EP0287433B1 - Retaining mechanism for refuse receptacles - Google Patents

Retaining mechanism for refuse receptacles Download PDF

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Publication number
EP0287433B1
EP0287433B1 EP19880400824 EP88400824A EP0287433B1 EP 0287433 B1 EP0287433 B1 EP 0287433B1 EP 19880400824 EP19880400824 EP 19880400824 EP 88400824 A EP88400824 A EP 88400824A EP 0287433 B1 EP0287433 B1 EP 0287433B1
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EP
European Patent Office
Prior art keywords
suction cup
holding device
lifting mechanism
container
lifting
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
EP19880400824
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German (de)
French (fr)
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EP0287433A1 (en
Inventor
Marcel Colin
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.)
Semat (societe Anonyme Francaise Dite)
Original Assignee
Semat (societe Anonyme Francaise Dite)
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Publication date
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Publication of EP0287433A1 publication Critical patent/EP0287433A1/en
Application granted granted Critical
Publication of EP0287433B1 publication Critical patent/EP0287433B1/en
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F3/00—Vehicles particularly adapted for collecting refuse
    • B65F3/02—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto
    • B65F3/04—Linkages, pivoted arms, or pivoted carriers for raising and subsequently tipping receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F3/00—Vehicles particularly adapted for collecting refuse
    • B65F3/02—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto
    • B65F2003/0223—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto the discharging means comprising elements for holding the receptacle
    • B65F2003/0236—Suction or vacuum heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F3/00—Vehicles particularly adapted for collecting refuse
    • B65F3/02—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto
    • B65F2003/0223—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto the discharging means comprising elements for holding the receptacle
    • B65F2003/024—Means for locking the rim

Description

La présente invention concerne un dispositif de retenue pour les conteneurs à ordures correspondant en préambule de la revendication 1. Un tel dispositif est connu de DE-A-2515929.The present invention relates to a retaining device for the corresponding refuse containers in the preamble of claim 1. Such a device is known from DE-A-2515929.

On sait que la collecte mécanisée des ordures ménagères se développe de plus en plus dans le monde, et qu'elle fait appel à des conteneurs à roulettes mis à la disposition des usagers par les collectivités locales et collectés par des bennes équipées de mécanismes de relevage.We know that the mechanized collection of household waste is developing more and more in the world, and that it uses wheeled containers made available to users by local communities and collected by dumpsters equipped with lifting mechanisms .

Parmi ces mécanismes, le type dit "à préhension frontale" s'est développé plus que d'autres; ils comprennent un peigne sur lequel on accroche un ou deux conteneurs par leur collerette qui est ensuite emprisonnée par des pinces mues par des vérins. Pendant la phase de rotation du conteneur pour son vidage dans la trémie de la benne, il est entraîné par un butoir monté sur les bras du mécanisme de relevage.Among these mechanisms, the so-called "frontal grip" type has developed more than others; they include a comb on which one or two containers are hung by their flange which is then trapped by clamps moved by jacks. During the rotation phase of the container for emptying into the hopper of the bucket, it is driven by a stopper mounted on the arms of the lifting mechanism.

En fin du cycle de vidage, l'inertie de la masse du conteneur et des déchets qu'il contient a tendance à le projeter vers l'avant, ce qui se traduit par le développement de contraintes importantes pouvant conduire à la rupture de la collerette du conteneur.At the end of the emptying cycle, the inertia of the mass of the container and of the waste it contains tends to project it forward, which results in the development of significant stresses which can lead to the rupture of the flange. of the container.

On connait des dispositifs de retenue destinés à pallier cet inconvénient, et ils comprennent généralement une palette mue par des vérins qui vient s'appliquer sur la paroi du conteneur opposée à celle qu'entraîne en rotation le mécanisme de relevage. Toutefois, ces dispositifs connus sont compliqués, coûteux et peu efficaces, en raison notamment de la diversité des volumes et des formes des conteneurs.There are known retaining devices intended to overcome this drawback, and they generally include a pallet driven by jacks which is applied to the wall of the container opposite to that which rotates the lifting mechanism. However, these known devices are complicated, expensive and ineffective, due in particular to the diversity of the volumes and shapes of the containers.

