DE2510253A1 - Pallet frame with removable sides - lockable to adjacent sides with integral columns having slots for locking bolts on removable sides - Google Patents

Abstract

The frame is of the type having a removable side, whereby the adjacent portions of the removable side and the adjoining sides are provided with means to lock them together, which means comprise projecting bolts on the removable side capable of engaging slots in corner columns on the adjoining sides, which may contain rotary buses to rescue the bolt heads. The columns are integral with the adjoining sides and the bolts are integral with the removable side. The slots are provided in the places directly facing the end faces of the removable side from which the bolts project.

Description

Pallet frame The invention relates to a pallet frame with a from the frame association separable frame side, in which in the adjacent Edge areas of the separable frame side and the adjacent frame sides interlocking Locking elements are provided, which are made of the Endeflachenahschnitte the separable frame side essentially at right angles from standing bolts with circumferential grooves as well as assigned from the adjacent frame sides at the appropriate altitude GehMus-like consoles exist, the long holes open at the end for insertion of the bolt and possibly with cylinder-like rotating sleeves to secure the position are provided for the inserted bolt heads.

Pallet frames of this type are usually used as components of so-called itterbox pallets or in the form of clip-on parts for flat pallets used. The frame sides can be lattice-like or mesh-like and on the circumferential side be stiffened by interconnected horizontal and vertical spars. Even the frame sides can be closed like a wall, so that a container in the form of a container is created. They are used as a transport, storage or picking element.

In a known pallet frame of the type described above can the consoles the end face areas the adjacent Be assigned to frame pages. But you can also on the inner surface areas at the end the adjacent frame sides. Are the consoles the upper and assigned lower end face sections of the adjacent frame sides, so lie the elongated holes in the upper consoles vertically, with the insertion openings after are directed above. The elongated holes of the lower consoles are arranged horizontally and their insertion openings are directed outwards. The assignment of the positional safeguards to the individual elongated hole areas is such that both the lower and the upper Consoles or both can be provided with position securing devices together.

Each locking point of the known pallet frame is at the assembly of the frame structure can be manipulated one after the other. Heavy weights too the frame pages do not cause any difficulties. The pallet frame is on all four frame sides can be lifted individually. The framework association is maintained. Even the entire frame structure including a possible flat pallet be turned upside down. In this way, as a clip-on frame, it is also suitable for such Well suited that can be poured as a whole.

When used as a clip-on frame for a flat pallet the locking elements easy handling, as the connection of the individual Framing pages are not done by configuring four points at the same time. The connection is produced in all four points one after the other.

Already after inserting the first bolt into a console, at the latest however, after the insertion of the second bolt, a substantially weightless manipulation of the entire frame side can be made.

In the case of a pallet frame with the adjacent frame sides on the inside Arranged consoles are inherently sensitive locking elements removed from the immediate endangered frontal area. The pallet frame is therefore suitable for use where rough handling cannot be avoided is. All frame sides have the same height. It can be made by any party can be used overall as a container wall. The interior of the pallet frame is free of protrusions. This means that pre-calculated standard packs can be used will.

Those assigned to the face areas of the separable frame side Bolts with circumferential grooves can be attached detachably or permanently. The circumferential grooves can be achieved by screwing in bolts that are cylindrically smooth in the raw state be educated. Conical bolts can also be used, however the conicity can possibly only be limited to the bolt head. Furthermore can the circumferential grooves when using screws with a round onf on the thread the bolt screwed nuts, a thread and / or shaft section and the Be formed screw heads. The pole screws are then in the end faces the separable frame side and screwed in by capsizing the screwed-on nuts set. Finally, the nuts with the screws and / or the face areas be welded to the separable frame side.

Furthermore, the screws on the frame side can be fixed by welding be.

The bolts are r.it the core part of the circumferential grooves in the Mouth corner areas with rounded elongated holes of the consoles insertable. The circumferential grooves or their core parts have in the axial or in the radial direction a little play against the elongated holes. These form together with the them surrounding lArand a compulsory guide for the circumferential grooves. As a consequence, that when inserting the bolt heads into the consoles, a prescribed path was followed will. The individual parts of the locks can be designed with a relatively narrow sniel will. Despite this tight The game is still easy to assemble and dismantling guaranteed, as each locking point can be manipulated individually is. Tight play, however, in turn means increased stability of the entire framework, which is of particular importance when used in a fully automated high-bay warehouse attained.

The axial extent of the elongated holes corresponds approximately to the one and a half up to twice the core diameter of the circumferential grooves. This Pemessung causes an easy one Insertion of the circumferential grooves into the elongated holes and secure retention after insertion.

The securing devices for the poles are cut vertically formed approximately U-shaped, with sliding play in a gap pivotable rotary sleeves. The gap is from the peripheral surfaces of the bolt heads, the inner walls of the consoles as well as cam-like projections limited at the ends opposite the elongated holes End walls are provided coaxially to the poles. In the open position there is one such rotary sleeve with its straight legs approximately parallel to the horizontal elongated holes directed. When the bolts are swiveled into the elongated holes, the heads of the slide Bolt in.

Inside the square hollow profile into the U-shaped rotating sleeve. After the installation in the depth of the lanqhole, the rotary sleeve is turned around the bolt head, so that now one of the straight legs of the Drehhfilse takes over the position security.

The locking elements are not based on any particular training Frame pages bound. In terms of area, it can be extensive or ladder-like Frame sides or those with net-like tension can be used.

Furthermore, the cross-sectional design of the frame sides in the Usually, circumferentially stiffening spars are irrelevant.

The Verriezelungselerlente can be round or square frame bars be assigned. They can be both solvable as also rigid be attached to these. Also the material of the frame bars or the Locking elements can be adapted to the respective requirements. The use of the locking element is also not attached to a push-on frame with a flat pallet bound. Not even the formation of the frame.

