EP2184089A1 - Skibindung mit einer Feder als Flexor - Google Patents

Skibindung mit einer Feder als Flexor Download PDF

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Publication number
EP2184089A1
EP2184089A1 EP08168676A EP08168676A EP2184089A1 EP 2184089 A1 EP2184089 A1 EP 2184089A1 EP 08168676 A EP08168676 A EP 08168676A EP 08168676 A EP08168676 A EP 08168676A EP 2184089 A1 EP2184089 A1 EP 2184089A1
Authority
EP
European Patent Office
Prior art keywords
ski
base plate
spring
ski boot
fastener
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08168676A
Other languages
English (en)
French (fr)
Other versions
EP2184089B1 (de
Inventor
Even Wollo
Aksel Pettersen
Thomas Holm
Oyvar Svendsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rottefella AS
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Rottefella AS
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Filing date
Publication date
Application filed by Rottefella AS filed Critical Rottefella AS
Priority to PL08168676T priority Critical patent/PL2184089T3/pl
Priority to EP08168676.8A priority patent/EP2184089B1/de
Publication of EP2184089A1 publication Critical patent/EP2184089A1/de
Application granted granted Critical
Publication of EP2184089B1 publication Critical patent/EP2184089B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/086—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings using parts which are fixed on the shoe of the user and are releasable from the ski binding
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/0807—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings for both towing and downhill skiing
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/20—Non-self-releasing bindings with special sole edge holders instead of toe-straps
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C2201/00—Use of skates, skis, roller-skates, snowboards and courts
    • A63C2201/06—Telemark

