EP1076505A1 - Automatic or semi-automatic wiping material and toilet paper dispenser - Google Patents

Automatic or semi-automatic wiping material and toilet paper dispenser

Info

Publication number
EP1076505A1
EP1076505A1 EP99911853A EP99911853A EP1076505A1 EP 1076505 A1 EP1076505 A1 EP 1076505A1 EP 99911853 A EP99911853 A EP 99911853A EP 99911853 A EP99911853 A EP 99911853A EP 1076505 A1 EP1076505 A1 EP 1076505A1
Authority
EP
European Patent Office
Prior art keywords
drum
hook
belt
paper
profiled
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
EP99911853A
Other languages
German (de)
French (fr)
Other versions
EP1076505B1 (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 EP1076505A1 publication Critical patent/EP1076505A1/en
Application granted granted Critical
Publication of EP1076505B1 publication Critical patent/EP1076505B1/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
    • 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
    • A47K10/3631—The cutting devices being driven manually
    • A47K2010/365—Triggering mechanism for the blade
    • 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 dispensing devices for wiping paper in cellulose wadding, crepe paper, and similar materials intended more particularly for wiping the hands of toilet paper users.
  • the drum has on an angular sector of its periphery a zone in excess thickness defined between the edge of the opening of passage of the cutting blade and a line corresponding to the axial end plane of the connecting and hooking axis at the end of the eccentric, allowing the drum to be launched with a view to cutting, said complementary zone being in contact with the presser means substantially retractable in position in a floating assembly to absorb changes in the thickness of the drum during the phase of pulling the stretched paper strip and then cutting said paper.
  • the applicant's approach has therefore been to eliminate this drawback by adding a device allowing the position of the drum in the apparatus to be controlled and avoiding the backward movement of said drum.
  • the device comprises a blocking device when the drum is stopped, established in the form of a profiled hook mounted at free articulation on the axis of the pressure roller, said hook being arranged with a lower part forming an arm, capable of being placed opposite and bearing on the belt in the profiled groove, the end of said arm having a projecting shape intended to be in contact with the belt and prevent the rotation of the drum backwards after cutting the strip of material.
  • FIG. 1 is a side view of the dispensing apparatus according to the invention
  • FIG. 2 is a perspective view illustrating a first embodiment of the control device in the drum position.
  • FIG. 3 is a front view in partial section of the dispensing apparatus
  • Figures 4 and 5 are partial views illustrating the positioning of the device for controlling the rotation of the drum by a second implementation of implementation, and this in the non-operating ( Figure 4) and operating ( Figure 5) phases .
  • a casing (2) molded in plastic material capable of receiving in its upper part a coil (3) for supplying wiping material or toilet paper held between upper flanges (4) attached to quick mounting, on the bottom crankcase or otherwise.
  • Lower flanges (5) are attached and fixed for quick mounting or otherwise on the bottom face (2a) of the casing and are fitted with notches allowing the fastening and quick mounting of the drum (6), which includes a cutting device (7) with serrated blade (7a).
  • This cutting device is articulated in the manner described above with a serrated heel mechanism (8) associated with the cutting blade which cooperates with a fixed rack (9) established on the inner flank (5b) of said flange (5) of the casing.
  • the drum has a longitudinal opening (6f) allowing the passage and exit of the cutting blade.
  • the drum is arranged in a known manner corresponding to the teaching of French patent 76.04664.
  • One end is positioned centered on one of the flanges of the casing while the other end has an axis (6a) projecting outside of the other flange, engaging and anchoring in a corresponding notch in the flange.
  • Said axis (6a) has an eccentric shape (6b) whose end (6c) forming a finger constitutes the point of attachment of one end (10a) of a return and launch spring (10), the latter having its other end (10b) fixed to the casing at the rear of the facing flange.
  • the pressing means (11) in the form of a cylinder has a length corresponding to that of the drum and is capable of being supported thereon, being positioned between the abovementioned flanges (5).
  • the dispensing apparatus further comprises a non-return device (12) for the reel of wiping material comprising a roller (13) bearing on the reel of wiping material; this roller is positioned between the flanges of the housing or on a bent lever (14) subject to an elastic return means (15) fixed to the flange (5) of the housing.
  • a belt (16) is capable of surrounding the drum (6) and the anti-buckle roller (13).
