US20050011536A1 - Cleaning implement - Google Patents

Cleaning implement Download PDF

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Publication number
US20050011536A1
US20050011536A1 US10/797,237 US79723704A US2005011536A1 US 20050011536 A1 US20050011536 A1 US 20050011536A1 US 79723704 A US79723704 A US 79723704A US 2005011536 A1 US2005011536 A1 US 2005011536A1
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US
United States
Prior art keywords
mop head
cleaning
scrubbing
handle
cleaning implement
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.)
Abandoned
Application number
US10/797,237
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English (en)
Inventor
Paulus Hofte
Johannes Lambertus Mensink
Leonard Keller
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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 Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to US10/797,237 priority Critical patent/US20050011536A1/en
Assigned to PROCTER & GAMBLE COMPANY, THE reassignment PROCTER & GAMBLE COMPANY, THE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KELLER JR., LEONARD JOSEPH, HOFTE, PAULUS ANTONIUS AUGUSTINUS, MENSINK, JOHANNE LAMBERTUS MARIA
Publication of US20050011536A1 publication Critical patent/US20050011536A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G3/00—Attaching handles to the implements
    • B25G3/38—Hinged, pivoted, swivelling, or folding joints
    • 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
    • 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
    • A47L13/12—Implements with several different treating devices
    • 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
    • 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
    • A47L13/42—Details
    • 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
    • A47L13/42—Details
    • A47L13/44—Securing scouring-cloths to the brush or like body of the implement

Definitions

  • the present invention relates to cleaning implements suitable for cleaning hard surfaces.
  • the present invention also relates to tools, which can be removably attached to a cleaning implement for facilitating the cleaning of a hard surface.
  • the literature is replete with products capable of cleaning hard surfaces such as ceramic tile floors, hardwood floors, counter tops and the like.
  • cleaning floors with a cleaning solution numerous mopping devices and other cleaning implements are described which comprise a handle connected to a mop head.
  • the mop head of conventional cleaning implements include a sponge, a cloth or strings of absorbent material, which can be immersed in a bucket containing the cleaning solution in order to simultaneously spread the cleaning solution and then remove the soiled solution from the surface to be cleaned.
  • the user typically mixes a dose of a concentrated detersive solution with hot water into the bucket.
  • the use of a warm cleaning solution is beneficial to remove tough stains or grease off the floor surface.
  • Examples of such pad and implement are respectively the SWIFFER WETJET® absorbent cleaning pad which can be used with the SWIFFER WETJET® cleaning implement sold by The Procter & Gamble Company.
  • Other types of disposable absorbent cleaning pads or wipes are pre-impregnated with a cleaning solution and as such, can be used with cleaning implements which do not have a liquid delivery mechanism.
  • Examples of such pad and implement are respectively the SWIFFER WET® cleaning pad which can be used with the SWIFFER® cleaning implement sold by The Procter & Gamble Company.
  • the disposable absorbent pads or wipes of the modern cleaning implements are able to trap soils and bacteria, and, as a result, offer a more hygienic way to clean hard surfaces.
  • these modem cleaning implements are easy and convenient to use and also minimize the contact between the user and the soiled solution.
  • U.S. Pat. No. 6,085,378 to Petner granted Jul. 11, 2000, describes a retractable string mop having a scrubbing strip attached to the mop head of the implement.
  • the mop head of this implement is fixedly attached to a handle.
  • the user can retract the strings of absorbent material within a sleeve and then scrub the stain off the floor.
  • U.S. Pat. No. 6,178,581 to Lewis granted Jan. 30, 2001, describes a sponge mop (or butterfly mop) having a rectangular mop head fixedly connected to a handle such that the angle between the handle and the mop head is fixed.
  • a brush having a plurality of bristles is removably attached to the leading edge of the mop head.
  • the scrubbing member of these two “conventional” cleaning implements become soiled after only a few uses. If a user wishes to remove the scrubbing member from the mop head in order to rinse it, the user has to touch the soiled scrubbing member. In addition, these implements do not allow the user to use the scrubbing member independently from the implement without having to touch the bristles of the brush.
  • a scrubbing strip can be connected to one of the edges of the rectangular mop head of a cleaning implement.
  • the scrubbing strip is preferably connected to the mop head such that it does not contact the floor surface during the cleaning operation but can contact the floor surface when needed.
  • the mop head of this cleaning implement is pivotably connected to a handle in order to improve the maneuverability of the mop head during the cleaning operation.
  • the handle of this implement includes a liquid delivery mechanism which can be actuated by the user.
  • the scrubbing strip When for example, the scrubbing strip is located adjacent to the left edge of the mop head, a user can pivot the mop head such that the right portion of the mop head leans against the handle allowing the user to scrub the floor surface with the scrubbing member.
  • This implement does not allow the user to use the scrubbing member independently from the implement without having to touch the soiled scrubbing member.
  • the mop head since the mop head is pivotably, rather than fixedly, connected to the mop head, the mop head can swivel or tilt back and forth during the scrubbing operation and, as a result, can lead to a poor scrubbing performance.
