Adapter device for securing a ski boot to a touring ski binding, touring binding, toe piece, and binding system comprising a touring ski binding and an adapter device

Abstract

The invention relates to an adapter device (1) for securing a ski boot (2) to a toe piece device (4) of a touring ski binding (6). The adapter device (1) can be secured to the forefoot part (8) of the ski boot (2) and has a first end (10) and a second end (12), wherein the first end (10) can be secured to the lateral side (11) of the ski boot, and the second end (12) can be secured to the medial side (13) of the ski boot (2). The adapter device (1) is equipped with a securing device (14) for securing the adapter device (1) to the ski boot (2), and the adapter device (1) has a first protrusion (16) at the first end (10) and a second protrusion (18) at the second end (12). When the adapter device (1) is secured to the ski boot, the first protrusion (16) extends in the lateral direction (L) and the second protrusion (18) extends in the medial direction (M). The longitudinal axes (L1, L2) of the first protrusion and of the second protrusion are aligned with each other in order to provide a pivoting axis (S) for pivoting the ski boot (2) about the touring ski binding (6). The invention additionally relates to a ski boot (2), to a touring ski binding (6), and to a binding system (100).

Description

[0001] ADAPTER DEVICE FOR ATTACHING A SKI BOOT TO A TOURING SKI BINDING, TOURING BINDING

[0002] TOE TUBE AND BINDING SYSTEM INCLUDING A TOURING SKI BINDING AND AN ADAPTER DEVICE

[0003] Technical area

[0004] The present invention relates to an adapter device for attaching a ski boot to a touring ski binding, as well as a ski boot and a binding system for touring skis.

[0005] State of the art

[0006] Ski bindings for touring skis can be switched between an ascent mode and a descent mode. In ascent mode, only the front section of the ski boot is fixed to the ski, while the rear section of the ski boot can be lifted from the ski and placed on it. This allows the user to perform a walking motion with the touring ski. The front section of the ski boot pivots around a horizontal axis of the touring ski binding, which is perpendicular to the ski's longitudinal axis.

[0007] In downhill mode, both the front and rear sections of the ski boot are firmly fixed to the ski. The downhill performance of a touring ski is generally limited by the need to provide the ascent function. For example, common touring binding systems, such as so-called bar systems, generally have a higher stand height than pure downhill binding systems, which is detrimental to the ski's handling characteristics.

[0008] In addition to the bridge systems, there are so-called pin systems. Known pin systems have the disadvantage that lateral release behavior, in which the ski boot can release laterally from the binding in downhill mode under increased force, is impaired by the pins penetrating the ski boot. Furthermore, known pin systems use friction-based toe pieces, which require many components and are therefore heavy. DE 102021 134650 A1 proposes an alternative binding system for a touring ski binding, comprising a toe piece and a heel piece. In an ascent mode, the heel piece is open, leaving the user's heel free for walking, and the toe piece is closed to provide a pivot axis in the front of the boot, allowing the user to perform a walking motion.In downhill mode, the toe piece is open and the heel piece is closed. The closed heel piece presses the ski boot along the boot's longitudinal axis against a form-locking mount of the toe piece. In this way, the toe piece can be provided without its own frictional locking mechanism, thus saving material expenditure and weight. However, this solution requires the ski boot to have a bolt-shaped bar that extends transversely to the boot's longitudinal axis from the medial to the lateral side of the boot. Furthermore, the bar must be positioned either in front of the toe or below the sole so that it can be engaged with the toe piece. Providing such a bar on a ski boot is complex compared to boots designed for pin systems, and the bar could hinder or restrict walking without skis.

[0009] In the course of the present invention, it was recognized that pin systems enable a simple and robust ski boot, but require a disadvantageous binding. At the same time, there are alternative, advantageous binding systems that require a disadvantageous boot construction.

[0010] Description of the invention

[0011] Based on the known prior art, it is an object of the present invention to provide an adapter device for a ski boot.

[0012] The object is achieved by an adapter device having the features of claim 1. Advantageous further developments emerge from the subclaims, the description, and the figures.

[0013] Accordingly, an adapter device for attaching a ski boot to a toe piece device of a touring ski binding is proposed. The adapter device can be attached to a forefoot part of the ski boot and has a first end and a second end, wherein the first end can be attached to the lateral side of the ski boot and the second end can be attached to the medial side of the ski boot. A fastening device for attaching the adapter device to the ski boot is provided on the adapter device, wherein the adapter device has a first projection at the first end and a second projection at the second end.When the adapter device is in a state attached to the ski boot, the first projection extends in a lateral direction and the second projection extends in a medial direction, wherein the longitudinal axes of the first projection and the second projection are aligned with each other to provide a pivot axis for pivoting the ski boot about the touring ski binding.

[0014] For the spatial and geometric description of the proposed solutions, both a Cartesian coordinate system XYZ and anatomical directional designations analogous to a foot are used. The longitudinal axis of the shoe is the X-axis, the transverse axis is the Y-axis, and the vertical axis is the Z-axis. When a user is wearing the shoe, the XZ plane is parallel to the user's anatomical midsagittal plane. Consequently, "medial" refers to a direction pointing towards the user's midsagittal plane, and "lateral" refers to a direction pointing away from the user's midsagittal plane. In other words, when the user is wearing the shoe, the big toe rests on a medial side of the shoe and the little toe rests on a lateral side of the shoe.

[0015] As described above, the adapter device has a first end and a second end, wherein the first end is attachable to the lateral side of the ski boot and the second end is attachable to the medial side of the ski boot. In other words, when the adapter device is attached to the ski boot—in short: in the attached state—the first end is arranged on the little toe side and the second end is arranged on the big toe side.

[0016] Because the first protrusion encompassed by the first end extends in a lateral direction and the second protrusion encompassed by the second end extends in a medial direction, the first and second protrusions extend in opposite directions along the shoe's transverse axis, i.e., the Y-axis. Furthermore, because the longitudinal axes of the first protrusion and the second protrusion are aligned with one another, the longitudinal axes of the first protrusion and the second protrusion are parallel to the shoe's transverse axis, i.e., the Y-axis. Accordingly, the pivot axis provided by the first and second protrusions is parallel to the shoe's transverse axis, i.e., the Y-axis.

[0017] Furthermore, because the adapter device can be attached to the forefoot part of the ski boot, a pivot axis for a ski boot can be easily provided. In particular, existing boots can be converted for alternative binding systems that are neither bar systems nor pin systems. Therefore, a user does not need to purchase a special boot for such a proprietary, alternative binding system or undergo the complex process of converting an existing boot.

