EP1854513B1 - Fixation de ski - Google Patents

Fixation de ski Download PDF

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Publication number
EP1854513B1
EP1854513B1 EP06405200A EP06405200A EP1854513B1 EP 1854513 B1 EP1854513 B1 EP 1854513B1 EP 06405200 A EP06405200 A EP 06405200A EP 06405200 A EP06405200 A EP 06405200A EP 1854513 B1 EP1854513 B1 EP 1854513B1
Authority
EP
European Patent Office
Prior art keywords
ski
guide
ski boot
rotation
rollers
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.)
Not-in-force
Application number
EP06405200A
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German (de)
English (en)
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EP1854513A1 (fr
Inventor
Theo Eggimann
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.)
Fritschi AG Swiss Bindings
Original Assignee
Fritschi AG Swiss Bindings
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by Fritschi AG Swiss Bindings filed Critical Fritschi AG Swiss Bindings
Priority to AT06405200T priority Critical patent/ATE475466T1/de
Priority to DE502006007529T priority patent/DE502006007529D1/de
Priority to EP06405200A priority patent/EP1854513B1/fr
Publication of EP1854513A1 publication Critical patent/EP1854513A1/fr
Application granted granted Critical
Publication of EP1854513B1 publication Critical patent/EP1854513B1/fr
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Anticipated expiration legal-status Critical

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    • 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
    • A63C2009/008—Ski bindings with a binding element sliding along a rail during use or setting

Definitions

  • the invention relates to a ski binding, in particular a touring ski binding, with a ski boot carrier for holding a ski boot, wherein the ski boot carrier is connected to a skifesten base part via a hinge.
  • ski bindings are subdivided into piste bindings, which are used only for downhill skiing and downhill skiing, and touring bindings, which are also used for walking on skis, in particular for ascending with the help of climbing skins attached to the skis. While the former only have to ensure a reliable fixation of the ski boot on the ski in a so-called downhill position, the latter must be brought to ascend additionally from the downhill to a climbing position in which the ski is pivotally pivotable about a transverse axis on the ski and in the heel area is liftable from the ski to allow for walking a joint movement between the ski boot and the ski.
  • Such a touring ski binding which in particular also fulfills all safety requirements of modern safety ski bindings, is disclosed in US Pat WO 96/23559 (Fritschi ). It has a shoe wearer on which a front sole holder provided with a front sole holder and a heel holder are provided with heel cheeks, wherein the shoe wearer is pivotable in the region of the ski boot tip about a horizontal transverse axis with respect to the ski. In this case, the toe and the heel pieces on a safety release, which at a force exerted on the binding jaws z. B .. in case of a fall, can be triggered.
  • a pivotal movement with a stiff shoe sole about a pivot axis in the region of the ski boot tip, as it occurs in a climbing movement during ski touring, does not correspond to the natural movement sequence predetermined by the anatomy of the human body.
  • the foot In a natural walking motion, the foot is rolled down substantially on a pad in the ball area.
  • touring bindings that allow for a more ergonomic movement during ascent. Many such attempts have the goal, the momentary pivot axis as far as possible in the ball area of the foot, d. H. moved back from the tip of the foot and / or above the sole of the foot, in order to approximate the ascent movement to the unrolling of the bare foot on a base during a natural walking movement.
  • an excessive and / or complicated binding construction should be avoided without impairing the pivotability required for safe and comfortable use of the binding.
  • the object of the invention is to provide a ski binding associated with the aforementioned technical field, which has an ergonomic movement and yet a simple construction.
  • a ski binding in particular a touring ski binding, comprises a ski boot carrier for holding a ski boot, wherein the ski boot carrier is connected to a ski-fixed base part via a joint.
  • a joint is to be understood in this case generally as a connection, which allows a mutual planar mobility between the base part and the ski boot carrier.
  • the joint comprises a bow guide.