  • a cleaning implement having a mop head pivotably connected to a handle, a cleaning tool such as a scrubbing tool connected to the mop head and a locking mechanism allowing the mop head to be temporarily maintained in a desired position during the scrubbing operation.
  • a cleaning implement for cleaning a hard surface comprises a handle, a mop head, wherein said mop head is connected to said handle and a cleaning tool, wherein said cleaning tool comprises a grip portion, a head portion connected to said grip portion and a scrubbing portion having a inner and an outer surface, wherein said inner surface is connected to said head portion and wherein said cleaning tool is removably connected to said mop head.
  • a cleaning implement for cleaning a hard surface comprises a handle, a mop head having a top and a bottom surface, a plurality of edges, wherein said mop head is pivotably connected to said handle via a universal joint having a first and a second rotational axis, a cleaning tool, wherein said cleaning tool is adjacent to one of said edges of said mop head and a locking mechanism for releasably locking said mop head relative to said handle.
  • a cleaning tool comprises a grip portion, a head portion having an outer surface, wherein said head portion is connected to said grip portion, and a scrubbing portion connected to said head portion, wherein said grip portion comprises a securing member for releasably securing said cleaning tool to the mop head of a cleaning implement.
  • FIG. 1 is an isometric view of a cleaning implement according to the present invention
  • FIG. 2 is a top view of a cleaning tool according to the present invention.
  • FIG. 3 is an isometric view of the cleaning tool of FIG. 2 ;
  • FIG. 4 is a side view of a cleaning tool
  • FIG. 5 is a side view of another cleaning tool
  • FIG. 6 is a side view of the cleaning tool of FIG. 4 with a cleaning implement during the scrubbing operation of a floor surface;
  • FIG. 7 is a side view of the cleaning tool of FIG. 5 with a cleaning implement during the scrubbing operation of a floor surface;
  • FIG. 8 is isometric view another cleaning tool
  • FIG. 9 is isometric view another cleaning tool
  • FIG. 10 is a partial isometric view of a cleaning implement having two cleaning tools
  • FIG. 11 is a partial isometric view of a cleaning implement having a locking mechanism
  • FIG. 12 is a partial isometric view of a cleaning implement having another locking mechanism
  • FIG. 13 is a partial isometric view of a cleaning implement having another locking mechanism
  • FIG. 14 is a partial isometric view of a cleaning implement having a lockable universal joint
  • FIG. 15 is an exploded view of the lockable universal joint of FIG. 14 ;
  • FIG. 16 is a front view of the lockable joint of FIG. 14 shown in an unlocked position
  • FIG. 17 is a front view of the lockable joint of FIG. 14 shown in a locked position
  • FIG. 18 is an exploded view another lockable universal joint which is lockable in two directions;
  • FIG. 19 is a partial isometric view of a cleaning implement having another lockable universal joint
  • FIG. 20 is an exploded view of the upper member of the universal joint of FIG. 19 ;
  • FIG. 21 is an isometric view of the upper member of the universal joint of FIG. 19 ;
  • FIG. 22 is a front view of the upper member of the universal joint of FIG. 19 ;
  • FIG. 23 is an isometric view of the lower member of the universal joint of FIG. 19 ;
  • FIG. 24 is an isometric view of the universal joint shown in FIG. 19 shown in an unlocked position
  • FIG. 25 is an isometric view of the universal joint shown in FIG. 19 shown in a locked position
  • FIG. 26 is a front cross-section view of the lower member of the universal joint of FIG. 19 ;
  • FIG. 27 is an isometric view of a disposable pad or wipe attached to the mop head of a cleaning implement.
  • the mop user requires a source of detersive liquid for application to the surface being cleaned by means of the mop head.
  • a source of liquid such as a bucket
  • wring-out the excess of liquid and then apply the mop head to the surface with sufficient force to dislodge soil therefrom.
  • the mop heads themselves, become dirty, unsanitary, unsightly and have to be removed and laundered.
  • conventional mops tend to redeposit soils and bacteria onto the floor surface and, as a result, are not optimal from an hygiene point of view.
  • Modern mopping implements employ disposable wipes or absorbent pads, which are releasably affixed to the head of the mopping implement, and which can conveniently be discarded and replaced after soiling. Even more modern implements carry their own reservoir of detersive liquid, thereby greatly enhancing their usefulness and convenience. In use, the liquid is dispensed onto the surface being cleaned via a liquid delivery mechanism.
  • the first problem faced by the manufacturer is that a scrubbing/abrasive tool needs to be releasably connected to the cleaning implement.
  • the scrubbing tool also needs to be designed such that it allows the user to use the scrubbing tool independently from the implement (such as for example to scrub areas which are difficult to reach when the scrubbing member is connected to the implement).
  • a user when a user wishes to remove tough stains with a scrubbing tool attached to a mop head pivotably connected to a handle, he or she needs to rotate the mop head such that the scrubbing surface is in contact with the stain and then rub the scrubbing surface against the stain.
  • the pulling and pushing actions of the user on the handle during the scrubbing operation can result in the swiveling or tilting of the mop head. This swiveling or tilting of the mop head renders the scrubbing operation less convenient and reduces the scrubbing performance.
