EP3525643B1 - Dämpfungssystem für papierhandtuchspender - Google Patents

Dämpfungssystem für papierhandtuchspender Download PDF

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Publication number
EP3525643B1
EP3525643B1 EP17860083.9A EP17860083A EP3525643B1 EP 3525643 B1 EP3525643 B1 EP 3525643B1 EP 17860083 A EP17860083 A EP 17860083A EP 3525643 B1 EP3525643 B1 EP 3525643B1
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EP
European Patent Office
Prior art keywords
toweling
paper
paper guide
pivoting
dispenser apparatus
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
EP17860083.9A
Other languages
English (en)
French (fr)
Other versions
EP3525643A4 (de
EP3525643A1 (de
Inventor
Joel P. Keily
Charles Parkin DAVIS
Alexander Trampolski
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.)
Dispensing Dynamics International LLC
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Dispensing Dynamics 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 US15/292,543 external-priority patent/US10271695B2/en
Application filed by Dispensing Dynamics International LLC filed Critical Dispensing Dynamics International LLC
Publication of EP3525643A1 publication Critical patent/EP3525643A1/de
Publication of EP3525643A4 publication Critical patent/EP3525643A4/de
Application granted granted Critical
Publication of EP3525643B1 publication Critical patent/EP3525643B1/de
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3656—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices with paper jam preventing devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3606—The cutting devices being motor driven
    • A47K10/3612—The cutting devices being motor driven with drive and pinch rollers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3631—The cutting devices being driven manually
    • A47K10/3643—The cutting devices being driven manually by pulling the paper
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K2010/3675—Braking devices

