EP3974335A1 - Porte-charge - Google Patents

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Publication number
EP3974335A1
EP3974335A1 EP20197670.1A EP20197670A EP3974335A1 EP 3974335 A1 EP3974335 A1 EP 3974335A1 EP 20197670 A EP20197670 A EP 20197670A EP 3974335 A1 EP3974335 A1 EP 3974335A1
Authority
EP
European Patent Office
Prior art keywords
load carrier
side wall
wall
floor
carrier according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20197670.1A
Other languages
German (de)
English (en)
Other versions
EP3974335B1 (fr
Inventor
Vitali Gelwer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Transport und Lagerbehaelter & Co Kg GmbH
Original Assignee
Schneider Transport und Lagerbehaelter & Co Kg GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schneider Transport und Lagerbehaelter & Co Kg GmbH filed Critical Schneider Transport und Lagerbehaelter & Co Kg GmbH
Priority to PL20197670.1T priority Critical patent/PL3974335T3/pl
Priority to ES20197670T priority patent/ES2939263T3/es
Priority to EP20197670.1A priority patent/EP3974335B1/fr
Publication of EP3974335A1 publication Critical patent/EP3974335A1/fr
Application granted granted Critical
Publication of EP3974335B1 publication Critical patent/EP3974335B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/02—Rigid pallets with side walls, e.g. box pallets
    • B65D19/06—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components
    • B65D19/08—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components made wholly or mainly of metal
    • B65D19/10—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components made wholly or mainly of metal of skeleton construction, e.g. made of wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/02—Rigid pallets with side walls, e.g. box pallets
    • B65D19/06—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components
    • B65D19/08—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components made wholly or mainly of metal
    • B65D19/12—Collapsible pallets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00263—Overall construction of the pallet
    • B65D2519/00273—Overall construction of the pallet made of more than one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00323—Overall construction of the base surface made of more than one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00328—Overall construction of the base surface shape of the contact surface of the base
    • B65D2519/00338—Overall construction of the base surface shape of the contact surface of the base contact surface having a discrete foot-like shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00492—Overall construction of the side walls
    • B65D2519/00502—Overall construction of the side walls whereby at least one side wall is made of two or more pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00492—Overall construction of the side walls
    • B65D2519/00512—Overall construction of the side walls skeleton type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00577—Connections structures connecting side walls, including corner posts, to each other
    • B65D2519/00582—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable
    • B65D2519/00611—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable side walls maintained connected to each other by means of auxiliary locking elements, e.g. spring loaded locking pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00636—Connections structures connecting side walls to the pallet
    • B65D2519/00641—Structures intended to be disassembled
    • B65D2519/00646—Structures intended to be disassembled by means of hinges
    • B65D2519/00656—Structures intended to be disassembled by means of hinges separately formed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/00776—Accessories for manipulating the pallet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/00805—Means for facilitating the removal of the load
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/00865—Collapsible, i.e. at least two constitutive elements remaining hingedly connected
    • B65D2519/00875—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible side walls
    • B65D2519/009—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible side walls whereby all side walls are hingedly connected to the base panel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/00865—Collapsible, i.e. at least two constitutive elements remaining hingedly connected
    • B65D2519/00875—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible side walls
    • B65D2519/009—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible side walls whereby all side walls are hingedly connected to the base panel
    • B65D2519/00905—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible side walls whereby all side walls are hingedly connected to the base panel and one or more side walls being foldable along a median line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/00935—Details with special means for nesting or stacking
    • B65D2519/00955—Details with special means for nesting or stacking stackable
    • B65D2519/0096—Details with special means for nesting or stacking stackable when empty
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/00935—Details with special means for nesting or stacking
    • B65D2519/00955—Details with special means for nesting or stacking stackable
    • B65D2519/00965—Details with special means for nesting or stacking stackable when loaded
    • B65D2519/00975—Details with special means for nesting or stacking stackable when loaded through the side walls

