EP0542120A1 - Dispositif de verrouillage pour outil - Google Patents

Dispositif de verrouillage pour outil Download PDF

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Publication number
EP0542120A1
EP0542120A1 EP92118915A EP92118915A EP0542120A1 EP 0542120 A1 EP0542120 A1 EP 0542120A1 EP 92118915 A EP92118915 A EP 92118915A EP 92118915 A EP92118915 A EP 92118915A EP 0542120 A1 EP0542120 A1 EP 0542120A1
Authority
EP
European Patent Office
Prior art keywords
locking
coupling pieces
catch
accessory
pins
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP92118915A
Other languages
German (de)
English (en)
Other versions
EP0542120B1 (fr
Inventor
Edward Ted Kaczmarczyk
Roger Albert Noyes
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.)
Deere and Co
Original Assignee
Deere and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deere and Co filed Critical Deere and Co
Publication of EP0542120A1 publication Critical patent/EP0542120A1/fr
Application granted granted Critical
Publication of EP0542120B1 publication Critical patent/EP0542120B1/fr
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
    • 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
    • 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
    • E02F3/3645—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with auto-engagement means for automatic snap-on of the tool coupler part
    • 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
    • E02F3/3672—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat where disengagement is effected by a mechanical lever or handle

Definitions

  • the invention relates to a locking device for an accessory and an accessory carrier, which has two vertically pivotably mounted at its lower end in a boom and upwardly directed accessory holder, which is connected in its upper region to the fastening parts provided on the accessory part so as to be vertically pivotable about a horizontal pivot axis are, wherein the fastening parts or the accessory holder have open-ended catch recesses for receiving coupling pieces provided on the accessory holder or on the fastening parts, which can be secured in the catch recesses via prestressed and height-adjustable locking pins in the direction of a locking position.
  • a loading shovel can be locked with a so-called quick coupler or with a loading rocker which has the quick coupler and is vertically pivotably connected to an agricultural tractor.
  • an operator does not have to leave their place on the agricultural tractor, provided that the locking device was previously manually determined in a position that released the catch recesses on the loading shovel.
  • the locking device has loosened from its ascertained position before the loading shovel is connected, the operator must dismount the tractor again and fix the locking device again.
  • the locking device To dismantle the loading shovel, the locking device must be moved by hand to a position in which it releases the catch recesses.
  • each locking pin is rounded or beveled at its end projecting into the catch recess in such a way that the lock pins slide on part of the surface of the coupling pieces when the coupling pieces enter the catch recesses.
  • each coupling piece has an upward sloping surface and each locking pin has a downward sloping surface, which slide onto one another when the coupling pieces enter the catch recesses and lift the associated locking pin over the corresponding coupling piece.
  • each coupling piece can have a section which is essentially angular in cross section, the associated catch recess being complementary to this section.
  • each locking pin above its associated catch recess is provided with a stop pin, which is actuated in the unlocked position when the coupling pieces enter or exit the catch recesses via a release surface in such a way that their detection is released becomes.
  • the release surfaces can be designed as laterally projecting double wedges, the base of which, depending on whether the locking pins on the accessory part or on the accessory part carrier are arranged such that they can be adjusted in height, are firmly connected to the fastening brackets or to the fastening parts.
  • each stop pin can pass through an elongated hole provided in the fastening parts.
  • a tractor 10 which is equipped with a charger 12 in the form of a front loader, at the front end of which an accessory 14, such as a loading shovel, is connected.
  • a loading shovel a loading fork or another working device can also be connected be.
  • the charger 12 has, among other things, a loading rocker 16 or a boom which is articulated on the tractor side to upright masts 18 and is vertically adjustable in a conventional manner via working cylinders 20.
