EP0871390A1 - Apparatus for dispensing folded or non-folded wiping materials - Google Patents

Apparatus for dispensing folded or non-folded wiping materials

Info

Publication number
EP0871390A1
EP0871390A1 EP96942428A EP96942428A EP0871390A1 EP 0871390 A1 EP0871390 A1 EP 0871390A1 EP 96942428 A EP96942428 A EP 96942428A EP 96942428 A EP96942428 A EP 96942428A EP 0871390 A1 EP0871390 A1 EP 0871390A1
Authority
EP
European Patent Office
Prior art keywords
drum
lever
reel
pulley
casing
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.)
Granted
Application number
EP96942428A
Other languages
German (de)
French (fr)
Other versions
EP0871390B1 (en
Inventor
Maurice Granger
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0871390A1 publication Critical patent/EP0871390A1/en
Application granted granted Critical
Publication of EP0871390B1 publication Critical patent/EP0871390B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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 devices for dispensing wiping paper, cellulose wadding, crepe paper, or similar materials intended more particularly for wiping the hands of users, for dispensing toilet paper, for distribution of paper towels.
  • the aim sought after according to the invention was therefore to control the rotation of the roll or reel of material, so as to overcome the aforementioned drawback.
  • the Applicant has also developed, in its previous research on another type of paper folding apparatus, a device for controlling the tension of the paper web in order to avoid a loop effect during excessive traction on the paper. can be performed by the operator.
  • a device of this kind has in particular been described in French patent N. 89.06823.
  • the device resided in the design of an articulated gantry forming a pendulum arranged in the front part of the device. This balance is not, however, directly subjected to the rotation of the drum of the cutting device, so that its simplified function remains the control and absorption of a loop of material strip in the event of excessive tensile force.
  • the aim sought after according to the invention was to design a new device which can control the unwinding of the reel of material without constraint with respect to the cutting of the sides thereof, and which can allow an easy and reliable distribution of the strip of material.
  • Another object according to the invention was to design a simple system of low manufacturing cost which can be integrated without any particular difficulty into any type of existing device single roll, double roll, with folded or unfolded version of the strip of paper.
  • the device for dispensing wiping material which can be dispensed in folded or unfolded form, of the type comprising a casing, a cover, a drum, a cutting device integrated in the drum, a pressing element as well as means for launching and returning the drum including an eccentric and a spring, in its upper part, the casing receiving two flanges capable of receiving a coil of wiping material, said drum and the pressing element being maintained between flanges established perpendicularly to the rear plane of the housing, is remarkable in that it comprises a device for controlling the rotation of the drum arranged with a profiled lever articulated at its base 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 linked by a drive belt with one of the means for driving and pressing the paper before it is cut, and the second pulley is arranged to cooperate in support and from behind on the reel of material.
  • 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 the Figure 1 showing at rest (non-operation of the device) 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 bearing on the drum.
  • the device is referenced as a whole by (1) and comprises 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 launching and returning the drum including an eccentric (7) and a spring (8). All of these elements, except the spring, are made of plastic.
  • the casing receives two flanges (2a - 2b) capable of receiving a reel holder (9) or end pieces supplying a reel (B) of wiping material.