Although the known type of pallet is an improvement in handling of pallet frames with regard to various conceivable functions is enabled In some applications, however, it is conceivable that the areas of the forehead or inner surface the adjacent frame sides protruding consoles disabilities both when closed Cause frame bond as well as when the frame bond is open. Such disabilities can endanger those handling such pallet frames as well as negative effects on what is stored or in the pallet frame have transnorted goods and also on the pallet frame, if this for example be transported in the disassembled state. Furthermore, difficulties can arise occur during the assembly and disassembly of the Paittenrahmen, especially when necessary repairs to be carried out if parts of the pallet frame have been damaged.

The invention is based on the object that is found as an on-el Eliminate properties of the known rough type of a pallet frame.

Invention, this object is achieved in that the housing-like Consoles directly in the edge areas of the adjacent frame sides and the bolt holders are integrated directly into the edge areas of the separable frame side, wherein the elongated holes in the consoles roughly in the plane of the end faces of the separable Frame side frontal opposite inner surfaces of the adjoining frame sides are arranged.

Regardless of the design of the frame sides, that is, irrespective of the whether these consist of closed plates or ladder-like or network-like. are designed, the consoles and the bolt mounts form physical components the edge areas of the frame sides. For example, the height of the consoles by the way. It is possible to use the consoles not only to connect the frame sides, but can also be used for hanging floor boards or the like. Of the This increases the range of application of the consoles significantly. Because of the grainy Integration of the consoles and the bolt holders in the edge areas of the frame sides they do not stand from the front or inner surfaces of the frame sides before. They neither call for hindrances to the people handling the pallet frame nor do they have negative effects on the stored or transported goods or on the pallet frame. Another benefit is there in that at least on the inner surfaces of a framework at the transition from the frame side surfaces on the brackets and bolt holders integrated in them smooth, stepless surfaces can be formed. But also on the outer surfaces of the frame structure are largely smooth, stepless transitions from the frame sides to the consoles or on the bolt holders and vice versa.

A preferred embodiment of the invention is that the consoles, the corner areas of the adjoining frame sides and the bolt holders form the corner areas of the separable side of the frame. The frame pages can be over Extending the entire lungs of the pallet, the length of the separable frame sides then the clear width between the frontally opposite adjacent ones Frame pages essentially correspond. This ensures that the framework has largely smooth, protruding surfaces both outside and inside, which no nuisance during transport and no damage to the individual or evoke transsorted good.

The Folzen which can be introduced into the elongated holes can be used directly Be assigned end faces of the separable frame side. You can use this as a prefabricated turned parts or be designed as enormous screw parts. You can also be fixed on the end face by screwing or welding. The bolts, however, are preferably releasable, if necessary, in the corner areas of the separable ones Integrated frame side. This means that the bolts are now also special Have bracket in which they are stored This storage can beisnielweise take place in that the bolt in the manufacture of the separable frame side is integrated into the bracket from the start. This happens with one made of plastic existing bracket in that before casting the bracket of the bolt in the Mold is inserted so that it is firmly enclosed by the plastic after casting is. But other solutions for fastening the bolt are also conceivable.

In the context outlined above, it can then be advantageous that in the consoles forming the upper corner areas, vertical slots with overhead Introduce opening and horizontal brackets in the lower corner areas Elongated holes are provided with a frontal Fin guide opening. Because of the arrangement of vertical elongated holes in the upper consoles and horizontal elongated holes In the lower consoles, the separable frame side can be freely inserted in the upper elongated holes sway. In particular when picking, there is then the advantage that the separable Frame side to the desired extent around the one formed by the upper elongated holes Axis of rotation can be pivoted. Without removing the separable frame side, it is possible to get to the interior easily.

However, it can also be beneficial if you have a different training program be that in the brackets forming the upper corner areas extending at right angles Elongated holes are provided which have a vertical leg with an insertion opening at the top and a lower, frame inwardly directed horizontal leg. Of the horizontal legs can be used to lock the separable frame side in one serve in the raised position. For this, the bolts are placed in the separable side of the frame such a cross-section training that after being pushed into the horizontal Legs hold the separable frame side in the folded-up position. For example a square cross-section of the bolts can provide such a lock guarantee.

It is particularly useful, however, that the consoles with right angles running elongated holes lifting gear for locking the folded up separable Have frame side, the stop means from web-like projections on the the separable frame side facing console surface are formed with cooperate cam-like approaches on the separable frame side.

This makes it possible that the separable frame side after hanging in the upper consoles not only pivoted around about 2700 and on the upper ones Longitudinal struts of the adjacent frame sides can be placed, but that the separable frame side only folded up by about 90 to 1100 and then fixed can be. This limited folding up is particularly important when several are stacked one on top of the other Pallet frame advantageous because it is folded up and then locked there is unhindered access to each pallet frame within the stack is. The operator no longer laboriously needs the frame side with one Holding up your hand or shoulder to get inside the pallet frame. There is also no need to temporarily support the Frame side with the risk of sudden trapping of the pediatrician and the resulting Injuries.

According to an advantageous development of the invention The idea is that the consoles forming the lower corner areas are cylinder-like Rotary sleeves provided for securing the position of the inserted bolt heads. Thereby exist the cylinder-like rotating sleeves from a U-shaped recessed section and a the pivotable fixing in the Ghusekonsolen serving circular section.

The cylinder-like rotary shed lies with the frame structure closed coaxial with the locking bolts. The legs of the U-shaped recessed section are initially parallel to the elongated hole so that the bolt head is unhindered can enter the recess. Then the rotary file is swiveled around its axis, so that then the legs of the U-shaped section down or frame inward are directed and prevent the bolt head from coming out of the console. The circular section can be pivoted in the bracket wall or to be used for coupling with an operating handle.

An expedient embodiment is characterized in the context of a such training in that in the closed position of the rotary sleeves one leg of the U-shaped section like a tongue tangentially over the circumference of the rotary sleeve is shifted out and angled outward at the free end. The angulation then serves as a handle to move the rotary sleeve from the closed position into the open position and vice versa to move.