Definitions

  • the present invention relates to a load carrier with a floor, a front wall, a rear wall, a left-hand side wall and a right-hand side wall, in which at least one side wall can be moved relative to the floor.
  • load carriers are used to store and transport packaged or unpackaged goods. They are usually handled with a forklift and are designed for a load weight of several hundred kg. If the side walls, the front wall and the rear wall are formed by grids, such load carriers are also often referred to as "grid boxes”.
  • the object of the invention is to be able to store and transport empty load carriers in a simple manner.
  • the spring assembly generates a righting moment that is less than a moment generated by the sidewall at a predetermined angle of at least 60° between the sidewall and the floor.
  • the spring assembly is unable to raise the sidewall from the position in which it is laid on the floor to the upright position.
  • a further force is required here, which can be applied, for example, by an operator.
  • the spring arrangement does not hold the side wall in the upright position, in which it is perpendicular to the floor, until an operator has nearly fully erected the side wall.
  • the spring arrangement can have, for example, one or more torsion springs, which are arranged between the floor or a part connected to the floor and the side wall. The spring arrangement therefore does not prevent the side wall from being placed on the floor. However, it supports an operator when raising the side wall, so that the operator can work with less effort.
  • the side wall is pivoted in at least one corner guide projecting above the floor and having a top end remote from the floor and a bottom end, the corner guide having a first stacking geometry at the top end and a second stacking geometry at the bottom end constituting the first stacking geometry is complementary, and the first stack geometry has a protrusion on the side facing the front wall.
  • the second stack geometry has a recess on the side facing the front wall. If several empty load carriers are stacked on top of each other, then the second stacking geometry of an upper load carrier engages with the first stacking geometry of a lower load carrier. If this engagement is on both side walls, then this engagement prevents the corner guides from splaying outward when such a stack of empty carriers is lifted. The upper load carrier thus comes into positive engagement with the lower load carrier. This ensures that a larger number of load carriers, for example five or more, can be stacked and transported.
  • the side wall is preferably mounted in the corner guide via a bolt which is at a predetermined distance from the floor. In this way it is possible to place the front wall and the rear wall on the floor before the side wall is laid down on the floor.
  • the first side wall can then be laid down approximately parallel to the floor.
  • the second Sidewall can then be placed on top of the first sidewall. If the bolts of both sidewalls are the same predetermined distance from the ground, then the second sidewall will have a slight but acceptable slope.
  • At least one corner guide forms an outward pivot limit for the side wall.
  • the at least one corner guide preferably has a deformable tab with which a pivoting range for the side wall can be adjusted. This is particularly advantageous when the corner guide is welded to the floor. When welding two parts, small tolerances can only be maintained to a certain extent. There is therefore a risk that the corner guide will allow the side wall to be pivoted beyond the position perpendicular to the floor. Even if this deviation from the vertical position were only a few degrees, it could have a negative effect on the stacking behavior of the charge carriers.
  • the tab can then be individually deformed for each load carrier in such a way that it forms a stop in which the side wall is perpendicular to the floor with sufficient accuracy is aligned.
  • the tab can be formed, for example, by making an H-shaped punch in the corner guide.
  • the corner guide preferably protrudes above the floor by a length which is greater than the sum of a height of a foot arranged on the underside of the floor and a height determined by the side wall folded in on the floor. If necessary, you must also add the height determined by the folded-in front wall and the folded-in rear wall. With such a configuration it is achieved that when empty load carriers are stacked, the force is transmitted from an upper load carrier to a lower load carrier only via the corner guide. The foot then has no force-transmitting contact with a collapsed side wall.
  • the foot preferably has at least one outer side which forms an angle greater than 90° with the bottom.
  • the foot is thus “tapered", which facilitates the threading of a top load carrier into a position in which the corner guide of the top load carrier engages with the corner guide of a load carrier located below.
  • the side wall is arranged between a corner guide and the front wall on the one hand and between a corner guide and the rear wall on the other hand.
  • the front wall and the rear wall then prevent the side wall from being able to fold down towards the floor again if a weight force is exerted on the side wall, which is the case, for example, when stacking a plurality of load carriers.
  • the front wall and/or the rear wall has a resilient latch which snaps into a recess on the side wall when the front wall and/or rear wall is in an upright position, the resilient latch being arranged in a tube.
  • the tube protects the bolt.
  • the locking bar only protrudes from the tube with a small section, which is necessary in order to be able to snap into the recess. If necessary, this section can also be covered by an extended wall of the pipe, so that the bolt is at least largely protected from the effects of the weather.
