WO2015164877A1 - Dispositifs de nettoyage à positions multiples - Google Patents

Dispositifs de nettoyage à positions multiples Download PDF

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Publication number
WO2015164877A1
WO2015164877A1 PCT/US2015/027828 US2015027828W WO2015164877A1 WO 2015164877 A1 WO2015164877 A1 WO 2015164877A1 US 2015027828 W US2015027828 W US 2015027828W WO 2015164877 A1 WO2015164877 A1 WO 2015164877A1
Authority
WO
WIPO (PCT)
Prior art keywords
blade
handle
holder
cleaning device
carriage
Prior art date
Application number
PCT/US2015/027828
Other languages
English (en)
Inventor
Anthony Sgroi
Paul Adams
Original Assignee
Unger Marketing International, Llc
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
Priority claimed from US29/489,097 external-priority patent/USD732288S1/en
Priority claimed from US29/489,094 external-priority patent/USD779143S1/en
Application filed by Unger Marketing International, Llc filed Critical Unger Marketing International, Llc
Publication of WO2015164877A1 publication Critical patent/WO2015164877A1/fr

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
    • A47L13/02—Scraping
    • A47L13/08—Scraping with scraping blades
    • 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
    • A47L13/02—Scraping
    • A47L13/022—Scraper handles
    • 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