[0018] Because the first end of the adapter device can be attached to the lateral side of the ski boot and the second end to the medial side of the ski boot and the two ends have the projections providing the pivot axis, a bolt-shaped web extending continuously from the medial to the lateral side of the boot can be dispensed with.

[0019] In particular, it eliminates the need to provide a bolt-shaped bar on the ski boot, positioned in front of the toe or below the sole, as required by the prior art. In this way, the adapter device improves walking without skis compared to the prior art. Furthermore, the proposed projections are more robust, for example, they pose a lower risk of bending or breakage, than a continuous bar.

[0020] Furthermore, the first projection and / or the second projection can be bolt-shaped. In the present case, bolt-shaped means a projection with a substantially round cross-section, for example, a circular or elliptical cross-section. Alternatively, the first projection and / or the second projection can have a polygonal cross-section.

[0021] Furthermore, the fastening device can have a third projection at the first end and a fourth projection at the second end, wherein, when the adapter device is in the state fastened to the ski boot, the third projection extends in the medial direction and the fourth projection extends in the lateral direction. In other words, the third and fourth projections point towards each other. In particular, in the fastened state, the third and fourth projections are thus directed substantially towards the center of the boot or each extend towards the boot. Thus, the third and fourth projections can be engaged with the ski boot, such that the adapter device can be easily fastened to the ski boot.

[0022] According to a further development, the third projection and / or the fourth projection can be designed to engage, in particular to engage in a form-fitting manner, with a recess of the forefoot part in the state fastened to the ski boot.

[0023] For example, the third projection and / or the fourth projection, in the attached state, can engage with a so-called pin eyelet of a typical pin ski boot for a pin binding system. This allows the adapter device to be used particularly easily for a variety of conventional ski boots. In particular, the third or fourth projection can be shaped such that it can engage radially with the pin eyelet in a form-fitting manner. This allows for particularly simple, secure, and precise assembly.

[0024] Furthermore, the first projection and the second projection can be fixedly attached to the forefoot portion of the ski boot when attached to the ski boot. In other words, the first and second projections do not substantially change their position, arrangement, or orientation relative to the ski boot or the remaining components of the adapter device even when the adapter device is released from the ski binding. Thus, the adapter device can be used for a form-lock binding system.

[0025] Furthermore, the first projection and / or the second projection can be configured to engage positively with the toe piece device of the touring ski binding, in particular to engage substantially positively.

[0026] Furthermore, the first projection and the second projection can each have an engagement portion configured to engage with the toe piece device of the touring ski binding, wherein the first projection and / or the second projection have a circular, elliptical, or polygonal cross-section in the engagement portion. In particular, the engagement portion of the first and second projections can positively engage with a holding device and / or a locking device of the toe piece device. For example, the first and second projections can each have an end portion on which an insertion aid, a positioning aid, or a protective cap is arranged.In contrast, the pivot axis can be specifically provided by means of the engagement section, by shaping the engagement section to correspond with the holding device, so that the toe piece device or the holding device provides a pivot bearing for the adapter device. This makes the adapter device even more suitable for use with a form-locking binding system.

[0027] According to a further development, the first projection and / or the second projection in the engagement section can have a cylindrical axis, an elliptical axis, an axis in the shape of a single-shell hyperboloid, or an axis in the shape of a double cone. The shape of a single-shell hyperboloid and the shape of a double cone can enable the corresponding components of the toe-piece device to automatically contact a predetermined position in the engagement section when the adapter device is engaged with the toe-piece device. Furthermore, the first end can have a first outer side facing in the lateral direction, and the second end can have a second outer side facing in the medial direction.For example, the first and second outer sides can be configured to engage positively with a holding device of the front jaw device, preferably to engage substantially positively, in particular in the form of a substantially positive locking along the pivot axis. In other words, by means of the aforementioned engagement position of the first and second outer sides, a movement of the adapter device along the pivot axis can be locked, for example, a translation along the pivot axis, a rotation in the direction of the pivot axis, or a combination thereof.

[0028] According to a further development, the first and second outer sides can be arranged substantially perpendicular to the pivot axis. In this way, the aforementioned blocking of movement of the adapter device along the pivot axis can be achieved particularly robustly.

[0029] Additionally or alternatively, the first outer side can provide a first contact surface and the second outer side can provide a second contact surface, wherein the first and second contact surfaces can be arranged substantially perpendicular to the pivot axis. For example, the first and second contact surfaces can be provided in the form of an elevation or depression relative to the surrounding first or second outer surface. In this way, the provision of the engagement position, in particular the aforementioned positive locking or locking, can be decoupled from the design of the first and second outer surfaces of the adapter device.

[0030] Furthermore, the third and fourth projections can be aligned with the pivot axis. In other words, the longitudinal axes of the first to fourth projections can be aligned with each other. Thus, the first and second projections can be aligned with the pin eyelets of conventional ski boots, so that the pivot axis provided by the first and second projections coincides with the ski boot pivot axis. In this way, the pivot geometry of the adapter device and the conventional ski boot match, so no further adjustment of the ski boot is necessary.

[0031] Furthermore, the first (second) projection can be formed integrally or in one piece with the third (fourth) projection, for example, in the form of a bolt that extends through the first (second) end of the adapter device and can be integrally connected to the end, for example, by welding. In this way, the adapter device can be manufactured particularly simply and robustly.

[0032] Furthermore, the fastening device can comprise a bracket that extends from the first end to the second end. The first and second ends can be encompassed by the fastening device or by the bracket. For example, the bracket can be formed from spring steel and prestressed such that the internal distance from the first to the second end is smaller in the unattached state of the adapter device than in the state attached to the ski boot. In other words, the fastening device can provide a clamping force for attaching the adapter device to the ski boot by means of the prestressed bracket connecting the first to the second end.

[0033] Furthermore, when attached to the ski boot, the fastening device can have a substantially U-shape in a cross-section along a transverse plane, wherein the transverse plane is parallel to a plane spanned by the boot's longitudinal axis and the boot's transverse axis. In the context of the present disclosure, a U-shape is understood to mean that two legs are connected by a central part. The two legs are arranged opposite one another and substantially parallel to one another. The central part extends from an upper / lower end of one leg to an upper / lower end of the other leg. The longitudinal axis of the central part is substantially transverse to the longitudinal axes of the legs. The transition regions between the legs and the central part can be curved, for example, have a radius, or have a radius-free edge. The U-shape does not necessarily have to be mirror-symmetrical to a central plane.For example, a first transition area may have a smaller radius than a second transition area, or vice versa.

