EP0485797B1 - Buckling folder, in three parts - Google Patents

Buckling folder, in three parts Download PDF

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Publication number
EP0485797B1
EP0485797B1 EP91118337A EP91118337A EP0485797B1 EP 0485797 B1 EP0485797 B1 EP 0485797B1 EP 91118337 A EP91118337 A EP 91118337A EP 91118337 A EP91118337 A EP 91118337A EP 0485797 B1 EP0485797 B1 EP 0485797B1
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EP
European Patent Office
Prior art keywords
pocket
sub
frame
plate
moving assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91118337A
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German (de)
French (fr)
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EP0485797A1 (en
Inventor
Marek Krasuski
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.)
Quadient Technologies France SA
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Neopost Technologies SA
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Publication date
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Publication of EP0485797A1 publication Critical patent/EP0485797A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/14—Buckling folders
    • B65H45/142—Pocket-type folders
    • B65H45/144—Pockets or stops therefor

Definitions

  • the invention relates to a folder with two pockets, three parts, intended to ensure the automatic folding of documents to be placed in envelopes.
  • a folder with two pockets allows you to fold a document in three, successively forming two folds.
  • each pocket cooperates with three rollers.
  • Each pocket has the form of a flat case comprising a stop at one end, and an orifice at an opposite end. The first two rollers ensure that the document is introduced and advanced into the pocket opening. The document collides with the stop, while the advance which is still printed on it causes the formation of a loop extending beyond the orifice of the pocket. This loop is taken and clamped by two rollers which then produce the desired fold and eject the document out of the pocket, through the same orifice.
  • US Patent 4,619,101 describes a first folder comprising two pockets arranged along the branches of a truncated V, with which is associated a set of four rollers, one of which is used for the two pockets.
  • This folder comprises a frame in two parts articulated by a hinge, one part being said to be upper and the other part being said to be lower. A so-called upper pocket is located in the upper part while a so-called lower pocket is located in the lower part.
  • each pocket has a fixed plate and a movable plate. These two plates are coupled to each other by a hinge pin located at one end of the pocket. When the two parts are closed, the movable plate is parallel to the fixed plate, for each pocket.
  • This first folder has a set of four rollers which is not disassembled when the folder is open. This set of rollers remains close to the opening of the lower pocket.
  • each pocket has a stop whose position is not adjustable.
  • European patent application No. 0 352 694 describes a second folder also comprising two pockets arranged along the branches of a truncated V, with which is associated a set of four rollers, one of which is used for the two pockets. It also consists of a chassis in two parts articulated by a hinge, but the four rollers are disassembled when the two chassis parts are open.
  • the pockets each have a fixed plate and a movable plate coupled by a hinge pin.
  • the axis of articulation of the lower pocket is located at the end which is opposite to that comprising the orifice.
  • the lower pocket therefore opens on the side where the rollers are located.
  • the user therefore accesses in the direction which is most convenient.
  • access in this direction is hampered by the presence of the rollers.
  • Two of the four rollers are integral with the lower part.
  • the other two rollers being integral with the upper part, they disappear when the folder is open, which reduces the discomfort caused by the rollers, but does not completely eliminate it.
  • a cable fixed to the lower part of the chassis pulls the movable plate from the upper pocket to open it
  • a cable fixed to the upper part of the chassis pulls the mobile plate from the lower pocket to open it.
  • Each pocket is thus opened in the form of a corner, with an angle of the order of 30 °, the amplitude of pivoting of the movable plate being limited by the surrounding obstacles.
  • a user can then remedy a jam by manually removing a document stuck in one of the pockets.
  • the user can also adjust the stops defining the position of the folds to be produced on the document.
  • the object of the invention is to propose a folder with two pockets allowing even easier access in the two pockets, in particular in the lower pocket.
  • the object of the invention is a folder with two pockets, as defined by claim 1.
  • Such a folder allows easy access into each pocket because the movable plate or second plate of each pocket is not linked to the fixed plate or first plate of this pocket by a hinge pin, but is independent by being supported by a mobile assembly which can be moved along a predetermined path.
  • This mobile assembly can be freely arranged according to the ease of access which is desired.
  • the trajectory can, in particular, be chosen such that any point on the movable plate of a pocket is brought to a distance greater than a fixed minimum value, relative to a homologous point on the fixed plate of this pocket.
  • the spacing of the two plates of the pocket is not necessarily small at one end of the pocket, as is the case in a pocket having a hinge pin.
  • the movable plate of the lower pocket can be placed in a position almost parallel to that of the fixed plate to provide an access of substantially constant width to the bottom of the lower pocket, which is the most difficult pocket to access due to the presence of a roller at its entrance.
  • the chassis of this exemplary embodiment is represented diagrammatically by a box surrounding the mechanism of the folder. This box is shown cut, to remove one of these faces to show the mechanism.
  • This exemplary embodiment comprises a lower part 1 articulated with an upper part 2 by a hinge 10.
  • the movable plates 5 and 22 are integral with a movable part or assembly 30 which is fixed during the operation of the folder.
  • a document to be folded is introduced between the rollers 26 and 27 along the path represented by the arrow 29.
  • the document advances inside the pocket formed by the plates 3 and 5, up to what the end of the document strikes the stop 4.
  • the rotation of the rollers 26 and 27 continues to cause the document to advance, which then forms a loop extending beyond the orifice of the pocket. This loop is taken and clamped by the rollers 26 and 25 which then make a first fold and then eject the document towards the lower pocket formed by the plates 21 to 23.
  • the document advances in the lower pocket until its end, constituted by the first fold, strikes the stop 20.
  • the advance printed by the rollers 25 and 26 causes the formation of a loop protruding from the hole in the lower pocket.
  • the loop is taken and clamped by the roller 24 and the roller 26 which then produce a second fold and eject the document along a path represented by the arrow 28.
  • the stops 4 and 20 are adjustable, by a translation along each pocket, to choose the position of the first and second folds on the document.
