Plastic container

Abstract

Container made of plastic, with a base (1) and at least two opposing side walls (2), and with at least one separating element (5) which is detachably attached to both side walls (2), wherein each side wall (2) has at least two fastening openings (10), in particular circular fastening openings (10) for the separating element (5), wherein the separating element (5) is detachably attached to each side wall (2) by at least one fastening pin (11), wherein the fastening pin (11) has a head (13) and a shaft (12), wherein the shaft (12) of the fastening pin (11) extends through a fastening opening (10) of the respective side wall (2) and is detachably attached to or in the separating element (5) by means of a snap connection, and wherein the head (13) of the fastening pin (11) is not suitable, due to its geometry, to be guided through the fastening opening (10), characterized by that the separating element (5) has a guide block (16) near the mounting opening (10) of the side wall (2) with a guide channel (17) for the shaft (12) of the mounting pin (11), through which the shaft (12) of the mounting pin (11) is inserted, that the shaft (12) of the fastening pin (11) has a shaft cross-section that is not rotationally symmetric or has at most twofold rotational symmetry, and that the guide channel (17) has, at least at one point or at least in some areas, a cross-section that is adapted to the shaft cross-section, so that the shaft (12) of the fastening pin (11) can be inserted through the guide channel (17) in at most two rotation angle positions.

Description

[0001] The invention relates to a container made of plastic, with a base and at least two opposing side walls, and with at least one separating element that is detachably attached to both side walls, according to the preamble of claim 1.

[0002] Accordingly, both side walls of the container each have at least two mounting openings for the divider – these are usually circular mounting openings – with the divider being detachably attached to each side wall by at least one mounting pin. The mounting pin essentially consists of a head and a shaft. The shaft of the mounting pin extends through a mounting opening in the respective side wall and is detachably attached to or in the divider by means of a snap-fit ​​connection, while the head of the mounting pin, due to its geometry, is not suitable for passing through the mounting opening.

[0003] Plastic containers of this type are typically used in households for storing items, as shelf boxes with or without lids, drawers, and so on. The divider, which connects two opposing side walls, separates the contents of the container to allow for the organized storage of smaller items, such as children's toys, hobby supplies, or food. It has proven advantageous if the dividers are not permanently installed in the container but can be repositioned by the end user as needed.

[0004] For the at least one partition wall of a container of the present type, each side wall therefore has at least two fastening openings in order to be able to move the partition wall from one pair of fastening openings to the other pair of fastening openings.

[0005] For a high-quality container of this type, it is essential that the partitions are reliably fixed in their respective positions and do not detach from their mounting holes, even if the side walls twist during use – which cannot be ruled out with plastic containers due to the limited inherent stability of the material, even in high-quality designs. Therefore, it is known to attach the partitions to the respective mounting holes using mounting pins with a shaft and a head, which are inserted from the outside through the mounting hole until the head rests against the outside of the side wall and the shaft engages with or within the partition element.

[0006] Fastening pins for the detachable connection of two components, such as the side walls and the separating elements of containers of this type, are sometimes made of metal, but often also of plastic, whereby even in the latter case metallic spring elements are used either directly on the fastening pin or in a snap-in opening to hold the fastening pin snapping into the snap-in opening.

[0007] Containers of this type are manufactured from plastic using injection molding. This process is suitable for cost-effective mass production, partly because it requires very little manual labor. Having to use a metal spring for the fastening pin is disadvantageous not only because of the higher material and manufacturing costs, but primarily because the metal spring must be manually attached to the fastening pin or, alternatively, inserted into a snap-in opening in the divider. For the manufacturer of the plastic container, a metal spring is also a purchased component with the associated disadvantages. Therefore, the manufacturer wishes to avoid using metal springs and to manufacture all components of the container from the same material.

[0008] The invention is therefore based on the objective of proposing a plastic container of the type mentioned above and a fastening pin for such a container, with which it is possible to dispense with metallic spring elements for the snap connection between the fastening pin and the separating element of the container and yet to ensure a secure snap connection that can be released by the user at any time.

[0009] This problem is solved by a container having the features of claim 1 and by a fastening pin having the features of claim 15.

[0010] Advantageous embodiments and further developments of the container according to the invention are set out in claims 2 to 14.