Aussi, le but de la présente invention est-il de proposer un dispositif de retenue du genre spécifié ci-avant qui assure une certaine souplesse de l'ensemble, qui puisse être utilisé quel que soit le type de conteneurs à vider et qui soit moins lourd et moins coûteux que les dispositifs existant actuellement.Also, the object of the present invention is to provide a retaining device of the kind specified above which ensures a certain flexibility of the assembly, which can be used regardless of the type of container to be emptied and which is less heavy and less expensive than the devices currently existing.

Selon l'invention, ces buts et d'autres qui apparaitront par la suite, sont atteints grâce à un dispositif de retenue, tel que défini dans les revendications qui suivent la présente description.According to the invention, these objects and others which will appear subsequently, are achieved by means of a retaining device, as defined in the claims which follow the present description.

On comprend que ce dispositif de retenue à ventouse selon l'invention permet de rendre solidaires l'un de l'autre le conteneur à vider et le mécanisme de relevage en créant simplement une dépression à l'intérieur de la ventouse. Il suffit ensuite de supprimer cette dépression pour libérer le conteneur. En outre, la souplesse des lèvres de la ventouse laisse une faible amplitude au conteneur dans sa phase finale de basculement, pour tenir compte uniquement des jeux des parties en mouvement. De cette façon, la collerette du conteneur n'est pas soumise aux efforts violents que l'on constate lors de l'utilisation des systèmes connus.It will be understood that this suction cup retaining device according to the invention makes it possible to make the container to be emptied and the lifting mechanism integral with one another by simply creating a vacuum inside the suction cup. Then just remove this depression to release the container. In addition, the flexibility of the lips of the suction cup leaves the container with a low amplitude in its final tilting phase, to take account only of the play of the moving parts. In this way, the flange of the container is not subjected to the violent forces that are observed when using known systems.

D'autre part, le dispositif de retenue selon l'invention présente d'autres avantages:

  • 1°) La baie de chargement dans la benne devient libre, ce qui évite aux ordures de s'accrocher dans le mécanisme. En outre, l'augmentation du volume de la benne permet d'y introduire sans difficultés des objets encombrants.
  • 2°) Le poids du dispositif de retenue est nettement inférieur à celui des dispositifs existants, ce qui est très intéressant du fait que, placé à l'avant de la benne, il augmente la charge sur l'essieu arrière d'un véhicule qui est déjà fortement chargé.
On the other hand, the restraint device according to the invention has other advantages:
  • 1 °) The loading bay in the bucket becomes free, which prevents garbage from getting caught in the mechanism. In addition, the increase in the volume of the bucket allows bulky objects to be inserted therein without difficulty.
  • 2) The weight of the retaining device is much lower than that of the existing devices, which is very interesting because, placed at the front of the bucket, it increases the load on the rear axle of a vehicle which is already heavily loaded.

Selon une forme de réalisation avantageuse du dispositif de retenue selon l'invention, la ventouse spécifiée ci-avant est montée élastiquement sur le mécanisme de relevage de la benne, et ce, de préférence, par l'intermédiaire d'un ressort de compression coaxial. Cette disposition permet à l'effort de basculement d'être repris par le butoir du lève-conteneurs, et non par la ventouse.According to an advantageous embodiment of the retaining device according to the invention, the suction cup specified above is elastically mounted on the lifting mechanism of the bucket, and this, preferably, by means of a coaxial compression spring . This provision allows the tilting effort to be taken up by the buffer of the container lifter, and not by the suction cup.