The definition of the circular section within the console can be done in different ways. According to an advantageous embodiment has the circular section is adjacent to the U-shaped section polygonal Deepening. This polygonal depression can be hexagonal, for example be and take up a suitably designed screw jar. The shaft of the The screw can then be rotatably mounted in the console back wall. It is also conceivable that the polygonal recess receives a flat nut into which one from the outside Allen screw is screwed in. The round head of the screw would then have a pivot pin mounted in the rear wall of the console for the rotating sleeve form.

Another advantageous embodiment is characterized in that that the circular section has a central threaded hole and two end faces, with respect to the threaded hole diametrically opposite, radially to Circumferentially offset recesses for receiving corresponding pin-like projections has on a twist grip that can be kunpelbaren by a screw with the rotary handle.

The length and the diameter of the rotating sleeve are to be observed relatively narrow tolerances adapted to the cross section of the console housing. The itover the torque from the rotary handle to the rotary sleeve takes place via the recesses engaging tenons. The axial fixing is made by the connecting screw. The end section of the threaded hole can be used to secure the screw against loosening be narrowed. The screw is thus clamped in the thread. Through this can also use very tight rotating sleeves, for example when using the Pallet frame in frozen storage rooms frozen solid, by means of a longer one Lever arm can be easily released again. In the case of a screw with a hexagon socket the lever arm can be formed, for example, by a hexagon wrench.

In this context, it is then also advantageous that the rotary handle with a retracted circular shoulder in a corresponding hole in the outer wall of the consoles forming the lower corner areas is mounted, on the rotary handle and on the outer .9tirnflç'che of the consoles Ankle to limit swivel is provided. These stops consequently fix the closed and open positions of the rotary sleeve. Furthermore support the attacks the assembly and disassembly of the rotary sleeve and rotary handle, since when turning the central Fixing screw neither the twist grip nor the rotating sleeve particularly held be let.

According to a further advantageous embodiment of the invention are the consoles in the lower corner areas with / the underside protruding vertically, at an angle to one another approximately in the area of the outer and end faces of the adjacent ones Provided support bars arranged on the frame sides.

Here, the inner surfaces of the support webs are expediently in the plane of the Rahrenaußen- and Pahmenfrontflächen arranged.

The undersides of the lower consoles of the adjacent frame sides designed as pocket-like receiving areas, which then when setting up a frame structure on a pallet over the corners of the pallet grip and thereby facilitate assembly and increase stability.

Characterizes a further advantageous embodiment of the invention in that the consoles in the upper corner areas of the adjacent frame sides have inclined outer surfaces in the area of the outer and end faces, which are web-like are extended over the top surface of the consoles and have pocket-like receiving areas on the inside for the foot pieces of an attachable pallet frame. Appropriately are in this case the insides of the webs lanced over the top surface were roughly equivalent the inclination of the outer surfaces inclined outwards.

These webs assigned to the upper consoles form pangelooks for stacked pallet frames. Due to the only slightly inclined, smooth exterior and end faces of the upper consoles, no obstructive projections are created.

Nevertheless. ¢ ew guarantee the convention-sides formed in this way Bridges related to the slopes of their insides that putting on a further pallet frame is carried out safely and centering.

ground the separable and the adjacent frame sides in such a way that that they are formed at least on the circumferential side by hollow profiles, there is one preferred further embodiment of the invention is that the consoles and the Bolt holders in the upper and lower corner areas of the frame sides with horizontal and vertical peg-like extensions in the end openings of the hollow profiles intervention. In this exemplary embodiment, the consoles form the connection points between the vertical and horizontal hollow profiles. It can be square or round hollow prdfile find use. Other cross-sectional shapes are also conceivable.

The cross-section of the pin then largely corresponds to the internal cross-section the hollow profiles. The hollow profiles can consequently with relatively little effort pushed onto the pegs or the pegs into the end-face openings the hollow profiles are inserted.

An expedient further development here is that the pins on a limited part of its circumference transverse recesses of limited depth have, in which engage protrusions pressed out of the walls of the hollow profiles. The frame pages can consequently be put together in the respective size and only by pressing certain wall areas of the profiles into the recesses on the The scope of the pin can be hooked with these tensile and compressive strengths.

Welding work is not necessary.

Another further development is characterized by the fact that the tenons are glued into the hollow profiles. a plastic adhesive is advantageously used, which is also approved in the food industry and which has a shear strength of around 50 kp / mm2 guaranteed. The gluing of the pegs is particularly important in the Food industry advantageous because it avoids cavities in which If necessary, food residues can accumulate, which then lead to the formation of lead to unwanted bacterial foci. Manufacturing inaccuracies can also be caused by can be more easily compensated for by the adhesive.

A preferred embodiment is characterized according to the invention in that the pin from the free end to about four fifths of their length at least are simply longitudinally slotted and in the middle length range one in the plane of the I, Nngsschlitzes lying recess with partly conical trqnds for the reception have threaded pieces that are connected to the outside through corresponding holes Screw bolts inserted through the hollow profiles can be screwed together.

This embodiment can be used particularly advantageously when where, for example, individual parts of a pallet frame are replaced due to damage Need to become. But also to facilitate the initial assembly of a pallet frame this embodiment contributes.

The indentation provided in the middle length area receives a Cross-sectional design depending on whether a hexagon or square nut is used.

The walls arranged parallel to the longitudinal slot run the recess slightly conical to the outside. There is also a round conical recess conceivable. After inserting the connecting screw bolt through the hole in the Hollow profile and contact with the thread of the nut, this becomes when turning the Screw pulled further into the recess so that the two parts of the slotted Zanfens to the outside against the inside of the hollow profile. Here a countersunk head screw can be used, which is then largely in the wall of the Mohlprofile is embedded. But it can also be a hexagon socket screw Find use whose Konf rests on the outside of the hollow profile. That screw head then advantageously forms an approach for locking the separable frame side in the upright position.

Instead of a hexagon socket screw, you can of course a screw with a differently shaped head can be used.

The frictional connection of such a connection thus takes place once Feibung, that is, by the press fit of the pin in the hollow profile. For another, will A splint effect between the wall of the hollow profile and via the screw shaft brought about the pin. Finally, due to the tensile stress of the screw, there is one Frictional engagement before.

