EP0871390B1 - Apparatus for dispensing folded or non-folded wiping materials - Google Patents

Apparatus for dispensing folded or non-folded wiping materials Download PDF

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Publication number
EP0871390B1
EP0871390B1 EP96942428A EP96942428A EP0871390B1 EP 0871390 B1 EP0871390 B1 EP 0871390B1 EP 96942428 A EP96942428 A EP 96942428A EP 96942428 A EP96942428 A EP 96942428A EP 0871390 B1 EP0871390 B1 EP 0871390B1
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EP
European Patent Office
Prior art keywords
drum
lever
reel
housing
pulley
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.)
Expired - Lifetime
Application number
EP96942428A
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German (de)
French (fr)
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EP0871390A1 (en
Inventor
Maurice Granger
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Individual
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Individual
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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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00—Cutting
    • Y10S83/929—Particular nature of work or product
    • Y10S83/949—Continuous or wound supply
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/4804—Single tool action drive
    • Y10T83/4807—With one-revolution drive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/889—Tool with either work holder or means to hold work supply
    • Y10T83/896—Rotatable wound package supply

Definitions

  • the invention relates to the technical sector of distribution of wiping papers, cellulose wadding, crepe papers, or similar materials intended more particularly for wiping hands of users, dispensing toilet paper, dispensing of paper towels.
  • the aim sought after according to the invention was therefore to control the rotation roll or reel of material, so as to overcome the disadvantage cited above.
  • the Applicant has also developed, in its research prior to another type of paper folding apparatus, a device paper tape tension control to avoid an effect loop when excessive pulling on paper can be done by the operator.
  • a device of this kind has in particular been described in the French patent N. 2647048.
  • the device resided in the design of an articulated gantry forming a pendulum arranged in the part front of the unit. This balance is not, however, directly subject to the notation of the drum of the cutting device, so that its function simplified remains the control and absorption of a band loop of material in the event of excessive tensile force.
  • the aim sought after according to the invention was to design a new device that can control the unwinding of the material reel without constraint with respect to the cutting of the sides thereof, and which can allow easy and reliable distribution of the strip of material.
  • Another object according to the invention was to design a simple system low manufacturing cost and which can be easily integrated particular to any type of existing device single roller, double roll, folded or unfolded version of the paper strip.
  • the device wiping material dispenser which can be dispensed in the form folded or unfolded, of the type comprising a housing, a cover, a drum, a cutter integrated in the drum, an element presser as well as means for launching and recalling the drum including an eccentric and a spring, in its upper part, the casing receiving two flanges capable of receiving a coil of material wiping, said drum and the pressing element being held between flanges established perpendicularly to the rear plane of the housing, is remarkable in that it includes a device for controlling the rotation of the drum arranged with a profiled lever articulated at its base at against an elastic return means, said lever being arranged in its upper part with a support axis of a couple of pulleys mounted free in rotation, and in that the first pulley is associated by a drive belt with one of the drive means and paper pressure before cutting, and the second pulley is arranged to come to cooperate in support and from behind on the material reel.
  • the device is referenced as a whole by (1) and includes a casing (2), a cover (3), a drum (4), a cutting device (5) integrated in the drum, a pressing element (6) as well as means for drum launch and recall including an eccentric (7) and a spring (8). All of these elements except the spring, are in plastic material.
  • the casing receives two flanges (2a - 2b) capable of receiving a coil guard (9) or end caps supply of a reel (B) of wiping material.
  • the drum (4) and the pressing element are also held between flanges (2c - 2d) established perpendicular to the plane rear (2e) of the housing.
