FR2657596A1 - DEVICE FOR FASTENING A BUCKET, OR THE LIKE, AT THE END OF THE ARM OF A CHARGER. - Google Patents

DEVICE FOR FASTENING A BUCKET, OR THE LIKE, AT THE END OF THE ARM OF A CHARGER. Download PDF

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Publication number
FR2657596A1
FR2657596A1 FR9000911A FR9000911A FR2657596A1 FR 2657596 A1 FR2657596 A1 FR 2657596A1 FR 9000911 A FR9000911 A FR 9000911A FR 9000911 A FR9000911 A FR 9000911A FR 2657596 A1 FR2657596 A1 FR 2657596A1
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France
Prior art keywords
bucket
shaft
arm
hook
cam
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Granted
Application number
FR9000911A
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French (fr)
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FR2657596B1 (en
Inventor
Morin Marcel
Morin Jacques
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Individual
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Individual
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9393132&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2657596(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to FR9000911A priority Critical patent/FR2657596B1/en
Priority to DK90403313.1T priority patent/DK0438931T3/en
Priority to AT9090403313T priority patent/ATE105353T1/en
Priority to EP90403313A priority patent/EP0438931B1/en
Priority to ES90403313T priority patent/ES2052215T3/en
Priority to DE69008700T priority patent/DE69008700T2/en
Publication of FR2657596A1 publication Critical patent/FR2657596A1/en
Publication of FR2657596B1 publication Critical patent/FR2657596B1/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/006—Pivot joint assemblies
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3622—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with a hook and a locking element acting on a pin

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Replacement Of Web Rolls (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

Device comprising an attachment member (5) and locking cams (9). The attachment member (5) is connected to the boom (1) by the usual rods, is articulated directly on the end of the said boom, forms an L- shape and comprises, at the end of its lower branch (5a), a hook (8) capable of engaging under a beam (16) joining the upper part of the sides of the bucket. The branch (5b) of the attachment member comprises at its upper part a shaft (10) on which is mounted at least one pivoting cam (9) subjected to the action of a spring (12) which tends to cause the said cam to pivot towards the hook (8). The rear part (15c) of the bucket has two flanges (17) connected by a shaft (18), the said flanges forming, below the shaft (18), a cradle (19) in which shaft (10) of the attachment member (5) rests when the hook (8) is engaged with the beam (16), in this position the cam (9) being supported under the said shaft (17).

Description

La présente invention est relative à des perfectionnements aux dispositifsThe present invention relates to improvements to the devices

pour fixer un godet, ou analogue, à l'extrémité du bras d'un chargeur. D'une façon générale, tous les godets, ou analogues, comportent deux arbres permettant, à l'aide d'un jeu de biellettes, de fixer le godet à  for attaching a bucket, or the like, to the end of a loader arm. In a general manner, all the buckets, or the like, comprise two shafts making it possible, by means of a set of links, to fix the bucket to

l'extrémité du bras du chargeur.the end of the loader arm.

Avec ce type de matériel se pose un problème important lorsqu'il s'agit de changer le godet pour le remplacer, par exemple, par un godet présentant d'autres dimensions En effet, dans ce cas, le conducteur de l'engin doit extraire les deux arbres précités, positionner le bras par rapport à un autre godet et fixer ce dernier sur ledit bras Toutes ces manoeuvres sont longues et ne peuvent pas, en général, être exécutées par  With this type of equipment arises a significant problem when it comes to changing the bucket to replace it, for example, by a bucket with other dimensions Indeed, in this case, the driver of the machine must extract the two aforementioned shafts, position the arm relative to another bucket and fix it on said arm All these maneuvers are long and can not, in general, be performed by

une seule personne.a single person.

On a déjà proposé des dispositifs dans lesquels l'extraction des arbres n'était plus nécessaire, le bras s'accrochant automatiquement sur le godet, mais de tels dispositifs ne donnent pas satisfaction car le verrouillage et le  Devices have already been proposed in which extraction of the shafts is no longer necessary, the arm automatically clings to the bucket, but such devices are not satisfactory because the locking and

déverrouillage du godet doivent s'effectuer manuellement.  Unlocking the bucket must be done manually.