Definitions

  • Skiing in order to enjoy this sport properly, it is necessary to have appropriate equipment,
  • the skis and ski bindings for cross-country and touring skiing must provide an appropriate fastening of the skier's boot to the ski, whilst also allowing the heel of the boot to leave the surface of the ski.
  • base plate or binding plate which has the required fastening mechanism to interact with the ski boot of the skier.
  • the ski boot for cross-country and touring skiing will typically have a rotation point underneath the toe of the boot, which must clip into an appropriate housing on the ski binding.
  • the housing allows the pin to be attached in a rotatable manner, primarily by holding onto the pin of the ski boot in a rotatable manner.
  • ski bindings of this sort It is also necessary in ski bindings of this sort to provide some form of flexor which will generally act to force the ski boot into contact with the upper surface of the ski or binding. That is, when the ski is being used, the boot rotates around the fixing point, and the heel of the boot leaves the surface of the ski. In order to allow for an improved and safe skiing technique, it is necessary that the boot and ski be forced back together, such that the heel will generally be biased towards being brought into contact with the upper surface of the ski.
  • a flexor is provided against which the toe of the ski boot will act.
  • This flexor is usually provided forward of the channel or slot receiving the rotation pin of the ski boot, and thus when the ski boot is rotated the toe of the ski boot will lead to compression of the flexor. Obviously, the compressed flexor, or the like, will then lead to a restoring force to try and rotate the ski boot and ski back into contact.
  • a ski binding which is suitable for use with a cross-country or a touring ski.
  • a ski binding utilises a base or binding plate which is suitable for attachment to the upper surface of a ski. This can either be directly to the ski, or by means of a mounting plate appropriately a fashioned to interact with the base plate.
  • the base or binding plate is provided with the necessary structure to allow removable attachment of a ski boot, and will fasten the ski boot to the base plate in a rotatable manner.
  • the base plate is advantageously provided with a spring which will act as a flexor.
  • the spring is provided with one or more extensions which are positions forward of the ski boot fixing mechanism on the base plate.
  • the toe of the ski boot when attached to the base plate will rest against the extension.
  • the toe of the boot will press against the extension, and lead to the extension rotating.
  • the spring is fixed within the base plate in such a manner that the spring itself will not rotate upon force applied to the extension, rather the spring will be put under tension by such motion.
  • the above suggested design is simple in its construction, yet effective.
  • the number of parts required is reduced to simply one.
  • the spring can be fastened within the base plate so as to provide the necessary holding such that the force on the extension will lead to a tightening of the spring rather than a rotation of the entire unit, thus giving the necessary return force.
  • the spring can be held in a removable manner, such that different springs could be incorporated within the base plate such that the return force could be tailored to the individual user.
  • a particular and advantageous design for the spring is one which comprises a torsional spring.
  • the torsional spring has an extension extending from the wound spring section, such that rotation of the extension will lead to the tightening of the wound spring section, and a general tensioning in the spring.
  • some form of base or stand as a resilient means against which the force of rotation on the extension can act.
  • the spring unit can be self-contained. Further, such a design means that the top surface of the ski, or the mounting plate in between the ski and the base plate, can be used as the surface against which the spring will act. In other words, the spring unit need only be held or sandwiched between the base plate and the ski or mounting plate, in order to generally hold the spring in position, and then the base or mount will provide the necessary interaction with the upper surface so as to stop rotation of the spring, and allow it to be put under tension by rotation of the extension.
  • the spring In order to allow the spring to be combined with the base plate in the above described manner, it is useful to provide a recess in the underside of the base or binding plate. In particular, this will lead to an extension on the upper side of the base plate, which can be used to form the ski boot receiving slot or channel.
  • the recess in the base plate will obviously form a cavity when the base or binding plate is attached to the ski, such that the cavity can be used to house the spring.
  • the above described advantage of having the base of the spring held on the upper surface of the ski or mounting plate can be achieved, thus allowing the spring a surface against which to act when rotation of the extension is provided.
  • the design could be provided with two legs at either end of the rod-liked material, wherein these legs lead into sections of a wounds spring portion, and at the centre of the wound spring portion is provided the extension.
  • the extension could be provided by either end of the wire-like material, and this then lead into the wound spring portions which then loop round to join each other to form the base or resilient portion.