  • a single flange is visible in Figure 2.
  • the two flanges have similar shapes.
  • the plates 5 and 22 form a fixed angle between them, which is of the order of 70 ° in this example and they are each fixed to the two flanges 18. This angle is equal to the angle made by the fixed plates 3 and 21 , when the three parts are closed, so that the movable plates 5 and 22 are respectively parallel to the fixed plates 3 and 21.
  • Each flange has a slide 14 consisting of an oblong lumen. Its outline is closed and includes: two parallel edges in the form of concentric arcs, and two ends 19 in the form of half-circumferences. One of these ends 19 is used as a stop during opening.
  • Each flange further comprises a fixing point 15 for a spring and an ear 7 whose role will appear later.
  • the ear 7 has a generally planar shape surrounding a rectangular lumen.
  • FIG. 1 shows that the slide 14 cooperates with two cylindrical guide pins 13 and 16, fixed to the lower part 1.
  • the diameter of the pins 13 and 16 is equal to the distance between the two edges of the light constituting the slide 14.
  • Each slide 14 and the guide pins 13 and 16 impose a trajectory on the mobile part.
  • Each flange is pulled towards the upper part 2 by a helical spring. Only one of these springs, referenced 9, is visible in FIG. 1.
  • the spring 9 is fixed at point 15 of the flange 18 and at a fixing point 8 located on the upper part 2.
  • a stop 6 is constituted by a cylindrical pin fixed to the upper part 2 and floating in the lumen of the ear 7.
  • the spring 9 is in extension and it supports the flange 18 against the stop 6, the point of contact being one of the points at the edge of the lumen of the ear 7.
  • the flange 18 being guided by the pins 13 and 16 according to a path predetermined by the shape of the slide 14, the stop 6 determines a first extreme position of the movable part 30, which corresponds to a closure of the two pockets. This extreme position determines the spacing of the plates 3 and 5 and the spacing of the plates 21 and 22.
  • the motor driving the roller 26 is stopped and the user opens the three parts 1, 2, 30, to access the path followed by the documents, and in particular to access the interior of the two pockets.
  • the mobile part 30 continues to press against the stop 6 while moving, since the spring 9 continues to pull on the mobile part 30.
  • the stop 6 slides on the edge of the lumen of the ear 7.
  • the movable part 30, retained by the stop 6, follows the path predetermined by the shape of the slide 14.
  • the trajectory has the shape of an arc centered on a point 17. The latter is located outside the frame of the folder.
  • the trajectory has a small curvature and the movement of the movable part 30 is very similar to a translation.
  • the plate 22 is almost parallel to the plate 21 when the lower pocket is open, which facilitates access to the bottom of this pocket.
  • the rotational movement of the upper part 2 around the hinge 10 is multiplied by a transmission system consisting of the stop 6 and the spring 9, so as to drive the movable part 30 in a rotational movement around the point 17 with a multiplied angle of rotation.
  • the lower pocket opens without the upper pocket tends to close.
  • the stop 6 is located at a distance from the hinge 10 which is less than the distance between the stop 6 and point 17, whatever the degree of opening.
  • the spring 9 expands and the movable part 30 is moved to a position further from the lower part 1.
  • the upper part 2 moves away from the lower part 1, but it moves away faster than the mobile part 30, so that the relative displacement of the upper part 2 and the mobile part 30 increases the spacing between the fixed plate 3 and the mobile plate 5 of the upper pocket.
  • Figure 3 shows this embodiment at the end of the opening.
  • the spring 9 is then almost completely relaxed. However, it is still sufficiently taut to bring the mobile part 30 to a stop defining a second extreme position on its trajectory. This extreme position is defined by the closed end 19 of the slide 14, which bears against the guide pin 16. When this stop 19 is reached, the stop 6 no longer presses on the flange 18.
  • the upper part 2 has a position which is defined by a stop, not shown. It is applied against this stop by a jack comprising a spring. The position of the party upper 2 is then such that the stop 6 floats inside the lumen of the ear 7.
  • the position of the movable part 30, defined by the stop 19 and by the position of the pin 16, is such that the movable plate 22 is widely separated from the plate 21, even at the end opposite to that where the paper accesses, and the plates 3 and 5 are also widely separated. It also appears that the movable plate 22 is very clear with respect to the nearest roller 25, to allow a user to pass his hand to the bottom of the lower pocket.
  • the trajectory of the mobile part 30 is then a translation. It is also conceivable to impose on the mobile part 30 a trajectory of more complex shape, in S for example, to optimize the spacing of the mobile plates with respect to the fixed plates in each of the pockets, in the open position; and to optimize the movement of the movable part 30 relative to obstacles constituted by other elements of the mechanism, during the opening. It is within the reach of those skilled in the art to determine a trajectory other than a circular trajectory, knowing: the position which each movable plate must occupy during closing, the desired position for each movable plate during opening, and the constraints imposed on the trajectory by the neighboring obstacles of the mobile part. It is also within the reach of those skilled in the art to make other means of transmitting movement, increasing the rotation of the upper part before transmitting a movement to the mobile part, for example by using rods.

Description

L'invention concerne une plieuse à deux poches, à trois parties, destinée à assurer le pliage automatique de documents à mettre sous enveloppes. Une plieuse à deux poches permet de plier en trois un document, en formant successivement deux plis. Pour former un pli, chaque poche coopère avec trois rouleaux. Chaque poche a la forme d'un boîtier plat comportant une butée à une extrémité, et un orifice à une extrémité opposée. Deux premiers rouleaux assurent l'introduction et l'avance du document dans l'orifice de la poche. Le document se heurte à la butée, tandis que l'avance qui lui est toujours imprimée provoque la formation d'une boucle débordant de l'orifice de la poche. Cette boucle est prise et enserrée par deux rouleaux qui réalisent alors le pli souhaité et éjectent le document hors de la poche, par le même orifice.The invention relates to a folder with two pockets, three parts, intended to ensure the automatic folding of documents to be placed in envelopes. A folder with two pockets allows you to fold a document in three, successively forming two folds. To form a fold, each pocket cooperates with three rollers. Each pocket has the form of a flat case comprising a stop at one end, and an orifice at an opposite end. The first two rollers ensure that the document is introduced and advanced into the pocket opening. The document collides with the stop, while the advance which is still printed on it causes the formation of a loop extending beyond the orifice of the pocket. This loop is taken and clamped by two rollers which then produce the desired fold and eject the document out of the pocket, through the same orifice.