The feature of the invention is also advantageous, according to which in the Hollow profiles completely inserted tenons the central longitudinal axes of the holes in the hollow profiles and the recesses in the pin in the longitudinal direction of the pin are offset from one another. This makes it possible to use the end faces of the hollow profiles firmly against the contact surfaces on the consoles or on the bolt holders to press in order to avoid the formation of gaps in which there are particularly Bacteria can form in the food industry.

In order to improve the seal, it may also be useful to that between the end faces of the hollow profiles and the corresponding contact surfaces in the transition area from the pins to the consoles or the bolt holders Sealing rings are arranged. There can be sealing rings made of rubber, Plastic, light metal or the like used with a linpen-shaped approach will. When the connecting screw is tightened, the lip seal is compressed and it ensures a liquid-tight seal of the gap between the end face of the hollow profile and the loading area on the console, respectively on the bolt holder.

In a further embodiment of the invention, a hollow profile is inserted Stop body provided with threaded holes, optionally slotted longitudinally, can be inserted. The cross-section of the stop body, which may be made of plastic, desnricht largely the inner cross-section of the hollow profile.

One or more threaded holes can be provided in an axial offset be. The threaded holes can be formed directly in the flesh of the stop body be, but they can also be formed by nuts in corresponding recesses are used in the punch. Some of the recesses can be conical so that in connection with a slotted stop body the nuts When tightened, the halves of the body are irritated against the inner wall of the hollow profiles. The depth of the longitudinal slot is about five sixths to seven eighths of the cross-section of the body.

Such a stop body is used to attach any shape Fittings on the raw profiles. Appropriate fastening screws pass through holes in the hollow profiles that correspond to the threaded holes in the stop body and pull the stop body against the inner wall of the while turning the screws Hollow profiles. The hollow profiles are therefore precisely at the highly stressed points filled with a relatively massive core made of, for example, plastic or metal, so that their strength is improved.

rTer ^ R of the invention is the stop body with from its surface provided essentially radially protruding clamping lenses. These clamping pins are arranged axially or radially. They can also be provided in the form of a helix. rflit the help of these Klemirlipten, which the inner cross-section of the hollow profiles somewhat Overhanging and thereby causing a sliding fit, the stop body is against radial rotation and axial displacement secured in the hollow profiles.

A major advantage of such a releasable connection with Help of possibly slotted stop bodies or possibly slotted There is pin as the remainder of the consoles or the bolt holders in the fact that such materials can be safely connected to one another that cannot be joined by welding or gluing. The user of a Pallet frame according to the invention can all parts without essential tools and exchange without special knowledge if necessary. Damaged parts can replace it directly from the warehouse. The weldless connection according to the invention enables thus efficient production, easier repairs and easy replacement of individual parts.

Finally, there is another advantageous feature of the invention in that the hollow profiles have an approximately square outer cross-section and have a circular inner outer section. Such a hollow profile has a 30 to 50% higher section modulus compared to inside and outside, for example round or square hollow profiles. It can therefore be there with particular advantage used where pallet frames are exposed to extremely high loads. Further this hollow profile has the advantage of straight outer surfaces, the better connection options for hardware components, regardless of their design.

The invention is illustrated below with reference to in the drawings Execution example) / explained in more detail.

They show: FIG. 1 a pallet frame with ladder-like frame sides in the perspective view, FIG. 2 also in a perspective view, partially in section, an upper and a lower corner area of a longitudinal frame side, 3 shows a view of a console forming the upper corner area of a longitudinal frame side, 4 shows a vertical cut through the upper console according to the line IV-IV 3, FIG. 5 shows a plan view of the console shown in FIG. 3, FIG. 6 a view of a console forming the lower corner area of a longitudinal frame side, Fig. 7 is an end view of the lower bracket according to the arrow X in Fig. 6, Fig. 8 in an end view of a rotating sleeve which can be inserted into the consoles of FIGS. 6 and 7, FIG. 9 shows the rotary sleeve in side view according to the arrow Y in FIG. 8, Fi. 10 in view, partially in section, a bolt post forming the corner areas of the outer frame side, FIG. 11 shows a vertical cross section through the bolt holder according to FIG. 10 the line XI-XI, Fiz. 12 is a view of the bolt holder of FIG Flffl according to the arrow Z, wig. 13 shows the upper locking area of one side of the longitudinal frame with a transverse frame side and another embodiment of a console in view, partially in section, FIG. 14 the locking area according to FIG. 13 in plan view, partially in section, FIG. 15 shows the corner area of an outer frame side with square Elohl profiles according to the section XV-XV of FIG. 16, FIG. 16 the corner region of a Cross frame side with square hollow profiles according to section XVI-XVT of Fig. 15, FIG. 17 shows, on an enlarged scale, a detail in area A of FIG. 15, 18 the upper corner area of a longitudinal frame side with round foal profiles, partially in section, Fig. 19 in vertical cross section the fixing area between the inside and outside a round cross-section having lower longitudinal spar of a longitudinal frame side and the bottom of a flat pallet, FIG. 20 shows a section of the fixing area according to FIG. 19 with a longitudinal spar that is round on the inside and square on the outside, FIG. 21 a portion of the fixing area according to FIG. 19 with an inside and outside square longitudinal spar, Fig. 22 is a vertical section of the zem-R Line XXII-XXII of FIG. 23, FIG. 23 shows a horizontal longitudinal section along the line XXITI-XXIII of Fi. 22 with a further embodiment of a stop body, Fi. 24 shows a detail of FIG. 19 and FIG. 25 shows a further embodiment of one Stop body in view.

1 with a rectangular flat pallet is denoted in Fig. 1, which corresponds to the standard regulations in terms of its design and dimensions.

One of four is detachably connected to one another on the flat pallet Frame sides 2 to 5 of the existing frame structure attached. Each side of the frame has horizontal bars 6 and vertical bars 7 as well as between the bars 6 integrated, m almost vertical round bars 8 on. The round bars 8 can be in the spars 6 if necessary be releasably attached.