  • the loading rocker consists in detail of a cross-spaced cantilever arms 22 which extend from the masts 18 to the front, approximately in the middle have a knee connection 24, are guided downwards from there and in front lower fastening points 26 for one Accessory carrier ends that have horizontal and transverse mounting holes for this purpose.
  • the accessory carrier is designed for the quick connection of the loading shovel and consists of two upwardly directed fastening carriers 28 which are pivotally connected to the front fastening points 26 of the extension arms 22.
  • each mounting bracket 28 is formed as a rearwardly open channel part and each fastening point 26 on the cantilever arms 22 is received in the lower region between the opposite side walls of each channel part.
  • each inner side wall of each channel part also extends in its lower region a welded to the side wall coupling piece 30 or a pin, both of which are provided with axially aligned holes that are axially aligned with the holes in the attachment points 26 of the cantilever arms 22 .
  • Each coupling piece 30 is further configured in such a way that it has a block which is essentially quadrangular in cross section and which is also bevelled on one side, which will be discussed in more detail below.
  • a cross bar 32 or a transverse tube extends between the mounting brackets 28 and is received with its outer ends in the block-like coupling pieces 30 and secured therein, for example by pins.
  • Retaining pins 33 shown in FIG. 1 are inserted through openings in the outer side walls of the fastening holder 28 and in the front fastening points 26 of the extension arms 22 and end in the coupling pieces 30, where they are secured in a conventional and not shown manner.
  • each cantilever arm 22 and a respective mounting bracket 28 a hydraulically actuatable working cylinder 34 is also connected, the piston rod of which is connected via a pin 36 to an upper location of each mounting bracket 28, so that when the working cylinder 34 is actuated, the accessory carrier can be pivoted about its connection points on the boom arms 22.
  • an upwardly open U-shaped recess 38 is formed, the purpose of which will also be discussed below.
  • the accessory or the loading shovel 14 is provided with a connection device which is matched to the mounting bracket 28 so that the loading shovel can be safely carried by the boom arms 22 when in use.
  • the connecting device consists of two mutually spaced and upward fastening parts 40 which are fixedly connected to the rear wall of the loading shovel 14.
  • Each fastening part 40 in turn consists of an inner and an outer spaced plates 42 and 44 and is open to the rear in order to accommodate a fastening holder 28.
  • a transversely directed pin 46 extends between the two plates 42 and 44.
  • each pin 46 is provided in a lower region of the fastening parts 40 on the inner plate 42, a rearward opening catch recess 48 , each of which serves to receive a coupling piece 30 provided on each fastening holder 28.
  • the catch recesses are complementary to the coupling pieces.
  • the distance between the recesses 38 and the coupling pieces 30 on each fastening holder 28 corresponds to the distance between the pins 46 and the catch recesses 48 on the fastening parts 40, so that the pins 46 are gripped by the recesses 38 when the coupling pieces 30 have entered the catching recesses 48 .
  • each fastening part 40 can be provided with a downwardly opening recess instead of the pin 46, in which case each fastening holder 28 then has an upper end formed by a pin which can engage in the recess and then also a horizontal pivot axis forms.
  • each fastening part 40 is equipped with a locking device 52, which is connected to the inner surface of an inner plate 42 and can be viewed by a person on the tractor, for example in the driver's cab .
  • Each locking device 52 has an essentially upward-pointing locking pin 54, which is accommodated so that it can move back and forth in mutually aligned openings, which in turn are incorporated in an upper, central and lower fastening plate 56, 58 and 60.
  • the individual sheets are welded to the inner surface of a plate, which are each screwed to an inner plate 42.
  • Each locking pin 54 is biased towards a lower working position, which corresponds to the locking position, in which a lower end portion 64 of the locking pin 54 is located below the lower mounting plate 60.
  • the pretensioning is generated by a spiral spring 66 which is attached to a locking pin, one end of which rests against the underside of the upper fastening plate 56 and the other or lower end of which is held by a retaining pin 68 which extends through an opening provided in the locking pin 54 , which is arranged such that the retaining pin is always between the upper and middle mounting plate 56 and 58.