Definitions

  • the present disclosure is related to cleaning devices such as cleaning devices for windows, including scrapers. More particularly, the present disclosure is related to cleaning devices that can be secured in one of a number of different angular positions.
  • Cleaning devices such as scrapers are often used to scrape a window or other hard, flat surfaces to remove debris from the surface.
  • window scrapers these devices generally have a handle or gripping portion and a blade, typically made of metal.
  • the scrapers are used in various commercial and residential applications such as, but not limited to, window cleaning, paint removal, gum removal, label removal, and others.
  • the metal blade is often replaceable in such scrapers to ensure a sharp edge is presented to the surface being cleaned.
  • the ease of replacement of the metal blade can be important features for such devices.
  • the users can attach the window cleaning device to an extension handle or pole.
  • a device with a blade that is angled with respect to the handle is required to provide the desired angle of incidence of the blade with respect to the surface.
  • the devices are used without extension handles or poles, the devices have a blade that is not angled with respect to the handle to provide the desired angle of incidence of the blade with respect to the surface.
  • users of prior art window cleaning devices have been required to carry two different devices - one for hand use and one for pole use.
  • Multi-positional cleaning devices have a handle, a blade holder, and a pivoting assembly.
  • the pivoting assembly allows the handle and blade holder to be pivoted with respect to one another about a pivot axis to at least two predetermined angular positions.
  • the pivot axis is parallel to an edge of the blade.
  • Multi-positional cleaning devices are provided that find use with a blade
  • Multi-positional cleaning devices find use with a holder that has a spring clip that removably retains a handle of the holder and includes a holster to retain the blade.
  • the holster includes one or more guides that mitigate blade dulling and scarring of the holster.
  • the pivoting assembly includes a boss extending from the holder, the boss having a through hole and two catch members, each catch member defining one of the two predetermined angular positions.
  • the handle further includes a through hole perpendicular to the handle axis, the pivot axis being defined through a connector positioned in the through holes of the boss and the handle.
  • the pivoting assembly further includes a locking button having a catch member and a biasing spring, the biasing spring acting on the handle to normally bias the catch member to a locked position into engagement with one of the two catch members of the boss to secure the pivoting assembly in one of the two predetermined angular positions.
  • the locking button is slideably received in a channel defined in handle between the locked position and an unlocked position in which the catch member is not biased into engagement with either of the two catch members.
  • the pivoting assembly further includes a pair of caps secured to handle, each cap of the pair of caps concealing opposing ends of the connector.
  • the locking button has two catch members such that, in the locked position, the two catch members of the locking button surround one the two catch members of the boss.
  • the two catch members of the locking button when in the locked position, abut four surfaces of the boss, the four surfaces comprising opposing sides of the one of the two catch members of the boss that is surrounded, a facing surface of the catch member of the boss that is not surrounded, and a remaining edge of the boss.
  • the boss includes a metallic insert that is co-molded into the blade holder.
  • the holder includes acrylonitrile butadiene styrene and the metallic insert of the boss includes a material selected from the group consisting of zinc die cast, aluminum die cast, machined steel, and machined aluminum.
  • the blade subassembly further includes a carriage, the blade and the carriage including at least one cooperating feature that ensure that the blade is positioned on the carriage in a desired orientation and position.
  • the at least one cooperating feature includes a protrusion depending from the carriage and an opening through the blade.
  • the blade holder includes a slot having an open end on a first edge and a closed end at an opposite edge, the open end receiving the protrusion of the carriage so that the subassembly slides within the blade holder until the protrusion abuts the closed end.
  • the carriage further includes a flexible tang, which secures the carriage in the blade holder when the carriage is at a position close to a maximum insertion position.
  • the tang includes an edge that prevents withdrawal of the carriage from the holder when the tang is in an un-deflected position but allows withdrawal of the carriage from the blade holder when the tang is in a deflected position.
  • the blade holder includes a slot having an open end on a first edge and a closed end at an opposite edge and the carriage includes a protrusion, the open end receiving the protrusion of the carriage so that the carriage slides within the blade holder until the protrusion abuts the closed end.