  • a cleaning implement 10 comprising a removable cleaning tool 20 is represented.
  • the cleaning implement 10 comprises a handle 30 connected to a mop head 40 .
  • the handle 30 is pivotably connected to the mop head 40 via a universal joint 130 as it is well known in the art.
  • the cleaning implement 10 can be used to clean a hard surface when a cleaning pad or wipe (not shown) is attached about the mop head.
  • Optional but preferred features of the cleaning implement 10 are detailed in section III in greater details.
  • a removable cleaning tool 20 is represented
  • the cleaning tool 20 comprises a grip portion 120 connected to a head portion 220 .
  • the grip portion is preferably ergonomically designed such that it fits a user's hand.
  • the grip portion 120 has a length Lg between about 10 mm and about 120 mm, preferably between about 40 mm and about 80 mm and a width Wg between about 10 mm and about 100 mm, preferably between about 20 mm and about 50 mm.
  • the head portion 220 has a length Lh between about 10 mm and about 50 mm, preferably between about 15 mm and about 30 mm and a width Wh between about 20 mm and about 140 mm, preferably between about 70 mm and about 120 mm.
  • the cleaning tool 20 comprises a scrubbing portion 320 which is connected to the outer surface 1220 of the head portion 220 .
  • scrubbing portion it is meant any material or feature capable of loosening soils from a hard surface when the scrubbing portion is rubbed against the soil.
  • the scrubbing portion 320 is made of a strip of abrasive or scouring material.
  • the length Ls of the scrubbing portion 320 is between about 20 mm and about 140 mm, preferably between about 70 mm and about 125 mm, its width Ws is between about 10 mm and about 50 mm, preferably between about 15 mm and about 35 mm and its thickness Ts is between about 1 mm and about 20 mm, preferably between about 2 mm and about 10 mm.
  • the scrubbing portion(s) typically used herein are composed of materials often used for making scouring pads. Such materials are typically composed of polymer blends with or without specific abrasives.
  • Typical polymers used include nylon, polyester and polypropylene or blends thereof.
  • Nylon is the most preferred material since it provides greater stiffness and durability versus polyester and polypropylene.
  • abrasive materials can be combined with the polymers.
  • 3M Scotch Brite® scouring pads are composed of nylon fibers combined with silicon carbide and/or aluminum oxide and/or calcium carbonate as abrasives.
  • Another suitable scrubbing material is the GLIT® MICROTRON® manufactured by The Katy Company.
  • the abrasive level and type can be adjusted accordingly.
  • the adhesive scrubbing strips can be composed of only polymer or polymer blends combined with binders or curing adhesives without any abrasives.
  • the size as well as the “hardness” (or degree of abrasiveness) of the abrasive material are selected in order to prevent that the hard surface is damaged during the scrubbing operation.
  • the head portion 220 is connected to the grip portion 120 such that the angle ⁇ between the top surface of the grip portion 120 and the head portion 220 is between about 10 and about 80 degrees, preferably between about 25 and about 65 degrees, more preferably between about 35 and about 55 degrees and even more preferably equal to about 45 degrees.
  • the head portion 220 is connected to the grip portion 120 such that the angle ⁇ ′ between the top surface of the grip portion 120 and the head portion 220 is between about 100 and about 170 degrees, preferably between about 115 and about 155 degrees, more preferably between about 125 and about 145 degrees and even more preferably equal to about 135 degrees.
  • the outer portion of the head portion 320 is substantially flat. In a preferred embodiment, the outer surface of the head portion is curved.
  • the grip portion 120 of the tool is substantially parallel to the top surface of the mop head 40 which is itself substantially parallel to the floor surface. Consequently, during a normal cleaning operation (i.e. when the bottom surface of the mop head is used to wipe the floor as shown in FIG. 1 ), the angle between the floor surface and the head portion 220 is substantially equal to the angle between the grip portion 120 and the head portion 220 .
  • a user can scrub the floor surface without having to remove the pad or wipe (not shown for clarity) by pivoting the mop head against the handle such that the head portion faces the floor (i.e. by holding the handle at an angle between about 20 and 70 degrees relative to the floor surface) as shown in FIG. 6 .
  • a user can scrub the floor surface without having to remove the pad or wipe (not shown for clarity) by pivoting the mop head against the handle and then rotating the handle of about 180 degrees about the longitudinal axis of the handle such that the head portion faces the floor (i.e. by holding the handle at an angle between about 20 and 70 degrees relative to the floor surface) as shown in FIG. 7 .
  • the cleaning tool 20 can be made of any suitable material such as metal, wood, plastic(s).
  • the cleaning tool is made of Acrylonitrile-Butadiene-Styrene polymer and is molded as it is well know in the art.
  • a scrubbing kit can be sold to consumers which include a cleaning tool 20 and/or at least two strips of abrasive material having different “hardness” characteristics.
  • each strip of abrasive material conveys information to the user indicating on what type of surface they can be “safely” used. Such information can be conveyed to the consumer by printing directly onto the abrasive strip the name of the surface and/or by using a color code. For example the color brown and white can indicate that it is safe to use the strip of abrasive material respectively on hardwood floors and ceramic tiles.
