EP1469766A1 - Device for controlling and regulating the pressure of a roll of material in an automatic-cutting dispenser - Google Patents

Device for controlling and regulating the pressure of a roll of material in an automatic-cutting dispenser

Info

Publication number
EP1469766A1
EP1469766A1 EP20020806655 EP02806655A EP1469766A1 EP 1469766 A1 EP1469766 A1 EP 1469766A1 EP 20020806655 EP20020806655 EP 20020806655 EP 02806655 A EP02806655 A EP 02806655A EP 1469766 A1 EP1469766 A1 EP 1469766A1
Authority
EP
European Patent Office
Prior art keywords
flanges
flap
cutout
drum
reel
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
EP20020806655
Other languages
German (de)
French (fr)
Other versions
EP1469766B1 (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 EP1469766A1 publication Critical patent/EP1469766A1/en
Application granted granted Critical
Publication of EP1469766B1 publication Critical patent/EP1469766B1/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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3656—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices with paper jam preventing devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3631—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
    • 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
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/20—Severing by manually forcing against fixed edge
    • Y10T225/238—With housing for work supply
    • Y10T225/252—With brake or tensioner
    • 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
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • Y10T225/393—Web restrainer
    • 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
    • Y10T83/4818—Interconnected work feeder and tool driver
    • 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 dispensers for wiping material with automatic cutting.
  • Apparatuses of this type have been developed by the applicant and they are arranged globally as follows. They include a casing (1) receiving a hinged protective cover (2). Between the wings of the casing or between lateral flanges, attached to the interior of the casing, are arranged a drum (3) having a gripping zone on its periphery associated with a cutting mechanism (4), the reel of material (5) being supported on said drum, and being articulated from a reel holder (6).
  • a safety roller (7) is arranged in the lower part of the device at the tape outlet, and is coupled with the drum using a guide and transmission belt, also allowing the output control of the strip of material.
  • the problem posed lies in controlling the contact pressure of the spool of material on the drum, during the continuous unwinding of said spool after removal of the strip of material as and when required by users and operators.
  • the regulation device associated with each of the arms of the reel holder includes rails forming slides between the lateral wings of the casing and the carrying arms - reel to allow the sliding and limited movement of sliders mounted floating on the rails with elastic capacity of movement controlled and adapted until the exhaustion of the coil and constant tension.
  • Such an arrangement if it works satisfactorily, nevertheless remains costly to implement because of the number of parts which are to be produced.
  • the applicant's approach was therefore to move towards a simplification of the mechanisms to perform the aforementioned function, with rationalization in the manufacture of the apparatus and of the molds in particular.
  • each flange is arranged with a profiled cut, receiving internally around the cut pairs of flanges arranged on either side of the cut in lower and upper horizontal planes and allowing positioning and maintaining a pivoting axis, and in that each axis receives a flap passing through each of the flanges through the corresponding cutout and coming into external overflow from said flanges, and in that each flange has in its rear part a receiving tab and fixing a return means also secured to said flap, the lowering of the spool-holder arm causing the articulation of each of the flaps and the continuous pressure maintenance of the spool on the drum.
  • FIG. 1 is a side view in section of a wiping material dispensing apparatus including the device of the invention, the material reel being full.
  • - Figure 2 is a view identical to Figure 1, but in the event that the material reel has a very substantial reduction in diameter, following significant consumption of wiping material by consumers, and with representation in position of the device.
  • - Figure 3 is a view of the dispensing apparatus on the other side, in an intermediate position for loading the coil.
  • FIG. 4 is a partial view before mounting illustrating one of the devices of the invention and its relationship to the coil holder arm.
  • FIG. 5 is a view along line A. A in Figure 3.
  • - Figure 6 is a sectional view along line B.B. in Figure 3.
  • the dispensing device is referenced as a whole by (1). It comprises a casing having a rear face (la), an inclined bottom face (lb), lateral wings (le) and (ld).
  • the housing receives a tilting cover (2) known per se.