  • the drum comprises an axis (4a) extending to its ends to form, on the one hand, an operating button and, on the other hand, beyond the receiving flange (2c), an eccentric lever (7) capable of receiving the launch and return spring (8).
  • All drum (4) pressing element (6) allows the passage and the strip of paper behind the drum for cutting, the element presser being supported on the drum and the assembly rotating at the way of a gear in opposite direction.
  • a follower roller (10) is arranged in the lower part of the casing having in particular, in a known manner, the protection of hands of the user being at the place of exit of the paper out of the machine, and guiding the paper outlet.
  • the coil rotation control device is referenced in as a whole by (12). It basically includes a bent lever articulated at its base by its small wing (12a) on the lower flange (2c) support drum and pressure roller. This lever is articulated on a pin (11) fixed to the casing against an elastic return means (13), one of which end (13a) is fixed in the bent interior part (12b) of the lever and the other (13b) at the front of the flange (2c). This means of recall established under shape of a spring is stressed in extension.
  • the lever is arranged directly by molding with a support axis (14) of two pulleys or rollers (15 and 16) mounted free in rotation on the support axis
  • a first pulley (15), of small diameter, is likely to be in the plane of a groove (4b) formed on a flange (4c) attached to the opposite end of the drum (4) to allow the reception of a drive and connection belt (17).
  • the second pulley or roller (16) has a groove (16a) capable of receiving a rod (18) constituting a means of friction with the coil of material. This second pulley (16) is capable of coming to bear by the rear against the material reel (B) thus ensuring contact braking.
  • the two pulleys (15 - 16) are keyed on the same axis and therefore driven in rotation simultaneously. Other mounting methods equivalents can be considered.
  • the material reel when presented in the device, comes to press the lever (12) by its pulley (16) and drive the rearward tilting of said lever against the return means (13) pre-elasticated.
  • the lever stroke is therefore established over a certain distance corresponding at least to the initial diameter of the coil for be in operation as soon as it is put in place Until it is exhausted.
  • the pulley (16) forming a follower roller is always in contact with the reel of material due to the return effect of the elastic means.
  • a projecting stop point (12e) is established on the upper edge of the lever to come into abutment on the upper part of the flange (2c).
  • the device according to the invention is very simple. His assembly is easy and inexpensive to manufacture.
  • the advantage of the device lies in the fact that the roller (16) is always in contact with the coil and any rotation thereof as a result of the pull effect of a piece of paper by the user ipso-facto the rotation of the underlying drum by the drive effect of the connecting belt between the first pulley and the flange associated with the drum.
  • This gives better rotation of the drum, without being hindered by possible dimensional variations of the coil material and especially its transverse sides.
  • the effort is limited. There has no wear. Braking of the rotating coil is automatic and thus eliminates the phenomenon of the appearance of a loop of a band of paper when excessive tensile force is applied, this loop appearing between the coil and the drum upstream of the chopped off.
  • the roller, supported on the material reel, allows in some so a backlash effect.
  • This device is particularly advantageous in that it allows the distribution of any paper strip of any desired material including for strips composed of a single layer of paper, therefore very thin in thickness and fragile.
  • the device can be arranged in providing for coupling of the belt with the pressing element (6) upper in contact with the drum, as shown in figure 6.
  • the belt (17) engages in the groove (6a) of the pressing element and it is mounted cross to always train in the same direction.
  • An additional advantage resulting from the invention lies in the ease of loading the material reel. Indeed, during the place it in the device, it comes into contact with the support roller rear which causes it to rotate allowing the presentation of the end of the strip of material in a plane situated towards the drum and the pressure roller. This is an interesting additional advantage for the person who charges the device.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Replacement Of Web Rolls (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Unwinding Webs (AREA)
  • Cartons (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Sanitary Thin Papers (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