  • the carriage further includes a flexible tang, which secures the carriage in the blade holder when the carriage is at a maximum insertion position.
  • the tang includes an edge that prevents withdrawal of the carriage from the holder when the tang is in an un-deflected position but allows withdrawal of the carriage from the blade holder when the tang is in a deflected position.
  • a multi-positional cleaning device includes a scraper blade, a blade carriage, and a blade holder.
  • the scraper blade has a cleaning edge and an opening through the blade.
  • the blade carriage has a first protrusion and a second protrusion.
  • the first protrusion extends through the opening when the blade is positioned on carriage in a desired orientation and position.
  • the blade holder has a first slot and a second slot, each having an open end on a first edge and a closed end at an opposite edge.
  • the open end of the first slot receives the first protrusion of the blade carriage so that the blade carriage slides within the blade holder until the first protrusion abuts the closed end of the first slot.
  • the open end of the second slot receives the second protrusion of the blade carriage so that the blade carriage slides within the blade holder until the second protrusion abuts the closed end of the second slot.
  • the blade carriage further includes a flexible tang with an edge that prevents withdrawal of the blade carriage from the blade holder when the tang is in an un-deflected position but allows withdrawal of the blade carriage from the blade holder when the tang is in a deflected position.
  • FIG. 1 is a perspective view of an exemplary embodiment of a cleaning device according to the present disclosure
  • FIG. 2 is an exploded perspective view of the device of FIG. 1;
  • FIG. 3 is a partial perspective view of the device of FIG. 3 illustrating a portion of a pivoting assembly
  • FIG. 4 is a perspective view of a locking button of the pivoting assembly of FIG. 3;
  • FIG. 5 is a first perspective view of a handle of the device of FIG. 1;
  • FIG. 6 is a second, opposite perspective view of the handle of FIG. 1;
  • FIG. 7 is a top perspective view of the handle of FIG. 1;
  • FIG. 8 is a partial front view of the device of FIG. 1 with certain portions omitted to illustrate the locking button in a first or locked position;
  • FIG. 9 is a partial front view of the device of FIG. 8 illustrating the locking button in a second or unlocked position;
  • FIG. 10 is a perspective view of a blade subassembly of the device of FIG. 1;
  • FIG. 11 is a perspective view of a blade of the blade subassembly of FIG. 10;
  • FIG. 12 is a front view of a carriage of the blade subassembly of FIG. 10;
  • FIG. 13 is a side view of the blade subassembly of FIG. 10;
  • FIG. 14 is a partial perspective view of a blade holder of the device of FIG. 1;
  • FIG. 15 is a front view illustrating the blade subassembly before insertion into the blade holder
  • FIG. 16 is a front view illustrating the blade subassembly after insertion into the blade holder
  • FIG. 17 is a perspective view of the device of FIG. 1 in use with a protective cover
  • FIG. 18 is a perspective view of the protective cover of FIG. 17;
  • FIG. 19 is a front perspective view of a carrying holster for use with the device of FIG. 1;
  • FIG. 20 is a rear perspective view of the carrying holster of FIG. 19. DETAILED DESCRIPTION OF THE INVENTION
  • Blade holder 14 receives a blade subassembly 18, which includes a blade 20 and a carriage 22, such that the subassembly can be locked in position in the holder but can be removed for blade replacement.
  • device 10 can include a protective cover 24, which can be secured on holder 14 in such a manner to cover the exposed blade 20 before use, but can be removed from the holder.
  • device 10 is configured, by way of pivoting assembly 16, to easily allow blade holder 12 to be pivoted or rotated with respect to handle 10 about a pivot axis 26 to a number of different positions and lock the blade holder in these positions.
  • Device 10 has been designed so that pivoting assembly 16 has a minimum number of components that can be easily molded and assembled.
  • device 10 is configured to easily allow blade subassembly 18 to be removed from and reinstalled into blade holder 14. Once subassembly 18 has been removed from blade holder 14, blade 20 can be removed from carriage 22 and replaced with a new blade or reversed to use second side of a double sided blade. Then, the subassembly 18 can be reinstalled into blade holder 14.
  • Device 10 can be grasped by handle 12 manipulated so that a cleaning edge 28 of blade 20 moves across a surface being cleaned. Additionally, device 10 is configured so that handle 12 can be secured to an extension pole (not shown) in a known manner such as, but not limited to, a threaded connection, a press-fit connection, or a locking connection as described in Applicants' own U.S. Patent No. 7,413,366, the contents of which are incorporated herein by reference. Accordingly, handle 12 can be made of any material having the desired strength and rigidity such as, but not limited to, polypropylene (PP).
  • PP polypropylene
  • pivoting assembly 16 defines pivot axis 26 through handle 12 such that is perpendicular to a handle axis 30 and parallel to edge 28 of blade 20.