Both the spars 6 and the spars 7 consist of a square hollow profile. The connection of the horizontal bars with the vertical bars takes place in the Longitudinal frame sides 2 and 3 in the upper corner areas 9 silver directly into this integrated upper consoles 10 and in the lower corner areas 11 over here as well Lower brackets 12 integrated directly into this.

The cross frame sides 4 and 5 are in the upper and lower corner areas 13 connected to one another via bolt holders 14 integrated directly into them.

Both the consoles 10 and 12 of the longitudinal frame sides 2, 3 and the brackets 14 of the transverse frame sides 4 and 5 are provided detachably if necessary.

The formation of the frame sides is not like the ladder shown Design bound. There are also closed or net-like frame sides conceivable.

It is also possible to use a frame structure with approximately horizontal insertion or to provide intermediate floors. The horizontal and vertical spars can be used instead of the square profile shown is also a round profile or another suitable one Have a profile.

The frame association on the flat pallet 1 is determined with the help of angled strips 15, which on the lower horizontal bars 6 of the longitudinal frame sides 2 and 3 are attached. The strips 15 have in Fig. 1 leg 15 'which is not further recognizable and which is bent horizontally inward (see Fig. 19), with which they, together with the undersides of the lower horizontal bars 6 Form an approximately U-shaped bracket, which the flat pallet in the area of the entry openings 16 encompasses. The longitudinal frame sides 2 and 3 are therefore from the side onto the flat pallet 1 can be pushed open.

The strips ensure the upright position of the longitudinal frame sides in the postponed State, even if they are not yet connected to cross frame sides 4 and 5.

The frame sides 2 to 5 are in the embodiment in the corner areas 9, 11 and 13 releasably locked together. The formation of the locking elements and their mutual cooperation is shown in more detail below with reference to FIGS explained.

In Fig. 2 is an upper perspective on an enlarged scale Corner area 9 and a lower corner area 11 of the longitudinal frame side 3 are shown. It it goes without saying that the consoles in the other end section of the longitudinal frame side are designed in mirror image.

The upper bracket 10 serves as a connecting element between the upper one horizontal spar 6 and the vertical spar 7. For this purpose the console 10 - as can also be seen in more detail in FIGS. 3 to 5 - a horizontal pin-like Extension 17 and a vertical pin-like extension 18 assigned. These cones are preferably formed in one piece with the console and have a cylindrical Design on. The outer diameter of the pin 17 and 18 corresponds to the clear Width of the horizontal and vertical spars formed from square hollow profiles. But it can also be provided with square pins. The attachment of the tenons in the spars takes place via transversely to the longitudinal axis of the pin on the circumference Recesses 19, into which after the assembly of the consoles and the spars from the outside Material is displaced from the walls of the spars. Thus there is no welding work a secure pull and push connection created.

In the embodiment of FIGS. 3 to 5 are offset in the longitudinal direction two recesses 19 diametrically opposite one another on the circumference intended.

The side surface 20 facing the interior of the pallet frame the console lies in one plane with the inner surfaces of the spars 6 respectively 7. In this side surface 20, the console 10 has a vertically extending elongated hole 21 with rounded inner end area 22 and mouth 23 on the head side. The corner areas 24 of the mouth are rounded.

The slot 21 is within the console 10 eim housing-like undercut 25 assigned, which - outgoing from the top surface 26 - one Has greater length than the elongated hole 21. The rectangular in horizontal cross section formed undercut 25 is used to accommodate the head of a based on 10 to 12 of the bolt 27, which is described in more detail.

In the area of the outer surfaces 28 and the end faces 29 of the vertical Spars 7, the console 10 has outer surfaces inclined upwardly at an angle to the outside 30. These outer surfaces extend beyond the top surface 26 and form webs 31 and 32 arranged there at an angle to one another.

The inner sides 33 of the interconnected webs 51 and 32 have approximately the same slope as the outer surfaces 30.

They are preferably at a flat angle to the outer surfaces 30 arranged. At the head end, the webs 51 and 52 are rounded. It will be on this Way catch corners formed to accommodate, for example, the support feet of another stackable pallet frame.

The undercut 25 is at the lower end with a horizontal one Channel 34 in connection, which has an approximately square cross-section and opens into the outer surface 50 lying parallel to the longitudinal frame.

The vertical in the lower corner area 11 of the longitudinal frame side 3 The bracket 12 connecting the spar 7 to the horizontal spar 6 is embodied in the manner of a housing (See also Figs. 6 and 7). The connection to the bars is via the console 12 integrally assigned, also peg-like extensions 17 and 18. The training this pin corresponds to that of the upper console 10. Also the connection with the spars takes place in the same way over into the recesses 19 in the walls the spars displaced material.

The side surface 55 facing the interior of the pallet frame the console 12 lies in one plane with the Inner surfaces of the spars. A horizontal slot 36 is provided in this side surface 35. The length of the elongated hole is dimensioned so that the center point of the Lanlochgrund 37 representing Radius lies approximately in the longitudinal axis of the vertical pin 18.

The mouth 38 of the elongated hole 36 lies in the plane of the end face 29 of the longitudinal frame side 3. The corner areas 39 of the mouth are rounded.

The slot 36 on the inside of the console 12 is a housing-like Undercut 40 assigned. This undercut is in the vertical cross section approximately rectangular and rounded in the vertical longitudinal section at the deepest 41. The center of this rounding coincides with the center of the inner rounding of the elongated hole 36 match. In the inner surface opposite the elongated hole 36 42 of the undercut, which with the outer surface 28 of the spar 7 approximately in runs in a plane, a bore 43 is provided. This hole is used for storage a rotating sleeve 44 which can be inserted into the undercut 40 and which is shown in FIGS. 8 and 9 can be seen in more detail.

As these figures show, the whole is roughly cylindrical formed rotary sleeve 44 from an approximately U-shaped section 45 and one annular section 46. The annular section 46 is used to pivot Fixing the rotary sleeve 44 in the undercut 40. Has for this purpose the annular section 46 has a Seehskantausbreak 47 into which a corresponding trained bolt head can be inserted and passed through the bore 48 with its shank is. This bolt, which cannot be seen in detail in the drawings, is then inserted in the bore 43 of the console 12 set pivotably.

