contact with the surface to be cleaned when the operating head (11) is in contact with the surface to be cleaned.
  • the second housing can have a relative opening having a fourth edge (40) and the contact surface (16) will be substantially aligned with the fourth edge (40) and will project therefrom.
  • the second housing (26) is conformed to stably and reversibly couple with the third perimeter edge (25) by interference coupling or screwing-in, more preferably by interference coupling.
  • the third perimeter edge (25) can be threaded as can the annular inner wall of the second housing (26).
  • further fixing elements can be used for fixing the support device (23) to the connecting device (24), for example screws and threaded holes.
  • the first housing (18) has a closed annular circular shape and the blocking device is conformed as: a circular or an open triangular ring, a circular ring or a closed triangular ring, a circular or triangular ring portion or a plurality of portions of a circular or triangular ring.
  • the contact surface (16) has an extension of at least 150 cm 2 , preferably comprised between 150 and 255 cm2, more preferably comprised between 175 and 227 cm 2 and advantageously it is about 200 cm 2 . This is because in this way the force applied by the user can be distributed over a greater contact surface, easing and accelerating the cleaning operations. Further, these dimensions represent an excellent compromise between the floor surface which comes into contact with the central portion of the cloth (13) and the possibility of wringing the cloth in an appropriate bucket. When the contact surface (16) is circular, it can have a diameter of 14-18 cm, more preferably di 15-17, advantageously 16 cm.
  • the central portion (131) of the cloth (13) preferably comprises at least two layers of fabric or non-woven fabric solidly constrained to one another for the purpose of damping the pressure exertable on the contact surface (16) during the cleaning operations. In this way delicate surfaces (for example parquet or marble) are better protected.
  • a tool (12) for cleaning surfaces comprising an operating head (11) according to the invention and a handle (8) of a tool (12) for cleaning surfaces, wherein an end of the handle (8) is solidly fixable, preferably fixed, advantageously reversibly to the fixing element (21).
  • a kit (60) for assembling the operating head (11) comprising: an operating head (11) according to the invention; and a bradawl (30) (see figures 12-17 and 20 ) having a grip (31) that is T-shaped and a bar (32) fixable to the grip which has a relative utilisation end, which is tapered as a cone and conformed so as to push the blocking device (22) into the first housing (18), when, on the first side (15) of the support and connecting device (14), the cloth (13) is unfurled and arranged between the first housing (18) and the blocking device (22).
  • the invention also comprises a preferred embodiment (not illustrated) in which the cloth (13) can comprise, further to the central portion (131) also a frayed perimeter portion.
  • the cloth (13) is preferably made of microfibre, more preferably polyester/polyamide microfibre, advantageously with a honeycomb weave.
  • the fixing element (21) can comprise a chain having a relative axis and a joint to enable varying the inclination of the handle (8) with respect to the contact surface (16).

Landscapes

  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Wire Bonding (AREA)

Claims (10)