  • the base plate it is necessary for the base plate to be provided with a slot at the appropriate point to allow the extension to pass through from the underside of the plate. This is achieved at a position forward of the ski boot holding section, so that the extension will be provided at the appropriate point to interact with the toe of the ski boot.
  • the ski boot toe will have to run up and down the extension when the ski boot is rotated.
  • the extension with a displaceable cover, such that the toe of the ski boot will remain fixed in relation to the cover, and the cover will slide up and down on the extension. This will stop any frictional forces from building-up between the extension and the toe of the boot, and will also improve the comfort for the skier.
  • a further ski binding design relates to the provision of an appropriate fastening mechanism for the binding.
  • a fastening mechanism is discussed which can be structured with two elongate arms connected by means of a connecting bar.
  • This design will lead to a mechanism structured as an "H".
  • hook fasteners By allowing the fastening mechanism to rotate generally within the binding, it is possible that at one end of the elongate arms hook fasteners could be provided which will then be used to hook and hold the bar of the ski boot in place.
  • the hook fastener mechanism can be positioned within the base plate, such that rotation generally around the connecting bar will lead to hooked portions at one end of the elongate arms overlapping the slot provided in the base plate for holding the connecting and rotation bar of the ski boot. Rotating the hook fastening mechanism in the other direction, will then obviously lead to the opening of the slot which will allow for the ski boot to be removed.
  • the above design is obviously simple in its construction, as it requires the provision of only one additional part into the base plate or binding plate. That is, the H-shaped fastening mechanism. By allowing the locking to proceed by means of a simple rotation of this fastening mechanism, the ease of use and simplicity of the design is greatly improved. Further, because only one simple mechanism is provided, the size of the base plate can also be reduced.
  • the base or binding plate is typically provided with a recess therein. It is of clear advantage if the recess is also usable by the fixing mechanism, such that the one recess is required for holding both the spring and the hook fastener.
  • the cavity can once again be structured to hold the hook fastener in place, and provide the appropriate rotation fitting which will allow the hook portions at one end of the connector to open and close the slot for receiving the ski boot.
  • the base plate can be provided with a plurality of slots at the appropriate position.
  • one series of slots is provided near the ski boot receiving section, such that the hooked portions of the rotatable fastener can pass from the underside of the base plate and overlay the slot or channel.
  • further slots are provided which will allow the extension arms to pass there-through. The slots for the extension arms or elongate arms will allow the arms to rotate thus moving the fastener between the two orientations, one being the opening of the channel or slot the other being the closing thereof.
  • the holding plate can be used to interact with the slot or channel for the ski boot fixing mechanism, which will also strengthen the section of the binding or base plate, and further improve the safety of the device. That is, the ski boot is generally provided with a metal pin for providing the fixing and rotation mechanism, and if this interacts with a holding plate, possibly made from metal, there will be a metal on metal connection which will obviously provide a secure and rigid fastening. Further, the holding plate can be provided with indents in its lower surface, which can be used to position and accommodate the connecting bar of the rotatable fastening mechanism, In this way, the holding plate can interact with the binding or base plate, and hold the fastener in position.
  • the holding plate can be provided with indents in its upper surface, which will generally follow the contour of the slot or channel in the base plate. Furthermore, by providing the upper indents in line with the lower indents, the rotation point of the fixing hook mechanism is advantageously positioned with respect to the slot in the base plate, and thus a simple rotation of the hook-like mechanism will appropriately open and close the channel or slot in the base plate.
  • the hook-like fixing mechanism can be provided in a bi-stable manner. That is, the hook-like fastener has two preferred orientations within the base or binding plate, one is with the slot open, and the other is with the ski boot slot closed. In order to move between each of these two orientations, a resistive force is achieved by structuring the hook-like fastener with an over-centre locking portion. That is, at the rotation bar, the thickness of the elongate arms increases slightly, such that the protrusion must be rotated passed the surface of the ski or mounting plate in order to move the hook-like fastener between the two preferred orientations. This will clearly improve the security of the device, as it will mean that the fastening mechanism does not accidentally open when the ski is in use.