[0011] The container according to the invention, which is made of plastic and comprises a base, at least two opposing side walls, and at least one partition element detachably attached to both side walls, has, as already mentioned, at least two mounting openings for the partition element in each side wall, in particular circular mounting openings, wherein the partition element is detachably attached to each side wall by at least one mounting pin. The mounting pin essentially consists of a head and a shaft, wherein the shaft of the mounting pin extends through a mounting opening in the respective side wall and is detachably attached to or in the partition element by means of a snap-fit ​​connection, while the head of the mounting pin, due to its geometry, is not suitable for passing through the mounting opening.

[0012] According to the invention, the separating element has a guide block near the mounting opening of the side wall, with a guide channel for the shaft of the mounting pin through which the shaft of the mounting pin is inserted. The shaft of the mounting pin has a cross-section that is not rotationally symmetric or has at most twofold rotational symmetry, i.e., it is only mapped onto itself by a rotation of 180 or 360 degrees. The guide channel of the guide block in the separating element simultaneously has, at least at one location or at least partially, but preferably along its entire length, a cross-section that is adapted to the non-rotationally symmetric or at most twice-rotationally symmetric shaft cross-section.The fastening pin can therefore either only be inserted through the guide channel of the guide block in a specific rotational angle position (with a non-rotationally symmetrical shaft cross-section) or in at most two rotational angle positions, offset by 180 degrees (with double rotational symmetry).

[0013] This inventive design of the fastening pin shaft, in conjunction with the guide channel in the guide block of the separating element, allows the shaft of the fastening pin to be flattened to such an extent that it becomes elastically deformable and can be bent out of its axis in two spatial directions. This allows the spring-elastic properties of the plastic itself, from which the fastening pin is made, to be used for a snap-fit ​​connection, thus eliminating the need for an additional, separate spring element. Due to the non-rotationally symmetrical or only partially rotationally symmetrical design of the fastening pin and the guide channel, the fastening pin can only be inserted through the guide block in the separating element in such a way that the intended snap-fit ​​connection, which is created and released by the inherent elasticity of the fastening pin, can be realized without the user having to pay particular attention to the orientation of the fastening pin.

[0014] The guide block in the separating element of the container according to the invention ensures that the fastening pin remains securely engaged despite the use of its own elasticity for the locking connection, as long as the locking connection is not released, and that a stable and secure attachment to the corresponding side wall of the container is provided.

[0015] In order to implement the aforementioned possibility opened up by the present invention of utilizing the inherent elasticity of the fastening pin for a snap-fit ​​connection, it is preferred within the scope of the present invention if the shaft of the fastening pin has at least at its front end, facing away from the head, a flattened area with two broad sides and two narrow sides, which is elastically deformable in a direction perpendicular to the broad sides and, viewed from the head of the fastening pin, projects beyond the guide channel of the guide block and engages there in a snap-fit ​​element.

[0016] With this design of the fastening pin, it is sufficient and even advantageous if the rotational symmetry of the fastening pin is limited to twofold or twofold rotational symmetry, meaning that the fastening pin can be inserted through the guide channel in exactly two rotational angular positions, corresponding to rotations of 0 degrees and 180 degrees around the longitudinal axis of the fastening pin. In both cases, this ensures that the flattened area of ​​the shaft of the fastening pin engages the locking element on the partition in such a way that the fastening pin can securely engage there.

[0017] It is advantageous if the flattened area of ​​the fastening pin runs parallel to a locking surface of the separating element with one of its broad sides or, as a special case of this parallelism, lies flat on the locking surface, engages in a locking element on or in the locking surface and this locking connection can be released by elastic deformation of the flattened area of ​​the shaft.

[0018] Such a detent connection can be achieved with a wide variety of detent elements, for example, with latch-shaped detent edges on both the fastening pin and the detent surface of the separating element. However, it is preferred that the flattened area of ​​the fastening pin is provided with a detent opening, while a detent element designed as a detent lug is arranged on the detent surface of the separating element. This detent element engages in the detent opening and preferably has a sawtooth shape with its gently rising flank facing the guide block. Naturally, these detent elements can also be arranged in reverse, i.e., the detent opening is then located in the detent surface of the separating element, and the detent lug is located on the fastening pin. In this case, if the detent lug has a sawtooth shape, its gently rising flank faces the front end of the fastening pin.