  • a sheet guide here denotes a guide in the sense of known linear longitudinal guides or straight guides, which have exactly one degree of freedom. In contrast to straight guides, however, the guidance does not take place on straight tracks but on curved guideways.
  • the curved guideways are formed in a circular arc.
  • the sheet guide has, on the one hand, base-part-side guide means and, on the other hand, skiboot-carrier-side guide means, wherein the base-part-side guide means and the ski boot carrier-side guide means engage in one another.
  • Base part-side guide means here denote guide means, which lie closer to the base part in the chain of action of the joint and accordingly skischuh uman worne guide means denote those guide means which are closer to the ski boot carrier.
  • the guide means need not be firmly connected to the ski boot carrier or the base part, but can also interact with each other via other joint parts with the ski boot carrier or the base part.
  • the guide means are designed such that the sheet guide has exactly one rotational degree of freedom.
  • the bow guide then allows only one pivot about a, relative to the guide stationary, geometric axis of rotation.
  • the axis of rotation passes through the centers of the circular arcs of the guideways and is perpendicular to the planes of the circular arcs.
  • the geometric axis of rotation is the Bow guide arranged substantially parallel to a ski surface and perpendicular to the ski boot carrier longitudinal direction.
  • EP 0 890 379 is a guide of an axle body in curved recesses on a base known.
  • Achsêt a ski boot carrier is pivotally hinged.
  • the axle body is indeed displaceable along curved recesses on the base part.
  • no pivotal movement of the ski boot carrier is enforced with exactly one degree of freedom on a circular path. It is thus achieved rather a translational mobility of the axle body on a curved path.
  • the bow guide according to the invention has the advantage that the actual bearing or guide can be made at any radial distance from the geometric axis of rotation. This ensures that the geometric axis of rotation of the sheet guide is free of structural parts and a high degree of freedom in the choice of the position of the geometric axis of rotation is guaranteed.
  • the position of the pivot axis is no longer limited by the structural design of the pivot axis in the form of axle bodies and / or axle bearings or journal bearings or similar hinge means. In particular, no structural parts of the pivot joint are present regardless of the position of the geometric pivot axis in areas laterally of the ski boot.
  • the areas on the side of the ski boot essentially designate areas or volumes resulting from the projection of the outline of the ski boot in the direction of the geometric axis of rotation.
  • the areas lie with respect to a ski boot plane, which is essentially spanned by the ski boot carrier longitudinal axes in the various positions of the pivoting movement, on both sides of the ski boot. This ensures that a lateral safety release of the front jaw, as is common in a modern safety ski binding, is not hindered by the construction elements of the swivel joint or even impossible.
  • touring binding of the type mentioned above is the axis of rotation, around which the shoe carrier is pivotable, also set back relative to the ski boot tip.
  • this axis is not skifest, but about a further axis of rotation with respect to the ski swiveled.
  • the possibility is provided to arrange the geometric axis of rotation at a position which is located considerably behind the position provided for the ski boot tip position closer to the ball area of a foot existing in the ski boot, wherein the axis of rotation can be arranged skifest.
  • an axis or a pivot axis is always understood to mean a geometric axis or pivot axis, i. H. an axis in the mathematical sense.
  • the sheet guide is designed in such a way that the ski boot carrier can be pivoted by the sheet guide about a geometrical axis of rotation which is stationary relative to the base part.
  • the geometric axis of rotation is in this case arranged with respect to a ski provided with the binding above a support surface for a ski boot sole and set back relative to a sole retainer of the toe piece to the heel cheek out.
  • a position of the axis of rotation which is closer to the heel jaw is referred to as a position set back relative to the sole lower holder in the direction of the heelback, than a stop furthest away from the heelback on the sole lower holder of the toe piece for a ski boot which determines the position of the ski boot in the direction of the ski boot carrier limited.
  • a stop for the toe area of the ski boot z. B. the front tip of a ski boot shell meant.