  • the hook-like fastener can be provided with two flat surfaces either side of the rotation point. These two flat surfaces will provide the two stable configurations, while also providing that the thickness of the elongate arms increases around the rotation point.
  • the hook-like fastener will be held within the binding or holding plate in such a manner that the flat surfaces lie on the surface of the ski or the mounting plate, the protrusion must be forced passed the mounting plate or ski surface in order to rotate the fastener. This provides a very simple yet effective locking mechanism which will secure and reliably hold the fastener in one of the two stale orientations.
  • ski binding comprising both the spring as flexor and the rotatable fixing or hook fastener.
  • FIG. 1 shows a general perspective view of a ski binding 1 according to the present disclosure.
  • this ski binding 1 is intended for use with either a cross-country or touring ski 2.
  • the ski 2 is also shown in this figure.
  • the ski binding 1 is not an integral part of the ski 2, rather it forms a replaceable additional part which can be attached to a ski 2.
  • the ski binding 1 generally comprising a base plate 10.
  • This base plate 10 is designed to fit on the upper surface 3 of the ski 2.
  • the base plate 10 may attach directly to the upper surface 3 of the ski 2, or, as is well known in the art, the base plate 10 may attach to the ski 2 by means of a separate mounting plate 16, Such a mounting plate 16 is well known in the art, and any suitable mounting plate 16 is considered as appropriate for binding and allowing the base plate 10 to mount to the ski 2.
  • the base plate 10 is structured with certain aspects which are well known for base plates 10 for cross-country or touring skis 2.
  • the base plate 10 is provided with a section for attaching a ski boot 5 of the skier to the base plate 10, and thus ski 2, in a removable manner.
  • ski boots 5 which are possessed of a rotation pin or bar 4 on the underside thereof.
  • This rotation pin 4 provides a mechanism by which the ski boot 5 can be attached to the ski binding 1, in particular the base plate 10, in a rotatable manner. It is important that the ski boot 5 rotates around the toe end of the ski boot 5, as when the skier is performing skiing, it is necessary to be able to lift the heel of the ski boot 5 from the upper surface 3 of the ski 2.
  • a reliable mechanism of attaching a ski boot 5 to a base plate 10 is to have a slot in the upper surface 12 of the base plate 10.
  • this slot will provide a ski boot receiving portion 11 which is structured to accommodate the rotation pin 4 of the ski boot 5.
  • it is necessary to be able to close at least part of the opening to the slot or ski boot receiving portion 11 on the base plate 10.
  • the open section to the slot 11 can in some way be sealed, thus holding the rotation pin 4 within the slot 11 and fixing the ski boot 5 to the base plate 10.
  • the slot 11 can clearly be seen, and further the locking mechanism according to the present disclosure is also shown in its closed orientation.
  • the open section of the slot 11 is closed off by means of two fastening means extending across the open section. Obviously, it is necessary for these fastening means to be moveable, so that the slot 11 can be opened and closed as desired.
  • this mechanism is achieved by means of the hook-like fastener 30 as shown in Figures 2 , 3 and 6 .
  • This hook-like fastener 30 is intended to be housed within base plate 10 in a rotatable and removable manner, and is further structured such that in one rotation orientation the ski boot receiving portion 11 is opened to allow the rotation pin 4 to be positioned therein, and in a second rotation the ski boot receiving portion 11 is closed and the ski boot 5 is locked to the base plate 10.
  • the present disclosure provides the rotatable hook-like fastener 30 for housing within the base plate 10.
  • the hook-like fastener 30 is held within a recess 14 provided in the base plate 10.
  • this recess 14 is provided at the region of the ski boot receiving portion 11, and preferably can be used to actually define the ski boot receiving portion 11. That is, from the underside 13 of the base plate 10 a recess is seen, which leads to a protrusion on the upper surface 12 of the base plate 10.
  • the ski boot receiving section 11 may be formed, and the simplest way to form this is by having a slot sized and shaped to accommodate the rotation pin 4 of the ski boot 5.
  • the protrusion out of the upper surface 12 of the base plate 10 can be used to house a standard flexor which is intended to fit beneath the toe of the ski boot 5 when it is attached to the base plate 10.
  • a standard flexor which is intended to fit beneath the toe of the ski boot 5 when it is attached to the base plate 10.
  • Such flexors are well known in the art, and it is not intended that the base plate 10 be restricted to any particular form of flexor, merely that it is possible to provide a housing means for the flexor by means of the protrusion from the upper surface 12 of the base plate 10.
  • the hook-like fastener 30 in the recess 14 on the underside 13 of the base plate 10. Housing the hook-like fastener 30 in such a recess 14 is desirable as it hides the locking mechanism and further protects this from external damage or accidental activation.
  • the region of the protrusion in the base plate 10 surrounding the ski boot receiving portion 11 is provided with at least one first slot 34, which allows the appropriate portion of the hook-like fastener 30 to pass from the recess 14 out through the slot 34 to cover a section of the ski boot receiving portion 11 thus providing the locking section.
