• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
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    • 专利摘要:
    The pallet (1) allows the transport of one or two cars superimposed, in a standardized container. It is non-motorized, foldable flat, stackable, deployable in partially or fully unfolded configuration, and fully manipulated by a forklift. It comprises a lower plate (3) and an upper plate (2) with a frame structure, joined by two main columns (6) and two articulated secondary poles (7), which are erected when the pallet is fully unfolded and laid down when it is folded. It also comprises sliding members located at the four corners of the upper plate, which slide along these posts during deployment of the pallet and which are locked in position by retaining means when the upper position of the upper plate is reached.
    公开号:FR3046577A1
    申请号:FR1650103
    申请日:2016-01-07
    公开日:2017-07-14
    发明作者:Jean-Luc Andre；Pierre Leonhart
    申请人:Lohr Industrie SA；
    IPC主号:
    专利说明:

    FOLDING PALLET WITH TWO LEVELS OF LOADING Technical Area
    The present invention relates to the technical field of transporting motor vehicles in standardized transport containers, particularly by sea.
    It relates more particularly to a folding pallet, with two loading levels and three configurations of use, which allows the loading and the transport of one or two motor vehicles in a container.
    State of the art
    Nowadays, the transport of motor vehicles over long distances is particularly frequent, for example between their place of manufacture and their place of sale which are very often in two different countries, even two different continents.
    In order to achieve this transport economically and safely, the use of standardized transport containers, also called intermodal containers, has developed particularly.
    Such containers make it possible to transport fragile goods such as motor vehicles economically and protected over long distances, especially by sea or land, whether by road or in freight trains.
    In order to simultaneously transport as many vehicles as possible by optimizing the space available inside a standardized container, pallets have been developed in the prior art for equipping these containers and for receiving the motor vehicles to be transported.
    Such pallets, which generally have two superimposed loading levels, thus advantageously make it possible to securely transport four motor vehicles simultaneously instead of two in a standardized container twelve meters long (40 feet).
    These pallets also make it easier to load the vehicles. Indeed, the width of the standardized containers being only slightly higher than that of the vehicles to be transported, it is rather difficult to load and unload the vehicles directly into the container without risk of damaging them.
    With these pallets, it is advantageous to load the vehicles on the pallet while it is still outside the container. Then, once the vehicles securely attached to the pallet, it can be loaded inside the container by means of a forklift-type handling equipment.
    These pallets are generally provided folding by lowering their upper loading plan, to take up less space when they are not used, for example during storage or when transported empty. Such a lowering of the upper loading plane also makes it easier to load the vehicle intended to be transported thereon, this loading plan being mounted in the raised transport position only in a second time.
    Examples of such folding pallets with two loading levels have, for example, been disclosed in the following earlier documents: US 5567111, US 4917557, US 5213458 and WO 99/18308.
    The present invention also provides a folding pallet with two loading levels for a similar application. However, the pallet according to the invention consists of different means which confer on it a number of advantages over the pallets disclosed in the prior art.
    DESCRIPTION OF THE INVENTION The invention thus provides a collapsible, stackable, non-motorized pallet with two loading levels enabling the loading of one or two motor vehicles with a view to their transport in a transport container, for example standardized.
    This pallet can also be loaded onto a standard cargo plane pallet for air transport.
    This pallet comprises a lower plate and an upper plate each capable of supporting a motor vehicle, the upper plate being provided to move from a low position in which it is placed on the lower plate, to a high position in which it is held in position. raised position above the lower plateau.
    According to the invention, the pallet further comprises: - two main posts, which are fixed at their lower end to the rear of the lower plate, and are alternately lying down or erect position; - two secondary posts, which are hingedly attached by their lower end to the front of the lower plate, and can pivotally from a supine position to an erect position; two forward sliding members and two rear sliding members, located near the corners of the upper plate and extending on the outwardly projecting side of the upper plate, said sliding and sliding forward sliding members respectively along main and secondary poles when the upper plate moves from its low position to its high position; and - retaining means which block said front and rear sliding members when the upper position of the upper plate is reached;
    The pallet according to the invention can adopt three different configurations of use: a flat folded configuration, in which the upper plate is in the lower position, the main columns and the secondary columns being in a supine position; - A partially unfolded configuration, provided for the loading of a single vehicle, wherein the upper plate is in the low position, the main poles are upright and the secondary poles in supine position; and - an entirely unfolded configuration, provided for the loading of two vehicles, in which the upper plate is in the raised position, the main columns and the secondary poles being in the upright position.
    According to a preferred variant of the invention, the main posts are in the transverse lying position in the folded configuration of the pallet, and in the substantially upright raised position in the fully unfolded configuration of the pallet.
    According to a preferred embodiment of the invention, in the partially unfolded configuration of the pallet, the main columns are in the upright position, inclined laterally outwardly or substantially vertically.
    According to a preferred embodiment of the invention, the secondary posts are pivoted from a longitudinal recumbent position relative to the pallet to an erected position inclined rearwardly.
    However, other variants are conceivable, in particular a pallet with main columns placed in longitudinal recumbent position in folded configuration, and / or with secondary poles in the upright position substantially vertical or inclined forward. Similarly, an articulated version of the main columns can also be envisaged, allowing a pivoting passage from their supine position to their erect position.
    According to an advantageous embodiment of the invention, when the pallet is in folded flat configuration, the upper plate is embedded in the lower plate.
    According to one embodiment of the invention, the upper plate is a substantially flat structure which comprises: two longitudinal longitudinal members; a front end cross member and a rear end cross member; a front wheel support and a rear wheel support, each intended to receive one of the two sets of wheels of the vehicle carried by the upper plate.
    The lower platen is a substantially planar structure that includes: two outer spars and two inner spars; a set of cross members, including at least one front end cross member and a rear end cross member, which join said outer and inner side members; two treads each longitudinally extending between an outer spar and an adjacent inner spar.
    According to an advantageous variant of the invention, the retaining means are capable of locking the front and rear sliding members at different heights along the main columns and the secondary posts respectively, so as to adjust the altitude of the upper position of the plateau. superior.
    According to one embodiment of the invention, the retaining means comprise pins which cooperate with a set of complementary receiving openings formed in the main columns and the secondary columns.
    According to a preferred embodiment of the invention, in flat folded configuration of the pallet, the main columns extend over the upper plate which is in the low position.