La présente invention, qui remédie à ces inconvénients, est remarquable en ce que le verrouillage du godet, à l'extrémité du bras du chargeur, est réalisé automatiquement par un déplacement judicieux dudit bras qui porte un organe d'accrochage comportant des cames de verrouillage.  The present invention, which overcomes these drawbacks, is remarkable in that the locking of the bucket, at the end of the loader arm, is achieved automatically by a judicious movement of said arm which carries a fastening member comprising locking cams. .

La présente invention sera mieux comprise par la description qui va  The present invention will be better understood from the description which will

suivre, faite en se référant aux dessins annexés, à titre d'exemple indicatif seulement, sur lesquels: -la figure 1 est une vue, en perspective, montrant le godet et l'organe d'accrochage permettant la mise en oeuvre du dispositif de l'invention; -les figures 2 à 5 sont des vues de côté montrant l'accrochage d'un godet; -les figures 6 à 8 sont des vues, analogues à celle 2,montrant le décrochage du godet; -la figure 9 est une vue partielle et à plus grande échelle montrant les cames de verrouillage; -la figure 10 est une vue en coupe, effectuée selon la ligne XX, de la  follow, made with reference to the accompanying drawings, by way of indicative example only, in which: FIG 1 is a perspective view, showing the bucket and the attachment member for the implementation of the device of the invention; FIGS. 2 to 5 are side views showing the hooking of a bucket; FIGS. 6 to 8 are views, similar to that 2, showing the stall of the bucket; FIG 9 is a partial view on a larger scale showing the locking cams; FIG 10 is a sectional view, taken along line XX, of the

figure 9.figure 9.

En se reportant aux dessins et selon un mode de réalisation, on voit que 1 est l'extrémité du bras usuel d'un chargeur sur laquelle s'articulent  Referring to the drawings and according to one embodiment, we see that 1 is the end of the usual arm of a loader on which articulate

deux biellettes 2 soumises simultanément à l'action d'un vérin 3 (fig 2).  two rods 2 subjected simultaneously to the action of a cylinder 3 (Figure 2).

Sur les biellettes 2 s'articule une biellette 4, cette dernière pouvant être double. Selon l'invention,on utilise un organe d'accrochage 5 relié au bras 1 directement par l'entremise d'un axe 6 et, indirectement, par l'entremise des biellettes 4 à l'aide d'un axe Dès lors, on comprend qu'en actionnant le  On the rods 2 is articulated a link 4, the latter can be double. According to the invention, a fastening member 5 connected to the arm 1 is used directly via an axis 6 and, indirectly, through the links 4 by means of an axle. understands that by operating the

vérin 3 il est possible de faire pivoter l'organe 5.  cylinder 3 it is possible to rotate the member 5.

L'organe 5 affecte sensiblement, en vue de côté, la forme d'un L et comporte donc deux branches 5 a et 5 b En fait, et comme cela ressort des dessins, l'organe 5 est double, les deux parties étant reliées rigidement l'une à l'autre Pour simplifier l'exposé de l'invention cette distinction ne  The member 5 substantially affects, in side view, the shape of an L and therefore comprises two branches 5a and 5b In fact, and as is apparent from the drawings, the member 5 is double, the two parts being connected rigidly to each other To simplify the disclosure of the invention this distinction does not

sera plus évoquée dans ce qui va suivre.  will be more evoked in what will follow.

La branche 5 a présente à son extrémité un crochet 8 constitué par un évidement semi-circulaire dirigé vers la branche 5 b La branche 5 b présente à son extrémité, au moins, une came 9 susceptible de pivoter autour de l'axe d'un arbre 10, parallèle aux axes 6 et 7, et portée par  The branch 5 has at its end a hook 8 constituted by a semi-circular recess directed towards the branch 5 b The branch 5 b has at its end, at least, a cam 9 pivotable about the axis of a shaft 10, parallel to the axes 6 and 7, and carried by

l'organe 5.the organ 5.

La came 9 est portée par un manchon 11, pivotant sur l'arbre 10, et est soumise à l'action d'un ressort 12, tel que celui représenté sur la figure  The cam 9 is carried by a sleeve 11, pivoting on the shaft 10, and is subjected to the action of a spring 12, such as that shown in FIG.

9, tendant à faire pivoter la came vers le crochet 8.  9, tending to rotate the cam towards the hook 8.

