EP2490981B1 - Fourche pour engin de manutention - Google Patents
Fourche pour engin de manutention Download PDFInfo
- Publication number
- EP2490981B1 EP2490981B1 EP10776173.6A EP10776173A EP2490981B1 EP 2490981 B1 EP2490981 B1 EP 2490981B1 EP 10776173 A EP10776173 A EP 10776173A EP 2490981 B1 EP2490981 B1 EP 2490981B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- trigger
- fork
- arm
- fork arm
- axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
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
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
-
- 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
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/003—Safety devices, e.g. for limiting or indicating lifting force for fork-lift trucks
Definitions
- the present invention relates to a fork for handling equipment, especially for forklift, and a handling machine provided with such a fork.
- the US 3039635 A describes a fork of a handling machine according to the preamble of claim 1.
- the tilting of the trigger makes it possible to signal the presence of an obstacle opposing the advancement of the fork, and therefore to report a poor vertical positioning of this fork .
- the shape and dimensions of the fork are not limiting. Preferably, however, they correspond to the standards imposed for the handling of pallets, and in particular pallets called "Europe” or “ISO” (120 cm / 80 cm NF EN 445, ISO 8611, NF EN 13698, NF EN 13382).
- the trigger in the passive position, does not protrude radially, relative to the arm axis, beyond the fork arm.
- the trigger is disposed within this envelope.
- the trigger is shaped so that, in the passive position, the general shape of the assembly consisting of the fork arm and the trigger is that of a fork arm of the same type not provided with trigger.
- the trigger In the passive position, the trigger can be substantially horizontal after mounting said fork on a handling machine.
- the trigger is preferably maintained in a passive position in the absence of said thrust, for example by friction and / or electromagnetism and / or by means of a fastener or a bond and / or by bonding and / or by its weight or by a counterweight and / or by an elastic member, for example a spiral spring or a leaf spring.
- the passive position preferably corresponds to a stable equilibrium position.
- the thrust causing the trigger to tilt from the passive position to the active position can generate on the trigger a moment whose lever arm is, in the passive position, greater than 1 mm, preferably greater than 5 mm and / or less than 30 mm, less than 20 mm, less than 15 mm, or even less than 10 mm.
- a thrust greater than 100 N, preferably greater than 50 N, preferably greater than 10 N is sufficient to cause said tilting.
- Tilting from the passive position to the active position may drive the distal end of the trigger above or below the median horizontal plane of the fork leg.
- the active position can be deviated angularly from the passive position, in absolute value, by more than 45 °, more than 60 °, more than 80 °.
- the angular separation between the active position and the passive position may be substantially 90 °, especially when the distal end of the trigger switches below the median horizontal plane of the fork arm.
- An angular spacing ⁇ less than 90 ° can allow the trigger to be unbalanced in the active position when the thrust ceases, especially when the distal end of the trigger flips over the median horizontal plane of the fork arm.
- the trigger can thus tend to fall back, under the effect of its own weight, to the passive position (see for example the figure 5 ).
- the fork comprises stops preventing further rotation of the trigger beyond the passive and active positions. These stops may in particular result from the shape of the fork arm.
- the axis of rotation of the trigger on the fork arm is perpendicular to the axis of the arm, that is to say that normal planes to these axes intersect at right angles. These axes may or may not be coplanar.
- the line passing through the distal end of the trigger and parallel to the axis of arm should not be coplanar to the axis of rotation of the trigger.
- the distal end of the trigger may have, in a vertical sectional plane, a rounded profile and / or comprise a coating anti-friction and / or be provided with at least one roller, preferably mounted for free rotation about a roller axis, preferably parallel to the axis of rotation of the trigger on the fork arm.
- a distal portion of the trigger extending from the distal end of the trigger to the axis of rotation of the trigger, can be distinguished, and a proximal portion of the trigger extending from this axis of rotation to at a proximal end of the trigger.
- the distal portion of the trigger may have a maximum thickness greater than 1 cm, greater than 1.5 cm and / or less than 7 cm, less than 5 cm, less than 4 cm, less than 3 cm and / or maximum width greater than 2 cm, greater than 5 cm, greater than 7 cm and / or less than 15 cm and / or a maximum length greater than 5 cm and / or less than 40 cm, less than 30 cm, less than 20 cm, less at 10 cm.
