EP0623706B1 - Switch for overhead conveyor system - Google Patents
Switch for overhead conveyor system Download PDFInfo
- Publication number
- EP0623706B1 EP0623706B1 EP94490022A EP94490022A EP0623706B1 EP 0623706 B1 EP0623706 B1 EP 0623706B1 EP 94490022 A EP94490022 A EP 94490022A EP 94490022 A EP94490022 A EP 94490022A EP 0623706 B1 EP0623706 B1 EP 0623706B1
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- EP
- European Patent Office
- Prior art keywords
- movable section
- suspension element
- articulation means
- accordance
- section
- 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.)
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/22—Tracks for railways with the vehicle suspended from rigid supporting rails
- E01B25/26—Switches; Crossings
Definitions
- the invention relates to a switching device for hanging conveyors.
- conveyors are used forming a plurality of loops, each of which is generally connected to a main transport, in particular by devices referral.
- these hanging conveyors include rails which are carried by a structure and, for example, are connected to a load-bearing element, in particular using hangers rigid.
- the articulation is of a type with a degree of freedom so that the moving section is actually maintained only by said articulation and the trajectory of its free end is defined exclusively by the position of the axis of articulation.
- the front face of the mobile section is necessarily sufficiently spaced from the end face of the fixed rail considered to allow the free end of the section to escape movable from its so-called passage position to its position waiting but nevertheless close enough not to interfere with smooth movement of carts from one rail to another other.
- this front face of the movable section is not in abutment on the end of the fixed rail but when a load circulates on this section, it inflicts, on this section, a bending variable with the load and, at the axis of articulation, a stress which could cause, if not shear, at least rapid wear of this articulation by friction and / or a deformation that would affect the proper functioning of the mobile section.
- the movement of the mobile section can be controlled performed using a motor means but more generally this is done manually by an attendant.
- This circular arc piece is carried by a structure which extends above the path of the movable section.
- the invention relates to such a device switch particularly characterized in that the free end at least one movable section is supported substantially on the its entire trajectory by a suspension element connecting said free end to at least one support point which, located above the plane defined by the trajectory of said mobile section considered, is substantially on the axis of the means of articulation of the mobile section so as to define a triangle.
- an installation is partially represented 1 conveyor, for example, for a workshop for making clothes which to transfer the clothes from a post to work to another, includes a plurality of loops, each generally connected to a so-called channel 2 main transport via devices referral 3.
- these rails are carried by a structure 4 and, for example, are connected to a carrier element in particular to using lines 20.
- the mobile section can be straight or curved.
- the articulation 9, 10 is of a type with a degree of freedom so that the mobile section is only really maintained by said articulation and its trajectory is defined exclusively by the position of the hinge pin.
- the rail preferably has an inverted V section and this are the two branches 12, 13 of the Vé which serve as tracks of bearing for rolling elements which have trolleys (not shown) running on the suspended rails.
- the lines are attached to the tip of the Vé, for example at using a weld bead.
- the front face of the mobile section is necessarily separated of the end face of the fixed rail considered to allow the exhaust of the free end of the movable section from its so-called transition position to its waiting position even if this gap remains small so as not to hinder the smooth passage carriages (not shown) from one rail to another.
- the end face 21 of the section movable either orthogonal to the longitudinal axis 22 of the section considered it is inclined on this axis from the point from the Vé towards the rear of the mobile section in the manner of a skew cut and the end face 23 of the fixed rail is also inclined on its axis to obviously remain parallel to the end face 21 of the movable section.
- the axis of rotation 24 of the movable section 5, 6 adjoins the lateral edge of this section mobile substantially at the intersection of the rear face of the movable section and the side edge on whose side the section mobile escapes from the fixed section. This is how it is allowed the minimum distance between the fixed part and the mobile part without harm its exhaust.
- the raceway is therefore practically continuous and the carriage wheels pass well from one rail to another.
- the free end 5b, 6b of at least one mobile section is supported substantially over its entire trajectory by a suspension element 25 connecting said free end 5b, 6b to at least one support point 26 which, located above the plane defined by the trajectory of said mobile section considered, is substantially on the axis 24 of the articulation means 9, 10 of the movable section.
- the element of suspension is of the variable length type depending on the trajectory of the end of the mobile section and its variation is controlled according to the position of the movable section the along the trajectory.
- it is an elastic element of stiffness predetermined.
- the element of suspension 25 is of fixed length like a tie rod.