[0019] Particular advantages arise from the design of the fastening pin with a flattened section, which engages in a detent element on or in the detent surface and can be released from the detent connection by elastic deformation of the flattened section, if the guide channel in the guide block of the separating element is arranged such that the flattened section of the fastening pin, when inserted through the guide block, remains spaced from the detent surface and does not rest on it, yet is nevertheless engaged in a detent element on or in the detent surface. This allows for easy gripping of the front end of the fastening pin to quickly and easily release the detent connection.

[0020] In a further preferred embodiment of the container according to the invention, in which the shaft of the fastening pin has an elastically deformable, flattened area at its front end that can engage in a locking element on or in the separating element, this fastening pin is manufactured such that its shaft not only has a flattened area, but an overall flattened basic shape with two broad sides and two narrow sides; that is, the flattened area extends over the entire length of the shaft. To stabilize the shaft, a projection in the form of a cylindrical shell section is formed on both narrow sides, at least over a portion of the shaft's length. This projection extends from the respective narrow side and is perpendicular to the plane of the broad side at that point.The projections preferably form a kind of half-shell on each narrow side of the shaft, whereby the two half-shells preferably do not meet, so that a guide groove is formed between the two half-shells on both sides.

[0021] In a fastening pin shaped in this way, the guide channel in the guide block of the separating element preferably has a circular guide cross-section, which is waisted by at least one, preferably two, opposing guide ribs that engage in the guide grooves between the projections on the shaft of the fastening pin. This allows the fastening pin to be guided through the guide block and locked into place only at the desired rotation angles, offset by 180 degrees.

[0022] According to a further preferred embodiment of the container according to the invention, the guide channel in the guide block has a longitudinal extension that prevents the shaft of the fastening pin from tilting or jamming in the guide block. The guide block is therefore not merely an opening in the separating element for attaching it to a mounting opening in the side wall of the container, but rather it guides the fastening pin in such a way that it is held in a specific orientation and angle on the separating element. The fastening pin cannot then tilt in the mounting opening on the side wall, so that overall, even if the snap-fit ​​connection should have relatively large tolerances, a very stable fastening of the separating element to the side walls results.

[0023] The separating element of the container according to the invention is preferably a plastic plate with a circumferential stabilizing rim projecting perpendicularly to the plate plane, wherein the guide block for the fastening pin is integrally formed at a corner of the plastic plate against the stabilizing rim. There, the guide block does not interfere, it is easy to manufacture using injection molding, and it can ensure stable and easily accessible fastening of the separating element to a side wall.

[0024] To increase the stability of a container according to the invention with an inserted separating element, it is preferred if the side walls each have more than one fastening opening per separating element and the separating element itself is provided with at least one stabilizing pin which can be inserted into such an additional fastening opening and, in addition to the snap connection according to the invention by means of a fastening pin, achieves a stabilization of the container according to the invention without having to provide an additional fastening pin.

[0025] A particularly preferred embodiment of the present invention is one in which the side walls of the container according to the invention each have a plurality of fastening openings arranged in a grid. This not only allows for a corresponding plurality of different positions for the partition elements or the use of partition elements of different heights, but also has a visual effect and can additionally ensure good ventilation of the interior of the container.

[0026] To further improve the stability of the container according to the invention, rails can be attached to the bottom of the container, running perpendicular to the side walls and guiding or stabilizing the separating element.

[0027] The present invention also comprises a fastening pin for the container described above, which is specifically shaped for the inventive properties of the container and some of its preferred embodiments. This fastening pin is made of plastic and has a head and a shaft. The shaft has a flattened area at its front end, opposite the head, with two broad sides and two narrow sides, wherein this flattened area is elastically deformable in a direction perpendicular to the broad sides. The flattened area of ​​the fastening pin is also provided with a locking opening or a locking lug, while the entire shaft of the fastening pin has a flattened basic shape with two broad sides and two narrow sides.With the exception of the aforementioned flattened area of ​​the shaft, projections are formed on both sides of the flattened basic shape on the narrow sides, which, initially in a direction perpendicular to the broad sides, continue from the respective narrow side in the form of a cylindrical shell section.

[0028] An exemplary embodiment of a plastic container designed according to the invention is described and explained in more detail below with reference to the accompanying drawings. For the sake of completeness, it should be noted that the following description and the drawings are to be understood as examples only and do not limit the scope and extent of the invention, since several features may also be designed differently or be omitted according to the invention. Nevertheless, the following description and the drawings may contain features essential to the invention.