- the distal end of the trigger may have the same maximum width and / or the same maximum thickness as the fork arm.
- the thickness and / or width of the distal end of the trigger may be substantially constant.
- the cross section of the distal portion of the trigger is substantially identical to that of the fork arm.
- the distal end of the trigger extends substantially in the extension of the fork arm.
- the distal end of the trigger has coplanar upper and lower side faces with the corresponding faces of the fork arm, at least near the axis of rotation of the trigger. .
- the proximal part of the trigger may in particular form a counterweight generating a moment of return to the passive position greater than the moment generated by the weight of the trigger. distal portion of the trigger, tending to bring it to the active position. After activation of the trigger, the return to the passive position is then immediate and does not require any human intervention.
- the number of pieces of the fork is also advantageously very small.
- the trigger can be mounted to free rotation on the fork leg.
- the rotation may also be impeded by an elastic member, for example a spring, tending, like the counterweight mentioned above, to permanently bring the trigger back into the passive position.
- the trigger may be of a material identical to or different from that of the fork arm, for example steel or an anti-spark alloy for use in flammable atmosphere.
- the area of the normal projection of the trigger along the arm axis in the active position is at least twice, at least three times, at least five times, or at least ten times greater than the area of said projection. normal in the passive position.
- An angular difference of about 90 ° between the passive and active positions allows, in one embodiment, to maximize the ratio between these two projection surfaces.
- the trigger thus has a reduced frontal area in the passive position, facilitating the penetration into the entrances of the pallets and has, in the active position, a high frontal area limiting the risk perforation of goods.
- the increase of the forward resistance of the fork in the active position can serve as a signal of a vertical positioning error of the fork.
- the trigger may include a face that, in the active position, defines a front surface at the distal end of the fork arm.
- This face may be in particular a face which, in the passive position, constitutes a lower or upper face of a plate.
- the surface of this face may be greater than 10 cm 2 , greater than 15 cm 2 , greater than 20 cm 2 , or even greater than 30 cm 2 , greater than 40 cm 2 , or even greater than 50 cm 2 .
- Such a configuration advantageously makes it possible to considerably increase the normal projection of the trigger along the axis of the arm when switching to the active position.
- the fork has no specific switch trigger detector, and in particular no electrical detector.
- the fork arm, or even the fork does not comprise any electric.
- the trigger is therefore a mechanically simple, reliable and that can be used in any environment, especially in an explosive environment or for use in flammable atmosphere.
- the fork arm may comprise a specific detector of the tilting of the trigger.
- it may comprise a strain gauge arranged to be compressed during the switching to active position and / or a contactor arranged to change position during said tilting.
- the detector may be electrically connected to a controller capable of interpreting the information provided by said detector and act accordingly, in particular to warn the user of the handling equipment and / or to modify the operation of the handling, for example by stopping the progress.
- the controller may be able to turn on a light and / or to emit an audible signal.
- the fork and / or the carriage comprises a reader adapted to remotely read a marker made readable during said tilting.
- the reader can be, for example, a barcode reader.
- the marker may be a bar code or an RFID code disposed on the underside of the trigger such that when the trigger switches, said marker enters the reading field of said reader.
- the arrangement of the marker on the lower face of the trigger advantageously protects the marker in the passive position.
- the trigger can be mounted directly on the fork leg or via a bracket rigidly attached to the fork leg.
- the invention also relates to a support on which is rotatably mounted a trigger and can be fixed rigidly on an arm of a fork so as to constitute a fork according to the invention.
- the support can in particular be in the form of a sleeve in which a fork arm can be introduced.
- the sleeve has a shape substantially complementary to that of the fork arm on which it is fixed, so as to limit play.
- the sleeve may have the shape of the sleeves conventionally used to attach fork extensions.
- the support may have a bottom, or more generally a stop, for precisely defining the position of the support along the axis of the arm.
- said trigger comprises a body and a roller mounted to rotate freely on said body, said roller defining the distal end of said fork.
- the invention also relates to a handling machine comprising at least one fork according to the invention.
- the handling machine can be chosen from all the handling equipment comprising one or more forks. In particular, it can be chosen from a forklift, front or side, a stacker, a pallet truck, and a machine with telescopic arm.
- the handling equipment can be manual or not, or mixed.
- all the forks of the handling machine are in accordance with the invention.
- the number of forks can be in particular two.