A folded/unfolded paper towel dispensing apparatus, includes a housing having a cover, a drum, an associated cutting device incorporated in the drum, and a tensioning device. An eccentric lever and a spring are used to actuate and reverse the direction of the drum, in which the upper part of the housing includes two flanges capable of accommodating a reel of paper towel. The drum and the tensioning device are secured between flanges located at right angles to the rear plane of the housing. The apparatus includes a device for controlling the rotation of the drum, fitted with a shaped lever hinged at its base in opposition to an elastic return spring, the upper part of the lever being fitted with a support shaft, supporting a pair of freely rotatable pulleys. A first pulley is associated through a drive belt with the drum and tensioning device before the paper is cut, and a second pulley is arranged so as to come into contact with the rear of the reel of material.

Description

L'invention se rattache au secteur technique des appareils de distribution de papiers d'essuyage, en ouate de cellulose, papiers crêpés, ou matériaux similaires destinés plus particulièrement à l'essuyage des mains des utilisateurs, à la distribution de papier toilette, à la distribution de serviettes en papier.The invention relates to the technical sector of distribution of wiping papers, cellulose wadding, crepe papers, or similar materials intended more particularly for wiping hands of users, dispensing toilet paper, dispensing of paper towels.

De nombreux appareils de ce type ont été développés par le Demandeur, et en particulier un appareil incluant un dispositif de contrôle et de déroulement de la bobine de matériau a été décrit dans la demande de brevet français 2730153. Ce brevet définissait un dispositif de freinage de la bobine d'alimentation du matériau qui était associé au cycle de fonctionnement de l'appareil avec la rotation sur un tour du tambour, ce dispositif étant articulé par rapport au carter en assurant selon le fonctionnement ou le non fonctionnement de l'appareil un contact de freinage sur au moins l'un des côtés latéraux de la bobine et une libération de celle-ci lors de la rotation du tambour sur un cycle.Many devices of this type have been developed by the Applicant, and in particular an apparatus including a device for control and unwinding of the material reel was described in the French patent application 2730153. This patent defined a device for braking of the material supply coil which was associated with the cycle operation of the device with the rotation on one revolution of the drum, this device being articulated with respect to the casing ensuring, according to the operation or non-operation of the device a contact braking on at least one of the lateral sides of the coil and one release of the latter during the rotation of the drum on a cycle.

Un des problèmes rencontrés néanmoins demeure dans les caractéristiques dimensionnelles des bobines de matériau qui sont obtenues dans le cadre d'un processus automatisé de production En effet, les différentes bobines utilisables selon l'invention résultent d'une fabrication d'une grande longueur de bobine qui est ensuite découpée en modules à l'aide d'outils appropriés. Il arrive donc que de par les mécanismes utilisés, les coupes transversales de chaque bobine ne soient pas réalisées avec la plus grande exactitude, de sorte que lorsque la bobine est introduite dans l'appareil de distribution de papier, il peut arriver certains effets de coincement ou de mauvais fonctionnement de l'appareil. Cet inconvénient apparaít nettement en cas de traction en oblique de la bande de papier par l'utilisateur. Ainsi, même en prenant toutes les précautions nécessaires dans la conception d'automatismes de découpe, il arrive que les bobines de matériau présentent un différentiel d'embobinage de quelques millimètres, ce qui est donc nuisible au fonctionnement de l'appareil dans lequel elles s'intègrent.One of the problems encountered nevertheless remains in the dimensional characteristics of the coils of material which are obtained as part of an automated production process Indeed, the different coils that can be used according to the invention result from a manufacture of a long coil length which is then cut into modules using appropriate tools. It therefore happens that by mechanisms used, the cross sections of each coil are not not performed with the greatest accuracy, so that when the coil is introduced into the paper dispenser, it may happen certain jamming or malfunctioning effects of the device. This drawback appears clearly in the event of traction in oblique of the paper strip by the user. So even taking all the necessary precautions in the design of automation systems cutting, the coils of material sometimes have a differential rewinding a few millimeters, which is therefore harmful to operation of the device in which they are integrated.

Le but recherché selon l'invention était donc de contrôler la rotation du rouleau ou bobine de matériau, de façon à surmonter l'inconvénient précité.The aim sought after according to the invention was therefore to control the rotation roll or reel of material, so as to overcome the disadvantage cited above.

Dans le cadre de ses recherches, le Demandeur a développé différents dispositifs de freinage de la bobine de matériau agissant latéralement sur les flancs de la bobine De tels dispositifs ne sont pas cependant applicables à l'invention.As part of his research, the Applicant has developed various material reel braking devices acting laterally on the sides of the coil Such devices are not however applicable to the invention.

Le Demandeur a également développé, dans ses recherches antérieures sur un autre type d'appareils de pliage du papier, un dispositif de contrôle de la tension de la bande de papier afin d'éviter un effet boucle lors d'une traction excessive sur le papier pouvant être effectué par l'opérateur. Un dispositif de ce genre a notamment été décrit dans le brevet français N. 2647048. Dans ce cas, le dispositif résidait dans la conception d'un portique articulé formant balancier disposé dans la partie avant de l'appareil. Ce balancier n'est pas cependant soumis directement à la notation du tambour du dispositif de coupe, de sorte que sa fonction simplifiée reste le contrôle et l'absorption d'une boucle de bande de matériau en cas d'effort de traction excessif.The Applicant has also developed, in its research prior to another type of paper folding apparatus, a device paper tape tension control to avoid an effect loop when excessive pulling on paper can be done by the operator. A device of this kind has in particular been described in the French patent N. 2647048. In this case, the device resided in the design of an articulated gantry forming a pendulum arranged in the part front of the unit. This balance is not, however, directly subject to the notation of the drum of the cutting device, so that its function simplified remains the control and absorption of a band loop of material in the event of excessive tensile force.

