EP0017234A1 - Device for the individual separation and removal of single sheets from a stack - Google Patents

Device for the individual separation and removal of single sheets from a stack Download PDF

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Publication number
EP0017234A1
EP0017234A1 EP80101795A EP80101795A EP0017234A1 EP 0017234 A1 EP0017234 A1 EP 0017234A1 EP 80101795 A EP80101795 A EP 80101795A EP 80101795 A EP80101795 A EP 80101795A EP 0017234 A1 EP0017234 A1 EP 0017234A1
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EP
European Patent Office
Prior art keywords
roller
rollers
rotation
sheet
shaft
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
EP80101795A
Other languages
German (de)
French (fr)
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EP0017234B1 (en
Inventor
Henri Buys
Camille Carisey
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.)
Bull Transac
Original Assignee
Alcatel CIT SA
Bull Transac
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Publication date
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Publication of EP0017234A1 publication Critical patent/EP0017234A1/en
Application granted granted Critical
Publication of EP0017234B1 publication Critical patent/EP0017234B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/52—Friction retainers acting on under or rear side of article being separated
    • B65H3/5246—Driven retainers, i.e. the motion thereof being provided by a dedicated drive
    • B65H3/5253—Driven retainers, i.e. the motion thereof being provided by a dedicated drive the retainers positioned under articles separated from the top of the pile
    • B65H3/5261—Retainers of the roller type, e.g. rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
    • B65H5/062—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between rollers or balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1912—Banknotes, bills and cheques or the like

Definitions

  • the present invention relates to a device for separating and extracting stacked sheets one by one.
  • French Patent 2,177,747 describes a machine for driving, separating and stacking sheets in which the sheets are subjected to transverse undulation.
  • the object of the invention is to propose an improved device of the type with transverse undulation at an extremely high flow rate and the simultaneous extraction of several sheets of which is extremely rare.
  • the third roller is stationary in rotation in the direction corresponding to the drive in front of the upper sheet.
  • the third roller comprises means angularly limiting its rotation in the direction corresponding to the passage of a sheet between the second and the third roller and return means when said sheet has escaped from between the two so-called pebbles.
  • the third roller is mounted to rotate freely in both directions on a third fixed shaft, said means angularly limiting the rotation of the third roller in the direction corresponding to the extraction of the sheets, and the return means, comprising a plate mounted freewheeling on said fixed shaft, the freedom of rotation of said plate authorizing it to rotate in the same direction as the freewheel of the first and second rollers, said plate comprising a peripheral notch limiting the movement of a stud fixed perpendicular to the periphery of the third roller and penetrating into said notch, a return spring being fixed on the one hand to said stud and on the other hand to said plate so that the force exerted by this spring tends to rotate the third roller in the direction of the free wheel of said plate.
  • the first and second rollers are each divided into two half-rollers separated by a drive pinion, the two pinions being connected by a transmission member, a fourth roller being fixedly joined to said second shaft and a fifth roller mounted idly on an axis at the end of a lever, said lever comprising control means for tilting it from a first position in which said fifth roller is suspended in the vacuum, in a second position in which it rests both on said fourth roller and on an output member of a drive motor.
  • the invention is a device for separating and extracting banknotes for which the invention is particularly advantageous since it allows a very reduced rate of simultaneous distribution of several notes and that in this in the case of simultaneous distribution of several tickets, a detector placed downstream of the device according to the invention switches these tickets to a waste receptacle; subsequently, these tickets being counted manually, it is therefore advantageous to avoid these multiple simultaneous distributions as much as possible.
  • the dispensing capacity of a cash dispenser is dependent on the cash dispenser's magazine store, and this capacity is decreased by the amount of bills routed to the waste receptacle.
  • the set includes a magazine 1 in which is placed a stack of tickets 2. On the top of the stack, rests a first roller 3 separated into two half-rollers 3A and 3B by a first pinion 4 fixed on a first shaft 5. The half-rollers 3A and 3B are mounted freewheeling on the shaft 5. A second roller 6 also separated into two half-rollers 6A and 6B by a second pinion 7 fixed on a second shaft 8 is located parallel to the first roller 3 at the front end of the stack of banknotes 2. The half-rollers 6A and 6B are mounted freewheel on the shaft 8 A third roller 9 is mounted idly on a third fixed shaft 10 with a device for limiting angular rotation, in one direction, which will be described later.
  • This third roller 9 with an axis parallel to the first and second rollers 3 and 6 is located at the front end of the stack of banknotes 2 under the second roller 6 but without contact with the latter, so that the upper banknote 2A the stack 2 is located at the clearance between the second roller 6 and the third roller 9.
  • Each half-roller 6A and 6B has a groove 11A (or 11B) into which one of the two ends 12 penetrates without touching the bottom ( or 13) of the third roller 9 which also has a very wide groove 14, so that a ticket passing between the rollers 6 and 9 undergoes two transverse undulations which makes it possible to separate the upper ticket from the stack, from the following.
  • the two pinions 4 and 7 are connected by a toothed belt 15.
  • a fourth roller 16 is fixed on the second shaft 8
  • a fifth roller 17 is mounted idly at the end of a lever 18 which can pivot at 19 and is actuated by the piston 20, an electromagnet 21 for clutch control, pressing on the end 18 A in inclined plane of the lever 18.
  • the drive shaft 23 also carries a second drive roller 28 and under this roller and in contact with it is placed a sixth roller 29 mounted to rotate freely on a shaft 30.
  • drive roller 28 and sixth roller 29 constitute a means driving the upper ticket 2A of the stack 2 when this upper ticket has been separated from the following by the assembly of the first roller 3, second and third roller 6 and 9.
  • an electro-optical detector 31 controls the disengagement of the fifth idler roller 17 and the first and second rollers 3 and 6 continue to coast on the first and second shafts 5 and 8 by the friction exerted between these rollers 3 and 6 and the upper ticket driven forward.
  • a connection 39 connects the detector 31 to control the electromagnet 21.
  • the third roller 9 is slightly driven in rotation by the friction between this roller and the ticket but its rotation is only a few degrees because it is stopped by the device described below:
  • a plate 32 is mounted freewheeling on the fixed shaft 10 so that its freedom of rotation on the shaft 10 is in the same direction as the freedom of rotation of the first and second rollers 3 and 6, that is to say say in the direction of the arrows 24 and 27.
  • This plate 32 comprises a peripheral notch 33 and a lug 34 also located in the vicinity of the periphery but on another radius of the plate.
  • the third roller 9 comprises, fixed perpendicularly and in the vicinity of its periphery, a stud 35 which penetrates into the notch 33 of the plate 32 while leaving it a movement of a few degrees.
  • a return spring 36 connects the stud 35 to the lug 34.
  • the third roller 9 is driven in rotation by friction of the ticket against this roller until '' that the nipple 35 abuts against the edge 37 of the notch 33. There, the third roller 9 is blocked since the free wheel of the water dish 32 allows the rotation of this plate only in the opposite direction (direction of the arrows 24 and 27).
  • the first and second rollers 3 and 6 are coated with a rubber having a good coefficient of friction, greater than that with which the third roller 9 is coated.
  • the low forward rotation of the third roller 9 makes it possible to properly engage the upper ticket while its blocking after a few degrees stops the ticket located below if it had advanced a little.
  • the return behind the roller 9 once the upper ticket has escaped between the rollers 6 and 9 makes it possible to push back such a ticket.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Abstract