Le pivotement des manchons Il est limité par un doigt 13 de l'arbre  The pivoting of the sleeves It is limited by a finger 13 of the shaft

coopérant avec une rainure 14 dudit manchon.  cooperating with a groove 14 of said sleeve.

Le godet, de la façon usuelle, présente deux flans 15 a réunis par un  The bucket, in the usual way, has two blanks 15a joined by a

fond 15 b et par une partie arrière 15 c.  bottom 15b and a rear portion 15c.

Selon l'invention, les flans du godets sont réunis, à leur partie supérieure, par une poutre 16, formant un arbre, dont l'utilité apparaîtra  According to the invention, the blanks of the buckets are united, at their upper part, by a beam 16, forming a tree, the utility of which will appear

plus loin.further.

La partie arrière 15 c du godet présente deux oreilles 17 réunies par un arbre 18 Chaque oreille 17 présente un berceau 19, constitué par un évidement semi-circulaire dont le rayon est sensiblement égal à celui de  The rear portion 15c of the bucket has two ears 17 joined by a shaft 18 Each ear 17 has a cradle 19, constituted by a semi-circular recess whose radius is substantially equal to that of

l'arbre 10.the tree 10.

Le fonctionnement du dispositif est le suivant: Initialement le godet repose sur le sol dans la position représentée sur la figure 2 et l'organe 5 est disposé de la façon montrée, sur la figure 2,  The operation of the device is as follows: Initially the bucket rests on the ground in the position shown in FIG. 2 and the member 5 is arranged in the manner shown in FIG.

c'est-à-dire que le vérin 3 est rétracté en partie.  that is to say that the cylinder 3 is retracted in part.

On avance alors l'engin de façon à placer les crochets 8 sous la poutre  The machine is then moved so as to place the hooks 8 under the beam

16 puis on soulève le bras 1 (fig 3).  16 and then raises the arm 1 (fig 3).

On étire alors le vérin 3 ce qui a pour effet de faire pivoter l'organe 5 selon la flèche FI Durant ce pivotement, les cames 9 rencontrent l'arbre  The cylinder 3 is then stretched, which has the effect of rotating the member 5 according to the arrow FI. During this pivoting, the cams 9 meet the shaft

18 et pivotent, dans le même sens, en comprimant les ressorts 12 (fig 4).  18 and pivot in the same direction, compressing the springs 12 (Fig 4).

Lorsque l'arbre 10 repose dans les berceaux 19 les ressorts se détendent et les cames pivotent, en sens inverse, pour venir prendre  When the shaft 10 rests in the cradles 19 the springs relax and the cams pivot, in opposite directions, to come take

appui sous l'arbre 10 (fig 5) Le godet est alors verrouillé.  support under the shaft 10 (fig 5) The bucket is then locked.

Pour décrocher le godet il faut faire pivoter les cames 9 en sens inverse A cet effet, chaque came est pourvue d'un fourreau 20 dans lequel on peut introduire l'extrémité d'un levier 21, comme montré sur les figures 6 et 7, le déverrouillage s'effectuant en faisant pivoter,  To unhook the bucket it is necessary to rotate the cams 9 in opposite direction For this purpose, each cam is provided with a sleeve 20 in which can be introduced the end of a lever 21, as shown in Figures 6 and 7, the unlocking being effected by pivoting,

manuellement,les leviers 21 selon la flèche F 1.  manually, the levers 21 according to the arrow F 1.

Naturellement, le déverrouillage s'effectue lorsque le godet est en  Naturally, the unlocking takes place when the bucket is in

position soulevée, dans la position représentée sur la figure 6 par exemple.  raised position, in the position shown in Figure 6 for example.

A ce moment, le godet bascule et occupe, par gravité, la position  At this moment, the bucket tilts and occupies, by gravity, the position

représentée sur la figure 8, position identique à celle de la figure 3.  represented in FIG. 8, position identical to that of FIG.

Il suffit alors, de poser le godet sur le sol et de dégager l'organe  It is enough then to put the bucket on the ground and to release the organ

d'accrochage 5.hanging 5.