Le brevet US 4 619 101 décrit une première plieuse comportant deux poches disposées selon les branches d'un V tronqué, auxquelles est associé un ensemble de quatre rouleaux dont l'un est utilisé pour les deux poches. Cette plieuse comporte un châssis en deux parties articulées par une charnière, une partie étant dite supérieure et l'autre partie étant dite inférieure. Une poche dite supérieure est située dans la partie supérieure alors qu'une poche dite inférieure est située dans la partie inférieure.US Patent 4,619,101 describes a first folder comprising two pockets arranged along the branches of a truncated V, with which is associated a set of four rollers, one of which is used for the two pockets. This folder comprises a frame in two parts articulated by a hinge, one part being said to be upper and the other part being said to be lower. A so-called upper pocket is located in the upper part while a so-called lower pocket is located in the lower part.

Dans une telle plieuse, un bourrage peut survenir notamment lorsque plusieurs documents sont à plier simultanément, et qu'ils ont des caractéristiques dimensionnelles différentes. L'utilisateur doit pouvoir accéder dans chaque poche pour remédier à un éventuel bourrage. Pour faciliter l'accès, chaque poche comporte une plaque fixe et une plaque mobile. Ces deux plaques sont couplées l'une à l'autre par un axe d'articulation situé à une extrémité de la poche. Lorsque les deux parties sont fermées, la plaque mobile est parallèle à la plaque fixe, pour chaque poche. Cette première plieuse comporte un ensemble de quatre rouleaux qui n'est pas désassemblé lorsque la plieuse est ouverte. Cet ensemble de rouleaux reste à proximité de l'orifice de la poche inférieure.In such a folder, a jam can occur especially when several documents are to be folded simultaneously, and they have different dimensional characteristics. The user must be able to access each pocket to remedy a possible jam. To facilitate access, each pocket has a fixed plate and a movable plate. These two plates are coupled to each other by a hinge pin located at one end of the pocket. When the two parts are closed, the movable plate is parallel to the fixed plate, for each pocket. This first folder has a set of four rollers which is not disassembled when the folder is open. This set of rollers remains close to the opening of the lower pocket.

L'axe d'articulation de la poche inférieure est situé près de l'orifice de la poche, à proximité de l'ensemble de rouleaux. La poche inférieure s'ouvre donc à son autre extrémité, située du côté de la charnière. L'utilisateur accède donc selon la direction qui est la moins commode. L'utilisateur doit soulever d'une main la plaque mobile, puis, avec son autre main, contourner l'ensemble des quatre rouleaux et la plaque mobile, pour dégager un document bourré dans la poche. Dans cette première plieuse connue, chaque poche comporte une butée dont la position n'est pas réglable.The hinge pin of the lower pocket is located near the pocket opening, near the roller assembly. The lower pocket therefore opens at its other end, located on the side of the hinge. The user therefore accesses in the direction which is the least convenient. The user must lift the movable plate with one hand, then, with his other hand, bypass all four rollers and the movable plate, to release a document jammed in the pocket. In this first known folder, each pocket has a stop whose position is not adjustable.

La demande de brevet européen n°0 352 694 décrit une seconde plieuse comportant, elle aussi, deux poches disposées selon les branches d'un V tronqué, auxquelles est associé un ensemble de quatre rouleaux dont l'un est utilisé pour les deux poches. Elle est aussi constituée d'un châssis en deux parties articulées par une charnière, mais les quatres rouleaux sont désassemblés lorsque les deux parties de châssis sont ouvertes. Les poches comportent chacune une plaque fixe et une plaque mobile couplées par un axe d'articulation.European patent application No. 0 352 694 describes a second folder also comprising two pockets arranged along the branches of a truncated V, with which is associated a set of four rollers, one of which is used for the two pockets. It also consists of a chassis in two parts articulated by a hinge, but the four rollers are disassembled when the two chassis parts are open. The pockets each have a fixed plate and a movable plate coupled by a hinge pin.

Dans cette seconde plieuse, l'axe d'articulation de la poche inférieure est situé à l'extrémité qui est opposée à celle comportant l'orifice. La poche inférieure s'ouvre donc du côté où sont situés les rouleaux. L'utilisateur accède donc selon la direction qui est la plus commode. Malheureusement, l'accès selon cette direction est gêné par la présence des rouleaux. Deux des quatre rouleaux sont solidaires de la partie inférieure. Les deux autres rouleaux étant solidaires de la partie supérieure, ils s'effacent quand la plieuse est ouverte, ce qui réduit la gêne causée par les rouleaux, mais ne la supprime pas totalement. Lorsque les deux parties de châssis sont ouvertes, un câble fixé à la partie inférieure du châssis tire la plaque mobile de la poche supérieure pour l'ouvrir, et un câble fixé à la partie supérieure du châssis tire la plaque mobile de la poche inférieure pour l'ouvrir. Chaque poche est ouverte ainsi en forme de coin, avec un angle de l'ordre de 30°, l'amplitude de pivotement de la plaque mobile étant limitée par les obstacles environnants. Un utilisateur peut alors remédier à un bourrage en enlevant, à la main, un document resté bloqué dans l'une des poches. L'utilisateur peut aussi procéder à un réglage des butées définissant la position des plis à réaliser sur le document.In this second folder, the axis of articulation of the lower pocket is located at the end which is opposite to that comprising the orifice. The lower pocket therefore opens on the side where the rollers are located. The user therefore accesses in the direction which is most convenient. Unfortunately, access in this direction is hampered by the presence of the rollers. Two of the four rollers are integral with the lower part. The other two rollers being integral with the upper part, they disappear when the folder is open, which reduces the discomfort caused by the rollers, but does not completely eliminate it. When the two chassis parts are open, a cable fixed to the lower part of the chassis pulls the movable plate from the upper pocket to open it, and a cable fixed to the upper part of the chassis pulls the mobile plate from the lower pocket to open it. open it. Each pocket is thus opened in the form of a corner, with an angle of the order of 30 °, the amplitude of pivoting of the movable plate being limited by the surrounding obstacles. A user can then remedy a jam by manually removing a document stuck in one of the pockets. The user can also adjust the stops defining the position of the folds to be produced on the document.