  • the strip of scrubbing material is impregnated with a dye which gradually fades due to the friction between the strip and the hard surface in order to inform the user that it is time to replace the abrasive strip.
  • a suitable dye include indigotine as disclosed in U.S. Pat. No. 4,802,255, to Breuer et al., which describes nylon monofilaments that include at least two colored regions, one of which is provided by a dye. The monofilaments are included in the bristles of toothbrushes and, as the toothbrush is used by the user, the color intensity of the dyed region changes in response to wear, providing an indication of when the toothbrush should be replaced.
  • the scrubbing portion 320 can be either permanently or releasably attached to the head portion 220 of the cleaning tool 20 .
  • permanently attached it is meant that the strip is torn if a user attempts to remove it from the head portion 220 .
  • the scrubbing portion 320 can be permanently attached to the head portion 220 via any know process in the art such as heat bonding sewing, screwing or riveting, slided in place within a channel or via an adhesive.
  • releasably attached it is meant that a user can easily remove the scrubbing portion 320 without excessive force and without substantially deteriorating the head portion 220 and/or the scrubbing portion.
  • the scrubbing portion 320 can be releasably attached to the head portion 220 via a pressure sensitive adhesive.
  • the pressure sensitive adhesive is preferably selected such that the scrubbing portion 320 can be easily peeled off the head portion (due to the local shear force applied by the user on the strip) but maintains the strips connected to the head portion 220 during the scrubbing operation (since the frictional force is applied to a greater area of the strip).
  • the scrubbing strip 320 is releasably attached to the head portion 220 via hook fasteners extending outwardly from the head portion 220 .
  • Non-limiting examples of hook fasteners include VEL LOCKTM manufactured by the Velcro Industries and the AX 220 from the Aplix Inc.
  • a plurality of hooks can be formed on the head portion during the manufacturing process.
  • a strip of hook fasteners 1220 is attached to the head portion 220 such that the hooks extend from the head portion 220 .
  • a user can easily attach a strip of fibrous scrubbing material as it is well know in the art.
  • the angle between the outer surface of the strip 320 and the grip portion 120 or the floor surface is the same as the angle between the head portion 220 and the grip portion 120 or the floor surface.
  • the scrubbing portion 320 is a brush comprising a plurality of bristles 1320 .
  • the length of the brush is between about 20 mm and about 140 mm, preferably between about 70 mm and about 125 mm, its width is between about 10 mm and about 50 mm, preferably between about 15 mm and about 35 mm and the length of its bristles is between about 3 mm and about 40 mm, preferably between about 5 mm and about 15 mm.
  • the bristles of the brush have a length of at least about 1 mm, preferably at least about 5 mm, more preferably at least about 10 mm.
  • the length of the bristles of the brush less than about 100 mm, preferably less than about 50 mm, more preferably less than about 30 mm.
  • Such bristles are typically composed of polymer or polymer blends, with or without abrasives.
  • bristles made of nylon again are preferred because of rigidity, stiffness, and/or durability.
  • a preferred nylon bristle is commercially available from 3M Corp. under the trade name TynexTM 612 nylon. These bristles show less water absorption versus commercial Nylon 66. Reducing the ability of the bristles of the brush to absorb water is beneficial since water absorption decreases bristle stiffness and recovery while impacting scrubbing ability.
  • Non-limiting examples of materials suitable to make the bristles of the brush include Nylon 66, polyester, Polypropylene, cotton, brass, cocoa, or any combination thereof.
  • a brush having a plurality of bristles is capable of reaching and loosening soil lodged within grout lines and the like, or more generally within the asperities of uneven surfaces.
  • the hardness of the bristles i.e. their ability to flex or bend when compressed
  • the length and thickness of the bristles should be chosen to provide good loosening of the soil without causing substantial damage to the hard surface being brushed.
  • a scrubbing kit can include at least two brushes having different characteristics depending on the kind of surface in need of scrubbing.
  • the brush can also be permanently or releasably attached to the head portion as previously discussed.
  • the bristles can be affixed on a substrate which can be releaseably attached to the outer surface of the head portion of the scrubbing tool.
  • the bristles of the brush can be coated with a dye as previously discussed such that color intensity of the dyed region changes in response to wear, providing an indication of when the brush should be replaced.
  • a cleaning tool 20 is removably attachable to the cleaning implement 10 , preferably to the mop head 40 of the implement as shown in FIG. 1 .
  • the cleaning tool 20 is releasably secured to the top surface of the mop head 40 such that the grip portion 120 and/or the head portion 220 is elevated relative to the top surface of the mop head 40 .
  • elevating the cleaning tool 20 and as a result the scrubbing portion 320 reduces the possibility for the attachment layer of a cleaning pad or wipe (not shown) to get in contact and/or entangled with the scrubbing portion 320 .
  • This configuration is particularly advantageous when the pad or wipe is releasably attached about the mop head 40 of the cleaning implement via mechanical means, such as attachment structures 340 , located on the top surface of the mop head.
  • the distance between the bottom surface of the grip portion 120 and the top surface of the attachment structures 340 along the Z axis is between about 3 mm and about 30 mm, preferably, between 5 mm and 20 mm, more preferably between about 10 mm and about 15 mm.