Dispositif de séparation et d'extraction de feuilles empilées, comportant un premier galet de friction (3) entraînant la feuille supérieure (2A) de la pile, un deuxième galet (6) situé à l'extrémité avant de la pile de feuilles et un troisième galet (9) situé sous le deuxième galet (6), le profil des deuxième et troisième galets (6,9) étant tel que la feuille subit une ondulation transversale lors de son passage entre lesdits galets (6,9).Device for separating and extracting stacked sheets, comprising a first friction roller (3) driving the upper sheet (2A) of the stack, a second roller (6) located at the front end of the stack of sheets and a third roller (9) located under the second roller (6), the profile of the second and third rollers (6,9) being such that the sheet undergoes a transverse undulation during its passage between said rollers (6,9).

Description

La présente invention concerne un dispositif de séparation et d'extraction une à une de feuilles empilées.The present invention relates to a device for separating and extracting stacked sheets one by one.

On connaît de nombreux dispositifs de ce genre et notamment, par le brevet français n° 2 231 221 qui décrit un dispositif d'extraction comportant un gaiSt moteur reposant avec une certaine pression sur le dessus de la pile.Numerous devices of this kind are known, and in particular, from French Patent No. 2,231,221 which describes an extraction device comprising a gaiSt motor resting with a certain pressure on the top of the stack.

L'extraction de la feuille supérieure de la pile se fait en deux temps : un premier temps pendant lequel le galet est entraîné en rotation de façon à faire reculer la feuille supérieure pour le faire échapper d'un dispositif appelé effeuilleur constitué par une petite lame souple et élastique reposant sur la feuille supérieure de la pile et pour lui faire faire une ondulation, la partie arrière de la feuille étant retenue par un galet exerçant une certaine pression et qui ne peut tourner que dans le sens qui correspond à l'avancement vers l'avant de la feuille. Le deuxième temps correspond à l'inversion du sens de rotation du galet moteur et l'entraînement vers l'avant de la feuille supérieure de la pile.The extraction of the upper sheet from the stack is done in two stages: a first stage during which the roller is driven in rotation so as to roll back the upper sheet to make it escape from a device called stripper consisting of a small blade flexible and elastic resting on the upper sheet of the stack and to make it make an undulation, the rear part of the sheet being retained by a roller exerting a certain pressure and which can only rotate in the direction which corresponds to the advancement towards the front of the sheet. The second step corresponds to the reversal of the direction of rotation of the drive roller and the forward drive of the top sheet of the stack.

Un tel dispositif fonctionne correctement à faible vitesse, cependant la rotation alternative du galet moteur dans un sens puis dans l'autre diminue évidemment la rapidité de distribution des feuilles.Such a device works correctly at low speed, however the alternating rotation of the drive roller in one direction then in the other obviously decreases the speed of distribution of the sheets.

Le brevet français 2 177 747 décrit une machine d'entraînement, de séparation et d'empilage de feuilles dans laquelle on fait subir aux feuilles une ondulation transversale.French Patent 2,177,747 describes a machine for driving, separating and stacking sheets in which the sheets are subjected to transverse undulation.