Avantageusement, la ventouse spécifiée ci-avant est montée de manière articulée sur le mécanisme de relevage de la benne, et ce, de préférence, par l'intermédiaire d'un joint à la Cardan. Cette articulation permet à la ventouse de s'adapter aux parois des conteneurs en matière plastique moulée dont l'angle de dépouille varie entre 0 et 4°.Advantageously, the suction cup specified above is mounted in an articulated manner on the mechanism for lifting the bucket, and this, preferably, by means of a Cardan joint. This joint allows the suction cup to adapt to the walls of the molded plastic containers whose clearance angle varies between 0 and 4 °.

De préférence, lorsqu'un butoir est monté à l'extrémité libre du mécanisme de relevage de la benne, les dimensions et la position du dispositif de retenue selon la présente invention sont telles qu'en l'absence de toute dépression dans la ventouse spécifiée ci-avant, il existe un jeu, de quelques millimètres par exemple, entre le butoir du mécanisme de relevage et le conteneur à vider lorsque ce dernier vient d'être accroché sur le peigne du mécanisme de relevage. Dans ce cas, la dépression de la ventouse, et donc son accrochage sur le conteneur à vider, n'est provoquée qu'à quelques centimètres après le début de la phase de manutention ou de relevage.Preferably, when a stopper is mounted at the free end of the bucket lifting mechanism, the dimensions and the position of the retaining device according to the present invention are such that in the absence of any vacuum in the specified suction cup above, there is a play, of a few millimeters for example, between the stopper of the lifting mechanism and the container to be emptied when the latter has just been hung on the comb of the lifting mechanism. In this case, the vacuum of the suction cup, and therefore its attachment to the container to be emptied, is caused only a few centimeters after the start of the handling or lifting phase.

De préférence également, le dispositif de retenue selon l'invention comporte une ventouse sur chaque bras du mécanisme de relevage de la benne.Preferably also, the retaining device according to the invention comprises a suction cup on each arm of the bucket lifting mechanism.

Bien que l'actionnement de ce dispositif de retenue puisse avoir lieu manuellement, il peut aussi être réalisé grâce à des moyens pour créer et supprimer automatiquement la dépression dans la ventouse du dispositif de retenue lorsque le mécanisme de relevage de la benne atteint un point prédéterminé de sa course.Although the actuation of this retaining device can take place manually, it can also be achieved by means of automatically creating and removing the vacuum in the suction cup of the retaining device when the mechanism for lifting the bucket reaches a predetermined point of its course.

La description qui va suivre, et qui ne présente aucun caractère limitatif, permettra de bien comprendre comment la présente invention peut être mise en pratique. Elle doit être lue en regard des dessins annexés, parmi lesquels:

  • La Figure 1 représente une vue de côté, partiellement en coupe, d'un mécanisme de relevage qui est monté sur une benne de ramassage des ordures ménagères, sur lequel est accroché un conteneur à vider, et qui comprend le dispositif de retenue selon la présente invention; et:
  • La figure 2 montre une vue de côté agrandie du système de la figure 1.
The description which follows, and which has no limiting character, will make it possible to understand clearly how the present invention can be put into practice. It should be read against the accompanying drawings, among which:
  • Figure 1 shows a side view, partially in section, of a lifting mechanism which is mounted on a refuse collection bin, on which is hung a container to be emptied, and which comprises the retainer according to the present invention; and:
  • Figure 2 shows an enlarged side view of the system of Figure 1.

Dans ce qui va suivre, on supposera que le conteneur à vider et son mécanisme de relevage sont dans la position représentée sur la figure 1, juste après l'accrochage du conteneur sur le peigne du lève-conteneurs, ce qui donne tout leur sens à des expressions comme "vertical" ou "supérieur".In what follows, it will be assumed that the container to be emptied and its lifting mechanism are in the position shown in FIG. 1, just after hooking the container onto the comb of the container lifter, which gives all their meaning to expressions like "vertical" or "higher".