    According to one embodiment of the invention, the rear and front sliding members are substantially cylindrical rods and the main columns and the secondary poles each comprise over substantially their entire length a groove opening on their inner face, in which the The rear and front sliding of the upper plate slide respectively when the upper plate passes from its lower position to its upper position.
    According to another embodiment of the invention, the upper plate is a frame structure which delimits an empty central space. Such a feature advantageously facilitates the interlocking of the two superimposed vehicles so as to optimize the interior space available inside the container and thus be able to transport two superimposed vehicles whatever their size and even if they have a height important.
    According to another embodiment of the invention, the front wheel support is movable longitudinally to adjust its position relative to the rear wheel support.
    The front wheel support is preferably formed of two transverse tubes, while the rear wheel support comprises at least one decking fixed to the rear end cross member or the longitudinal longitudinal members.
    According to another embodiment of the invention, the pallet further comprises receiving means adapted to cooperate with the fork of a forklift truck. These reception means are preferably located at the level of the front end cross member and / or of the rear end cross member of the upper plate, or at the level of the outer longitudinal members or inner spars of the lower plate, or at the level of the cross members of the lower plate. It is for example openings, pockets, tunnels, cavities, rings or handles preferably articulated, foldable or retractable.
    According to an advantageous embodiment of the invention, the pallet further comprises wheel chocks or fastening straps for the wheels of the transported vehicles.
    According to one embodiment, the pallet further comprises crutches or roller feet, folding or retractable, and deployable under the lower plate.
    According to another embodiment of the pallet, the lower plate has on the underside rollers, or sliding parts, or ski-shaped spars.
    According to one embodiment, the pallet further comprises extensions, removable or foldable or retractable, which, in the deployed position, constitute an extension of the treads of the lower plate.
    According to one embodiment, the pallet further comprises one or more longitudinal abutment elements, for example telescopic and / or adjustable length.
    According to another embodiment of the invention, the pallet comprises at least one means of passage or attachment of a cable or a strap for fixing the pallet to the container, located on the upper plate, on the members sliding, or on the main and secondary poles.
    According to a variant of the invention, in folded flat configuration, the pallet is stackable on other identical pallets and has centering projecting elements for the automatic centering of an identical pallet stacked above. The invention also teaches a method of loading one or two motor vehicles inside a transport container by means of a pallet according to the invention.
    This method comprises the following steps: providing the pallet in folded flat configuration and laying it on the ground; remove the two main columns, or place them in an upright position to move the pallet in a partially unfolded configuration; loading a vehicle onto the top deck by rolling it on the treads of the lower deck until its wheels are disposed on the front wheel support and the rear wheel support; immobilize the wheels of this vehicle on the corresponding front and rear wheel supports; in the case where the two main poles have been deposited, place them in erect position to move the pallet in partially unfolded configuration; push the loaded pallet using a forklift truck into the transport storyteller.
    This method may also include, prior to the step of pushing the loaded pallet with a forklift to the inside of the transport storyteller, the following steps: lift the rear end cross member of the upper plate using the fork of a forklift, sliding the rear sliding members of the upper plate along the main columns; locking the rear end cross member in the raised position by means of the retaining means of the rear sliding members; lifting the front end cross member of the top deck by means of the fork of a forklift truck by sliding the forward slide members of the upper deck along the secondary posts and thereby causing the pivoting of said secondary articulated posts which automatically raise when the front end cross member is lifted and move from a lying position to an erect position; locking the front end cross member in the up position by means of the retaining means of the forward sliding members; loading a second vehicle onto the lower platen of the pallet, rolling it on the treads of the lower platen; immobilize the wheels of the second vehicle on the lower plate.
    The folding pallet according to the invention has many differences and has many advantages over the pallets described in the prior art.
    In particular, it is flexible and adaptable, because the same pallet can be used as needed with three different configurations: flat folded configuration for storage, stacking and repatriation, in partially unfolded configuration when only one vehicle has to be loaded and transported by pallet, and in fully unfolded configuration, when two vehicles must be loaded and transported simultaneously on the same pallet.
    Advantageously, the pallet according to the invention makes it possible to load one or two vehicles according to the needs and the size of the motor vehicles to be transported. Thus when large heavy vehicles or high vehicles are to be transported, in particular 4x4s or minivans, it is possible to load only one vehicle per pallet on a single level of loading. In this case, the vehicle is loaded on the upper plate, which is left in the down position.
    In addition, to facilitate the loading of such large vehicles, the main posts can be completely removed from the pallet to leave the passage completely free, then easily put back into place and locked in a substantially upright raised position after loading.
    Alternatively, these main columns can advantageously adopt another position in partially unfolded configuration of the pallet, namely an erected position inclined laterally outwardly of the pallet. The passage available to load a vehicle on the upper plate is wider and large vehicles can engage without having to fold their rear view mirrors. When two motor vehicles are to be loaded, both loading levels are used. The pallet according to the invention advantageously allows a loading said "flat" of these two vehicles on the two plates of the pallet, without the need to use tackle or a ramp to access the upper plate. Indeed, in folded configuration, the upper plate is embedded in the lower plate and therefore does not constitute additional allowance. It is thus directly passable without access ramp by a conventional motor vehicle.
    The pallets according to the invention are moreover perfectly stackable on each other in folded configuration, which makes it possible to store a large number of them in a limited space and thus for example to stack a large number of them in one and the same container. return them to their point of departure once the transport of the vehicles has been completed, thus limiting the costs related to the return trip.
    In addition, the pallet according to the invention comprises main posts which are foldable preferably transversely to the general axis of the pallet.
    These main posts are of large width and can thus fully support and take up all the longitudinal forces of the loaded pallet, in particular braking efforts during the transport of the container.
    This configuration of the pallet according to the invention with four folding posts is original and particularly advantageous because it makes it possible to dispense with lateral reinforcing side-plates often encountered in the prior art.
    However, thanks to their transverse lying position, in the folded configuration of the pallet, these main posts represent only a small extra thickness despite their large width and do not interfere with the secondary posts which are they lying and in longitudinal position.
    In folded configuration, the pallet according to the invention is thus almost flat and of relatively low height, while having sufficiently large and solid posts to be able to resume in a satisfactory manner all the efforts that may be applied to the loaded pallet. partially or fully unfolded during transport.
    In addition, the pallet according to the invention advantageously allows a height adjustment of the upper loading plate. The altitude of the latter can easily be adapted according to the model of the vehicles transported and their respective dimensions. It can also be adapted according to the size of the container in which the pallet is to be engaged. In addition, this setting is very simple and quick to perform by the operator.