- this tie can be deformed to circumvent part of the structure.
- At least one of the ends of the suspension element is associated with one of the parts that are the fulcrum and the movable section by a means 27.
- This means of articulation of the suspension element can be of the type with several degrees of freedom.
- one of the axes of this articulation means connecting the fulcrum 26 and the suspension element 25 is collinear with the axis 24 of the articulation means of the section mobile associating it with the fixed part of the structure which supports it.
- the articulation means 27 of the suspension element 25 and the articulation means 9, 10 of the movable section are located on either side of the portion of structure supporting said mobile section, this with respect to a plane substantially horizontal.
- the referral device generally includes two mobile sections, each of which is connected by a joint 9,10 to one of the fixed rails such as the secondary rails.
- These mobile sections are shaped so that the free ends alternately occupy the position of passage thus connecting one or the other of the secondary rails with the main rail.
- the mobile sections are provided a means 19 for synchronized control of their movement.
- the synchronized control means comprises a link 19 which connects at least indirectly the ends of the movable sections.
- the assembly which are the two sections mobile and the control means is designed so that one mobile sections preferably occupies one of the singular positions.
- one of them is heavier or the whole includes a return member (not shown).
- the most usual position of the switch is the one where in particular the mobile section which is then curve is lifted and the rail support tube which supports this curved rail is not just vertical to the curved rail but is a bit offbeat.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chain Conveyers (AREA)
- Intermediate Stations On Conveyors (AREA)
Abstract
Description
L'invention se rapporte à un dispositif d'aiguillage pour convoyeurs suspendus.The invention relates to a switching device for hanging conveyors.
Notamment dans les installations de confection de vêtements, pour transférer les vêtements d'un poste de travail à un autre, on utilise des convoyeurs formant une pluralité de boucles, chacune étant généralement reliée à une voie de transport principale, notamment par des dispositifs d'aiguillage.Particularly in the manufacturing facilities of clothes, to transfer clothes from a work station to another, conveyors are used forming a plurality of loops, each of which is generally connected to a main transport, in particular by devices referral.
Classiquement, ces convoyeurs suspendus comprennent des rails qui sont portés par une structure et, par exemple, sont reliés à un élément porteur notamment à l'aide de suspentes rigides.Conventionally, these hanging conveyors include rails which are carried by a structure and, for example, are connected to a load-bearing element, in particular using hangers rigid.
Classiquement, un dispositif d'aiguillage (DE-A-2426550, US-A-4.016.818) comprend deux tronçons de rail dits mobiles, destinés à relier entre elles, mécaniquement, ou à interrompre la liaison entre elles des extrémités de rails fixes par exemple un rail principal et deux rails secondaires, lequel tronçon mobile a :
- d'une part, l'une de ses extrémités qui est associée à l'un des rails fixes par une articulation et,
- d'autre part, son autre extrémité, dite libre, qui peut prendre deux positions singulières, l'une dite de passage lorsque cette extrémité libre est en vis à vis de la face extrême d'un autre rail fixe et assure ainsi la continuité entre ces deux rails fixes et l'autre dite d'attente lorsque cette extrémité libre se trouve écartée de la face extrême d'un autre rail fixe.
- on the one hand, one of its ends which is associated with one of the fixed rails by an articulation and,
- on the other hand, its other end, called free, which can take two singular positions, one called passage when this free end is opposite the end face of another fixed rail and thus ensures continuity between these two fixed rails and the other called waiting when this free end is spaced from the end face of another fixed rail.
Classiquement, l'articulation est d'un type à un degré de liberté de sorte que le tronçon mobile n'est réellement maintenu que par la dite articulation et la trajectoire de son extrémité libre est définie exclusivement par la position de l'axe d'articulation.Classically, the articulation is of a type with a degree of freedom so that the moving section is actually maintained only by said articulation and the trajectory of its free end is defined exclusively by the position of the axis of articulation.
La face avant du tronçon mobile est nécessairement suffisamment écartée de la face extrême du rail fixe considéré pour permettre l'échappement de l'extrémité libre du tronçon mobile depuis sa position dite de passage vers sa position d'attente mais, néanmoins suffisamment proche pour ne pas nuire au passage sans à-coup des chariots d'un rail à un autre.The front face of the mobile section is necessarily sufficiently spaced from the end face of the fixed rail considered to allow the free end of the section to escape movable from its so-called passage position to its position waiting but nevertheless close enough not to interfere with smooth movement of carts from one rail to another other.