  • each locking pin 54 there is also a noticeable grid point in the drawing in the form of a notch, which, when the locking pin 54 is in its locking position or in its lower working position, lies somewhat below the upper fastening plate 56. Due to the grid point, the locking pin 54 are locked with the upper fastening plate 56, so that the locking pin is then fixed in an upper position which releases the catch recess 49, which can be seen in FIG. 5 and in which the end section 64 is at the height of the lower fastening plate 60. The locking pin 54 is moved into its upper position which releases the catch recess by hand and fixed when the loading shovel 14 is to be removed from the extension arms 22.
  • the bottom end of the end portion 64 is provided with a downward sloping surface 70, or rounded if necessary, which cooperates with a corresponding sloping surface 72 on the coupling pieces 72 so that the locking pin can be raised automatically, so that the coupling pieces have a free entrance into the catch recesses 48 an automatic connection of the loading shovel 14 to the extension arms 22, which will be explained in more detail below.
  • Each locking pin 54 is equipped in its upper region with a stop pin 74 which projects into an elongated hole 76 which can be seen in FIG. 5 and which is provided in an adjacent plate 42. If the locking pins 54 are not in their locked positions, the end of the stop pins 74 protrudes somewhat into the space between two plates 42 and 44.
  • the locking pins in their positions which expose the catch recesses 48 with the upper fastening plates 56 are lockable, and when the loading shovel 14 is removed from the extension arms 22, the locking pins 54 are automatically disengaged as a result of two release surfaces 78 in the form of wedges which are arranged on the inner sides of the fastening brackets 28 in such a way that they abut against the stop pins 74 encounter when the mounting bracket 28 is rotated forward so that the coupling pieces 30 emerge from the associated catch recesses 48.
  • the abutment pins abut when the coupling pieces 30 move under the locking pins 54, the latter sliding on or over the coupling pieces 30.
  • the coupling pieces 30 are behind the locking pins 54, then the latter snap back into their positions securing the catch recesses 48.
  • 8 of the drawing shows a further embodiment of the invention, which essentially corresponds to the above-described embodiment, which is why the same reference numerals - but with a comma - have been used for corresponding components.
  • 8 shows a loading shovel 14 'with a right fastening part 40' on the rear side thereof.
  • a pin 46 ' is provided between the opposite sides of the plates 42' of each fastening part 40 'in its upper region and a coupling piece 30' with an angular cross section in its lower region.
  • An inclined surface 72 ' is provided on the upper side of each coupling piece 30' on the rear side thereof.
  • a release surface 78 'in the form of a double wedge is attached to the inside of one of the opposing plates of each fastening part 40' and projects a predetermined distance in the direction of the opposite plate.
  • an access opening 80 is also machined in each plate carrying the release surface 78 '. The locking pins can be easily gripped through the access openings.
  • An accessory carrier is connected to the front attachment points 26 'of the extension arms. It has two mounting brackets 28 ', each of which consists of two mutually spaced and mutually parallel plates, the upper ends of which are connected to one another via a recess 38' in the form of a saddle. Each saddle serves to grip the pins 46 'attached to the fastening parts 40'.
  • a forwardly opening catch recess 48 ' is provided in a lower front region of the fastening holder 28' and is at a distance from the upper saddle 38 'such that when the saddle is in engagement with the associated pin, the loading shovel 14' also their coupling pieces 30 'can snap into the catch recesses 48'.
  • each Locking device 52 ' is arranged on the two mounting brackets 28' and consists of an upward-looking locking pin 54 which is movable back and forth in mutually aligned openings in upper, central and lower mounting plates 56 ', 58' and 60 'which are spaced apart from one another.
  • Each locking pin 54 ' is biased towards a lower or locking position 48' blocking position, in which, as can be seen from Fig. 8, the lower end of the locking pins 54 'is below the lower mounting plate 60'.
  • the preload is generated by a spiral spring 66 ', which rests on the locking pin 54', rests with its upper end against the underside of the upper fastening plate 56 'and the lower end of which is secured by a retaining pin 68' which is secured by the locking pin 54 ' extends.
