DE2909541A1 - Stackable plastic pallet - with offset lines of hollow feet for space saving - Google Patents

Abstract

Pallets, made as a one-piece injection moulding, have a closed cover and hollow feet, arranged in three parallel lines. Four long feet and two short feet (the latter at the ends) are arranged in each line, offset one against the other. The two short feet end flush with the pallet edge and have a square cross-section. The short feet have a C-shaped section and the long feet have an E-shaped section, and the pref. length ratio of short to long feet is 1:2. When such pallets are stacked with the feet facing each other, they form a compact stalk of about half the height of the total pallet height and require only the same floor space as one pellet.

Description

Palette"

The invention relates to a plastic made by malleable shaping, in particular injection molding, one-piece, stackable plate, of which Brace the underside of at least two runners-forming rows of hollow feet running along two edge sides facing away from each other are arranged.

Such pallets, also called stacking plates, are loading racks for the transport, stacking and storage of all kinds of piece goods, in particular in connection with trackless floor conveyors, such as pallet trucks or forklifts.

In the case of a range of the type described at the beginning known from practice the hollow feet are conically tapered towards the bottom and designed as bowls open at the top, so with empty, stacked pallets the feet of the upper pallet into those on the Can engage the upper side of the lower pallet opening feet.

This allows space-saving stacking with little material expenditure empty pallets can be achieved, but such pallets leave an orderly and location secure arrangement of such General cargo not to, their Base area smaller than the clear width of the hollow opening into the pallet ceiling Feet are.

Also known wooden pallets with massive runners is this disadvantage is excluded.

On the other hand, these pallets have, among other things, the disadvantage that they are more space-saving Stacking of empty wooden pallets, with the pallet bottoms of a pair of pallets facing each other, the one pallet opposite the other pallet by the thickness a skid protrudes laterally, so that such a pallet stack a larger Footprint as a single, similar pallet.

Therefore, such pallets are unsuitable for use in containers, whose base area is a whole multiple of the base area of one in the dimensions standardized pallet.

The object of the invention is now as initially described for a pallet Type with lower material expenditure than with wooden, massive pallet options for the secure storage of piece goods with opposite the clear cross-section the hollow feet to create a smaller footprint.

However, space-saving and positionally secure stacking should also be used empty pallets are possible vertically on top of each other.

The solution to this problem is characterized by the union the following feature a. the pallet ceiling is designed to be closed, b. the feet are in each row transversely to the longitudinal extension of the latter at least around their longitudinal axis to the row right-angled extension arranged alternately offset, and c. each The foot of one row arranged close to the edge is remote from the edge in the other row arranged foot opposite.

This has the advantage that now when stacking empty pallets, wherein the pallet bottoms of a stacked pair of pallets facing each other are, the feet of one pallet in the gaps between the feet of the other pallet can intervene so that the edge parts of the pallets are exactly perpendicular to each other stand, so that such a stack of pallets only has a footprint of the same size as requires a single pallet.

In this way, a so-called double-deck pallet can also be made higher Establish load-bearing capacity, with only those stacked as described above, each other Pallets of the same type have to be connected to one another, e.g. with glue, without that otherwise additional funds or measures are required.

The above-described design of the pallet allows its feet to achieve a high level of stability with little material expenditure, pipe troughs or to profile web-shaped.

There is also a requirement with regard to the positionally secure arrangement of General cargo with a small footprint on the pallet with full utilization of space.

So that the pallet is as high as possible in the area of its corners between the rows of feet can be loaded, it is advantageous if the width and the depth of at least approximately the feet arranged at the pallet corners are formed the same, while the feet arranged between the corner feet each Row each has a larger, in particular double or even larger width than that Can have corner feet.

A particularly advantageous, inventive further development of the above The object is characterized in that the feet have a molded base plate have and that laterally open mold core engagement openings are arranged in the feet are.