  • the axis of rotation is set back towards the heel base such that a plane in which the axis of rotation lies and which is perpendicular to the support surface for a ski boot sole is not pierced by the sole lower holder in any area.
  • the geometric axis of rotation is arranged above the support surface for the ski boot sole such that, when the ski boot is held in the ski binding, the geometric axis of rotation lies above the ski boot sole of the ski boot.
  • the position of the geometric axis of rotation can generally be chosen such that it passes through the ski boot in a front foot area.
  • the geometric axis of rotation can not only be approximated to a ball region of the foot in ski boot carrier longitudinal direction, but also be laid in a direction perpendicular to the sole of the foot towards the foot ball joint into the foot.
  • the pivot point of the pivoting movement can be further approximated to the anatomically predetermined natural pivot point of the ball joint.
  • the geometric axis of rotation of the pivoting movement in the region of the ski boot tip can also be arranged with a ski binding according to the invention.
  • a design has the disadvantage that, in particular during the initial lifting of the heel-jaw from the ski surface due to the long lever, measured from the heel-jaw to the axis of rotation, a large force must be expended.
  • the geometric axis of rotation lies below a ski boot sole of a ski boot held in the binding or passes through it.
  • the sheet guide is designed as a sliding guide.
  • the ski boot carrier by the interlocking guide means relative to the base part is slidably guided pivotally.
  • the guide means preferably have at least one circular arc-shaped groove and at least one corresponding circular arc-shaped projection which can be displaced therein.
  • the groove and the projection in this case have mutually complementary profiles transversely to the tangential direction of the circular arcs.
  • the circular arc-shaped projection is dimensioned such that it is guided displaceably in the groove with a clearance fit.
  • the centers of the arcs of the groove and the projection lie on the geometric axis of rotation of the pivotal movement made possible by the guide.
  • the planes in which the circular arcs lie are perpendicular to the geometric axis of rotation.
  • the circular arcs do not describe a full circle but comprise a subarea of a circle.
  • the circular arc corresponds to a region of a circle which corresponds to an angle which is greater than 90 °.
  • two ski boot carrier-side guide means are arranged symmetrically with respect to the ski boot plane spaced therefrom, wherein two corresponding complementary base part-side guide means are also arranged symmetrically with respect to the ski boot plane. But it can also be present only a skischuhlittle wornes guide means which engages in only a base part-side guide means or vice versa.
  • the levels of circular arcs of the guide means then fall together and are preferably in the ski boot level.
  • a groove lying in the ski boot plane groove may be formed on the base part, in which a likewise lying in the ski boot plane projection which is formed on the ski boot carrier is guided in a sliding manner.
  • the sheet guide can also be designed as a rolling guide, which has rolling bodies such as balls or needles.
  • the balls / needles can be z. B. are guided or held by a circulating system or by one or more cages.
  • such an embodiment has a complicated construction and high maintenance.
  • the at least one groove is formed on the base part side. Skischuhlike wood then at least one circular projection is executed, which slidably slides in the basisteil dusten groove in the ready state.
  • the groove are formed directly on the base part and the projection directly on the ski boot carrier. But it is also conceivable that the groove and / or the protrusion e.g. are formed on one or more other parts of the joint or is and attack the base part and / or the ski boot carrier on other joint parts.
  • the at least one groove can also be executed skischuhwollen monocytes and the projection basisteilmon.
  • it in order to ensure sufficient guiding stability of the groove, it must have a certain stability.
  • a minimum thickness of Nutenwandungen is necessary.
  • more material is needed on the ski boot carrier for the grooves in order to securely embed the grooves. As a result, a higher weight and a heavier version of the ski boot carrier can be caused.
  • the guide means of the sheet guide are designed as a dovetail-like sliding guide.
  • the guide means are designed on the one hand as a groove and on the other hand as a complementary projection.
  • the groove has a dovetail-shaped profile in a direction transverse to the tangential direction of the circular arcs.
  • dovetail-like profile is here to understand a chamfer of Nutenwandungen which results in a trapezoidal cross section of the groove.