  • Reported lateral flanges (8-9) are arranged inside the volume of the housing, and are established in the form of plastic plates duly fixed in a removable manner to the walls of the housing by any suitable means. Between these flanges is mounted the drum (3) with which the cutting mechanism (4) is associated. This drum has any characteristics as defined in the various patents of the applicant.
  • a safety roller (7) associated with the drum (3) by means of a guide (10) and transmission belt, also allowing the control and passage of the paper out of the device.
  • an eccentric device (11) and associated return means (12) allowing the launching of the drum and its return.
  • the reel of material (5) is mounted in a manner known per se on a gantry or reel holder (6) which is articulated on axes (6a) arranged in the rear part of the aforementioned lateral flanges (8-9).
  • the constitution of the reel holder with bent arms is carried out in different ways according to the prior patents filed by the applicant.
  • the coil is intended to come to bear on the drum, the strip of material passing in abutment on the drum and exiting towards the rear of the device.
  • the device which aims to ensure control and regulation of tension with a constant holding of the coil of material on the drum is produced in the following manner.
  • Each of the flanges (8-9) carrying the drum and allowing the articulation of the spool-holder arm is arranged in its rear part, as illustrated in the figure.
  • These flanges are arranged horizontally in the upper and lower parts of each of the abovementioned cutouts.
  • These flanges allow the reception and positioning of a hinge pin (13).
  • the pairs of flanges have a fork shape (10a-l ia) with a central recess (10b-1 lb) to allow the positioning and holding of the aforementioned guide pin (13).
  • This axis is advantageously supported at its ends to allow its positioning and insertion between the two flanges, and ensuring its maintenance relative to said flanges.
  • the axis according to the invention is arranged with a flap (13a) arranged pe ⁇ endicululaire and in a horizontal plane, crossing the cut facing and projecting outside the plane of each flange (8-9).
  • This component made in one piece with the axis by molding, is capable of pivoting with said axis and thus, as shown in FIG. 6, of being able to be translated on one side or the other of the aforementioned cutout (8a-9a) according to an angle of approximately 180 °.
  • the shutter is capable of taking two opposite positions in the right and left end parts of the cut by a lateral displacement.
  • each spool-holder arm with a bent configuration has an overhanging end tab (6a).
  • said flap When the reel of material is full, said flap is located opposite the side of the casing and it allows, by its positioning, an effect of lightening the reel on the drum. When the coil is finished, said flap is moved laterally, thus being closer to the drum. In an intermediate situation corresponding to neutral and a reduction of about half the diameter of the coil, said return means (14) is located substantially in a vertical plane, without any particular pressure effect.
  • the positioning of the flap relative to its neutral point, in one direction or another, depending on the diameter of the coil causes either a reduction in the support of the coil on the drum, or a stronger support.
  • the unwinding of the reel of material causes the movement of the reel holder arm in a forward tilting movement.
  • the flanges are shaped by molding with the flanges (8-9), which allows a reduction in the number of parts.
  • the cutout (8a-9a) advantageously has a cross shape, but it can have any other configuration, the main thing being that it allows the passage and positioning of the flap and its articulation.

Abstract

The invention relates to a device for controlling and regulating the pressure of a reel of material in an automatic-cutting dispenser. Each side panel of the dispenser comprises a slot that receives, internally, two flanges which are disposed around said slot in lower and upper horizontal planes thereof and which are used to position and support a pivoting shaft. The shaft receives a flap which passes through each of the side panels, via the slot, and which extends outwards from the side panel. The rear of each reel holder arm comprises a tab which is used to receive and fix a return means. This return means is solidly connected to the flap. In this way, when the reel holder arm is lowered, each of the flaps is articulated and the reel is pressed continuously against the drum.

Description

DISPOSITIF DE CONTROLE ET DE REGULATION DE LA DEVICE FOR MONITORING AND REGULATING THE
PRESSION D'UNE BOBINE DE MATERIAUPRESSURE OF A COIL OF MATERIAL
DANS UN APPAREIL DISTRIBUTEUR A COUPE AUTOMATIQUEIN A DISPENSING APPARATUS WITH AUTOMATIC CUT
L'invention se rattache au secteur technique des appareils distributeurs de matériau d'essuyage à coupe automatique.The invention relates to the technical sector of dispensers for wiping material with automatic cutting.
