EP0643009A1 - System zum Einhängen eines Gabelstaplers an mindestens vier Einhängeelementen, Einhängeträger und entsprechender Gabelstapler - Google Patents

System zum Einhängen eines Gabelstaplers an mindestens vier Einhängeelementen, Einhängeträger und entsprechender Gabelstapler Download PDF

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Publication number
EP0643009A1
EP0643009A1 EP94460032A EP94460032A EP0643009A1 EP 0643009 A1 EP0643009 A1 EP 0643009A1 EP 94460032 A EP94460032 A EP 94460032A EP 94460032 A EP94460032 A EP 94460032A EP 0643009 A1 EP0643009 A1 EP 0643009A1
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EP
European Patent Office
Prior art keywords
sleeves
forklift
carriage
latches
carrier vehicle
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.)
Withdrawn
Application number
EP94460032A
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English (en)
French (fr)
Inventor
Philippe M. Jamot
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.)
FDI- SAMBRON SA
Original Assignee
FDI- SAMBRON SA
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 FDI- SAMBRON SA filed Critical FDI- SAMBRON SA
Publication of EP0643009A1 publication Critical patent/EP0643009A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07563—Fork-lift trucks adapted to be carried by transport vehicles

Definitions

  • the field of the invention is that of forklifts, and more specifically the transport of such carts at the rear of carrier vehicles, such as trucks.
  • This trolley is conventionally used for handling operations, and is fixed to the rear of the truck when the latter is moving.
  • the truck is in this case equipped with two longitudinal sleeves in which are housed the forks of the forklift.
  • the forks of the forklift By actuating these forks in the direction of descent, it is then possible to lift the carriage, so that it no longer touches the ground.
  • Such a technique is notably disclosed in British patent documents No. 529,605 and American Patent Nos. 3,799,379.
  • This technique offers greater security than the techniques previously described.
  • it has many drawbacks.
  • the positioning of the carriage on the support surface is never very precise. Indeed, the lateral position of the forks relative to the carriage is variable, and there is nothing to control the centering. This can introduce overhangs, which damage the carriage and / or support, and which can disrupt the driving of the truck.
  • the assembly and disassembly operations of the carriage at the rear of the truck are not easy, especially when the user is alone. Indeed, it must first engage the forks of the carriage in the sleeves provided for this purpose, then lift the carriage by actuating the forks. Then, it must descend from the carriage (operation made not easy because the carriage is raised by several tens of centimeters from its usual height), then manually maneuver the support surface (with the drawbacks already mentioned). Finally, it must go back on the carriage again to control its removal on the support.
  • the invention particularly aims to overcome these various drawbacks of the state of the art.
  • a first objective of the invention is to provide a system for hooking a forklift to the rear of a carrier vehicle which is safe and reliable, even when the hydraulic mechanism of the forklift has failures.
  • an object of the invention is to provide such a system which sufficiently maintains the carriage in the transport position without using hydraulic energy.
  • the invention aims to eliminate any risk of loss of the carriage during the movement of the carrier vehicle.
  • Another objective of the invention is to provide such a system, which ensures precise and systematic positioning of the lift truck, so as in particular to avoid any risk of overhang, of lateral overtaking of the truck with respect to the vehicle. ..
  • the invention also aims to provide such a system greatly limiting the size under the carrier vehicle, thus facilitating its installation and allowing its use with a large number of types of vehicles.
  • An essential objective of the invention is also to provide such a system offering great job security.
  • the invention aims to prevent the operator from having to access under the vehicle and / or under the carriage.
  • Another object of the invention is also to provide such a system which is particularly simple, quick and safe to handle.
  • an objective of the invention is to provide, in a preferred embodiment, such a system which does not require the operator to move the carriage during the hooking and unhooking operations.
  • a system for attaching a forklift to the rear of a carrier vehicle said carrier vehicle comprising first and second sleeves in which each fork of said forklift is capable of coming to engage, said carrier vehicle comprising at least a third and a fourth locking and centering sleeves, and said forklift comprising at least two latches capable of slide to engage respectively in said third and fourth sleeves, so that said forklift is hooked to said carrier vehicle by at least four hooking elements.
  • the forklift is secured to the vehicle by at least four male elements (the two forks and the two locks) which are engaged in fixed complementary female elements of the vehicle.
  • the carriage is not held by a movable external element, such as a support surface.
  • a movable external element such as a support surface.
  • it includes internally all the movable attachment elements, which makes it possible to facilitate and secure this attachment.
  • this new solution ensures perfect lateral centering of the trolley. Indeed, the engagement of the locks is only possible in the precise position provided during the design of the system.
  • the latches once engaged ensure perfect lateral and vertical immobilization.
  • said third and fourth sleeves form an angle with said first and second sleeves between 3 ° and 30 °.
  • said forklift further comprises at least one first substantially vertical guide and locking element
  • said carrier vehicle comprises at least one second complementary guiding and locking element, said first guiding and locking element engaging in said second guide and locking element when said forklift, the forks of which are engaged in said first and second sleeves, is actuated upwards.
  • pairs of guide and locking elements generally two in number, allow the operator to easily position the latches opposite the third and fourth sleeves. In addition, they cooperate in the safety of attachment, by further strengthening the lateral and longitudinal immobilization of the carriage.
  • said first and second guide elements respectively comprise a male cone and a complementary female cone.
  • said latches are moved hydraulically, using the hydraulic energy available on said forklift.
  • This solution is particularly advantageous, because it avoids any manual manipulation and allows the operator to carry out all the operations of hooking or unhooking without leaving the seat of the carriage.