Ces deux plieuses connues ont pour inconvénient un accès assez difficile au fond de chaque poche, à proximité de l'axe d'articulation, parce que la distance entre la plaque fixe et la plaque mobile décroît en direction de l'axe d'articulation. Dans la seconde plieuse connue, l'accès à la poche inférieure est gêné par la présence de l'un des rouleaux, et il est difficile d'y remédier en augmentant l'angle de pivotement de la plaque mobile de la poche inférieure, parce que son débattement est limité par l'encombrement de pièces voisines.These two known folding machines have the disadvantage of fairly difficult access to the bottom of each pocket, near the axis of articulation, because the distance between the fixed plate and the movable plate decreases towards the axis of articulation. In the second known folder, access to the lower pocket is hampered by the presence of one of the rollers, and it is difficult to remedy this by increasing the pivoting angle of the movable plate of the lower pocket, because that its travel is limited by the size of neighboring parts.

Le but de l'invention est de proposer une plieuse à deux poches permettant un accès encore plus facile dans les deux poches, notamment dans la poche inférieure.The object of the invention is to propose a folder with two pockets allowing even easier access in the two pockets, in particular in the lower pocket.

L'objet de l'invention est une plieuse à deux poches, telle que définie par la revendication 1.The object of the invention is a folder with two pockets, as defined by claim 1.

Une telle plieuse permet un accès facile dans chaque poche parce que la plaque mobile ou seconde plaque de chaque poche n'est pas liée à la plaque fixe ou première plaque de cette poche par un axe d'articulation, mais est indépendante en étant supportée par un ensemble mobile qui peut être déplacé selon une trajectoire prédéterminée. Cet ensemble mobile peut être agencé librement en fonction de la facilité d'accès qui est souhaitée. La trajectoire peut, en particulier, être choisie telle que tout point de la plaque mobile d'une poche soit amené à une distance supérieure à une valeur minimale fixée, par rapport à un point homologue de la plaque fixe de cette poche. Ainsi, l'écartement des deux plaques de la poche n'est pas forcément petit à une extrémité de la poche, comme c'est le cas dans une poche comportant un axe d'articulation.Such a folder allows easy access into each pocket because the movable plate or second plate of each pocket is not linked to the fixed plate or first plate of this pocket by a hinge pin, but is independent by being supported by a mobile assembly which can be moved along a predetermined path. This mobile assembly can be freely arranged according to the ease of access which is desired. The trajectory can, in particular, be chosen such that any point on the movable plate of a pocket is brought to a distance greater than a fixed minimum value, relative to a homologous point on the fixed plate of this pocket. Thus, the spacing of the two plates of the pocket is not necessarily small at one end of the pocket, as is the case in a pocket having a hinge pin.

En particulier, la plaque mobile de la poche inférieure peut être mise dans une position presque paralèlle à celle de la plaque fixe pour ménager un accès de largeur sensiblement constante jusqu'au fond de la poche inférieure, qui est la poche la plus difficile d'accès à cause de la présence d'un rouleau à son entrée.In particular, the movable plate of the lower pocket can be placed in a position almost parallel to that of the fixed plate to provide an access of substantially constant width to the bottom of the lower pocket, which is the most difficult pocket to access due to the presence of a roller at its entrance.

L'invention sera mieux comprise et d'autres caractéristiques apparaîtront à l'aide de la description ci-dessous et des figures l'accompagnant :

  • la figure 1 représente schématiquement un exemple de réalisation de la plieuse selon l'invention, lorsque les trois parties sont fermées, pour permettre le fonctionnement de la plieuse;
  • la figure 2 représente schématiquement la partie mobile que comporte cet exemple de réalisation;
  • la figure 3 représente schématiquement cet exemple de réalisation, lorsque les trois parties sont ouvertes pour permettre l'accès au chemin des documents et en particulier à l'intérieur des deux poches.
The invention will be better understood and other characteristics will appear with the aid of the description below and the accompanying figures:
  • Figure 1 schematically shows an embodiment of the folder according to the invention, when the three parts are closed, to allow the operation of the folder;
  • FIG. 2 schematically represents the movable part that this exemplary embodiment includes;
  • FIG. 3 schematically represents this exemplary embodiment, when the three parts are open to allow access to the document path and in particular inside the two pockets.

Sur la figure 1, le châssis de cet exemple de réalisation est représenté schématiquement par un coffret entourant le mécanisme de la plieuse. Ce coffret est représenté coupé, pour enlever l'une de ces faces afin de montrer le mécanisme. Cet exemple de réalisation comporte une partie inférieure 1 articulée avec une partie supérieure 2 par une charnière 10.In FIG. 1, the chassis of this exemplary embodiment is represented diagrammatically by a box surrounding the mechanism of the folder. This box is shown cut, to remove one of these faces to show the mechanism. This exemplary embodiment comprises a lower part 1 articulated with an upper part 2 by a hinge 10.