Le but recherché selon l'invention était de concevoir un nouveau dispositif qui puisse contrôler le déroulement de la bobine de matérieau sans contrainte par rapport à la coupe des flancs de celle-ci, et qui puisse permettre une distribution aisée et fiable de la bande de matériau. The aim sought after according to the invention was to design a new device that can control the unwinding of the material reel without constraint with respect to the cutting of the sides thereof, and which can allow easy and reliable distribution of the strip of material.

Un autre but selon l'invention était de concevoir un système simple de faible coût de fabrication et qui puisse s'intégrer sans difficulté particulière à tout type d'appareil existant simple rouleau, double rouleau, à version pliée ou non pliée de la bande de papier.Another object according to the invention was to design a simple system low manufacturing cost and which can be easily integrated particular to any type of existing device single roller, double roll, folded or unfolded version of the paper strip.

Selon une première caractéristique de l'invention, l'appareil distributeur de matériau d'essuyage pouvant être distribué sous forme pliée ou non pliée, du type comprenant un carter, un couvercle, un tambour, un dispositif de coupe ntégré dans le tambour, un élément presseur ainsi que des moyens de lancement et de rappel du tambour incluant un excentrique et un ressort, dans sa partie haute, le carter recevant deux flasques susceptibles de recevoir une bobine de matériau d'essuyage, ledit tambour et l'élément presseur étant maintenus entre des flasques établis perpendiculairement par rapport au plan arrière du carter, est remarquable en ce qu'il comprend un dispositif de contrôle de la rotation du tambour agencé avec un levier profilé articulé à sa base à l'encontre d'un moyen élastique de rappel, ledit levier étant agencé dans sa partie supérieure avec un axe support d'un couple de poulies montées libres en rotation, et en ce que la première poulie est associée par une courroie d'entraínement avec l'un des moyens d'entraínement et de pression du papier avant sa coupe, et la deuxième poulie est agencée pour venir coopérer en appui et par l'arrière sur la bobine de matérieau.According to a first characteristic of the invention, the device wiping material dispenser which can be dispensed in the form folded or unfolded, of the type comprising a housing, a cover, a drum, a cutter integrated in the drum, an element presser as well as means for launching and recalling the drum including an eccentric and a spring, in its upper part, the casing receiving two flanges capable of receiving a coil of material wiping, said drum and the pressing element being held between flanges established perpendicularly to the rear plane of the housing, is remarkable in that it includes a device for controlling the rotation of the drum arranged with a profiled lever articulated at its base at against an elastic return means, said lever being arranged in its upper part with a support axis of a couple of pulleys mounted free in rotation, and in that the first pulley is associated by a drive belt with one of the drive means and paper pressure before cutting, and the second pulley is arranged to come to cooperate in support and from behind on the material reel.

Ces caractéristiques et d'autres encore ressortiront bien de la suite de la description.

  • La figure 1 est une vue en coupe transversale d'un appareil distributeur incluant le dispositif de contrôle de la rotation de la bobine de matériau.
  • La figure 2 est une vue en coupe et en plan selon la ligne 2-2 de la figure 1 montrant au repos (non fonctionnement de l'appareil) la position du dispositif de contrôle de la rotation de la bobine de matériau.
  • La figure 3 est une vue partielle à grande échelle illustrant le dispositif selon l'invention.
  • La figure 4 est une vue à caractère schématique illustrant le dispositif de l'invention.
  • La figure 5 est une vue à caractère schématique illustrant la non application du dispositif de l'invention et le déroulement en boucle de la bobine.
  • La figure 6 est une vue en variante illustrant la coopération de la courroie d'entraínement avec l'élément presseur en appui sur le tambour.
    • These characteristics and others will become apparent from the following description.
  • Figure 1 is a cross-sectional view of a dispensing apparatus including the device for controlling the rotation of the material reel.
  • Figure 2 is a sectional and plan view along line 2-2 of Figure 1 showing at rest (non-operation of the apparatus) the position of the device for controlling the rotation of the material reel.
  • Figure 3 is a partial view on a large scale illustrating the device according to the invention.
  • Figure 4 is a schematic view illustrating the device of the invention.
  • Figure 5 is a schematic view illustrating the non-application of the device of the invention and the looping of the coil.
  • Figure 6 is an alternative view illustrating the cooperation of the drive belt with the pressing element resting on the drum.