    The upper plate is preferably openwork. It is thus preferably made in the form of a frame with a free central space as large as possible. Such a configuration of the upper plate makes it possible to achieve a better embedding of the two superimposed vehicles. The overall height of the loaded pallet of the two vehicles can thus be reduced.
    All handling operations of the pallet, whether to deploy or fold, load or unload in the container, or to stack or move it, are made using a simple type of handling device forklift.
    Such a machine is extremely common in all areas of possible use of this type of pallets, especially in port areas, rail or road dedicated to the transport of goods or in the areas of production, storage or sale of motor vehicles . Specific infrastructure and costly loading equipment are thus avoided.
    BRIEF DESCRIPTION OF THE FIGURES Other characteristics and advantages of the invention will appear on reading the detailed description which follows, description given with reference to the appended drawings, in which: FIGS. 1 to 4 are perspective views of a first example pallet according to the invention, respectively from above in folded configuration, from above in partially unfolded configuration, and from above and below in fully unfolded position; Figures 5 to 7 are enlargements of details which illustrate the attachment on the lower plate of the lower end of a main pole and the sliding of the rear sliding member of the upper plate along the main pole; Figure 8 is an enlargement of a detail illustrating the articulated attachment of the lower end of a secondary pole to the lower plate and the sliding of the front slide member of the upper plate along the secondary pole; Figures 9 and 10 are views, respectively from above in perspective and rear in plan, which show the stack one over the other of two pallets according to Figure 1 in folded configuration; Figures 11 to 14 are perspective views of a second example of pallet according to the invention, respectively from above in folded configuration, from above in partially unfolded configuration, and from above and below in fully unfolded position; Figure 15 is a top view in perspective of a stack of two pallets according to Figure 12 in folded configuration; FIGS. 16 to 24 are schematic side views illustrating the various successive stages of a loading sequence of two motor vehicles on the pallet of FIG. 12 and then of the engagement of this pallet inside a container transport ; Figures 25 to 30 are schematic side views which illustrate the steps of a sequence of engagement in a transport container of a pallet according to Figure 1 loaded with two motor vehicles.
    Detailed exposition of the invention
    The pallet according to the present invention will now be described in detail with reference to FIGS. 1 to 30. The equivalent elements represented in the different figures will bear the same numerical references.
    By convention, in this patent application, we define the concepts of front and rear depending on the direction of loading on the various figures of the vehicle on the upper plate of the pallet, the front side being the one where are located the secondary posts and the back side the one where the main posts of the pallet are located. Of course, when the pallet is used, this vehicle can be loaded in the opposite direction if desired.
    In the different figures, two examples of pallet 1 according to the invention are shown.
    This pallet 1 comprises an upper plate 2 and a lower plate 3 which constitute two superimposed loading planes for vehicles 4 of automotive type. These two plates 2, 3 are connected to each other by a set of four posts 5, including two main posts 6 at the rear and two secondary posts 7 at the front of the pallet 1. These posts 5 are located near the four outer corners of the pallet 1, so as to provide good stability without impeding the opening of the doors of the vehicles transported.
    In order to facilitate the nesting of the vehicles 4 transported one above the other, the upper plate 2 is preferably made in the form of a frame structure which delimits an empty central space 8, the largest possible.
    This upper plate 2 thus comprises two longitudinal longitudinal members 9 joined in their end zone by a front end cross member 10 and a rear end cross member 11. The upper plate 2 further comprises a front wheel support 12 and a support rear wheel 13 which are fixed at least on the longitudinal longitudinal members 9 and possibly again on the rear end crosspieces 11 and / or before 10, and which are intended to receive and support each wheel 14 of one of the trains of wheels of the vehicle 4 loaded on the upper plate 2.
    In the preferred examples shown, the front wheel support 12 consists of two transverse tubes 15, preferably substantially cylindrical, which delimit between them a recess in which the wheels 14 concerned of the transported vehicle 4 are sinking slightly as one can see for example in Figures 18 to 24. The setting of the car is thus achieved. In addition, the front of the car 4 is slightly lowered when it is loaded on the upper plate 2 in the high position, which reduces the total height of the pallet in the loaded state by a few centimeters.
    The front wheel support 12 may advantageously be provided displaceable by longitudinal translation, that is to say by sliding along the two longitudinal longitudinal members 9 in order to be able to adjust their relative position relative to the rear wheel support 13. It is thus possible to adapt to the different sizes of 4 vehicles that can be transported. In the same way, the spacing between the two transverse tubes 15 can be adjusted to suit the different diameters of wheels 4 possible. Once these adjustments have been made, the front wheel support 12 is locked to the longitudinal spars 9.
    The rear wheel support 13 preferably comprises at least one decking 16 fixed to the rear end cross member 11 and / or to the longitudinal longitudinal members 9. This is for example a single deck for the two wheels 14 of the landing gear. rear wheels of the vehicle 4 extending over the entire width of the upper plate 2, or more preferably as shown in two individual decks 16, for example substantially rectangular, each for supporting one of the wheels 14 of the wheel set concerned.
    Although not shown in the figures, straps adapted to secure the wheels 14 of the transported vehicle 4 can advantageously be provided at the front wheel supports 12 and rear 13 of the upper plate 2. These straps can be removable or directly integrated the wheel supports 12, 13 or any other area of the upper plate 2 where they would be accessible by the operator and not disturbing. Near the corners of the upper plate 2, that is to say in the front end zone 17 and the rear end zone 18 of the longitudinal longitudinal members 9, the upper plate 2 further comprises projecting sliding members, respectively two forward sliding members 19 and two rear sliding members 20, which extend transversely to the longitudinal longitudinal members 9 and extend outwardly of the upper plate 2. These sliding members 19 before and rear 20, more visible on the The enlargements of FIGS. 6 to 8 are, for example, substantially cylindrical rods 21.
    As will be seen below, these rear sliding members 20 and 19 respectively slide along the main columns 6 and secondary posts 7 when the upper plate 2 passes from its lower position to its upper position and vice versa.
    In the two embodiments shown, the main and secondary posts 6 6 each comprise a groove 22 which opens on their inner face 23 and extends over their entire length. The dimensions of these grooves 22 are adapted so that the rods 21 can be engaged and slide freely inside thereof. These rods 21 are preferably extended by a shoulder extending in the groove 22 inside the corresponding post, which opposes the escape of the rod 21 from the groove 22 during this sliding.
