Slack line device

Abstract

The invention relates to a slackline apparatus (10) consisting of a body (12) with at least one bearing part (16) and two opposite ends (18, 20), the ends (18, 20) being arranged so as to be elevated with respect to the at least one bearing part (16), with a webbing (14) which, in the assembled state of the slackline apparatus (10), is tensioned between the two ends (18, 20) of the body (12). The slackline apparatus (10) is preferably portable. Strictly speaking, the slackline apparatus (10) according to the invention is not a slackline in the true sense of the word, but an apparatus which, by virtue of a slightly different type of construction, very realistically imitates the action of a slackline for the user.

Description

Technical Field

[0001] The present invention relates to a slackline device. In particular, the present invention relates to a slackline device that is easy to assemble, movable, and used for various applications.

Background Art

[0002] Slackline devices are commonly used for slacking or slackring. Slacklining or slackring has here established itself as a trend sport that has established itself as a leisure sport and in the high-performance and competitive sectors. However, slacking is considered to be at least similar to tightrope walking, but is also used as a rehabilitation means for muscle strengthening and balance training. Furthermore, various potential uses of this type of slackline device are conceivable, and not all of them are listed for the sake of simplicity.

[0003] A slackline device typically comprises a webbing that is stretched between two fastening points. This webbing is generally called a slackline and corresponds approximately to the German terms "Slackrope" or slackline. The user maintains their balance on this slackline, which requires concentration and adjustment in addition to pure balance.

[0004] For example, in contrast to the ropes used in tightrope walking or suspension ropes such as those used in the circus, the webbing of a slackline device is in most cases a flat webbing that flexes dynamically during use, so the user requires special relaxation movements. Thus, in contrast to a suspension rope, a slackline is not tensioned to the extent that the slackline hardly moves. Instead, the slackline stretches under the load of the user, who is typically also called a slackliner. Since this slackline operates very dynamically, it is necessary to constantly and actively counteract the inherent movement of such a slackline.

[0005] In the most specific applications known to date, the webbing (slack line) is stretched between two trees or other fixed points in the landscape. In the absence of natural fixed points such as trees or rocks, in most cases, a self-standing scaffold made of steel can also serve as a fixed point for the webbing of the slack line device.

[0006] To enable the described dynamic characteristics, it is most common to stretch the webbing over a length of several meters. In most cases, the distance between the two fixed points of the webbing is more than 10 m. Depending on the specific application, this type of slack line can also be stretched over 30 m, 40 m or even several hundred meters. This type of slack line device correspondingly requires a relatively large space.

[0007] A space-saving configuration of the slack line device would be advantageous considering various specific applications, but so far it has not been possible to implement it in a convenient way. When the slack line is suspended between two points that are very close to each other, the kinetic properties of the slack line are no longer provided. A more elastic webbing configuration than usual does guarantee a certain dynamics, but it will greatly change the extremely dynamic movement behavior that is characteristic of that slack line. SUMMARY OF THE INVENTION PROBLEM TO BE SOLVED BY THE INVENTION

[0008] Accordingly, an object of the present invention is to provide a slack line device that has a relatively compact structure, is transportable in a mobile manner, and can be assembled in a relatively simple way. The slack line device according to the present invention provides the user with a typical movement experience of the slack line or at least mimics this movement experience substantially, despite its compact configuration. MEANS FOR SOLVING THE PROBLEM

[0009] According to a first aspect of the present invention, this object is achieved by the slack line device of claim 1, the slack line device comprising at least one bearing part and a body having two opposite ends arranged to be higher relative to at least one bearing part, and in the assembled state of the slack line device, a webbing being pulled between the two ends of the body, characterized in that the slack line device is configured such that the body is more elastic than the webbing.

[0010] The property according to the fact that the body is configured to be more elastic than the webbing means that the whole body is more elastic than the whole webbing. It is not essential that neither the body nor the webbing has linear elastic behavior. In fact, this is often not the case at least.

[0011] Since the body is configured to be more elastic compared to the webbing, when tension is applied to the slack line device, the body deforms more than the webbing.

[0012] In contrast to conventional slack line devices, the dynamic characteristics in the slack line device according to the present invention thus do not result from the elongation or longitudinal variation of the webbing that bears the load, but rather substantially from the variation of the shape of the body depending on the load. As a result, the slack line device according to the present invention can be configured to be relatively small and compact.