Les appareils de ce type ont été développés par le demandeur et ils sont agencés globalement de la manière suivante. Ils comprennent un carter (1) recevant un couvercle de protection articulé (2). Entre les ailes du carter ou entre des flasques latéraux, rapportés à l'intérieur du carter, sont disposés un tambour (3) présentant une zone agrippante sur sa périphérie associé à un mécanisme de coupe (4), la bobine de matériau (5) étant en appui sur ledit tambour, et étant articulée à partir d'un porte-bobine (6). Un rouleau de sécurité (7) est disposé dans la partie basse de l'appareil en sortie de bande, et est accouplé avec le tambour à l'aide d'une courroie de guidage et de transmission, permettant également le contrôle de sortie de la bande de matériau.Apparatuses of this type have been developed by the applicant and they are arranged globally as follows. They include a casing (1) receiving a hinged protective cover (2). Between the wings of the casing or between lateral flanges, attached to the interior of the casing, are arranged a drum (3) having a gripping zone on its periphery associated with a cutting mechanism (4), the reel of material (5) being supported on said drum, and being articulated from a reel holder (6). A safety roller (7) is arranged in the lower part of the device at the tape outlet, and is coupled with the drum using a guide and transmission belt, also allowing the output control of the strip of material.
Les différents mécanismes qui permettent le fonctionnement du tambour ou son dispositif de coupe ont été décrits dans de nombreux brevets appartenant au demandeur, et dans le cadre de la présente demande, ils sont indépendants de celle-ci.The various mechanisms which allow the drum or its cutting device to operate have been described in numerous patents belonging to the applicant, and in the context of the present application, they are independent of the latter.
Le problème posé réside dans le contrôle de la pression d'appui de la bobine de matériau sur le tambour, lors du dévidage continu de ladite bobine après prélèvement de la bande de matériau au fur et à mesure des besoins par les utilisateurs et opérateurs.The problem posed lies in controlling the contact pressure of the spool of material on the drum, during the continuous unwinding of said spool after removal of the strip of material as and when required by users and operators.
Le demandeur a déjà travaillé sur ce type de problème en relation avec les appareils et distributeurs à coupe automatique. On rappelle succinctement l'art antérieur développé par le demandeur.The applicant has already worked on this type of problem in relation to automatic cutters and distributors. We briefly recall the prior art developed by the applicant.
Dans une première variante et mise en œuvre décrite dans le brevet français n° 2621304, le demandeur a développé un mécanisme à came sollicité à l'encontre d'un moyen élastique de rappel à F encontre du porte-bobine pour provoquer un effet de poussée et de mise en pression de la bobine de matériau sur le tambour. Une telle disposition est disposée au centre de l'appareil et nécessite des aménagements spécifiques de la partie arrière du carter et du porte-bobine. Dans cette réalisation, le positionnement central du dispositif de régulation de tension permet le basculement du porte- bobine sans qu'il y ait cependant de répartition homogène de pression sur la longueur de la bobine. En effet, on constate qu'il y a des effets de traction de la bande de matériau par l'utilisateur qui empêchent une pression régulière, et par ailleurs, la bobine de matériau a une tendance à se déplacer latéralement sous l'effet de rugosité du tambour.In a first variant and implementation described in French patent n ° 2621304, the applicant has developed a cam mechanism urged against an elastic return means against the reel holder to cause a pushing effect and pressurizing the reel of material on the drum. Such an arrangement is placed in the center of the device and requires specific arrangements of the rear part of the casing and of the spool holder. In this embodiment, the central positioning of the tension regulation device allows the bobbin holder to tilt without, however, having a uniform pressure distribution over the length of the bobbin. Indeed, it is noted that there are effects of traction of the strip of material by the user which prevent regular pressure, and moreover, the reel of material has a tendency to move laterally under the effect of roughness of the drum.