.Un tel procédé de séparation des feuilles les unes des autres permet un plus grand débit car les galets n'ont plus à avoir à tourner alternativement dans un sens puis dans l'autre..Such a method of separating the sheets from one another allows greater flow because the rollers no longer have to rotate alternately in one direction then in the other.

L'invention a pour but de proposer un dispositif perfectionné du type à ondulation transversale à débit extrêmement élevé et dont les extractions simultanées de plusieurs feuilles sont extrêmement rares.The object of the invention is to propose an improved device of the type with transverse undulation at an extremely high flow rate and the simultaneous extraction of several sheets of which is extremely rare.

L'invention a donc pour objet un dispositif de séparation et d'extraction une à une de feuilles empilées, comportant un premier galet en contact avec la partie avant de la feuille du dessus de la pile et comportant des moyens d'entraînement en rotation dans le sens correspondant à l'extraction vers l'avant de la feuille supérieure, caractérisé en ce que ce premier galet est monté en roue libre sur un premier arbre, que son moyen d'entraînement en rotation agit sur ledit arbre dans le sens de la roue libre dudit premier galet et entraîne également en rotation dans le même sens, un second arbre sur lequel est monté en roue libre un second galet dont l'axe est parallèle au premier galet et qui est situé à l'extrémité avant de la pile de feuilles, en ce qu'un troisième galet est situé parallèlement et sous le second galet et sans contact avec lui et de façon que la feuille supérieure de la pile puisse passer entre le second et le troisième galet, les génératrices des second et troisième galets ayant une forme telle que le passage d'une feuille entre ces deux galets provoque au moins une ondulation transversale de ladite feuille, en ce que des seconds moyens d'entraînement vers l'avant de ladite feuille sont situés en aval desdits second et troisième galets, et en ce que des moyens commandent l'arrêt des moyens d'entraînement en rotation des premier et second arbres entraînant les premier et second galets lorsque la feuille supérieure est entraînée par lesdits seconds moyens d'entraînement.The subject of the invention is therefore a device for separating and extracting, one by one, stacked sheets, comprising a first roller in contact with the front part of the sheet above the stack and comprising means for driving in rotation in the direction corresponding to the extraction towards the front of the sheet upper, characterized in that this first roller is mounted freewheeling on a first shaft, that its rotary drive means acts on said shaft in the direction of the freewheel of said first roller and also drives in rotation in the same direction , a second shaft on which is mounted freewheel a second roller whose axis is parallel to the first roller and which is located at the front end of the stack of sheets, in that a third roller is located parallel and under the second roller and without contact with it and so that the upper sheet of the stack can pass between the second and the third roller, the generatrices of the second and third rollers having a shape such that the passage of a sheet between these two rollers causes at least one transverse undulation of said sheet, in that second drive means towards the front of said sheet are located downstream of said second and third rollers, and in that means control the stopping of the m means for driving in rotation the first and second shafts driving the first and second rollers when the upper sheet is driven by said second drive means.

Selon une réalisation préférée de l'invention, le troisième galet est immobile en rotation dans le sens correspondant à l'entraînement en avant de la feuille supérieure.According to a preferred embodiment of the invention, the third roller is stationary in rotation in the direction corresponding to the drive in front of the upper sheet.

Selon une autre réalisation particulièrement avantageuse de l'invention, le troisième galet comporte des moyens limitant angulairement sa rotation dans le sens correspondant au passage d'une feuille entre le second et le troisième galet et des moyens de rappel lorsque ladite feuille a échappée d'entre les deux dits galets.According to another particularly advantageous embodiment of the invention, the third roller comprises means angularly limiting its rotation in the direction corresponding to the passage of a sheet between the second and the third roller and return means when said sheet has escaped from between the two so-called pebbles.

Avantageusement, le troisième galet est monté libre en rotation dans les deux sens sur un troisième arbre fixe, lesdits moyens limitant angulairement la rotation du troisième galet dans le sens correspondant à l'extraction des feuilles, et les moyens de rappels, comprenant un plateau monté en roue libre sur ledit arbre fixe, la liberté de rotation dudit plateau l'autorisant à tourner dans le même sens que la roue libre des premier et second galets, ledit plateau comportant une échancrure périphérique limitant le déplacement d'un téton fixé perpendiculairement à la périphérie du troisième galet et pénétrant dans ladite échancrure, un ressort de rappel étant fixé d'une part audit téton et d'autre part audit plateau de manière que l'effort exercé par ce ressort tende à faire tourner le troisième galet dans le sens de la roue libre dudit plateau.Advantageously, the third roller is mounted to rotate freely in both directions on a third fixed shaft, said means angularly limiting the rotation of the third roller in the direction corresponding to the extraction of the sheets, and the return means, comprising a plate mounted freewheeling on said fixed shaft, the freedom of rotation of said plate authorizing it to rotate in the same direction as the freewheel of the first and second rollers, said plate comprising a peripheral notch limiting the movement of a stud fixed perpendicular to the periphery of the third roller and penetrating into said notch, a return spring being fixed on the one hand to said stud and on the other hand to said plate so that the force exerted by this spring tends to rotate the third roller in the direction of the free wheel of said plate.