    • Afin de rendre plus concret l'objet de l'invention, on le décrit maintenant d'une manière non limitative illustrée aux figures des dessins.In order to make the object of the invention more concrete, it is described now in a nonlimiting manner illustrated in the figures of drawings.

    L'appareil est référencé dans son ensemble par (1) et comprend un carter (2), un couvercle (3), un tambour (4), un dispositif de coupe (5) intégré dans le tambour, un élément presseur (6) ainsi que des moyens de lancement et de rappel du tambour incluant un excentrique (7) et un ressort (8). L'ensemble de ces éléments à l'exception du ressort, est en matériau plastique. Dans sa partie haute, le carter reçoit deux flasques (2a - 2b) susceptibles de recevoir un parte-bobine (9) ou des embouts support d'alimentation d'une bobine (B) de matériau d'essuyage.The device is referenced as a whole by (1) and includes a casing (2), a cover (3), a drum (4), a cutting device (5) integrated in the drum, a pressing element (6) as well as means for drum launch and recall including an eccentric (7) and a spring (8). All of these elements except the spring, are in plastic material. In its upper part, the casing receives two flanges (2a - 2b) capable of receiving a coil guard (9) or end caps supply of a reel (B) of wiping material.

    Le tambour (4) et l'élément presseur sont également maintenus entre des flasques (2c - 2d) établis perpendiculairement par rapport au plan arrière (2e) du carter. Le tambour comprend un axe (4a) se prolongeant à ses extrémités pour former, d'une part, un bouton de manoeuvre et, d'autre part, au-delà du flasque récepteur (2c), un levier excentrique (7) susceptible de recevoir le ressort (8) de lancement et de rappel. L'ensemble tambour (4) élément presseur (6) permet le passage et l'entraínement de la bande de papier derrière le tambour en vue de sa coupe, l'élément presseur étant en appui sur le tambour et l'ensemble tournant à la manière d'un engrenage en sens opposé.The drum (4) and the pressing element are also held between flanges (2c - 2d) established perpendicular to the plane rear (2e) of the housing. The drum comprises an axis (4a) extending to its ends to form, on the one hand, an operating button and, on the other hand, beyond the receiving flange (2c), an eccentric lever (7) capable of receiving the launch and return spring (8). All drum (4) pressing element (6) allows the passage and the strip of paper behind the drum for cutting, the element presser being supported on the drum and the assembly rotating at the way of a gear in opposite direction.

    Un rouleau suiveur (10) est disposé dans la partie basse du carter ayant pour objet notamment, d'une manière connue, la protection des mains de l'utilisateur en se trouvant à l'endroit de sortie du papier hors de l'appareil, et le guidage de la sortie du papier.A follower roller (10) is arranged in the lower part of the casing having in particular, in a known manner, the protection of hands of the user being at the place of exit of the paper out of the machine, and guiding the paper outlet.