- the invention also relates to a method of handling a load by means of a handling machine according to the invention, the load being provided with at least one input configured so that a fork arm of said handling machine can be introduced, the number of entries being greater than or equal to the number of forks.
- the invention finally relates to a method for detecting a vertical positioning error of a fork arm of a handling machine, in particular of a forklift truck, a method in which a change of position of a trigger is detected. mounted at the free end of said fork arm, rotatable relative to said fork arm and adapted to tilt under the effect of a thrust exerted along the axis of said fork arm towards the rear of the machine of handling.
- distal and proximal ends of a member correspond to the ends farthest and closest to the base of the fork, respectively.
- the figure 1 represents a forklift truck 10 having two forks 12 and 12 'metal mounted on a load carrier 14 can be moved vertically along a mast 16.
- the fork 12, L-shaped, comprises a substantially vertical base 18, fixed on the load carrier 14, and a fork arm 20 substantially horizontal, arm axis B, whose free end, tapered, is provided a trigger 22.
- the trigger 22 is mounted to rotate freely around an axis of rotation R on the fork arm 20. It has a distal portion 24 extending from a distal end 26 to the transverse plane passing through the rotation R, and a proximal portion 28 extending from said transverse plane to a proximal end 30.
- the distal end 26 constitutes, in the passive position, the distal end of the fork arm.
- the distal portion 24 comprises, successively since the distal end 26, a tapered portion 32 facilitating the introduction into the entries of the pallets, an intermediate portion 34, having a cross section identical to that of the fork arm 20, then a portion of reduced width to allow rotation of the trigger 22.
- the tapered portion has, at the distal end 26, a rounded profile favoring the tilting of the trigger in the direction of the needle. a watch in case of thrust F R along the axis of arm B and towards the base 18 of the fork.
- the proximal portion 28 has the shape of a plate that is housed in a flat portion 36 formed at the end of the fork arm 20.
- the maximum thickness, the maximum width and the maximum length of the trigger 22 have been referenced e, 1 and L, respectively
- the upper face 46 of the trigger has a surface greater than 10 cm 2 .
- the trigger 22 is, by default, in the passive position of the figure 2 .
- the fork arm 20 is not opposite the entry E of the pallet P, as shown in FIG. figure 3a .
- the distal end 26 of the trigger 22 comes into contact with the pallet P and, under the effect of the thrust F R exerted by the pallet P in response to the advancement of the carriage, parallel to the axis of arm B, switches in the direction of the clockwise (arrow F2).
- the lever arm b corresponds to the distance between the horizontal plane in which the axis of rotation R extends and the horizontal axis of the thrust F R.
- the initial moment M R exerted by thrust F R is therefore equal to the product of b by F R.
- the trigger 22 tilts as the fork arm 20 continues its advance towards the pallet P. If the user of the carriage 10 is not aware of the tilting of the trigger 22, the rotation is continues to the active position, represented on the figure 3b , in which the rotation of the trigger is stopped by abutment on the fork arm 20.
- the trigger 22 extends substantially vertically and has a front surface, defined by its upper face 46, which allows it to effectively oppose the further progress of the carriage 10. This opposition may result in a displacement of the pallet P or, alternatively, by the impossibility of advancing further forward the carriage 10.
- the user then becomes aware of the positioning error and moves the carriage 10 (arrow F3) as shown in FIG. figure 3c .
- the trigger 22 returns to the passive position (arrow F4) as the carriage 10 moves back.
- the moment exerted by the weight of the proximal portion 28 is greater than that exerted by the distal portion 24, so that the return to the passive position is possible without any external input of energy.
- the rotation is stopped in the passive position by abutment of the proximal portion 28 on the flat part 36.
- the user can immediately change the vertical position of the fork and make a retry.
- a detector 50 for example electrical, may be used to detect any separation of the trigger 22 from the passive position.
- the user warned, for example, by a light or sound signal, can then act before the fork has begun to push on the pallet P.
- Detection by means of a detector 50 also makes it possible to automatically modify the operation of the carriage 10, for example by immediately stopping progress towards the pallet P.
- the detector may have the form of a switch arranged so that the tilting of the trigger causes a change of position of the switch.
- it may comprise a marker 74, for example in the form of a barcode label, an electric photo reflector or an RFID chip, as shown in FIGS. Figures 8 and 11 , this marker cooperating with a reader 78 allowing a remote reading, that is to say without contact with the marker.