  • a notch not shown in the drawing, is provided on each locking pin, is open toward the inner plate of the mounting bracket 28 ', and can be manually engaged with the upper mounting plate 56' to lock the locking pin in an upper position releasing the catch recesses hold in which the end portion 64 'of the locking pins is at the level of the lower mounting plates 60'. In this fixed position of the locking pins 54 ', the loading shovel 14' can be released from the extension arms.
  • Openings 80 are provided for manual adjustment of the locking pins 54 'into their positions which release the catch recesses 48'.
  • Each locking pin 54 ' is further provided on its underside with an inclined surface 70' in the form of a ramp, which cooperates with an inclined surface 72 'on the corresponding coupling pieces 30', so that during the connection process each locking pin 54 'is pushed up by the coupling pieces 30' can be so that the locking pins release the catch recesses and the coupling pieces can enter them.
  • a stop pin 74 ' is immovably inserted in a bore in the locking pins 54' in the upper region thereof and projects in such a way that it can be adjusted by a release surface 78 'each time the fastening bracket 28 'can be moved into or out of their connection position between the side plates of the fastening parts 40' on the loading shovel 14 'and when the locking pins 54' are in their raised positions which release the catch recesses 48 '.
  • FIGS. 2 to 7 The embodiment according to FIGS. 2 to 7 is first discussed and the connection of the loading shovel 14 to the extension arms 22 is described. If the loading shovel 14, as shown in FIG. 2, is parked on the ground, the operator will drive the tractor 10 towards the loading shovel 14 in such a way that the fastening brackets 28 are located directly behind the fastening parts 40 of the loading shovel 14 when the working cylinders 20 are actuated are located. The working cylinders 34 are then extended, with the fastening brackets 28 pivoting forward about the holding pins 33, and the tractor is moved forward until the U-shaped recesses 38 receive the pins 46.
  • the working cylinders 34 are retracted again and at the same time the extension arms 22 are raised by actuating the working cylinders 20, so that the loading shovel 14 hangs on the fastening holders 28.
  • the inclined surfaces 70 on the locking pins 54 meeting the inclined surfaces 72 on the coupling pieces 30, as indicated in FIG. 3.
  • the meeting causes the locking pins 54 to be pushed upwards against the action of the springs 66, then slide on the surface of the coupling pieces 30 until the coupling pieces 30 have entered the catch recesses 48.
  • the driver To dismantle the loading shovel 14, the driver first drives the tractor 10 to a suitable parking space and sets the loading shovel 14 on the ground by actuating the working cylinders 20. The driver then leaves the tractor and pushes the locking pins 54 upwards by hand until he can fix them in the upper fastening plates 56, the locking pins being slightly bent. As a result, the stop pins 74 also protrude somewhat further through their elongated holes 76. The operator then takes a seat on the tractor again and actuates the working cylinders 34 such that the fastening brackets 28 pivot forward about their connection points on the cantilever arms.
  • the loading shovel 14 can also be moved accordingly, the coupling pieces 30 starting to emerge from the catch recesses.
  • the release surfaces 78 abut the stop pins 74, causing the locking pins 54 from the top Loosen the mounting plates 58 and snap them down until they come into contact with the surface of the coupling pieces 30.
  • the locking pins spring back into their lower position and shown in FIG. 6.
  • the engagement of the recesses 38 in the pins 46 is then released and the tractor is further reset so that the loading shovel 14 is completely free of the extension arms 22, as can be seen in FIG. 6.
  • the tractor 10 can then be used for other work, the loading shovel is ready for reconnection and its locking pins 54 are in the lower position locking the catch recess in use.
  • the attachment and removal of the loading shovel 14 ' proceeds exactly as described above.
  • the accessory carrier is moved to the loading shovel 14 'in such a way that the recesses 38' can engage under the pins 46 ', after which the extension arms are pivoted up, the loading shovel 14' pivoting backwards about its upper pivot axis, ie the pins 46, and the coupling pieces 30 'can enter the catch recesses 48'.
  • the working cylinders are actuated in such a way that the coupling pieces 30 'can detach themselves from the catch recesses 48'.
  • the stop pins have 74 'again make appropriate contact with the release surfaces 78', whereby their fixing is automatically released, so that the springs 66 'snap the locking pins 54' back onto the top of the coupling pieces 30 '. If the locking pins finally come completely free of the coupling pieces, the springs push the locking pins back into their lower position, which secures the catch recesses in use.