Bien entendu, la présente invention ne se limite pas au mode de réalisation décrit et représenté, mais s'étend, au contraire, à toutes  Of course, the present invention is not limited to the embodiment described and shown, but extends, on the contrary, to all

variantes de formes et dimensions.variants of shapes and dimensions.

C'est ainsi entre autres, que des moyens sont prévus pour faciliter le positionnement du bras par rapport au godet A cet effet, des rampes 22 sont prévues sur les crochets 8 et peuvent coopérer avec des rampes 23  Thus, among other things, means are provided to facilitate the positioning of the arm relative to the bucket. For this purpose, ramps 22 are provided on the hooks 8 and can cooperate with ramps 23.

prévues sur la poutre 16.provided on the beam 16.

C'est ainsi encore, que la partie arrière 15 c peut présenter des  Thus again, the rear portion 15c may have

ouvertures 24 de passage des crochets 8.  openings 24 for the passage of the hooks 8.

Claims (4)

Revendicationsclaims 1-Dispositif pour fixer un godet, ou analogue, à l'extrémité d'un bras d'un chargeur, caractérisé en ce que le verrouillage du godet, à l'extrémité du bras ( 1) du chargeur, est réalisé automatiquement par un déplacement judicieux dudit bras qui porte un organe d'accrochage ( 5) comportant des  1-Device for attaching a bucket, or the like, to the end of an arm of a loader, characterized in that the bucket is locked at the end of the loader arm (1) automatically judicious movement of said arm which carries a fastening member (5) comprising cames de verrouillage ( 9).locking cams (9). 1 i O 2-Dispositif selon la revendication 1, caractérisé en ce que l'organe d'accrochage ( 5) est relié au bras ( 1), par les biellettes usuelles, et  1 i O 2-Device according to claim 1, characterized in that the fastening member (5) is connected to the arm (1) by the usual rods, and s'articule directement sur l'extrémité dudit bras.  articulates directly on the end of said arm. 3-Dispositif selon la revendication 2, caractérisé en ce que l'organe d'accrochage ( 5) affecte la forme d'un L et comporte, l'extrémité de sa branche inférieure ( 5 a), un crochet ( 8) susceptible de venir prendre appui  3-Device according to claim 2, characterized in that the fastening member (5) has the shape of an L and comprises, the end of its lower branch (5 a), a hook (8) capable of come and take support sous une poutre ( 16) réunissant la partie supérieure des flans du godet.  under a beam (16) joining the upper part of the blanks of the bucket. 4-Dispositif selon la revendication 3, caractérisé en ce que la branche ( 5 b) de l'organe d'accrochage comporte, à sa partie supérieure, un arbre ( 10) sur lequel est montée, au moins, une came pivotante ( 9) soumise à l'action d'un ressort ( 12) qui tend à faire pivoter ladite came vers le  4-Device according to claim 3, characterized in that the branch (5b) of the fastening member comprises, at its upper part, a shaft (10) on which is mounted, at least, a pivoting cam (9 ) subjected to the action of a spring (12) which tends to rotate said cam towards the crochet ( 8).hook (8). 5-Dispositif selon la revendication 4, caractérisé en ce que la partie arrière ( 15 c) du godet présente deux oreilles ( 17), réunies par un arbre ( 18), lesdites oreilles formant, en dessous de l'arbre ( 18), un berceau ( 19) dans lequel peut venir reposer l'arbre ( 10) de l'organe d'accrochage ( 5) lorsque le crochet ( 8) est en prise avec la poutre ( 16), dans cette position,  5-Device according to claim 4, characterized in that the rear portion (15 c) of the bucket has two ears (17), joined by a shaft (18), said ears forming, below the shaft (18), a cradle (19) in which the shaft (10) of the hooking member (5) can rest when the hook (8) is engaged with the beam (16), in this position, les cames ( 9) venant prendre appui sous ledit arbre ( 18).  the cams (9) coming to bear under said shaft (18).
FR9000911A 1990-01-26 1990-01-26 DEVICE FOR FIXING A BUCKET, OR THE LIKE, AT THE END OF THE ARM OF A LOADER. Expired - Lifetime FR2657596B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR9000911A FR2657596B1 (en) 1990-01-26 1990-01-26 DEVICE FOR FIXING A BUCKET, OR THE LIKE, AT THE END OF THE ARM OF A LOADER.
ES90403313T ES2052215T3 (en) 1990-01-26 1990-11-23 DEVICE FOR ATTACHING A BUCKET, OR ANOTHER ANALOGUE, TO THE END OF A LOADER'S ARM.
AT9090403313T ATE105353T1 (en) 1990-01-26 1990-11-23 DEVICE FOR CONNECTING A SHOVEL OR LIKE TO THE BOOM END OF A LOADER.
EP90403313A EP0438931B1 (en) 1990-01-26 1990-11-23 Device for connecting a bucket, or the like, to the boom end of a loader
DK90403313.1T DK0438931T3 (en) 1990-01-26 1990-11-23 Device for attaching a bucket to the end of the arm of a loading device
DE69008700T DE69008700T2 (en) 1990-01-26 1990-11-23 Device for connecting a bucket or the like to the boom end of a loader.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9000911A FR2657596B1 (en) 1990-01-26 1990-01-26 DEVICE FOR FIXING A BUCKET, OR THE LIKE, AT THE END OF THE ARM OF A LOADER.