    The pallet 1 also comprises retaining means 24 which block these sliding members before 19 and rear 20 when they have reached a certain height on the secondary posts 7 and main 6 respectively.
    The retaining means 24 shown are pins 25 which cooperate with a set of complementary receiving openings 26 formed in the main posts 6 and the secondary posts 7.
    Two pins 25 are engaged transversely to the groove 22 in the receiving openings 26, one below and the other above each of the rods 21 having reached its high position. The rods 21 are thus locked and locked in the up position in both directions, that is to say both upwards and downwards.
    On the preferred variants shown, there is a multitude of receiving openings 26 over the entire length of the main columns 6 and the secondary posts 7. It is therefore possible to block the sliding members before 19 and rear 20 at different heights all the time. along these poles, and thus to adjust the height of the upper plate 2 at a chosen altitude.
    Furthermore, locations such as 27 may be provided at the rear end cross members 11 and 10 before, of suitable shape for the establishment of a fork 28 of a forklift fork 29, serving receiving means 53 for this fork 28 facilitating the gripping of these crosspieces by this forklift 29. Other means of receiving means 53 can be envisaged alternately, such as for example openings, tube support locations, pockets, tunnels, cavities, rings or handles possibly articulated, folding or retractable.
    The lower plate 3 of the pallet 1 shown is also a substantially flat structure which comprises two outer longitudinal members 30 and two inner longitudinal members 31. The assembly of these longitudinal members is joined by a front end cross member 32, a rear end cross member 33 and two intermediate cross members 34.
    Preferably, the underside of these outer rails 30 and / or inner 31 can be made in the form of ski to improve the sliding of the pallet 1 in particular on the floor of a container. Alternatively or in addition, and for the same reason, the underside of the lower plate 3 may be provided with sliding parts covering for example these longitudinal members, and / or rollers, preferably arranged under the rear end cross member 33 and / or or the front end cross member 32 and directly integrated in these sleepers or mounted for example on deployable crutches.
    On each side, between an outer spar 30 and the inner spar 31, extends a tread 35 which serves as a raceway and wheel support for the wheels 14 of the motor vehicle 4 loaded on the lower plate 3.
    These treads 35 may comprise lowered areas 36, preferably equipped with decking, which form receiving niches and wedging for the wheels 14 of the vehicle 4 and thus define the locations intended to support and preferably to stall the wheels 14 of the vehicle 4 during transport.
    Like the upper plate 2, these treads 35 are preferably equipped with wheel chocks 37 or fastening straps (not shown), removable or integrated, and adapted for fixing the wheels 14 of the vehicle 4 transported.
    Preferably, the lower plate 3 may also comprise extensions 38, removable, collapsible or retractable, which in the deployed position constitute, as shown in Figures 3, 13 and 14, an extension of the treads 35 of the lower plate 3. Such extensions 38 make it easy to adapt to the different vehicle templates 4 that can be encountered, allowing to extend if necessary the lower plate 3 to transport the longer vehicles.
    In addition, the lower plate 3 comprises at its corners two rear receiving housing 39 and two front receiving housing 40, in which are engaged and fixed respectively the lower ends 41 of the main columns 6 and the lower ends 42 of the secondary columns. 7.
    The rear receiving housings 39 are preferably made in the form of open cradles on their upper and inner faces, in which the lower ends 41 of the main posts 6 are fixedly and non-articulatedly retained, for example by means of a pin 43 through openings 44 of the rear receiving housing 39.
    The main posts 6 can be mounted in these rear receiving housings 39, alternately in several different positions: in the transverse lying position shown in FIG. 5 and corresponding to the folded configuration of the pallet 1, or, in the upright position illustrated on FIGS. Figures 6 and 7 and corresponding to partially and fully unfolded configurations of the pallet 1. To move from one position to another, the pin 43 must be removed and then put back into place in different openings 44 of the rear receiving housing 39 after tilting of the main post 6 concerned.
    To facilitate the loading of a vehicle on the upper plate 2 of the pallet 1 in partially unfolded configuration, these main posts 6 can also be placed in erect position slightly inclined laterally outwardly of the pallet.
    For this, the pins 43 are left in the openings 44 of the highest rear receiving housing 39, and the main posts 6 are simply pivoted upwardly by pivoting around these pins 43. As their lower ends 41 are not engaged in the rear receiving housing 39, the pivoting of the main columns 6 can continue beyond the vertical position, to an erected position inclined laterally outwardly of the pallet in which the main posts 6 are supported against the upper edge of the outer wall of the rear receiving housing 39.
    The passage released for the loading of the vehicle 4 is thus wider, which makes it easier to engage large vehicles, for example without the need to fold their rear view mirrors.
    In order to completely release the passage for the loading of the vehicle 4 on the upper plate 2, the main posts 6 may alternatively be completely removed from the pallet 1 after removal of the pins 43.
    In this case, the upper plate 2 advantageously remains laterally centered, because of the embedding of these longitudinal longitudinal members 9 between the outer longitudinal members 30 of the lower plate 3, and longitudinally due to the engagement of the rods 21 in notches provided for in FIG. this effect in the inner wall of the rear receiving housing 39. It is thus easy to replace the main posts 6 after loading the vehicle 4.
    In both cases (main columns inclined or completely deposited), once the vehicle is loaded, the main posts 6 are then placed in a substantially vertical erect position, nested at the bottom of the rear receiving housing 39 and locked by the pins 43 placed in the the lower receiving openings 44 are preferably open on their upper and rear faces, so as to receive the lower ends 42 of the secondary posts 7 which are attached thereto; articulated, so as to be pivotable from a longitudinal lying position on the outer longitudinal members 30, illustrated in Figures 1 and 2 and corresponding to the folded and partially unfolded configurations of the pallet 1, to an upright position inclined rearwardly , illustrated in Figure 8 and corresponding to the configuration entirely. t unfolded from pallet 1.
    As before, receiving means 53 for the fork 28 of a forklift fork 29 are preferably provided at the outer longitudinal members 30 or front end cross members 32 and / or rear 33 to facilitate the handling of the pallet 1 .
    These receiving means 53 can take different forms, including openings, pockets, tunnels or cavities in these rails or sleepers.
    Locations 27 are for example provided at the rear end crosspieces 33 and 32 before.