    Le dispositif de contrôle de la rotation de la bobine est référencé dans son ensemble par (12). Il comprend essentiellement un levier coudé articulé à sa base par sa petite aile (12a) sur le flasque inférieur (2c) support du tambour et rouleau presseur. Ce levier est articulé sur un axe (11) fixé au carter à l'encontre d'un moyen élastique de rappel (13) dont une extrémité (13a) est fixée dans la partie intérieure coudée (12b) du levier et l'autre (13b) à l'avant du flasque (2c). Ce moyen de rappel établi sous forme d'un ressort est sollicité en extension. A l'extrémité supérieure (12c) de son bras (12d), le levier est agencé directement par moulage avec un axe-support (14) de deux poulies ou galets (15 et 16) montés libre en rotation sur l'axe support Une première poulie (15), de petit diamètre, est susceptible de se trouver dans le plan d'une gorge (4b) formée sur un flasque (4c) rapporté à l'extrémité en regard du tambour (4) pour permettre la réception d'une courroie (17) d'entraínement et de liaison. La seconde poulie ou galet (16) présente une gorge (16a) susceptible de recevoir un jonc (18) constituant un moyen de friction avec la bobine de matériau. Cette seconde poulie (16) est susceptible de venir en appui par l'arrière contre la bobine de matériau (B) en assurant ainsi un contact de freinage. Les deux poulies (15 - 16) sont clavetées sur le même axe et donc entraínées en rotation simultanément. D'autres moyens de montage équivalents peuvent être envisagés.The coil rotation control device is referenced in as a whole by (12). It basically includes a bent lever articulated at its base by its small wing (12a) on the lower flange (2c) support drum and pressure roller. This lever is articulated on a pin (11) fixed to the casing against an elastic return means (13), one of which end (13a) is fixed in the bent interior part (12b) of the lever and the other (13b) at the front of the flange (2c). This means of recall established under shape of a spring is stressed in extension. At the upper end (12c) of its arm (12d), the lever is arranged directly by molding with a support axis (14) of two pulleys or rollers (15 and 16) mounted free in rotation on the support axis A first pulley (15), of small diameter, is likely to be in the plane of a groove (4b) formed on a flange (4c) attached to the opposite end of the drum (4) to allow the reception of a drive and connection belt (17). The second pulley or roller (16) has a groove (16a) capable of receiving a rod (18) constituting a means of friction with the coil of material. This second pulley (16) is capable of coming to bear by the rear against the material reel (B) thus ensuring contact braking. The two pulleys (15 - 16) are keyed on the same axis and therefore driven in rotation simultaneously. Other mounting methods equivalents can be considered.

    La bobine de matériau, lorsqu'elle est présentée dans l'appareil, vient solliciter en appui le levier (12) par sa poulie (16) et entraíner le basculement vers l'arrière dudit levier à l'encontre du moyen de rappel (13) élastique préàté. La course du levier est donc établie sur une certaine distance correspondant au moins au diamètre initial de la bobine pour être en fonction dès sa mise en place Jusqu'à épuisement de celle-ci. La poulie (16) formant galet suiveur est toujours en contact avec la bobine de matériau de par l'effet de rappel du moyen élastique. Avantageusement, un point de butée (12e) en saillie est établi sur le chant supérieur du levier pour venir en butée sur la partie supérieure du flasque (2c).The material reel, when presented in the device, comes to press the lever (12) by its pulley (16) and drive the rearward tilting of said lever against the return means (13) pre-elasticated. The lever stroke is therefore established over a certain distance corresponding at least to the initial diameter of the coil for be in operation as soon as it is put in place Until it is exhausted. The pulley (16) forming a follower roller is always in contact with the reel of material due to the return effect of the elastic means. Advantageously, a projecting stop point (12e) is established on the upper edge of the lever to come into abutment on the upper part of the flange (2c).

    Le dispositif selon l'invention est d'une grande simplicité. Son montage est aisé et sa fabrication peu coûteuse.The device according to the invention is very simple. His assembly is easy and inexpensive to manufacture.

    L'avantage du dispositif réside dans le fait que le galet (16) est toujours en contact avec la bobine et toute rotation de celle-ci par suite de l'effet de traction d'un morceau de papier par l'utilisateur entraíne ipso-facto la rotation du tambour sousjacent par l'effet d'entraínement de la courroie de liaison entre la première poulie et le flasque associé au tambour. On obtient ainsi une meilleure rotation du tambour, sans être gêné par des variations dimensionnelles éventuelles de la bobine de matériau et notamment de ses côtés transversaux. L'effort est limité. Il n'y a pas d'usure. Le freinage de la bobine en rotation est automatique et on supprime ainsi le phénomène d'apparition d'une boucle d'une bande de papier lorsqu'un effort de traction excessif est effectué, cette boucle apparaissant entre la bobine et le tambour en amont du dispositif de coupe. Le galet, en appui sur la bobine de matériau, permet en quelque sorte un effet de rattrapage de jeu. Cela est obtenu par un diamètre du galet inférieur à celui du tambour de sorte que le différentiel permet d'obtenir une mise en tension constante du papier. Ce dispositif est particulièrement avantageux en ce qu'il permet la distribution de toute bande de papier en tout matériau souhaité y compris pour des bandes composées d'une seule couche de papier, donc très fines en épaisseur et fragiles.The advantage of the device lies in the fact that the roller (16) is always in contact with the coil and any rotation thereof as a result of the pull effect of a piece of paper by the user ipso-facto the rotation of the underlying drum by the drive effect of the connecting belt between the first pulley and the flange associated with the drum. This gives better rotation of the drum, without being hindered by possible dimensional variations of the coil material and especially its transverse sides. The effort is limited. There has no wear. Braking of the rotating coil is automatic and thus eliminates the phenomenon of the appearance of a loop of a band of paper when excessive tensile force is applied, this loop appearing between the coil and the drum upstream of the chopped off. The roller, supported on the material reel, allows in some so a backlash effect. This is obtained by a diameter of the roller lower than that of the drum so that the differential allows to obtain a constant tensioning of the paper. This device is particularly advantageous in that it allows the distribution of any paper strip of any desired material including for strips composed of a single layer of paper, therefore very thin in thickness and fragile.