  • the drum (4) and the pressing element are also held between flanges (2c - 2d) established perpendicularly to the rear plane (2e) of the casing.
  • the drum comprises an axis (4a) extending at 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).
  • the drum assembly (4) pressing element (6) allows the passage and the entrainment of the paper strip behind the drum for its cutting, the pressing element being in abutment 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 the user's hands by being at the point where the paper exits the device, and guiding the paper exit.
  • the coil rotation control device is referenced as a whole by (12). It essentially comprises a bent lever articulated at its base by its small wing (12a) on the lower flange (2c) support of the drum and pressure roller. This lever is articulated on an axis (11) fixed to the casing against an elastic return means (13), one end (13a) of which is fixed in the bent interior part (12b) of the lever and the other (13b) at the front of the flange (2c). This return means established in the form of a spring is requested to extend.
  • the lever is arranged directly by molding with a support axis (14) of two pulleys or rollers (15 and 16) mounted to rotate freely 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 from the rear against the reel of material (B) thereby ensuring a braking contact.
  • 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 reel of material when presented in the device, comes to press the lever (12) by its pulley (16) and causes the lever to tilt backwards against the elastic return means (13) cited above.
  • the stroke of the lever is therefore established over a certain distance corresponding at least to the initial diameter of the coil to be in operation from its installation until the exhaustion thereof.
  • the pulley (16) forming a follower roller is always in contact with the material reel due to the return effect of the elastic means.
  • a projecting abutment point (12e) is established on the upper edge of the lever to abut on the upper part of the flange (2c).
  • the device according to the invention is very simple. It is easy to assemble and inexpensive to manufacture.
  • the advantage of the device lies in the fact that the roller (16) is always in contact with the spool and any rotation of the latter as a result of the pulling effect of a piece of paper by the user ipso- facto the rotation of the underlying drum by the driving effect of the connecting belt between the first pulley and the flange associated with the drum.
  • a better rotation of the drum is thus obtained, without being hampered by possible dimensional variations of the material reel and in particular of its transverse sides.
  • the effort is limited. There is no wear.
  • the braking of the rotating coil is automatic and this eliminates the phenomenon of the appearance of a loop of a strip of paper when an excessive tensile force is applied, this loop appearing between the coil and the drum upstream of the cutting device.
  • the roller resting on the reel of material, allows in a way a backlash effect. This is obtained by a diameter of the roller smaller 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 strip of paper 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 by providing for the coupling of the belt with the upper pressing element (6) in contact with the drum, as shown in FIG. 6.
  • the belt (17 ) engages in the groove (6a) of the pressing element and it is mounted crossed to always drive in the same direction.
  • An additional advantage resulting from the invention lies in the ease of loading the reel of material. Indeed, when it is placed in the device, it comes into contact with the rear support roller which then drives it in rotation allowing the end of the strip of material to be presented in a plane located towards the drum and the pressure roller. This is an advantageous 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)
  • Sanitary Thin Papers (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (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