Publications (2)

Publication Number Publication Date
FR2657596A1 true FR2657596A1 (en) 1991-08-02
FR2657596B1 FR2657596B1 (en) 1992-04-24

Family

ID=9393132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9000911A Expired - Lifetime FR2657596B1 (en) 1990-01-26 1990-01-26 DEVICE FOR FIXING A BUCKET, OR THE LIKE, AT THE END OF THE ARM OF A LOADER.

Country Status (6)

Country Link
EP (1) EP0438931B1 (en)
AT (1) ATE105353T1 (en)
DE (1) DE69008700T2 (en)
DK (1) DK0438931T3 (en)
ES (1) ES2052215T3 (en)
FR (1) FR2657596B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2186947A1 (en) * 2008-11-14 2010-05-19 SMTPO Societe de Distribution de Materiel De Travaux Publics d'Oucques Bucket for construction machine
FR2962458A1 (en) * 2010-07-12 2012-01-13 Jacques Pichard Two-in-one retro cup for excavation or displacement of materials at building site, has front and rear parts articulated by hinges, where opening and closing of cup are carried out without source using existing functions of earthmover
CN108463595A (en) * 2016-01-11 2018-08-28 卡特彼勒公司 For the modified upper hinge design of scraper bowl

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FR2708679B1 (en) * 1993-08-06 1995-09-01 Pel Job Groupe Device for automatic tool gripping for earth-moving machinery or the like.
FR2725223B1 (en) * 1994-09-29 1996-10-31 Morin Freres IMPROVEMENTS ON DEVICES FOR ATTACHING A TOOL AT THE END OF THE ARM OF A HYDRAULIC SHOVEL OR THE LIKE
FR2725224B1 (en) * 1994-09-29 1997-04-18 Morin Freres IMPROVEMENTS ON DEVICES FOR ATTACHING A TOOL AT THE END OF THE ARM OF A HYDRAULIC SHOVEL OR THE LIKE
FR2734872B1 (en) * 1995-05-31 1997-07-04 Morin Freres DEVICE FOR PROTECTING A SPRING DRIVING A ROTATING MEMBER
US5984618A (en) * 1997-06-30 1999-11-16 Caterpillar Inc. Box boom loader mechanism
US6227792B1 (en) 1997-06-30 2001-05-08 Caterpillar S.A.R.L. Vertical engagement hydraulic tool coupler
US6860706B2 (en) 1998-01-30 2005-03-01 Caterpillar Inc. Method of verifying coupling of an implement to a work machine
BE1012100A4 (en) * 1998-03-02 2000-05-02 Monsin Ladm Atel Quick designed for assembly and removal of crane bacs.
FR2785951B1 (en) 1998-11-12 2001-01-26 Alain Husson QUICK COUPLER FOR ATTACHING A TOOL AT THE END OF THE ARM OF A LOADER OR THE LIKE
FR2785952B1 (en) * 1998-11-12 2001-04-06 Alain Husson QUICK COUPLER FOR ATTACHING A TOOL AT THE END OF THE ARM OF A LOADER OR THE LIKE
FR2809779B1 (en) * 2000-05-31 2002-07-19 Alain Husson SAFETY DEVICE FOR QUICK COUPLER FOR ATTACHING A TOOL AT THE END OF THE ARM OF A LOADER OR THE LIKE
FR2854644B1 (en) * 2003-05-09 2006-05-12 Morin DEVICE FOR RAPID ATTACHMENT OF EXCAVATION MACHINE TOOL
FR2854910B1 (en) * 2003-05-12 2006-05-12 Morin DEVICE FOR MODIFYING THE KINEMATIC OF A HYDRAULIC SHOVEL TOOL
FR2900168B1 (en) * 2006-04-21 2010-04-23 Morin COUPLER FOR MIXED UNLOCKING WORK EQUIPMENT