[0013] In such a case, the webbing is actually correspondingly short, so when normal slack line material is used, the length of the webbing due to tension or elongation hardly changes in terms of its length. However, the necessary longitudinal change is caused by the change in the shape of the body, i.e., the change in the distance between the two fastening points of the webbing. In other words, the body deforms under load, and as a result, the two opposite ends of the body dynamically change their mutual distance, and the webbing is tensioned between the two opposing ends.

[0014] This is a significant difference compared to conventional slack line devices where the distance between the two fastening points of the webbing is usually fixed or at least does not vary much. This is particularly easy to understand when a steel structure is used as the support for the web, or when the webbing is suspended between two trees or two rocks.

[0015] Strictly speaking, the slack line device according to the present invention is thus not a slack line in the actual sense, but nevertheless, by a somewhat different kind of design method, it is a device that very realistically mimics the behavior of a slack line for the user. Therefore, the term "slack line device" is here understood in a relatively broad sense and is not limited to a special material or shape of the body and the webbing. The slack line device according to the present invention is also not limited to a specific known use.

[0016] Note that the bearing part of the body may be configured in various ways. This bearing part helps to install the slack line device on a hard ground. In principle, a separate part of the body serves to install the slack line device on a hard ground. A plurality of bearing parts can be provided. Similarly, these bearing parts on which the slack line device is supported on a hard ground may change as a result of the body moving relative to the hard ground during the use of the slack line device. Therefore, the expression "at least one bearing part" is used here.

[0017] According to an improvement example of the present invention, the elastic modulus of the webbing is higher than that of the body. Preferably, the elastic modulus of the webbing is at least twice, at least five times, or at least ten times higher than that of the body.

[0018] The above-described motion characteristics of the slack line device according to the present invention have been demonstrated to be best implemented in this way. As described above, the motion characteristics are substantially caused by the resulting deformation of the body.

[0019] According to an improved example, the body is configured as a board. This board is preferably a wooden board made of wooden veneer.

[0020] The dynamic characteristics can be implemented in a cost-effective manner as a result of this type of configuration. Furthermore, the slack line device with the body configured as a board can be configured as a relatively lightweight device that can be easily carried by hand.

[0021] According to a further improved example, the bearing part is arranged between the two ends and is integrally connected to the two ends.

[0022] Thus, the slack line device according to the present invention is ideally very simply composed of a small number of parts.

[0023] According to a further improved example, the two ends are each configured as an end or tip of the body that curves upward with respect to the bearing part. The body, or the board, is preferably continuously curved at the transition part between the at least one bearing part and the end.

[0024] Therefore, the body has a shape similar to that of a skateboard board. In addition to the normal balance training that can be performed using the slack line device, the slack line device according to the present invention can be further tilted to rotate around one axis or multiple axes, similar to a skateboard. As a result, the user is provided with a completely new experience and at the same time enables various additional types of uses and applications of the slack line device according to the present invention compared to conventional slack line devices. Both the webbing and the body or board can move in almost any way with respect to a hard surface.

[0025] In a further improvement example, the distance between both ends is defined to be less than 2.5 m, less than 2 m, and further less than 1.5 m.

[0026] Thus, the slack line device of the present invention is configured to be very compact and easy to manage. Due to the elastic characteristics of the main body described above, it is also possible to reduce the distance between two suspension points of the webbing, that is, the distance between two ends of the main body, to less than 1 m without losing the motion characteristics necessary for slack.

[0027] In a further improvement example, it is provided that the width of the main body is smaller than the distance between two ends measured orthogonal to the width.

[0028] According to a further improvement example, the main body in the longitudinal cross-section has a concavo-convex shape, a rocker shape, and / or a warped shape.

[0029] The different dynamic motion characteristics of the main body and the static support characteristics of the main body on a hard ground are derived as a function of the longitudinal cross-sectional shape of the main body.

[0030] It is understood that the described longitudinal cross-sectional shapes can be combined with each other, similar to a skateboard, a snowboard, and skis.

[0031] According to a further improvement example of the slack line device according to the present invention, the webbing is removably connected to at least one of two ends of the main body.

[0032] Therefore, the slack line device does not need to be shipped in a pre-assembled state, and the user can assemble it at any time and disassemble it again after use.

[0033] Like a normal slack line device, the webbing is preferably configured as a flat webbing, the cross-sectional width of which is desirably from 10 mm to 60 mm, and the cross-sectional height of which is measured orthogonally to the width and is at most half of the cross-sectional width.

[0034] The webbing can include at least one of polyester, polyamide, twine or hemp materials and can also be combined with each other.