Selon une autre caractéristique d'une mise en oeuvre préférée de l'invention, les premier et second galets sont chacun divisés en deux demi-galets séparés par un pignon d'entraînement, les deux pignons étant reliés par un organe de transmission, un quatrième galet étant fixé solidairement audit second arbre et un cinquième galet monté fou sur un axe à l'extrémité d'un levier, ledit levier comportant des moyens de commande pour le faire basculer d'une première position dans laquelle ledit cinquième galet est suspendu dans le vide, à une seconde position dans laquelle il repose à la fois sur ledit quatrième galet et sur un organe de sortie d'un moteur d'entrai- nement.According to another characteristic of a preferred implementation of the invention, the first and second rollers are each divided into two half-rollers separated by a drive pinion, the two pinions being connected by a transmission member, a fourth roller being fixedly joined to said second shaft and a fifth roller mounted idly on an axis at the end of a lever, said lever comprising control means for tilting it from a first position in which said fifth roller is suspended in the vacuum, in a second position in which it rests both on said fourth roller and on an output member of a drive motor.

L'invention sera bien comprise à la lumière de la description qui va suivre d'un exemple préféré de réalisation de l'invention, faite en regard du dessin annexé dans lequel :

  • La figure 1 montre schématiquement en élévation un dispositif de séparation et d'extraction de feuilles selon l'invention.
  • La figure 2 est une vue partielle en coupe selon II-II de la figure 1.
  • La figure 3 est une vue de dessus partielle de la figure 1.
The invention will be clearly understood in the light of the following description of a preferred embodiment of the invention, made with reference to the appended drawing in which:
  • Figure 1 shows schematically in elevation a device for separating and extracting sheets according to the invention.
  • FIG. 2 is a partial sectional view along II-II of FIG. 1.
  • Figure 3 is a partial top view of Figure 1.

Dans l'exemple décrit, il s'agit d'un dispositif de séparation et d'extraction de billets de banque pour lequel l'invention est particulièrement avantageuse puisqu'elle permet un taux très réduit de distribution simultanée de plusieurs billets et que dans ce cas de distribution simultanée de plusieurs billets, un détecteur placé en aval du dispositif selon l'invention aiguille ces billets dans un réceptable de rebut ; ultérieurement, ces billets étant comptés manuellement il est donc intéressant d'éviter le plus possible ces distributions simultanées multiples. En plus de cela, la capacité de distribution d'un distributeur de billets dépend du magasin de stockage des billets du distributeur, et cette capacité est diminuée de la quantité de billets aiguillés vers le réceptacle de rebut.In the example described, it is a device for separating and extracting banknotes for which the invention is particularly advantageous since it allows a very reduced rate of simultaneous distribution of several notes and that in this in the case of simultaneous distribution of several tickets, a detector placed downstream of the device according to the invention switches these tickets to a waste receptacle; subsequently, these tickets being counted manually, it is therefore advantageous to avoid these multiple simultaneous distributions as much as possible. In addition to this, the dispensing capacity of a cash dispenser is dependent on the cash dispenser's magazine store, and this capacity is decreased by the amount of bills routed to the waste receptacle.

L'ensemble comporte un magasin 1 dans lequel est placée une pile de billets 2. Sur le dessus de la pile, repose un premier galet 3 séparé en deux demi-galets 3A et 3B par un premier pignon 4 fixé sur un premier arbre 5. Les demi-galets 3A et 3B sont montés en roue libre sur l'arbre 5. Un second galet 6 également séparé en deux demi-galets 6A et 6B par un deuxième pignon 7 fixé sur un second arbre 8 est situé parallèlement au premier galet 3 à l'extrémité avant de la pile de billets 2. Les demi-galets 6A et 6B sont montés en roue libre sur l'arbre 8. Un troisième galet 9 est monté fou sur un troisième arbre 10 fixe avec un dispositif de limitation de rotation angulaire, dans un sens, qui sera décrit plus loin.The set includes a magazine 1 in which is placed a stack of tickets 2. On the top of the stack, rests a first roller 3 separated into two half-rollers 3A and 3B by a first pinion 4 fixed on a first shaft 5. The half-rollers 3A and 3B are mounted freewheeling on the shaft 5. A second roller 6 also separated into two half-rollers 6A and 6B by a second pinion 7 fixed on a second shaft 8 is located parallel to the first roller 3 at the front end of the stack of banknotes 2. The half-rollers 6A and 6B are mounted freewheel on the shaft 8 A third roller 9 is mounted idly on a third fixed shaft 10 with a device for limiting angular rotation, in one direction, which will be described later.

Ce troisième galet 9 d'axe parallèle aux premier et deuxième galets 3 et 6 est situé à l'extrémité avant de la pile de billets 2 sous le second galet 6 mais sans contact avec ce dernier, de telle sorte que le billet supérieur 2A de la pile 2 soit situé au niveau du jeu entre le deuxième galet 6 et le troisième galet 9. Chaque demi-galet 6A et 6B comporte une gorge 11A (ou 11B) dans laquelle pénètre sans toucher le fond l'une des deux extrémité 12 (ou 13) du troisième galet 9 qui comporte également une gorge de grande largeur 14, de façon qu'un billet passant entre les galets 6 et 9 subisse deux ondulations transversalles ce qui permet de séparer le billet supérieur de la pile, des suivante.This third roller 9 with an axis parallel to the first and second rollers 3 and 6 is located at the front end of the stack of banknotes 2 under the second roller 6 but without contact with the latter, so that the upper banknote 2A the stack 2 is located at the clearance between the second roller 6 and the third roller 9. Each half-roller 6A and 6B has a groove 11A (or 11B) into which one of the two ends 12 penetrates without touching the bottom ( or 13) of the third roller 9 which also has a very wide groove 14, so that a ticket passing between the rollers 6 and 9 undergoes two transverse undulations which makes it possible to separate the upper ticket from the stack, from the following.