  • a cleaning tool 20 is removably attached to the mop head 40 such that the scrubbing portion 320 is not in contact with the hard surface during a “regular” cleaning operation (i.e., when the implement is used with a pad or wipe in the configuration shown shown in FIG. 1 ).
  • the cleaning tool 20 is attached to the top surface of the mop head such that the head portion 220 is adjacent to one of the edges of the mop head 40 .
  • the head portion 220 is adjacent to one of the side edges 140 A or 140 B of the mop head.
  • a user can remove tough stains by rotating the mop head such that the scrubbing portion 320 faces the floor surface. The user can then scrub the stain off the floor surface by wiping back and forth the scrubbing portion 320 against the stain.
  • some cleaning solution is preferably applied onto the stain before the scrubbing operation. Once the soils are loosened, the user can simply absorb the soiled solution with the absorbent cleaning pad or wipe.
  • the cleaning tool 20 can be releasably attached to the top surface of the mop head via any method known in the art.
  • cleaning tool 20 comprises a securing mechanism for maintaining the cleaning tool 20 attached to the mop head 40 during the cleaning and scrubbing operations.
  • suitable securing mechanism include a strap of elastic material connected at both ends to the mop head to maintain the grip portion 120 in between the elastic strap and the mop head; a pair of straps which can be removably secured to each other via hook and loop fasteners, a projection (or clip) located at the bottom surface of the grip portion 120 for engaging a corresponding opening located on the top surface of the mop head (or vice versa); at least two projections extending from the top surface of the mop head such that the width Wg of the grip portion 120 is slightly greater than the distance between the two projection and can be forced fit in between these two projections; hook fasteners located at the bottom surface of the grip portion for mechanically engaging corresponding loop fasteners located on the top surface of the mop head (or vice versa); a pressure sensitive adhesive applied on the bottom surface of the grip portion; magnet(s) located
  • the grip portion 120 comprises at least one projection 1120 resiliently extending from the top surface of the grip portion 120 .
  • the resilient property of the projection 1120 can be obtained via any method known in the art such as by cutting slits on the top surface of the grip portion 120 around a portion of the projection 1120 or by adding a spring mechanism in the form of a push-button.
  • the grip portion 120 can be inserted on the side of the mop head through a first opening which is sufficiently large to receive the grip portion 120 .
  • the mop head also comprises a second opening extending through the top portion of the mop head and positioned such that when the projection 1120 reaches the second opening, the projection extends through at least a portion of the second opening and maintains the cleaning tool 20 attached to the mop head.
  • a user can remove the cleaning tool by simultaneously depressing the projection 1120 and pulling the cleaning tool 20 out of the mop head.
  • the projection 1120 can also be located on one of the side surface of the grip portion 120 such that it can extend through a corresponding opening located on the side surface of the mop head and still provide the same benefits.
  • the cleaning tool 20 comprises a male portion 125 connected to the bottom surface of the grip portion 120 for engaging a corresponding female portion 240 on the mop head 40 as shown in FIG. 10 .
  • a user can simply attach or remove the cleaning tool 20 from the mop head 40 by inserting the male portion 125 within the female portion 240 or by pulling on the grip portion 120 and/or the hard portion 220 in order to pull the male portion out of the female portion 240 .
  • the male portion 125 comprises a first leg 1125 and a second leg 2125 .
  • the female portion 240 is formed by slits 1240 , 2240 corresponding the first and second legs 1125 , 2125 .
  • the first leg 1125 is connected to the bottom surface of the grip portion 120 such that it is substantially perpendicular to the bottom surface of the grip portion 120 (i.e., within the X-Z plane).
  • the second leg 2125 is connected to the first leg 1125 such that the first and second legs are located in different planes. In a preferred embodiment (shown in FIG. 3 ), the second leg 2125 is substantially perpendicular to the first leg 1125 (i.e., the second leg is located within the X-Y plane).
  • the only movement possible of the cleaning tool 20 is along the X axis.
  • the frictional forces between the legs 1125 and 2125 and the mop head are preferably enough to overcome the weight of the cleaning tool 20 .
  • the cleaning tool 20 remains attached to the mop head until the user overcomes these frictional forces to pull the cleaning tool 20 out of the slits 240 .
  • the invention is directed to a cleaning implement having a handle pivotably connected to a mop head via a universal joint.
  • universal joint it is meant any joint known in the art which comprises at least two rotational axis allowing the mop head to swivel when a user rotate the handle.
  • the cleaning implement comprises a cleaning tool such as the one previously described.
  • the cleaning implement comprises a locking mechanism for releasably maintaining the mop head against the handle, as well as for temporarily preventing the rotation of the mop head about at least one of the rotational axis of the universal joint.
  • a locking mechanism for releasably maintaining the mop head against the handle, as well as for temporarily preventing the rotation of the mop head about at least one of the rotational axis of the universal joint.
  • This swiveling or tilting of the mop head during the scrubbing operation is due to the friction between the scrubbing portion of the scrubbing tool as well as the ability of the mop head to pivot relative to the handle because of to the universal joint and.