[0034] Because the fastening device can have a U-shape, the adapter device can be attached to the ski boot particularly easily, especially to a U-shaped forefoot part of a ski boot. Furthermore, the U-shape allows the above-described pre-tensioning to be provided in a simple and robust manner.

[0035] Furthermore, the fastening device can have a bore for attaching the adapter device to the ski boot by means of a fastening bolt, in particular a screw or a rivet. For example, the bore can be provided in the central part of the U-shape or in the bracket. In this way, a force-fitting fastening of the adapter device to a forefoot part of a ski boot can be provided by means of the fastening bolt. Furthermore, a plurality of such bores can be provided on the fastening device.

[0036] Additionally or alternatively, the fastening device can comprise a suspension line that can be attached to the ski boot or to a user. For example, the suspension line can be attached to the adapter unit at one end by means of a screw connection. The suspension line can have a loop or other detachable fastening means at another end for detachably attaching it to the ski boot or otherwise to a user. The suspension line can reduce the risk of losing the adapter device during a ski tour, for example, if the user is on foot with the adapter device mounted and bumps into an obstacle with the adapter device, or in the event of a heavy fall during a descent.

[0037] The above-mentioned object is further achieved by a ski boot comprising an adapter device according to the above description. Advantageous developments emerge from the present description and the figures. Furthermore, the ski boot can have a forefoot part that can be substantially U-shaped. For example, the forefoot part can have a front side and two pivoting sides that are substantially perpendicular thereto, wherein the pivoting sides are aligned substantially parallel to the sagittal plane.

[0038] Furthermore, the forefoot part can have two shoe recesses, for example in the form of pin eyelets, for receiving the third and fourth projections of the adapter device. In particular, the two shoe recesses can be aligned with each other and arranged parallel to the pivot axis.

[0039] Furthermore, the two shoe recesses can each be located on a pivoting side or in a transition area between a pivoting side and the front side. This allows the adapter device to be easily and robustly attached to the forefoot section using the fastening device.

[0040] The above-mentioned object is further achieved by a touring ski binding having the features of claim 14. Advantageous further developments emerge from the subclaims, the present description and the figures. The touring ski binding comprises a toe piece device having a holding device and a locking device. The holding device has a first end section, a second end section and a central section connecting the first and second end sections, wherein the central section can be fastened to a ski and the first and second end sections are arranged essentially stationary and essentially perpendicular to the central section and essentially parallel to one another. The first end section has a first recess and the second end section has a second recess, wherein the first and second recesses are configured to receive a shaft.The locking device has two pivot arms, each having a hook-shaped recess, which are pivotally attached to the first and second end portions between a locked state and a released state. In the locked state, the pivot arms are pivoted such that the hook-shaped recesses are aligned with the first and second recesses of the holding device, so that the toe piece device provides a pivot bearing for pivotally supporting the shaft about a pivot axis. In other words, the touring ski binding can comprise a toe piece device configured to pivotally lock the adapter device.

[0041] The touring ski binding can, for example, be made of metal, so that the components of the holding device and the locking device are sufficiently rigid, torsion-resistant, and abrasion-resistant. In this way, it can be achieved, for example, that the first and second end sections are arranged essentially stationary.

[0042] In this context, the term "stationary" means that the corresponding components, in particular the first and second end sections of the retaining device, do not significantly change their position under normal operating conditions or when switching between the intended setup or operating states of a ski binding. To define the term "stationary," a counterexample is a conventional pin binding, whose pins can be brought into an engaged position by pivoting them into corresponding pin eyelets of a ski boot using a spring-loaded pivoting mechanism and can be released from the engaged position by pivoting them out. The pins and the corresponding structural components in the form of pivot arms are not stationary, since their position is variable by design.Furthermore, for example, the proposed locking device is pivotable, i.e., movable, while the proposed holding device is essentially stationary.

[0043] Because the first and second end sections of the holding device are arranged essentially stationary, a stationary bearing for the shaft can be provided. The bearing can be provided, in particular, by means of corresponding positive locking mechanisms provided by the holding device or the locking device. Thanks to the stationary bearing, a spring mechanism on the toe assembly, as is common with conventional pin bindings, can be omitted. This allows for weight and component complexity to be saved.

[0044] The shaft, which is not necessarily a component of the proposed touring ski binding, can for example be provided in the form of the first and second projections described above, in particular when these are provided in alignment with one another on a ski boot.

[0045] By providing the pivot bearing for the shaft in the locked state, it is possible to prevent the shaft from moving radially out of the toe piece assembly when rotating or pivoting about the pivot axis. Thus, the locked state can be used for an ascent mode of the touring ski binding.

[0046] Furthermore, the first and second end sections can be configured to engage positively with a first and second outer side of an adapter device attachable to a ski boot, or with a lateral and a medial side of a ski boot, in particular in the form of a positive locking mechanism along the pivot axis. In particular, the locking mechanism along the pivot axis can be implemented essentially in a positive locking manner or exclusively by means of a positive locking mechanism. Accordingly, the locking mechanism along the pivot axis can be implemented or provided without frictional engagement.

[0047] In other words, the first and second end portions of the holding device can be configured to provide a positive locking connection for the adapter device described above along the pivot axis, in that the first and second outer sides of the holding device have a geometrically complementary shape to the adapter device.

[0048] Furthermore, the first end section can have a first holding surface and the second end section can have a second holding surface, wherein the first and second holding surfaces are arranged opposite one another, such that an axial bearing for the shaft is provided by means of the first and second holding surfaces. The position and degrees of freedom of the provided axial bearing relate to the position of the pivot axis about which the shaft can pivot. In particular, the holding surfaces can be provided in a stationary manner on the holding device. Because the holding surfaces are arranged opposite one another, movement of the shaft along the pivot axis can be blocked by means of the holding surfaces. Typically, the shaft has flanges, in this case in the form of the above-described first and second outer sides of the adapter device or in the form of the lateral and medial side of the forefoot part of the proposed ski boot.The axial bearing, which is primarily provided by a positive fit, allows for significantly better power transmission to the edge of the ski when skiing than with conventional pin binding systems, which provide axial bearings via a spring-loaded friction fit. This is because, with conventional pin binding systems, if an axial force parallel to the pivot axis, acting from the ski boot against the spring-loaded axial bearing, counteracts or exceeds the counterforce of the spring load, unwanted axial play occurs, disrupting the flow of power from the user's leg to the ski edge (or vice versa).However, thanks to the proposed form-locking axial bearing, which is due to the first and second end sections of the retaining device being fixed to the center section, such axial play is eliminated, so that the flow of power from the user's leg or boot via the binding to the ski is not disrupted, even under very high loads on the ski edge. Furthermore, since the springs used in conventional pin bindings can be eliminated, a touring ski binding with improved power transmission and at the same time a lighter weight is provided.