    Sans sortir du cadre de l'invention, le dispositif peut être agencé en prévoyant l'accouplement de la courroie avec l'élément presseur (6) supérieur en contact avec le tambour, comme représenté figure 6. Dans ce cas, la courroie (17) s'engage dans la gorge (6a) de l'élément presseur et elle est montée croisée pour entraíner toujours dans le même sens.Without departing from the scope of the invention, the device can be arranged in providing for coupling of the belt with the pressing element (6) upper in contact with the drum, as shown in figure 6. In this case, the belt (17) engages in the groove (6a) of the pressing element and it is mounted cross to always train in the same direction.

    Dans l'hypothèse où le levier (12) serait dégagé au-delà du simple contact contre la bobine de matériau, alors la bande de papier pourrait former une boucle en cas d'effet de traction excessif comme représenté figure 5, et représentant alors la technique de l'art antérieur.In the event that the lever (12) is released beyond the simple contact against the material reel, then the paper strip could form a loop in the event of excessive traction as shown Figure 5, and then representing the technique of the prior art.

    Les avantages ressortent bien de l'invention et l'on souligne sa simplicité. Un avantage complémentaire résultant de l'invention réside dans la facilité de chargement de la bobine de matériau. En effet, lors de la place de celle-ci dans l'appareil, elle vient en contact avec le galet d'appui arrière qui l'entraíne alors en rotation permettant la présentation de l'extrémité de la bande de matériau dans un plan situé vers le tambour et le rouleau presseur. Il s'agit d'un avantage complémentaire intéressant pour la personne qui procède au chargement de l'appareil.The advantages emerge clearly from the invention and its simplicity. An additional advantage resulting from the invention lies in the ease of loading the material reel. Indeed, during the place it in the device, it comes into contact with the support roller rear which causes it to rotate allowing the presentation of the end of the strip of material in a plane situated towards the drum and the pressure roller. This is an interesting additional advantage for the person who charges the device.

    Claims (7)

    1. Folded/unfolded paper towel dispensing apparatus of the type comprising a housing (2), a cover (3), a drum (4), a cutting device (5) incorporated in the drum, a tensioning device (6) as well as means of actuating and reversing the drum including an eccentric lever (7) and a spring (8), the upper part of the housing having two flanges (2a-2b) capable of accommodating a reel (B) of paper towel, said drum (4) and the tensioning device being secured between flanges (2c-2d) located at right angles to the rear plane (2e) of the housing, characterised in that it comprises a device for controlling the rotation of the drum, fitted with a shaped lever (12) hinged at its base in opposition to an elastic return means (13), the upper part of said lever being fitted with a support shaft (14), supporting a pair of freely-rotatable pulleys (15-16),
      and in that the first pulley (15) is associated through a drive belt with one of the means of feeding and tensioning the paper before it is cut, and the second pulley (16) is arranged so as to come into contact with the rear of the reel of material.
    2. Apparatus as claimed in claim 1, characterised in that pulley (16) has a groove (16a) for receiving a means of friction (18) of the toric ring type cooperating with the reel of material.
    3. Apparatus as claimed in claim 1, characterised in that lever (12) has a short leg (12a) hinged on the lower flange (2c) supporting the drum and tensioning device, return means (13) having an end which is attached to the lower bent part of the lever, the other end being fixed to flange (2c) of the housing.
    4. Apparatus as claimed in claim 1, characterised in that drum (4) presents, at its end, flange (4c) defining a groove (4b) to receive the driving and linking belt (17).
    5. Apparatus as claimed in claim 3, characterised in that lever (12) is hinged with travel corresponding at least to the initial diameter of the reel until said reel is used up.
    6. Apparatus as claimed in claim 5, characterised in that the lever has a protruding limit stop (12e) on its upper edge to stop against the upper part of flange (2c).
    7. Apparatus as claimed in claim 1, characterised in that the drive belt (17) is fitted into a groove (6a) of the tensioning device and is mounted crossed in order to rotate the drum in the same direction.
    EP96942428A 1996-01-03 1996-12-19 Apparatus for dispensing folded or non-folded wiping materials Expired - Lifetime EP0871390B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    FR9600148A FR2743057B1 (en) 1996-01-03 1996-01-03 APPARATUS FOR DISPENSING WIPING MATERIALS WHICH CAN BE DISTRIBUTED IN FOLDED OR UNFOLDED FORM
    FR9600148 1996-01-03
    PCT/FR1996/002026 WO1997024970A1 (en) 1996-01-03 1996-12-19 Apparatus for dispensing folded or non-folded wiping materials