  • the drum is also arranged at one of its ends with a groove allowing the positioning of the aforementioned drive belt (16).
  • the drum has, on a part of its periphery, a thickened zone described above.
  • the receiving groove (6g) of the drive belt (16) with the roller (13) bearing against the roll of the paper strip having a function anti-loop, is defined in a known manner by the side wall of the drum (6h) and a flange (17) mounted axially and parallel on the shaft of said drum.
  • the groove (6g) is of an appropriate section corresponding to the reception of the drive (16) and connecting belt.
  • the device according to the invention aims to introduce a device (18) for blocking when the drum stops, this device being established in the form of a profiled hook mounted on the axis of the pressure roller (11) with free rotation relative to that -this.
  • Said hook (18) thus has a central hub shape (18a) positioned on the axis of the pressure roller (11) projecting from the latter, in a position such that the profiled lower part (18b) forming the arm of the hook is likely to be disposed facing and pressing on the connecting belt (16) connecting the drum (6) and the support roller (13) against the paper roll, in the profiled groove (6g) described above.
  • This hook (18) has in this respect on its lower arm (18b) an end which is curved to correspond to the profile of the drum (5) and substantially surround the corresponding belt part (16).
  • the free end (18c) of said hook (18) has internally asperities (18d) or notches which are profiled, and which do not prevent the rotation of the drum during the pulling of the paper strip by the spacing of said hook as will be explained later.
  • Said hook has in its upper part (18d) beyond its hub a profiled elastic tongue (18e) the end of which has a beak (18f) in return which is likely to bear on the flange (5) opposite the casing of the device.
  • This spout (18f) is constantly supported on said flange (5).
  • the assembly of the assembly gives the hook a certain elasticity by allowing a significant elastic deformation of its lower arm (18b) during the rotation of the drum.
  • the belt connecting the roller (13) bearing against the paper roll and the drum (6) tends to cause the separation of said drum. arm (18b) of said hook.
  • This situation corresponds to the pressing zone of the pressure roller (11) on the extra thickness formed on the drum.
  • the pressure roller (11) exerts a much less pressure on the drum as a result of the support exhaust on the excess thickness zone, the spout (18f) and the tongue (18e) formed in the upper part of the hook (18) have less stress, and by elastic relaxation will allow repositioning of the lower part of said hook against the aforementioned belt (16) by ensuring contact by the notched or projecting part of the free end of the hook on said belt and thus avoiding the drum going back.
  • an area (19) forming a belt blocking plate (16) can be produced at the bottom of the groove, this plate being located substantially in alignment with the dead center of the eccentric.
  • the belt (16) may be applied to the aforementioned dish by being pressed itself by the notched end of the aforementioned hook.
  • the hook (18) for controlling the rotation of the drum does not have in its upper part of elastic tongue.
  • the lower part (18b) of said hook is profiled so that it can come in its front part (18m) against a protective flap (20) fixedly mounted by snap-fastening between the wings or flanges (5) of the drum.
  • This component has a certain elasticity of deformation.
  • the initial rotation of the drum during the pulling phase of the paper strip causes the unwinding of the paper strip and the movement of the connecting belt between the support roller. (13) against the paper roll and the drum (6).
  • the belt (16) causes a release of the notched or projecting end (18d) of the hook (18) and a front support of the front part (18m) of said hook against the flap (20).
  • said hook is in abutment against said flap with an elastic deformation in its upper part.
  • the reduction in pressure between the pressure roller (11) and the drum (6) has the effect that said hook (18) is returned to the initial position under the relaxation effect of the deformation of the flap (20) and the hook (18) returns to its initial position coming in particular in the zone corresponding to the blocking plate (19) corresponding to the stopping in position of said drum.
  • the device of the invention ensures the locking in the total position of the drum. This in fact prevents the backward movement of the latter so that the strip of paper which is intended to be pulled by the user properly leaves the dispensing device.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Replacement Of Web Rolls (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Unwinding Webs (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Body Washing Hand Wipes And Brushes (AREA)
  • Sanitary Thin Papers (AREA)

