DE8420900U1 - Stackable pallet especially for heavy loads - Google Patents

Abstract

1. Stackable pallet, in particular for heavy loads, with an upper horizontal frame which is rectangular in plan form, four corner posts (1a, 1b, 1c, 1d), a pallet bottom (43) and two lower stiffening struts (3a, 3b) connecting in each case two corner posts in pairs, characterised by the following features : - the upper horizontal frame is formed by two longitudinal tubes (2a, 2b) and two cross tubes (6a, 6b) and is closed at all sides ; - the corner posts (1a, 1b, 1c, 1d) are arranged in the four corners of a rectangle having the longitudinal dimension X measured from outer edge to outer edge of two corner posts (1a, 1b) ; - the longitudinal tubes of the frame rest on two corner posts in each case ; - the cross tubes of the frame lie outside of the rectangle formed by the corner posts, the distance Y of the opposed inner edges of the cross tubes of the frame being larger than the longitudinal dimension X by a small tolerance rate (2 x DELTA1 ) ; - there is provided a troughlike receiving body (40) having a U-shaped cross section for the freight, this receiving body being open at the top and towards the longitudinal sides of the pallet and having a horizontal section (43) forming the bottom of the pallet, the receiving body being limited by vertical sections (42) at the transverse sides of the pallet ; - the maximum dimension of the receiving body in the longitudinal direction of the pallet is smaller than the distance Y of the opposed inner edges of the cross tubes of the frame by a small tolerance rate (2 x DELTA2 ) ; - the receiving body is dimensioned in such a manner that at the longitudinal sides there remains a space (41) relative to the longitudinal tubes of the frame of at least the width of a corner post ; - the receiving body is connected only at the upper ends of the vertical sections to the cross tubes of the frame.

Description

- 3 - 69/014

June 26, 1984

"Stackable pallet especially for heavy loads"

The present innovation relates to a stackable pallet especially for heavy loads with an im Floor plan rectangular upper horizontal frame, four corner posts, a pallet floor and two lower ones, each two corner posts connecting in pairs and parallel to the upper frame at the height of the pallet floor.

Such pallets are known in different variants and are used for example in stainless steel for Transport of frozen meat in trucks. These pallets usually have the standardized euro size of 120 cm Length and 100 cm width. When transporting goods in trucks with such Euro pallets, several Pallets are placed on top of one another in such a way that the corner posts of the upper pallets are on the corner posts rest on the lower pallet. Corresponding connecting elements are provided on the pallets which they are fixed in such a stacking position. When transporting frozen meat with stainless steel pallets are high demands on the load-bearing capacity of the pallets

»Tt ltd

• - 4 - '69/014

to deliver. For example, a pallet with 200 kg Loaded weight must, for example, with three pallets stacked on top of each other and loaded in this way, the bottom pallet already take a weight of over 600 kg. In addition, the loaded pallets, for example, when loading and unloading of a lorry are usually not set up very carefully or be deposited, but with the fork

/in
forklift can be brought into the desired position and then simply dropped from a certain height. This results in enormous stress on the pallets and corresponding wear.

This results in certain requirements for the construction of such stainless steel pallets, on the one hand with regard to the material thickness to be used and, on the other hand, with regard to the number of tubes to be used for frames, pallet bases and lateral limitation of the pallet storage space. Because of the high cost of materials when using of stainless steel results in the requirement to use as little material as possible to produce a range of to create high resilience.

All known pallets of the type mentioned can be stacked on top of each other, but have the disadvantage that they have a high space requirement when empty.

- 5 - '69/014

Be the storage one. larger number of empty pallets a large space is therefore required, its space could otherwise be used sensibly.

In order to reduce the space required by the empty pallets, the creation of an easily demountable pallet would be conceivable however, due to the high demands on the load-bearing capacity of the pallets, this is out of the question.

In contrast, the task of the present innovation is in the creation of a range of the type mentioned, which on the one hand can absorb high loads and can be manufactured inexpensively is, on the other hand, several pallets can be placed on top of each other for the transport of loads as well as when empty, several pallets can be nested one inside the other with little space requirement.

The solution to this problem results from a range with the features according to the main claim, the in the Features specified in subclaims relate to advantageous embodiments of the solution to the problem. At a such a pallet · the upper frame consists of two square tubes with the same cross-section, which are mitred are. The corner posts of the pallet are not arranged directly below the corners of this upper frame, but

4t I · «« ·· «» J

· <· 1 III ·

· At ·· ·· lilt ·

69/014

lie below the pipes on the long side and are offset inwards by about 5 more than a pipe width compared to the cross pipes. As a result, the cross tubes are outside the rectangle spanned by the 4 corner posts. Between the Qnerrohren a pallet is thus sufficient space to accommodate more other pallets uin the corner posts _s so multiple palettes into one another can be stacked. Two corner posts of the next higher pallet lie within the frame of the lower pallet on the inside of the longitudinal tubes, whereas the other two corner posts lie on the outside of the opposite longitudinal tube of the lower pallet. When empty pallets are stacked one inside the other, two pallets only take up exactly one frame tube width more space in height and one frame tube width more space in width compared to a pallet. Depending on the dimensions of a pallet, the choice of tube thickness and the number of intermediate struts used to limit the storage space, three, four or even more pallets can be stacked one inside the other and take up little more space than a single pallet. The pallets are also constructed in such a way that they meet the static requirements with regard to the high load-bearing capacity. For the pallet base, U-shaped tubes, which run parallel to the longitudinal frame and preferably have a somewhat smaller cross section than the frame tubes, are provided, with the upper ends of the