Le mécanisme comporte :

  • un ensemble de quatre rouleaux 24 à 27, le rouleau 26 tournant à une vitesse constante et entraînant les autres rouleaux;
  • une poche dite supérieure, située dans la partie supérieure 2, comportant : une plaque fixe ou première plaque 3, une plaque mobile ou seconde plaque 5, et une butée réglable 4;
  • une poche dite inférieure, située dans la partie inférieure 1, comportant : une plaque fixe ou première plaque principale 21, une plaque mobile ou seconde plaque 22, une petite plaque fixe 23 prolongeant la plaque mobile 22, et une butée réglable 20.
The mechanism includes:
  • a set of four rollers 24 to 27, the roller 26 rotating at a constant speed and driving the other rollers;
  • a so-called upper pocket, located in the upper part 2, comprising: a fixed plate or first plate 3, a movable plate or second plate 5, and an adjustable stop 4;
  • a so-called lower pocket, located in the lower part 1, comprising: a fixed plate or first main plate 21, a movable plate or second plate 22, a small fixed plate 23 extending the movable plate 22, and an adjustable stop 20.

Les plaques mobiles 5 et 22 sont solidaires d'une partie ou ensemble mobile 30 qui est fixe pendant le fonctionnement de la plieuse.The movable plates 5 and 22 are integral with a movable part or assembly 30 which is fixed during the operation of the folder.

Le fonctionnement de la plieuse est le suivant :
   Un document à plier est introduit entre les rouleaux 26 et 27 selon le chemin représenté par la flèche 29. Sous l'action du rouleau 26, le document avance à l'intérieur de la poche constituée par les plaques 3 et 5, jusqu'à ce que l'extrémité du document heurte la butée 4. La rotation des rouleaux 26 et 27 continue à provoquer une avance du document qui forme alors une boucle débordant de l'orifice de la poche. Cette boucle est prise et enserrée par les rouleaux 26 et 25 qui réalisent alors un premier pli puis éjectent le document vers la poche inférieure constituée par les plaques 21 à 23.The operation of the folder is as follows:
A document to be folded is introduced between the rollers 26 and 27 along the path represented by the arrow 29. Under the action of the roller 26, the document advances inside the pocket formed by the plates 3 and 5, up to what the end of the document strikes the stop 4. The rotation of the rollers 26 and 27 continues to cause the document to advance, which then forms a loop extending beyond the orifice of the pocket. This loop is taken and clamped by the rollers 26 and 25 which then make a first fold and then eject the document towards the lower pocket formed by the plates 21 to 23.

Sous l'action du rouleau 26, le document avance dans la poche inférieure jusqu'à ce que son extrémité, constituée par le premier pli, heurte la butée 20. L'avance imprimée par les rouleaux 25 et 26 provoque la formation d'une boucle débordant de l'orifice de la poche inférieure. La boucle est prise et enserrée par le rouleau 24 et le rouleau 26 qui réalisent alors un second pli et éjectent le document selon un chemin représenté par la flèche 28. Les butées 4 et 20 sont réglables, par une translation le long de chaque poche, pour choisir la position du premier et du second pli sur le document.Under the action of the roller 26, the document advances in the lower pocket until its end, constituted by the first fold, strikes the stop 20. The advance printed by the rollers 25 and 26 causes the formation of a loop protruding from the hole in the lower pocket. The loop is taken and clamped by the roller 24 and the roller 26 which then produce a second fold and eject the document along a path represented by the arrow 28. The stops 4 and 20 are adjustable, by a translation along each pocket, to choose the position of the first and second folds on the document.

La figure 2 représente la partie mobile 30, indépendamment du reste du mécanisme de la plieuse, pour plus de clarté. Elle comporte :

  • la plaque mobile 5 de la poche supérieure, munie de sa butée réglable 4;
  • la plaque mobile 22 de la poche inférieure, munie de sa butée réglable 20;
  • deux flasques 18, ayant une forme générale plane perpendiculaire au plan des plaques 5 et 22.
Figure 2 shows the movable part 30, independently of the rest of the folding mechanism, for clarity. It involves :
  • the movable plate 5 of the upper pocket, provided with its adjustable stop 4;
  • the movable plate 22 of the lower pocket, provided with its adjustable stop 20;
  • two flanges 18, having a generally planar shape perpendicular to the plane of the plates 5 and 22.

Un seul flasque est visible sur la figure 2. Les deux flasques ont des formes analogues. Les plaques 5 et 22 font entre elles un angle fixe, qui est de l'ordre de 70° dans cet exemple et elles sont fixées chacune aux deux flasques 18. Cet angle est égal à l'angle que font les plaques fixes 3 et 21, lorsque les trois parties sont fermées, pour que les plaques mobiles 5 et 22 soient respectivement parallèles aux plaques fixes 3 et 21.A single flange is visible in Figure 2. The two flanges have similar shapes. The plates 5 and 22 form a fixed angle between them, which is of the order of 70 ° in this example and they are each fixed to the two flanges 18. This angle is equal to the angle made by the fixed plates 3 and 21 , when the three parts are closed, so that the movable plates 5 and 22 are respectively parallel to the fixed plates 3 and 21.

Chaque flasque comporte une glissière 14 constituée d'une lumière oblongue. Son contour est fermé et comporte : deux bords parallèles en forme d'arcs de cercle concentriques, et deux extrémités 19 en forme de demi-circonférences. L'une de ces extrémités 19, est utilisée comme butée lors de l'ouverture. Chaque flasque comporte en outre un point de fixation 15 pour un ressort et une oreille 7 dont le rôle apparaîtra plus loin. L'oreille 7 a une forme générale plane entourant une lumière rectangulaire.Each flange has a slide 14 consisting of an oblong lumen. Its outline is closed and includes: two parallel edges in the form of concentric arcs, and two ends 19 in the form of half-circumferences. One of these ends 19 is used as a stop during opening. Each flange further comprises a fixing point 15 for a spring and an ear 7 whose role will appear later. The ear 7 has a generally planar shape surrounding a rectangular lumen.