Quelle que soit, en l'absence de charge, l'importance de ce jeu, cette face avant du tronçon mobile n'est pas en appui sur l'extrémité du rail fixe mais lorsqu'une charge circule sur ce tronçon, elle inflige, à ce tronçon, une flexion variable avec la charge et, à l'axe d'articulation, une sollicitation qui pourrait provoquer, sinon un cisaillement, au moins une usure rapide de cette articulation par frottement et/ou une déformation qui nuirait au bon fonctionnement du tronçon mobile.Whatever, in the absence of charge, the importance of this play, this front face of the movable section is not in abutment on the end of the fixed rail but when a load circulates on this section, it inflicts, on this section, a bending variable with the load and, at the axis of articulation, a stress which could cause, if not shear, at least rapid wear of this articulation by friction and / or a deformation that would affect the proper functioning of the mobile section.
La commande du déplacement du tronçon mobile peut être réalisée à l'aide d'un moyen moteur mais plus généralement celle-ci est faite manuellement par un préposé.The movement of the mobile section can be controlled performed using a motor means but more generally this is done manually by an attendant.
Pour cela, le préposé doit générer une force orthogonale à l'axe d'articulation.For this, the attendant must generate a force orthogonal to the axis of articulation.
Malheureusement, compte-tenu de la position en hauteur de ces convoyeurs et donc du tronçon mobile à déplacer, il n'est pas rare que le geste du préposé développe tant une force orthogonale à cet axe d'articulation qu'une force sensiblement parallèle à cet axe d'articulation.Unfortunately, given the height position of these conveyors and therefore of the mobile section to be moved, it is not not uncommon for the attendant's gesture to develop so much strength orthogonal to this axis of articulation that a force substantially parallel to this axis of articulation.
Ces actions répétées qui sollicitent en flexion le tronçon mobile finissent généralement par accentuer le jeu de l'articulation et conduisent à un défaut de fonctionnement de l'aiguillage. These repeated actions which stress the section in bending mobile generally end up accentuating the game of the joint and lead to a malfunction of the referral.
On connaít un aiguillage US-E-17830 comprenant un seul tronçon mobile dont l'extrémité libre s'appuie constamment sur une pièce en arc de cercle.We know a switch US-E-17830 comprising a single mobile section whose free end is constantly supported by a piece in an arc.
Cette pièce en arc de cercle est portée par une structure qui s'étend au dessus de la trajectoire du tronçon mobile.This circular arc piece is carried by a structure which extends above the path of the movable section.
Une telle structure ne pourrait convenir pour un aiguillage à deux tronçons mobiles.Such a structure would not be suitable for a switch with two mobile sections.
Un des résultats que l'invention vise à obtenir est un dispositif du type cité plus haut qui remédie aux problèmes évoqués plus haut.One of the results that the invention aims to obtain is a device of the type mentioned above which remedies the problems mentioned above.
A cet effet, l'invention se rapporte à un tel dispositif d'aiguillage notamment caractérisé en ce que l'extrémité libre d'au moins un tronçon mobile est soutenue sensiblement sur la totalité de sa trajectoire par un élément de suspension reliant ladite extrémité libre à au moins un point d'appui qui, situé au dessus du plan défini par la trajectoire dudit tronçon mobile considéré, est sensiblement sur l'axe du moyen d'articulation du tronçon mobile de manière à définir un triangle.To this end, the invention relates to such a device switch particularly characterized in that the free end at least one movable section is supported substantially on the its entire trajectory by a suspension element connecting said free end to at least one support point which, located above the plane defined by the trajectory of said mobile section considered, is substantially on the axis of the means of articulation of the mobile section so as to define a triangle.
L'invention sera bien comprise à l'aide de la description ci-après faite à titre d'exemple non limitatif en regard du dessin ci-annexé qui représente schématiquement :
- figure 1 : vue de dessus, une installation de convoyage,
- figure 2 : le dispositif d'aiguillage vu de profil,
- figure 3 : une coupe selon III III de la figure 2.
- Figure 1: top view, a conveying installation,
- FIG. 2: the switching device seen in profile,
- Figure 3: a section along III III of Figure 2.