[0049] The above-mentioned object is further achieved by a binding system having the features of claim 17. The binding system comprises a touring ski binding and an adapter device according to the above description. Advantageous further developments emerge from the subclaims, the description, and the figures.

[0050] Furthermore, an inner distance between the first and second retaining surfaces can substantially correspond to an outer distance between the first and second outer sides of the adapter device. In other words, the inner distance and the outer distance can be coordinated such that the axial bearing described above is provided. For example, the first and second outer sides can engage with the first and second retaining surfaces, wherein the positive locking prevents movement transverse to the first / second retaining surface or the first / second outer side.

[0051] In particular, the internal distance can be substantially equal to the distance between the first and second contact surfaces (10b, 12b).

[0052] Furthermore, in an operating state in which the adapter device is attached to the ski boot and the adapter device is engaged with the toe piece device of the touring ski binding, the adapter device can be axially mounted parallel to the pivot axis by means of the holding device in order to block any movement of the adapter device parallel to the pivot axis or along the pivot axis. Furthermore, the holding device can provide a stationary axial bearing for the axial mounting of the adapter unit along the pivot axis. In other words, the holding device can be configured to block any movement of the adapter unit along the pivot axis by means of a positive locking mechanism. In other words, the axial mounting or locking along the pivot axis can take place free of a friction-based mechanism. Thus, the axial mounting or locking takes place in a positive locking manner and without friction.

[0053] Short description of the characters

[0054] Preferred further embodiments of the invention are described in the following

[0055] The description of the figures explains it in more detail. They show schematically:

[0056] Figure 1 is a sectional plan view of a ski boot attached

[0057] Adapter device according to an embodiment;

[0058] Figures 2a to 2c show a sectional plan view of a ski boot-mounted

[0059] Adapter device according to further embodiments;

[0060] Figures 3a and 3b each show a partial side view in a downhill mode and in an ascent mode of a touring ski binding according to an embodiment;

[0061] Figures 3c and 3d each show a partial side view in a downhill mode and in an ascent mode of a touring ski binding according to a further embodiment;

[0062] Figure 4 is a frontal view of a back of a binding system according to a

[0063] Example of implementation;

[0064] Figures 5a and 5b show various shaped first / second projections of an adapter device according to further embodiments

[0065] Figure 6a shows a partially sectioned top view of an adapter device attached to a ski boot according to an embodiment, as well as a binding system; Figure 6b shows a partial top view of an exemplary adapter device arranged in a touring ski binding; and

[0066] Figures 7a and 7b show a binding system according to an embodiment.

[0067] Detailed description of preferred embodiments

[0068] Some exemplary embodiments are described below with reference to the figures. Identical, similar, or equivalent elements in the different figures are provided with identical reference numerals, and a repeated description of these elements is partially omitted to avoid redundancies.

[0069] Figure 1 schematically shows a sectional top view of an adapter device 1 attached to a ski boot 2. To clarify the spatial relationships, the toes of a user are shown in the ski boot 2. Accordingly, the big toe lies in the medial direction M and the little toe lies in the lateral direction L, viewed from the middle of the foot. The ski boot 2 has a forefoot part 8 at its tip, on the lateral 11 and medial 13 sides of which a recess 24 in the form of a pin eyelet 24 is arranged. The pin eyelets 24 are cylindrical bores in the ski boot for receiving pins of a conventional pin binding system. The forefoot part 8 has a substantially U-shaped outer contour, which is provided by the lateral side 11, a frontal side and the medial side 13 of the forefoot part 8.

[0070] The adapter device 1 comprises a substantially U-shaped bracket 32 ​​extending from a first end 10 to a second end 12. In a state in which the adapter device 1 is attached to the ski boot 2, hereinafter referred to as "in the attached state," the first end 10 is arranged on the lateral side 11 and the second end 12 is arranged on the medial side 13 of the ski boot or forefoot part 8.

[0071] The adapter device 1 has a first projection 16 in the form of a cylindrical bolt at the first end 10 and a second projection 18 in the form of a cylindrical bolt at the second end 12. The first and second projections 16, 18 are designed to engage with a toe piece device 4 of a touring ski binding 6 (see Fig. 3a, 3b, Fig. 4 and Fig. 6-7b). The longitudinal axes L1, L2 of the first and second projections 16, 18 are parallel to the ski boot transverse axis Y and are aligned with one another. In this way, the adapter device 1, by means of the first and second projections 16, 18, provides a pivot axis S for pivoting the ski boot 2 about a touring ski binding 6.

[0072] The adapter device 1 has a fastening device 14 by means of which the adapter device 1 is fastened to the forefoot part 8. The fastening device 14 comprises bores 34, screws 36, spacers in the form of washers 37, and a third and fourth projection 20, 22. The screws 36 are guided through the bores 34 and the washers 37 and screwed to the frontal side of the forefoot part 8. The adapter device is thus non-positively fastened to the frontal side. The third projection 20 is arranged at the first end 10 and extends in the medial direction M, such that the third projection 20 engages the pin eyelet 24 in a radially positive-locking manner. In the axial direction, the third projection 20 is fixed to the frontal side thanks to the screw connection.Furthermore, the bracket 32 ​​is provided with a certain preload, which presses the bracket in the area of ​​the first and second ends 10, 12 against the lateral and medial sides 11, 13 of the ski boot. This provides a further axially acting fixation for the third projection 20. This reliably prevents the third projection 20 from losing its radial form fit with the pin eyelet 24. The above description of the third projection 20 applies analogously to the fourth projection 22.