Les deux pignons 4 et 7 sont reliés par une courroie crantée 15. Un quatrième galet 16 est fixé sur le second arbre 8, et un cinquième galet 17 est monté fou à l'extrémité d'un levier 18 qui peut pivoter en 19 et est actionné par le piston 20, d'un électro-aimant 21 de commande d'embrayage, s'appuyant sur l'extrémité 18 A en pan incliné du levier 18.The two pinions 4 and 7 are connected by a toothed belt 15. A fourth roller 16 is fixed on the second shaft 8, and a fifth roller 17 is mounted idly at the end of a lever 18 which can pivot at 19 and is actuated by the piston 20, an electromagnet 21 for clutch control, pressing on the end 18 A in inclined plane of the lever 18.

Dans la position embrayée, l'extrémité 18 B du levier 18 est abaissé comme on le voit en trait continu sur la figure 1 et le cinquième galet 17 repose à la fois sur le quatrième galet 16 et sur un galet moteur 22 fixé sur un arbre moteur 23 entraîné en rotation dans le sens des flèches 24 par un moteur 25. Dans cette position, un ressort 26 permet au cinquième galet 17 d'exercer une certaine pression sur le galet moteur 22 et sur le quatrième galet 16 entraînant ainsi en rotation dans le sens des flèches 27 les premier et second arbres 5 et 8 et par le fait même les premier et second galets 3 et 6 montés en roue libres sur ces arbres 5 et 8 de manière que leur liberté de rotation par rapport à ces arbres soit également dans le sens des flèches 24 et 27. Dans la position débrayée, montrée en trait discontinu mixte sur la figure 1, l'extrémité 18 B du levier 18 est levé et le cinquième galet 17 est suspendu dans le vide.In the engaged position, the end 18 B of the lever 18 is lowered as seen in solid lines in FIG. 1 and the fifth roller 17 rests both on the fourth roller 16 and on a drive roller 22 fixed on a shaft motor 23 driven in rotation in the direction of the arrows 24 by a motor 25. In this position, a spring 26 allows the fifth roller 17 to exert a certain pressure on the drive roller 22 and on the fourth roller 16 thus causing rotation in the direction of the arrows 27 the first and second shafts 5 and 8 and thereby the first and second rollers 3 and 6 mounted in freewheel on these shafts 5 and 8 so that their freedom of rotation relative to these shafts is also in the direction of the arrows 24 and 27. In the disengaged position, shown in broken broken line in Figure 1, the end 18 B of the lever 18 is raised and the fifth roller 17 is suspended in the void.

L'arbre moteur 23 porte également un deuxième galet moteur 28 et sous ce galet et en contact avec lui est placé un sixième galet 29 monté libre en rotation sur un arbre 30. Ces deux galets : galet moteur 28 et sixième galet 29 constitent un moyen d'entraînement du billet supérieur 2A de la pile 2 lorsque ce billet supérieur a été séparé des suivant par l'ensemble premier galet 3, second et troisième galet 6 et 9. Dès que le billet supérieur 2A est pris entre le galet moteur 28 et le sixième galet 29, un détecteur électro-optique 31 commande le débrayage du cinquième galet fou 17 et les premier et second galets 3 et 6 continuent à tourner en roue libre sur les premier et second arbres 5 et 8 par la friction exercée entre ces galets 3 et 6 et le billet supérieur entraîné vers l'avant.The drive shaft 23 also carries a second drive roller 28 and under this roller and in contact with it is placed a sixth roller 29 mounted to rotate freely on a shaft 30. These two rollers: drive roller 28 and sixth roller 29 constitute a means driving the upper ticket 2A of the stack 2 when this upper ticket has been separated from the following by the assembly of the first roller 3, second and third roller 6 and 9. As soon as the upper ticket 2A is caught between the drive roller 28 and the sixth roller 29, an electro-optical detector 31 controls the disengagement of the fifth idler roller 17 and the first and second rollers 3 and 6 continue to coast on the first and second shafts 5 and 8 by the friction exerted between these rollers 3 and 6 and the upper ticket driven forward.

Une connexion 39 relie le détecteur 31 pour commander l'électro-aimant 21.A connection 39 connects the detector 31 to control the electromagnet 21.