In this way one obtains a one-piece made of plastic Pallet, the pallet ceiling of which can be made completely closed, above but also has large feet that have lower surface pressures than so far guaranteed.

A preferred, very stable embodiment is characterized for this in that at the edge of the pallet an annularly closed downward targeting one Frame is formed and that at the feet arranged near the edge of a row the mouths of the shaped engagement openings are directed towards the other row of feet are, while the mandrel engagement openings are in the feet remote from the edge aim at the adjacent pallet edge, preferably also the one arranged near the edge Feet with the outside of the pallet Flush with the frame are arranged.

Another advantageous one that improves stacking security Design of the above-described object is that at the top a stacking frame is arranged on the pallet ceiling, each frame leg in a plurality of consecutively arranged, mutually identical, alternately raised respectively deeply arranged zones is dissolved.

An independent invention for solving the problem set at the beginning is characterized by a closed pallet ceiling and with the same center distance mutually arranged tubular profiled feet that are open at the bottom and mutually although they have similar but alternately differently dimensioned cross-sections and are arranged so that a foot with a large cross-section a foot with a small, slightly compared to the clear cross-section of a foot with a large cross-section reduced cross-section follows and that one row of feet with a foot of large cross-section the other row of feet, however, begins with a foot of small cross-section.

The feet are preferably profiled in the shape of a circular ring.

One variant is characterized by a square profile Tube feet, with or in the same direction as the neighboring feet. running parallel arranged cross-sectional sides.

Embodiments of the inventions are disclosed in the drawings and are explained in more detail below.

They show: FIG. 1 a pallet seen from below, FIG. 2 the same in section 11-11, FIG. 3 likewise in section III-III, FIG. 4 a so-called Double-deck pallet seen along the line IV-IV, Fig. 5 shows a part of a Pallet in plan view, FIG. 6 is an enlarged view of the same in section VI-VI, Fig. 7 a further pallet seen from below, Fig. 8 two of these to one Double-deck pallet of assembled pallets in cross section.

All the exemplary embodiments made of plastic by injection molding Pallets produced in one piece are each a closed pallet ceiling 1 together, from the bottom three respectively. brace two row feet 2, of which two rows each along two edges facing away from each other and the third row are arranged centrally between the latter.

In the pallet shown in Figures 1-6, the feet 2 are each Row alternately offset from one another, the degree of this offset corresponds to at least the depth 3 of the feet 2.

Furthermore, the feet 2 are arranged from row to row so that when a from the Fig. 4 apparent stacking of two similar pallets the feet 2 of the engage a pallet in the gaps between the feet 2 of the other pallet.

To in the corner areas of the pallet where the feet 2 from the longitudinal Edge of the pallet are arranged offset inwards by the foot depth 3, if possible To obtain small, unsupported panels, the width 4 of the corner feet 2 corresponds equal to their depth 3, while those arranged between the corner feet of each row Feet have a greater width.

Base plates 5 are formed on all feet 2.

In order to be able to make these feet 2 hollow with little material expenditure, have these laterally opening out mold core engagement openings 6, which from foot to foot in each row are alternately opposite to each other, with those with the pallet edge Flush feet, the mold core engagement opening to the inside aims.

In the wide feet, upright support walls 7 are formed.

In order to achieve an even greater load-bearing capacity, it is advantageous for Berner to when on the underside of the pallet ceiling 1 in particular longitudinal and transverse Stiffening ribs as well as one provided on the edge of the pallet and bracing downwards ring-shaped closed frame are formed.

At the top of the pallet ceiling 1, which, as can be seen from FIG. 6, is designed to be wavy, a stacking frame is arranged around the edge of the pallet integrally formed, the one in a plurality arranged backwards, of equal length, alternating sublime resp. recessed zones 8 and 9 is resolved, which are formed and are arranged as shown in Fig. 6 with stacked pallets, wherein the tops of two pallets of the same type facing each other are, the raised zones 8 engage positively in the recessed zones 9 and thus secure the stacked pallets against shifting sideways.