  • the design shown has two such first slots 34 which are located at each end of the ski boot receiving portion 11. Obviously by having two locking mechanisms the strength of the binding between the base plate 10 and the ski boot 5 is improved.
  • the hook-like fastener 30 desirably comprises a pair of elongate arms 31, which are attached to each other by connecting bar 32.
  • the connecting bar 32 is positioned along the length of the elongate arms 31, such that the general shape of the hook-like fastener is an H.
  • the connecting bar 32, or region of the hook-like fastener 30 surrounding the connecting bar 32 can be used as the rotation point of the hook-like fastener 30.
  • the hook-like fastener 30 has hooked portions 33 positioned at one end of the elongate arms 31, thus providing two hooked portions 33.
  • each of the hooked portions 33 is provided at the same side with respect to the connecting bar 32.
  • These hooked portions 33 are appropriately shaped such that when the hook-like fastener 30 is held in the recess 14 of the base plate 10, rotation of the hook-like fastener 30 will allow the hooked portions 33 to pass through slots 34 and thus close the ski boot receiving portion 11.
  • the ski boot receiving portion 11 can be open and closed, thus providing a fastening means for holding the rotation bar 4 of the ski boot 5 in the ski boot receiving portion 11.
  • the elongate arms 31 are provided with rotation arms 36. These rotation arms 36 are at the other end of the elongate arms 31 from the hooked portions 33, and extend from the connecting bar 32. Obviously by applying a force to the rotation arms 36 the hook-like fastener 30 can be rotated, and thus the fastening mechanism for the ski binding 1 can be actuated.
  • the base plate 10 is provided with one or more second slots 35. These second slots 35 are positioned such that the rotation arms 36 can pass there through.
  • the second slots 35 are also provided to allow the movement of the rotation arms 36 in an upward and downward motion whilst the hook-like fastener 30 rotates around the connection bar 32.
  • the hook-like fastener 30 is held with the connecting bar 32 rotationally connected to the base plate 10, and the rotation arms 36 pass through the second slots 35, and rotation of these rotation arms 36 is allowed by the shape of the second slot 35 thus allowing the hooked portions 33 to open and close the ski boot receiving portion 11.
  • the hook-like fastener 30 may be provided with two elongate arms 31.
  • the hook-like fastener 30 may be provided with one or more elongate arms 30, the main requirement being the number of first and second slots 34, 35.
  • the elongate arms 31 can be positioned at either side of the base plate 10, which allows for further aspects of the ski binding 1 to be placed within the gap between the elongate arms 31, thus allowing for a reduced size to the design.
  • the hook-like fastener 30 is rotating around the connecting bar 32, it is desirable for this to be held underneath the ski boot receiving portion 11. That is, if the connecting bar 32 is under the ski boot receiving portion 11, rotation of the hook-like fastener will allow the hooked portions 33 to rotate most satisfactorily through the first slot 34 to open and close the ski boot receiving portion 11. Additionally, it is possible for the portion of the elongate arms 31 lying around the connecting bar 32 region of the hook-like fastener 30 to provide a resting surface for the rotation pin 4 of the ski boot 5.
  • the hook-like fastener 30 can actually provide a bistable orientation in the base plate 10.
  • the skier does not want the hook-like fastener 30 rotating whilst he or she is skiing, as this would lead to the opening and closing of the ski boot receiving portion 11 and would be quite dangerous.
  • the ski boot receiving portion 11 should preferentially be maintained in an open position until the ski boot 5 is in place, and then the skier can lock the fastening mechanism.
  • the suggested manner of achieving this bi-stable rotation is best seen in Figure 6a .
  • the hook-like fastener 30 is intended to rotate around the connecting bar 32 region.
  • the hook-like fastener 30 has two preferred orientations in which one or other of the generally flat lower surfaces of the elongate arms 31 lie in contact with a lower surface.
  • the protrusion 39 which results from the joining of the two generally flat lower surfaces will tend to resist such a rotation motion.
  • the hook-like fastener 30 will be held in the recess 14 to the base plate 10 in such a manner that in one or other of the stable orientations, the generally flat lower surface will lie on the upper surface of the ski 2 or the upper surface the mounting plate 16 attached to the ski 2. This can be seen in Figure 5 .
  • this simple mechanism allows for a reliable fastening system by means of the above described hook-like fastener 30.
  • the described hook-like fastener 30 By housing the hook-like fastener 30 in the recess 14 of the base plate 10 such that it can rotate around the connecting bar 32 region, the described hook-like fastener 30 is positioned such that the two stable orientations are preferred. That is, that the generally flat underlying surfaces of the elongate arms 31 will rest against the upper surface of the ski 2 or mounting plate 16 and be firmly held by means of the rotational fixing portion or point in the base plate 10. In order to rotate the hook-like fastener 30 between these two orientations, will require some force to rotate the hook-like fastener 30 past the protrusion 39. This is generally possible, by allowing the slight deformation of the hook-like fastener 30 and base plate 10 during such a rotational motion. Obviously, once the protrusion 39 has passed by the hook-like fastener 30 will snap into either the open or closed orientation.