Abstract

The invention concerns a dispenser comprising a device for lock-stopping the drum (6) arranged in the form of a shaped hook (18) mounted in free articulation on the pressing roll (11) shaft, said hook (18) being provided with a lower portion forming an arm (18b) capable of being arranged opposite and resting on the belt (16) in the shaped groove (6g), said arm (18b) end having a projecting form designed to be in contact with the belt (16) and prevent the drum (6) from rotating backwards after the material strip has been cut.

Description

APPAREIL DISTRIBUTEUR DE MATERIAUX D'ESSUYAGE ET PAPIER TOILETTE A FONCTIONNEMENT AUTOMATIQUE OU SEMI- AUTOMATIQUE. APPARATUS FOR DISPENSING WIPING MATERIALS AND TOILET PAPER WITH AUTOMATIC OR SEMI-AUTOMATIC OPERATION.
L'invention se rattache au secteur technique des appareils de distribution de papier d'essuyage en ouate de cellulose, papier crêpé, et matériaux similaires destinés plus particulièrement à l'essuyage des mains des utilisateurs de papier toilette.The invention relates to the technical sector of dispensing devices for wiping paper in cellulose wadding, crepe paper, and similar materials intended more particularly for wiping the hands of toilet paper users.
Il existe de très nombreux appareils d'essuyage à fonctionnement automatique et le demandeur a développé plusieurs appareils de ce type permettant la distribution de bandes de matériau plié ou non plié. Ces appareils qui font l'objet d'exploitation satisfaisantes sont du type comprenant un carter moulé en matière plastique recevant en partie haute un bobine d'alimentation en matériau d'essuyage, un tambour contenant un dispositif de coupe à lame dentelée, ainsi qu'un moyen presseur assurant l'alimentation de la bande de papier vers le tambour, et la mise en tension du papier. La lame de coupe est articulée dans le tambour en étant mise en mouvement par la coopération d'un talon denté associé à l'axe de la lame de coupe et coopérant avec un moyen à crémaillère positionné fixement et intérieurement sur une des ailes du carter. L'extrémité de ce tambour est associée par ailleurs à un mécanisme de lancement avec excentrique et ressort de rappel décrit et illustré dans le brevet FR 76.04664.There are many automatic wiping devices and the applicant has developed several devices of this type allowing the distribution of strips of folded or unfolded material. These devices which are the subject of satisfactory operation are of the type comprising a molded plastic casing receiving at the top a reel for supplying wiping material, a drum containing a cutting device with a serrated blade, as well as a pressing means ensuring the supply of the paper strip to the drum, and the tensioning of the paper. The cutting blade is articulated in the drum being set in motion by the cooperation of a toothed heel associated with the axis of the cutting blade and cooperating with a rack means positioned fixedly and internally on one of the wings of the housing. The end of this drum is also associated with a launching mechanism with eccentric and return spring described and illustrated in patent FR 76.04664.
Pour répondre à certaines difficultés de coupe rencontrées pour les papiers recyclés notamment du papier de large épaisseur non plié, ou papier plié comprenant plusieurs épaisseurs se juxtaposant, le demandeur a développé un nouvel agencement spécifique du tambour en modifiant la section circulaire initiale de ce dernier par une variation de son profil extérieur par la formation d'une surépaisseur sur une partie de sa périphérie. Cette amélioration a notamment été décrite dans le brevet français déposé le 24 Avril 1998. Cette modification de la section circulaire permet d'agir dans certaines phases de fonctionnement de l'appareil et de distribution et de coupe d'une bande de papier, en assurant une meilleure tension possible de la bande de matériau. Plus particulièrement, selon cette demande de brevet français, le tambour présente sur un secteur angulaire de sa périphérie une zone en surépaisseur définie entre le bord de l'ouverture de passage de la lame de coupe et une ligne correspondant au plan axial d'extrémité de l'axe de liaison et d'accrochage en bout de l'excentrique, permettant le lancement du tambour en vue de la coupe, ladite zone complémentaire étant en contact avec le moyen presseur sensiblement escamotable en position selon un montage flottant pour absorber les modifications de l'épaisseur du tambour lors de la phase de traction de la bande de papier étirée puis de la coupe dudit papier.To respond to certain cutting difficulties encountered for recycled paper, in particular large unfolded thick paper, or folded paper comprising several thicknesses which are juxtaposed, the applicant has developed a new specific arrangement of the drum by modifying the initial circular section of the latter by a variation of its external profile by the formation of an additional thickness on part of its periphery. This improvement has in particular been described in the French patent filed on April 24, 1998. This modification of the circular section makes it possible to act in certain phases of operation of the apparatus and of distribution and cutting of a strip of paper, ensuring better possible tension of the strip of material. More particularly, according to this French patent application, the drum has on an angular sector of its periphery a zone in excess thickness defined between the edge of the opening of passage of the cutting blade and a line corresponding to the axial end plane of the connecting and hooking axis at the end of the eccentric, allowing the drum to be launched with a view to cutting, said complementary zone being in contact with the presser means substantially retractable in position in a floating assembly to absorb changes in the thickness of the drum during the phase of pulling the stretched paper strip and then cutting said paper.
Compte tenu de la zone en surépaisseur établie sur .le tambour sur un secteur angulaire donné et correspondant à la phase de lancement du tambour pour la coupe, le demandeur a constaté qu'apparaissait une pression minimum sur la bande de papier après la coupe et ce après passage de la zone de surépaisseur. Le demandeur a de ce fait constaté que, de par la réaction du ressort d'excentrique de lancement du tambour, ce dernier avait une tendance à revenir en arrière à l' encontre de son sens de rotation normal, entraînant de ce fait la bande de papier dans un mouvement de retrait partiel, ladite bande ne débordant plus assez, et ne pouvant plus être saisie par l'opérateur.Taking into account the area in excess thickness established on the drum over a given angular sector and corresponding to the phase of launching the drum for cutting, the applicant has observed that a minimum pressure appears on the paper strip after cutting and this after passing the excess thickness zone. The Applicant has therefore found that, due to the reaction of the eccentric spring for launching the drum, the latter has a tendency to go backwards against its normal direction of rotation, thereby causing the band of paper in a partial withdrawal movement, said strip no longer overflowing enough, and can no longer be grasped by the operator.