    Publications (2)

    Publication Number Publication Date
    EP0871390A1 EP0871390A1 (en) 1998-10-21
    EP0871390B1 true EP0871390B1 (en) 1999-06-23

    Family

    ID=9487961

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP96942428A Expired - Lifetime EP0871390B1 (en) 1996-01-03 1996-12-19 Apparatus for dispensing folded or non-folded wiping materials

    Country Status (13)

    Country Link
    US (1) US6196102B1 (en)
    EP (1) EP0871390B1 (en)
    CN (1) CN1098667C (en)
    AT (1) ATE181490T1 (en)
    AU (1) AU702809B2 (en)
    DE (1) DE69603033T2 (en)
    ES (1) ES2134025T3 (en)
    FR (1) FR2743057B1 (en)
    GR (1) GR3031171T3 (en)
    MX (1) MX9806053A (en)
    TW (1) TW323225B (en)
    WO (1) WO1997024970A1 (en)
    ZA (1) ZA9715B (en)

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    FR2778902B1 (en) 1998-05-25 2000-06-30 Maurice Granger WIPER MATERIAL DISPENSING APPARATUS
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    FR2779930B1 (en) * 1998-06-19 2000-08-11 Maurice Granger DEVICE FOR CONTROLLING AND LIMITING THE ROTATION OF THE DRUM IN A WIPING MATERIAL DISPENSING APPARATUS
    WO2001030226A1 (en) * 1999-10-26 2001-05-03 Maurice Granger Device for distributing wiping material
    FR2799946B1 (en) * 1999-10-26 2001-11-23 Maurice Granger WIPER MATERIAL DISPENSING APPARATUS
    FR2805448B1 (en) * 2000-02-29 2002-05-10 Maurice Granger APPARATUS FOR DISPENSING WIPING MATERIALS
    US6607160B2 (en) 2001-07-30 2003-08-19 Kimberly-Clark Worldwide Easy loading dispenser
    FR2828083B1 (en) 2001-07-31 2003-10-17 Maurice Granger ANTI-LOOP COIL FLANGE IN A WIPING MATERIAL DISPENSING APPARATUS
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    Also Published As

    Publication number Publication date
    US6196102B1 (en) 2001-03-06
    ATE181490T1 (en) 1999-07-15
    CN1098667C (en) 2003-01-15
    CN1209042A (en) 1999-02-24
    FR2743057B1 (en) 1998-02-13
    TW323225B (en) 1997-12-21
    GR3031171T3 (en) 1999-12-31
    ZA9715B (en) 1997-07-11
    WO1997024970A1 (en) 1997-07-17
    AU1180497A (en) 1997-08-01
    AU702809B2 (en) 1999-03-04
    FR2743057A1 (en) 1997-07-04
    EP0871390A1 (en) 1998-10-21
    ES2134025T3 (en) 1999-09-16
    MX9806053A (en) 1998-11-30
    DE69603033D1 (en) 1999-07-29
    DE69603033T2 (en) 1999-12-09

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