Le demandeur a développé une autre mise en œuvre en variante de ce concept dans le brevet français n° 2764278. Le dispositif de régulation associé à chacun des bras du porte-bobine inclut des rails formant glissières entre les ailes latérales du carter et les bras porte-bobine pour autoriser le coulissement et déplacement limité de curseurs montés flottants sur les rails avec capacité élastique de déplacement contrôlé et adapté jusqu'à l'épuisement de la bobine et en tension constante. Une telle disposition, si elle fonctionne de manière satisfaisante, reste néanmoins coûteuse à mettre en œuvre de par le nombre de pièces qui sont à réaliser.The applicant has developed another alternative implementation of this concept in French patent no. 2764278. The regulation device associated with each of the arms of the reel holder includes rails forming slides between the lateral wings of the casing and the carrying arms - reel to allow the sliding and limited movement of sliders mounted floating on the rails with elastic capacity of movement controlled and adapted until the exhaustion of the coil and constant tension. Such an arrangement, if it works satisfactorily, nevertheless remains costly to implement because of the number of parts which are to be produced.
La démarche du demandeur a donc été de s'orienter vers une simplification des mécanismes pour assurer la fonction précitée, avec une rationalisation dans la fabrication de l'appareil et des moules en particulier.The applicant's approach was therefore to move towards a simplification of the mechanisms to perform the aforementioned function, with rationalization in the manufacture of the apparatus and of the molds in particular.
Après différentes pistes de recherche, le demandeur s'est orienté sur la mise en œuvre d'un dispositif simplifié avec un nombre de pièces limitées, tout en offrant toutes les garanties de pression, quel que soit le diamètre de la bobine de matériau en charge et en cours d'utilisation.After different lines of research, the applicant focused on the implementation of a simplified device with a limited number of parts, while offering all the guarantees of pressure, whatever the diameter of the reel of material in charge and in use.
Selon une première caractéristique de l'invention, chaque flasque est agencé avec une découpe profilée, en recevant intérieurement autour de la découpe des couples de brides disposés de part et d'autre de la découpe dans des plans horizontaux inférieurs et supérieurs et autorisant le positionnement et le maintien d'un axe pivotant, et en ce que chaque axe reçoit un volet traversant chacun des flasques à travers la découpe correspondante et venant en débordement extérieur desdits flasques, et en ce que chaque flasque présente dans sa partie arrière une patte de réception et de fixation d'un moyen de rappel solidarisé également audit volet, l'abaissement du bras porte-bobine provoquant l'articulation de chacun des volets et le maintien en pression continue de la bobine sur le tambour.According to a first characteristic of the invention, each flange is arranged with a profiled cut, receiving internally around the cut pairs of flanges arranged on either side of the cut in lower and upper horizontal planes and allowing positioning and maintaining a pivoting axis, and in that each axis receives a flap passing through each of the flanges through the corresponding cutout and coming into external overflow from said flanges, and in that each flange has in its rear part a receiving tab and fixing a return means also secured to said flap, the lowering of the spool-holder arm causing the articulation of each of the flaps and the continuous pressure maintenance of the spool on the drum.
Ces caractéristiques et d'autres encore ressortiront bien de la suite de la description. Pour fixer l'objet de l'invention illustré d'une manière non limitative aux figures des dessins où :These characteristics and others will become apparent from the following description. 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 côté en coupe d'un appareil distributeur de matériau d'essuyage incluant le dispositif de l'invention, la bobine de matériau étant pleine.- Figure 1 is a side view in section of a wiping material dispensing apparatus including the device of the invention, the material reel being full.
- La figure 2 est une vue identique à la figure 1, mais dans l'hypothèse où la bobine de matériau présente une réduction de diamètre très substantielle, suite à une consommation importante de matériau d'essuyage par les consommateurs, et avec représentation en position du dispositif. - La figure 3 est une vue de l'appareil distributeur de l'autre côté, dans une position intermédiaire de chargement de la bobine.- Figure 2 is a view identical to Figure 1, but in the event that the material reel has a very substantial reduction in diameter, following significant consumption of wiping material by consumers, and with representation in position of the device. - Figure 3 is a view of the dispensing apparatus on the other side, in an intermediate position for loading the coil.