  • said locks are moved manually. They are for example actuated from the rear of the carriage. It is therefore not necessary to bend under the vehicle or under the trolley.
  • the system comprises at least one position sensor delivering at least end of travel information for said latches.
  • the invention also relates to the attachment cradles of a system as described above, intended to be fixed to a carrier vehicle.
  • such a cradle comprises unlockable fixing means, so that it can be detached from said carrier vehicle.
  • the invention also relates to forklifts of such a system, comprising at least two latches capable of coming to engage respectively in said third and fourth sleeves.
  • a truck 10 is equipped according to the invention with a cradle 11 intended to allow the attachment of the forklift 12, for its transport ( Figure 2).
  • This cradle 11 is fixed to the chassis or to the plate 13 of the truck 10, in a fixed or removable manner.
  • the cradle is advantageously of the type described in French patent n ° 90 14865 in the name of the same applicant as the present application.
  • the cradle 11 includes two sleeves 14 (only one being shown) provided to receive the forks 15 of the carriage 12. It also comprises, according to an essential characteristic of the invention, two complementary sleeves 16 provided for each receiving a lock 17 fitted to the carriage 12.
  • the sleeves 16 are slightly inclined downward, looking from the rear towards the front of the truck 10.
  • the sleeves 14 and 16 are not parallel but form an angle for example between 3 ° and 30 °. The carriage 12 cannot therefore be separated from the cradle 11 without the latches 17 being removed.
  • the size of the cradle 11 is very limited. In practice, its length L is of the order of 50 cm, which allows it to be installed on most chassis or truck platforms. It does not include any sliding element capable of increasing this size.
  • Figure 3 shows the cradle 11 in perspective.
  • it is a removable cradle capable of being fixed to a truck by means of two quick coupling members 311 and 312. These two members 311 and 312 are fixed to plates placed projecting from a transverse beam 32.
  • the cradle comprises two longitudinal sleeves 331 and 332 whose rear end is fixed to the transverse beam 32. These longitudinal sleeves 33 fourr and 332 are horizontal, so that they are parallel to the plane of the truck bed. They are intended to receive the forks of the carriage.
  • the cradle further comprises two other sleeves 341 and 342 intended to receive the latches. They are substantially inclined, so that the distance between the sleeves 331 and 332 on the one hand and the sleeves 341 and 342 on the other hand increases appreciably from the rear of the cradle (corresponding to the vertical plane passing through the beam 32) towards the front of the cradle.
  • This cradle can for example be constructed as follows. Two vertical columns 351 and 352 are fixed under the transverse beam 32 by one of their ends. The other two ends are fixed to a lower transverse beam 36. The sleeves 341 and 342 are fixed to one of their ends simultaneously with the lower beam 36 and columns 351 and 352 respectively. The other ends of the sleeves 341 and 342 are connected by a second beam 37, itself connected to the sleeves 331 and 332 by two transverse elements 371 and 372.
  • the cradle comprises two vertical elements 391 and 392 fixed under the beam 22 and carrying two female guide and locking cones 3101 and 3102 whose role is explained below.
  • Figure 4 shows a part of the front of the carriage 12 in perspective.
  • the forks, in the high position, are not shown so as to facilitate the description of the new elements of the invention.
  • This new elements include first of all the locks 411 and 412 which can move in sheaths 42 provided for this purpose, fixed under the carriage. These locks are intended to engage in the sleeves 341 and 342 ( Figure 3).
  • Position sensors 431 and 432 make it possible in particular to detect the correct positioning of the latches, during attachment.
  • substantially vertical male cones 441 and 442 are fixed to the supports 451 and 452 of the front wheels. They are intended to engage in the female cones 3101 and 3102 ( Figure 3).
  • FIGS. 5A to 5C illustrate the principle of the attachment of the carriage 12 to the truck 10 according to the invention.
  • the driver of the carriage 12 engages the forks 15 in the sleeves 14 (arrow 18, FIG. 1). Then, still in a conventional manner, it begins to lift the carriage 12 by commanding a movement of descent of the forks.
  • FIG. 5A presents a first new characteristic of the invention.
  • the lifting operation is not carried out without checking the lateral position of the forks relative to the carriage.
  • the operator precisely controls this position, so that the male cones 51 of the carriage engage in the female cones 52 of the cradle. This ensures the exact positioning of the carriage relative to the truck. Locking is not possible until the male cones 51 are not engaged in the female cones 52.
  • This particular positioning is determined during the design so as in particular to balance the masses of the carriage and to avoid overhangs and overshoots.
  • FIG. 5B illustrates the situation when this engagement male cone / female cone is carried out. It can be seen that in this situation, these male / female cone assemblies 51, 52 perform two other essential functions, in addition to lateral guidance, namely additional locking, allowing even better immobilization of the carriage, and precise vertical positioning putting the latches 53 opposite the sleeves 54.
  • the engagement and disengagement of the latches 53 is done hydraulically, by exploiting the hydraulic energy available on the carriage.
  • the operator can carry out all of the hooking and unhooking operations from his seat, without having to carry out any mechanical operation manually.
  • Position sensors 55 make it possible to detect the complete engagement and disengagement of the latches, respectively. They control the supply of an indicator light which indicates to the operator that the locking or unlocking is complete. This further increases the security of the system, as the locks are not likely to be only partially engaged.
  • the movement of the latches can also be manual.
  • the maneuver is a little more complex, but remains safe. Indeed, the operator does not need to slip under the truck or the cart, the locks being easily accessible. This maneuver is done for example at the rear of the carriage. It then suffices to push or pull the latches 53 toward you.
  • the dropout is of course symmetrical to the hanging.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP94460032A 1993-09-10 1994-09-07 System zum Einhängen eines Gabelstaplers an mindestens vier Einhängeelementen, Einhängeträger und entsprechender Gabelstapler Withdrawn EP0643009A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9311018A FR2709711B1 (fr) 1993-09-10 1993-09-10 Système d'accrochage d'un chariot élévateur à au moins quatre éléments d'accrochage, berceau d'accrochage et chariot élévateur correspondants.
FR9311018 1993-09-10