  • the holding plate 40 can be seen in Figures 2 and 7 , and interacts with the hook-like fastener 30.
  • the holding plate 40 may have lower indents 42 which are indented into a lower resting surface 41 of the holding plate 40.
  • the resting surface 41 is preferably generally flat, such that the holding plate 40 can rest upon the top surface 3 of the ski 2 or on the mounting plate 16.
  • the lower indents 42 are sized and shaped to accept some portion of the connecting bar 32 of the hook-like fastener 30. In such a manner, the rotation point of the hook-like fastener 30 will be fixed at the connecting bar 32, and the operation of the fastening mechanism can be improved.
  • the holding plate 40 with upper indents 43.
  • these upper indents 43 lie directly above the lower indents 42, and these can be used to form part of the ski boot receiving portion 11 in the base plate 10.
  • the holding plate 40 from a metal material, the strength of the ski boot receiving portion 11 can be improved, in particular with regards to flexing or stress by the user of the ski when the ski boot 5 is attached.
  • the rotation pin 4 of the ski boot 5 will, if resting on metal from the holding plate 40, be less likely to cause damage to the protrusion forming the ski boot receiving portion 11.
  • the base plate 10 prefferably be structured such that the holding plate 40 is generally sandwiched between the lower surface 13 of the base plate 10 and the upper surface 3 of the ski 2 or mounting plate 16. That is, it is not necessary to fix the holding plate 40 to the base plate 10, rather it could be simply sandwiched between the base plate 10 and the ski 2.
  • An alternative mechanism would be to have the holding plate 40 snap fitting into the underside 13 of the base plate 10 in some well known manner.
  • the hook-like fastener 30 could also have the connecting bar 32 extending out either side of the elongate arms 31. Indeed, this would allow for the extension points to the connecting bar 32 to interact either directly with the base plate 10 to form the point of rotation, or with the lower indents 42 of the holding plate 40. Again, this allows for the recess 14 to be rather more open, thus giving room for additional structure of the ski binding 1 to be incorporated therein. As is finally seen in Figure 6b , it is possible to provide the hook-like fastener 30 from three separate parts, namely the two elongate arms 31 and the connecting bar 32. Of course, it is also possible to provide the hook-like fastener 30 as a single integral piece.
  • first slot 34 of the base plate 10 it is possible for the first slot 34 of the base plate 10 to extend round such that the upper indents 43 of the holding plate 40 will align with the ski boot receiving portion 11.
  • a further possibility is to provide a series of third slots 37 at the portions of the ski boot receiving portion 11 which would coincide with the upper indents 43 of the holding plate 40. In this way, it is not necessary to have one larger slot which could lead to a slight weakness of the base plate 10.
  • the rotation arms 36 with a removable cover in order to provide a pressing surface which can be used by the skier to open and close the fastener. Desirably this would snap-fit onto the rotation arms 36, such that the pressing surface could be removed to allow removal of the hook-like fastener 30.
  • ski binding for cross-country or touring skis 2
  • the ski 2 be generally biased back toward the ski boot 5, and so as to bring the heel generally back toward the upper surface 3 of the ski 2.
  • the flexor units can be provided with, or by, a compressible rubber or plastic material, which rests at the toe portion of the ski boot 5.
  • the present disclosure incorporates a spring 20 for providing the restoration force to rotate the ski boot 5 back into contact with the ski 2.
  • the spring 20 is incorporated into the base plate 10 at a position forwards (considering the front of the ski 2 as being forwards) of the ski boot receiving portion 11.
  • the extension 21 provides a flexor portion 22 against which the toe of the ski boot 5 will act with rotation of the ski boot 5.
  • the spring 20 is so structured that rotation of the extension 21 leads to the spring 20 being placed under tension, and thus the spring will generally try to rotate the ski boot 5 back round and into contact with the base plate 10.
  • the spring 20 In the same manner as for the hook-like fastener 30, it is desirable for the spring 20 to be held within the recess 14 formed in the base plate 10. By having the spring 20 hidden from view, leads to a reduction in the likelihood of damage to the spring 20 by use of the base plate 10. With the spring 20 held within the recess 14, it is necessary to provide a spring slot 15 which will allow the extension 21 to pass to the outside of the recess 14 such that the boot 5 can rest thereupon. Again, this spring slot 15 should be provided forward of the ski boot receiving portion 11, so that the extension 21 is provided in the appropriate position on the base plate.