[0029] They show: Fig. 1 an isometric overall view of a container designed according to the invention; Fig. 2 an exploded view of the locking connection in the exemplary embodiment according to Fig. 1; Fig. 3 a sectional view of the locking connection; Fig. 4 a fastening pin designed according to the invention.

[0030] The Fig. Figure 1 is an isometric representation of a container designed according to the invention, made of injection-molded plastic, with a base 1, two opposing side walls 2, 2', a rear wall 3 and a lowered front wall 4, as well as two separating elements 5, 5' arranged therein, each of which is detachably attached to the side walls 2 and is guided by a rail 6 in the base 2.

[0031] The container shown here is used for storing small parts and can be supplemented by stacking further containers on top of it. For this purpose, a support rim 7 is located on the outside of the base 1, which can be fitted onto the upper rim 8 of another container (not shown).

[0032] The side walls 2, the rear wall 3 and also the lowered front wall 4 of the in Fig. The container shown in Figure 1 is provided with a grid of circular openings 9, which on the one hand have an optical effect, but on the other hand can also serve as fastening openings 10, 10' for the partition elements 5. These partition elements 5 are detachably fastened to the side walls 2, 2' by means of fastening pins 11, 11', as will be explained in more detail with reference to the further figures.

[0033] Fig. Figure 2 shows an enlarged, cutaway partial view of the container. Fig. 1, how the separating element 5 can be attached to a side wall 2 by means of the fastening pin 11, which comprises a shaft 12 and a head 13.

[0034] The separating element 5 is, as in Fig. As can be clearly seen in Figure 2, a plastic plate manufactured by injection molding has a surrounding stabilizing rim 14 projecting perpendicularly to the plate plane. In addition to two stabilizing pins 15, each engaging a mounting opening 10', 10" from the grid of openings 9, a guide block 16 is molded onto the stabilizing rim 14 in an upper corner of the separating element 5, which rests against the mounting opening 10. This guide block contains a guide channel 17 through which the shaft 12 of the mounting pin 11 can be inserted to engage behind the guide block 16 in a locking element, which here is designed as a locking lug 18. The locking lug 18 is molded onto a locking surface 19 on the separating element 5 and engages in a locking opening 20 in the shaft 12 of the mounting pin 11.

[0035] How Fig. As illustrated in Figure 2, the guide block 16, together with the guide channel 17, is dimensioned in its longitudinal extent such that the shaft 12 of the fastening pin 11 cannot tilt relative to the separating element 5 when it is seated in the guide channel 17. This ensures a stable connection between the separating element 5 and the side wall 2, even if the side wall 2 should twist due to mechanical stress when moving the container, or if the components are manufactured with tolerances that cannot guarantee a secure fit of the head 13 of the engaged fastening pin 11 on the side wall 2.

[0036] Since all openings 9, which are arranged in a grid pattern in the side wall 2, can serve as mounting openings 10, the separating element 5 can be attached to the side wall 2 in a large number of different positions. To do this, the user only needs to release the locking connection between the shaft 12 of the mounting pin 11 and the locking lug 18 on the separating element 5, pull the mounting pin 11 out of the guide block 16 and the mounting opening 10, after which the separating element 5 can be repositioned and reattached using the mounting pin 11. Accordingly, the base 1 of the container is also provided with a multitude of rails 6.

[0037] The fastening of the separating element 5 to the side wall 2 by means of the fastening pin 11 is shown by reference to Fig. Figure 3 is best understood. This sectional view shows the snap-fit ​​connection in which the snap-fit ​​lug 18 of the separating element 5 engages in the snap-fit ​​opening 20 in the shaft 12 of the fastening pin 11. This causes the head 13 of the fastening pin 11 to rest on the area surrounding the fastening opening 10 in the side wall 2, while the guide block 16 of the separating element 5 rests against the inside of the side wall 2.

[0038] It becomes clear here that the guide channel 17 in the guide block 16 has a length extension that guides the shaft 12 of the fastening pin 11 and holds it in its angular position relative to the separating element 5, so that it cannot tilt or jam within the guide block 16.

[0039] The guide channel 17 is also spaced from the plane of the detent surface 19 of the separating element 5 in such a way that a flattened area 21 at a front end 22 of the fastening pin 11 maintains a distance from the detent surface 19, even when the detent lug 18 engages in the detent opening 20 of the fastening pin 11, thus establishing the detent connection. The distance between the flattened area 21 of the fastening pin 11 and the detent surface 19 allows the front end 22 of the fastening pin 11 to be easily grasped with the fingers or a fingernail to bend the shaft 12 away from the detent surface 19 and thereby release the shaft 12 from the detent engagement with the detent lug 18.