  • Under a trapezoid is here and below to understand a quadrilateral with exactly two parallel sides. In this case, the longer of the two parallel trapezoidal sides in cross section forms the bottom of the groove and the shorter forms the engagement side of the groove through which engage the corresponding projection in the groove.
  • the trapeze has exactly two right inner angles, which corresponds to an embodiment as a one-sided dovetail guide.
  • all four internal angles are different from 90 °, wherein the trapezoidal cross-section is preferably symmetrical with respect to an axis which is perpendicular to the parallel sides of the trapezoid.
  • the trapezoidal cross-section of the groove may also be formed asymmetrically.
  • the sheet guide can also be designed as a pure flat guide, which has a circular arc-shaped groove which has a square or rectangular cross-section transverse to the tangential direction of the circular arc.
  • a guide has the disadvantage that the projection can slide out of the groove in a direction perpendicular to the plane in which the circular arcs lie.
  • Such a sheet guide allows so with respect to the geometric axis of rotation of the sheet guide only a radial, but no axial guidance.
  • the sheet guide is designed as a rolling guide, wherein the base part-side guide means rollers and / or rollers.
  • the corresponding ski boot carrier-side guide means comprise circular-arc-shaped rails. When pivoting the ski boot carrier relative to the base part roll off the rollers or rollers on the rails.
  • rollers are used as a substitute for both terms.
  • the rollers are preferably rotatable about geometric axes of rotation which are parallel to the geometric axis of rotation of the pivoting movement.
  • the rollers need not be mounted on axle bodies, but may also have other bearings.
  • the rollers can z. B. be arranged in roller cages in which they can rotate about the respective axes of rotation.
  • the cages can be z. B. be formed on the base part or be separate cages. This z. B. all rolls of a row be stored in the same cage.
  • the axes of the rollers lie obliquely with respect to the geometric axis of rotation of the pivoting movement. This can z. B. the advantage can be achieved that an axial displacement of the ski boot carrier is prevented in the direction of the axis of rotation of the pivoting movement.
  • rollers are preferably arranged in each case in two circular arc-shaped rows, wherein the centers of the circular arcs of the respective row lie on the geometric axis of rotation of the pivoting movement, have different radii and lie in the same plane perpendicular to the geometric axis of rotation.
  • a double-row arrangement of rollers or rollers is preferably arranged symmetrically with respect to the ski boot plane spaced therefrom.
  • two arcuate curved rails are arranged symmetrically with respect to the ski boot plane spaced therefrom.
  • the rails have such a radius of curvature that they fit between the two rows of rollers.
  • the different radii of each two arcuate rows of rollers are chosen such that the rail between the rollers of the two rows is guided and roll the rollers during pivoting on the rail.
  • the rollers of the row with the smaller radius of the circular arc roll on a center-side surface of the rail and the rollers of the row with the larger radius roll on a side of the rails remote from the center.
  • the rollers need not be distributed equidistantly over the circular arc, but may have pairs of different distances along the circular arc, whereby the storage can be adapted to the different stresses in different pivot positions and superfluous rollers can be avoided.
  • the rail then lies substantially in the ski boot plane, with the rows of rollers correspondingly arranged to receive the rail.
  • the cross section of the rail can be z. B. T-shaped, wherein the two ends of the crossbar of Ts are each guided between two rows of rollers and the vertical longitudinal beam is in the ski boot plane. At the free end of the longitudinal beam of the Ts, the rail then acts on the guided part, z. B. the ski boot carrier.
  • the storage z. B. also by a recirculating ball system or by individual solid balls, which are firmly fixed by one or more cages, be realized.
  • a guide is very smooth and almost free of play, but has the disadvantage that an execution is very complicated. In addition to high production costs, this also results in a more difficult maintenance.
  • the rails are designed as profile rails, wherein the rollers and / or rollers have a profile complementary to the profile rails.