[0035] According to a further improvement example of the slack line device according to the present invention, in the assembled state of the slack line device, a second webbing is tensioned between two ends of the main body, and the two webbings are arranged so as to be parallel to each other.

[0036] This improvement example enables further exercises and specific applications of the slack line device according to the present invention without requiring relatively high complexity in terms of assembly. The two webbings are preferably each detachable from the main body, so that a user of the slack line device according to the present invention can use the slack line device with only one or optionally two webbings.

[0037] Of course, the slack line device according to the present invention can also be configured to be usable with two or more webbings of the above-mentioned slack line device.

[0038] According to a second aspect of the present invention, the above object is achieved by the slack line device of claim 18, the slack line device comprising at least one bearing part and a body having two opposite ends arranged to be higher relative to the at least one bearing part, and a webbing stretched between the two ends of the body in the assembled state of the slack line device. The slack line device according to this aspect has a first planar wall portion at the first end of the two ends, which has a first slot penetrating the body. In the assembled state of the slack line device, the webbing is guided through the first slot by a first loop formed by folding back the first end of the webbing, the first locking element is guided through the first loop, and the first locking element is supported on the first planar wall portion on both sides of the first slot by two end pieces facing each other in the longitudinal direction of the first locking element.

[0039] This aspect of the present invention relates in particular to a kind of attachment and assembly of webbing on the body of a slack line device that is relatively easy to implement. The webbing can ideally be assembled to the body very simply using a small number of elements and pre-tensioned manually to the desired tension.

[0040] By folding or bending back the first end of the webbing to form the first loop, the webbing in this area lies on top of itself, resulting in friction or resistance depending on the direction. When the webbing interacts with the locking element, a mechanism is created that functions as a locking or fixing mechanism when tension is applied to the webbing. However, when pulling on the end of the first loop, the mechanism does not lock and excess webbing material is pulled out. Therefore, the webbing can ideally be tensioned by hand in a simple manner.

[0041] When additional force is applied during the pulling operation, due to the elastic properties described above, the body begins to bend like an arc. As a result, the distance between the suspension points of the webbing at the two opposite ends of the body decreases, causing the webbing to loosen. In this way, more webbing material can be pulled out through the first slot, and the webbing is firmly pre-tensioned.

[0042] According to an improvement example, a second loop is fixedly arranged at the first end of the webbing. The second loop is not guided through the first slot in the state where the slack line device is assembled and is arranged below the remaining part of the webbing. Therefore, the second loop is arranged between the remaining part of the webbing and the body.

[0043] During the above-described assembly procedure, a pin or other auxiliary means that can apply a tensile force to the webbing so as to manually pre-pull the webbing in advance can be guided, for example, through this second loop arranged at the first end of the webbing. As a result, the ergonomic procedure of the pulling procedure is greatly simplified.

[0044] The second loop is now called "fixedly arranged", which is intended to clarify that the second loop is a fixedly assembled loop and is not made simply by folding or overlapping the webbing, in contrast to the first loop.

[0045] According to a further improvement example, the first locking element comprises a substantially cylindrical central piece, which is arranged between two substantially cylindrical end pieces. The two end pieces have a larger diameter than the central piece.

[0046] As a result, in each case, a kind of roller is formed on the two end pieces of the locking element, and the roller can roll on the flat wall parts arranged at both end pieces of the body during the tensioning of the webbing. This simplifies the webbing pulling procedure because this ensures that the webbing in the pulled state does not get stuck between the first locking element and the first slot.

[0047] According to a further improvement example of the slack line device according to the present invention, the second end of the two ends includes a second flat wall portion having a second slot penetrating the main body. In the assembled state of the slack line device, the webbing is guided through the second slot by a third loop fixedly arranged at the second end of the webbing, and the fixing element is guided through the third loop.

[0048] This fixing element is preferably configured as a fixing pin guided through the third loop in the same manner as the first locking element. In this way, the webbing preferably comprises two fixedly arranged loops, now called the second loop and the third loop. Therefore, the webbing can be removably connected to both ends of the main body, and the webbing can be completely removed from the main body after use of the slack line device.

[0049] It is understood that the features described above and described below can be used not only in the respective combinations described, but also in other combinations and individually without departing from the scope of the present invention. Furthermore, any of the improvements described above are related not only to the slack line device according to the first aspect of the present invention, but also to the slack line device according to the second aspect of the present invention in the same or equivalent manner.