- La figure 4 est une vue partielle avant montage illustrant l'un des dispositifs de l'invention et sa relation avec le bras porte-bobine.- Figure 4 is a partial view before mounting illustrating one of the devices of the invention and its relationship to the coil holder arm.
- La figure 5 est une vue selon la ligne A. A de la figure 3. - La figure 6 est une vue en coupe selon la ligne B.B. de la figure 3.- Figure 5 is a view along line A. A in Figure 3. - Figure 6 is a sectional view along line B.B. in Figure 3.
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 distributeur est référencé dans son ensemble par (1). Il comprend un carter présentant une face arrière (la), une face de fond inclinée (lb), des ailes latérales (le) et (ld). Le carter reçoit un couvercle (2) basculant connu en soi. Des flasques latéraux (8-9) rapportés sont disposés à l'intérieur du volume du carter, et sont établis sous forme de plaques en matière plastique dûment fixées de manière démontable aux parois du carter par tout moyen approprié. Entre ces flasques, est monté le tambour (3) auquel est associé le mécanisme de coupe (4). Ce tambour est de caractéristiques quelconques tel que défini dans les différents brevets du demandeur. On a représenté à titre d'exemple, mais non limitativement, l'utilisation d'un rouleau de sécurité (7) associé au tambour (3) par le biais d'une courroie de guidage (10) et de transmission, permettant également le contrôle et passage du papier en sortie de l'appareil. On a également représenté un dispositif à excentrique (11) et à moyen de rappel (12) associé, permettant le lancement du tambour et son retour. La bobine de matériau (5) est montée de manière connue en soi sur un portique ou porte-bobine (6) qui est articulé sur des axes (6a) disposés dans la partie arrière des flasques latéraux (8-9) précités. La constitution du porte-bobine avec des bras coudés est réalisée de différentes manières selon les brevets antérieurs déposés par le demandeur. Ainsi que représentée aux dessins, la bobine est destinée à venir en appui sur le tambour, la bande de matériau passant en appui sur le tambour et sortant vers l'arrière de l'appareil.The dispensing device is referenced as a whole by (1). It comprises a casing having a rear face (la), an inclined bottom face (lb), lateral wings (le) and (ld). The housing receives a tilting cover (2) known per se. Reported lateral flanges (8-9) are arranged inside the volume of the housing, and are established in the form of plastic plates duly fixed in a removable manner to the walls of the housing by any suitable means. Between these flanges is mounted the drum (3) with which the cutting mechanism (4) is associated. This drum has any characteristics as defined in the various patents of the applicant. We represented as example, but not limited to, the use of a safety roller (7) associated with the drum (3) by means of a guide (10) and transmission belt, also allowing the control and passage of the paper out of the device. There is also shown an eccentric device (11) and associated return means (12), allowing the launching of the drum and its return. The reel of material (5) is mounted in a manner known per se on a gantry or reel holder (6) which is articulated on axes (6a) arranged in the rear part of the aforementioned lateral flanges (8-9). The constitution of the reel holder with bent arms is carried out in different ways according to the prior patents filed by the applicant. As shown in the drawings, the coil is intended to come to bear on the drum, the strip of material passing in abutment on the drum and exiting towards the rear of the device.
Selon l'invention, le dispositif qui a pour but d'assurer le contrôle et la régulation de tension avec un maintien constant de la bobine de matériau sur le tambour est réalisé de la manière suivante.According to the invention, the device which aims to ensure control and regulation of tension with a constant holding of the coil of material on the drum is produced in the following manner.
Chacun des flasques (8-9) porteurs du tambour et permettant l'articulation du bras porte-bobine est agencé dans sa partie arrière, ainsi qu'illustré figureEach of the flanges (8-9) carrying the drum and allowing the articulation of the spool-holder arm is arranged in its rear part, as illustrated in the figure.