[0040] The exact shape of the fastening pin 11 will be described below using the following information. Fig. 4 discussed in more detail, which relate to four Fig. divides into 4a to 4d.

[0041] Fig. Figure 4a shows an isometric view of the fastening pin 11 from the preceding figures, taken from a slightly oblique angle above. The fastening pin 11 is made of injection-molded plastic and consists of a flat head 13 and a shaft 12. The latter has a flattened area 21 at its front end 22, with two broad sides 23 and two narrow sides 24, of which only one is visible in this perspective. The locking opening 20 extends through the broad sides 23.

[0042] As this illustration clearly shows, the entire shaft 12 of the fastening pin 11 has a flattened basic shape with two broad sides 23 and two narrow sides 24, whereby, with the exception of the flattened area 21, a projection 25 in the form of a cylindrical shell section is formed on both narrow sides 24. A guide groove 26 is formed between these projections on each of the broad sides 23 of the shaft 12, into which correspondingly shaped guide ribs 27 are inserted (see figure). Fig. 3) can engage in the guide block 16 of the separating element 5. The fastening pin 11 can thus only be in the orientation shown in Fig. 2 is shown, or rotated by 180° and inserted into the guide block 16, so that in any case after being inserted through the guide block 16 it automatically snaps elastically into the locking lug 18 of the separating element 5.

[0043] The circular fastening opening 10 (cf.) is formed by the projections 25, which form a kind of half-shell. Fig. 2) Despite the flattened shape of the shaft 12 of the fastening pin 11, the shaft 12 fills the opening almost without play. The fastening pin 11 can therefore fill the circular fastening opening 10 largely without play and yet simultaneously be elastically deformable enough to create a snap connection with the locking lug 18 of the separating element 5 – which, due to a gap between the front end 22 or the flattened area 21 of the shaft 12 and the locking surface 19, can be easily released again with the fingers.

[0044] The dimensioning of the guide block 16 on the separating element 5 prevents the fastening pin 11 from tilting and thus also ensures a secure and stable connection of the separating element 5 with the side wall 2.

[0045] The Fig. 4b, Fig. 4c and Fig. 4d are a side view, a section view along line AA and a top view of the fastening pin 11 from Fig. 4a, which allows further insights to be gained. The details of the fastening pin 11 are each provided with the same reference symbols as in Fig. 4a, so that the preceding description to Fig. 4a can be referred to.

[0046] Fig. Figure 4d finally illustrates, as a top view of the front end 22 of the fastening pin 11, the shape of the shaft 12 with its cylindrical projections 25, which form the guide grooves 26 between them. Reference symbol list: 1. Floor 2. Side walls 3. Back panel 4. Front wall 5. Separating element 6. Rail 7. Standing edge 8. Top edge 9. Openings 10. Mounting opening 11. Fastening pin 12. Shaft 13. Head 14. Stabilizing edge 15. Stabilizing pin 16. Leadership block 17. Guide channel 18. Rastnase 19. Rest area 20. Rest opening 21. Flattened area (out of 12) 22. Front end (of 11) 23rd broadside (of 21) 24. Narrow side (of 21) 25. Cantilever 26. Guide groove 27. Guide bridges