La démarche du demandeur a donc été de supprimer cet inconvénient par l'adjonction d'un dispositif permettant le contrôle de la position du tambour dans l'appareil et en évitant le retour en arrière dudit tambour.The applicant's approach has therefore been to eliminate this drawback by adding a device allowing the position of the drum in the apparatus to be controlled and avoiding the backward movement of said drum.
Selon une première caractéristique, l'appareil comprend un dispositif de blocage en arrêt du tambour établi sous forme d'un crochet profilé monté à articulation libre sur l'axe du rouleau presseur, ledit crochet étant agencé avec une partie inférieure formant bras, susceptible d'être disposé en regard et en appui sur la courroie dans la gorge profilée, l'extrémité dudit bras présentant une forme en saillie destinée à être en contact avec la courroie et empêcher la rotation du tambour en arrière après coupe de la bande de matériau.According to a first characteristic, the device comprises a blocking device when the drum is stopped, established in the form of a profiled hook mounted at free articulation on the axis of the pressure roller, said hook being arranged with a lower part forming an arm, capable of being placed opposite and bearing on the belt in the profiled groove, the end of said arm having a projecting shape intended to be in contact with the belt and prevent the rotation of the drum backwards after cutting the strip 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.
Pour fixer l'objet de l'invention illustré d'une manière non limitative aux figures des dessins où :To fix the subject of the invention illustrated in a nonlimiting manner in the figures of the drawings where:
- la figure 1 est une vue de coté de l'appareil distributeur selon l'invention- Figure 1 is a side view of the dispensing apparatus according to the invention
- la figure 2 est une vue en perspective illustrant un premier mode de mise en œuvre du dispositif de contrôle en position du tambour. - la figure 3 est une vue de face et en coupe partielle de l'appareil distributeur- Figure 2 is a perspective view illustrating a first embodiment of the control device in the drum position. - Figure 3 is a front view in partial section of the dispensing apparatus
- Les figures 4 et 5 sont des vues partielles illustrant le positionnement du dispositif de contrôle de la rotation du tambour par une seconde mise en œuvre de réalisation, et ce dans les phases de non fonctionnement (figure 4) et de fonctionnement (figure 5).- Figures 4 and 5 are partial views illustrating the positioning of the device for controlling the rotation of the drum by a second implementation of implementation, and this in the non-operating (Figure 4) and operating (Figure 5) phases .
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.
On rappelle rapidement et succinctement, la conception d'un appareil distributeur pour essuie-mains et papier toilette référencé dans son ensemble par (1).We quickly and succinctly recall the design of a dispenser for hand towels and toilet paper referenced as a whole by (1).
Il comprend un carter (2) moulé en matière plastique susceptible de recevoir dans sa partie haute une bobine (3) d'alimentation en matériau d'essuyage ou papier toilette maintenue entre des flasques (4) supérieurs rapportés à montage rapide, sur le fond du carter ou autrement. Des flasques inférieurs (5) sont rapportés et fixés à montage rapide ou autrement sur la face de fond (2a) du carter et sont aménagés avec des échancrures autorisant la fixation et le montage rapide du tambour (6), lequel inclut un dispositif de coupe (7) à lame dentelée (7a). Ce dispositif de coupe est articulé de la manière décrite précédemment avec un mécanisme à talon (8) dentelé associé à la lame de coupe qui coopère avec une crémaillère fixe (9) établie sur le flanc intérieur (5b) de ladite flasque (5) du carter. Le tambour présente une ouverture longitudinale (6f) permettant le passage et la sortie de la lame de coupe. Le tambour est agencé de manière connue correspondant à l'enseignement du brevet français 76.04664. Une extrémité est positionnée centrée sur l'un des flasques du carter tandis que l'autre extrémité présente un axe (6a) en débordement extérieur de l'autre flasque, en s 'engageant et s 'ancrant dans une échancrure correspondante du flasque. Ledit axe (6a) présente une forme en excentrique (6b) dont l'extrémité (6c) formant doigt constitue le point d'attachement d'une extrémité (10a) d'un ressort de rappel et lancement (10), ce dernier ayant son autre extrémité (10b) fixée au carter à l' arrière du flasque en regard. Le moyen presseur (11) sous forme de cylindre est de longueur correspondante à celle du tambour et est susceptible d'être en appui sur celui-ci, en étant positionné entre les flasques (5) précités.It comprises a casing (2) molded in plastic material capable of receiving in its upper part a coil (3) for supplying wiping material or toilet paper held between upper flanges (4) attached to quick mounting, on the bottom crankcase or otherwise. Lower flanges (5) are attached and fixed for quick mounting or otherwise on the bottom face (2a) of the casing and are fitted with notches allowing the fastening and quick mounting of the drum (6), which includes a cutting device (7) with serrated blade (7a). This cutting device is articulated in the manner described above with a serrated heel mechanism (8) associated with the cutting blade which cooperates with a fixed rack (9) established on the inner flank (5b) of said flange (5) of the casing. The drum has a longitudinal opening (6f) allowing the passage and exit of the cutting blade. The drum is arranged in a known manner corresponding to the teaching of French patent 76.04664. One end is positioned centered on one of the flanges of the casing while the other end has an axis (6a) projecting outside of the other flange, engaging and anchoring in a corresponding notch in the flange. Said axis (6a) has an eccentric shape (6b) whose end (6c) forming a finger constitutes the point of attachment of one end (10a) of a return and launch spring (10), the latter having its other end (10b) fixed to the casing at the rear of the facing flange. The pressing means (11) in the form of a cylinder has a length corresponding to that of the drum and is capable of being supported thereon, being positioned between the abovementioned flanges (5).