Publications (1)

Publication Number Publication Date
EP0643009A1 true EP0643009A1 (de) 1995-03-15

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ID=9450916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94460032A Withdrawn EP0643009A1 (de) 1993-09-10 1994-09-07 System zum Einhängen eines Gabelstaplers an mindestens vier Einhängeelementen, Einhängeträger und entsprechender Gabelstapler

Country Status (2)

Country Link
EP (1) EP0643009A1 (de)
FR (1) FR2709711B1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0761589A1 (de) * 1994-03-09 1997-03-12 John Mullervy Hebeeinrichtung für Strassenfahrzeuge
FR2746727A1 (fr) * 1996-03-29 1997-10-03 Transmanut Dispositif support d'un objet tel qu'un chariot elevateur embarque a l'arriere d'un plateau de vehicule
FR2750970A1 (fr) * 1996-07-12 1998-01-16 Fdi Sambron Chariot de manutention comprenant un dispositif de protection du cariste
FR2768714A1 (fr) * 1997-09-19 1999-03-26 Manitou Bf Chariot a mat, apte a etre embarque a l'arriere d'un vehicule porteur
ES2148068A1 (es) * 1998-04-01 2000-10-01 Gene Castello Jaime Carretilla elevadora de palets transportable en la trasera de un camion o semi-remolque.
EP1043267A1 (de) 1999-04-06 2000-10-11 Carrosserie Industrielle et Prototypes, ayant pour sigle CIP, Société à responsabilité limitée Flurförderfahrzeug für ein Transportfahrzeug wie z.B. ein Sattelzug
FR2894948A1 (fr) * 2005-12-16 2007-06-22 Sarl Jouannet Sarl Gerbeur automoteur embarque pour fourgons
FR2935649A1 (fr) * 2008-07-21 2010-03-12 R M A Berceau de liaison entre chassis de vehicule et transpalette