  • the tube preferably forms a termination of the front wall or the rear wall facing away from the floor. This has the positive effect that the front wall or the rear wall and the side wall are connected by the resilient bolt and the recess at the upper end of the front wall or the rear wall, resulting in a very stable construction.
  • the resilient latch has an actuating projection that protrudes from the tube.
  • the actuating projection can, for example, protrude downwards out of the tube, with the tube having an opening on its underside for this purpose.
  • the actuating projection is thus also largely protected against the effects of the weather. Operation of the resilient latch by an operator is kept simple.
  • the front wall, the rear wall and the two side walls are preferably pivotally connected to the floor, with the front wall, the rear wall and the two side walls being accessible from the side of the load carrier on which the front wall is arranged.
  • This keeps both the collapsing of an empty load carrier and the erection of the walls of an empty load carrier simple.
  • the operator can access all walls from one side. If an empty load carrier is to be brought into a state in which it can receive goods, the side walls are folded up first. They are held in their upright position by the spring arrangement. The operator can then fold up the rear wall and connect it to the side walls. After that she can Front wall can be folded up and connected to the side walls. Folding the load carrier is just as easy.
  • the side walls remain erected by the spring arrangement until they are also folded down onto the floor by the operator. As soon as the side walls have fallen below the predetermined angle, the weight of the respective side wall means that the side wall can be placed on the floor or on the front wall or rear wall that has already been placed on the floor.
  • the side walls each have two corner columns which are connected to one another by a crossbeam at their end facing away from the floor, the crossbeam forming a contact area which is delimited by a projection at least in the region of its corners on the outside of the load carrier.
  • the contact area can be used to place another load carrier here.
  • the load carrier 1 shown has a base 2, a front wall 3, a rear wall 4, a left side wall 5 and a right side wall 6.
  • the front wall 3 is divided in two and has a lower part 7 and an upper part 8 which are connected to one another via hinges 9 .
  • the lower part 7 of the front wall 3 is connected to the floor 2 by means of hinges 10 .
  • the rear wall 4 is also connected to the base 2 via hinges in a manner that is not shown in detail.
  • the load carrier 1 can be placed on a floor or the like with the feet 11-13. The feet 11-13 then cause a free space under the floor 2, in which a forklift or other lifting device can enter with its fork or with a lifting device.
  • a load carrier which can also be referred to as a "lattice box" due to the lattice structure of the walls 3-6, is used for storing and transporting packaged or unpackaged goods that can be stored in the area above the floor 2, which extends from the front wall 3, the rear wall 4 and the two side walls 5, 6 is delimited.
  • the load carrier 1 is designed to accommodate goods with a mass of at least 100 kg.
  • the floor 2 is provided with corner guides 14, 15, 16 at its four corners.
  • a fourth corner lead is in 1 not visible.
  • the left side wall 5 is pivotably mounted in a left corner guide 14 (the other left corner guide is not visible).
  • the right side wall 6 is pivoted in the right corner guides 15,16. Since the two side walls 5, 6 are mounted in the same way, the following explanation is based on the example of the left side wall 5.
  • the left side wall 5 is pivoted by means of bolts 17 which are arranged in the corner guides 14 .
  • the bolts 17 are at a certain distance from the floor 2 parallel to the longitudinal extent of the corner guide 14. This means that when the load carrier 1 is folded up, the front wall 3 and the rear wall 4 can be placed on the floor and the left-hand side wall 5 can be placed on the laid-down rear wall can be and still can be approximately parallel to the floor 2.
  • Each corner guide 14 is provided with a spring 18 which is designed, for example, as a torsion spring.
  • the spring 18 is supported with one leg 19 on an inside of the corner guide 14 and with another leg 20 on a corner column 21 of the left side wall 5, which can be designed as a tube, for example a square tube.
  • the spring 18 acts on the left side wall 5 with a moment that is directed in the direction of increasing an angle between the side wall 5 and the bottom 2 .
  • the spring 18 is dimensioned such that it cannot erect the left side wall 5 when the left side wall 5 is placed on the floor 2 or on the front wall 3 and the rear wall 4 already lying on the floor 2 . However, it makes it easier to erect the left side wall 5. If the side wall 5 has been erected far enough, then the lever is between the center of mass of the left side wall and a pivot axis formed by the bolt 17 is so small that the moment exerted by the center of mass is smaller than the moment exerted by the spring 18 in the opposite direction, so that the spring 18 moves the side wall 5 into the upright position Position moved in which it is perpendicular to the ground 2.
  • the angle that the left side wall 5 must enclose with the base 2 so that the spring 18 ultimately fully erects the left side wall 5 is at least 60°, preferably at least 75° and particularly preferably at least 85°.
  • the corner guide 14 forms a stop and thus a pivot limit for the left side wall 5 to the outside.
  • the spring 18 can therefore pivot the left side wall 5 no further than is made possible by the corner guide 14 .
  • each corner guide 14-16 has a tab 22 which is formed, for example, by an H-shaped punching.