- a marker 74 for example in the form of a barcode label, an electric photo reflector or an RFID chip, as shown in FIGS. Figures 8 and 11 , this marker cooperating with a reader 78 allowing a remote reading, that is to say without contact with the marker.
- the marker is not exposed to the outside when the trigger 22 is in the passive position, for example is arranged on the underside of the trigger. In the passive position represented on the figure 9 , this marker is protected.
- the reader 78 may have a reading field, generally conical, the axis of which extends substantially parallel to the fork arm 20. It may in particular be arranged on the load carrier 14 or on the base 18 of the fork.
- the marker is disposed on the trigger so as to enter the read field 76 of the reader 78 when the trigger is tilted from the passive position to the active position. The detection can take place when the active position is reached or in an intermediate position between the passive position and the active position, which advantageously makes it possible to stop the advance of the carriage 10 even before the fork has begun to push on. the pallet P.
- a method for adapting a conventional fork as shown in FIG. figure 6 so that she can receive a trigger.
- the end portion 60 of the fork 20 can be detached, for example by sawing the fork along a transverse plane P c ( figure 6 ).
- a tube 62 can then be fixed, for example by means of a weld 64 on the arm 20.
- the tube 62 is intended to serve as a bearing for the rotation of the trigger ( figure 7 ).
- the trigger 22 comprises a body 65 and a roller 66 mounted to rotate freely on the body 65 about an axis R 'substantially parallel to the axis R.
- the body 65 shown on the figure 8 , may be, for example, cut into a U-shaped section.
- the roller 66 extends substantially the full width of the trigger 22.
- the axis R ' is positioned so that the roller 66 can define the distal end 26 of the trigger 22.
- the trigger 22 is rotatably mounted on the tube 62 by means of a rod 68 passing right through the lumen of the tube 62 and penetrating into orifices 69 formed in the lateral cheeks 70 and 72 of the body 65.
- the axis R ' is positioned on the body 65 so as to provide a lever arm b for creating a moment around the axis R in case of thrust F r .
- the thrust F r exerted by the pallet P in response to the advance of the carriage leads to the tilting of the trigger (arrow F2), which, as explained above, leads to to quickly detect the positioning error.
- the roller 66 can roll on the pallet P, which greatly facilitates the rotation of the trigger 22.
- this embodiment has the advantage of great simplicity of manufacture, in particular by the use of a U-shaped profile for the body 65 of the trigger.
- the figure 12 represents, in perspective, the fork arm 20 in the embodiment shown in FIG. figure 11 .
- the trigger 22 may comprise one or more disks 73 mounted to rotate freely on the trigger (see figure 13b ).
- the use of disks is particularly well suited when the distal portion of the trigger 22 is tapered.
- the end of the trigger has several axes carrying rollers and / or disks, for example substantially parallel to each other and preferably extending perpendicular to the longitudinal axis of the trigger, as shown in FIG. figure 13b (axis 81 1 and 81 2 ).
- the thickness of a disc 73 may be, for example, less than 3 cm, less than 2 cm, or even less than 1.5 cm and / or greater than 0.5 cm, a thickness of about 1 cm being good. adapted.
- the thickness of a disc 73 and / or a roll and / or the number of discs is adjusted to the available space.
- the use of a series of identical disks advantageously makes it possible, with the same disks, to adapt to different forms of the trigger.
- the trigger 22 shown on the figure 13b can be obtained from a plate cut from a sheet and having, for example, the shape shown on the figure 13a , the fold lines being referenced 79 1 to 79 5 .
- the manufacture of the trigger 22 is then particularly fast and inexpensive.
- phishing may occur when the fork leg is normally introduced into an entry of the pallet to be handled and the trigger strikes a portion of the pallet abnormally projecting through that entrance. The trigger then tilts when advancing the fork arm and its proximal end 30 can engage with the pallet, preventing a return to passive position. The user can no longer extract the fork without driving the pallet. The recoil of the forklift can thus unbalance the pallet.
- a fork according to the invention preferably comprises anti-phishing means, that is to say means for separating the trigger and / or a support of the trigger, for example a sheath , relative to the fork arm in case of phishing.
- the anti-phishing means are designed so that a pull on the trigger, along the axis of the arm and towards the distal end of the trigger, disengages the trigger or a trigger support (for example a sheath ) of the fork arm.