L'appareil distributeur comprend en outre un dispositif anti-retour (12) de la bobine de matériau d'essuyage comprenant un galet (13) en appui sur la bobine de matériau d'essuyage ; ce galet est positionné entre les flasques du carter ou sur un levier coudé (14) assujetti à un moyen de rappel élastique (15) fixé au flasque (5) du carter. Une courroie (16) est susceptible d'entourer le tambour (6) et le galet (13) anti-boucle. Le tambour est agencé par ailleurs à l'une de ses extrémités avec une gorge permettant le positionnement de la courroie (16) d'entraînement précitée.The dispensing apparatus further comprises a non-return device (12) for the reel of wiping material comprising a roller (13) bearing on the reel of wiping material; this roller is positioned between the flanges of the housing or on a bent lever (14) subject to an elastic return means (15) fixed to the flange (5) of the housing. A belt (16) is capable of surrounding the drum (6) and the anti-buckle roller (13). The drum is also arranged at one of its ends with a groove allowing the positioning of the aforementioned drive belt (16).
Le tambour présente sur une partie de sa périphérie une zone en surépaisseur décrite précédemment. La gorge réceptrice (6g) de la courroie d'entrainement (16) avec le galet (13) d'appui contre le rouleau de la bande papier ayant une fonction anti-boucle, est définie d'une manière connue par la paroi latérale du tambour (6h) et un flasque (17) monté axialement et parallèle sur l'arbre dudit tambour. La gorge (6g) est d'une section appropriée correspondant à la réception de la courroie d'entraînement (16) et de liaison.The drum has, on a part of its periphery, a thickened zone described above. The receiving groove (6g) of the drive belt (16) with the roller (13) bearing against the roll of the paper strip having a function anti-loop, is defined in a known manner by the side wall of the drum (6h) and a flange (17) mounted axially and parallel on the shaft of said drum. The groove (6g) is of an appropriate section corresponding to the reception of the drive (16) and connecting belt.
Il convient dès lors de décrire le dispositif objet de l'invention qui a pour but de contrôler la position du tambour et éviter l'effet de retour de ce dernier dans la phase de détente du moyen de rappel (10) élastique et correspondant à la phase de retour du tambour après dépassement par le levier d'excentrique (6b) de son point mort correspondant à l'extension maximum du ressort de rappel (10) de ce dernier.It is therefore necessary to describe the device which is the subject of the invention which aims to control the position of the drum and avoid the return effect of the latter in the expansion phase of the elastic return means (10) corresponding to the drum return phase after passing through the eccentric lever (6b) of its neutral point corresponding to the maximum extension of the return spring (10) of the latter.
Le dispositif selon l'invention vise à introduire un dispositif (18) de blocage en arrêt du tambour, ce dispositif étant établi sous forme d'un crochet profilé monté sur l'axe du rouleau presseur (11) à rotation libre par rapport à celui-ci. Ledit crochet (18) présente ainsi une forme centrale en moyeu (18a) se positionnant sur l'axe du rouleau presseur (11) en débordement de celui-ci, dans une position telle que la partie inférieure profilée (18b) formant bras du crochet est susceptible d'être disposé en regard et en appui sur la courroie de liaison (16) reliant le tambour (6) et le galet d'appui (13) contre le rouleau de papier, dans la gorge profilée (6g) décrite précédemment. Ce crochet (18) présente à cet égard sur son bras inférieur (18b) une extrémité qui est recourbée pour correspondre au profil du tambour (5) et entourer sensiblement la partie de courroie (16) correspondante. L'extrémité libre (18c) dudit crochet (18) présente intérieurement des aspérités (18d) ou crantage qui sont profilées, et qui n'empêchent pas la rotation du tambour lors de la traction de la bande de papier de par l'écartement dudit crochet ainsi qu'il sera précisé par la suite.The device according to the invention aims to introduce a device (18) for blocking when the drum stops, this device being established in the form of a profiled hook mounted on the axis of the pressure roller (11) with free rotation relative to that -this. Said hook (18) thus has a central hub shape (18a) positioned on the axis of the pressure roller (11) projecting from the latter, in a position such that the profiled lower part (18b) forming the arm of the hook is likely to be disposed facing and pressing on the connecting belt (16) connecting the drum (6) and the support roller (13) against the paper roll, in the profiled groove (6g) described above. This hook (18) has in this respect on its lower arm (18b) an end which is curved to correspond to the profile of the drum (5) and substantially surround the corresponding belt part (16). The free end (18c) of said hook (18) has internally asperities (18d) or notches which are profiled, and which do not prevent the rotation of the drum during the pulling of the paper strip by the spacing of said hook as will be explained later.
Ledit crochet présente dans sa partie supérieure (18d) au-delà de son moyeu une languette élastique profilée (18e) dont l'extrémité présente un bec (18f)en retour qui est susceptible de prendre appui sur le flasque (5) en regard du carter de l'appareil. Ce bec (18f) est constamment en appui sur ledit flasque (5).Said hook has in its upper part (18d) beyond its hub a profiled elastic tongue (18e) the end of which has a beak (18f) in return which is likely to bear on the flange (5) opposite the casing of the device. This spout (18f) is constantly supported on said flange (5).