  • Pivoting assembly 16 includes portions of handle 12, holder 14, and other components described below, which cooperate to selectively lock the handle and holder in one of several angular positions. For purposes of clarity, pivoting assembly 16 is described herein as having two predetermined positions. Of course, it is contemplated by the present disclosure for pivoting assembly 16 to be configured to provide more than two
  • Pivoting assembly 16 includes a boss 32 extending from holder 14.
  • boss 32 is a metallic insert that is co-molded into holder 14.
  • Holder 14 can be made of any material having sufficient strength and rigidity such as, but not limited to, acrylonitrile butadiene styrene (ABS).
  • boss 32 be made of any material having sufficient strength and rigidity such as, but not limited to, zinc die cast, aluminum die cast, machined steel, machined aluminum, and others.
  • boss 32 is made of the same material as holder 14 and/or for the boss to be secured to the holder using a physical connector, an adhesive connector, a thermal connector, and any combinations thereof.
  • handle 12 and/or holder 14 can include one or more over-molded regions 34 of high grip material such as, but not limited to, thermoplastic rubber (TPR).
  • TPR thermoplastic rubber
  • Pivoting assembly 16 also includes a through hole 36, an assembly locating member 38, and one or more lock or catch members 40 (two shown) defined in boss 32. Each catch member 40 defines a predetermined angular position of the assembly.
  • pivoting assembly 16 having more than two predetermined positions, boss 32 would have more than two catch members 40.
  • Pivoting assembly 16 includes a through hole 42, an assembly locating member 44, and a channel 46 defined in handle 12.
  • assembly locating members 38, 44 are mated with one another with holes 36, 42 concentric to one another.
  • handle 12 and holder 14 are pivotally secured to one another with a bolt 48 received through the concentrically aligned holes 36, 42, with the bolt secured in place with a nut 50.
  • Pivot axis 26 is defined through a centerline (not shown) of concentrically aligned holes, bolt, and nut (36, 42, 48, 50).
  • Pivoting assembly 16 further includes a locking button 52 having a lock or catch member 54 and a biasing spring 56. As will be described in more detail below, lock or catch member 54 of button 52 cooperates with the lock or catch members 40 of boss 32 to secure pivoting assembly 16 in the predetermined positions.
  • Locking button 52 is slideably received in channel 46 defined in handle 12 with biasing spring 56 between the button and the handle.
  • pivoting assembly 16 can include a cap 58 secured to handle 12 in any desired manner such as, but not limited to, a press fit connection, adhesive, ultrasonic weld, and others.
  • cap 58 covers or conceals nut 50 from view.
  • Pivoting assembly 16 can also include a separate cap 60, which conceals bolt 48 from view.
  • Cap 60 can also be secured to handle 12 in any desired manner such as, but not limited to, a press fit connection, adhesive, ultrasonic weld, and others.
  • Button 52 is shown in FIG. 8 in a first or locked position and in FIG. 9 in a second or unlocked position. In the locked position, spring 56 biases button 52 so that catch members 40, 54 are engaged with one another, securing pivoting assembly 16 in a first predetermined position.
  • unlocking force 62 When it is desired to pivot handle 12 and holder 14 with respect to one another, a user can exert an unlocking force 62 on the button 52 sufficient to overcome the spring force of spring 56. Unlocking force 62 also causes button 52 to slide within channel 46 until catch members 40, 54 are disengaged from one another. While applying unlocking force 62, handle 12 and holder 14 can be pivoted with respect to one another about axis 26 to change the angle between the handle and the holder.
  • pivoting assembly 16 defines two angular or pivoted positions between handle 12 and holder 14 - namely one position suitable for use of device 10 without an extension pole (e.g., about 0 degrees) and one position suitable for use of the device with an extension pole (e.g., about 30 degrees).
  • the two catch members 54 surround one the two catch members 40 so that catch members 54 abut four surfaces within boss 32 - namely the opposing sides of the catch member 40 that is surrounded, the facing surface of the catch member 40 that is not surrounded, and a remaining edge of boss 32.
  • This preferred structure of pivoting assembly 16 ensures sufficient rigidity to lock or maintain the pivoting assembly at the desired position.
  • pivoting assembly 16 can be provided with a minimum number of parts, separates the direction of unlocking force 62 from the direction of pivoting, and provides a clean, easy to use system for the user, while providing the necessary strength to maintain the assembly at the desired pivoted position.
  • device 10 further includes blade subassembly 18, which can be easily removed from and reinserted into holder 14. Blade subassembly 18 and its cooperation with holder 14 are described with simultaneous reference to FIGS. 10-14.
  • blade subassembly 18 includes blade 20 and carriage 22.
  • Blade 20 and carriage 22 preferably include at least one, and preferably more than one, cooperating features 70 that ensure that the blade is positioned on carriage in a desired orientation and position.