  • This tab 22 can be deformed to form a stop in which the corresponding side wall 5, 6 is aligned perpendicular to the base 2 with sufficient accuracy. This makes it possible to weld the corner guides 14-16 to the floor 2 and still allow relatively small tolerances.
  • the left side wall 5 has, in addition to the corner pillar 21 which is adjacent to the front wall 3, a second corner pillar 23 which is adjacent to the rear wall 4.
  • the two corner columns 21, 23 are connected by a cross member 24, which forms a contact surface 25, which is limited to the outside, ie to the outside of the load carrier 1, by a projection 26.
  • Another load carrier can be placed on the contact area 25, so that several load carriers 1 can be stacked, even in the filled state.
  • FIG. 3 shows schematically in an enlarged view how to connect the front wall 3 to the left side wall 5.
  • the left side wall 5 has a locking element 27 with a recess 28 .
  • the locking element 27 has a beveled front side.
  • a resilient latch 29 can engage in this recess 28 when the front wall 3 is folded up.
  • the bolt 29 is guided in a tube 30 .
  • the tube 30 forms an upper end of the front wall 3, more precisely an upper end of the upper part 8 of the front wall 3.
  • a corresponding arrangement with a tube 32 in which a corresponding bolt is arranged in a manner not shown is provided for the rear wall 4 .
  • the bolt can be brought into engagement with a recess on one side wall 5, 6 in each case.
  • FIG 4 shows schematically a stack of a folded load carrier 1, in which the left side wall 5 and the right side wall 6 are folded on the floor 2.
  • a load carrier is located above it, the corner guides 14, 15 of the two load carriers having been brought into engagement with one another.
  • a weight force is transferred from the upper load carrier to the lower load carrier exclusively via the corner guides 14, 15.
  • the corner guide 15 protrudes over the floor 2 by a length that is greater than the sum of a height of a foot 12 arranged on the underside of the floor 2 and a height that is defined by the walls folded in on the floor, namely the front wall 3, rear wall 4 and side walls 5, 6 is determined. Accordingly comes the foot 12 of the upper one Charge carrier not in force-transmitting contact with the side wall 6 of the lower charge carrier.
  • FIG 12 shows in perspective a somewhat enlarged view of the corner guides 15 of the two load carriers before the moment they are brought into engagement with one another.
  • the corner guide 15 has a first stacking geometry 33 on its upper side, ie on the side facing away from the floor 2 . Furthermore, it has a second stack geometry 34 at the other end.
  • the two stack geometries 33, 34 are designed to complement one another, ie the second stack geometry 34 of the upper charge carrier fits exactly into the first stack geometry 33 of the lower charge carrier.
  • the first stack geometry 33 On the side which runs parallel to the front wall 3, the first stack geometry 33 has a projection 35 which is adjacent to the front wall 3 and a recess 36 which is arranged on the outside on the side facing away from the front wall 3. A corresponding projection 37 and a corresponding recess 38 is arranged on the side which runs parallel to the right-hand side wall 6 .
  • the second stack geometry has a projection 39 which engages with the recess 36 and a recess 40 in which the projection 35 of the first stack geometry 33 engages.
  • the second stacking geometry 34 prevents the upper end of the corner guide 15 from being able to shift outwards.
  • a situation can occur when a forklift or other lifting tool reaches under the floor 2 and lifts the collapsed load carrier with load carriers above it.
  • the combination of the two stacking geometries 33, 34 prevents such a situation, i.e. an increase in the distance between the upper ends of the corner guides 14, 15, which can also be referred to as "spreading" the corner guides 14, 15, so that the stack of several load carriers cannot collapse.
  • the feet 11, 12 have outer sides 41, 42 which enclose an angle greater than 90° with the floor 2. This makes it easier to engage the corner guides 15 of stacked load carriers.
  • An operator 43 first releases the lock between the upper part 8 of the front wall 3 and the corner columns 21 of the two side walls 5, 6 and folds this part 8 forward ( Figure 7b ). After that, the front wall 3 can be placed on the floor 2 ( Figure 7c ). Since the front wall 3 is no longer in the way, the operator 43 has access to the rear wall 4. The operator 43 can now release the lock between the rear wall 4 and the side walls 5, 6 and also place the rear wall 4 on the floor 2 ( Figure 7d ). The operator 43 can then swivel the two side walls 5, 6 onto the rear wall 4 and place them there, so that the end result is an arrangement that is shown in side view in FIG 4 is shown.
  • the "construction" of the load carrier takes place in reverse order.
  • the operator first erects the two side walls 5, 6, with relatively little force being required for this erection because the erection is supported by the spring arrangement formed by the springs 18.
  • the operator 43 can then erect the rear wall 4 and lock it to the side walls 5,6.
  • the operator 43 can fold up the lower part 7 of the front wall 3, the lower part 7 coming to rest against stops 44 provided on the corner columns 21.
  • the operator folds the top part 8 of the front wall 3 into the upright position and locks it to the side walls 5, 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Pallets (AREA)
EP20197670.1A 2020-09-23 2020-09-23 Porte-charge Active EP3974335B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL20197670.1T PL3974335T3 (pl) 2020-09-23 2020-09-23 Ładunkowa konstrukcja nośna
ES20197670T ES2939263T3 (es) 2020-09-23 2020-09-23 Portacargas
EP20197670.1A EP3974335B1 (fr) 2020-09-23 2020-09-23 Porte-charge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20197670.1A EP3974335B1 (fr) 2020-09-23 2020-09-23 Porte-charge