It is also conceivable that the hexagonal recess 47 is a flat nut receives, into which a hexagon socket screw is screwed from the outside. The on Circumference round head of the screw would then be stored in the console back wall Form pivot pins for the rotating sleeve 44.

The U-shaped section 45 of the rotary sleeve has a recess 49 on. This recess is made up of two legs 50 and 51 and an arcuate one Connecting section 52 limited.

The insides of the legs 50 and 51 run parallel to one another towards the circumference of the rotating sleeve. The leg 50 has a tongue-like extension 53, which is angled from the axis of rotation of the rotating sleeve. The angle can for example be.

When the rotary sleeve 44 is inserted into the undercut 40, the Recess 49 directed towards the end face 29 of the vertical spar. Here lies the leg 50 on the upper inner surface 54 of the undercut. Thus can the head of a bolt 27, as explained in more detail below with reference to FIGS. 10 to 12 is described, are introduced from the front into this recess 49, wherein the bolt shank at the same time the elongated hole 56 grips. When the bolt head is in the deepest part of the Recess 49 is the rotary sleeve with the help of the tongue 53 so far pivoted until the tongue 53 is at the lower outer edge 55 of the undercut 40 arrives at the plant. The bolt is then positionally within the undercut secured.

Instead of the rotating sleeve of FIGS. 8 and 9, such a rotating sleeve can also be used Find use that only consists of an approximately U-shaped section 45 and an approximately cylindrical portion 46 consists. The tongue 55 and the recess 47 are then unavailable. The bore 48 is replaced by a threaded bore.

Furthermore, there are two in the end face of the cylindrical section Recesses are provided which are diametrically opposed with respect to the central threaded hole opposite.

Two pegs on the inner one engage in these recesses The end face of a rotary handle pivotably mounted in the wall of the console 12 is arranged are. The rotary handle has a central through hole for a fastening screw, which engages in the threaded hole of the rotary sleeve when turning and rotary sleeve and Twist handle connects together.

The connection of the transverse frame sides 4 and 5 with the longitudinal frame sides 2 and 3 takes place - as already stated - via which can be inserted into the consoles 10 and 12 Bolt. These bolts 27 (see e.g. Fig. 10) have a bolt head 56 which in its diameter on the one hand the recess 49 in the rotary sleeve 44 and on the other hand the undercut 25 of the console 10 is adapted.

The play between the bolt head and the recess 4 or the undercut 25 is dimensioned so that the bolt head can be easily inserted and removed.

The bolt head 56 is followed by an annular groove 57, which in the The diameter is slightly smaller than the width of the elongated holes 21 and 36 is. The width of the annular groove 57 is also only slightly wider than the wall thickness the console areas in which the elongated holes 21 and 56 are incorporated are. The annular groove 57 is on the side facing away from the bolt head 56 by a ring 58 limited.

The bolt 27 can be formed from a screw, the rim 58 can consist of a nut screwed onto the screw and fixed. The screw is to be assigned directly to the end faces of the transverse frame sides 4 and 5. It can be welded or screwed in there. The bolt 27 can also be made consist of a turned part, which in turn on the end faces of the Buerrahmenseiten 4 and 5 can be welded or screwed into this. Like the embodiments 10 to 12 can be seen, the bolt, which in this embodiment is formed from a rotating part, can also be assigned directly to a holder 59. This holder has horizontal peg-like extensions 60 and vertical peg-like Projections 61. The design of the pins 60 and 61 corresponds to that of the pins 17 and 18. The pins 60 and 61 are also fixed in the hollow profiles the transverse frame sides 4 and 5, like those of the pins 17 and 18 in the hollow profiles of the Longitudinal frame sides.

The brackets 59 can include the pins 60 and 61 from Made of plastic. Here, the bolt 27 is prior to casting in the appropriate Inserted the mold so that it is firmly connected to the holder 59 after casting. For this purpose, the bolt 2'7 can reinforce an inner cross-section Have end portion 62, which has flattened side walls 63 and thereby against Rotation within the bracket 59 is secured.

It can also be seen from FIGS. 6 and 7 that from the underside 64 the bracket 12 angular webs 65 protrude vertically downwards. The angular Web 65 are located approximately in the plane of the end face 29 or the outer surfaces 28 of the horizontal and vertical spars. This creates pocket-like receiving areas created, which the stability the longitudinal frame sides 2 and 5 support when placing it on the flat pallet 1.

13 and 14 is the embodiment of an upper bracket 10, which has an elongated hole 66 running at right angles. That The elongated hole consists of a vertical leg 67 and a horizontal leg inside the frame directed legs 68 together. It is also on the separable side of the frame 5 facing console surface 69 a web-like projection 70 is formed, the has a convex elevation 71 at the end.

After hanging the separable frame side 5 over the bolts 27 the separable frame side can be inserted into the elongated holes 66 of both adjoining frame sides 2, 3 around 1100 in the in Fig.

13 folded up position and with the bolts 27 be pushed into the horizontal legs 68.

Cam-like lugs 72 on the end faces of the vertical spars 7 of the separable frame side then come to rest on the webs 70, wherein the convex elevations 71 prevent sliding down from the webs. The cam-like Approaches 72 are formed in the embodiment of screws in the vertical Spars 7 are attached. The separable side of the frame is thus in the folded-up position locked and unhindered, risk-free access to the interior of the pallet frame secured.

FIGS. 15 to 18 show other embodiments of the attachment of the consoles 10, 12 and the bolt holders 14 in those formed from hollow profiles horizontal and vertical spars 6 and 7, respectively, those shown in FIGS. 15 and 16 Bolt holder 14 has longitudinally slotted, approximately square pins 17, 18, which engage in the bars 6 and 7, which are also square on the inside and outside. the The length of the slots 75 in the tenons is approximately 4/5 of their length.