[0073] In the example according to Fig. 1, the first projection is formed integrally with the third projection and the second with the fourth projection, such that the first to fourth projections are aligned with one another. In this way, the pivot axis S corresponds exactly to the pin pivot axis of a conventional pin ski boot. Thus, the adapter device 1 can be used for any conventional pin ski boot without any further geometric modifications being required. For example, in a conventional pin ski boot, the distance of the pin pivot axis to the toe and footbed is already optimized. Thanks to the proposed adapter device, this design can be utilized for use in an alternative binding system 100 or an alternative touring ski binding 6 (see Fig. 3a and 3b, Fig. 4 and Fig. 6-7b) without additional effort.

[0074] To provide the preload, the adapter device 1, in particular the bracket 32, can be made of spring steel. In this way, the adapter device 1 can, on the one hand, have sufficient flexibility so that the adapter device 1 can be slipped over the forefoot part 8 until the third and fourth projections 20, 22 snap into the pin eyelets 24. On the other hand, thanks to the spring steel, the bracket 32 ​​can provide the clamping force described above.

[0075] Figures 2a-c show further examples of the proposed adapter device 1. To avoid repetition, only the differences from the first example will be discussed below. The adapter device 1 according to Fig. 2a has two side parts corresponding to the first and second ends 10, 12 and a middle part connecting the side parts. The adapter device 1 has a U-shaped bracket 32 ​​which, in contrast to Fig. 1, has no curvature or inner radii in the transition areas between the side parts and the middle part. In this way, the adapter device 1 can also be used for very differently shaped forefoot parts 8. The forefoot part 8 according to Fig. 2 also has no recesses 24 or pin eyelets 24. Accordingly, the adapter device 1 is fastened to the forefoot part 8 by means of three screws 36, analogous to Fig. 1.The laterally mounted screws 36 can help to compensate for a lack of rigidity of the bracket 32 ​​made of spring steel.

[0076] The fastening device 14 according to Fig. 2b does not have any holes 34 or screws 36, but is provided by the preload of the bracket 32 ​​in combination with the third / fourth projection 20 / 24. Accordingly, the preload of the bracket 32 ​​is sufficiently large that the adapter device 1 is already fastened to the forefoot part 8 by the positive engagement between the third / fourth projection 20 / 22 and the pin eyelets 24. Optionally, the fastening device 14 can further comprise an adhesive 14a for bonding a central part of the bracket to the front side of the forefoot part. The adhesive 14a can be a pressure-sensitive adhesive 14a in the form of an adhesive tape that can be detached from the inside of the bracket, or even a structural adhesive.

[0077] The ski boot 2 according to Fig. 2c does not have pin eyelets 24, so an adapter device 1 without a third and fourth projection 20, 22 is selected. Instead, the fastening device 14 according to Fig. 2c comprises a tensioning element 14b, for example in the form of a tension spring 14b or a tensioning strap 14. The tensioning element 14b is designed to provide a particularly high clamping force. Screws 36 provide additional security for securing the adapter device 1.

[0078] In the example according to Fig. 2c, the first / second projection 16 / 18 has an engagement section 26 in which the diameter of the first / second projection varies along the longitudinal axis L1 / L2. More precisely, the axis provided by the first / second projection 16 / 18 in the engagement section 26 has the shape of a double cone 30d (see also Fig. 5b). In this way, the engagement between the adapter device 1 and a toe piece device 4 of a touring ski binding 6 can be provided in a particularly positionally accurate and robust manner.

[0079] Figure 3a shows a schematic and partial side view of a binding system 100 in a downhill mode, and Figure 3b shows a corresponding side view in an uphill mode. The binding system 100 comprises a touring ski binding 6 and an adapter device 1. The touring ski binding 6 comprises a toe piece device 4, which is configured to pivotally lock the adapter device 1. The toe piece device 4 comprises a holding device 28, a holding plate 28a fastened to a ski by means of holding screws 28b, and a locking device having a hook-shaped pivot arm 29c. The holding device 28 each has a round-shaped first and second recess 28f / g for receiving and holding the first / second projection 16 / 18. For clarity of illustration, only the second projection 18 is shown in Figs. 3a and 3b.

[0080] In downhill mode (Fig. 3a), the locking device 29 is not engaged with the adapter device 1, so that the toe piece device 4 is open. In other words, the locking device 29 is in the release state. Thus, in downhill mode, the adapter device 1 is only held by the holding device 28, but upon appropriate force application, the second projection 18 can protrude from the holding device 28 in the negative X direction. The force application can occur, for example, due to a fall in downhill mode and the corresponding release of the touring ski binding 6 (see Fig. 7b).

[0081] In the ascent mode (Fig. 3b), the locking device 29 is engaged with the adapter device 1, so that the toe piece device 4 is closed. In other words, the locking device 29 is in the locked state. Thus, the adapter device 1, and consequently the ski boot 2 attached thereto, can pivot about the pivot axis S provided by the adapter device 1 and locked by the locking device 29, allowing the user to perform a walking movement.

[0082] Figures 3c and 3d show a further embodiment of the toe piece device 4. The key difference from the example in Figs. 3a and 3b is that the pivot arm 29c pivots into the locked state from below, rather than from above. Otherwise, the components and functions of Figs. 3c and 3d correspond to those of Figs. 3a and 3b. Accordingly, the touring ski binding 6 of Figs. 3c and 3d comprises the toe piece device 4 with the holding device 28 and the locking device 29. The holding device 28 comprises a first end section 28d, a second end section 28e, and a central section 28c connecting the first and second end sections. The central section 28c is attached to the ski 3, for example by means of a holding plate 28a. The first and second end sections 28d / e are essentially stationary and arranged essentially perpendicular to the central section 28c and essentially parallel to one another.The first end portion 28d comprises a first recess 28f and the second end portion 28e comprises a second recess 28g, wherein the first and second recesses 28f / g are configured to receive a shaft, in particular in the form of the first and second projections 16, 18.

[0083] The locking device 29 has two pivot arms 29c, each having a hook-shaped recess 29d and which are pivotally attached to the first and second end portions 28d / e between the locked state and the released state. The corresponding pivot axis is provided by the pivot pin 29a, which pivotally attaches the locking device 29 to the holding device 28. In the locked state, the pivot arms 29c are pivoted such that the hook-shaped recesses 29d are aligned with the first and second recesses 28f / g of the holding device 28, so that the front jaw device 4 provides a pivot bearing for pivotally supporting a shaft, in particular in the form of the first and second projections 16, 18, about the pivot axis S. In Fig. 3a-d, the pivot axis S runs parallel to the Y-axis and passes centrally through the second projection 18. In the example according to Fig.3c and 3d, the first / second end section 28d / e each have an insertion bevel for inserting the first / second projection 16 / 18, as well as a retaining lug projecting into the first / second recess 28f / g.