4, avec une découpe (8a-9a) profilée sous forme de croix par exemple, et disposé entre deux cavaliers ou brides (10-11) disposés intérieurement sur les flasques précités. Ces brides sont disposées à l'horizontal dans les parties supérieure et inférieure de chacune des découpes précitées. Ces brides permettent la réception et le positionnement d'un axe d'articulation (13). Les couples de brides présentent une forme en fourchette (10a- l ia) avec un évidement central (10b-l lb) pour permettre le positionnement et la tenue de l'axe de guidage (13) précité. Cet axe est avantageusement épaulé à ses extrémités pour permettre son positionnement et insertion entre les deux brides, et en assurant son maintien par rapport aux dites brides. L'axe, selon l'invention, est agencé avec un volet (13 a) disposé peφendiculairement et dans un plan horizontal, en traversant la découpe en regard et en débordant extérieurement du plan de chaque flasque (8-9). Ce volet, réalisé monobloc avec l'axe par moulage, est susceptible de pivoter avec ledit axe et ainsi, comme représenté figure 6, de pouvoir être translaté d'un côté ou de l'autre de la découpe (8a-9a) précitée selon une angulation d'environ 180°. Ainsi, le volet est susceptible de prendre deux positions opposées dans les parties d'extrémité droite et gauche de la découpe par un déplacement latéral. Par ailleurs, chaque bras porte-bobine de configuration coudée présente une patte d'extrémité (6a) débordante. Un moyen de rappel élastique (14) du type ressort est ainsi accroché à chacune desdites pattes (8b-9b) d'une part, et en extrémité du volet d'autre part. Il y a donc une liaison élastique de tension entre le bras porte-bobine et le volet pivotant du dispositif de contrôle et de régulation.4, with a cutout (8a-9a) profiled in the form of a cross for example, and disposed between two jumpers or flanges (10-11) arranged internally on the abovementioned flanges. These flanges are arranged horizontally in the upper and lower parts of each of the abovementioned cutouts. These flanges allow the reception and positioning of a hinge pin (13). The pairs of flanges have a fork shape (10a-l ia) with a central recess (10b-1 lb) to allow the positioning and holding of the aforementioned guide pin (13). This axis is advantageously supported at its ends to allow its positioning and insertion between the two flanges, and ensuring its maintenance relative to said flanges. The axis according to the invention is arranged with a flap (13a) arranged peφendicululaire and in a horizontal plane, crossing the cut facing and projecting outside the plane of each flange (8-9). This component, made in one piece with the axis by molding, is capable of pivoting with said axis and thus, as shown in FIG. 6, of being able to be translated on one side or the other of the aforementioned cutout (8a-9a) according to an angle of approximately 180 °. Thus, the shutter is capable of taking two opposite positions in the right and left end parts of the cut by a lateral displacement. Furthermore, each spool-holder arm with a bent configuration has an overhanging end tab (6a). An elastic return means (14) of the spring type is thus hooked to each of said tabs (8b-9b) on the one hand, and at the end of the flap on the other hand. There is therefore an elastic tension connection between the spool-holder arm and the pivoting flap of the control and regulation device.