  1. Arbeitskopf (11) eines Werkzeugs (12) zum Reinigen von Oberflächen, umfassend:
    - ein Tuch (13) zum Reinigen von Oberflächen:
    - eine Halte- und Verbindungsvorrichtung (14) mit: einer ersten Seite (15); einer zweiten Seite (17), die der ersten Seite (15) gegenüberliegt; einer Kontaktfläche (16), die eben ist und entlang der ersten Seite (15) angeordnet ist; einem ersten Gehäuse (18), das: entlang der ersten Seite (15) angeordnet ist; eine geschlossene ringförmige Gestalt aufweist; und die Kontaktfläche (16) umgibt und fest mit dieser verbunden ist, wobei das erste Gehäuse (18) eine Öffnung aufweist, die wiederum Folgendes aufweist: einen ersten inneren ringförmigen Rand (19) und einen zweiten äußeren ringförmigen Rand (20), die im Wesentlichen nicht über die Kontaktfläche (16) hinausragen; und ein Befestigungselement (21) aufweist, das fest an der Kontaktfläche (16) befestigbar ist und ein Ende aufweist, das fest an einem Ende eines Griffs (8) eines Werkzeugs (12) zum Reinigen von Oberflächen befestigbar ist und dazu vorgesehen ist, eine Veränderung der Neigung des Griffs (8) in Bezug auf eine Kontaktfläche (16) zu ermöglichen;
    - eine Sperrvorrichtung (22);
    dadurch gekennzeichnet, dass das erste Gehäuse (18) und die Sperrvorrichtung (22) so ausgebildet sind, dass ein reversibles Einsetzen der Sperrvorrichtung (22) in das erste Gehäuse (18) möglich ist, wenn auf der ersten Seite (15) der Halte- und Verbindungsvorrichtung (14) das Tuch (13) entfaltet und zwischen dem ersten Gehäuse (18) und der Blockiervorrichtung (22) angeordnet ist, mit dem Ziel, das Tuch (13) durch eine Presspassung mit einem mittleren Abschnitt (131) des Tuchs (13), der mit der Kontaktfläche (16) in Kontakt steht, wechselseitig und reversibel an der Halte- und Verbindungsvorrichtung (14) zu befestigen.
  2. Der Arbeitskopf (11) des vorstehenden Anspruchs, wobei die Sperrvorrichtung (22) wie folgt ausgebildet ist: als offener Ring, als geschlossener Ring, als Ringabschnitt, als mehrere Abschnitte eines Rings.
  3. Der Arbeitskopf (11) aus einem der vorstehenden Ansprüche, wobei die Halte- und Verbindungsvorrichtung (14) umfasst:
    eine Haltevorrichtung (23) mit: einer ersten Seite (70) und einer zweiten Seite (71); wobei die Kontaktfläche (16) und das erste Gehäuse (18) beide entlang der relativen ersten Seite angeordnet sind; und einem ersten Kupplungselement (25); und
    eine Verbindungsvorrichtung (24) mit dem Befestigungselement (21) und einem zweiten Kupplungselement (26), das reversibel mit dem ersten Kupplungselement (25) gekoppelt werden kann, um das Befestigungselement (21) fest an der Kontaktfläche (16) zu befestigen.
  4. Der Arbeitskopf (11) aus dem vorstehenden Anspruch, wobei das erste Kupplungselement (25) eine dritte Umfangskante umfasst, die das erste Gehäuse (18) umgibt;
    wobei das zweite Kupplungselement (26) ein zweites Gehäuse (26) ist, das auf einer dem Befestigungselement (21) gegenüberliegenden Seite angeordnet ist, wobei das zweite Gehäuse so geformt ist, dass es stabil und reversibel mit der dritten Umfangskante, die die Stützvorrichtung (23) aufnimmt, gekoppelt werden kann, wobei dessen zweite Seite zum zweiten Gehäuse (26) hin ausgerichtet ist und die Kontaktfläche (16) nach außen gerichtet ist und so angeordnet ist, dass der mittlere Abschnitt (131) des Tuchs (13) mit der zu reinigenden Oberfläche in Kontakt steht, wenn der Arbeitskopf (11) mit der zu reinigenden Oberfläche in Kontakt steht.
  5. Der Arbeitskopf (11) aus dem vorstehenden Anspruch, wobei das zweite Gehäuse (26) so ausgebildet ist, dass es durch Presspassung oder Einschrauben stabil und reversibel mit der dritten Umfangskante verbunden werden kann.
  6. Der Arbeitskopf (11) nach einem der vorstehenden Ansprüche, wobei das erste Gehäuse (18) eine geschlossene ringförmige Kreisform aufweist und die Sperrvorrichtung wie folgt geformt ist: als kreisförmiger offener Ring, als kreisförmiger geschlossener Ring, als kreisförmiger Ringabschnitt oder als mehrere Abschnitte eines kreisförmigen Rings.
  7. Der Betätigungskopf (11) nach einem der vorstehenden Ansprüche, wobei die Kontaktfläche (16) eine Ausdehnung von mindestens 150 cm2 aufweist.
  8. Der Arbeitskopf (11) nach einem der vorstehenden Ansprüche, wobei der mittlere Abschnitt (131) des Tuchs (13) mindestens zwei Lagen Stoff oder Vliesstoff umfasst, die fest miteinander verbunden sind, um den Druck zu dämpfen, der während der Reinigungsvorgänge auf die Kontaktfläche (16) ausgeübt werden kann.
  9. Werkzeug (12) zum Reinigen von Oberflächen, umfassend einen Arbeitskopf (11) gemäß einem der vorstehenden Ansprüche und einen Griff (8) eines Werkzeugs (12) zum Reinigen von Oberflächen, wobei ein Ende des Griffs (8) fest mit dem Befestigungselement (21) verbindbar ist.
  10. Bausatz zum Zusammenbau eines Arbeitskopfes (11) eines Werkzeugs (12) zum Reinigen von Oberflächen, umfassend: einen Arbeitskopf (11) gemäß den Ansprüchen 1 bis 8; und einen Bradawl (30) mit einem T-förmigen Griff (31) und einer Stange (32) aufweist, der an dem Griff befestigbar ist und ein relatives Verwendungsende aufweist, das sich als Kegel verjüngt und so geformt ist, dass es die Sperrvorrichtung (22) in das erste Gehäuse (18) drückt, wenn auf der ersten Seite (15) der Halte- und Verbindungsvorrichtung (14) das Tuch (13) zwischen dem ersten Gehäuse (18) und der Sperrvorrichtung (22) entfaltet wird.
EP22835884.2A 2021-12-09 2022-12-06 Bearbeitungskopf für ein werkzeug zur reinigung von oberflächen Active EP4444151B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000030908A IT202100030908A1 (it) 2021-12-09 2021-12-09 Testa operativa per attrezzo per la pulizia di superfici
PCT/IB2022/061823 WO2023105405A1 (en) 2021-12-09 2022-12-06 An operating head for a tool for cleaning surfaces

Publications (2)

Publication Number Publication Date
EP4444151A1 EP4444151A1 (de) 2024-10-16
EP4444151B1 true EP4444151B1 (de) 2026-02-04

Family

ID=80448704

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22835884.2A Active EP4444151B1 (de) 2021-12-09 2022-12-06 Bearbeitungskopf für ein werkzeug zur reinigung von oberflächen

Country Status (4)

Country Link
EP (1) EP4444151B1 (de)
CN (1) CN118354706A (de)
IT (1) IT202100030908A1 (de)
WO (1) WO2023105405A1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050246850A1 (en) * 2002-08-28 2005-11-10 Kurt Robinson Hand held cleaning device and method of advertising at an entertainment event
IT1395704B1 (it) 2009-05-27 2012-10-19 Messina Attrezzo per la pulizia di superfici e metodo con il quale realizzarlo
KR100955526B1 (ko) * 2009-12-14 2010-04-30 주식회사 리빙휴 회전식 청소도구
US8272093B2 (en) * 2010-04-22 2012-09-25 Ying-Ching Wu Cloth disc assembly for mop

Also Published As

Publication number Publication date
EP4444151A1 (de) 2024-10-16
WO2023105405A1 (en) 2023-06-15
IT202100030908A1 (it) 2023-06-09
CN118354706A (zh) 2024-07-16

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