Au dessin, on a représenté partiellement une installation
1 de convoyage, par exemple, pour un atelier de confection de
vêtements qui, pour transférer les vêtements d'un poste de
travail à un autre, comprend une pluralité de boucles,
chacune étant généralement reliée à une voie 2 dite
principale de transport par l'intermédiaire de dispositifs
d'aiguillage 3.In the drawing, an installation is partially represented
1 conveyor, for example, for a workshop for making
clothes which to transfer the clothes from a post to
work to another, includes a plurality of loops,
each generally connected to a so-called channel 2
main transport via
Classiquement, ces rails sont portés par une structure 4
et, par exemple, sont reliés à un élément porteur notamment à
l'aide de suspentes 20.Conventionally, these rails are carried by a
Le dispositif d'aiguillage comprend deux tronçons 5, 6 de rail, dits mobiles, destinés à relier entre elles, mécaniquement, les extrémités d'au moins deux rails 2, 7, 8 fixes, telles les extrémités d'un rail principal 2 et de deux rails secondaires 7, 8, lequel tronçon mobile 5, 6 a :
- d'une part, l'une 5a, 6a de ses
extrémités 5a, 5b, 6a, 6b qui est associée à l'un des rails fixes par unearticulation 9, 10 et, - d'autre part, son autre extrémité 5b, 6b, dite libre, qui peut prendre deux positions singulières, l'une dite de passage lorsque cette extrémité libre est en vis à vis de la face extrême d'un rail fixe pour assurer une continuité entre deux rails fixes et l'autre dite d'attente lorsque cette extrémité libre se trouve écartée de la face extrême précitée.
- on the one hand, one 5a, 6a of its
ends 5a, 5b, 6a, 6b which is associated with one of the fixed rails by anarticulation 9, 10 and, - on the other hand, its other end 5b, 6b, called free, which can take two singular positions, one called passage when this free end is opposite the end face of a fixed rail to ensure continuity between two fixed rails and the other called waiting when this free end is spaced from the aforementioned end face.
Le tronçon mobile peut être rectiligne ou courbe.The mobile section can be straight or curved.
L'articulation 9, 10 est d'un type à un degré de liberté
de sorte que le tronçon mobile n'est réellement maintenu que
par la dite articulation et sa trajectoire est définie
exclusivement par la position de l'axe d'articulation.The
Le rail a, de préférence, une section en Vé inversé et ce sont les deux branches 12, 13 du Vé qui servent de pistes de roulement pour des organes de roulement que présentent des chariots (non représentés) circulant sur les rails suspendus.The rail preferably has an inverted V section and this are the two branches 12, 13 of the Vé which serve as tracks of bearing for rolling elements which have trolleys (not shown) running on the suspended rails.
Pour permettre le libre passage des chariots suspendus, les suspentes sont fixées sur la pointe du Vé, par exemple à l'aide d'un cordon de soudure.To allow the free passage of hanging trolleys, the lines are attached to the tip of the Vé, for example at using a weld bead.
La face avant du tronçon mobile est nécessairement écartée de la face extrême du rail fixe considéré pour permettre l'échappement de l'extrémité libre du tronçon mobile depuis sa position dite de passage vers sa position d'attente même si cet écart reste faible afin de ne pas nuire au passage sans à-coup des chariots (non représentés) d'un rail à l'autre.The front face of the mobile section is necessarily separated of the end face of the fixed rail considered to allow the exhaust of the free end of the movable section from its so-called transition position to its waiting position even if this gap remains small so as not to hinder the smooth passage carriages (not shown) from one rail to another.
Avantageusement, au lieu que la face extrême 21 du tronçon
mobile soit orthogonale à l'axe longitudinal 22 du tronçon
considéré, celle-ci est inclinée sur cet axe depuis la pointe
du Vé vers l'arrière du tronçon mobile à la manière d'une
coupe biaise et la face extrême 23 du rail fixe est également
inclinée sur son axe pour rester évidemment parallèle à la
face extrême 21 du tronçon mobile.Advantageously, instead of the
Avantageusement, on fait en sorte que l'axe de rotation 24
du tronçon mobile 5, 6 jouxte le bord latéral de ce tronçon
mobile sensiblement à l'intersection de la face arrière du
tronçon mobile et du bord latéral du côté duquel le tronçon
mobile échappe du tronçon fixe. C'est ainsi qu'est permis
l'écart minimum entre la partie fixe et la partie mobile sans
nuire à son échappement.Advantageously, it is made so that the axis of
Le chemin de roulement est donc pratiquement continu et les roues du chariot passent bien d'un rail à un autre.The raceway is therefore practically continuous and the carriage wheels pass well from one rail to another.