La figure 1 montre que la glissière 14 coopère avec deux pions cylindriques de guidage 13 et 16, fixés à la partie inférieure 1. Le diamètre des pions 13 et 16 est égal à la distance entre les deux bords de la lumière constituant la glissière 14. Chaque glissière 14 et les pions de guidage 13 et 16 imposent une trajectoire à la partie mobile. Chaque flasque est tiré vers la partie supérieure 2 par un ressort hélicoïdal. Un seul de ces ressorts, référencé 9, est visible sur la figure 1. Le ressort 9 est fixé au point 15 du flasque 18 et à un point de fixation 8 situé sur la partie supérieure 2.FIG. 1 shows that the slide 14 cooperates with two cylindrical guide pins 13 and 16, fixed to the lower part 1. The diameter of the pins 13 and 16 is equal to the distance between the two edges of the light constituting the slide 14. Each slide 14 and the guide pins 13 and 16 impose a trajectory on the mobile part. Each flange is pulled towards the upper part 2 by a helical spring. Only one of these springs, referenced 9, is visible in FIG. 1. The spring 9 is fixed at point 15 of the flange 18 and at a fixing point 8 located on the upper part 2.

Une butée 6 est constituée par un pion cylindrique fixé à la partie supérieure 2 et flottant dans la lumière de l'oreille 7. Lorsque les trois parties 1, 2, 30 sont fermées, le ressort 9 est en extension et il appuie le flasque 18 contre la butée 6, le point de contact étant un des points en bordure de la lumière de l'oreille 7. Le flasque 18 étant guidé par les pions 13 et 16 selon une trajectoire prédéterminée par la forme de la glissière 14, la butée 6 détermine une première position extrême de la partie mobile 30, qui correspond à une fermeture des deux poches. Cette position extrême détermine l'écartement des plaques 3 et 5 et l'écartement des plaques 21 et 22.A stop 6 is constituted by a cylindrical pin fixed to the upper part 2 and floating in the lumen of the ear 7. When the three parts 1, 2, 30 are closed, the spring 9 is in extension and it supports the flange 18 against the stop 6, the point of contact being one of the points at the edge of the lumen of the ear 7. The flange 18 being guided by the pins 13 and 16 according to a path predetermined by the shape of the slide 14, the stop 6 determines a first extreme position of the movable part 30, which corresponds to a closure of the two pockets. This extreme position determines the spacing of the plates 3 and 5 and the spacing of the plates 21 and 22.

En cas de bourrage, le moteur entraînant le rouleau 26 est arrêté et l'usager ouvre les trois parties 1, 2, 30, pour accéder au chemin suivi par les documents, et en particulier pour accéder à l'intérieur des deux poches. Lorsque la partie supérieure 2 est déplacée par rapport à la partie inférieure 1, la partie mobile 30 continue à appuyer contre la butée 6 en déplacement, car le ressort 9 continue à tirer sur la partie mobile 30. La butée 6 glisse sur le bord de la lumière de l'oreille 7. La partie mobile 30, retenue par la butée 6, suit la trajectoire prédéterminée par la forme de la glissière 14. Dans cet exemple, la trajectoire a la forme d'un arc de cercle centré sur un point 17. Ce dernier est situé à l'extérieur du châssis de la plieuse. Ainsi la trajectoire a une faible courbure et le déplacement de la partie mobile 30 ressemble beaucoup à une translation. La plaque 22 est presque parallèle à la plaque 21 quand la poche inférieure est ouverte, ce qui facilite l'accès au fond de cette poche.In the event of a jam, the motor driving the roller 26 is stopped and the user opens the three parts 1, 2, 30, to access the path followed by the documents, and in particular to access the interior of the two pockets. When the upper part 2 is moved relative to the lower part 1, the mobile part 30 continues to press against the stop 6 while moving, since the spring 9 continues to pull on the mobile part 30. The stop 6 slides on the edge of the lumen of the ear 7. The movable part 30, retained by the stop 6, follows the path predetermined by the shape of the slide 14. In this example, the trajectory has the shape of an arc centered on a point 17. The latter is located outside the frame of the folder. Thus the trajectory has a small curvature and the movement of the movable part 30 is very similar to a translation. The plate 22 is almost parallel to the plate 21 when the lower pocket is open, which facilitates access to the bottom of this pocket.

Dans cet exemple, le mouvement de rotation de la partie supérieure 2 autour de la charnière 10 est démultiplié par un système de transmission constitué de la butée 6 et du ressort 9, de façon à entraîner la partie mobile 30 dans un mouvement de rotation autour du point 17 avec un angle de rotation démultiplié. Ainsi, la poche inférieure s'ouvre sans que la poche supérieure tende à se fermer. Au contraire, elle s'ouvre. Pour obtenir cette démultiplication du mouvement de la partie supérieure 2, la butée 6 est située à une distance de la charnière 10 qui est inférieure à la distance entre la butée 6 et le point 17, quelle que soit le degré d'ouverture.In this example, the rotational movement of the upper part 2 around the hinge 10 is multiplied by a transmission system consisting of the stop 6 and the spring 9, so as to drive the movable part 30 in a rotational movement around the point 17 with a multiplied angle of rotation. Thus, the lower pocket opens without the upper pocket tends to close. On the contrary, it opens. To obtain this reduction in the movement of the upper part 2, the stop 6 is located at a distance from the hinge 10 which is less than the distance between the stop 6 and point 17, whatever the degree of opening.

Au fur et à mesure de l'ouverture, le ressort 9 se détend et la partie mobile 30 est déplacée dans une position plus éloignée de la partie inférieure 1. Pendant ce temps, la partie supérieure 2 s'éloigne de la partie inférieure 1, mais elle s'éloigne plus vite que la partie mobile 30, de telle sorte que le déplacement relatif de la partie supérieure 2 et de la partie mobile 30 augmente l'écartement entre la plaque fixe 3 et la plaque mobile 5 de la poche supérieure.As the opening progresses, the spring 9 expands and the movable part 30 is moved to a position further from the lower part 1. During this time, the upper part 2 moves away from the lower part 1, but it moves away faster than the mobile part 30, so that the relative displacement of the upper part 2 and the mobile part 30 increases the spacing between the fixed plate 3 and the mobile plate 5 of the upper pocket.