[0084] Figure 4 schematically shows a frontal view of a rear side of the toe piece device 4 of the touring ski binding 6 of the binding system 100, wherein the toe piece device 4 pivotally supports the adapter device 1. The locking device 29 is in an engaged position, so that the toe piece device 4 is closed and the touring ski binding 6 is in the upward mode. In other words, the locking device 29 is in a locked state. The first / second projection 16 / 18 is pivotally held in the holding device 28 and the locking device 29 by means of a positive fit.

[0085] The first / second projection 16 / 18 each has an engagement portion 26 with a double conical shape 30d, so that the slopes of the conical shape contribute to the engagement portion 26 remaining in the holding device 28 and the locking device 29 even in the event of mechanical play.

[0086] In the locked state, the front jaw device 4 provides both a radial bearing and an axial bearing for the adapter device 1, in each case relative to the pivot axis S. To provide the radial bearing, the holding device 28 has rounded, substantially U-shaped recesses 28f / g at the first and second end portions 28d / e (see Fig. 3a-d), the U-shape of which is open in the negative X direction.

[0087] Furthermore, the locking device 29 has a hook-shaped recess 29d (see Fig. 3a-d). In the locked state, the recesses 28f / g of the holding device are aligned with the hook-shaped recess 29d of the locking device 29. Because the first / second bolts 16 / 18 are arranged in alignment with each other at the first / second end 10 / 12 of the adapter device 1, the mutually aligned recesses 28f / g and 29 can pivotally mount the adapter device about the pivot axis S.

[0088] The first / second end 10 / 12 has a first / second outer side 10a / 12a, which are aligned substantially parallel to one another and point away from one another. Furthermore, the first and second outer sides 10a, 12a are at a fixed distance from one another, in particular in the form of an outer distance. Because the first and second end portions 28d / e also have a fixed distance from one another, in particular in the form of an inner distance or clear dimension, the holding device 28 can provide the axial support for the adapter device, in particular for the first / second projection 18 / 16. The first / second outer sides 10a / 12a each provide a flange for the first / second projection 16 / 18, so that the adapter device is configured to be supported in a holding device 28 via a positive fit, more precisely to be supported axially by the holding device 28 via a positive fit with locking along the pivot axis S.In this way, the holding device 28 provides an axial bearing for axially supporting the adapter unit 1 along the pivot axis S. The axial bearing is, in particular, provided in a stationary manner. In other words, the toe piece device has no design operating state in which the axial bearing provided by the holding device 28 changes its orientation or position relative to the ski or within the touring ski binding 6. In other words, the axial bearing provided by the holding device 28 is stationary in all design operating states of the touring ski binding 6.

[0089] In this way, the axial support can be provided exclusively by means of the positive locking mechanism along the pivot axis S. In other words, the axial support of the adapter unit by the holding device 28 is free of frictional engagement, in particular free of frictional engagement in all designed operating states. In this way, compared to conventional pin bindings, a complex spring mechanism can be dispensed with. Furthermore, the first / second outer side 10a / 12a can each have an outwardly directed first / second contact surface 10b / 12b, which is provided for the positive locking mechanism along the pivot axis S. In other words, in an engaged state, the first / second contact surface 10b / 12b can come into contact with a first / second holding surface 28h / i (see Fig. 6b) of the holding device 28 in order to provide a positive locking mechanism along the pivot axis S.

[0090] Figure 5a illustrates that the first / second projection 16 / 18 can have a circular cross-section 30a or an elliptical cross-section 30b. Additionally or alternatively, the first / second projection 16 / 18 can have an engagement portion 26, which can be shaped according to a single-shell hyperboloid 30c, a truncated double cone 30d, or a pointed double cone 30d. The variants according to Fig. 5b can be freely combined with the variants according to Fig. 5a. Each of the possible combinations can be used in any embodiment of the adapter device 1.

[0091] Figure 6a schematically shows a partially sectioned top view of a binding system 100. An adapter device 1 is attached to a ski boot 2, and the adapter device 1 is held by a closed toe piece device 4 of a touring ski binding 6, so that the touring ski binding is in the ascent mode. In other words, the locking device 29 is in the locked state. The locking device 29 can be pivoted about the holding device 28 thanks to two pivot pins 29a. The holding device 28 is fastened to the ski 3 by means of a holding plate 28a and retaining screws 28b. The adapter device 1 corresponds to the example in Fig. 1. The locking device 29 is essentially U-shaped and comprises two pivot arms 29c connected by a pivot lever 29b. Thanks to the pivot lever 29b, the pivoting of the pivot arms 29c is synchronized.The proposed U-shaped design of the locking device 29, in combination with the proposed, substantially U-shaped adapter device 1, enables the proposed toe piece device 4 of the touring ski binding 6 to be used for conventional pin-eyelet ski boots. This provides a binding system 100 that is highly compatible with existing boots and binding systems. As can be seen from Fig. 6a, the adapter device 1 is held in a form-fitting manner along the pivot axis S by the holding device 28, as will be described in more detail below with reference to Fig. 6b.

[0092] Figure 6b shows a partial top view of an exemplary adapter device 1 arranged in a touring ski binding 6—analogous to the example shown in Fig. 6a. For reasons of clarity, only selected components of the corresponding binding system 100 are shown in Fig. 6b.

[0093] As can be seen from Fig. 6b, the first end section 28d has a first retaining surface 28h, and the second end section 28e has a second retaining surface 28i. The first / second end section 28d / e extends from the central section 28c or the retaining plate 28a, respectively, to the first / second retaining surface 28h / i and optionally beyond. The first and second retaining surfaces 28h / i are arranged opposite one another, so that an axial bearing for a shaft in the form of the first and second projections 16, 18, which are arranged in alignment with one another, is provided by means of the first and second retaining surfaces 28h / i. The shaft in the form of the first projection 16 and the second projection 18 is axially mounted in the direction of the pivot axis S, that is to say locked against axial displacement and / or corresponding pivoting, since the first / second outer side 10a / 12a of the adapter device 1 contact the first / second holding surface 28h / i of the holding device 28.In other words, the first / second outer side 10a / 12a and the first / second retaining surface 28h / i abut each other, with axial play being permissible in the direction of the pivot axis S. This is because the contact or abutment does not serve to provide a force connection between the corresponding surfaces, although the force connection is not harmful, but rather serves to provide the axially locking form fit in the direction of the pivot axis S.