- uncoupling means detachment of the trigger and / or the trigger support so that the trigger is no longer mounted rigidly on the fork arm.
- the fork may include means for retaining the trigger in case of separation, for example a cable connecting said trigger and the fork arm.
- the anti-phishing means may comprise, for example, means for retracting or breaking, under the effect of said traction, an axis of rotation of the trigger on the fork arm.
- the anti-phishing means may comprise pins 68 'resiliently mounted on the fork arm 20 so as to constitute the axis of rotation of the trigger.
- the pins 68 ' are slidably mounted in housings 82 formed in the fork arm 20.
- Springs 84 oppose the retraction of pins 68' in the housing 82, their stiffness being determined to allow this retraction in case of pulling force on the trigger corresponding to a phishing situation.
- the pins 68 "of the trigger defining its axis of rotation may be frangible, and for example include a weakening zone 86 capable of breaking in case of traction corresponding to a phishing.
- the weakening zone may also be provided elsewhere at the level of the pins 68 ", for example on a portion of the fork arm 20.
- the weakening zone may also be replaced, for example, by magnets or clips, or any other deactivatable fixing means ensuring, in particular the absence of phishing, the fixing, on the fork arm 20, the axis of rotation of the trigger or a workpiece bearing this axis.
- the anti-phishing means are not disposable and can be reactivated, as in the embodiment of the invention. figure 12b or when using magnets, for example.
- the portion 88 of the fork arm carrying the pins 68 "'of rotation of the trigger is retained on the remainder of the fork arm 20 by a magnet 92 and / or by a fastener 94.
- a sleeve 95 ensures the positioning of the part 88.
- the anti-phishing means may also comprise securing means, for example a lock, maintaining the axis of rotation of the trigger secured to the fork arm in the passive position and deactivated under the effect of tilting.
- the trigger can be rotatably mounted on a sheath 96 attached to the end of the fork arm 20 by inserting a pin 98 of the trigger 22.
- the pin 98 is disposed on the face of the trigger in contact with the sheath 96 in the passive position. In the passive position, the pin 98 passes through an orifice 100 formed in the sleeve and enters a housing 102 of the fork arm 20, thus preventing any movement of the sleeve 96 along the fork arm 20. In case of tilting, as shown , the pin 98 leaves the housing 102 and the orifice 100, thus allowing, in case of phishing, detachment of the sleeve 96 of the fork arm 20.
- the figure 13c represents a variant of the sheath 96 of the figure 14d , adapted to receive the trigger shown on the figure 13b (obtained from the plate shown on the figure 13a ).
- the sleeve 96 ' has an orifice 100' intended to receive the tongue 98 'in the passive position.
- the 96 'sheath is mounted on a fork arm provided with a transverse groove, in a position in which said transverse groove extends below the orifice 100 '. In the passive position, the tongue 98 'passes through the hole 100' and is inserted into the groove of the fork leg.
- the anti-phishing means can be activated only when the trigger is not in the passive position and a pull, tending to move the trigger of the fork arm is exerted on its axis of rotation.
- the trigger 22 can be mounted in rotation directly on the fork arm 20 or via a sheath 96 or 96 '.
- the use of a sleeve advantageously allows mounting on a fork without modification thereof.
- the locking means of the sleeve on the fork are not limiting.
- the sheath can be detached from the fork arm in case of phishing, as in the embodiment of the invention. figure 13c . Removability of the sleeve during a phishing situation is particularly advantageous when the trigger can not be detached from the sheath.
- the means for fixing the sheath on the fork arm are detachable in case of phishing, as in the embodiment of the invention.
- Disable fixing means that can be implemented to fix the sheath on the fork arm include friction means, for example an elastomeric material, a leaf spring or a Belleville washer, for example mounted inside the sheath , in particular in a recess in the wall of the sheath.
- friction means for example an elastomeric material, a leaf spring or a Belleville washer, for example mounted inside the sheath , in particular in a recess in the wall of the sheath.
- the sheath is arranged to prevent any pull tending to disengage it outside a phishing situation.
- the thickness of the walls of the sheath can be progressively reduced towards the rear of the sheath, that is to say towards the base 18 of the fork 12.
- the length of the sheath can also be adapted so that the sheath extends substantially over the entire length of the fork arm 20.
- the securing means of the sheath (or more generally of the trigger support) on the fork arm do not require modification of the fork.