SE0801169L (en) * 2008-05-20 2009-11-21 Stig Sandberg Arrangements for gear and attachment
ITPD20090042A1 (en) 2009-03-10 2010-09-11 Meccanica Breganzese S P A In Brev E Mb S P A QUICK ATTACHMENT DEVICE BETWEEN THE ARM OF AN ARM OPERATING MACHINE, IN PARTICULAR THE ARM OF AN EXCAVATOR, AND AN EQUIPMENT TO IT REALLY ASSOCIATED, IN PARTICULAR A BUCKET AND SIMILAR.
FR2944533B1 (en) 2009-04-17 2011-04-22 Morin CONNECTING DEVICE, QUICK ATTACH COUPLER, AND CONNECTING ASSEMBLY.
FR2944534B1 (en) 2009-04-20 2016-09-23 Morin BLOCK MODULE FOR A FAST ATTACHING ASSEMBLY OF A TOOL ON A PUBLIC WORKS MACHINE.
FR3017139B1 (en) 2014-02-04 2016-09-16 Ateliers De Constructions Du Beaujolais LOCKING DEVICE FOR THE CONNECTION BETWEEN TOOL AND ARM OF A PUBLIC WORKS MACHINE
DE102017130437A1 (en) * 2017-12-19 2019-06-19 Oilquick Deutschland Gmbh Quick coupler, adapter and quick-change system

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WO1988001322A1 (en) * 1986-08-18 1988-02-25 Paul Owen Jones Improved hitch
DE3832266A1 (en) * 1987-09-25 1989-04-06 Franz Winkelbauer CLUTCH DEVICE
US4836741A (en) * 1986-08-12 1989-06-06 Consolidated Technologies, Corp. Backhoe hitch apparatus

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FR2436743A1 (en) * 1978-09-25 1980-04-18 Laan Roelof Tool coupling mechanism to excavator boom - has intermediate piece between boom and control spindles coupled to tool adaptor
US4836741A (en) * 1986-08-12 1989-06-06 Consolidated Technologies, Corp. Backhoe hitch apparatus
WO1988001322A1 (en) * 1986-08-18 1988-02-25 Paul Owen Jones Improved hitch
DE3832266A1 (en) * 1987-09-25 1989-04-06 Franz Winkelbauer CLUTCH DEVICE

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2186947A1 (en) * 2008-11-14 2010-05-19 SMTPO Societe de Distribution de Materiel De Travaux Publics d'Oucques Bucket for construction machine
FR2938560A1 (en) * 2008-11-14 2010-05-21 Smtpo Soc De Distrib De Materi CONNECTING DEVICE FOR A BUCKET FOR EXCAVATION MACHINE
FR2962458A1 (en) * 2010-07-12 2012-01-13 Jacques Pichard Two-in-one retro cup for excavation or displacement of materials at building site, has front and rear parts articulated by hinges, where opening and closing of cup are carried out without source using existing functions of earthmover
CN108463595A (en) * 2016-01-11 2018-08-28 卡特彼勒公司 For the modified upper hinge design of scraper bowl
CN108463595B (en) * 2016-01-11 2021-06-15 卡特彼勒公司 Improved upper hinge design for bucket

Also Published As

Publication number Publication date
EP0438931A1 (en) 1991-07-31
ES2052215T3 (en) 1994-07-01
DE69008700T2 (en) 1994-10-13
ATE105353T1 (en) 1994-05-15
EP0438931B1 (en) 1994-05-04
FR2657596B1 (en) 1992-04-24
DE69008700D1 (en) 1994-06-09
DK0438931T3 (en) 1994-09-05

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