Claims

[1] Container made of plastic, with a base (1) and at least two opposing side walls (2), and with at least one separating element (5) which is detachably attached to both side walls (2), wherein each side wall (2) has at least two fastening openings (10), in particular circular fastening openings (10) for the separating element (5), wherein the separating element (5) is detachably attached to each side wall (2) by at least one fastening pin (11), wherein the fastening pin (11) has a head (13) and a shaft (12), wherein the shaft (12) of the fastening pin (11) extends through a fastening opening (10) of the respective side wall (2) and is detachably attached to or in the separating element (5) by means of a snap connection, and wherein the head (13) of the fastening pin (11) is not suitable, due to its geometry, to be guided through the fastening opening (10), characterized by, that the separating element (5) has a guide block (16) near the mounting opening (10) of the side wall (2) with a guide channel (17) for the shaft (12) of the mounting pin (11), through which the shaft (12) of the mounting pin (11) is inserted, that the shaft (12) of the fastening pin (11) has a shaft cross-section that is not rotationally symmetric or has at most twofold rotational symmetry, and that the guide channel (17) has, at least at one point or at least in some areas, a cross-section that is adapted to the shaft cross-section, so that the shaft (12) of the fastening pin (11) can be inserted through the guide channel (17) in at most two rotation angle positions. [2] Container according to claim 1, wherein the shaft (12) of the fastening pin (11) has at least at its front end, away from the head (13), a flattened area (21) with two broad sides (23) and two narrow sides (24), which is elastically deformable in a direction perpendicular to the broad sides (23) and, viewed from the head (13) of the fastening pin (11), extends beyond the guide channel (17) of the guide block (16) and engages there in a detent element on or in the separating element (5). [3] Container according to claim 2, wherein the flattened area (21) of the fastening pin (11) lies flat with one of its broad sides (23) on a locking surface (19) of the separating element (5) or runs parallel to it, is engaged in a locking element on or in the locking surface (19) and can be released from the locking connection by elastic deformation of the flattened area (21). [4] Container according to claim 3, wherein the guide channel (17) is arranged in the guide block (16) such that the flattened area (21) of the fastening pin (11) remains spaced away from the detent surface (19) to allow the front end of the fastening pin (11) to engage behind it to release the detent connection. [5] Container according to one of claims 3 or 4, wherein the flattened area (21) of the fastening pin (11) is provided with a detent opening (20), while on the detent surface (19) of the separating element (5) a detent element designed as a detent lug (18) is arranged which engages in the detent opening (20), or vice versa. [6] Container according to claim 5, wherein the locking lug (18) has a sawtooth shape, the gently rising flank of which is arranged towards the guide block (16). [7] Container according to at least one of claims 2 to 6, wherein the shaft (12) of the fastening pin (11) has a flattened basic shape with two broad sides (23) and two narrow sides (24), wherein a projection (25) is formed on each of the narrow sides (24), at least over part of the length of the shaft (12), which extends from the respective narrow side (24) in a direction perpendicular to the broad sides (23) and continues in the form of a cylindrical shell section. [8] Container according to claim 7, wherein a guide groove (26) is formed between the projections (25) of each of different narrow sides (24). [9] Container according to claim 8, wherein the guide channel (17) in the guide block (16) has a circular guide cross-section which is waisted by at least one, preferably two oppositely arranged guide webs (27) which engage in the guide grooves (26) between the projections on the shaft (12) of the fastening pin (11). [10] Container according to at least one of claims 1 to 9, wherein the guide channel (17) in the guide block (16) has a longitudinal extension which prevents the shaft (12) of the fastening pin (11) from tilting or jamming in the guide block (16). [11] Container according to at least one of claims 1 to 10, wherein the separating element (5) is a plastic plate with a circumferential stabilizing edge (14) projecting perpendicularly to the plate plane, and wherein the guide block (16) is integrally formed at a corner of the plastic plate against the stabilizing edge (14). [12] Container according to at least one of claims 1 to 11, wherein the side walls (2) each have more than one fastening opening (10) per partition element (5) and the partition element (5) is provided with at least one stabilizing pin (15) which is inserted into a fastening opening (10). [13] Container according to at least one of claims 1 to 12, wherein the side walls (2) each have a plurality of fastening openings (10) arranged in a grid. [14] Container according to at least one of claims 1 to 13, wherein at least one rail (6) extending perpendicular to the side walls (2) is attached to the bottom (1) and guides the separating element (5). [15] Fastening pin (11) for a container according to at least one of claims 1 to 14, wherein the fastening pin (11) is made of plastic and has a head (13) and a shaft (12), wherein the shaft (12) of the fastening pin (11) has at least at its front end, which is away from the head (13), a flattened area (21) with two broad sides (23) and two narrow sides (24) which is elastically deformable in a direction perpendicular to the broad sides (23), wherein the flattened area (21) of the fastening pin (11) is provided with a detent opening (20) or with a detent lug (18), wherein the shaft (12) of the fastening pin (11) has a flattened basic shape with two broad sides (23) and two narrow sides (24), wherein on the narrow sides (24), at least over part of the length of the shaft (12), a projection (25) is formed on both sides, which initially extends in a direction perpendicular to the broad sides (23) from the respective narrow side (24) and continues in the form of a cylindrical shell section.

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