- a fork according to the invention is not exclusively intended for handling a pallet and could be used in all applications in which a handling machine is conventionally used, for example to lift drums or bags.
- a fork according to the invention is poorly adapted to be inserted under a load which would not be provided with housings adapted to receive the fork arms. Such an insertion, in force, would tend to cause a tilting of the trigger, opposing said insertion.
- the shape of the trigger is not limited to the shape represented on the figure 2 .
- the trigger could for example take the form of a rod or a roller (as shown on the figure 4 ) preferably rotatably on the fork arm about an axis of rotation R substantially perpendicular to the axis of arm B.
- the shape of the trigger must however be adapted to ensure that it rotates under the effect of a thrust along the axis of arms, that is to say that there is a lever arm b nonzero.
- the fork arm preferably comprises a position change sensor 50.
- the trigger 22 may be configured to swing in the opposite direction of the clockwise in case of thrust, along the axis of arm B, as shown in FIG. figure 5 .
- the angular difference ⁇ between the passive and active positions is less than 90 °.
- the trigger 22 can also return to the passive position under the effect of its own weight.
- the modification of the fork arm 20 may be limited. In particular, no flat is to be expected.
- the trigger may extend only over a very small portion of the total length of the fork.
- the trigger in the passive position, can support a load, for example used to transport a pallet.
- a fork according to the invention comprises means for adjusting the minimum thrust required to cause the trigger to tilt (when this thrust is exerted on the distal end of the trigger along the axis of the arm and towards the fork arm).
- This minimum thrust may for example be adjusted by adjusting the friction resulting from the rotation of the trigger on the fork arm, for example, in the embodiment of the invention. figure 8 , making more or less tight the mounting of the rod 68 in the orifices 69.
- the fork preferably comprises means for modifying these friction, for example a screw screwed on the trigger and whose end bears against the axis of rotation of the trigger on the fork arm.
- the means for adjusting the minimum tilt thrust may also comprise an indexing finger, for example, a pin mounted elastically on the trigger and coming to rest elastically on the fork arm so as to prevent tilting as long as the thrust is lower. at the minimum tipping thrust.
- the pin may be, for example, in the passive position, pushed by means of a spring into a hole provided on a lateral face of the fork arm, the pressure exerted by the spring being insufficient to maintain the pin in this hole when the thrust exceeds the minimum tipping thrust.
- the minimum tilt thrust can be determined in particular so that the fork arm can be used to pierce plastic films without tilting the trigger.
- the number and shape of the roller 66 or discs 73 are not limiting.
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- Structural Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10776173T PL2490981T3 (pl) | 2009-10-23 | 2010-10-22 | Widły do urządzenia do manipulowania |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0957461A FR2951712B1 (fr) | 2009-10-23 | 2009-10-23 | Fourche pour engin de manutention |
PCT/IB2010/054791 WO2011048576A1 (fr) | 2009-10-23 | 2010-10-22 | Fourche pour engin de manutention |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2490981A1 EP2490981A1 (fr) | 2012-08-29 |
EP2490981B1 true EP2490981B1 (fr) | 2013-12-04 |
Family
ID=42212126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10776173.6A Active EP2490981B1 (fr) | 2009-10-23 | 2010-10-22 | Fourche pour engin de manutention |
Country Status (7)
Country | Link |
---|---|
US (1) | US20120211308A1 (es) |
EP (1) | EP2490981B1 (es) |
BR (1) | BR112012011345A2 (es) |
ES (1) | ES2444949T3 (es) |