Brief Description of the Drawings

[0050] Embodiments of the present invention are illustrated in the drawings and will be described in more detail in the following description.

Figure 1

Figure 2a

Figure 2b

Figure 2c

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7a

Figure 7b

Figure 7c

Figure 7d

Mode for Carrying Out the Invention

[0051] FIGS. 1 to 7 show a plurality of embodiments of the slack line device according to the present invention. Among them, the entire slack line device is identified by reference numeral 10 in each case.

[0052] The slack line device 10 is composed of a main body 12 and a webbing 14 fastened to the main body 12. As will be described in detail below, the webbing 14 is detachably arranged on the main body 12.

[0053] The main body 12 according to this embodiment is configured as a board whose shape is similar to that of a skateboard or a snowboard. The dimensions of this board are basically similar to those of a skateboard or a snowboard, which does not mean any kind of limitation.

[0054] The main body 12 configured as a board is preferably composed of a wooden veneer. However, basically, it is also conceivable to use a synthetic material as the material of the main body 12.

[0055] The webbing 14 is preferably a flat webbing as already used in conventional slackline devices. The webbing 14 can be manufactured, for example, from polyester, polyamide, twisted cord and / or hemp fibers. Of course, further materials are also conceivable here.

[0056] The main body 12 consists of a bearing part 16 and two end parts 18, 20, and the end parts 18, 20 are arranged on opposite sides of each other and form two longitudinal ends of the main body 12. These end parts 18, 20 are currently referred to as the first end part 18 and the second end part 20, and in the illustrated exemplary main body, they are configured as upwardly curved end parts. The two end parts 18, 20 are integrally connected to the bearing part 16 and are arranged to be higher than the bearing part 16.

[0057] In this case, the lower side of the main body 12 becomes the bearing part 16. One or more bearing parts 16 are provided according to the shape or the longitudinal cross-sectional shape of the main body 12. This means that the lower side of the main body 12 touches the hard ground at one or more places. Of course, these positions may change during the use of the slackline device 10. In principle, it is also conceivable to attach further bearing elements to the lower side of the main body 12, and in this case, further bearing elements forming at least one bearing part 16 are conceivable.

[0058] The transition portions between the central portion or bearing portions 16 and the two end portions 18, 20 are preferably configured as continuously curved arcuate transition portions in each case. However, in principle, it is also possible to provide a twist here. However, the arcuate curved portion has the advantage that the main body 12, and thus the entire slack line device 10, can be moved more easily and continuously. In this way, the user has a higher degree of freedom and more diverse uses of the slack line device 10 are possible.

[0059] In the presently shown embodiment, the webbing 14 is removably arranged on both end portions 18, 20. For this purpose, a first slot 22 is provided in the first end portion 18 and a second slot 24 is provided in the second end portion 20. It is desirable that both slots 22, 24 also completely penetrate the main body 12.

[0060] Furthermore, a locking element 26 and a fixing element 28 are used for the assembly of the webbing 14. No other parts are required to assemble the slack line device 10. The method and procedure of assembly will be described in detail below.

[0061] Figures 2a to 2c show a plurality of diagrams that schematically visualize the intended uses of the slack line device 10. It should be pointed out that the types of uses shown here are only three exemplary uses of the various potential uses of the slack line device 10. Apart from the basic possibility of balancing on the webbing 14 of one or both feet, the user 32 can further tilt the main body or board 12 or rotate the main body or board 12 in any desired way similar to what is possible with a skateboard.

[0062] A further peculiarity of the slack line device 10 according to the present invention is that the body 12 is configured to be more elastic than the webbing 14. As a result, using the slack line device 10 according to the present invention, it is possible to simulate or imitate the behavior of the webbing 14 similar to that of a conventional slack line device. This is particularly possible even though the webbing 14 of the slack line device 10 according to the present invention is configured to be substantially shorter than that of a normal slack line device.

[0063] As a result of the characteristics of the body 12 being configured to be more elastic than the webbing 14, the body 12 in a loaded state deflects more than the webbing 14. The body or board 12 bends in a loaded state. In other words, the bearing part 16 and / or the ends 18, 20 deflect in such a way that the distance between the two fastening points of the webbing 14, or the distance between the two slots 22, 24, varies dynamically. This change in distance causes a change in the tension or elongation of the webbing 14. Therefore, this variation in the tension or elongation of the webbing 14 is caused mainly not by the elongation of the webbing 14 itself or the longitudinal variation of the webbing 14, but mainly by the variation in the distance of the suspension points of the webbing 14 on the body 12.