  • the profile rails z. B. a cross-shaped cross-section perpendicular to the tangential direction of the circular arc. The corresponding rollers then have a notch in the jacket, which extends around the entire circumference of the rollers.
  • the rails are flat.
  • flat rails have the disadvantage already mentioned above that they allow a displacement of the rails in the direction of the roll rotation axes.
  • Such a sheet guide thus enables only a radial and axial guidance with respect to the geometric axis of rotation of the pivoting movement.
  • the sheet guide is at least partially made of a plastic.
  • various parts of the sheet guide in particular the different guide means, can be made of different plastics.
  • materials other than plastics can be combined with plastic parts, such as. B. Metallachspian with rubber rollers or metal rails with plastic rollers and other conceivable combinations.
  • Plastics have in particular in the case of an embodiment of the invention with a sliding guided sheet guide the advantage that they can get along without further lubrication.
  • Plastic plain bearings are generally among the most important representatives of lubrication and maintenance-free plain bearings.
  • composites which consist of base polymer, reinforcing materials (eg fibers) and solid lubricants are also used for these requirements.
  • lubricants constantly come to the surface due to micro wear and thus reduce the friction and wear of the bearings.
  • plastics with low coefficients of friction. Because of the particularly low friction coefficient z. As polytetrafluoroethylene (Teflon) like used for linear bearings and rotary bearings. In addition, the static friction is just as large as the sliding friction, so that the transition from standstill to movement without jerking expires.
  • Teflon polytetrafluoroethylene
  • the bearings can also be made of metal. Because of the necessary lubrication and the higher weight, such an embodiment is not preferable.
  • FIG. 1 shows a perspective view of a portion of a ski binding according to the invention 10.
  • the binding 10 is in a so-called downhill position, in which a not shown heelback is completely lowered to a ski on which the binding 10 is attached.
  • the ski boot carrier 15 comprises an elongated hollow profile 18, on which a carriage 57 with guide means 16 and 17 of a bow guide 11 are present, as well as the toe jaw 13 and the heel jaw, not shown, are attached.
  • a ski boot carrier longitudinal direction A defines in the downhill position a longitudinal direction B of the ski binding 10, with which a longitudinal direction of a ski boot sole of a ski boot (not shown) accommodated in the ski binding 10 coincides.
  • the toe 13 includes a sole depressor 14 which can hold the ski boot to the ski boot sole in a ski boot tip area. When held in the binding 10 state, the ski boot sole is parallel to a ski surface of a ski (not shown) to which the ski binding 10 is attached.
  • FIGS. 1 to 3 The ski binding 10 is located in Fig. 1 to 3 in the downhill position, in which the heel cup is completely lowered onto a ski provided with the binding.
  • FIG. 3 shows a frontal view of the binding 10 with a viewing direction along the ski binding longitudinal direction B from the front to the (not shown) heelback of the binding, wherein the viewpoint on the ski binding longitudinal axis B on the heel cheek side facing away from the front jaw 13.
  • FIG. 2 shows a sectional view of the binding 10 in a sectional plane G, which is perpendicular to the ski surface and to which the ski binding longitudinal direction B is parallel. The sectional plane G thereby cuts the sheet guide 11 of the ski binding 10.
  • the base part 12 has an elongated base plate 20 with which the base part 12 can be fastened on a surface of a ski.
  • a thin plate surface 21 and a flat plate surface 22 of the base plate 20 are substantially parallel to the ski surface and the longitudinal direction of the base plate 20 is parallel to the ski binding longitudinal direction B.
  • the base member 12 is symmetrical with respect to a ski boot plane C (see FIG Fig. 3 ), in which the ski binding longitudinal axis B lies and which is perpendicular to the plate surfaces 22 of the base plate 20.
  • the base part 12 further has two side walls 23 and 24, which have a substantially triangular outline. The side walls 23 and 24 are formed mirror-symmetrically with respect to the ski boot plane C.