[0094] In a further development not shown in the figures, the first / second outer side 10a / 12b can have an elevation concentric with the pivot axis S, which extends from the first / second outer side 10a / 12a in the lateral / medial direction L / M, i.e., parallel to the first / second projection 16 / 18. Accordingly, the first / second end section 28h / i can have a recess geometrically corresponding to the elevation, such that the elevation can engage in the recess in a substantially shape-filling manner. In this case, there is both an axial and a radial bearing between the elevation and the recess. In this way, the bearing of the first / second projection 16 / 18 is further improved. In this case, the circular inner surface of the respective recess provides the first / second holding surface 28h / i and the circular outer surface of the first / second outer side 10a / 12a provides the first / second contact surface 10b / 10b accordingly.

[0095] Figures 7a and 7b show a side view of an overview of the binding system 100. The binding system 100 comprises the touring ski binding 6 described above and the adapter device 1. The adapter device 1 is attached to the forefoot part 8 of a ski boot 2 by engaging the third / fourth projection 20 / 22 (not shown here) with the pin eyelets 24 of the forefoot part 8. The bracket 32 ​​of the adapter device, made of spring steel, provides a clamping force thanks to the pretension, which, in combination with the engagement position of the third / fourth projection 20 / 22 with the pin eyelets 24, fixes the adapter device to the ski boot 2.

[0096] The touring ski binding 6 comprises the above-described toe piece device 4 and a heel piece device 40 having a lever mechanism 42. The lever mechanism 42 is configured to secure a heel portion 44 of the ski boot 2. The lever mechanism 42 comprises a base 46 to which a lever 48 is rotatably mounted, i.e., can be pivoted about the base 46. A clamping bracket 50 is rotatably mounted to the lever 48, which has a clamping lug 52 at one end and a clamping hook 54 at the other end.

[0097] If the heel portion 44 of the ski boot 2 is to be secured with the heel piece device 40, as shown in Fig. 7b, the lever 48 is first pivoted clockwise around the base 46 (in the present illustration). Subsequently, the clamping block 50 is pivoted around the lever 48. This causes the clamping lug 52 to contact the heel portion 44 of the ski boot 2.

[0098] By further pivoting the clamping bracket 50, a force is exerted on the heel portion 44 of the ski boot 2. As soon as the clamping bracket 50 has been pivoted by a certain angle, the clamping hook 54 can be guided over the lever 48 and secured or hooked there. This permanently exerts a force through the clamping lug 52 on the heel portion 44, thereby securing the ski boot 2.

[0099] The acting force typically comprises two components, namely a force Fx in the direction of the boot's longitudinal axis X, and a force Fz acting opposite to the boot's vertical axis Z, as shown in Figure 7b. The force Fx presses the ski boot 2, or the first and second projections 16 / 18 of the adapter device 1 attached to the ski boot 2, into the holding device 28, so that the ski boot 2 is fixed in the direction of the boot's longitudinal axis X. The force Fz presses the ski boot 2, or rather the heel part 44, in the direction of the ski 3, so that the heel part 44 cannot be lifted off the ski 3.

[0100] Fig. 7b shows the touring ski binding 6 in downhill mode. The heel piece device 40 has a safety release 56. This allows the lever mechanism 42 to open, for example, upon application of a predefined force, so that the heel part 44 of the ski boot can be removed from the heel piece device 40. Upon activation of the safety release 56, the ski boot no longer presses against the toe piece device 4, so that the adapter unit 1 can be released from the engaged position with the holding device 28, and the ski boot is no longer held to the ski by the touring ski binding 6. Thus, the proposed toe piece device 4 completely dispenses with its own spring mechanism and / or its own friction-based holding of the adapter device 1. Thus, the toe piece device 4 can be provided with particularly low complexity and reduced weight.The proposed touring ski binding 6 can be provided, for example, by combining the above-described toe piece device 4 with a heel piece device according to the disclosure of document DE 102021 134 650 A1. The above-described heel piece device 40 can be realized, for example, in accordance with the heel piece device 3 of DE 102021 134650 A1.

[0101] Where applicable, all individual features illustrated in the embodiments can be combined and / or interchanged without departing from the scope of the invention. For example, the toe assembly of Figures 3c and 3d can be used in the binding system of Figures 7a and 7b.

[0102] List of reference symbols 28h / i first / second holding surface

[0103] 1 adapter device 29 locking device

[0104] 2 ski boot 29a pivot bolt

[0105] 3 Ski 29b pivot lever

[0106] 4 Front jaw device 35 29c Swivel arm

[0107] 6 touring ski binding 29d hook-shaped recess

[0108] 8 Forefoot part 30a-d Axis shape in the engagement section

[0109] 10 first end 32 brackets

[0110] 10a first outer side 34 hole

[0111] 10b first contact surface 40 36 fixing bolts

[0112] 11 lateral side of the ski boot 37 washers

[0113] 12 second end 40 buttock device

[0114] 12a second outer side 42 lever mechanism

[0115] 12b second contact surface 44 heel part

[0116] 13 medial side of the ski boot 45 46 base

[0117] 14 Fastening device 48 Lever

[0118] 14a Adhesive 50 Clamp

[0119] 14b Clamping element 52 clamping nose

[0120] 16 first projection 54 clamping hook

[0121] 18 second projection 50 56 safety release

[0122] 20 third lead 100 binding system

[0123] 22 fourth projection L1 , L2 longitudinal axes of the first / second

[0124] lead

[0125] 24 recesses, pin eyelets

[0126] L lateral direction

[0127] 26 intervention section

[0128] 55 M medial direction

[0129] 28 Holding device

[0130] S swivel axis

[0131] 28a retaining plate

[0132] X Shoe longitudinal axis

[0133] 28b Retaining screws

[0134] Y shoe transverse axis

[0135] 28c middle section

[0136] Z Shoe vertical axis

[0137] 28d / e first / second final section

[0138] 28f / g first / second recess

Claims

Claims 1 . Adapter device (1) for attaching a ski boot (2) to a toe piece device (4) of a touring ski binding (6), wherein the adapter device (1) can be attached to a forefoot part (8) of the ski boot (2), wherein the adapter device (1) has a first end (10) and a second end (12), wherein the first end (10) can be attached to the lateral side (11) of the ski boot and the second end (12) can be attached to the medial side (13) of the ski boot (2), wherein a fastening device (14) for attaching the adapter device (1) to the ski boot (2) is provided on the adapter device (1), wherein the adapter device (1) has a first projection (16) at the first end (10) and a second projection (18) at the second end (12), wherein, when the adapter device (1) is in a state attached to the ski boot (2), the first projection (16) in lateral direction (L) and the second projection in medial direction (M),wherein the longitudinal axes (L1, L2) of the first projection (16) and the second projection (18) are aligned with each other to provide a pivot axis (S) for pivoting the ski boot (2) around the touring ski binding (6).