La figure 1 montre un conteneur à ordures 1 accroché par sa collerette 2 sur le peigne 3 d'un mécanisme de relevage qui est désigné dans son ensemble par le repère 4, qui n'est représenté que de manière schématique, et qui, par basculement de 180° environ autour d'un axe horizontal 5, dans le sens des flèches F, amène le conteneur 1, la tête en bas, au-dessus de la trémie de chargement d'une benne non représentée.Figure 1 shows a garbage container 1 hooked by its flange 2 on the comb 3 of a lifting mechanism which is generally designated by the reference 4, which is only shown schematically, and which, by tilting by about 180 ° around a horizontal axis 5, in the direction of the arrows F, brings the container 1, upside down, above the hopper for loading a bucket not shown.

Au cours de la première phase de ce basculement, et de manière classique, une pince 6 tourne autour de l'axe 5, dans le sens de la flèche F′, sous l'effet d'un vérin hydraulique 7, pour l'amener de sa position ouverte, en traits interrompus sur la figure 1, à sa position fermée en traits pleins dans laquelle elle emprisonne par-dessus la collerette 2. En outre, un butoir 8, tourné vers le conteneur 1, est monté sur l'extrémité inférieure des bras de relevage 9 du mécanisme 4, lesquels sont généralement au nombre de deux.During the first phase of this tilting, and in a conventional manner, a clamp 6 rotates around the axis 5, in the direction of the arrow F ′, under the effect of a hydraulic cylinder 7, to bring it from its open position, in broken lines in FIG. 1, to its closed position in solid lines in which it traps over the flange 2. In addition, a stopper 8, turned towards the container 1, is mounted on the end lower of the lifting arms 9 of the mechanism 4, which are generally two in number.

Selon l'invention, un dispositif de retenue, désigné dans son ensemble par le repère 10, est fixé sur chaque bras de relevage 9 en s'étendant vers le conteneur 1. Comme on le voit mieux sur la figure 2, ce dispositif 10 comprend un ressort de compression 11 qui est fixé au bras de relevage 9 correspondant et dont l'extrémité libre 12 est articulée par un axe horizontal 13 sur un tourillon vertical 14. Ce dernier, à son tour, est articulé par un axe 15 dans une chape 16 dont la semelle porte, du côté du conteneur 1, une ventouse 17 reliée à un système pneumatique non représenté permettant d'y faire le vide et de le supprimer. En d'autres termes, l'extrémité libre 12 du ressort 11 est reliée à la ventouse 17 par un joint à la Cardan constitué par le tourillon 14 et les axes 13 et 15.According to the invention, a retaining device, generally designated by the reference 10, is fixed to each lifting arm 9 extending towards the container 1. As can best be seen in FIG. 2, this device 10 comprises a compression spring 11 which is fixed to the corresponding lifting arm 9 and the free end 12 of which is articulated by a horizontal axis 13 on a vertical journal 14. The latter, in turn, is articulated by an axis 15 in a yoke 16, the sole of which carries, on the side of the container 1, a suction cup 17 connected to a pneumatic system, not shown, making it possible to create a vacuum there and to eliminate it. In other words, the free end 12 of the spring 11 is connected to the suction cup 17 by a cardan joint formed by the pin 14 and the axes 13 and 15.