  • the spring 20 is provided with a base or resilient portion 22, which can be used to provide a stand for the spring 20. That is, both springs 20 shown in Figures 2 and 3 can be rested on a surface by means of the resilient means 23, such that the extension 21 will generally extend upward from the resilient means 23. Between the resilient means 23 and the extension 21 is provided the wound spring section 24, so as to be able to provide a tension force upon movement of the extension 21,
  • the spring 20 functions by being placed within the recess 14 of the base plate 10. When in the recess 14, the extension 21 passes through the spring slot 15 and thus is extending out of the surface of the base plate 10.
  • the resilient means 23 When the base plate 10 is positioned on the upper surface 3 of the ski 2 possibly by means of a mounting plate 16, the resilient means 23 will rest upon either the mounting plate 16 or the upper surface 3 of the ski 2. When held in this position, it is clear that a force directed onto the extension 21 will lead to the extension 21 moving, and thus putting the wound spring sections 24 under stress, as the resilient means 23 will be forced against the upper surface 3 of the ski 2 or the mounting plate 16. With the wound spring sections 24 under tension, it is clear that a return force will be generated to generally move the ski boot 5 back into contact with the ski 2. As is further clear, the size and number of coils in the wound spring section 24 can be chosen so as to provide greater or lesser return forces. This is desirable as certain skiers may prefer a stronger return force than others.
  • the extension 21 is shown as being surrounding at either side by two sections of wound spring 24a, 24b. This is not necessary, and the extension could be provided at one end of a wound spring section 24, although it has been shown that the central design leads to a more stable return force.
  • the spring 20 can be formed in a variety of different ways. The key feature of the spring 20 being, however, that a resilient means 23 will rest against the upper surface 3 of the ski 2 for mounting plate 16, and that the extension 21 will pass through the spring slot 15, such that upon the rotation of the ski boot 5 the force will be transmitted to the extension 21 which will lead to a tension being applied to the wound spring section 24.
  • the spring 20 is desirably formed from a single rod or wire-like piece of material.
  • the first end of the material can form one first leg 25a.
  • This first leg 25a leads into a first portion of the wound spring section 24a which then leads into forming the extension 21.
  • a second wound spring section 24b is formed from the material which then leads to a second leg 25b.
  • This design can be seen in Figure 3 .
  • a second possibility is that the end of the material forms one half 26a of the extension 21. This then leads into the first part of the wound spring section 24a round to the resilient means 23 which forms a looped base. The other end of this loop leads into the wound spring section 24b and then up to the second part of the extension 21.
  • the first end of the material could form the complete extension 21 by means of a loop, which then leads round and the second of the material forms the second wound spring section 24b.
  • the possible designs are numerous, and the three above have been presented as non-limiting options thereof.
  • the spring 20 may be sandwiched between the base plate 10 and the upper surface 3 of the ski 2. This can either be held in a simple sandwiched manner, or the spring could be clipped into the base plate 10 by means of the resilient means 23. Again, with fixing the spring 20 in such a way, the resilient means 23 would still act against the upper surface 3 of the ski 2, or the mounting plate 16.
  • a further possible feature to the spring 20 is the provision of a displaceable cover 27. Obviously as the ski boot 5 rotates around the ski boot receiving portion 11, the front of the ski boot 5 will rub up and down on the extension 21 of the spring 20.
  • the extension 21 By providing a displaceable cover 27 on the extension 21, this can provide a stable and movable cover, such that the displaceable cover 27 moves in relation to the extension 21 but remains stationery with respect to the front of the ski boot 5. In so doing, this will lead to less wear on the ski boot 5, thus improving the operation of the ski binding 1 in general.
  • the extension 21 could be provided with a low slip surface, perhaps made from Teflon Ā® or the like.
  • ski binding 1 could be provided with either just the spring 20 or the hook-like fastener 30 as defined above. Further, the ski binding 1 could be provided with both of these two features, as they would both advantageously fit within the recess 14 of the base plate 10. This design provides for a simple and reliable mechanism of both returning the ski 2 into contact with the ski boot 5 by means of the spring 20, as well as efficiently clipping the ski boot 5 to the base plate 10.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP08168676.8A 2008-11-07 2008-11-07 Skibindung mit einer Feder als Flexor Not-in-force EP2184089B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL08168676T PL2184089T3 (pl) 2008-11-07 2008-11-07 Wiązanie narciarskie ze sprężyną jako zginacz
EP08168676.8A EP2184089B1 (de) 2008-11-07 2008-11-07 Skibindung mit einer Feder als Flexor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08168676.8A EP2184089B1 (de) 2008-11-07 2008-11-07 Skibindung mit einer Feder als Flexor