    On the first pallet variant 1 shown in FIGS. 1 to 10, transverse pockets 54 have been provided in the outer longitudinal members 30 in order to be able to engage the fork 28 of a forklift 29 placed transversely to the pallet 1.
    These pockets 54 are preferably made at intermediate sleepers 34 which are advantageously hollowed out in order to constitute a receiving tunnel for the fork 28.
    In addition to these pockets 54, 45 handles, articulated and foldable or retractable can also be provided under the outer rails 30. These handles 45 unfold down and allow the forklift 29 to handle the pallet 1 when the location of the center of gravity of the loaded pallet does not allow the use of the pockets 54.
    Advantageously, these handles 45 can be deployed automatically by gravity, when lifting the pallet 1 as will be seen later. In addition, these handles 45 preferably have a substantially trapezoidal shape and an oblique inclination in the deployed state, which favor their automatic folding under the lower plate 3 when the pallet 1 is loaded into a transport container.
    Different reception means 53 have been provided on the second pallet variant 1 shown in FIGS. 11 to 15.
    In this embodiment, no pocket has been provided in the longitudinal members or sleepers so as not to weaken them, nor to be forced to increase their thickness. The receiving means 53 are only made in the form of rings or handles 45 articulated, foldable or retractable, and deployable under the lower plate 3.
    Another type of hinges 57 articulated and foldable or retractable can also be provided at the inner longitudinal members 31 and / or the intermediate cross members 34 and the rear end cross member 33 to facilitate handling by a forklift fork 29 of pallet 1 in folded configuration.
    As shown, when folded, these handles 57 do not exceed the lower plate 3 and extend flat in the empty central space 46 located between the inner longitudinal members 31. But when they are raised, they exceed this time above the lower plate 3 and the entire pallet 1 in the folded state, and can easily be grasped by the fork 28 of a forklift 29.
    If both crosspieces 33, 34 and inner longitudinal members 31 are provided, the forklift 29 can advantageously grasp the pallet 1 transversely or longitudinally as required.
    As more particularly shown in FIG. 15, the loops 57 of the inner longitudinal members 31 are preferably arranged facing each other in the empty central space 46 and are preferably converging towards one another at their upper part. 47.
    When the pallets 1 are stacked one on the other, these handles 57 can thus, thanks to their convergent upper part 47, advantageously perform an automatic centering function of the identical pallet 1 stacked on top. The stacking operation can therefore be easily performed by a single operator at the controls of a forklift 29, without the need for an additional operator on the ground is necessary.
    In the case of the first pallet variant 1 shown in FIGS. 1 to 10, this automatic centering function is fulfilled by other centering protruding elements: protuberances 55, located near the corners of the upper plate 2 and which are extend upwardly from longitudinal longitudinal members 9. As can be seen in Figures 9 and 10, these protrusions 55 serve as a guide when stacking pallets 1 one on the other.
    As is the case of the second variant shown, the pallet 1 according to the invention may also comprise on the underside crutches or more preferably rollers 48, foldable or retractable, and deployable under the lower plate 3.
    When deployed, such feet with rollers or crutches raise the pallet 1 relative to the ground level by a height advantageously provided for placing the underside of the lower plate 3, and in particular its longitudinal members 30 and 31, to level of the floor of a container 49 to facilitate the engagement of the pallet 1 in this container.
    They also make it possible to pull out the foldable or retractable handles 45, which extend downwards under the lower plate 3, if the pallet 1 is provided with it. The pallet 1 can then be manipulated by a forklift 29 placed transversely relative to the pallet, for example to be moved laterally.
    In the case of roller feet 48, the pallet 1 can be moved much more easily by the forklift 29 which only has to push longitudinally the pallet 1 to obtain the rolling of the rollers of these roller feet. 48.
    When they are folded or retracted, these rollers feet 48 or crutches do not represent extra thickness on the underside of the lower plate 3, or constitute a very small unhindered extra thickness for stacking folded pallets.
    When it comes to roller feet 48, they can advantageously be designed so that their roll remains in contact with the ground and is able to roll even in the folded or retracted state. By this bearing, they thus help to move the pallet 1 by sliding on the ground, for example when it is loaded into a container 49.
    The pallet 1 according to the invention may further comprise one or more other advantageous means, such as, for example, one or more longitudinal abutment elements 50, or one or more lateral abutment elements, which guarantee the respect of a certain spacing between the loaded pallet and the walls of the container 49 or between two adjacent pallets, to prevent the transported vehicles 4 whose ends generally protrude beyond the trays 2, 3 to come knock against the walls and risk of be damaged.
    These longitudinal or lateral stop elements 50 are preferably foldable or retractable so as not to increase the size of the pallet 1 in the folded state, and for example telescopic and / or of adjustable length in the deployed state to adapt to the different transported vehicle templates 4 or container sizes 49. The longitudinal stop elements 50 shown are, for example, retractable inside the outer spars 30 of the lower plate 3.
    Preferably, the pallet 1 further comprises one or more means of passage or attachment 51 of a securing means, such as a cable 52, a rope or a strap for fixing the pallet 1 to the container 49, to perfectly immobilize the pallet 1 loaded in the container 49 for transport.
    These means of passage or hooking 51 are preferably located at the level of the main posts 6 and the secondary posts 7, and are for example constituted by through openings, which may be in particular the receiving openings 26 also used for adjusting the height 2. They can also be located on the upper plate 2, for example at the sliding members 19 and 20.
    Pallet 1 according to the invention is provided to pass from a folded configuration shown in FIGS. 1 and 11 to an entirely unfolded configuration shown in FIGS. 3, 4 and 13, 1.
    In folded configuration, the upper plate 2 is in the low position. It is laid flat on the lower plate 3, or even embedded in it. The main posts 6 extend over the upper plate 2, supine lying relative to the general direction of the pallet 1. The secondary posts 7 extend rearward lying longitudinally relative to the direction general of the pallet 1, over the outer spars 30 of the lower plate 3.