»Η»

- 7 - 69/014

Legs of the U-tubes spacers are provided so that the legs of the U-tubes opposite the inner edge of the cross tubes of the upper frame are slightly offset inwards, for

Example by one cm. This gives enough play when stacking two pallets, so that the legs of the U-tubes The upper pallet can easily fit between the cross tubes of the lower pallet, reducing the risk of tilting avoided when stacking one inside the other? will.

• ·. ϊ ι I

I · · * ·· · »V« ···
ItOIf · »· · * ' i show a front view of a stackable pallet according to - 8 - ■ 69/014 1 the innovation The following is a stackable pallet according to the innovation A side view in the direction of arrow II from FIG described in more detail with reference to the drawings. 2 Fig. 1 There a top view of a stackable pallet according to Fig. 3 the innovation in the direction of arrow III of Fig. 5 1 Fig. an enlarged side view of a U-shaped 4th Rohres after the innovation Fig. a front view of three stacked one inside the other 5 Pallets according to the innovation 10 a side view of three pallets in the direction of the Fig. 6th Arrow VI of FIG. 5 a front view of two stacked one on top of the other Fig. 7th Pallets according to the innovation. G. 1 and 3 shown comprises a pallet 15th Fig. in Fi Innovation 4 corner posts facing towards the the are referred to as 1a, 1b, 1c, 1d, Fig. Clock hands As 20th after

♦ · ■ · · · Il ti

t ti ■ «I 4 Il t

»Rf« * * * · ■ · (Il i

tt * * tf I t

ι ■ ■ · * t »4«

I · ft · * · · ♦ IO «1»

69/014

Furthermore, an upper rectangular frame consisting of the longitudinal tubes 2a and 2b and the transverse tubes 6a and 6b, which are opposite one another and are connected at the frame corners by a miter joint 11. The corner posts 1a, 1b, 1c, 1d each lie under the longitudinal tubes 2a, 2b and are connected to them, but are offset inwardly by approximately 10 mm more than one tube thickness compared to the transverse tubes 6a, 6b. With a pipe thickness of 40 mm, the distance between the outer boundary of the corner post and the outer edge of the transverse pipes 6a, 6b is approximately 50 mm.

On the inner surface of the cross tubes of the upper frame are essentially U-shaped tubes 7 with preferably square ones Cross-section of 30 mm at a regular distance from one another parallel to the longitudinal tubes 2a, 2b of the frame continuously welded. Horizontal sections 8 of the U-shaped tubes 7 form the pallet floor and vertical sections Legs 7a, 7b of the U-tubes delimit the storage space of the pallet on the transverse sides like a grid. As can be seen in FIG the U-tubes 7 are somewhat widened at the upper leg ends of the legs 7a, 7b. Through these spacers 9 at the upper leg ends is achieved that the outer edges of the legs 7a, 7b by, for example, 10 mm are offset inwardly relative to the inner edges of the cross tubes 6a, 6b. In this way, the interlocking

• · .111 · Y YY Y

69/014

stack several pallets between the legs 7a, 7b the upper pallet and the cross tubes 6a, 6b of the frame of the lower pallet each have 10 mm clearance, which means that they are stacked one inside the other of the pallets and removing the upper pallets again is made easier.

As can be seen from Fig. 1, several pallets are stacked on top of the corner posts 1a, 1b, 1c, 1d, respectively cylindrical cams 4 welded on, the eggs overlying when stacking cylindrical recesses 5 in the feet Pallet.

At the level of the horizontal sections 8 of the U-tubes formed pallet floor are the corner posts 1a, 1b by a longitudinal strut 3a and the corner posts 1c, 1d by a Join the longitudinal spar 3b of the tube thickness of the frame tubes with one another. On the long sides of the pallet, like In Fig. 1 additional vertical intermediate struts 14 for stiffening and shown at regular intervals from one another lateral delimitation of the pallet may be provided.