Lors du passage du billet supérieur 2A entre les second et troisième galet 6 et 9, le troisième galet 9 est légèrement entraîné en rotation par la friction entre ce galet et le billet mais sa rotation n'est que de quelque degrés car elle est stoppée par le dispositif décrit ci-après :During the passage of the upper ticket 2A between the second and third roller 6 and 9, the third roller 9 is slightly driven in rotation by the friction between this roller and the ticket but its rotation is only a few degrees because it is stopped by the device described below:

Un plateau 32 est monté en roue libre sur l'arbre fixe 10 de manière que sa liberté de rotation sur l'arbre 10 soit dans le même sens que la liberté de rotation des premier et second galets 3 et 6, c'est-à-dire dans le sens des flèches 24 et 27. Ce plateau 32 comporte une échancrure périphérique 33 et un ergot 34 situé également au voisinage de la périphérie mais sur un autre rayon du plateau. Le troisième galet 9 comporte, fixé perpendiculairement et au voisinage de sa périphérie, un téton 35 qui pénètre dans l'échancrure 33 du plateau 32 en lui laissant un débattement de quelques degrés. Un ressort de rappel 36 relie le téton 35 à l'ergot 34. Ainsi, lors du passage d'un billet entre les second et troisième galets 6 et 9, le troisième galet 9 est entraîné en rotation par friction du billet contre ce galet jusqu'à ce que le téton 35 vienne buter contre le bord 37 de l'échancrure 33. Là, le troisième galet 9 est bloqué puisque la roue libre du plat eau 32 ne permet la rotation de ce plateau que dans le sens inverse (sens des flèches 24 et 27). Lorsque le billet supérieur a échappé d'entre les deux galets 6 et 9, le ressort de rappel 36 ramène le troisième galet 9 en arrière, et lorsque le téton 35 vient buter dans ce mouvement arrière contre l'autre bord 38 de l'échancrure 33, le plateau 32 subit une légère rotation ce qui permet de décaler petit à petit le point de passage des billets sur le troisième galet 9 et donc de répartir également son usure qui est ainsi très faible.A plate 32 is mounted freewheeling on the fixed shaft 10 so that its freedom of rotation on the shaft 10 is in the same direction as the freedom of rotation of the first and second rollers 3 and 6, that is to say say in the direction of the arrows 24 and 27. This plate 32 comprises a peripheral notch 33 and a lug 34 also located in the vicinity of the periphery but on another radius of the plate. The third roller 9 comprises, fixed perpendicularly and in the vicinity of its periphery, a stud 35 which penetrates into the notch 33 of the plate 32 while leaving it a movement of a few degrees. A return spring 36 connects the stud 35 to the lug 34. Thus, during the passage of a ticket between the second and third rollers 6 and 9, the third roller 9 is driven in rotation by friction of the ticket against this roller until '' that the nipple 35 abuts against the edge 37 of the notch 33. There, the third roller 9 is blocked since the free wheel of the water dish 32 allows the rotation of this plate only in the opposite direction (direction of the arrows 24 and 27). When the upper ticket has escaped between the two rollers 6 and 9, the return spring 36 brings the third roller 9 back, and when the stud 35 abuts in this rearward movement against the other edge 38 of the notch 33, the plate 32 undergoes a slight rotation which makes it possible to gradually shift the point of passage of the banknotes on the third roller 9 and therefore to also distribute its wear which is thus very low.

Les premier et second galets 3 et 6 sont revêtus d'un caoutchouc ayant un bon coefficient de frottement, supérieur à celui dont est revêtu le troisième galet 9.The first and second rollers 3 and 6 are coated with a rubber having a good coefficient of friction, greater than that with which the third roller 9 is coated.

La faible rotation en avant du troisième galet 9 permet de bien engager le billet supérieur tandis que son blocage au bout de quelques degrés arrête le billet située en dessous s'il avait un peu avancé. Le rappel en arrière du galet 9 une fois que le billet supérieur a échappé d'entre les galets 6 et 9 permet de repousser vers l'arrière un tel billet.The low forward rotation of the third roller 9 makes it possible to properly engage the upper ticket while its blocking after a few degrees stops the ticket located below if it had advanced a little. The return behind the roller 9 once the upper ticket has escaped between the rollers 6 and 9 makes it possible to push back such a ticket.

L'exemple décrit l'a été dans le cas d'un extracteur de billets, pour lequel l'invention est particulièrement interessante, mais l'invention s'applique évidemment à tout dispositif de séparation et d'extraction de feuilles.The example described was in the case of a banknote extractor, for which the invention is particularly interesting, but the invention obviously applies to any device for separating and extracting sheets.

Claims (5)