Le mode de fonctionnement du dispositif qui vient d'être décrit est le suivant: on accroche comme d'habitude le conteneur 1 par sa collerette 2 sur le peigne 3 du mécanisme de relevage 4, et il vient en appui sur la ventouse 17, comme on l'a représenté en traits pleins sur la figure 1, les dimensions et la position du dispositif de retenue 10 étant telles que le conteneur 1 se trouve écarté du butoir 8 d'une distance d égale à quelques millimètres, 2 à 10 par exemple. Lorsque le mécanisme de relevage 4 et son conteneur 1 tournent autour de l'axe 5 dans le sens des flèches F, la ventouse 17 s'écrase progressivement sous le poids du conteneur, et ce dernier finit par accoster le butoir 8, comme on le voit sur la figure 2 et, en traits interrompus, sur la figure 1. On applique alors une dépression à l'intérieur de la ventouse 17 qui s'écrase sur le conteneur 1, une déformation du ressort de compression 11 venant compenser le déplacement de l'articulation 13, 14, 15. Le relèvement du conteneur 1 se poursuit, cependant qu'il est retenu sur le mécanisme de relevage 4, en appui sur le butoir 8, par le dispositif à ventouse selon l'invention, 10.The operating mode of the device which has just been described is as follows: the container 1 is hooked as usual by its flange 2 on the comb 3 of the lifting mechanism 4, and it comes to bear on the suction cup 17, as it has been shown in solid lines in FIG. 1, the dimensions and the position of the retaining device 10 being such that the container 1 is spaced from the stopper 8 by a distance d equal to a few millimeters, 2 to 10 for example . When the lifting mechanism 4 and its container 1 rotate around the axis 5 in the direction of the arrows F, the suction cup 17 progressively collapses under the weight of the container, and the latter ends up approaching the stopper 8, as is can be seen in FIG. 2 and, in broken lines, in FIG. 1. A vacuum is then applied inside the suction cup 17 which crashes on the container 1, a deformation of the compression spring 11 which compensates for the displacement of the articulation 13, 14, 15. The raising of the container 1 continues, however it is retained on the lifting mechanism 4, bearing on the stopper 8, by the suction device according to the invention, 10.

Après le déchargement des ordures dans la trémie de la benne, le conteneur revient à sa position initiale, les opérations qui viennent d'être décrites se déroulant alors en sens inverse.After unloading the garbage into the hopper of the bucket, the container returns to its initial position, the operations which have just been described then taking place in reverse.

La mise sous vide de la ventouse 17 et son retour à la pression atmosphérique peuvent être réalisés au moyen d'une commande manuelle, mais il est aisé d'asservir ces opérations aux déplacements du mécanisme de relevage 4 qui, par exemple, peut venir en prise avec un taquet de déclenchement en un point donné de sa course. Un tel automatisme est à la portée de tout homme de l'art, et il ne sera donc pas décrit ici de manière plus détaillée.The vacuuming of the suction cup 17 and its return to atmospheric pressure can be carried out by means of a manual control, but it is easy to subject these operations to the movements of the lifting mechanism 4 which, for example, can come in taken with a trigger stop at a given point in its course. Such automatism is within the reach of any person skilled in the art, and it will therefore not be described here in more detail.

Sans sortir du cadre de la présente invention, il serait possible d'apporter diverses modifications à la forme de réalisation qui vient d'être décrite. C'est ainsi, par exemple, que le mécanisme de relevage pourrait présenter une configuration différente de celle comprenant des bras de relevage 9, et que plusieurs conteneurs pourraient être accrochés simultanément sur le peigne 3 du mécanisme de relevage 4.Without departing from the scope of the present invention, it would be possible to make various modifications to the embodiment which has just been described. Thus, for example, the lifting mechanism could have a configuration different from that comprising lifting arms 9, and that several containers could be hung simultaneously on the comb 3 of the lifting mechanism 4.

Claims (8)