Publications (2)

Publication Number Publication Date
EP3974335A1 true EP3974335A1 (fr) 2022-03-30
EP3974335B1 EP3974335B1 (fr) 2022-12-14

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ID=72643978

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EP20197670.1A Active EP3974335B1 (fr) 2020-09-23 2020-09-23 Porte-charge

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Country Link
EP (1) EP3974335B1 (fr)
ES (1) ES2939263T3 (fr)
PL (1) PL3974335T3 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9303743U1 (fr) * 1993-03-13 1993-05-13 Freimuth Gmbh, 5948 Schmallenberg, De
JP2000053132A (ja) * 1998-08-05 2000-02-22 Daifuku Co Ltd 物品収納具
WO2003018412A1 (fr) * 2001-08-30 2003-03-06 Korea Corp. Co., Ltd. Palette assemblee destinee a des matieres en caoutchouc
US20060120820A1 (en) * 2004-12-08 2006-06-08 Bradford Company Collapsible container with dunnage erection biaser
WO2006063775A1 (fr) * 2004-12-14 2006-06-22 Manfred Steigerwald Conteneur de transport et de stockage repliable
DE202007015661U1 (de) * 2007-11-08 2009-03-19 Steigerwald, Manfred Transport- und Vorratsbehälter
AU2013100528A4 (en) * 2013-04-16 2013-05-23 Loscam Australia Pty Ltd A Container

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9303743U1 (fr) * 1993-03-13 1993-05-13 Freimuth Gmbh, 5948 Schmallenberg, De
JP2000053132A (ja) * 1998-08-05 2000-02-22 Daifuku Co Ltd 物品収納具
WO2003018412A1 (fr) * 2001-08-30 2003-03-06 Korea Corp. Co., Ltd. Palette assemblee destinee a des matieres en caoutchouc
US20060120820A1 (en) * 2004-12-08 2006-06-08 Bradford Company Collapsible container with dunnage erection biaser
WO2006063775A1 (fr) * 2004-12-14 2006-06-22 Manfred Steigerwald Conteneur de transport et de stockage repliable
DE202007015661U1 (de) * 2007-11-08 2009-03-19 Steigerwald, Manfred Transport- und Vorratsbehälter
AU2013100528A4 (en) * 2013-04-16 2013-05-23 Loscam Australia Pty Ltd A Container

Also Published As

Publication number Publication date
PL3974335T3 (pl) 2023-06-05
EP3974335B1 (fr) 2022-12-14
ES2939263T3 (es) 2023-04-20

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