2. Adapter device (1) according to claim 1, wherein the first projection (16) and / or the second projection (18) are bolt-shaped or web-shaped.

3. Adapter device (1) according to claim 1 or 2, wherein the fastening device (14) has a third projection (20) at the first end (10) and a fourth projection (22) at the second end (12), wherein, when the adapter device (1) is in the state fastened to the ski boot (2), the third projection (20) extends in the medial direction (M) and the fourth projection (22) extends in the lateral direction (L).

4. Adapter device (1) according to claim 3, wherein the third projection (20) and / or the fourth projection (22) are configured to engage, in particular to engage in a form-fitting manner, with a respective recess (24) of the forefoot part (8) when fastened to the ski boot (2).

5. Adapter device (1) according to one of the preceding claims, wherein the first projection (16) and the second projection (18) are fixedly attached to the forefoot part (8) in the state fastened to the ski boot (2).

6. Adapter device (1) according to one of the preceding claims, wherein the first projection (16) and / or the second projection (18) are configured to engage positively with the toe piece device (4) of the touring ski binding (6), in particular to engage substantially positively.

7. Adapter device (1) according to claim 6, wherein the first projection (16) and / or the second projection (18) have an engagement portion (26) which is adapted to engage with a holding device (28) and / or locking device (29) of the front jaw device (4), wherein the first projection (16) and / or the second projection (18) have a circular, elliptical or polygonal cross-section in the engagement portion (26).

8. Adapter device (1) according to one of the preceding claims, wherein the first end (10) has a first outer side (10a) pointing in the lateral direction (L), and the second end (12) has a second outer side (12a) pointing in the medial direction (M), wherein the first and second outer sides (10a, 12a) are designed to engage positively with the holding device (28) of the front jaw device (4), preferably to engage substantially positively, in particular in the form of a preferably substantially positive locking along the pivot axis (S).

9. Adapter device (1) according to claim 8, - wherein the first and second outer sides (10a, 12a) are arranged substantially perpendicular to the pivot axis (S) and / or - wherein the first outer side (10a) provides a first contact surface (10b) and the second outer side (12a) provides a second contact surface (12b), wherein the first and second contact surfaces (10b, 12b) are arranged substantially perpendicular to the pivot axis (S).

10. Adapter device (1) according to one of the preceding claims 3 to 9, wherein the third projection (20) and the fourth projection (22) are arranged in alignment with the pivot axis (S).

11. Adapter device (1) according to one of the preceding claims, wherein the fastening device (14) comprises a bracket (32) extending from the first end (10) to the second end (12).

12. Adapter device (1) according to one of the preceding claims, wherein the fastening device (14) in the state fastened to the ski boot has a substantially U-shape in a cross-section along a transverse plane, wherein the transverse plane is parallel to a plane spanned by the boot longitudinal axis (X) and the boot transverse axis (Y).

13. Adapter device (1) according to one of the preceding claims, - wherein the fastening device (14) has a bore for fastening the adapter device (10) to the ski boot (2) by means of a fastening bolt (36), in particular a screw (36) or rivet, and / or - wherein the fastening device (14) has a suspension line which can be fastened to the ski boot (2).

14. Touring ski binding (6) comprising a toe piece device (4) having a holding device (28) and a locking device (29), wherein the holding device (28) has a first end section (28d), a second end section (28e) and a middle section (28c) connecting the first and second end sections (28d / e), wherein the middle section (28c) can be fastened to a ski (3) and the first and second end sections (28d / e) are arranged substantially stationary and substantially perpendicular to the middle section (28c) and substantially parallel to one another, wherein the first end section (28d) has a first recess (28f) and the second end section (28e) has a second recess (28g), wherein the first and second recesses (28f / g) are designed to receive a shaft in the form of the first projection (16) and the second projection (18), wherein the locking device (29) has two pivot arms (29c),each having a hook-shaped recess (29d) and being pivotably attached to the first and second end portions between a locking state and a release state, wherein in the locking state the pivot arms (29c) are pivoted such that the hook-shaped recesses (29d) are aligned with the first and second recesses (28f / g) of the holding device (28), so that the front jaw device (4) provides a pivot bearing for pivotally supporting the shaft in the form of the first projection (16) and the second projection (18) about a pivot axis (S).

15. Touring ski binding (6) according to claim 14, wherein the first and second end portions (28d / e) are configured to positively engage, substantially positively engage, with a first and second outer side (10a, 12a) of an adapter device (1) attachable to a ski boot (2) or with a lateral side (11) and a medial side (13) of the ski boot (2), in particular in the form of a positive locking along the pivot axis (S).

16. Touring ski binding (6) according to claim 14 or 15, wherein the first end portion (28d) has a first holding surface (28h) and the second end portion (28e) has a second holding surface (28i), wherein the first and second holding surfaces (28h / i) are arranged opposite one another, so that by means of the first and second holding surfaces (28h / i) an axial bearing for the shaft in the form of the first projection (16) and the second projection (18) is provided.

17. Binding system (100) comprising a touring ski binding (6) according to one of claims 14-16 and an adapter device (1) according to one of claims 1-13.

18. Binding system (100) according to claim 17, wherein an inner distance between the first and second holding surface (28h / i) substantially corresponds to an outer distance between the first and second outer sides (10a, 12a) of the adapter device (1), in particular wherein the inner distance is substantially the same as the distance between the first and second contact surfaces (10b, 12b).

19. Binding system (100) according to claim 17 or 18, wherein in an operating state in which the adapter device (1) is attached to the ski boot (2) and the adapter device (1) is engaged with the toe piece device (4) of the touring ski binding (6), the adapter device (1) is axially mounted parallel to the pivot axis (S) by means of the holding device (28) in order to block movement of the adapter device (1) along the pivot axis (S).

20. Binding system (100) according to one of claims 17-19, wherein the holding device (28) provides a stationary axial bearing for axially supporting the adapter unit (1) along the pivot axis (S).

Images