  • the triangular outline of the side walls 23 and 24, respectively, has a base side 25 of a length approximately equal to 2/3 of the length of the base plate 20 and has two further sides 27 and 28 which are approximately equal in length.
  • the height of the side walls 23 and 24 above the base side 25 of the triangular outline corresponds to approximately 1/3 of the length of the base plate 20. It is understood that the length ratios are not necessarily adhered to as indicated, but only refer to the illustrated embodiment. The specified length ratios can also be chosen differently.
  • the side walls 23 and 24 need not have a triangular outline, but z. B. be formed rectangular.
  • the two side walls 23 and 24 are formed on the base plate 20 such that the base side 25 of the outline is parallel to the ski binding longitudinal direction B, wherein a common corner 31 of the base side 25 and the side 27 in a region on a heel jaw remote longitudinal end 29 of the base plate 20th lies.
  • the side walls 23 and 24 are each formed on long sides 30 of the base plate 20, wherein they enclose substantially with the base plate 20 in a plane transverse to the ski binding longitudinal direction B a right angle. Thus, in this plane, a U-shaped cross-section of the base part 12.
  • the arms of the US are formed by the cross section of the side walls 23 and 24 and the bottom of the US of the cross section of the base plate 20.
  • the side walls 23 and 24 are mirror-symmetrical arranged with respect to the ski boot plane C.
  • the other two sides 27 and 28 of the triangular outline of the side walls 23 and 24 have a concave curvature.
  • the side 28 has a circular curvature 32.
  • the center of the circular curved side 28 lies on a geometric axis of rotation D about which the ski boot carrier 15 can be pivoted relative to the base part 12.
  • the geometric axis of rotation D is approximately at the same height above the base plate 20 as a base side 25 opposite corner 40 of the triangular outline of the side walls 23 and 24.
  • the geometric axis of rotation D is approximately 1/3 of the length of the base plate 20 of the latter Heelsbackennahem longitudinal end 33 offset to the longitudinal end 29 out.
  • the base plate 20 further has a cylindrical recess 44 (see Fig. 4 ) having a radius which substantially corresponds to the distance of the geometric axis of rotation D from the skinahen plate surface 21 and the cylinder axis coincides with the geometric axis of rotation D.
  • the radius of the recess 44 may of course be greater or smaller than the distance of the geometric axis of rotation D of the plate surface 21, but it is preferably chosen slightly larger.
  • the recess 44 extends transversely to the ski binding longitudinal direction B over a region which corresponds to the distance from inner sides 34 and 35 of the side walls 23 and 24.
  • the base plate 20 has an elongated rectangular recess 47, which extends from the heel jaw side longitudinal end 33 of the base plate 20 in the direction of the longitudinal end 29 out into the recess 44.
  • arcuate grooves 36 and 37 are formed, which continue on the inner side surfaces 45 and 46 of the cylindrical recess 44.
  • the centers of the circular arcs of the grooves 36 and 37 lie on the geometric axis of rotation D.
  • the grooves 36 and 37 are at both longitudinal ends 38 and 41 or 39 and 42, d. H. at the ends of the circular arcs, open over their entire cross section.
  • the radii of the circular arcs, which follow the grooves 36 and 37, are chosen larger than the radii of the circular arcs 32, which describe the side 28 of the outline of the side walls 23 and 24 respectively.
  • the radii of the circular arcs of the grooves 36 and 37 approximately correspond to the average of the vertical distances of the geometric axis of rotation D from the skinahen plate surface 21 and the ski plate surface 22 of the base plate 20th
  • One of the open longitudinal ends of the grooves 36 and 37 namely the longitudinal end 38 and 39, lies on the side 27 of the outline of the side walls 23 and 24 in a region at the corner 40, while the other open longitudinal end 41 and 42 respectively in the skifernen plate surface 22 of the base plate 20 is located.
  • the ski boot carrier 15 comprises a carriage 57, which is designed such that it can be pivoted in the grooves 36 and 37 of the base part 12, relative to the base part 12 about the geometric axis of rotation D.