1. A holding service for trash containers and cooperating with a lifting and swinging mechanism (4) comprising at its upper part a comb (3) to make temporarily connected with one another this mechanism (4) and the containers (1) which are hooked by their collar (2) on the said comb when there are swinging to a position for emptying the trash into the hopper of a trash truck body, characterized by the fact that the holding device (10) comprises at least one suction cup (17) which opens toward the container to be emptied, which is fastened to the front face of the lower part of the said lifting and swinging mechanism (4), and which is connected to means for creating a partial vacuum in the said suction cup when the container (1) is applied to it and to eliminate this partial vacuum.
2. The holding device according to claim 1, wherein the said suction cup (17) is mounted elastically on the lifting mechanism (4).
3. The holding device according to claim 2, wherein the said suction cup (17) is mounted on the lifting mechanism (4) by a coaxial compression spring (11).
4. The holding device according anyone of claims 1 to 3, wherein the said suction cup (17) is mounted in an articulated way to the lifting mechanism (4).
5. The holding device according to claim 4, wherein the said suction cup (17) is mounted on the said lifting mechanism (4) by mean of a universal joint (13, 14, 15, 16).
6. The holding device according anyone of claims 1 to 5, wherein the dimensions and the position of said holding device (10) are such that in the absence of any partial vacuum in the said suction cup (17), there is a space (d) between a bumper (8) mounted on the free lower end of the lifting mechanism (4) and the container (1) to be emptied when the latter is connected to the said lifting mechanism (4).
7. The holding device according anyone of the claims 1 to 6, wherein a suction cup holding device (10) is provided on each arm (9) of a lifting mechanism (4) comprising several arms.
8. The holding device according anyone of the claims 1 to 7, wherein it comprises means to automatically create and eliminate the partial vacuum in the said suction cup (17) when the lifting mechanism (4) reaches a predetermined point of its path.
EP19880400824 1987-04-15 1988-04-06 Retaining mechanism for refuse receptacles Expired - Lifetime EP0287433B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8705389A FR2614010B1 (en) 1987-04-15 1987-04-15 RETAINER FOR GARBAGE CONTAINERS
FR8705389 1987-04-15

Publications (2)

Publication Number Publication Date
EP0287433A1 EP0287433A1 (en) 1988-10-19
EP0287433B1 true EP0287433B1 (en) 1991-06-19

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Application Number Title Priority Date Filing Date
EP19880400824 Expired - Lifetime EP0287433B1 (en) 1987-04-15 1988-04-06 Retaining mechanism for refuse receptacles

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EP (1) EP0287433B1 (en)
DE (1) DE3863309D1 (en)
FR (1) FR2614010B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4091845T (en) * 1989-10-12 1993-02-18
CA2137663C (en) * 1992-06-15 2004-06-22 David J. Browning Refuse bin grabbing apparatus
EP0617689A1 (en) * 1992-10-05 1994-10-05 Wirth, Gallo Messtechnik AG Device for weighing bulk materials, in particular waste
WO1994020392A1 (en) * 1993-03-11 1994-09-15 Formark Pty Ltd Clamp for bin lifter
DE9414479U1 (en) * 1994-09-07 1994-10-27 Faun Umwelttechnik Ag Lifting device for a waste and / or recycling container to be emptied into a disposal vehicle
DE19655095C2 (en) * 1996-01-29 2002-03-07 Faun Umwelttechnik Gmbh & Co Lifting and tipping device with two pivotable stirrups for refuse collecting vehicle
DE102007042347A1 (en) * 2007-09-06 2009-03-12 Environmental Solutions Europe Holding B.V. Apparatus and method for moving a container into vibration and for emptying containers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2146653C3 (en) * 1971-09-17 1980-03-20 Sulo Eisenwerk Streuber & Lohmann Gmbh & Co Kg, 4900 Herford Device for emptying large-volume garbage cans with essentially a square or rectangular plan
DE2515929C2 (en) * 1975-04-11 1985-12-12 Zöller-Kipper GmbH, 6500 Mainz Device for emptying rubbish bins
DE2558466C2 (en) * 1975-12-23 1984-06-07 Walter 5779 Visbeck Arndt Lifting, tipping or tipping device for emptying rubbish bins of different sizes
AT386583B (en) * 1982-03-16 1988-09-12 Zoeller Kipper DEVICE FOR EMPTYING CONTAINERS IN A COLLECTION CONTAINER

Also Published As

Publication number Publication date
DE3863309D1 (en) 1991-07-25
FR2614010A1 (en) 1988-10-21
FR2614010B1 (en) 1992-04-24
EP0287433A1 (en) 1988-10-19

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