APPAREIL DISTRIBUTEUR DE MATERIAUX PΕSSUYAGE POUVANT ÊTRE DISTRIBUES SOUS FORME Pf JFR flIT NON Pf TRF. APPARATUS FOR DISPENSING MATERIALS WHICH CAN BE DISTRIBUTED IN THE FORM Pf JFR flIT NON Pf TRF.
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 devices for dispensing wiping paper, cellulose wadding, crepe paper, or similar materials intended more particularly for wiping the hands of users, for dispensing toilet paper, for distribution 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 95.01693. 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 device including a device for controlling and unwinding the reel of material has been described in French patent application 95.01693. This patent defined a device for braking the material supply coil which was associated with the operating cycle of the device with the rotation over one revolution of the drum, this device being articulated with respect to the casing ensuring, depending on the operation or the non-operation of the device, a braking contact on at least one of the lateral sides of the coil and a release of the latter during 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 apparaît 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 within the framework of an automated production process. In fact, the different coils that can be used according to the invention result from a manufacture of a long length of coil which is then cut into modules using appropriate tools. It therefore happens that, by the mechanisms used, the transverse cuts of each reel are not carried out with the greatest accuracy, so that when the reel is introduced into the paper dispensing apparatus, there may be certain jamming effects. or device malfunction. This drawback appears clearly in the event of traction in oblique of the paper strip by the user. Thus, even taking all the necessary precautions in the design of cutting automations, it can happen that the reels of material have a rewinding differential of a few millimeters, which is therefore detrimental to the operation of the device in which they are s 'integrate.
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 of the roll or reel of material, so as to overcome the aforementioned drawback.
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 different devices for braking the reel of material acting laterally on the sides of the reel. 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. 89.06823. 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 rotation 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 previous research on another type of paper folding apparatus, a device for controlling the tension of the paper web in order to avoid a loop effect during excessive traction on the paper. can be performed by the operator. A device of this kind has in particular been described in French patent N. 89.06823. In this case, the device resided in the design of an articulated gantry forming a pendulum arranged in the front part of the device. This balance is not, however, directly subjected to the rotation of the drum of the cutting device, so that its simplified function remains the control and absorption of a loop of material strip 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 matériau 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. O 97/24970 PC17FR96/02026The aim sought after according to the invention was to design a new device which can control the unwinding of the reel of material without constraint with respect to the cutting of the sides thereof, and which can allow an easy and reliable distribution of the strip of material. O 97/24970 PC17FR96 / 02026
3 -3 -
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 of low manufacturing cost which can be integrated without any particular difficulty into any type of existing device single roll, double roll, with folded or unfolded version of the strip of paper.
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 rencontre 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'entraînement avec l'un des moyens d'entraînement 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 matériau.According to a first characteristic of the invention, the device for dispensing wiping material which can be dispensed in folded or unfolded form, of the type comprising a casing, a cover, a drum, a cutting device integrated in the drum, a pressing element as well as means for launching and returning the drum including an eccentric and a spring, in its upper part, the casing receiving two flanges capable of receiving a coil of wiping material, said drum and the pressing element being maintained between flanges established perpendicularly to the rear plane of the housing, is remarkable in that it comprises a device for controlling the rotation of the drum arranged with a profiled lever articulated at its base 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 linked by a drive belt with one of the means for driving and pressing the paper before it is cut, and the second pulley is arranged to cooperate in support and from behind on the reel of material.
Ces caractéristiques et d'autres encore ressortiront bien de la suite de la description.These characteristics and others will become apparent from the following 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.Figure 1 is a cross-sectional view of a dispensing apparatus including the device for controlling the rotation of the material reel.
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.Figure 2 is a sectional and plan view along line 2-2 of the Figure 1 showing at rest (non-operation of the device) the position of the device for controlling the rotation of the material reel.
La figure 3 est une vue partielle à grande échelle illustrant le dispositif selon l'invention.Figure 3 is a partial view on a large scale illustrating the device according to the invention.