In the middle length area of the pins 17, 18 there are hexagonal depressions 74 provided. The walls 75 lying parallel to the slot 77 run in this case Wells slightly conical to the outside. Hex nuts are located in the recesses 74 76, which are penetrated by screws 77. The screws can be countersunk screws be educated. Then the heads 78 lie within the spar walls (based on the horizontal Holme 6 shown).

But they can also be formed by hexagon socket screws.

The heads 79 then lie on the outside of the end faces of the spars 7 (vertical Holme). Instead of the hexagon socket head screws, hexagon head screws can also be used will. If hexagon socket screws are used, the heads 79 with 13 and 14, i.e. the heads 79 support the locking of the separable frame side 5 in about 1100 up position.

As the screws 77 are turned, the nuts 76 become more and more drawn into the depressions 74, with the conical side walls 75 the two legs 80 of the pin 17, 18 pressed apart and against the inner walls the spars are pressed. The pins are then firmly clamped in the bars.

Instead of the illustrated hexagonal depressions 74 can also square recesses may be provided. This is where square nuts come to System.

The central axes of the screws 77 and the recesses 74 are in Axial direction of the pin 17, 18 slightly offset from one another when the spars up are pushed onto the pins 17, 18 to stop at the bolt holder 14. That is, the central axis of the screws or the holes or conical depressions in the spar walls is further away from the bolt holder 14 by the dimension "a" than the central axis of the indentations 74. Try to tighten the screw connection then the central axes get into alignment so that the spars are either via the screw heads, for countersunk head screws, or via the bolt shafts, at Allen screws, must be firmly tightened on the stud holder. To this A sufficient seal between the end faces of the spars 6, 7 is required and the bolt holder 14 guaranteed.

From Fig. 17 it can be seen that, if necessary, between the end faces 82 of the spars and contact surfaces 81 in the transition area from the pins 17, 18 the bracket 14 lip seals 83 can be provided. By pressing the spars on the bolt holder then also take on such a lip seal a liquid-tight seal.

The definition described above with reference to a bolt holder 14 of course, the pin 17, 18 in the spars also applies to the pin Consoles 10 and 12 too. Furthermore, the pins can be cylindrical and so can the spars optionally have a cylindrical inner cross-section.

FIG. 18 shows a further possibility using a console 10, for example the definition of a round pin 17 in spars with a round inner and outer cross-section. The recesses 74 are conical and round, as a counterpart for the screw 77 is then used with an internal thread which is adapted to this recess 74 provided part 84.

The definition of fittings, e.g. the angle strips 15 (can be seen from Fig. 1), on the spars is with a pallet frame made of hollow profiles with difficulty tied together. In order to overcome these difficulties, one of FIGS. 19, 24 and 25 pin-like stop bodies 85, which are shown in more detail, are provided. This is the respective inner cross-section of the spars largely adapted and points to his Circumference of clamping lips 86, which protrude slightly over the inner cross-section of the spars.

As in the exemplary embodiment, the clamping lips can be axially directed be. But they can also be radial or helical get lost. Your task is to fix the stop body 85 in the sliding fit in the bars and to compensate for any manufacturing tolerances.

The stop body has a threaded hole 87 or more of these Threaded holes. In the exemplary embodiment, there are three threaded holes that are axially offset from one another 87 provided. These can be worked directly into the meat of the stop body be.

But you can also, and this is shown in Figs. 19 and 24, made of polygonal nuts, e.g. hexagon nuts, which are inserted into corresponding recesses in the stop body are used.

To set an angular strip 15 encompassing the pallet 1 a longitudinal spar, a stop body 85 is pushed so far into the spar, until the threaded holes 87 coincide with corresponding holes 88 in the spar. Then the angle bar 15 adapted to the outer contour of the spar 6 is attached from the outside and connected to the stop body via screws 89.

20 and 21 show spar profiles with smooth and straight surfaces, which works particularly well in connection with stop bodies inside the one round or square cross-section spars for fixing fittings such as angle strips 15, are suitable.

22 and 23 is an embodiment of a stop body 85 shown with longitudinal slots 90. When tightening the screws 89 the stop body is pressed against the inner wall of the spar 6 on both sides. The recesses for the nuts 87 in this case again have parallel to the slot 90 Walls 91 which, in cooperation with the nuts, spread the stop body cause. The depth of the slot 90 is about 5/6 to 7/8 of the diameter of the Stop body.

Claims (25)