La figure 3 représente cet exemple de réalisation à la fin de l'ouverture. Le ressort 9 est alors presque complètement détendu. Il est cependant encore suffisamment tendu pour amener la partie mobile 30 jusqu'à une butée définissant une seconde position extrême sur sa trajectoire. Cette position extrême est définie par l'extrémité fermée 19 de la glissière 14, qui vient s'appuyer contre le pion de guidage 16. Quand cette butée 19 est atteinte, la butée 6 n'appuie plus sur le flasque 18. A la fin du mouvement d'ouverture, la partie supérieure 2 a une position qui est définie par une butée, non représentée. Elle est appliquée contre cette butée par un vérin comportant un ressort. La position de la partie supérieure 2 est alors telle que la butée 6 flotte à l'intérieur de la lumière de l'oreille 7. La position de la partie mobile 30, définie par la butée 19 et par la position du pion 16, est telle que la plaque mobile 22 est largement écartée de la plaque 21, même à l'extrémité opposée à celle où accède le papier, et les plaques 3 et 5 sont elles aussi largement écartées. Il apparaît en outre que la plaque mobile 22 est très dégagée par rapport au rouleau 25 le plus proche, pour permettre à un usager de passer sa main jusqu'au fond de la poche inférieure.Figure 3 shows this embodiment at the end of the opening. The spring 9 is then almost completely relaxed. However, it is still sufficiently taut to bring the mobile part 30 to a stop defining a second extreme position on its trajectory. This extreme position is defined by the closed end 19 of the slide 14, which bears against the guide pin 16. When this stop 19 is reached, the stop 6 no longer presses on the flange 18. At the end of the opening movement, the upper part 2 has a position which is defined by a stop, not shown. It is applied against this stop by a jack comprising a spring. The position of the party upper 2 is then such that the stop 6 floats inside the lumen of the ear 7. The position of the movable part 30, defined by the stop 19 and by the position of the pin 16, is such that the movable plate 22 is widely separated from the plate 21, even at the end opposite to that where the paper accesses, and the plates 3 and 5 are also widely separated. It also appears that the movable plate 22 is very clear with respect to the nearest roller 25, to allow a user to pass his hand to the bottom of the lower pocket.

Il est possible à un utilisateur d'augmenter encore l'écartement de la plaque mobile 5, par rapport à la plaque fixe 3, en tirant sur la plaque 5, ce qui a pour effet d'étirer le ressort 9 et d'éloigner un peu plus la partie mobile 30 de la partie supérieure 2. Cette possibilité est volontairement limitée au moyen de l'oreille 7 qui entoure la butée 6 et qui bute sur cette dernière si l'utilisateur exerce une trop grande force sur la plaque 5.It is possible for a user to further increase the spacing of the movable plate 5, relative to the fixed plate 3, by pulling on the plate 5, which has the effect of stretching the spring 9 and removing a little more than the mobile part 30 of the upper part 2. This possibility is deliberately limited by means of the ear 7 which surrounds the stop 6 and which abuts on the latter if the user exerts too great a force on the plate 5.

Il est à remarquer que si le point 17 est situé à l'infini, la trajectoire de la partie mobile 30 est alors une translation. Il est envisageable aussi d'imposer à la partie mobile 30 une trajectoire de forme plus complexe, en S par exemple, pour optimiser l'écartement des plaques mobiles par rapport aux plaques fixes dans chacune des poches, en position ouverte; et pour optimiser le déplacement de la partie mobile 30 par rapport à des obstacles constitués par d'autres éléments du mécanisme, au cours de l'ouverture. Il est à la portée de l'homme de l'art de déterminer une trajectoire autre qu'une trajectoire circulaire, connaissant : la position que doit occuper chaque plaque mobile lors de la fermeture, la position souhaitée pour chaque plaque mobile lors de l'ouverture, et les contraintes imposées à la trajectoire par les obstacles voisins de la partie mobile. Il est aussi à la portée de l'Homme de l'Art de réaliser d'autres moyens de transmission de mouvement, démultipliant la rotation de la partie supérieure avant de transmettre un mouvement à la partie mobile, par exemple en utilisant des biellettes.It should be noted that if the point 17 is located at infinity, the trajectory of the mobile part 30 is then a translation. It is also conceivable to impose on the mobile part 30 a trajectory of more complex shape, in S for example, to optimize the spacing of the mobile plates with respect to the fixed plates in each of the pockets, in the open position; and to optimize the movement of the movable part 30 relative to obstacles constituted by other elements of the mechanism, during the opening. It is within the reach of those skilled in the art to determine a trajectory other than a circular trajectory, knowing: the position which each movable plate must occupy during closing, the desired position for each movable plate during opening, and the constraints imposed on the trajectory by the neighboring obstacles of the mobile part. It is also within the reach of those skilled in the art to make other means of transmitting movement, increasing the rotation of the upper part before transmitting a movement to the mobile part, for example by using rods.