  • blade 20 is shown with feature 70 as three openings and carriage 22 is shown with feature 70 as a corresponding number of protrusions.
  • the openings and protrusions 70 cooperate to ensure the desired orientation and position of the blade on the carriage.
  • blade 20 and carriage 22 to have any desired feature or features that ensure the desired orientation and position of the blade on the carriage.
  • features 70 to be positioned and configured so that blade 20 can be reversed - namely can have two edges 28 - with only one edge being exposed for use at a time.
  • Holder 14 as shown in FIG. 14, includes a slot 72 that receives protrusions 70.
  • Slot 72 has an open end 74 on a first edge 76 of the holder and a closed end 78 at an opposite edge 80 of the holder.
  • Protrusion 70 of carriage 22 are received in slot 72 through open end 74 so that subassembly 18 can be slid within holder 14 until the protrusion abuts closed end 78. In this manner, protrusion 70 and closed end 78 cooperate to define a maximum insertion position of subassembly 18 in holder 14.
  • device 10 can include other cooperating members to align and position subassembly 18 in holder 14.
  • carriage 22 can include one or more protrusions 80 that are similarly received in slot 82 of holder 14, where slot 82 has open end 84 and closed end 88 as discussed above.
  • device 10 can use protrusions 70 to align and position subassembly 18 in holder 14, can use protrusions 80 to align and position the subassembly in the holder, or use both protrusions 70 and 80 to align and position the subassembly in the holder.
  • protrusions 70 and/or 80 and closed ends 78 and/or 88 cooperate to define a maximum insertion position of subassembly 18 in holder 14.
  • Subassembly 18 further includes a flexible tang 90 (seen in FIG. 12) defined on carriage 22, which secures the carriage in holder 14 when at the maximum insertion position.
  • Carriage 22 is made of a material having sufficient flexibility to allow tang 90 to deflect or bend as the carriage is slid into holder 14, but return to an un-deflected position once the carriage has been received in holder 14 at or just prior to the maximum insertion position.
  • Tang 90 includes an edge 92, which can prevent withdrawal of carriage 22 from holder 14 when the tang is in the un-deflected position but allows withdrawal of the carriage from the holder 14 when the tang is in the deflected position.
  • Subassembly 18 is inserted into holder 14 in an insertion direction 94, where tang 90 is on the leading edge of carriage 22 as it enters the holder. As carriage 22 slides within holder 14, tang 90 is deflected until the carriage has been received in the holder 14 at the maximum insertion position at which point the resiliency of the tang is sufficient to return the tang to the un-deflected position with edge 92 preventing withdrawal of the carriage from the holder in a direction opposite to the insertion direction 94.
  • Carriage 22 can be made of any material having sufficient resiliency to allow the aforementioned deflection of tang 90.
  • carriage 22 can be made of molded polymers such as, but not limited to, nylon.
  • device 10 is configured, by way of subassembly 18, to easily allow blade 20 to be removed from and reinstalled into holder 14, but with a minimum number of components that can be easily molded and assembled.
  • device 10 is illustrated in use with protective cover 24.
  • Cover 24 is removably secured on holder 14 in any desired manner.
  • cover 24 includes protrusions 96 on the cover and indentations 98 (FIG. 15) on the holder.
  • device 10 finds use with a holder 100 shown in FIGS. 19 and 20.
  • Holder 100 has a first spring clip 102 that releasably retains handle 12 of device 10, while blade 20 of the device is received - with or without cover 24 and in any pivoted position - in a holster 104.
  • Holder 100 can also have a second spring clip 106 that releasably secures the holder to the user - such as to the user's belt.
  • First and second clips 102, 106 can be made of any material having sufficient resiliency to perform the desired function, namely to releasably retain handle 12 of device 10 or secure the holder 100 to the user.
  • Clips 102, 106 can be integrally molded as a one piece unit with holster 104.
  • one or more of the clips 102, 106 can be separately formed from but connected to holster 104.
  • clips 102 and/or 106 can be secured to holster 104 in any desired manner such as a physical connector, an adhesive connector, a thermal connector, and any combinations thereof.
  • clips 102, 106 can be made of molded polymer such as, but not limited to, polyoxymethylene (POM), also known as acetal, while holster 104 is made of molded polymer such as, but not limited to, polypropylene (PP).
  • POM polyoxymethylene
  • holster 104 is made of molded polymer such as, but not limited to, polypropylene (PP).
  • holster 104 further includes one or more guides 108 (one shown) that are made of a material of sufficient hardness so as to not be marred by blade 20.
  • guide 108 can be made of metal such as, but not limited to, stainless steel.
  • Guide 108 can be co-molded with holster 104 or can be secured to the holster in any desired manner such as, but not limited to, a physical connector, an adhesive connector, a thermal connector, and any combinations thereof.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Abstract