  • the carriage 57 has a portion of a hollow cylinder 58.
  • the hollow cylinder section 28 In the direction of the cylinder axis is the hollow cylinder section 28 bounded by two annular end faces 59 and 60.
  • the end faces 59 and 60 have in the direction of the cylinder axis at a distance which corresponds with a clearance fit the distance of the inner sides 34 and 35 of the side walls 23 and 24 of the base part 12.
  • the portion of the hollow cylinder 58, which forms the carriage 57, corresponds to an azimuthal angular range of the hollow cylinder, which substantially corresponds to the angular range of the circular arc of the grooves 36 and 37 from one of its longitudinal ends 41 and 42 to the other longitudinal end 38 and 39 respectively.
  • the outer radius of the hollow cylinder 58 substantially corresponds to the radius of the cylindrical recess 44 of the base plate 20 of the base part 12, wherein the radius of the carriage 57 is slightly smaller in order to ensure a free pivoting of the ski boot carrier 15.
  • the end faces 59 and 60 of the hollow cylinder portion 58 lie in planes that are perpendicular to the cylinder axis.
  • the carriage 57 each have a circularly curved projection 61 and 62, which project in the direction of the cylinder axis over the end faces 59 and 60, respectively.
  • the circular arcs of the projections 61 and 62 have the same radius as the grooves 36 and 37 of the base part 12.
  • the centers of the circular arcs lie on the cylinder axis of the hollow cylindrical portion 58 of the carriage 57 and the planes in which the circular arcs of the projections 61 and 62 lie , are perpendicular to the cylinder axis. In a plane F (see Fig.
  • the projections 61 and 62 in which the cylinder axis lies, and which is transverse to the tangential direction of the curvature of the projections 61 and 62, the projections 61 and 62, respectively, have a cross-section corresponding to the respective cross-section of the grooves 36 and 37 in the same plane F.
  • “complementary match” includes a clearance fit, whereby it is achieved that the projections 61 and 62 can slide guided in the grooves 36 and 37.
  • the carriage 57 of the ski boot carrier 15 is arranged in the base part 15 such that the cylinder axis of the hollow cylinder section 58 coincides with the geometric axis of rotation D.
  • the projection 61 is in the groove 36 and the projection 62 in the groove 37.
  • the carriage 57 is then guided with the projections 61 and 62 in the grooves 36 and 37, respectively, about the geometric axis of rotation D pivotally.
  • the hollow cylinder section 58 of the carriage 57 is completely received between the side walls 23 and 24 and in the recess 44.
  • the carriage 57 is rigidly connected to the hollow profile 18 of the ski boot carrier 15.
  • the hollow profile 18 is inserted into a tubular part 54 which is formed on the carriage 57 and has an inner cross section 55 which corresponds to the outer cross section of the hollow profile 18.
  • the hollow section 18 is in the tubular part 54 z. B. fastened by a screw 56 with the carriage 57.
  • the tubular part 54 is formed on the carriage 57 such that in the downhill position, the longitudinal direction of the hollow profile 18 is arranged substantially parallel to the plate surfaces 21 and 22 of the base plate 20 of the base member 12 and the tubular member 54 in the cuboid recess 47 of the base plate 20th lies.
  • a skiferne outer side 48 of the tubular member 54 is substantially smooth in the skiferne plate surface 22 of the base plate 20 and a skinahe outer side 49 of the tubular member 54 is substantially smooth in the Skinahe plate surface 21 on.
  • the front jaw 13 comprises an elongate base plate 50, the plate surfaces 51 and 52 are arranged in the down position substantially parallel to the plate surfaces 21 and 22 of the base plate 20 of the base member 12.
  • the plate surface 51 faces the ski
  • the plate surface 52 lies on the side facing away from the ski side of the base plate 50 and forms a bearing surface for a ski boot sole of a ski boot present in the binding.