Claims (6)

  1. A two-pocket folding machine, having a sub-frame, a top pocket and a bottom pocket, each pocket having a first plate (3, 21) and a second plate (5, 22), and the folding machine comprising:
       a top portion (2) of the sub-frame which includes the first plate (3) of the top pocket, said first plate being fixed to the top portion of the sub-frame;
       a bottom portion (1) of the sub-frame which includes the first plate (21) of the bottom pocket, and which is mounted to articulate on the top portion (1) of the sub-frame by a hinge (10);
       the folding machine being characterized by a moving assembly (30) including the second plate (22) of the bottom pocket, and the second plate (5) of the top pocket, the two second plates (5, 22) being mounted in fixed relationship with each other in the moving assembly (30); and means (6, 16) provided by the top and bottom portions (1, 2) of the sub-frame for displacing the moving assembly (30) along a predetermined trajectory relative to the top and bottom portions of the sub-frame during opening and closing of said top and bottom portions of the sub-frame so that each of the second plates (5, 22) is parallel to and close to a respective one of the corresponding first plates (3, 21) when said portions are closed, and the corresponding first and second plates (3, 5; 21, 22) are moved away from each other when the sub-frame portions are open, so as to provide access to the insides of the pockets.
  2. A folding machine according to claim 1, characterized in that the means for displacing the moving assembly (30) comprise:
       a slideway (14) having a shape which confines the moving assembly (30) to a predetermined trajectory relative to said bottom portion (1) of the sub-frame; and
       transmission means (6, 9, 10, 14, 15, 16) for transmitting reduced motion from the top portion (2) of the sub-frame to the moving assembly (30) during opening so that the first plate (3) of the top pocket in the top portion moves further away from the bottom portion (1) of the sub-frame, than does the second plate (5) of the top pocket, such that the relative displacement of the two plates (3, 5) of the top pocket moves them apart and provides access to the inside of the top pocket.
  3. A folding machine according to claim 2, characterized in that the transmission means comprise:
       at least one spring (9) stretched between a point (8) on the top portion (2) of the sub-frame and a point (15) on the moving assembly (30); and
       at least one abutment (6) fixed to the top portion (2) of the sub-frame, the moving assembly (30) bearing against the abutment under the action of said spring (9), during opening and closing.
  4. A folding machine according to claim 2, characterized in that overall shape of the slideway (14) is an arc of a circle.
  5. A folding machine according to claim 2, characterized in that the moving assembly (30) comprises two panels (18) perpendicular to the two second plates (5, 22) and fixed to them, each panel (18) including a slideway (14) constituted by a slot cut through that panel (18).
  6. A folding machine according to claim 5, characterized in that each moving panel (18) of the moving assembly (30) includes another slot defining a lug (7) surrounding said abutment (6), thereby enabling a user to move the moving assembly (30) a little further away from the top portion (2) of the sub-frame, while limiting the extent of this additional movement.
EP91118337A 1990-10-31 1991-10-28 Buckling folder, in three parts Expired - Lifetime EP0485797B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9013580A FR2668459B1 (en) 1990-10-31 1990-10-31 POCKET FOLDER, THREE PARTS.
FR9013580 1990-10-31

Publications (2)

Publication Number Publication Date
EP0485797A1 EP0485797A1 (en) 1992-05-20
EP0485797B1 true EP0485797B1 (en) 1996-01-03

Family

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Application Number Title Priority Date Filing Date
EP91118337A Expired - Lifetime EP0485797B1 (en) 1990-10-31 1991-10-28 Buckling folder, in three parts

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US (1) US5176614A (en)
EP (1) EP0485797B1 (en)
DE (1) DE69116105T2 (en)
FR (1) FR2668459B1 (en)

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Publication number Priority date Publication date Assignee Title
JPH05330711A (en) * 1992-05-27 1993-12-14 Brother Ind Ltd Curl removal device for record paper in image forming device
FR2704846B1 (en) * 1993-05-03 1995-07-13 Secap FOLDING DOCUMENT FOLDER.
US5437596A (en) * 1993-09-17 1995-08-01 Pitney Bowes Inc. Compression plate assembly for a folder buckle chute
FR2714633B1 (en) * 1993-12-30 1996-04-05 Neopost Ind Automatic document feeder for folding and / or inserting machine.
FR2757841B1 (en) * 1996-12-31 1999-03-26 Neopost Ind AUTOMATIC FEEDER FOR FOLDER / INSERTER
ATE174869T1 (en) * 1997-02-25 1999-01-15 Cratech Gmbh MACHINE FOR FOLDING SHEET-SHAPED OBJECTS
US5980443A (en) * 1997-12-23 1999-11-09 Pitney Bowes Inc. Envelope bypass device for folding machine
PT1561716E (en) * 2004-02-06 2008-07-09 Heidelberger Druckmasch Ag Folding machine for the graphics industry.
ATE462669T1 (en) * 2006-12-08 2010-04-15 Ravensburger Spieleverlag Gmbh DEVICE FOR PRODUCING TRIPLE-FOLDED PAPER STRIPS IN ONE PASS
DE102008012776A1 (en) * 2008-03-05 2009-09-10 Heidelberger Druckmaschinen Ag Device for receiving guide elements and tools of a folding box gluer
CN102424298B (en) * 2011-08-08 2015-11-25 广州市益佳昌盛自动化科技有限公司 Automatic paper feeding digital indentation paper folding machine

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Publication number Priority date Publication date Assignee Title
FR352694A (en) * 1905-03-24 1905-08-17 Jules Hippolyte Bontemps Protected inner tube for pneumatic tires
DE3447301A1 (en) * 1984-02-17 1985-09-05 Mathias Bäuerle GmbH, 7742 St Georgen SLEEVE FOLDING MACHINE
DE3412606A1 (en) * 1984-04-04 1985-10-24 Mathias Bäuerle GmbH, 7742 ST. Georgen SUSPENSION FOLDING MACHINE WITH PROTECTIVE HOUSING
JPS612670A (en) * 1984-06-15 1986-01-08 Canon Inc Sheet folding apparatus
US4619101A (en) * 1985-12-16 1986-10-28 Pitney Bowes Inc. Sheet folding inserting machine
FR2634747B1 (en) * 1988-07-27 1990-09-14 Alcatel Satmam POCKET FOLDER

Also Published As

Publication number Publication date
EP0485797A1 (en) 1992-05-20
FR2668459A1 (en) 1992-04-30
DE69116105D1 (en) 1996-02-15
US5176614A (en) 1993-01-05
FR2668459B1 (en) 1992-12-24
DE69116105T2 (en) 1996-05-15

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