La figure 4 est une vue à caractère schématique illustrant le dispositif de l'invention.Figure 4 is a schematic view illustrating the device of the 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.Figure 5 is a schematic view illustrating the non-application of the device of the invention and the looping of the coil.
La figure 6 est une vue en variante illustrant la coopération de la courroie d'entraînement avec l'élément presseur en appui sur le tambour.Figure 6 is an alternative view illustrating the cooperation of the drive belt with the pressing element bearing 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 now described in a nonlimiting manner illustrated in the figures of the 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 porte-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 comprises 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 launching and returning the drum including an eccentric (7) and a spring (8). All of these elements, except the spring, are made of plastic. In its upper part, the casing receives two flanges (2a - 2b) capable of receiving a reel holder (9) or end pieces supplying 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'entraînement 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 perpendicularly to the rear plane (2e) of the casing. The drum comprises an axis (4a) extending at 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). The drum assembly (4) pressing element (6) allows the passage and the entrainment of the paper strip behind the drum for its cutting, the pressing element being in abutment 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 the user's hands by being at the point where the paper exits the device, and guiding the paper exit.
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 rencontre 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'entraînement 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 entraînées en rotation simultanément. D'autres moyens de montage équivalents peuvent être envisagés.The coil rotation control device is referenced as a whole by (12). It essentially comprises a bent lever articulated at its base by its small wing (12a) on the lower flange (2c) support of the drum and pressure roller. This lever is articulated on an axis (11) fixed to the casing against an elastic return means (13), one end (13a) of which is fixed in the bent interior part (12b) of the lever and the other (13b) at the front of the flange (2c). This return means established in the form of a spring is requested to extend. 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 to rotate freely 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 from the rear against the reel of material (B) thereby ensuring a braking contact. 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 entraîner le basculement vers l'arrière dudit levier à rencontre du moyen de rappel (13) élastique précité. 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 reel of material, when presented in the device, comes to press the lever (12) by its pulley (16) and causes the lever to tilt backwards against the elastic return means (13) cited above. The stroke of the lever is therefore established over a certain distance corresponding at least to the initial diameter of the coil to be in operation from its installation until the exhaustion thereof. The pulley (16) forming a follower roller is always in contact with the material reel due to the return effect of the elastic means. Advantageously, a projecting abutment point (12e) is established on the upper edge of the lever to abut 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. It is easy to assemble 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 entraîne ipso-facto la rotation du tambour sousjacent par l'effet d'entraînement 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 spool and any rotation of the latter as a result of the pulling effect of a piece of paper by the user ipso- facto the rotation of the underlying drum by the driving effect of the connecting belt between the first pulley and the flange associated with the drum. A better rotation of the drum is thus obtained, without being hampered by possible dimensional variations of the material reel and in particular of its transverse sides. The effort is limited. There is no wear. The braking of the rotating coil is automatic and this eliminates the phenomenon of the appearance of a loop of a strip of paper when an excessive tensile force is applied, this loop appearing between the coil and the drum upstream of the cutting device. The roller, resting on the reel of material, allows in a way a backlash effect. This is obtained by a diameter of the roller smaller 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 strip of paper 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 entraîner toujours dans le même sens.Without departing from the scope of the invention, the device can be arranged by providing for the coupling of the belt with the upper pressing element (6) in contact with the drum, as shown in FIG. 6. In this case, the belt (17 ) engages in the groove (6a) of the pressing element and it is mounted crossed to always drive 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 reel of material, then the paper strip could form a loop in the event of an excessive pulling effect as shown in FIG. 5, and then representing the prior art technique.
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'entraîne 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 are evident from the invention and its simplicity is emphasized. An additional advantage resulting from the invention lies in the ease of loading the reel of material. Indeed, when it is placed in the device, it comes into contact with the rear support roller which then drives it in rotation allowing the end of the strip of material to be presented in a plane located towards the drum and the pressure roller. This is an advantageous additional advantage for the person who charges the device.