[0064] Naturally, the longitudinal variation of the webbing 14 itself also occurs in a loaded state. However, compared with the variation in the distance of the suspension points of the webbing 14, the elastic modulus of the webbing is much higher than that of the body, so the longitudinal variation can be ignored.

[0065] The assembly of the webbing 14 on the body 12 is illustrated in the order of the steps of FIGS. 3 to 5. First, at present, an end 30 of the webbing 14, which is now called the second end, is guided from the outside through the second slot 24 and fixed to the body 12 with the help of the fixing element 28. The fixing element 28 is configured as a pin introduced into a loop 34 provided at the second end 30 of the webbing 14. Similarly, a loop 38 is also provided at the first end 36 on the opposite side of the webbing 14. Both loops 34, 38 are fixedly arranged loops fixed, for example, by stitching or adhesion.

[0066] In the next step, as schematically shown in FIG. 4, the first end 36 including the loop 38 provided thereon is folded back. As a result of this folding operation, a further (movable) loop 40 is created. The webbing 14 is pushed in from the outside through the first slot 22 via this folded loop 40 (see arrow 42). Subsequently, as schematically shown by the arrow 44 in FIG. 4, the locking element 26 is introduced into the loop 40. Next, the webbing 14 is pulled at its first end 36. For this purpose, for example, a rod-shaped auxiliary means 48 can be introduced into the loop 38 arranged at the first end 36 of the webbing 14 in order to firmly pull the webbing 14 (see FIG. 5). When correctly assembled, this loop 38 in the state shown in FIG. 5 is arranged below the webbing 14 and thus between the webbing 14 and the body 12.

[0067] As a result of the folding action shown in FIG. 4, a loop 40 is formed, and the webbing 14 lies on itself, resulting in friction or resistance depending on the direction. The fastening mechanism described blocks or fixes the webbing 14 to the body 12 when tension is applied to the webbing. However, this mechanism does not lock when pulling the first end 36 of the webbing 14, thereby allowing excess webbing material 14 to be pulled out.

[0068] When further force is applied during the tensioning procedure, the body 12 itself begins to bend to form an arc due to its predetermined shape and material properties. As a result, the distance between the two end portions 18, 20 of the body 12 decreases, and as a result, the webbing 14 also loosens. This loosening is simultaneously compensated for by the tensile force applied to the first end portion 36 of the webbing 14. As a result, the webbing 14 can be tightened very easily by hand.

[0069] The locking element 26 functions as an arrester. This locking element 26 is supported on the first end portion 18 on a flat wall portion 54 formed inside the opposing sides of the first slot 22 on the body 12 via end pieces 50, 52 (see FIG. 4) on opposite sides of each other. In a similar manner, at the opposite end, at the second end portion 30 of the webbing 14, the fixing pin 28 on the opposite side of the second slot 24 is also supported on a flat wall portion 56 formed at the second end portion 20 of the body 12.

[0070] In order to prevent the webbing 14 in a state of being wound around and pulled around the locking element 26 from catching on the body 12, the locking element 26 preferably has the following shape as particularly seen in the figure of FIG. 4. The locking element 26 includes a central piece 58 that integrally connects the two end pieces 50, 52 in addition to the two end pieces 50, 52 disposed on both end sides thereof. This central piece 58 is preferably configured to be substantially cylindrical, similar to the two end pieces 50, 52. However, the two end pieces 50, 52 have a larger diameter than the central piece 58. As a result, a kind of roller effect occurs, and as a result, the locking element 26 rolls on the flat wall portion 54 while the webbing 14 is under tension. As a result, jamming of the webbing 14 between the locking element 26 and the slot 22 is significantly prevented.

[0071] To disassemble the slack line device 10 or to release the webbing 14, it is only necessary to remove the fixing element 28. This can be done, for example, by releasing the fixing element 28 with a hammer and a further pin 60 as schematically shown in FIG. 6.

[0072] To summarize, an apparatus that is very easy to assemble and disassemble and can be used by users in various ways is made like this. The slack line device 10 according to the present invention is configured to be portable, can be transported very manageably in most places, and can be used in a minimum space. Nevertheless, the slack line device 10 also provides the user with the option of acting like a conventional slack line device, although this should be desired.

[0073] Furthermore, it is also possible to use the slack line device 10 according to the present invention with two webbings. For this purpose, slots 60, 62, 64, 66 can be further provided at both ends 18, 20 of the main body 12, with the help of which two webbings can be assembled to be parallel to each other on the main body 12 (see FIG. 3). The assembly of the two webbings here is preferably carried out in the manner already described in the context of the webbing 14.