FR (1) | FR2951712B1 (es) |
PL (1) | PL2490981T3 (es) |
WO (1) | WO2011048576A1 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9403547B2 (en) | 2012-02-24 | 2016-08-02 | Coca-Cola Bottling Co. United, Inc. | Pallet transportation assembly and processes of transporting pallets using the same |
US9260125B2 (en) * | 2012-02-24 | 2016-02-16 | Coca-Cola Bottling Co. United, Inc. | Pallet transportation assembly and processes of transporting pallets using the same |
DE102013002406A1 (de) | 2013-02-13 | 2014-08-14 | Vetter Umformtechnik Gmbh | Lastaufnahmemittel |
EP2816001B1 (en) * | 2013-06-21 | 2016-03-09 | Gebr. Meijer St. Jabik B.V. | Manually length-adustable fork for a lifting device, forklift truck provided therewith and method therefor |
CA2881494C (en) * | 2014-02-10 | 2023-04-04 | Rehrig Pacific Company | Pallet lift rails |
KR102359931B1 (ko) * | 2017-04-28 | 2022-02-07 | 현대자동차 주식회사 | 지게차 시스템, 및 그 제어방법 |
CA3084045A1 (en) * | 2017-12-06 | 2019-05-13 | Meijer Holding B.V. | Modular sliding fork for a fork-lift truck or pallet truck, fork-lift truck or pallet truck provided therewith and method therefor |
TWI819374B (zh) * | 2021-09-09 | 2023-10-21 | 京鼎精密科技股份有限公司 | 支撑機構及搬運設備 |
CN114312458B (zh) * | 2021-12-17 | 2024-04-16 | 三一锂能有限公司 | 抓臂机构及换电装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2842275A (en) * | 1956-02-23 | 1958-07-08 | Kughler Edwin Russell | Drum handling apparatus |
US3039635A (en) * | 1957-11-26 | 1962-06-19 | Clark Equipment Co | Attachment for lift truck |
US2929523A (en) * | 1959-03-11 | 1960-03-22 | Walton W Cushman | Drum handling attachment for fork lift trucks |
GB1005291A (en) * | 1963-01-31 | 1965-09-22 | Lansing Bagnall Ltd | Improvements in or relating to pallet trucks |
US3180513A (en) * | 1963-07-09 | 1965-04-27 | Wal Tuenis Vander | Attachment for fork-lift trucks |
GB1107983A (en) * | 1963-10-08 | 1968-03-27 | Rexford John Cranston | Improvements in or relating to load supporting platforms or forks for industrial trucks |
US3301587A (en) * | 1965-03-01 | 1967-01-31 | Prentice Hydraulics Inc | Materials positioning fork |
US3672470A (en) * | 1969-11-26 | 1972-06-27 | Eaton Yale & Towne | Photoelectric control for load handling device |
US3734329A (en) * | 1972-03-06 | 1973-05-22 | L Grelck | Fork lift truck tines |
US4212375A (en) * | 1978-06-15 | 1980-07-15 | Caterpillar Tractor Co. | Aligning apparatus for material handling system |
US4272220A (en) * | 1979-05-04 | 1981-06-09 | Equipment Company Of America | Drum lifter for fork lift truck |
US4385860A (en) * | 1981-01-12 | 1983-05-31 | Corbin Richard W | Fork lift attachment |
CA1256913A (en) * | 1985-02-26 | 1989-07-04 | Raymond J. Boucher, Jr. | Article manipulator for robot |
US5622469A (en) * | 1995-03-20 | 1997-04-22 | Weber; Heinz | Blade for fork lift truck |
US6015255A (en) * | 1998-09-03 | 2000-01-18 | Vander Meer; Brett | Self locking forklift attachment |
DE202005009537U1 (de) * | 2005-06-17 | 2006-10-26 | Allconsult Limited | Palette zum Tragen und Transportieren von Lasten mit abrollbarem Boden |
DE102006039758A1 (de) * | 2006-08-24 | 2008-02-28 | Jungheinrich Ag | Lastarm für einen Niederhubwagen |
-
2009
- 2009-10-23 FR FR0957461A patent/FR2951712B1/fr not_active Expired - Fee Related
-
2010
- 2010-10-22 WO PCT/IB2010/054791 patent/WO2011048576A1/fr active Application Filing
- 2010-10-22 PL PL10776173T patent/PL2490981T3/pl unknown
- 2010-10-22 EP EP10776173.6A patent/EP2490981B1/fr active Active
- 2010-10-22 ES ES10776173.6T patent/ES2444949T3/es active Active
- 2010-10-22 BR BR112012011345A patent/BR112012011345A2/pt not_active IP Right Cessation
- 2010-10-23 US US13/502,513 patent/US20120211308A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20120211308A1 (en) | 2012-08-23 |
BR112012011345A2 (pt) | 2016-04-19 |
ES2444949T3 (es) | 2014-02-27 |
EP2490981A1 (fr) | 2012-08-29 |
FR2951712B1 (fr) | 2011-11-25 |
FR2951712A1 (fr) | 2011-04-29 |
PL2490981T3 (pl) | 2014-04-30 |
WO2011048576A1 (fr) | 2011-04-28 |
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