Claims

R E V E N D I C A T I O N S R E V E N D I C A T I O N S
-1- Appareil distributeur de matériau d'essuyage pouvant être distribué sous forme pliée ou non pliée, du type comprenant 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), dans sa partie haute, le carter recevant deux flasques (2a - 2b) susceptibles de recevoir une bobine (B) de matériau d'essuyage, ledit tambour (4) et l'élément presseur étant maintenus entre des flasques (2c - 2d) établis perpendiculairement par rapport au plan arrière (2e) du carter, c^rartérisé en ce qu'il comprend un dispositif de contrôle de la rotation du tambour agencé avec un levier (12) profilé articulé à sa base à rencontre d'un moyen élastique de rappel (13), ledit levier étant agencé dans sa partie supérieure avec un axe support (14) d'un couple de poulies (15 - 16) montées libres en rotation, et en ce que la première poulie (15) est associée par une courroie d'entraînement avec l'un des moyens d'entraînement et de pression du papier avant sa coupe, et la deuxième poulie (16) est agencée pour venir coopérer en appui et par l'arrière sur la bobine de matériau.-1- Device for dispensing wiping material which can be dispensed in folded or unfolded form, of the type comprising 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 launching and returning the drum including an eccentric (7) and a spring (8), in its upper part, the casing receiving two flanges (2a - 2b) capable of receiving a reel (B) of wiping material, said drum (4) and the pressing element being held between flanges (2c - 2d) established perpendicularly to the rear plane (2e) of the casing, divided into this that it comprises a device for controlling the rotation of the drum arranged with a profiled lever (12) articulated at its base against an elastic return means (13), said lever being arranged in its upper part with a support axis (14) of a couple of pulleys (15 - 16) mounted free in rotation, and in this that the first pulley (15) is associated by a drive belt with one of the means for driving and pressing the paper before it is cut, and the second pulley (16) is designed to cooperate in support and by the on the reel of material.
-2- Appareil selon la revendication 1, caractérisé en ce que la poulie (16) ou galet est agencé avec une gorge (16a) recevant un moyen de friction (18) du type jonc coopérant avec la bobine de matériau.-2- Apparatus according to claim 1, characterized in that the pulley (16) or roller is arranged with a groove (16a) receiving a friction means (18) of the rod type cooperating with the coil of material.
-3- Appareil selon la revendication 1, caractérisé en ce que le levier (12) comprend une petite aile (12a) fixée à articulation sur le flasque inférieur (2c) support du tambour et rouleau presseur, le moyen de rappel (13) présentant une extrémité solidaire de la partie inférieure coudée du levier, et l'autre extrémité fixée sur le flasque (2c) du carter. -4- Appareil selon la revendication 1, caractérisé en ce que le tambour (4) présente, à son extrémité, un flasque (4c) définissant une gorge (4b) réceptrice de la courroie d'entraînement et de liaison (17).-3- Apparatus according to claim 1, characterized in that the lever (12) comprises a small wing (12a) fixed to articulation on the lower flange (2c) drum support and pressure roller, the return means (13) having one end secured to the bent lower part of the lever, and the other end fixed to the flange (2c) of the casing. -4 Apparatus according to claim 1, characterized in that the drum (4) has, at its end, a flange (4c) defining a groove (4b) receiving the drive and connecting belt (17).
-5- Appareil selon la revendication 3, caractérisé en ce que le levier (12) est établi articulé avec une course correspondant au moins au diamètre initial de la bobine jusqu'à épuisement de celle-ci.-5- Apparatus according to claim 3, characterized in that the lever (12) is established articulated with a stroke corresponding at least to the initial diameter of the coil until exhaustion thereof.
-6- Appareil selon la revendication 5, caractérisé en ce que le levier présente un point de butée (12e) en saillie établi sur son chant supérieur pour venir en butée sur la partie supérieure du flasque (2c).-6 Apparatus according to claim 5, characterized in that the lever has a stop point (12e) projecting established on its upper edge to come into abutment on the upper part of the flange (2c).
-7- Appareil selon la revendication 1, caractérisé en ce que la courrie d'entraînement (17) est engagée dans une gorge (6a) de l'élément presseur en étant monté croisé pour permettre un entraînement dans le même sens. -7- Apparatus according to claim 1, characterized in that the drive belt (17) is engaged in a groove (6a) of the pressing element by being mounted crossed to allow a drive 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
FR9600148 1996-01-03
FR9600148A FR2743057B1 (en) 1996-01-03 1996-01-03 APPARATUS FOR DISPENSING WIPING MATERIALS WHICH CAN BE DISTRIBUTED IN FOLDED OR UNFOLDED FORM
PCT/FR1996/002026 WO1997024970A1 (en) 1996-01-03 1996-12-19 Apparatus for dispensing folded or non-folded wiping materials

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

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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)
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FR2743057A1 (en) 1997-07-04
ATE181490T1 (en) 1999-07-15
ES2134025T3 (en) 1999-09-16
GR3031171T3 (en) 1999-12-31
ZA9715B (en) 1997-07-11
DE69603033D1 (en) 1999-07-29
DE69603033T2 (en) 1999-12-09
FR2743057B1 (en) 1998-02-13
AU702809B2 (en) 1999-03-04
AU1180497A (en) 1997-08-01
US6196102B1 (en) 2001-03-06
TW323225B (en) 1997-12-21
CN1209042A (en) 1999-02-24
MX9806053A (en) 1998-11-30
EP0871390B1 (en) 1999-06-23
CN1098667C (en) 2003-01-15
WO1997024970A1 (en) 1997-07-17

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