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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)
  • Agricultural Machines (AREA)
EP92118915A 1991-11-13 1992-11-05 Dispositif de verrouillage pour outil Expired - Lifetime EP0542120B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US791801 1985-10-25
US07/791,801 US5224816A (en) 1991-11-13 1991-11-13 Mounting structure for a loader attachment

Publications (2)

Publication Number Publication Date
EP0542120A1 true EP0542120A1 (fr) 1993-05-19
EP0542120B1 EP0542120B1 (fr) 1995-09-27

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Application Number Title Priority Date Filing Date
EP92118915A Expired - Lifetime EP0542120B1 (fr) 1991-11-13 1992-11-05 Dispositif de verrouillage pour outil

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Country Link
US (1) US5224816A (fr)
EP (1) EP0542120B1 (fr)
CA (1) CA2081429C (fr)
DE (1) DE59203832D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2785952A1 (fr) * 1998-11-12 2000-05-19 Alain Husson Attache rapide pour fixer un outil a l'extremite du bras d'un chargeur ou analogue
FR2785951A1 (fr) * 1998-11-12 2000-05-19 Alain Husson Attache rapide pour fixer un outil a l'extremite du bras d'un chargeur ou analogue
AT411075B (de) * 1997-04-14 2003-09-25 Baumaschinentechnik Ges M B H Schnellwechselvorrichtung für bagger
US6688801B2 (en) * 2000-05-31 2004-02-10 Klac Industrie Quick fastening safety device for fixing a tool to the end of a loader arm or the like
WO2014091267A1 (fr) * 2012-12-10 2014-06-19 Dinktec Système de verrouillage et de blocage à fixer sur des tracteurs