    The top 2 and bottom 3 trays are designed to cooperate with each other in the folded configuration of the pallet 1. For example, the longitudinal longitudinal members 9 of the upper plate 2 are advantageously interlocked between the outer rails 30 of the lower plate 3 to represent only an extremely limited oversize. In addition, the wheel supports 12 and 13 of the upper plate are placed in the extension of the treads 35 of the lower plate 3, the assembly allowing easy movement of a motor vehicle 4 to be loaded. Finally, the height of the secondary posts 7 in the longitudinal lying position is sufficiently low so as not to hinder the opening of the doors of a vehicle 4 loaded on the pallet. In the folded state, the pallets 1 are substantially flat and are perfectly stackable on one another as illustrated in FIGS. 9, 10 and 15, this stack being advantageously able to be facilitated by the presence of any centering means, for example for example, the protuberances 55 or the handles 45 extendable upwards in the empty central space 46 of the pallet 1, which allow handling in both directions by the lift truck 29 and play a centering role, as explained above,
    In the fully unfolded configuration, the upper plate 2 is in the up position and is maintained in raised position above the lower plate 3 only by the main columns 6 and secondary 7, without additional lateral reinforcements are necessary. All the efforts related to the weight of the transported vehicles and the stresses during transport (braking constraints in particular) are perfectly supported by these posts 5 without it being necessary to reinforce them by other lateral reinforcements.
    In order to limit the weight, the size and the cost of the pallet 1 according to the invention, it is not motorized, all the movements necessary for the deployment, the different phases of loading and unloading, or the folding of this pallet being carried out thanks to the action of a forklift fork 29.
    To make this description more complete, the various stages of the method of deployment and loading of motor vehicles on a pallet 1 according to the invention, then of setting up this pallet 1 loaded inside a transport container will now be briefly described with reference to Figures 16 to 30.
    A pallet 1 folded as shown in Figure 1 or 11 is first placed on the ground.
    The two main columns 6 are then placed in a substantially vertical erect position as shown in FIG. 2 or 12. For this purpose, the pins 43 are removed from the upper openings 44 of the rear receiving housing 39. The main columns 6 are pivoted towards the high and their lower end 41 is depressed lower in the corresponding rear receiving housing 39. The two main posts 6 are then locked by means of the pins 43 which are this time engaged in the lower openings 44 of the rear receiving housing 39.
    The main posts 6 are then supported against the outer face of the rear receiving housing 39, the pins 43 taking all the longitudinal forces.
    A vehicle 4 can then be loaded on the upper plate 2, as shown in FIG. 16, by rolling it on the treads 35 of the lower plate 3 which are just below and filling the gaps between the wheel supports. front 12 and rear 13 of the upper plate 2.
    As explained above, it is also possible to completely remove the main columns 6 or to put them in an upright position inclined laterally towards the outside, to facilitate the loading of this vehicle 4. Once the loading is done, the main posts 6 are put back in a substantially vertical erect position. as shown and are locked in this position.
    The vehicle 4 is stopped when its wheels 14 are correctly arranged on the front wheel support 12 and the rear wheel support 13 of the upper plate 2 and are immobilized for example by means of suitable straps.
    In the case where it is desired to load only one vehicle 4 on the pallet 1, the loading process is completed and it remains only to place the pallet 1 in the container 49 as explained below.
    In the case where it is desired to load two vehicles 4 on the pallet 1 and as shown in Figure 17, a forklift 29 fork then raises the rear end cross member 11 of the upper plate 2 with its fork 28 that engages for it in the locations 27. During this uprising, the cylindrical rods 21 acting as rear sliding members 20 of the upper plate 2 slide in the groove 22 of the main columns 6.
    When the height chosen for the rear end of the upper plate 2 is reached, the rear end cross member 11 is locked in the up position by means of two pins 25 on each side, which are engaged in the receiving openings. 26 of the main posts 6, located just below and just above the corresponding cylindrical rod 21 to lock it in both directions, upward and downward.
    To easily achieve this locking, without having to adjust perfectly the height using the forklift, simply raise higher the upper plate 2, to engage the lower pins in the receiving openings 26 to the correct height, then resting on the upper plate 2 by means of the carriage, and finally engage the upper pins in the receiving openings 26 located just above.
    The forklift 28 then circumnavigates the pallet and lifts the front end cross member 10 of the upper plate 2, as shown in FIG. 18, until the height chosen for the front end of the upper plate 2 be reached.
    This lifting of the front end cross member 10 automatically straighten the articulated secondary posts 7, which pivot due to the sliding of the cylindrical rods 21 in their groove 22 and pass from a longitudinal lying position to an erected position inclined towards the back.
    As previously, the front end cross member 10 is then locked in a high position, in both directions, by means of two pins 25 which are engaged in the receiving openings 26 of the secondary posts 7, situated just above below and just above the cylindrical rods 21.
    The second vehicle 4 is then loaded onto the lower plate 3 of the pallet 1, as shown in FIG. 19. If necessary, the extensions 38 are extended beforehand to extend the treads 35. The vehicle 4 is then engaged on the lower plate 3, by rolling it on the treads 35 in the opposite direction to the first vehicle 4.
    When the wheels 14 of the second vehicle 4 are correctly positioned on these treads 35, for example when the front wheels 14 of the vehicle come into abutment against a wheel chock 37 and / or are arranged in a lowered zone 36 of these belts of rolling, they are immobilized using wheel chocks 37 or adapted straps.
    As shown in FIGS. 20 and 21, the loaded pallet 1 is then slightly raised, on one side and then on the other, by grasping it at the level of the front end 32 and rear 33 cross members of the lower plate 3 by means of the forklift 29, in order to deploy on the underside of his crutches or his feet roller 48 when the pallet 1 is provided as is the case of the second pallet variant 1 described in this application.
    In the opposite case, as for example in the case of the first pallet variant 1 described, a wood bastaing 56 is slid under both ends of the loaded pallet as shown in FIGS. 25 and 26. In this case, the handles 45 located below the outer spars 30 of the lower plate 3 automatically deploy downwards by gravity. These bastings 56 make it possible, like the crutches or roller feet 48 of the second variant, to align the lower level of the pallet 1 with the height of the floor of the container 49.
    If the pallet 1 loaded is not correctly positioned in front of the access opening of the container 49, the forklift 29 can then be placed transversely with respect to the pallet 1 and translate it laterally by engaging its fork 28 in pockets 54, or in the handles 45 if the center of gravity is not located between these pockets 54, as shown for example in Figure 27.