Definitions

  • This invention relates to dispenser apparatus for dispensing paper toweling and more particularly to structure for damping forces applied to a roll a toweling when overspin slack is taken up.
  • This invention relates to dispenser apparatus according to claim 1 for dispensing paper toweling from a roll and for applying damping forces to the paper toweling when overspin shock is taken up during pulling of the paper toweling during dispensing, said dispenser apparatus comprising:
  • US 6,363,824 B1 discloses a machine for dispensing paper wipes, paper hand wipes and toilet paper.
  • the machine includes a swinging gantry devised to accommodate a pinch roller which is capable of being in contact with a reel in order to contribute towards tensioning the paper, by exerting a pressure and braking force on the reel in opposition to the pulled paper and in order to facilitate and allow cutting of the paper by a cutting device built into a drum.
  • the machine further includes a flap that supports a pressure roller, the flap being hinged so that it swivels in opposition to return springs and relative to the gantry.
  • Gradual paying out of the reel causes the gantry to rise gradually and the pinch roller continues to push constantly against the reel, thus preventing the formation of any loop and also braking the paper so that it can be cut.
  • the strip of dispensed paper is braked by both the force exerted by the pinch roller on the reel and that exerted by the pressure roller against the drum, thereby controlling tensioning of the paper and ensuring that the paper is cut properly and preventing the formation of any loops.
  • a rolled product dispenser for dispensing a web of rolled product comprises a housing and a dispensing assembly at least partially housed in the housing.
  • the dispensing assembly interacts with the web of rolled product and includes a dispensing roller having a rotation center and a peripheral wall with an upper section.
  • the dispensing can assembly can comprise an upper tensioning assembly and/or a lower tensioning assembly and/or a variable tension return assembly.
  • paper toweling as employed herein also encompasses tissue and the teachings of this invention are applicable to dispensing from rolls of paper tissue.
  • the present invention addresses certain problems, including the problem of "tabbing" occurring during use of a paper towel dispenser. Tabbing occurs when a piece of towel tears off the sheet when a user grasps and pulls the paper. Tabbing may occur with one or two hand pulls. Papers that absorb water at the greatest rate are most likely to tab. The rate of water absorbency varies by paper manufacturer and grade. Premium grade papers tend to absorb water the quickest and are generally harder to cut which leads to a higher rate of tabbing.
  • the object of the invention is solved in that the nip roller is a damping nip roller; in that said pivoting paper guide and said damping nip roller are providing a damping action when sufficient tensioning forces are produced in the paper toweling between the damping nip roller and the rotatable paper toweling support roller during pulling of the paper toweling; the object of the invention is solved by the apparatus of claim 1.
  • the invention is characterized by its simplicity, reliability and effectiveness of operation.
  • a damping nip roller is rotatably mounted on a pivoting paper guide of a paper guide assembly to dampen shock force that occurs when overspin slack is fully consumed.
  • the paper guide assembly improves cutting by preventing accumulation of toweling wrinkles.
  • This arrangement also creates nearly 270 degrees of wrap on the toweling support roller which further improves the ability to cut a variety of toweling types by reducing chance for toweling to slip on the toweling support roller.
  • a two stage spring action is incorporated in the apparatus - coil springs and plastic springs. After initial damping begins, plastic springs that are integrated into the pivoting paper guide engage a fixed mechanism feature to apply additional spring force and increase damping.
  • a rear housing portion of a paper toweling dispenser incorporating the teachings of the present invention is illustrated, the housing portion being designated by reference numeral 10.
  • the dispenser incorporates two support arms 12 which are used to rotatably support a roll of paper toweling to be dispensed.
  • Fig. 7 illustrates a paper toweling roll 14.
  • the illustrated toweling dispenser includes a toweling support roller 20 which rotates during the dispensing operation and the toweling exits a dispensing opening 22.
  • a retractable cutter blade 24 is operatively associated with the toweling support roller similar to the arrangement disclosed in above-referenced U.S. Patent No. 7,500,420 .
  • a damping assembly which includes a damping nip roller 32 and a pivoting paper guide 34.
  • the damping nip roller 32 is rotatably supported at the distal or outer end of the pivoting paper guide.
  • ribs 36 are located on the curved underside of the pivoting paper guide.
  • Pivot pins 44 pivotally attach the pivoting paper guide 34 to side panels of the housing portion 10, the pivot pins positioned at the distal end portions of elongated members or arms 42 of the pivoting paper guide.
  • Stub shafts 40 are attached to ends of coiled springs 46, the other ends of the springs 46 being connected to the housing portion 10.
  • the springs 46 exert a downward force on the arms 42 and the pivoting paper guide 34 is biased so that the damping nip roller 32 engages paper toweling support roller 20 when no paper toweling is disposed therebetween. This is the condition shown in Figs. 1 and 3 for example.
  • a tensional force is exerted on the toweling between the damping nip roller and toweling support roller sufficient tension in the toweling will pivot the pivoting paper guide and raise the damping nip roller upwardly as shown in Figs. 4 and 7 , for example, so that it provides a damping action with respect to the paper toweling.
  • FIG. 7 illustrates by means of an arrow the distal ends of the plastic springs 54 which in this embodiment are extensions of some of the ribs 36.
  • Fixed paper guide 58 is a component of the damping assembly of this invention, along with the damping nip roller 32 and pivoting paper guide 34. Fixed paper guide 58 is attached to the housing side panels. The pivoting paper guide isn't directly connected to the fixed paper guide until the plastic springs contact the fixed paper guide during the damping phase.
  • Figs. 2 and 4 illustrate the condition of the structural features of the damping assembly in the relative positions assumed thereby with respect to the toweling support roller at maximum damping when the plastic springs 54 are being flexed due to engagement with the fixed paper guide 58 at the location of recesses 42. Engagement is at an upper portion of the fixed paper guide defining the recesses 56.
  • the damping nip roller integrated into the pivoting paper guide 34 will dampen shock force that occurs when overspin slack is fully consumed.
  • the integrated pivoting paper guide 34 and fixed paper guide 58 improve blade cutting by preventing accumulation of toweling wrinkles. This arrangement also creates nearly 270 degrees of wrap on the toweling support roller between nip roller 32 and a second nip roller adjacent to the inner end of the fixed paper guide 58 which further improves the ability to cut a variety of toweling types by reducing the chance for toweling slippage on the toweling support roller.
  • a two stage spring action is incorporated by the use of coil springs and plastic springs and after initial damping begins plastic springs that are integrated into the pivoting paper guide engage a fixed mechanism (the lead end of the fixed paper guide) to apply additional spring force to the damping assembly as discussed above.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Unwinding Webs (AREA)

Claims (15)