Patent claims: 1. Pallet frame with a frame side that can be separated from the frame structure, in which in the adjacent edge areas of the separable frame side and the adjacent frame sides interlocking locking elements are provided are that from the end face portions of the separable frame side substantially at right angles from standing bolts with circumferential grooves as well as from the adjacent frame sides There are housing-like consoles assigned at a corresponding height, which end Have open slots for inserting the bolts and possibly with cylinder-like holes Rotary sleeves are provided to secure the position of the inserted bolt heads, d a -d u r c h g e k e n n n z e i c h n e t that the housing-like consoles (10, 12) directly into the edge areas of the adjacent frame sides (2, 3) and the Bolt holders (14, 59) directly into the edge areas of the separable frame side (4, 5) are integrated, the elongated holes (21, 36, 66) in the consoles (10, 12) approximately in the plane of the front surfaces of the separable frame side (4, 5) arranged opposite inner surfaces of the adjacent frame sides (2, 3) are. 2. Pallet frame according to claim 1, d a d u r c h g e k e n n z e i c h ne t that the consoles (10, 12) are the corner areas of the adjacent frame sides (2, 3) and the bolt holders (14, 59) the corner areas of the separable frame side (4, 5) form. 3. Pallet frame according to claim 1 or 2, d a -d u r c h g e k e n n z e i c h n e t that in the brackets (10) forming the upper corner areas (9) vertical elongated holes (21) with the insertion opening (23) at the top and into which the lower corner areas (11) forming brackets (12) with horizontal elongated holes (36) frontal insertion opening (38) are provided. 4. Pallet frame according to claim 1 or 2, d a -d u r c h g e k e n n z e i c h n e t that in the brackets (10) forming the upper corner areas (9) oblong holes (66) running at right angles are provided which form a vertical leg (67) with an insertion opening at the top and a lower one directed inwardly of the frame have horizontal legs (68). 5. Pallet frame according to claim 4, d a d u r c h g e k e n n z e i c h ne t that the consoles (10) with oblong holes (66) running at right angles Stop means (70, 71) for locking the folded up separable frame side (4, 5) own. 6. Pallet frame according to claim 5, d a d u r c h g e k e n n z e i c h n e t that the stop means consist of web-like projections (70) on the separable frame side (4, 5) facing console surface (69) are formed, which cooperate with cam-like projections (72) on the separable frame side (4, 5). 7. Pallet frame according to claim 1 or one of the following, d a d u r c h e k e n n n e i c h n e t that in the lower corner areas (11) forming Consoles (12) cylinder-like rotating sleeves (44) for securing the position of the inserted Bolt heads (56) are provided. 8. Pallet frame according to claim 7, d a d u r c h g e k e n n z e i c h n e t that the cylinder-like rotating sleeves (44) are recessed from a U-shape Section (45) and one of the pivotable fixing in the housing consoles (12) serving circular portion (46) exist. 9. Pallet frame according to claim 8, d a d u r c h g e k e n n z e i c h n e t that in the closed position of the rotary sleeves (44) a leg (50) of the U-shaped section (45) like a tongue tangentially over the circumference of the rotary sleeves (44) is also extended and angled outwards at the free end (53). 10. Pallet frame according to claim 8 or 9, d a -d u r c h g e k e nn z e i c h n e t that the annular section (46) one to the U-shaped Section (45) has adjacent polygonal recess (47). 11. Pallet frame according to claim 8 or 9, d a -d u r c h g e k e It is noted that the annular section has a central threaded hole and two end faces, diametrically opposite each other with reference to the threaded hole, recesses offset radially to the circumference for receiving corresponding peg-like Projections on a rotary handle which can be coupled to the rotary sleeve (44) by a screw having. 12. Pallet frame according to claim 11, d a d u r c h g e k e n n z e i c h n e t that the rotary handle with a retracted circular shoulder in a corresponding hole in the outer wall of the lower corner areas (11) forming consoles (12) is mounted, on the rotary handle and on the outer end face of the consoles (12) stops are provided to limit swiveling. 13. Pallet frame according to claim 1 or one of the following, d a it is indicated that the consoles (12) are in the lower corner areas (11) with from the underside (64) protruding perpendicularly, angularly to one another approximately in the area of the outer and front surfaces of the adjacent frame sides (2, 3) arranged support webs (65) are provided. 14. Pallet frame according to claim 13, d a d u r c h g e k e n n z e i c h ne t that the inner surfaces of the support webs (65) in the plane of the frame outer and frame end faces (28, 29) are arranged. 15. Pallet frame according to claim 1 or one of the following, d a it is indicated that the consoles (10) are in the upper corner areas (9) of the adjoining frame sides (2, 3) in the area of the outer and end faces (28, 29) have inclined outer surfaces (30), which are web-like over the top surface (26) of the consoles (10) are extended and have pocket-like receiving areas on the inside for the foot pieces of an attachable pallet frame. 16. Pallet frame according to claim 15, d a d u r c h g e k e n n z e i c h n e t that the inner sides (33) of the extended over the top surface (26) The webs (31, 32) are inclined outwards approximately in accordance with the inclination of the outer surfaces (30) are. 17. Pallet frame according to claim 1 or one of the following, at which the frame sides are formed at least on the circumferential side by hollow profiles, d u r c h e k e nn n z e i c h n e t that the consoles (10, 12) and the bolt holders (14, 59) in the upper and lower corner areas (9, 11, 13) of the frame sides (2-5) with horizontal and vertical pin-like extensions (17, 18, 60, 61) in the engage the frontal openings of the hollow profiles (6, 7). 18. Pallet frame according to claim 17, d a d u r c h g e k e n n z e i c h n e t that the pins (17, 18, 60, 61) on a limited part of their Circumferential transverse recesses (19) of limited depth into which the Walls of the hollow profiles (6, 7) engage protrusions pushed out. 19. Pallet frame according to claim 17 or 18, d a -d u r c h g e k It is noted that the pins (17, 18, 60, 61) in the hollow profiles (6, 7) are glued in. 20. Pallet frame according to claim 17, d a d u r c h g e k e n n z e i c h n e t that the pin (17, 18) from the free end to about four fifths their length are at least once longitudinally slotted and in the middle length range one in the plane of the longitudinal slot (73) lying recess (74) with in part have conical walls (75) for receiving threaded pieces (76) with of Screw bolts inserted through corresponding holes in the hollow profiles (6, 7) on the outside (77) can be screwed together. 21. Pallet frame according to claim 20, d a d u r c h e k e n n z e i c h n e t that with the pin completely inserted into the hollow profiles (6, 7) (17, 18) the central longitudinal axes of the holes in the hollow profiles (6, 7) and the Depressions (74) in the pin (17, 18) in the longitudinal direction of the pin (17, 18) to each other are offset. 22. Pallet frame according to claim 17 or one of the following, d a d u r c h e k e n n n z e i c h n e t that between the end faces (82) of the hollow profiles (6, 7) and the corresponding contact surfaces (81) in the transition area from the pin (17, 18) on the consoles (10, 12) or on the bolt holders (14) Sealing rings (83) are arranged. 23. Pallet frame according to claim 17, d a d u r c h g e k e n n z e i c h n e t that in the hollow profiles (6, 7) provided with threaded holes (87), optionally longitudinally slotted stop body (85) can be introduced. 24. Pallet frame according to claim 23, d a d u r c h g e k e n n z e i c h n e t that the stop body (85) with from its surface substantially radially protruding clamping lips (86) is provided. 25. Pallet frame according to claim 17 or one of the following, d a it is indicated that the hollow profiles (6, 7) are approximately square Have outer cross-section and a circular inner cross-section. L e r s e i t e