La présente invention se rapporte à des dispositifs de nettoyage à positions multiples. Les dispositifs possèdent une poignée, un porte-lame et un ensemble pivotant. L'ensemble pivotant permet au manche et au porte-lame de pivoter l'un par rapport à l'autre autour d'un axe de pivotement jusqu'à au moins deux positions angulaires prédéfinies. L'axe de pivotement est parallèle à un bord de lame. Les dispositifs à positions multiples peuvent trouver une utilisation avec un sous-ensemble de lame qui comporte un chariot maintenant la lame, où le chariot coopère avec le support afin de fixer la lame dans le support d'une manière facilement amovible.
PCT/US2015/027828 2014-04-24 2015-04-27 Dispositifs de nettoyage à positions multiples WO2015164877A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US29/489,094 2014-04-24
US29/489,097 2014-04-24
US29/489,097 USD732288S1 (en) 2014-04-25 2014-04-25 Tool holder
US29/489,094 USD779143S1 (en) 2014-04-25 2014-04-25 Window scraper
US201461987521P 2014-05-02 2014-05-02
US61/987,521 2014-05-02

Publications (1)

Publication Number Publication Date
WO2015164877A1 true WO2015164877A1 (fr) 2015-10-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2015/027828 WO2015164877A1 (fr) 2014-04-24 2015-04-27 Dispositifs de nettoyage à positions multiples

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Country Link
US (1) US20150305584A1 (fr)
WO (1) WO2015164877A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10307922B2 (en) * 2015-02-27 2019-06-04 Aleem & Company Inc. Razor assembly
PL3393320T3 (pl) * 2015-12-21 2022-05-16 Alfred Kärcher SE & Co. KG Dysza ssąca do urządzenia do czyszczenia powierzchni twardych i urządzenie do czyszczenia powierzchni twardych wyposażone w taką dyszę ssącą
US10729304B2 (en) 2016-09-13 2020-08-04 Rubbermaid Commercial Products Llc Squeegee
AT519222B1 (de) * 2016-10-20 2018-05-15 Johannes Engl Reinigungsvorrichtung
TWI674348B (zh) * 2018-10-04 2019-10-11 鴻安國際興業有限公司 刮刀

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5200252A (en) * 1992-07-20 1993-04-06 Davidson Textron Inc. Reinforced fastening boss and method for making the same
US5419007A (en) * 1993-12-16 1995-05-30 Emerson Electric Co. Snap together wet nozzle
US5809605A (en) * 1997-04-15 1998-09-22 Allway Tools, Inc. Squeegee assembly
US20040177461A1 (en) * 2003-03-11 2004-09-16 The Evercare Company Cleaning device
US20040226125A1 (en) * 2003-05-15 2004-11-18 Grant Cox Spring-biased pivoting squeegee
US20120174332A1 (en) * 2011-01-07 2012-07-12 Patterson Joseph K Surface cleaning tools having end caps
US20130174364A1 (en) * 2010-09-28 2013-07-11 3M Innovative Properties Company Cleaning device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5200252A (en) * 1992-07-20 1993-04-06 Davidson Textron Inc. Reinforced fastening boss and method for making the same
US5419007A (en) * 1993-12-16 1995-05-30 Emerson Electric Co. Snap together wet nozzle
US5809605A (en) * 1997-04-15 1998-09-22 Allway Tools, Inc. Squeegee assembly
US20040177461A1 (en) * 2003-03-11 2004-09-16 The Evercare Company Cleaning device
US20040226125A1 (en) * 2003-05-15 2004-11-18 Grant Cox Spring-biased pivoting squeegee
US20130174364A1 (en) * 2010-09-28 2013-07-11 3M Innovative Properties Company Cleaning device
US20120174332A1 (en) * 2011-01-07 2012-07-12 Patterson Joseph K Surface cleaning tools having end caps

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