In the pallet shown in Figures 7 and 8, all feet 2 'over their entire length circular cross-sections.

Furthermore, feet large in diameter and small in diameter are provided, the outside diameter of the small feet is slightly smaller than the inside diameter of big feet is.

In addition, the feet per row have the same center distance from one another as well as equal distances from the edge of the pallet and one row begins with an im Diameter large foot, while at the beginning of the other row a smaller diameter Foot is arranged so that, as can be seen from FIG. 8, two such, similar Pallets can be releasably stacked, with the small feet in the large feet intervention.

If the plug connections formed by the feet are dimensioned in such a way that that the feet interlock at least with static friction are part of the manufacturing process of so-called double-deck pallets from two pallets of the same type, additional Means of security the plug connections are dispensable.

With this pallet, too, as described above, on the underside the pallet ceiling 1 stiffening ribs, as well as a stacking frame on the top of the pallet be molded.

All new items disclosed in the description and / or drawing and combination features are considered essential to the invention.

Claims (11)

Claims: 1. Made of plastic through plastic shaping, in particular Injection molding, one-piece, stackable pallet, from the underside thereof brace rows of hollow feet that form at least two runners, which run along two mutually facing edge sides are arranged, characterized by the union the following features: a. the pallet ceiling (1) is designed to be closed, b. the BuBe (2) are in each row transversely to the longitudinal extension of the latter at least around theirs extending at right angles to the longitudinal axis of the row arranged alternately offset, and c. each foot (2) of one row located near the edge is in the other Row a foot (2) located far from the edge opposite. 2. Pallet according to claim 1, characterized in that the width (4) and the depth (3) of at least the feet (2) arranged at the pallet corners are at least approximately the same. 3. Pallet according to one of the preceding claims, characterized in that that the between the corner feet (2) arranged feet (2) each row one larger, in particular double or even larger width (4) than the corner feet. 4. Pallet according to claim 3, characterized in that the feet (2) have a molded base plate (5) and that in the feet laterally open mold core engagement openings (6) are arranged. 5. Pallet according to claim 4, characterized in that at the edge of the Pallet is a closed, ring-shaped, downwardly directed> frame is formed and that at the feet (2) arranged near the edge of a row, the mouths of the Mold core engagement openings (6) are directed towards the other row of feet while in the feet (2) remote from the edge, the mold core engagement openings (6) for Aim at the adjacent pallet edge. 6. Pallet according to claim 5, characterized in that the near-edge arranged feet (2) flush with the outside of the pallet frame are arranged. 7. Pallet according to claim 6, characterized in that on the top the pallet ceiling (1) a stacking frame is arranged, each frame leg into a plurality arranged one behind the other, identical to one another, alternately raised respectively deeply arranged zones (8,9) is resolved. 8. Made of plastic through plastic molding, in particular injection molding, One-piece, stackable pallet with at least two on the underside Rows of hollow feet that form runners are drawn along two opposite feet Edge sides are arranged, characterized by a closed pallet ceiling (1) and through tubular profiles arranged with the same center distance from one another, Feet open at the bottom (2t), which are similar to one another but alternately different have dimensioned cross-sections and are arranged such that a foot (2) with large Cross-section a foot with a small, compared to the clear cross-section one in cross-section huge Foot slightly reduced cross-section follows and that one row of feet with a Foot (2) large cross-section, the other foot row, however, with a foot (2) small Cross section begins. 9. Pallet according to claim 8, characterized in that the feet (2) have circular cross-sections. 10. Pallet according to claim 8, characterized by profiled square Tube feet (2), with rectified to the adjacent feet BEZW. running parallel arranged cross-sectional sides. 11. Pallet according to one of the preceding claims, characterized in that that the pallet cover (1) has small holes, especially for the purpose of saving weight respectively Has openings, which BEZW in particular smaller than the diameter. clear Width of the feet (2) are.