[0074] It is understood that the illustrated embodiment is only one of many potential embodiments of the present invention. Modifications regarding size and shape can be easily made without departing from the scope of the present invention.

[0075] FIGS. 7a to 7d show, for example, various different longitudinal cross-sectional shapes of the main body 12, emphasizing that the main body 12 can also be configured in many variants. Similar to a snowboard, the main body 12 configured as a board can have, for example, a rocker shape, a camber shape, or other concave-convex shapes in its longitudinal cross-section. Combinations of these shapes are also conceivable in principle.

Claims

Claim 1 A slack line device, comprising: a body (12) having at least one bearing part (16) and two opposite ends (18, 20) arranged so as to be higher than the at least one bearing part (16); a webbing (14) that is pulled between the two ends (18, 20) of the body (12) in an assembled state of the slack line device (10). A first end of the two ends (18) includes a first planar wall portion (54) having a first slot (22) penetrating the body (12). In an assembled state of the slack line device (10), the webbing (14) is guided through the first slot (22) by a first loop (40) formed by folding back a first end (36) of the webbing (14), and a first locking element (28) is guided through the first loop (40). The first locking element (28) is supported on the first planar wall portion (54) on both sides of the first slot (22) by two end pieces (50, 52) facing each other along the longitudinal direction of the first locking element (28). The slack line device. Claim 2 A second loop (38) is fixedly arranged at the first end (36) of the webbing (14). In an assembled state of the slack line device (10), the second loop (38) is not guided through the first slot (22) and is arranged below the remaining portion of the webbing (14). Therefore, the second loop (38) is arranged between the remaining portion of the webbing (14) and the body (12). The slack line device according to claim 1. Claim 3 The first locking element (26) includes a central piece, the central piece has a substantially cylindrical configuration, and is arranged between two end pieces (50, 52). The end pieces (50, 52) each have a substantially cylindrical configuration and have a diameter enlarged with respect to the central piece (58). The slack line device according to claim 1 or 2. Claim 4 The second end of the two ends (20) comprises a second planar wall portion (56), the second planar wall portion (56) having a second slot (24) passing through the body (12), and in the assembled state of the slack line device (10), the webbing (14) is guided through the second slot (24) by a third loop (34), the third loop (34) being fixedly arranged at the second end (30) of the webbing (14), and a fixing element (28) being guided through the third loop (34). The slack line device according to any one of claims 1 to 3.

5. The slack line device according to any one of claims 1 to 4, wherein the body (12) is configured to be more elastic than the webbing (14).

6. The slack line device according to any one of claims 1 to 5, wherein the elastic modulus of the webbing (14) is at least twice that of the body (12).

7. The slack line device according to any one of claims 1 to 6, wherein the body (12) is configured as a board.

8. The slack line device according to any one of claims 1 to 7, wherein the bearing portion (16) is arranged between the two ends (18, 20) and is integrally connected to the two ends (18, 20).

9. The slack line device according to any one of claims 1 to 8, wherein the two ends (18, 20) are each configured as an end or tip of the body (12) bent upward with respect to the bearing portion (16).

10. The slack line device according to any one of claims 1 to 9, wherein the distance between the two ends (18, 20) is less than 2.5 m.

11. The slack line device according to any one of claims 1 to 10, wherein the width of the body (12) is less than the distance measured orthogonally to the width between both ends (18, 20).

12. The slack line device according to any one of claims 1 to 11, wherein the body (12) is made of wooden veneer.

13. The slack line device according to any one of claims 1 to 12, wherein the body (12) has an uneven shape, a locker shape, and / or a warped shape in the longitudinal cross-section.

14. The slack line device according to any one of claims 1 to 13, wherein the webbing (14) is detachably connected to at least one of the two ends (18, 20) of the body (12).

15. The slack line device according to any one of claims 1 to 14, wherein the webbing (14) is configured as a flat webbing.

16. The slack line device according to any one of claims 1 to 15, wherein the webbing (14) is made of at least one material selected from the group consisting of polyester, polyamide, twisted cord, and hemp fiber.

17. The slack line device (10) further comprises a second webbing, and in the assembled state of the slack line device (10), the second webbing is stretched between two ends (18, 20) of the main body (12), and the two webbings are arranged to be parallel to each other. The slack line device (10) according to any one of claims 1 to 16.

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