Publications (2)

Publication Number Publication Date
EP2184089A1 true EP2184089A1 (de) 2010-05-12
EP2184089B1 EP2184089B1 (de) 2016-01-06

Family

ID=40474848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08168676.8A Not-in-force EP2184089B1 (de) 2008-11-07 2008-11-07 Skibindung mit einer Feder als Flexor

Country Status (2)

Country Link
EP (1) EP2184089B1 (de)
PL (1) PL2184089T3 (de)

Families Citing this family (1)

* Cited by examiner, ā€  Cited by third party
Publication number Priority date Publication date Assignee Title
FR3145097A1 (fr) 2023-01-25 2024-07-26 Skis Rossignol - Club Rossignol Fixation pour ski nordique

Citations (6)

* Cited by examiner, ā€  Cited by third party
Publication number Priority date Publication date Assignee Title
US4907817A (en) * 1986-04-30 1990-03-13 Salomon S.A. Binding for cross-country ski
FR2741543A1 (fr) * 1995-11-27 1997-05-30 Bibollet Jean Claude Fixations pour ski de fond
US6409204B1 (en) * 1998-01-27 2002-06-25 Harold Edward Ayliffe Telemark ski boot and releasable binding assembly
EP1785172A1 (de) 2005-11-09 2007-05-16 Skis Rossignol Sportschuh-Bindungsvorrichtung auf einem Gleitbrett
EP1795236A1 (de) * 2001-05-08 2007-06-13 Rottefella AS Skibindung
DE102006041840A1 (de) * 2005-10-14 2008-02-14 Rottefella As Langlauf- oder Telemarkbindung

Patent Citations (6)

* Cited by examiner, ā€  Cited by third party
Publication number Priority date Publication date Assignee Title
US4907817A (en) * 1986-04-30 1990-03-13 Salomon S.A. Binding for cross-country ski
FR2741543A1 (fr) * 1995-11-27 1997-05-30 Bibollet Jean Claude Fixations pour ski de fond
US6409204B1 (en) * 1998-01-27 2002-06-25 Harold Edward Ayliffe Telemark ski boot and releasable binding assembly
EP1795236A1 (de) * 2001-05-08 2007-06-13 Rottefella AS Skibindung
DE102006041840A1 (de) * 2005-10-14 2008-02-14 Rottefella As Langlauf- oder Telemarkbindung
EP1785172A1 (de) 2005-11-09 2007-05-16 Skis Rossignol Sportschuh-Bindungsvorrichtung auf einem Gleitbrett

Also Published As

Publication number Publication date
EP2184089B1 (de) 2016-01-06
PL2184089T3 (pl) 2016-06-30

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