Le montage de l'ensemble confère au crochet une certaine élasticité en autorisant une sensible déformation élastique de son bras inférieur (18b) lors de la rotation du tambour. Lors de la position de lancement du tambour qui correspond à la traction du papier par l'utilisateur, la courroie reliant le galet (13) d'appui contre le rouleau de papier et le tambour (6) a tendance à provoquer l'écartement dudit bras (18b) dudit crochet. Cette situation correspond à la zone d'appui du rouleau presseur (11) sur la partie en surépaisseur formée sur le tambour. Lorsque le tambour se trouve dans une situation de lancement maximum avant la coupe correspondant à l'extension maximum du ressort (10) lié à l'excentrique (6c), il se produit ensuite la phase de rotation finale du tambour avec coupe de la bande de matériau ; le rouleau presseur (11) exerce une pression bien moindre sur le tambour par suite de l'échappement d'appui sur la zone de surépaisseur, le bec (18f) et la languette (18e) formées en partie supérieure du crochet (18) ont une sollicitation moindre, et par détente élastique vont permettre le repositionnement de la partie inférieure dudit crochet contre la courroie (16) précitée en assurant le contact par la partie crantée ou en saillie de l'extrémité libre du crochet sur ladite courroie et en évitant ainsi le retour en arrière du tambour. A titre complémentaire il peut être réalisé en fond de gorge une zone (19) formant plat de blocage de la courroie (16) , ce plat étant situé sensiblement dans l'alignement du point mort de l'excentrique. La courroie (16) sera susceptible de s'appliquer sur le plat précité en étant plaquée elle-même par l'extrémité crantée du crochet précité. Dans une variante de réalisation illustrée aux figures 4 et 5, le crochet (18) de contrôle de la rotation du tambour ne présente pas dans sa partie supérieure de languette élastique. Par contre, dans cette réalisation la partie inférieure (18b) dudit crochet est profilée de manière à pouvoir venir dans sa partie avant ( 18m) contre un volet de protection (20) monté fixement par encliquetage entre les ailes ou flasques (5) récepteur du tambour. Ce volet présente une certaine élasticité de déformation.The assembly of the assembly gives the hook a certain elasticity by allowing a significant elastic deformation of its lower arm (18b) during the rotation of the drum. During the drum launch position which corresponds to the pulling of the paper by the user, the belt connecting the roller (13) bearing against the paper roll and the drum (6) tends to cause the separation of said drum. arm (18b) of said hook. This situation corresponds to the pressing zone of the pressure roller (11) on the extra thickness formed on the drum. When the drum is in a situation of maximum launch before cutting corresponding to the maximum extension of the spring (10) linked to the eccentric (6c), the final phase of rotation of the drum then takes place with cutting of the strip. of material; the pressure roller (11) exerts a much less pressure on the drum as a result of the support exhaust on the excess thickness zone, the spout (18f) and the tongue (18e) formed in the upper part of the hook (18) have less stress, and by elastic relaxation will allow repositioning of the lower part of said hook against the aforementioned belt (16) by ensuring contact by the notched or projecting part of the free end of the hook on said belt and thus avoiding the drum going back. In addition, an area (19) forming a belt blocking plate (16) can be produced at the bottom of the groove, this plate being located substantially in alignment with the dead center of the eccentric. The belt (16) may be applied to the aforementioned dish by being pressed itself by the notched end of the aforementioned hook. In an alternative embodiment illustrated in Figures 4 and 5, the hook (18) for controlling the rotation of the drum does not have in its upper part of elastic tongue. By cons, in this embodiment the lower part (18b) of said hook is profiled so that it can come in its front part (18m) against a protective flap (20) fixedly mounted by snap-fastening between the wings or flanges (5) of the drum. This component has a certain elasticity of deformation.
Dans cette situation, en se référant aux figures 4 et 5 la rotation initiale du tambour lors de la phase de traction de la bande de papier provoque le déroulement de la bande de papier et le déplacement de la courroie de liaison entre le galet d'appui (13) contre le rouleau de papier et le tambour (6). La courroie (16) provoque un dégagement de l'extrémité crantée ou en saillie (18d) du crochet (18) et un appui frontal de la partie avant (18m) dudit crochet contre le volet (20). En phase de lancement maximum du tambour, ledit crochet est en appui contre ledit volet avec une déformation élastique dans sa partie supérieure. Lors de la phase de retour du tambour correspondant à la zone de coupe, la réduction de la pression entre le rouleau presseur (11) et le tambour (6) a pour effet que ledit crochet (18) est renvoyé en position initiale sous l'effet de détente de la déformation du volet (20) et le crochet (18) reprend sa position initiale venant notamment dans la zone correspondant au plat (19) de blocage correspondant à l'arrêt en position du dit tambour.In this situation, with reference to FIGS. 4 and 5, the initial rotation of the drum during the pulling phase of the paper strip causes the unwinding of the paper strip and the movement of the connecting belt between the support roller. (13) against the paper roll and the drum (6). The belt (16) causes a release of the notched or projecting end (18d) of the hook (18) and a front support of the front part (18m) of said hook against the flap (20). In the maximum launch phase of the drum, said hook is in abutment against said flap with an elastic deformation in its upper part. During the drum return phase corresponding to the cutting area, the reduction in pressure between the pressure roller (11) and the drum (6) has the effect that said hook (18) is returned to the initial position under the relaxation effect of the deformation of the flap (20) and the hook (18) returns to its initial position coming in particular in the zone corresponding to the blocking plate (19) corresponding to the stopping in position of said drum.
Par le dispositif de l'invention, on assure le blocage en position totale du tambour. On évite en effet le retour arrière de ce dernier de sorte que la bande de papier qui est destiné à être tirée par l'utilisateur sort convenablement de l'appareil distributeur.By the device of the invention, it ensures the locking in the total position of the drum. This in fact prevents the backward movement of the latter so that the strip of paper which is intended to be pulled by the user properly leaves the dispensing device.
Les avantages ressortent bien de la description. The advantages are apparent from the description.