    Once the pallet 1 correctly positioned in front of the opening of the container 49, these loops 45 are folded if necessary and a securing means such as cables 52, straps or cables, one end of which has been fixed beforehand, are passed through. at the bottom of the container 49, in the means of passage or attachment 51 located on the main columns 6 and secondary 7. These cables 52 lashing, straps or ropes are then in sliding support on the pallet 1. At a time any subsequent to the loading of the vehicle or vehicles 4 on the pallet 1 but prior to the engagement of the pallet 1 in the container 49, the longitudinal stops 50 and possibly the lateral stops are deployed if the pallet is provided. The length of these longitudinal stops 50 is set to exceed beyond the cantilevered ends of the vehicle or vehicles 4 loaded on the pallet.
    The forklift 29 is then placed at the front of the pallet 1 and pushes it into the container 49, as shown in FIG. 22 or 29. This movement is very easy because the pallet 1 loaded slides on bastings 56 and then on its rollers or beams 30, 31 with preferably ski-shaped underside, or rolls on its roller feet 48 which at least partially support its weight.
    Once the pallet is partially engaged in the container 49, it is necessary if necessary to successively fold the first roller feet 48 (located at the rear), then the second roller legs 48 (located at the front) as and when the progress of the pallet 1 commitment.
    When the handles 45 have, as previously described, a progressive trapezoidal shape and a suitable oblique inclination, they fold back automatically under the pallet when it is engaged inside the container 49. This avoids the risk of damage in the case where the operator would forget to fold them.
    The forklift 29 continues to push the loaded pallet 1 to the bottom of the container 49. Advantageously in the case of a pallet 1 provided with roller feet 48, the rollers remain in contact with the ground and continue to roll under the pallet even in the folded state. They thus participate in the sliding of the pallet 1 loaded to its transport position inside the container 49. Otherwise, the sliding means, rollers or skis of the longitudinal members 30, 31 can facilitate the translation on the floor of the container. container 49.
    During the entire period of the movement of engagement and translation of the pallet 1 inside the container 49, the securing cables 52 are held slightly stretched, for example by an operator. Once the pallet 1 placed in the transport position, the abutments 50 resting on the bottom of the container, the lift truck 29 is withdrawn. The cables 52 or fastening straps are stretched and fixed to the ground, for example to rings provided for this purpose on the floor of the container 49, to secure the pallet 1 loaded for transport as shown in Figure 30.
    In the case of a container 49 of 12 meters (40 feet), a second pallet 1 identical can be loaded with one or two vehicles 4, then engaged in turn and stowed in the container 49, as shown in Figure 24. This second loaded pallet can also be replaced by a stack of empty pallets 1 in folded configuration.
    The container 49 is then closed and ready to go. Thanks to the pallet 1 according to the invention, its interior volume is perfectly optimized and it can simultaneously carry four vehicles 4 without risk of damage.
    The longitudinal stops 50 of the two pallets are in abutment against the bottom wall and the container door 49 for those at the ends of the two pallets 1, and in contact with each other for those located between the two pallets 1. two pallets 1 are thus perfectly immobilized in the longitudinal direction. They are also immobilized in the lateral direction, by means of lateral stops, or more simply by their own width, which is only slightly less than that of the container 49. Once stowed, the cables 52 hold the pallets 1 upwards. Pallets 1 transported are thus perfectly immobilized in all directions as shown in FIG. 24.
    In the case where bastaings 56 are used, these can also be stored and transported in the container 49. They can advantageously be held in abutment against the door by the longitudinal stops 50 and for example held by means of straps.
    It is not necessary to describe the reverse operation of unloading and folding pallet 1 which can be easily deduced by the skilled person from the explanations above.
    However, in order to facilitate the removal of the pallets 1 from the container 49, one or more holes 58, or any other attachment means, may advantageously be provided at the front end cross member 32 of the pallet in order to attaching any pulling means to pull the pallet out of the container 49.
    Obviously, the invention is not limited to the preferred embodiments described above and shown in the various figures, the skilled person can make many modifications and imagine other variants without departing from the scope and of the scope of the invention defined by the claims.
    权利要求:
    Claims (17)
    [1" id="c-fr-0001]
    1. Pallet (1) foldable, non-motorized, two levels of loading for loading one or two vehicles (4) automobiles for transport in a container (49) transport pallet (1) comprising a lower plate (3) and an upper plate (2) each capable of supporting a vehicle (4) automobile, the upper plate (2) being provided to move from a low position in which it is placed on the lower plate (3) at a high position in which it is held in an elevated position above the lower plate (3), pallet (1) characterized in that it further comprises: - two main posts (6), which are fixed to the their lower end (41) at the rear of the lower plate (3), and are alternately lying down or upright; - two secondary posts (7), which are hingedly attached by their lower end (42) to the front of the lower plate (3), and can pivotally from a supine position to an upright position; two front sliding members (19) and two rear sliding members (20) located near the corners of the upper plate (2) and extending on the outwardly projecting side of the upper plate (2), said rear (20) and forward (19) sliding members respectively sliding along the main columns (6) and the secondary posts (7) when the upper plate (2) moves from its low position to its high position; and - retaining means (24) which locks said front (19) and rear (20) sliding members when the upper position of the upper plate (2) is reached; and in that it can adopt three different configurations of use: - a flat folded configuration, in which the upper plate (2) is in the lower position, the main posts (6) and the secondary posts (7) being in supine position; a partially unfolded configuration, intended for loading a single vehicle (4), in which the upper plate (2) is in the lower position, the main columns (6) being in the upright position and the secondary posts (7) in supine position; and - an entirely unfolded configuration, provided for the loading of two vehicles (4), in which the upper plate (2) is in the raised position, the main columns (6) and the secondary posts (7) being in the upright position.
    [2" id="c-fr-0002]
    2. Pallet (1) according to claim 1 characterized in that the main posts (6) are in the transverse lying position in the folded configuration of the pallet, and upright substantially upright in completely unfolded configuration of the pallet.
    [3" id="c-fr-0003]
    3. Pallet (1) according to claim 1 or 2 characterized in that, in partially unfolded configuration of the pallet, the main columns (6) are upright, inclined laterally outwardly or substantially vertically.
    [4" id="c-fr-0004]
    4. Pallet (1) according to any one of the preceding claims characterized in that the secondary posts (7) pivotally from a longitudinal recumbent position relative to the pallet to an upright position inclined rearwardly.
    [5" id="c-fr-0005]
    5. Pallet (1) according to any one of the preceding claims characterized in that, in folded flat configuration, the upper plate (2) is embedded in the lower plate (3).