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US5620297A (en) * 1996-02-14 1997-04-15 Mahaney; F. Allen Tractor loader mounting structure
US6227792B1 (en) * 1997-06-30 2001-05-08 Caterpillar S.A.R.L. Vertical engagement hydraulic tool coupler
US5836734A (en) * 1997-10-17 1998-11-17 Deere & Company Latching device with detent
WO1999035894A1 (fr) * 1998-01-16 1999-07-22 Carver Brian R Mecanisme de fixation d'outils et procede correspondant
US6108951A (en) * 1998-07-16 2000-08-29 Caterpillar Inc. Work machine having improved implement coupling arrangement
US6332748B1 (en) 1999-11-09 2001-12-25 Deere & Company Rotating pawl tool latch
US6386821B1 (en) 1999-12-16 2002-05-14 Bush Hog, L.L.C. Mounting system for mid-mount front end loaders
US20020165634A1 (en) * 2000-03-16 2002-11-07 Skszek Timothy W. Fabrication of laminate tooling using closed-loop direct metal deposition
US6725583B2 (en) 2001-10-19 2004-04-27 Deere & Co. Rear-mounted implement mounting system
US6709224B2 (en) * 2002-06-12 2004-03-23 Rockland, Inc. Implement coupling assembly
SE523299C2 (sv) * 2002-07-15 2004-04-06 Stock Of Sweden Ab Anordning för hopkoppling av ett redskap till en redskapsbärare
US6925735B2 (en) 2002-08-30 2005-08-09 Deere & Co. Bumper, skid plate and attachment system for utility vehicle
US6962210B1 (en) * 2002-12-12 2005-11-08 Hagie Manufacturing Co. Agricultural implement connection system
US20050188568A1 (en) * 2004-02-26 2005-09-01 Clapper John W.Jr. Grappling arm assembly with latching means
US7509758B2 (en) * 2004-07-30 2009-03-31 Nth Inc. Reversible hitch structure for loader attachments
US7086821B1 (en) 2005-01-31 2006-08-08 L & R Manufacturing Llc Quick attachment arrangement for end loader
US20070289173A1 (en) * 2006-06-07 2007-12-20 Millonzi International Products Group, Inc. Material handling assembly
CA2587290A1 (fr) * 2007-05-03 2008-11-03 177197 Canada Ltee Chassis adaptateur pour chasse-neige et aileron et methode d'installation
IES20070351A2 (en) * 2007-05-14 2008-04-16 Geith Patents Ltd A coupler for the working arm(s) of an excavator or the like
US7908837B2 (en) * 2008-05-07 2011-03-22 Exmark Mfg. Co., Inc. Grass collector mounting system
FR2946061B1 (fr) * 2009-05-29 2011-06-17 Klac Industrie Dispositif de securite pour attache rapide destinee a fixer un outil a l'extremite du bras d'une pelle hydraulique ou analogue.
US8312947B2 (en) 2010-05-28 2012-11-20 Goulet Denis Power take off coupler and vehicle hitch equipped therewith
CN102199926B (zh) * 2011-04-29 2012-10-31 中国人民解放军总后勤部建筑工程研究所 多功能工程机械属具快换机构
GB201315938D0 (en) 2013-09-06 2013-10-23 1708828 Onatio Ltd Self-locking attachment coupler for tractor/loader
US9603303B2 (en) * 2014-07-24 2017-03-28 Green Industry Innovators, L.L.C. Universal mounting assembly for a utility vehicle and a system incorporating the same
US9903095B2 (en) * 2015-01-30 2018-02-27 Caterpillar Inc. Tool coupler
US9957689B2 (en) 2015-09-28 2018-05-01 Caterpillar Inc. Tilt bucket profile and front structure

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Publication number Priority date Publication date Assignee Title
US4085856A (en) * 1977-01-21 1978-04-25 Westendorf Neal W Quick attach means for end loaders or the like
FR2542049A1 (fr) * 1983-03-04 1984-09-07 Agram Dispositif d'encliquetage verrouillable pour porte-outils de chargeur
US4986722A (en) * 1989-05-15 1991-01-22 Deere & Company Mounting structure for a loader attachment
GB2239445A (en) * 1989-12-22 1991-07-03 Trevor Frederick Frank Hodges Coupling for excavator arm

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT411075B (de) * 1997-04-14 2003-09-25 Baumaschinentechnik Ges M B H Schnellwechselvorrichtung für bagger
FR2785952A1 (fr) * 1998-11-12 2000-05-19 Alain Husson Attache rapide pour fixer un outil a l'extremite du bras d'un chargeur ou analogue
FR2785951A1 (fr) * 1998-11-12 2000-05-19 Alain Husson Attache rapide pour fixer un outil a l'extremite du bras d'un chargeur ou analogue
WO2000029680A1 (fr) * 1998-11-12 2000-05-25 Klac Industrie Attache rapide pour fixer un outil a l'extremite du bras d'un chargeur ou analogue
US6629811B1 (en) 1998-11-12 2003-10-07 Klac Industrie Quick fastener system for fixing a tool at the end of a loading arm
US6688801B2 (en) * 2000-05-31 2004-02-10 Klac Industrie Quick fastening safety device for fixing a tool to the end of a loader arm or the like
WO2014091267A1 (fr) * 2012-12-10 2014-06-19 Dinktec Système de verrouillage et de blocage à fixer sur des tracteurs

Also Published As

Publication number Publication date
EP0542120B1 (fr) 1995-09-27
DE59203832D1 (de) 1995-11-02
CA2081429C (fr) 1996-03-19
CA2081429A1 (fr) 1993-05-14
US5224816A (en) 1993-07-06

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