  1. Abgabevorrichtung zum Abgeben von Papierhandtüchern von einer Rolle und zum Aufbringen von Dämpfungskräften auf das Papierhandtuch, wenn beim Ziehen des Papierhandtuchs während der Abgabe ein Überdrehstoß aufgenommen wird, wobei die Abgabevorrichtung umfasst:
    ein Gehäuse (10);
    einen Rollenträger (12), der mit dem Gehäuse (10) verbunden ist, um die Papierhandtuchrolle (14) zu befestigen und die Drehung der Papierhandtuchrolle (14) während der Ausgabe zu ermöglichen;
    eine drehbare Handtuchträgerrolle (20), die von der Rollenhalterung (12) beabstandet ist, wobei die drehbare Handtuchträgerrolle (20) Papierhandtuch von der Papierhandtuchrolle (14) aufnimmt und bei Drehung betätigt werden kann, um das Papierhandtuch auszugeben;
    eine schwenkbare Papierführung (34), die sich teilweise um die drehbare Handtuchträgerrolle (20) herum erstreckt und einen Papierweg für das um einen Abschnitt der drehbaren Handtuchträgerrolle (20) herumtransportierte Papier definiert;
    eine Andruckrolle (32), die von der schwenkbaren Papierführung (34) getragen wird;
    und eine Federstruktur, die funktionell mit der schwenkbaren Papierführung (34) verbunden ist, um eine Vorspannkraft auf die schwenkbare Papierführung (34) auszuüben und einen Walzenspalt zwischen der Andruckrolle (32) und der drehbaren Handtuchträgerrolle (20) zu bilden, die das Papierhandtuch aufnimmt;
    die schwenkbare Papierführung (34) und die Andruckrolle (32) so konfiguriert sind, dass sie von der drehbaren Handtuchträgerrolle (20) weg bewegt werden können;
    dadurch gekennzeichnet, dass die Andruckrolle (32) eine Dämpfungsandruckrolle ist;
    dass die schwenkbare Papierführung (34) und die Dämpfungsandruckrolle (32) eine Dämpfungswirkung bereitstellen, wenn in dem Papiertuch zwischen der Dämpfungsandruckrolle (32) und der drehbaren Handtuchträgerrolle (20) während des Ziehens des Papiertuchs Spannkräfte einer vorbestimmten Größe erzeugt werden;
    und dass die Federstruktur eine erste Federstruktur (46) und eine zweite Federstruktur (54) umfasst, wobei die zweite Federstruktur betreibbar ist, um eine Vorspannkraft auszuüben, nachdem eine Vorspannkraft durch die erste Federstruktur ausgeübt worden ist.
  2. Abgabevorrichtung nach Anspruch 1,
    zusätzlich eine gekrümmte feststehende Papierführung (58) aufweist, wobei die gekrümmte feststehende Papierführung (58) neben der schwenkbaren Papierführung (34) angeordnet ist, wobei das Papierhandtuch eine Umschlingung von etwa 270 Grad um die Handtuchträgerrolle (20) bildet und sich unter und über die Enden der gekrümmten feststehenden Papierführung (58) und der schwenkbaren Papierführung (34) hinaus erstreckt.
  3. Abgabevorrichtung nach Anspruch 2,
    wobei sich die erste Federstruktur zwischen der schwenkbaren Papierführung (34) und dem Gehäuse (10) erstreckt.
  4. Abgabevorrichtung nach Anspruch 3,
    wobei die erste Federstruktur mindestens eine Spiralfeder (46) umfasst.
  5. Abgabevorrichtung nach Anspruch 4,
    wobei Schwenkstifte (44), die von der mindestens einen Spiralfeder (46) beabstandet sind, die schwenkbare Papierführung (34) mit dem Gehäuse (10) verbinden.
  6. Abgabevorrichtung nach Anspruch 3,
    wobei die zweite Federstruktur an einer Verbindungsstelle zwischen der schwenkbaren Papierführung (34) und der gekrümmten festen Papierführung (58) angeordnet ist.
  7. Abgabevorrichtung nach Anspruch 6,
    wobei die zweite Federstruktur mindestens eine flexible Kunststofffeder (54) umfasst.
  8. Abgabevorrichtung nach Anspruch 7,
    wobei die mindestens eine flexible Kunststofffeder (54) in einer Aussparung (56) angeordnet ist, die durch die gekrümmte feste Papierführung (58) definiert ist.
  9. Abgabevorrichtung nach Anspruch 8,
    wobei die schwenkbare Papierführung (34) längliche Elemente aufweist, die sich in Eingriff mit der festen Papierführung (58) erstrecken, wobei ein distales Ende von mindestens einem der Elemente die mindestens eine flexible Kunststofffeder (54) aufweist.
  10. Abgabevorrichtung nach Anspruch 2,
    wobei die dämpfende Andruckrolle (32) und eine zweite Andruckrolle die Umschlingung auf der drehbaren Handtuchträgerrolle von etwa 270 Grad definieren.
  11. Abgabevorrichtung nach Anspruch 6,
    wobei die schwenkbare Papierführung (34) nicht direkt mit der festen Papierführung (58) verbunden ist, bis Kunststofffedern (54) die feste Papierführung (58) während einer Dämpfungsphase berühren.
  12. Abgabevorrichtung nach Anspruch 6,
    wobei die zweite Federstruktur eine Vielzahl von flexiblen Kunststofffedern (54) umfasst, deren distale Enden in die schwenkbare Pager-Führung (34) integriert und in Aussparungen (56) positioniert sind, die durch die feste Papierführung (58) definiert sind.
  13. Abgabevorrichtung nach Anspruch 2,
    wobei sich an der gekrümmten Unterseite der schwenkbaren Papierführung (34) Rippen (36) befinden.
  14. Abgabevorrichtung nach Anspruch 3,
    wobei Achsstummel (40) an Enden von Spiralfedern (46) befestigt sind und die anderen Enden der Federn (46) mit den Teilen des Gehäuses (10) verbunden sind.
  15. Abgabevorrichtung nach Anspruch 6,
    wobei die dämpfende Andruckrolle (32) am distalen oder äußeren Ende der schwenkbaren Papierführung (34) drehbar gelagert ist.
EP17860083.9A 2016-10-13 2017-09-14 Dämpfungssystem für papierhandtuchspender Active EP3525643B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/292,543 US10271695B2 (en) 2015-10-16 2016-10-13 Paper towel dispenser damping system
PCT/US2017/051475 WO2018071126A1 (en) 2016-10-13 2017-09-14 Paper towel dispenser damping system