  • This swiveling or tilting of the mop head during the scrubbing operation limits the scrubbing performance of the implement and renders the scrubbing operation less convenient.
  • the ease of use of the implement, as well as its scrubbing performance are enhanced when the mop head is releasably maintained or locked substantially against the handle during the scrubbing operation as previously shown in FIGS. 6 and 7 .
  • the locking mechanism comprises a first structure located on the mop head and capable of interacting with the handle and/or a second structure located on the handle.
  • a locking mechanism 61 comprises a clip structure 161 having a first arm 1161 and a second arm 2161 .
  • the clip 161 which is connected to the top surface of the mop head 41 .
  • the clip structure 161 is located on the top surface of the mop head 41 such that it is on the half portion of the mop head 41 relative to the handle 31 which is facing the edge of the mop head 41 where a cleaning tool 21 is located.
  • the clip 161 is preferably adjacent to the right side edge of the mop head 41 .
  • the locking mechanism 61 comprises a protrusion 261 extending radially from the handle and which can engage a corresponding opening 141 on the mop head 41 .
  • the protrusion 261 and corresponding opening 141 are preferably located respectively on the handle and the mop head such that the opening 141 is located on the half portion of the mop head 41 relative to the longitudinal axis of the handle which is opposite to the half portion of the mop head having the scrubbing tool 21 .
  • the protrusion 261 can be located on the top surface of the mop head and the opening 141 can be located on the handle and still provide the same benefits.
  • the locking mechanism 61 comprises a magnet 241 connected to the top surface of the mop head 41 which is magnetically attachable to a piece of ferrous material 361 connected to the handle 31 .
  • the piece of ferrous material 361 and the magnet 241 are preferably located respectively on the handle and the mop head such that the magnet 241 is located on the half portion of the mop head 41 relative to the handle which is opposite to the half portion of the mop head having the scrubbing tool 21 .
  • One skilled in the art will understand that the location of the magnet and the piece of ferrous material 361 can be inverted and still provide the same benefit.
  • the piece of ferrous material 361 can be replaced by a second magnet as long as the location of the first magnet on the mop head and the second magnet on the handle as well as the orientation of their respective magnetic poles cause the mop head to be maintained against the handle.
  • a piece of ferrous material 361 is not necessary of the handle 31 itself is made of a ferrous material.
  • the piece of ferrous material is a plate of metal comprising a suitable amount of iron.
  • a cleaning implement has a plurality of cleaning tool such as any of the tools previously discussed which can be adjacent to different edges of the mop head 41 .
  • the cleaning implement can have a plurality of locking mechanisms in order to temporarily maintain the mop head in a chosen position in order to selectively use one of the cleaning tools.
  • the locking mechanism is integrated into the universal joint of the cleaning implement.
  • the cleaning implement 11 (shown without the upper portion of the handle for clarity) has the universal joint 51 which includes an upper member 151 rotatably connected to a lower member 251 about a rotational axis A-A.
  • the upper member 151 is connected to the lower end of the handle and the lower member 251 is rotatably connected to the mop head 41 preferably adjacent to the center of the top surface of the mop head 41 such that it can rotates about a rotational axis B-B.
  • the rotational axis A-A and B-B are located in different planes.
  • the rotational axis A-A is substantially perpendicular to the rotational axis B-B.
  • the upper member 151 of the universal joint 51 has a first support portion 1151 and a second support portion 2151 which are located in between a first support portion 1251 and a second support potion 2251 of the lower member 251 .
  • the first support portion 1251 of the lower member 251 has a lip portion 3251 for engaging a corresponding lip portion 3151 formed on the upper member 151 .
  • the second support portion 2251 of the lower member 251 has a lip portion 4251 for engaging a corresponding lip portion (not shown) formed on the upper member 151 .
  • at least the lower member 251 of the universal joint 51 is made of a partially deformable material having good elastic properties.
  • good elastic properties it is meant that this material recovers substantially its original shape when pressure ceases to be applied.
  • the upper member 151 is rotated such that the projection 3151 passes beyond the projection 3251 , the friction between the projection 3151 and projection 3251 prevents the upper member 151 from rotating back about the rotational axis A-A until enough force is applied directly or indirectly by a user to overcome the friction.
  • the lower member 251 is rotatably connected to the mop head 41 such that the rotational axis B-B is substantially parallel to longitudinal axis C-C of the mop head.
  • the mop head 41 comprises a cleaning tool 21 connected to one of the side edges of the mop head 41
  • the lip portion(s) 3251 is(are) preferably located on the side of the lower member 251 such that it is “facing” the side edge of the mop head which does not have the cleaning tool 11 .
  • the angle ⁇ between the line intersecting the rotational axis A-A and including the tip of the lip portion 3251 and the longitudinal axis of the handle is between about 30 and 120 degrees, preferably between 50 and 110 degrees, more preferably between 70 and 100 degrees.
  • the user can rotate the handle and/or the mop head about the rotational axis A-A such that the lip(s) located on the lower member 251 engages and passes the lip(s) 3151 located on the upper member 151 of the universal joint 51 as shown in FIG. 17 .