1/ Dispositif de séparation et d'extraction une à une de feuilles (2) empilées, comportant un premier galet (3) en contact avec la partie avant de la feuille du dessus de la pile et comportant des moyens d'entraînement en rotation dans le sens correspondant à l'extraction vers l'avant de la feuille supérieure, caractérisé en ce que ce premier galet (3) est monté en roue libre sur un premier arbre (5), que son moyen d'entraînement en rotation (16, 17, 22, 23, 25) agit sur ledit arbre dans le sens de la roue libre dudit premier galet et entraîne également en rotation dans le même sens un second arbre (8) sur lequel est monté en roue libre un second galet (6) dont l'axe est parallèle au premier galet et qui est situé à l'extrémité avant de la pile de feuilles, en ce qu'un troisième galet (9) est situé parallèlement et sous le second galet et sans contact avec lui de façon que la feuille supérieure de la pile puisse passer entre le second et le troisième galet, les génératrices des second et troisième galets ayant une forme telle que le passage d'une feuille entre ces deux galets provoque au moins une ondulation transversale de ladite feuille, en ce que des second moyens d'entraînement (28, 29) vers l'avant de ladite feuille sont situés en aval desdits second et troisième galets et en ce que des moyens commandent l'arrêt des moyens d'entraînement en rotation des premier et second arbres entraînant les premier et second galets lorsque la feuille supérieure est entraînée par lesdits seconds moyens d'entraînement. 1 / Device for separating and extracting one by one sheets (2) stacked, comprising a first roller (3) in contact with the front part of the sheet above the stack and comprising means for driving in rotation in the direction corresponding to the forward extraction of the upper sheet, characterized in that this first roller (3) is mounted freewheel on a first shaft (5), that its means for driving in rotation (16, 17, 22, 23, 25) acts on said shaft in the direction of the freewheel of said first roller and also rotates in the same direction a second shaft (8) on which is mounted a second roller (6) whose axis is parallel to the first roller and which is located at the front end of the stack of sheets, in that a third roller (9) is located parallel and under the second roller and without contact with it so that the top sheet of the stack can pass between the second and the third roller, the generatrices of the second and third rollers having a shape such that the passage of a sheet between these two rollers causes at least one transverse undulation of said sheet, in that second drive means (28, 29) towards the front of said sheet are located downstream of said second and third rollers and in that means control the stopping of the means for driving in rotation the first and second shafts driving the first and second rollers when the upper sheet is driven by said second drive means. 2/ Dispositif de séparation et d'extraction une à une de feuilles empilées selon la revendication 1, caractérisé en ce que ledit troisième galet (9) est immobile en rotation dans le sens correspondant à l'entraînement en avant de la feuille supérieure.2 / device for separation and extraction one by one of stacked sheets according to claim 1, characterized in that said third roller (9) is stationary in rotation in the direction corresponding to the drive in front of the upper sheet. 3/Dispositif de séparation et d'extraction une à une de feuilles empilées selon la revendication 1, caractérisé en ce que ledit troisième galet (9) comporte des'moyens (2) limitant angulairement sa rotation dans le sens correspondant au passage d'une feuille entre le second et le troisième galet et des moyens de rappel (3) lorsque ladite feuille a échappée d'entre les deux dits galets.3 / device for separation and extraction one by one of stacked sheets according to claim 1, characterized in that said third roller (9) comprises des'moyens (2) angularly limiting its rotation in the direction corresponding to the passage of a sheet between the second and the third roller and return means (3) when said sheet has escaped between the two said rollers. 4/ Dispositif de séparation et d'extraction une à une de feuilles empilées, selon la revendication 3, caractérisé en ce que ledit troisième galet (9) est monté libre en rotation dans les deux sens sur un troisième arbre (10) fixe et en ce que lesdits moyens limitant angulairement la rotation eu troisième galet dans le sens correspondant à l'extraction des feuilles et les moyens de rappels comprennent un plateau (32) monté en roue libre sur ledit arbre fixe, la liberté de rotation dudit plateau l'autorisant à tourner dans le même sens que la roue libre des premier et second galets, ledit plateau comportant une échancrure périphérique (33) limitant le déplacement d'un téton (35) fixé perpendiculairement à la périphérie du troisième galet et pénétrant dans ladite échanerure, un ressort de rappel (36) étant fixé d'une part audit téton et d'autre part audit plateau de manière que l'effort exercé par ce ressort tende à faire tourner le troisième galet dans le sens de la roue libre dudit plateau.4 / device for separation and extraction one by one of stacked sheets, according to claim 3, characterized in that said third roller (9) is mounted free in rotation in both directions on a third shaft (10) fixed and in what said means angularly limiting the rotation in the third roller in the direction corresponding to the extraction of the sheets and the return means comprise a plate (32) mounted in free wheel on said fixed shaft, the freedom of rotation of said plate allowing it to rotate in the same direction as the freewheel of the first and second rollers, said plate comprising a peripheral notch (33) limiting the displacement of a stud (35) fixed perpendicularly to the periphery of the third roller and penetrating into said notch, a return spring (36) being fixed on the one hand to said stud and on the other hand to said plate so that the force exerted by this spring tends to rotate the third roller in the direction of the free wheel of said plate. 5/ Dispositif de séparation et d'extraction une à une de feuilles empilées, selon lune des revendications 1 à 4, caractérisé en ce que les premier et second galets sont chacun divisés en deux demi-galets séparés par un pignon d'entraînement, les deux pignons étant reliés par un organe de transmission (15), en ce qu'un quatrième galet (16) est fixé solidairement audit second arbre et en ce qu'un cinquième galet (17) est monté fou sur un axe à l'extrémité d'un levier (18), ledit levier comportant des moyens de commande pour le faire basculer d'une première position dans laquelle ledit cinquième galet est suspendu dans le vide à une seconde position dans laquelle il repose à la fois sur ledit quatrième galet et sur un organe de sortie d'un moteur d'entraînement (25).5 / device for separation and extraction one by one of stacked sheets, according to one of claims 1 to 4, characterized in that the first and second rollers are each divided into two half-rollers separated by a drive pinion, the two pinions being connected by a transmission member (15), in that a fourth roller (16) is fixed integrally to said second shaft and in that a fifth roller (17) is mounted idly on an axis at the end a lever (18), said lever comprising control means for tilting it from a first position in which said fifth roller is suspended in a vacuum to a second position in which it rests both on said fourth roller and on an output member of a drive motor (25).
EP80101795A 1979-04-10 1980-04-03 Device for the individual separation and removal of single sheets from a stack Expired EP0017234B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7909035A FR2453809A1 (en) 1979-04-10 1979-04-10 METHOD AND DEVICE FOR SEPARATING AND EXTRACTING ONE TO ONE OF STACKED SHEETS
FR7909035 1979-04-10