In Fig. 5 three nested pallets are after the Innovation shown in a front view. The longitudinal tubes of the upper frame are designated by 12a, 22a, 32a, the corner posts are labeled 11a, 11b, 31a, 31b, and the longitudinal bars are at the level of the pallet floor

t * · Il H Il M Il

4. 4 · · Il * t Jl | VI

t · * »Il Il Il Il I

• ·! · ■ * I I I IMI Il I

■ * * I Il I I I I I

I «* ItH H M *» ti

• «I * M * b» Jl · · ·

ί · »* ti « · · · ι ι ι

fs

- 11 -

69/014

are denoted by 13a, 23a, 33a. In the illustrated embodiment is a novelty Pallet with the Euro dimensions length 120 cm and width 100 cm and a total of 6 U-tubes each shown. The in Fig. 6 visible vertical legs of the U-tubes are denoted by 17a, 27a, 37a, and the frame tubes on the transverse sides the pallets are denoted by 16a, 26a, 36a. In the embodiment shown, the scale 10; 1 is shown, and in which the frame tubes and the posts have a tube cross-section of 4 cm, whereas the U-tubes have a tube cross-section of 3 cm, a total of 3 pallets can be stacked one inside the other. the The 2nd pallet is offset from the 1st by a tube width of 4 cm upwards and to the side, the 3rd pallet is then opposite the 2nd again by one pipe width upwards and by one pipe width to the other Offset to one side. Due to the staggered stacking lie

to the left of the longitudinal tubes of the frame 32a, 32b of the 3rd pallet ν den Longitudinal tubes 12a, 12b of the first pallet, whereas the longitudinal tubes 22a, 22b of the 2nd pallet to the right of the longitudinal tubes 12a, 12b of the 1st pallet are. This alternating staggering results in an even weight distribution achieved.

In Fig. 7, two stacked pallets are shown according to the innovation. The upper frame tubes to the

I It t · 4 f * 4 * · ♦ ·

tilt · · · t · t

t O D I < ·· · Ci) *

- 12 -

69/014

Long sides of the pallets are again designated by 12a, 22a, the lower longitudinal bars are denoted by 13a, 23a. On the corner posts 11a, 11b, there is one each cylindrical cam 4 welded on, which of a likewise cylindrical recess 5 in the feet of the corner ^ post 21a, 21b of the upper pallet is received.

relation oak list

1a Post, front right 21a 1b Front left post 21b 1c Post, rear left 22a 1d Post, rear right 23a 1e Outside boundary of the corner post 26a 2a Longitudinal tube, in front 27a 2 B Longitudinal tube, rear 31a 3a Longitudinal strut, below 31b 3b Longitudinal strut, below 32a 4th cam 32b 5. Recess * 33a 6a Cross tube 36a 6b Cross tube 37a 7th U-shaped tube 7a vertical leg 7b vertical leg 8th. horizontal section 9. Spacer 10. palette 11th Joints 11 a Post (lowest pallet) 11b Post (lowest pallet) 12a Longitudinal tube (lowest pallet) 13th Inner edge (cross tube) 14th vertical intermediate struts 16a Cross tube (lowest pallet) 17a vertical leg

Post (middle pallet) Post (middle pallet) Longitudinal tube (middle pallet Longitudinal spar (middle pallet Cross tube (middle pallet) vertical leg Post (upper pallet) Post (upper pallet) Longitudinal tube (upper pallet) Longitudinal tube (upper pallet) Longitudinal spar (upper pallet) Cross tube (upper pallet) vertical leg (upper pallet ")

Claims (3)

Jose Steenhaut 26. Schwiedinghauser Str. 10 69/014 Arnsberg 1 claims for protection 1. Stackable pallet especially for heavy loads, with a rectangular upper horizontal frame, four corner posts, a pallet floor and two lower ones, In each case two corner posts are connected in pairs and parallel to the upper frame Height of the pallet floor, characterized by the following features: - For the upper rectangular horizontal frame there is a tube on each long side of the pallet (2a, 2b) with a rectangular cross-section and a tube (6a, 6b) on each transverse side of the pallet equally large rectangular cross-section is provided, the tubes (2a, 6a, 2b, 6b) at the corners of the upper Frame each other under miter (11), - As corner posts (1a, 1b, 1c, 1d) are tubes with the same rectangular cross-section as the frame tubes each connected to the longitudinal tubes (2a, 2b) and below the longitudinal tubes opposite the inner edge (13) the cross tubes (6a, 6b) by at least one tube width ^: ii ii 69/014 offset inside so that the cross tubes (6a, 6b) lie outside the rectangle formed by the corner posts, - · On the inner surface of the cross tubes (6a, 6b) are several one below the other at regular intervals parallel, in the direction of the longitudinal tubes (2a, 2b) running, in plan, U-shaped tubes (7 »with lesser rectangular cross-section as the frame tubes welded, with horizontal sections (8) of the U-tubes (7) form the pallet base and vertical legs (7a, 7b) of the U-tubes (7) by spacers (9) are offset slightly inward at the leg ends opposite the cross tubes (6a, 6b) of the frame. 2. Stackable pallet according to claim 1, characterized in that the top of the corner posts (1a, 1b, 1c, 1d) cylindrical cams (4) are arranged, which in the Stapelunc the pallets of correspondingly large cylindrical recesses (5) in the feet of the corner posts (1a, 1b, Ic, 1d) of the pallet arranged above. 3. Stackable pallet according to claim 1, characterized in that additional stiffening with the upper Cross tubes (2a, 2b) of the frame and the lower cross members (3a, 3b) connected vertical intermediate struts (14) are provided on the two long sides of the pallet.