    [6" id="c-fr-0006]
    6. Pallet (1) according to any one of the preceding claims characterized in that the upper plate (2) is a substantially flat structure which comprises: - two longitudinal longitudinal members (9); - a front end cross member (10) and a rear end cross member (11); - a front wheel support (12) and a rear wheel support (13) for each receiving one of the two sets of wheels (14) of the vehicle (4) carried by the upper plate (2); and in that the lower plate (3) is a substantially planar structure which comprises: - two outer longitudinal members (30) and two inner longitudinal members (31); - a set of cross members, including at least one front end cross member (32) and a rear end cross member (33), which join said outer (30) and inner (31) longitudinal members; - two treads (35) extending longitudinally each between an outer spar (30) and an inner spar (31) adjacent.
    [7" id="c-fr-0007]
    7. Pallet (1) according to any one of the preceding claims characterized in that the retaining means (24) are capable of blocking the sliding members before (19) and rear (20) at different heights along the main columns (6) and secondary posts (7) respectively, to adjust the altitude of the upper position of the upper plate (2).
    [8" id="c-fr-0008]
    8. Pallet (1) according to any one of the preceding claims characterized in that the upper plate (2) is a frame structure which defines a central space (8) empty.
    [9" id="c-fr-0009]
    9. Pallet (1) according to claim 6 characterized in that the front wheel carrier (12) is movable longitudinally to adjust its position relative to the rear wheel carrier (13).
    [10" id="c-fr-0010]
    10. Pallet (1) according to claim 6 characterized in that it comprises receiving means (53), adapted to cooperate with the fork (28) of a forklift truck (29) located at the level of the front end cross member (10) and / or the rear end cross member (11) of the upper deck (2), or at the outer side members (30) or inner side members (31) of the lower deck (3) , or at the crosspieces (32, 33, 34) of the lower plate (3), and in that these receiving means (53) are openings, tube support locations, pockets, tunnels, hollows, rings or handles (45, 57) hinged, collapsible or retractable.
    [11" id="c-fr-0011]
    11. Pallet (1) according to any one of the preceding claims characterized in that it further comprises crutches or roller feet (48), foldable or retractable, and deployable under the lower plate (3).
    [12" id="c-fr-0012]
    12. Pallet (1) according to any one of the preceding claims characterized in that the lower plate (3) comprises on the underside of the rollers, or sliding parts, or ski-shaped spars.
    [13" id="c-fr-0013]
    13. Pallet (1) according to claim 6 characterized in that it further comprises extensions (38), removable or collapsible or retractable, which, in the deployed position, constitute an extension of the treads (35) of the lower plate (3).
    [14" id="c-fr-0014]
    14. Pallet (1) according to any one of the preceding claims characterized in that it further comprises at least one longitudinal abutment member (50).
    [15" id="c-fr-0015]
    15. Pallet (1) according to any one of the preceding claims characterized in that, in flat folded configuration, it is stackable on other pallets (1) identical and in that it comprises centering projecting elements the automatic centering of an identical pallet (1) stacked on top.
    [16" id="c-fr-0016]
    16. A method of loading one or two vehicles (4) automobiles inside a container (49) for transport by means of a pallet (1) according to claim 6 characterized in that it comprises the following steps: - supply the pallet (1) in folded flat configuration and lay it on the ground; - Depositing the two main posts (6), or place them in an erect position to move the pallet (1) in partially unfolded configuration; - loading a vehicle (4) on the upper plate (2) by rolling it on the treads (35) of the lower plate (3) until its wheels (14) are arranged on the front wheel support (12) and the rear wheel support (13); immobilize the wheels (14) of this vehicle (4) on the corresponding front wheel (12) and rear wheel (13) supports, in the case where the two main poles (6) have been removed, place them in an upright position to moving the pallet (1) into a partially unfolded configuration; - push the loaded pallet (1) with a forklift (29) to the inside of the transport storyteller (49).
    [17" id="c-fr-0017]
    17. A method of loading according to claim 16 characterized in that, before the step of pushing the pallet (1) loaded with a forklift (29) to the fork inside the storyteller ( 49), it further comprises the following steps: - lifting the rear end cross member (11) of the upper plate (2) with the fork (28) of a forklift truck (29) sliding the rear sliding members (20) of the upper plate (2) along the main columns (6); - lock the rear end cross member (11) in the upper position by means of the retaining means (24) of the rear sliding members (20); - lift the front end cross member (10) of the upper plate (2) by means of the fork (28) of the forklift truck (29) by sliding the front slide members (19) of the upper plate ( 2) along the secondary posts (7) and thereby causing pivoting of said articulated secondary posts (7) which automatically straighten upon lifting of the front end cross member (10) and move from a lying position to a position trained; - lock the front end cross member (10) in the upper position by means of the retaining means (24) of the front slide members (19); - Loading a second vehicle (4) on the lower plate (3) of the pallet (1) which is in fully unfolded configuration, by rolling it on the treads (35) of the lower plate (3); immobilizing the wheels (14) of the second vehicle (4) on the lower plate (3).
    类似技术:
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    同族专利:
    公开号 | 公开日
    FR3046577B1|2019-07-05|
    WO2017118829A1|2017-07-13|
    EP3400183B1|2019-09-11|
    US20180370412A1|2018-12-27|
    EP3400183A1|2018-11-14|
    US10632894B2|2020-04-28|
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    CN102120520A|2011-04-08|2011-07-13|江西柯布克汽车技术股份有限公司|Double-layer car pallet|
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    法律状态:
    2017-01-27| PLFP| Fee payment|Year of fee payment: 2 |
    2017-07-14| PLSC| Search report ready|Effective date: 20170714 |
    2018-01-29| PLFP| Fee payment|Year of fee payment: 3 |
    2020-01-24| PLFP| Fee payment|Year of fee payment: 5 |
    2021-10-08| ST| Notification of lapse|Effective date: 20210905 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1650103A|FR3046577B1|2016-01-07|2016-01-07|FOLDING PALLET WITH TWO LEVELS OF LOADING|
    FR1650103|2016-01-07|FR1650103A| FR3046577B1|2016-01-07|2016-01-07|FOLDING PALLET WITH TWO LEVELS OF LOADING|
    EP17712181.1A| EP3400183B1|2016-01-07|2017-01-09|Pallet having nestable two-level loading structure|
    PCT/FR2017/050042| WO2017118829A1|2016-01-07|2017-01-09|Two-level pallet for stackable loading|
    US16/064,573| US10632894B2|2016-01-07|2017-01-09|Two-level pallet for stackable loading|
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