Publications (2)

Publication Number Publication Date
EP0017234A1 true EP0017234A1 (en) 1980-10-15
EP0017234B1 EP0017234B1 (en) 1983-11-16

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ID=9224163

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Application Number Title Priority Date Filing Date
EP80101795A Expired EP0017234B1 (en) 1979-04-10 1980-04-03 Device for the individual separation and removal of single sheets from a stack

Country Status (10)

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US (1) US4316606A (en)
EP (1) EP0017234B1 (en)
JP (1) JPS5623136A (en)
CA (1) CA1132618A (en)
DE (1) DE3065581D1 (en)
DK (1) DK148080C (en)
ES (1) ES490387A0 (en)
FI (1) FI69437C (en)
FR (1) FR2453809A1 (en)
IE (1) IE49583B1 (en)

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EP0127242A1 (en) * 1983-05-31 1984-12-05 Océ-Nederland B.V. Conveyor device
EP0137381A2 (en) * 1983-09-28 1985-04-17 Mita Industrial Co. Ltd. Paper feeding device

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JPS6316531Y2 (en) * 1981-06-19 1988-05-11
JPS58167335A (en) * 1982-03-26 1983-10-03 Nippon I B M Kk Automatic paper feeding apparatus
US4728095A (en) * 1983-06-20 1988-03-01 Pitney Bowes Inc. Separator for a document feeder
FR2572907B1 (en) * 1984-11-13 1987-06-19 Bull Transac METHOD OF INVALIDATION OF VALUE DOCUMENTS AND THE DEVICE FOR CARRYING OUT THE METHOD
US4869490A (en) * 1987-08-13 1989-09-26 Ncr Corporation Incremental motion mechanism
US5163669A (en) * 1990-10-11 1992-11-17 Bryce Office Systems, Inc. Paper feed mechanism having an adjustable restrainer
IT1241343B (en) * 1990-12-10 1994-01-10 Olivetti Canon Ind Spa DEVICE FOR THE INTRODUCTION OF SHEETS IN A MACHINE FOR THE REPRODUCTION OR THE PRINTING OF DOCUMENTS.
US5348282A (en) * 1993-10-04 1994-09-20 Xerox Corporation Self adjusting feed roll
ITBO940267A1 (en) * 1994-06-07 1995-12-07 Gd Spa BLANK FEEDING UNIT.
ITBO940276A1 (en) * 1994-06-14 1995-12-14 Gd Spa ROLLING DEVICE FOR EXTENDED ELEMENTS, ESPECIALLY FOR THE PRODUCTION OF SMOKE ARTICLES
US5803308A (en) * 1995-12-12 1998-09-08 Rong; Chern-Bao Burglarproof device for lottery ticket dispenser
US6332608B1 (en) * 1999-01-06 2001-12-25 Canon Kabushiki Kaisha Sheet feeding apparatus
US7387297B2 (en) * 2005-06-24 2008-06-17 Xerox Corporation Printing system sheet feeder using rear and front nudger rolls
US9990793B2 (en) * 2013-07-31 2018-06-05 Ncr Corporation Media item separation
JP6231860B2 (en) * 2013-11-19 2017-11-15 理想科学工業株式会社 Paper folding device
US20150154822A1 (en) * 2013-12-02 2015-06-04 Chi-Ming Tsai Security Device for a Lottery Ticket Machine
JP7379855B2 (en) * 2019-04-22 2023-11-15 京セラドキュメントソリューションズ株式会社 Paper feeding device and image forming device
CN110950118A (en) * 2019-10-27 2020-04-03 北京点域科技有限公司 Device for conveying a sheet through a printing machine

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US3042397A (en) * 1959-01-21 1962-07-03 Burroughs Corp Sheet feeding mechanism
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EP0127242A1 (en) * 1983-05-31 1984-12-05 Océ-Nederland B.V. Conveyor device
EP0137381A2 (en) * 1983-09-28 1985-04-17 Mita Industrial Co. Ltd. Paper feeding device
EP0137381A3 (en) * 1983-09-28 1986-12-10 Mita Industrial Co. Ltd. Paper feeding device

Also Published As

Publication number Publication date
FR2453809B1 (en) 1982-07-02
FI69437B (en) 1985-10-31
ES8102970A1 (en) 1981-02-16
ES490387A0 (en) 1981-02-16
DE3065581D1 (en) 1983-12-22
DK152180A (en) 1980-10-11
FI801107A (en) 1980-10-11
FR2453809A1 (en) 1980-11-07
FI69437C (en) 1986-02-10
CA1132618A (en) 1982-09-28
DK148080B (en) 1985-02-25
IE800715L (en) 1980-10-10
EP0017234B1 (en) 1983-11-16
IE49583B1 (en) 1985-10-30
JPS5623136A (en) 1981-03-04
DK148080C (en) 1985-08-12
US4316606A (en) 1982-02-23

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