Lorsque la bobine de matériau est pleine, ledit volet se trouve en regard du côté du carter et il permet par son positionnement un effet d'allégement de la bobine sur le tambour. Lorsque la bobine est en finition, ledit volet se trouve déplacé latéralement en étant ainsi plus proche du tambour. En situation intermédiaire correspondant au point mort et une diminution d'environ la moitié du diamètre de la bobine, ledit moyen de rappel (14) se trouve sensiblement dans un plan vertical, sans effet particulier de pression. Le positionnement du volet par rapport à son point mort, dans un sens ou dans un autre, en fonction du diamètre de bobine, provoque soit un allégement dans l'appui de la bobine sur le tambour, soit un appui plus fort. Selon l'invention, le dévidage de la bobine de matériau entraîne le mouvement du bras porte-bobine selon un mouvement de basculement vers l'avant. Ce basculement est amplifié jusqu'à ce que la bobine de matériau soit exempte de matière. Le basculement des deux bras porte-bobine vers l'avant va provoquer le déplacement de la patte arrière associée au bras, de sorte que par la liaison avec le moyen élastique, cela va provoquer le pivotement progressif de chacun des volets. Ceux-ci, comme représentés aux figures 1 et 2 des dessins, passent d'une position d'extrémité à l'autre à 180°, créant toujours un effet de tension sur l'élément élastique. Dans cette situation, il y a donc un maintien constant de la bobine de matériau sur le tambour. Il y a passage au point mort lorsque la bobine est déchargée sensiblement à moitié, permettant ainsi au moyen de rappel de jouer l'effet de pression recherché. La solution proposée est simple à réaliser, car elle utilise un nombre de pièces limitées, et le contrôle de l'appui ferme de la bobine sur le tambour est assuré. La mise en place du dispositif pivotant dans sa fabrication est simple, tout en assurant la fonction recherchée.When the reel of material is full, said flap is located opposite the side of the casing and it allows, by its positioning, an effect of lightening the reel on the drum. When the coil is finished, said flap is moved laterally, thus being closer to the drum. In an intermediate situation corresponding to neutral and a reduction of about half the diameter of the coil, said return means (14) is located substantially in a vertical plane, without any particular pressure effect. The positioning of the flap relative to its neutral point, in one direction or another, depending on the diameter of the coil, causes either a reduction in the support of the coil on the drum, or a stronger support. According to the invention, the unwinding of the reel of material causes the movement of the reel holder arm in a forward tilting movement. This tilting is amplified until the material reel is free of material. The tilting of the two spool-holder arms forwards will cause the rear tab associated with the arm to move, so that by the connection with the elastic means, this will cause the progressive pivoting of each of the flaps. These, as shown in Figures 1 and 2 of the drawings, pass from one end position to the other at 180 °, always creating a tension effect on the elastic element. In this situation, there is therefore a constant holding of the material reel on the drum. There is a shift to neutral when the coil is discharged substantially half, thus allowing the return means to play the desired pressure effect. The proposed solution is simple to carry out, because it uses a limited number of parts, and the control of the firm support of the coil on the drum is ensured. The installation of the pivoting device in its manufacture is simple, while ensuring the desired function.
D'une manière intéressante, les brides sont conformées par moulage avec les flasques (8-9), ce qui permet une réduction du nombre de pièces.Interestingly, the flanges are shaped by molding with the flanges (8-9), which allows a reduction in the number of parts.
La découpe (8a-9a) présente avantageusement une forme en croix, mais elle peut avoir toute autre configuration, l'essentiel étant qu'elle permette le passage et positionnement du volet et son articulation. The cutout (8a-9a) advantageously has a cross shape, but it can have any other configuration, the main thing being that it allows the passage and positioning of the flap and its articulation.

Claims

REVENDICATIONS
-1- Dispositif de contrôle et de régulation de la pression d'une bobine de matériau dans un appareil distributeur de bande de matériau d'essuyage, l'appareil étant du type comprenant un carter recevant un couvercle de protection, des flasques latéraux (8-9), un tambour (3) associé à un mécanisme de coupe (4), un porte-bobine (6), le dispositif incluant des moyens sollicités à rencontre de moyens élastiques de rappel pour autoriser ledit contrôle de la pression, caractérisé en ce que chaque flasque (8-9) est agencé avec une découpe (8a-9a) profilée, en recevant intérieurement autour de la découpe des couples de brides (10-11) disposés de part et d'autre de la découpe dans des plans horizontaux inférieurs et supérieurs et autorisant le positionnement et le maintien d'un axe pivotant (13), et en ce que chaque axe (13) reçoit un volet (13 a) traversant chacun des flasques (8-9) à travers la découpe correspondante et venant en débordement extérieur desdits flasques, et en ce que chaque flasque (8-9) présente dans sa partie arrière une patte de réception (6a) et de fixation d'un moyen de rappel (14) solidarisé également audit volet, l'abaissement du bras porte-bobine provoquant l'articulation de chacun des volets et le maintien en pression continue de la bobine sur le tambour.-1- Device for controlling and regulating the pressure of a reel of material in a device for distributing a strip of wiping material, the device being of the type comprising a casing receiving a protective cover, lateral flanges (8 -9), a drum (3) associated with a cutting mechanism (4), a spool holder (6), the device including means urged against elastic return means to authorize said pressure control, characterized in that each flange (8-9) is arranged with a contoured cutout (8a-9a), receiving internally around the cutout pairs of flanges (10-11) arranged on either side of the cutout in planes horizontal lower and upper and allowing the positioning and the maintenance of a pivoting axis (13), and in that each axis (13) receives a flap (13 a) passing through each of the flanges (8-9) through the corresponding cutout and coming into external overflow of said flanges ues, and in that each flange (8-9) has in its rear part a receiving lug (6a) and for fixing a return means (14) also secured to said flap, the lowering of the spool arm causing the articulation of each of the flaps and the continuous pressure maintenance of the coil on the drum.