Publications (3)

Publication Number Publication Date
EP3525643A1 EP3525643A1 (de) 2019-08-21
EP3525643A4 EP3525643A4 (de) 2020-05-20
EP3525643B1 true EP3525643B1 (de) 2024-02-28

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ID=67295710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17860083.9A Active EP3525643B1 (de) 2016-10-13 2017-09-14 Dämpfungssystem für papierhandtuchspender

Country Status (2)

Country Link
EP (1) EP3525643B1 (de)
WO (1) WO2018071126A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11479431B2 (en) 2019-07-19 2022-10-25 Dispensing Dynamics International, Inc. Dispensing systems with floating support rollers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4712461A (en) * 1985-10-18 1987-12-15 Georgia-Pacific Corporation Rolled material dispenser with feed roller containing a sliding cutter
FR2771620B1 (fr) * 1997-12-01 1999-12-31 Maurice Granger Appareil distributeur de papier d'essuyage
FR2778836B1 (fr) * 1998-05-25 2000-06-30 Maurice Granger Tambour de distribution de materiau d'essuyage dans un appareil distributeur avec reglage du format et de la longueur du materiau debite
US6460798B1 (en) * 2000-10-10 2002-10-08 Alwin Manufacturing Co., Inc. Dispenser apparatus with transfer mechanism
US7500420B2 (en) * 2005-04-25 2009-03-10 Perrin Manufacturing Company Paper towel dispenser apparatus
US20070079676A1 (en) * 2005-10-07 2007-04-12 Global Plastics Paper dispenser
US8220684B1 (en) * 2010-02-04 2012-07-17 Dispensing Dynamics International Apparatus for dispensing paper toweling
US10292542B2 (en) 2013-10-16 2019-05-21 Cascades Canada Ulc Rolled product dispenser

Also Published As

Publication number Publication date
EP3525643A4 (de) 2020-05-20
EP3525643A1 (de) 2019-08-21
WO2018071126A1 (en) 2018-04-19

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