Claims

REVENDICATIONS
- 1 - Appareil distributeur de matériau d'essuyage et de papier toilette à fonctionnement automatique ou semi-automatique du type comprenant un carter (2) recevant dans sa partie haute une bobine (3) d'alimentation en matériau d'essuyage, un tambour (6) support monté entre des flasques (5) intérieurs fixes dudit carter, ledit tambour (6) présentant une fente (6f) pour le positionnement et l'articulation d'un dispositif de coupe (7) à lame dentelée (7a), un moyen presseur (11) en appui sur le tambour (6) assurant l'alimentation et la mise en tension de la bande de papier passant entre eux, ladite lame de coupe étant articulée dans le tambour en étant mise en mouvement par la coopération d'un talon denté (8) associé à la lame de coupe et coopérant avec un moyen à crémaillère (9) positionné fixement sur l'un des flasques du carter, ledit tambour (6) étant associé à un moyen de lancement avec excentrique (6b) et ressort de rappel (10), le tambour (6) présentant sur un secteur angulaire (α) de sa périphérie une zone (17) en surépaisseur susceptible d'être en contact avec le moyen presseur (11), l'appareil comprenant en outre un dispositif anti-retour de la bobine d'essuyage et un galet (13) d'appui sur la bobine, une courroie (16) entourant ledit galet pour créer un effet anti-retour, le tambour étant agencé avec une gorge profilée (6g) réceptrice de ladite courroie, caractérisé en ce que l'appareil comprend un dispositif de blocage en arrêt du tambour établi sous forme d'un crochet (18) profilé monté à articulation libre sur l'axe du rouleau presseur (11), ledit crochet étant agencé avec une partie inférieure formant bras (18b) susceptible d'être disposé en regard et en appui sur la courroie (16) dans la gorge profilée, l'extrémité dudit bras présentant une forme en saillie destinée à être en contact avec la courroie et empêcher la rotation du tambour en arrière après coupe de la bande de matériau. -2- Appareil distributeur selon la revendication 1, caractérisé en ce que le crochet présente une forme centrale en moyeu (18a) se positionnant sur l'axe du rouleau presseur (11) en débordement de celui-ci dans une position telle que la partie inférieure profilée (18b) formant bras dudit crochet soit susceptible d'être disposé en regard et en appui sur la courroie (16) de liaison reliant le tambour et le galet d'appui contre le rouleau de papier.- 1 - Device for dispensing wiping material and toilet paper with automatic or semi-automatic operation of the type comprising a casing (2) receiving in its upper part a reel (3) for supplying wiping material, a drum (6) support mounted between fixed inner flanges (5) of said casing, said drum (6) having a slot (6f) for positioning and articulation of a cutting device (7) with a serrated blade (7a), a pressing means (11) bearing on the drum (6) ensuring the supply and the tensioning of the strip of paper passing between them, said cutting blade being articulated in the drum being set in motion by the cooperation of '' a toothed heel (8) associated with the cutting blade and cooperating with a rack and pinion means (9) fixedly positioned on one of the flanges of the casing, said drum (6) being associated with a launching means with eccentric (6b ) and return spring (10), the drum (6) having on an angular sector (α) of its periphery an area (17) in excess thickness capable of being in contact with the pressing means (11), the apparatus further comprising a non-return device for the wiping reel and a roller (13) bearing on the reel, a belt (16) surrounding said roller to create a non-return effect, the drum being arranged with a profiled groove (6g) receiving said belt, characterized in that the apparatus comprises a blocking device for stopping the drum established in the form of a profiled hook (18) mounted with free articulation on the axis of the pressure roller (11), said hook being arranged with a lower part forming an arm (18b) capable of be placed opposite and resting on the belt (16) in the profiled groove, the end of said arm having a projecting shape intended to be in contact with the belt and to prevent the rotation of the drum backwards after cutting the strip of material. -2- Dispensing device according to claim 1, characterized in that the hook has a central hub shape (18a) positioned on the axis of the pressure roller (11) projecting therefrom in a position such that the part lower profile (18b) forming an arm of said hook is capable of being placed opposite and bearing on the connecting belt (16) connecting the drum and the support roller against the paper roll.
-3- Appareil distributeur selon l'une quelconque des revendications 1 et 2, caractérisé en ce que le crochet présente dans sa partie supérieure au-delà de son moyeu une languette élastique (18 e) profilée dont l'extrémité présente un bec (18f) en retour susceptible de prendre appui sur le flasque (5) en regard du carter de l'appareil, ledit bec (18f) étant en appui sur le flasque constamment.-3- Dispensing device according to any one of claims 1 and 2, characterized in that the hook has in its upper part beyond its hub an elastic tongue (18 e) profiled whose end has a spout (18f ) in return likely to bear on the flange (5) facing the casing of the device, said spout (18f) being in constant abutment on the flange.
-4- Appareil distributeur selon l'une quelconque des revendications 2 et 3, caractérisé en ce que le crochet présente une certaine élasticité autorisant la déformation élastique de son bras inférieur (18b) par contre appui de la partie formant bec (18f) sur le flasque (5), de sorte à être dégagé lorsque la courroie (16) reliant le galet d'appui (13) et le tambour (6) est en déplacement normal lors de la traction du papier.-4- Dispensing device according to any one of claims 2 and 3, characterized in that the hook has a certain elasticity allowing the elastic deformation of its lower arm (18b) against the support of the spout portion (18f) on the flange (5), so as to be released when the belt (16) connecting the support roller (13) and the drum (6) is in normal movement when the paper is pulled.
-5-Appareil distributeur selon l'une quelconque des revendications là 4caractérisé en ce que lorsque le rouleau presseur exerce une moindre pression sur le tambour par suite de son échappement d'appui sur la zone de surépaisseur, le bec (18f) et la languette (18e) formés sur la partie supérieure du crochet par détente élastique autorisent à nouveau le contact de la partie en saillie de l'extrémité libre du crochet avec la courroie en assurant la fonction de freinage. -6- Appareil distributeur selon l'une quelconque de revendications 1 à 5 caractérisé en ce qu'une zone (19) formant plat de blocage est établie en fond de gorge (6g), ledit plat de blocage étant situé sensiblement dans l'alignement du point mort de l'excentrique, la courroie (16) étant susceptible de s'appliquer sous le plat précité, en étant plaquée elle-même par l'extrémité crantée ou en saillie du crochet précité.-5- Dispensing apparatus according to any one of claims there 4caractérisé in that when the pressure roller exerts a lesser pressure on the drum due to its exhaust bearing on the area of excess thickness, the spout (18f) and the tongue (18th) formed on the upper part of the hook by elastic detent again allow the protruding part of the free end of the hook to come into contact with the belt while ensuring the braking function. -6- Dispensing device according to any one of claims 1 to 5 characterized in that a zone (19) forming blocking plate is established at the bottom of the groove (6g), said blocking plate being located substantially in alignment from the neutral point of the eccentric, the belt (16) being capable of being applied under the aforementioned dish, being pressed itself by the notched or projecting end of the aforementioned hook.
-7- Appareil distributeur selon l'une quelconque des revendications 1 et 6 caractérisé en ce que le crochet présente une partie inférieure (18b) profilée de manière à venir par sa partie avant (18m) contre un volet de protection (20) monté fixement par encliquetage sur le flasque (5) récepteur du tambour, ledit volet présentant une élasticité de déformation, et étant sollicité lors du dégagement de la partie crantée ou en saillie du crochet durant la phase de lancement du tambour. -7- Dispensing device according to any one of claims 1 and 6 characterized in that the hook has a lower part (18b) profiled so as to come by its front part (18m) against a protective flap (20) fixedly mounted by snap-fastening on the receiving flange (5) of the drum, said flap having an elasticity of deformation, and being biased during the release of the notched part or projecting from the hook during the launching phase of the drum.
EP99911853A 1998-05-04 1999-04-01 Automatic or semi-automatic wiping material and toilet paper dispenser Expired - Lifetime EP1076505B1 (en)