-2- Dispositif selon la revendication 1 , caractérisé en ce que chaque découpe présente une forme en croix.-2- Device according to claim 1, characterized in that each cutout has a cross shape.
-3 Dispositif selon l'une quelconque des revendications 1 et 2, caractérisé en ce que chaque volet est susceptible d'être pivoté d'une extrémité à l'autre de la découpe dans une amplitude de mouvement à 180°. -4- Dispositif selon la revendication 1, caractérisé en ce que les brides sont disposées à l'horizontal dans les parties supérieure et inférieure de chacune des découpes précitées, et permettent la réception et le positionnement d'un axe d'articulation (13), et en ce que les couples de brides présentent une forme en fourchette (lOa-l la) avec un évidement central (lOb-llb) pour permettre le positionnement et la tenue de l'axe de guidage (13) précité. -3 Device according to any one of claims 1 and 2, characterized in that each flap is capable of being pivoted from one end to the other of the cut in a range of movement at 180 °. -4- Device according to claim 1, characterized in that the flanges are arranged horizontally in the upper and lower parts of each of the above cutouts, and allow the reception and positioning of a hinge pin (13) , and in that the pairs of flanges have a fork shape (lOa-l la) with a central recess (lOb-llb) to allow the positioning and the holding of the aforementioned guide pin (13).
EP02806655A 2002-02-01 2002-12-19 Device for controlling and regulating the pressure of a roll of material in an automatic-cutting dispenser Expired - Lifetime EP1469766B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0201437 2002-02-01
FR0201437A FR2835418B1 (en) 2002-02-01 2002-02-01 DEVICE FOR CONTROLLING AND REGULATING THE PRESSURE OF A REEL OF MATERIAL IN AN AUTOMATIC CUT DISPENSER
PCT/FR2002/004445 WO2003063669A1 (en) 2002-02-01 2002-12-19 Device for controlling and regulating the pressure of a roll of material in an automatic-cutting dispenser

Publications (2)

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EP1469766A1 true EP1469766A1 (en) 2004-10-27
EP1469766B1 EP1469766B1 (en) 2009-10-28

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EP (1) EP1469766B1 (en)
CN (1) CN100386048C (en)
AT (1) ATE446703T1 (en)
DE (1) DE60234213D1 (en)
FR (1) FR2835418B1 (en)
TW (1) TWI292704B (en)
WO (1) WO2003063669A1 (en)

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Publication number Publication date
CN1625364A (en) 2005-06-08
DE60234213D1 (en) 2009-12-10
TWI292704B (en) 2008-01-21
TW200302705A (en) 2003-08-16
FR2835418B1 (en) 2004-03-26
WO2003063669A1 (en) 2003-08-07
FR2835418A1 (en) 2003-08-08
US6997094B2 (en) 2006-02-14
ATE446703T1 (en) 2009-11-15
CN100386048C (en) 2008-05-07
EP1469766B1 (en) 2009-10-28
US20040256516A1 (en) 2004-12-23

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