  • the position of the mop head 41 relative to the handle in a locked position depends on the angle ⁇ .
  • the second support portion 2251 comprises a lip portion 4251 for engaging a second corresponding lip portion (not shown) formed on the upper member 151 .
  • the lip portions 3251 and 4251 are located on the same side of the lower member 251 relative to the plane perpendicular to the rotational axis B-B (as previously shown in FIG. 15 ).
  • the amount of force needed to lock and/or unlock the universal joint 51 depends on the extent the corresponding lip portions 3151 and 3251 overlap but also on the type of material chosen to make the lower and/or upper member 151 and 251 .
  • the lower member 251 has a first and a second lip portion 3251 , 4251 for engaging a first corresponding lip portion 3151 and a second corresponding lip portion (not shown) formed in the upper member 151 such that the first and second lip portions 3251 and 4251 are located on opposite sides of the lower member 251 relative to the plane perpendicular to the rotational axis B-B.
  • both lip portions 3251 and 4251 are located on the first support member 1251 .
  • the first lip portion 3251 is located on the first support 1251 member and the second lip portion 4251 is located on the second support member 2251 .
  • a cleaning implement includes two cleaning tools 21 connected to opposite side edges of the mop head such that a user can selectively use either one of these cleaning tools by rotating and locking the mop head relative to the handle (or the handle relative to the mop head).
  • the first cleaning tool is a scrubbing tool as previously described and the second cleaning tool can be either a scrubbing tool as previously discussed (i.e., scrubbing strip or brush) or a squeegee and/or carry an absorbent material.
  • the cleaning implement 12 (shown without the upper portion of the handle for clarity) has the universal joint 52 , which includes an upper member 152 rotatably connected to a lower member 252 about a rotational axis A-A.
  • the upper member 152 is connected to the lower end of the handle and the lower member 252 is rotatably connected to the mop head 42 such that it can rotates about a rotational axis B-B as previously discussed.
  • the universal joint is adjacent to the centered portion of the top surface of the mop head 42 .
  • the upper member 152 of the universal joint has a first support portion 1152 and a second support portion 2152 which are located in between a first support portion 1252 and a second support potion 2252 of the lower member 252 (shown in FIG. 23 ).
  • the first support portion 1152 includes a groove 3152 for receiving a pin 62 extending beyond the groove 3152 .
  • the pin 62 is preferably at least partially deformable and is made of a material having good elastic properties. In a preferred embodiment, the pin is made of spring-steel.
  • the first support portion 1152 also includes a recess 4152 having an arc shape and which is adjacent to the outer edge of the first support portion 1152 .
  • the recess 4152 has a semi-circular shape. As previously discussed, a segment of the pin 62 extends beyond the groove 3152 and within the recess 4152 such that the pin 62 divides the recess 4152 into a first and a second portion 4152 A and 4152 B (shown in FIG. 22 ). In one embodiment, the pin 62 can “flex” within the recess 4152 .
  • the inner surface of the first support portion 1252 of the lower member 252 includes a projection 72 extending towards the second support portion 2252 of the lower member 252 .
  • the projection 72 has generally a dome shape. This projection 72 can be formed during the molding process of the lower member 252 or can be formed independently and then attached to the support portion 1252 .
  • the upper member 152 is rotatably connected to the lower member 252 to form the universal joint 52 , part of the projection 72 is located within the recess 4152 .
  • the upper and lower members 152 and 252 can rotate freely about the rotational axis A-A when the projection 72 is located within the first portion 4152 A until the pin 62 abuts the projection 72 .
  • the universal joint 52 is shown in the “unlocked” position in FIG. 24 . Since the pin is made of deformable material, one skilled in the art will understand that when enough pivoting force is applied on the handle and/or the mop head, the pin 62 is able to pass over the projection 72 . When the pin 62 passes over the projection 72 , the projection 72 is “trapped” within the second portion 4152 B (i.e., in between the pin 62 and the end of the recess 4152 ), as shown in FIG. 25 , and, as a result, the universal joint 52 is locked. The universal joint 52 remains locked until enough pivoting force is applied on the handle and/or mop head such that the projection 62 returns within the first portion 4152 A.
  • the “locking” angle between the handle and the rotational axis B-B is determined by the location of the projection 72 on the inner surface of the first support portion 1252 of the lower member 252 .
  • the angle ⁇ (shown in FIG. 26 ) between the line which is orthogonal to the rotational axis A-A and located within the plane of the inner surface of the first support portion 1252 and the line which is orthogonal to the rotational axis A-A and which includes the center of the projection 72 is at least about 60 degrees, preferably between about 75 and about 110 degrees, more preferably between about 85 and about 100 degrees.
  • the projection 72 is located on the inner surface of the support portion 1252 such that the angle ⁇ is less than about 60 degrees, the handle will abut against the edge of the mop head before the pin 62 has had a opportunity to “jump” over the projection 72 .
  • the pin 61 can be made of a substantially rigid material and the projection 72 can be made of a partially deformable material and still provide the same benefits.
  • the projection 72 can also be resiliently attached to the support portion 1252 and include a spring-loaded mechanism (such as a ball and spring mechanism.