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB529605A (en) * 1939-06-03 1940-11-25 Shelvoke & Drewry Ltd Improvements relating to transporting and elevating trucks
US3799379A (en) * 1973-01-26 1974-03-26 T Grether Fork lift
FR2298454A1 (fr) * 1975-01-21 1976-08-20 Kooi Bv Camion a chariot elevateur porte
EP0072937A1 (de) * 1981-08-14 1983-03-02 Selectiebedrijf Kooi Beheer B.V. Gabelhubwagen mit Wendevorrichtung
US4396341A (en) * 1981-07-14 1983-08-02 Brouwer Turf Equipment Limited Apparatus for mounting a forklift vehicle on a carrier vehicle
FR2669588A1 (fr) * 1990-11-28 1992-05-29 Audureau Omfort Dispositif support de chariot elevateur embarque.
EP0571240A1 (de) * 1992-05-18 1993-11-24 Marrel Träger zur Mitnahme eines Gabelstaplers am Ende einer Laderampe eines Lastkraftwagens, Mitnahmevorrichtung für diesen Träger und Lastkraftwagen mit dieser Vorrichtung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB529605A (en) * 1939-06-03 1940-11-25 Shelvoke & Drewry Ltd Improvements relating to transporting and elevating trucks
US3799379A (en) * 1973-01-26 1974-03-26 T Grether Fork lift
FR2298454A1 (fr) * 1975-01-21 1976-08-20 Kooi Bv Camion a chariot elevateur porte
US4396341A (en) * 1981-07-14 1983-08-02 Brouwer Turf Equipment Limited Apparatus for mounting a forklift vehicle on a carrier vehicle
EP0072937A1 (de) * 1981-08-14 1983-03-02 Selectiebedrijf Kooi Beheer B.V. Gabelhubwagen mit Wendevorrichtung
FR2669588A1 (fr) * 1990-11-28 1992-05-29 Audureau Omfort Dispositif support de chariot elevateur embarque.
EP0571240A1 (de) * 1992-05-18 1993-11-24 Marrel Träger zur Mitnahme eines Gabelstaplers am Ende einer Laderampe eines Lastkraftwagens, Mitnahmevorrichtung für diesen Träger und Lastkraftwagen mit dieser Vorrichtung

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0761589A1 (de) * 1994-03-09 1997-03-12 John Mullervy Hebeeinrichtung für Strassenfahrzeuge
FR2746727A1 (fr) * 1996-03-29 1997-10-03 Transmanut Dispositif support d'un objet tel qu'un chariot elevateur embarque a l'arriere d'un plateau de vehicule
FR2750970A1 (fr) * 1996-07-12 1998-01-16 Fdi Sambron Chariot de manutention comprenant un dispositif de protection du cariste
FR2768714A1 (fr) * 1997-09-19 1999-03-26 Manitou Bf Chariot a mat, apte a etre embarque a l'arriere d'un vehicule porteur
EP0905083A1 (de) * 1997-09-19 1999-03-31 Manitou Bf Wagen mit Hubmast, geeignet zur Montage an das Ende eines Transportfahrzeugs
US6116843A (en) * 1997-09-19 2000-09-12 Manitou Bf Fork lift truck, adapted to be loaded on the rear of a carrying vehicle
ES2148068A1 (es) * 1998-04-01 2000-10-01 Gene Castello Jaime Carretilla elevadora de palets transportable en la trasera de un camion o semi-remolque.
EP1043267A1 (de) 1999-04-06 2000-10-11 Carrosserie Industrielle et Prototypes, ayant pour sigle CIP, Société à responsabilité limitée Flurförderfahrzeug für ein Transportfahrzeug wie z.B. ein Sattelzug
FR2894948A1 (fr) * 2005-12-16 2007-06-22 Sarl Jouannet Sarl Gerbeur automoteur embarque pour fourgons
FR2935649A1 (fr) * 2008-07-21 2010-03-12 R M A Berceau de liaison entre chassis de vehicule et transpalette

Also Published As

Publication number Publication date
FR2709711A1 (fr) 1995-03-17
FR2709711B1 (fr) 1995-11-24

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