Selon l'invention, l'extrémité libre 5b, 6b d'au moins un
tronçon mobile est soutenue sensiblement sur la totalité de sa
trajectoire par un élément 25 de suspension reliant ladite
extrémité libre 5b, 6b à au moins un point d'appui 26 qui,
situé au dessus du plan défini par la trajectoire dudit
tronçon mobile considéré, est sensiblement sur l'axe 24 du
moyen d'articulation 9, 10 du tronçon mobile.According to the invention, the free end 5b, 6b of at least one
mobile section is supported substantially over its entire
trajectory by a
Dans une forme de réalisation (non représentée), l'élément de suspension est du type à longueur variable suivant la trajectoire de l'extrémité du tronçon mobile et sa variation est commandée en fonction de la position du tronçon mobile le long de la trajectoire.In one embodiment (not shown), the element of suspension is of the variable length type depending on the trajectory of the end of the mobile section and its variation is controlled according to the position of the movable section the along the trajectory.
Par exemple, il s'agit d'un élément élastique de raideur prédéterminée.For example, it is an elastic element of stiffness predetermined.
Dans une autre forme de réalisation, l'élément de
suspension 25 est de longueur fixe tel un tirant.In another embodiment, the element of
Eventuellement ce tirant peut être déformé pour contourner une partie de la structure.Possibly this tie can be deformed to circumvent part of the structure.
Selon l'invention, au moins l'une des extrémités de
l'élément de suspension est associée à l'une des pièces que
sont le point d'appui et le tronçon mobile par un moyen
d'articulation 27.According to the invention, at least one of the ends of
the suspension element is associated with one of the parts that
are the fulcrum and the movable section by a
Ce moyen d'articulation de l'élément de suspension peut être du type à plusieurs degrés de liberté.This means of articulation of the suspension element can be of the type with several degrees of freedom.
Par exemple, l'un 28 des axes de ce moyen d'articulation
reliant le point d'appui 26 et l'élément de suspension 25 est
colinéaire à l'axe 24 du moyen d'articulation du tronçon
mobile associant celui-ci à la partie fixe de la structure qui
le supporte.For example, one of the axes of this articulation means
connecting the
Le moyen d'articulation 27 de l'élément de suspension 25
et le moyen d'articulation 9,10 du tronçon mobile sont situés
de part et d'autre de la portion de structure supportant ledit
tronçon mobile, ceci par rapport à un plan sensiblement
horizontal.The articulation means 27 of the
Le dispositif d'aiguillage comprend généralement deux tronçons mobiles, chacun d'eux étant relié par une articulation 9,10 à un des rails fixes tels les rails secondaires.The referral device generally includes two mobile sections, each of which is connected by a joint 9,10 to one of the fixed rails such as the secondary rails.
Ces tronçons mobiles sont conformés pour que les extrémités libres occupent alternativement la position de passage reliant ainsi l'un ou l'autre des rails secondaires avec le rail principal.These mobile sections are shaped so that the free ends alternately occupy the position of passage thus connecting one or the other of the secondary rails with the main rail.
Pour leur déplacement, les tronçons mobiles sont pourvus
d'un moyen 19 de commande synchronisé de leur déplacement.For their movement, the mobile sections are provided
a
Selon l'invention, le moyen de commande synchronisé
comprend une biellette 19 qui relie au moins indirectement les
extrémités des tronçons mobiles.According to the invention, the synchronized control means
comprises a
De préférence, l'ensemble que sont les deux tronçons mobiles et le moyen de commande est conçu de manière que l'un des tronçons mobiles occupe préférentiellement une des positions singulières.Preferably, the assembly which are the two sections mobile and the control means is designed so that one mobile sections preferably occupies one of the singular positions.
Par exemple, l'un d'eux est plus lourd ou l'ensemble comprend un organe de rappel (non représenté).For example, one of them is heavier or the whole includes a return member (not shown).
Généralement, la position la plus habituelle de l'aiguillage est celle où notamment le tronçon mobile qui est alors courbe est levé et le tube support de rail qui supporte ce rail courbe n'est pas juste à la verticale du rail courbe mais est un peu décalé.Generally, the most usual position of the switch is the one where in particular the mobile section which is then curve is lifted and the rail support tube which supports this curved rail is not just vertical to the curved rail but is a bit offbeat.