Applications Claiming Priority (3)

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FR9805866 1998-05-04
FR9805866A FR2778077B1 (en) 1998-05-04 1998-05-04 APPARATUS FOR DISPENSING WIPING MATERIALS AND AUTOMATIC OR SEMI-AUTOMATIC TOILET PAPER
PCT/FR1999/000754 WO1999056605A1 (en) 1998-05-04 1999-04-01 Automatic or semi-automatic wiping material and toilet paper dispenser

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EP1076505A1 true EP1076505A1 (en) 2001-02-21
EP1076505B1 EP1076505B1 (en) 2003-02-05

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EP (1) EP1076505B1 (en)
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KR (1) KR100680119B1 (en)
CN (1) CN1115130C (en)
AT (1) ATE232059T1 (en)
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DE (1) DE69905244T2 (en)
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ES (1) ES2191423T3 (en)
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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
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8573398B2 (en) 2002-05-28 2013-11-05 Georgia-Pacific Consumer Products Lp Refillable flexible sheet dispenser

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US6474209B1 (en) 2002-11-05
CN1299246A (en) 2001-06-13
WO1999056605A1 (en) 1999-11-11
EP1076505B1 (en) 2003-02-05
ATE232059T1 (en) 2003-02-15
JP2002513598A (en) 2002-05-14
DE69905244T2 (en) 2003-11-13
CA2331057A1 (en) 1999-11-11
AU743627B2 (en) 2002-01-31
PT1076505E (en) 2003-06-30
FR2778077A1 (en) 1999-11-05
CA2331057C (en) 2007-05-29
KR20010071181A (en) 2001-07-28
KR100680119B1 (en) 2007-02-07
TW387802B (en) 2000-04-21
ES2191423T3 (en) 2003-09-01
BR9910190A (en) 2001-01-02
CN1115130C (en) 2003-07-23
DE69905244D1 (en) 2003-03-13
MXPA00010703A (en) 2002-04-24
AU3039399A (en) 1999-11-23
FR2778077B1 (en) 2000-06-16
DK1076505T3 (en) 2003-05-19

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