  • the second support portions 2152 and 2252 also include a groove, a pin, a recess and a projection as previously described such that the universal joint is lockable in a second position as previously discussed.
  • this lockable universal joint is used to pivotably connect a handle to a mop head including two cleaning tools 21 connected to opposite side edges of the mop head, a user can selectively use either one of these cleaning tools by rotating and locking the mop head relative to the handle.
  • locking mechanisms previously described are that they reduce the storage space of the implement when the mop head is maintained against the handle.
  • the implement can be stored such that only one of the edges of the mop head, rather than its bottom surface, is in contact with the floor.
  • a user can also very simply hang the implement with the mop head maintained against the handle and, consequently, save some storage space.
  • the previously described cleaning tools and locking mechanisms can be used with either a cleaning implement carrying a reservoir of cleaning solution connected to a liquid delivery mechanism or with a cleaning implement which does not have a liquid delivery mechanism.
  • the liquid delivery mechanism can be any mechanism known in the art.
  • Non-limiting examples of liquid delivery mechanism include electrically power pump, pressurized hand pump, aerosol mechanisms or gravity mechanism, such as the ones described in International patent application serial No. WO 01/22861, to Kunkler et al., published Apr. 5, 2001, in International patent application Serial No. WO 00/27271, to Policicchio et al., published May 18, 2000, in U.S. Pat. No. 5,779,155 to Ping et al., granted Jul. 14, 1998, and in copending U.S. patent application Ser. No. 60/409,263 to Hofte et al filed Sep. 9, 2002, all assigned to The Procter & Gamble Company.
  • the liquid delivery mechanism is preferably in fluid communication with a nozzle connected to the implement and which is preferably located on the top surface of the mop head.
  • the liquid delivery mechanism can be actuated by a user by pulling or pushing on a trigger member which is preferably located on the upper portion of the handle.
  • cleaning implements which carry a reservoir filled with a cleaning solution are preferably used with substantially dry absorbent cleaning pads and/or wipes.
  • a disposable pad releasably attached to the substantially rectangular mop head of a cleaning implement is represented in FIG. 27 .
  • An absorbent cleaning pad or wipe 70 can be removably attached about the mop head of the implement such that it is in contact with the floor surface during the cleaning operation.
  • the absorbent pad and/or wipe can be releasably attached about the mop head via any mechanism know in the art.
  • Non-limiting examples of such mechanisms include grippers (shown in FIG. 10 ) located on the top surface of the mop head which comprises a plurality of pie-shaped structures as described in U.S. Pat. No.
  • the disposable pad or wipe when a disposable pad or wipe is attached to attachment structures located on the top surface mop head and when the mop head includes a nozzle 80 for dispensing the cleaning solution which is adjacent to the front edge of the mop head, the disposable pad or wipe preferably comprises a notch 170 on at least one of the edges of the pad or wipe, preferably on both the front and back edges of the pad 70 .
  • the notch allows the nozzle to dispense the cleaning solution on the hard surface without being obstructed by the pad or wipe.
  • the use of such a notch is disclosed in International Patent Application Serial No. WO 00/27271, to Policicchio et al., published May 18, 2000.
  • the substantially dry absorbent cleaning pad and/or wipe can be made of any absorbent material known in the art and preferably include a superabsorbent material as described in International patent application Serial No. WO 00/27271, to Policicchio et al., published May 18, 2000 or in U.S. patent application Ser. No. 60/423,484 to Policicchio et al., filed Nov. 4, 2002, all assigned to The Procter & Gamble Company.
  • suitable cleaning pad include the SWIFFER WETJET® cleaning pad sold by The Procter & Gamble Company, the CLOROX READY-MOP® cleaning pad sold by The Clorox Company or the GRAB-IT GO-MOPTM cleaning pad sold by The S.C. Johnson Company.
  • the previously described cleaning tools and lockable mechanisms can also be used with cleaning implements which do not include a liquid delivery mechanism.
  • An example of such an implement is the SWIFFER® cleaning implement sold by The Procter & Gamble Company.
  • This type of implement can either be used with a substantially dry absorbent pad and/or wipe as previously discussed but it is preferably used with a pre-moistened cleaning pad and/or wipe.
  • pre-moistened pads/wipes are the SWIFFER WET® cleaning pad sold by the Procter and Gamble Company and the Pledge Grab-itTM Wet Floor Wipes sold by The S.C. Johnson Company. Suitable pre-moistened cleaning wipes/pads are described in U.S. patent application Ser. No.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
US10/797,237 2003-03-11 2004-03-10 Cleaning implement Abandoned US20050011536A1 (en)

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US45361003P 2003-03-11 2003-03-11
US10/797,237 US20050011536A1 (en) 2003-03-11 2004-03-10 Cleaning implement

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JP (1) JP2006513833A (es)
CN (1) CN1758869A (es)
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WO2004080265A2 (en) 2004-09-23
JP2006513833A (ja) 2006-04-27
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CA2518441A1 (en) 2004-09-23
CN1758869A (zh) 2006-04-12
MXPA05009657A (es) 2005-10-20

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