Claims (7)
- A switching device for suspended conveyors, comprising two rail sections (5, 6), referred to as movable, intended to mechanically link together the ends of at least two fixed rails (2, 7, 8), such as the ends of a main rail (2) and of two secondary rails (7, 8), which movable section (5, 6) has:this device being characterised in that the free end (5b, 6b) of at least one movable section is supported over substantially its entire path by a suspension element (25) connecting the said free end (5b, 6b) to at least one supporting point (26) which, located above the plane defined by the path of the said movable section under consideration, is substantially on the axis (24) of the articulation means (9, 10) of the movable section so as to define a triangle.on the one hand, one (5a, 6a) of its ends (5a, 5b, 6a, 6b) associated with one of the fixed rails by an articulation (9, 10) and,on the other hand, its other end (5b, 6b), referred to as free, able to assume two specific positions, the one referred to as passage position in which this free end is opposite the end face of a fixed rail so as to ensure continuity between two fixed rails, and the other referred to as stand-by position in which this free end is located at a distance from the above-mentioned end face,
- A device in accordance with Claim 1, characterised in that the suspension element is of fixed length.
- A device in accordance with Claim 1, characterised in that the suspension element is of the type whose length can vary according to the path of the end of the movable section, and its variation is controlled as a function of the position of the movable section along the path.
- A device in accordance with Claim 1 to 3, characterised in that at least one of the ends of the suspension element is associated by an articulation means (27) with one of the parts constituting the supporting point and the movable section.
- A device in accordance with Claim 4, characterised in that the articulation means of the suspension element can be of the type having several degrees of freedom.
- A device in accordance with Claim 4 or 5, characterised in that one (28) of the axes of the articulation means connecting the supporting point (26) and the suspension element (25) is collinear with the axis (24) of the articulation means of the movable section associating the latter with the fixed part of the structure supporting it.
- A device in accordance with Claim 4, characterised in that, in relation to a substantially horizontal plane, the articulation means (27) of the suspension element (25) and the articulation means (9, 10) of the movable section are located on either side of the structure portion supporting the said movable section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9305739A FR2704876B1 (en) | 1993-05-07 | 1993-05-07 | SWITCHING DEVICE FOR SUSPENDED CONVEYORS. |
| FR9305739 | 1993-05-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0623706A1 EP0623706A1 (en) | 1994-11-09 |
| EP0623706B1 true EP0623706B1 (en) | 1998-03-11 |
Family
ID=9447068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94490022A Expired - Lifetime EP0623706B1 (en) | 1993-05-07 | 1994-05-02 | Switch for overhead conveyor system |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0623706B1 (en) |
| AT (1) | ATE163981T1 (en) |
| DE (1) | DE69408893T2 (en) |
| ES (1) | ES2115909T3 (en) |
| FR (1) | FR2704876B1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256325A (en) * | 1988-02-29 | 1993-10-26 | Exxon Chemical Patents Inc. | Polyanhydride modified adducts or reactants and oleaginous compositions containing same |
| US5230817A (en) * | 1988-02-29 | 1993-07-27 | Exxon Chemical Patents Inc. | Polyanhydride modified adducts or reactants and oleaginous compositions containing same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE17830E (en) * | 1930-10-14 | Switch | ||
| US2590070A (en) * | 1948-09-30 | 1952-03-18 | John A Shelby | Monorail carrier switch safety mechanism |
| FR2387319A1 (en) * | 1977-04-15 | 1978-11-10 | Tourtellier Sa Ets | Drawer action points for suspended monorail - has chain of articulating segments pivoting about point of rail junction |
| DE3231773A1 (en) * | 1982-08-26 | 1984-03-01 | Paul Vahle Gmbh & Co Kg, 4618 Kamen | Points for a monorail conveyor |
-
1993
- 1993-05-07 FR FR9305739A patent/FR2704876B1/en not_active Expired - Fee Related
-
1994
- 1994-05-02 DE DE69408893T patent/DE69408893T2/en not_active Expired - Fee Related
- 1994-05-02 ES ES94490022T patent/ES2115909T3/en not_active Expired - Lifetime
- 1994-05-02 EP EP94490022A patent/EP0623706B1/en not_active Expired - Lifetime
- 1994-05-02 AT AT94490022T patent/ATE163981T1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| ATE163981T1 (en) | 1998-03-15 |
| FR2704876A1 (en) | 1994-11-10 |
| DE69408893D1 (en) | 1998-04-16 |
| DE69408893T2 (en) | 1998-10-08 |
| EP0623706A1 (en) | 1994-11-09 |
| FR2704876B1 (en) | 1995-06-23 |
| ES2115909T3 (en) | 1998-07-01 |
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