  • the base plate 50 is connected at its skinahen plate surface 51 with the outer skins 48 of the tubular part 54 of the carriage 57.
  • the plate surface 51 is thus partially in the downhill position on the plate surface 22 of the base plate 20 of the base member 12 and extends substantially to an inner side 63 of the hollow cylindrical portion 58 of the carriage 57.
  • the longitudinal direction of the base plate 50 corresponds to the longitudinal direction of the tubular portion 54th
  • the bead 53 serves as a defined sliding or bearing surface for the shoe sole of a ski boot held in the binding 10.
  • the sole lower holder 14 of the front jaw 13 serves on the one hand for holding down a shoe sole of a ski boot present in the binding 10 in the direction of the base plate 50 and on the other hand forms a stop for the ski boot sole in the longitudinal direction A of the ski boot carrier 15 towards the base part 12.
  • the sole-down holder 14 is pivotable about an axis E, which is substantially perpendicular to the base plate 50, supported against a spring.
  • a force acting on the ski boot sole which exceeds a predetermined release force
  • the ski boot sole can be triggered sideways.
  • Such a construction of a safety release of a front jaw 13 is from the WO 96/23559 (Fritschi ) and for a detailed description, eg. B. the position of the spring and its coupling to the sole holder, reference is made to the description there.
  • the sole depressor 14 lies in the downhill position in ski boot carrier longitudinal direction A completely between the plane F and the inner side 63 of the hollow cylindrical portion 58 of the carriage 57. Further, the sole lower holder on lateral projections 64 and 65 which extend in a direction perpendicular to the ski boot plane C to a distance which substantially correspond to the distance of outer surfaces 66 and 67 of the side walls 23 and 24.
  • the supernatants 64 and 65 can be pivoted without obstruction by components of the binding 10 with the ski boot carrier 15.
  • FIGS. 4 and 5 show a representation of the inventive ski binding 10 in a pivoting position.
  • the ski boot carrier 15 is lifted in a region of the heel jaw (not shown) from a ski surface to which the ski binding 10 is attached.
  • Guided by the bow guide 11 of the ski boot carrier 15 is pivoted about the geometric axis of rotation D that the ski boot carrier longitudinal direction A with the ski binding longitudinal direction B includes an angle ⁇ , which is different from zero.
  • the included angle ⁇ approximately 45 °. But there are also other pivot positions possible, with the included Angle ⁇ can be at least 90 °.
  • FIG. 4 shows one of the Fig. 1 corresponding view of the ski binding 10
  • Fig. 5 shows a sectional view of the binding 10 in a sectional plane, the sectional plane G of the sectional view in Fig. 2 equivalent.
  • the projections 61 and 62 of the carriage 57 are partially slipped out of the grooves 36 and 37 at the open longitudinal ends 41 and 42.
  • the carriage 57 is partially swung out of the recess 44.
  • the tubular part 54 of the carriage 57 is swung out of the recess 47.
  • the attached to the ski boot carrier 15 toe 13 is thus also pivoted about the geometric axis of rotation D, whereby the skinahe plate surface 51 of the base plate 50 of the front jaw 13 is lifted from the skifernen plate surface 22 of the base plate 20 of the base member 12.
  • the sole retainer 14 is no longer completely between the inner side 63 of the hollow cylindrical portion 58 of the carriage 57 and the plane F as shown in the illustrations of Fig.
  • the sole depressor 14 has been rotated by pivoting about the geometric axis of rotation D such that it is partially cut from the plane F in a region between the geometric axis of rotation D and the skinahen plate surface 21 of the base plate 20. Due to the circular curvature 32 of the concave side 28 of the outline of the side walls 23 and 24, the projections 64 and 65 can thereby be freely rotated with the toe jaw 13 about the axis of rotation D.
  • the shoe sole of a ski boot (not shown) present in the binding 10 can slide sideways out of the toe 13 without being obstructed by parts of the base 12.
  • FIG. 6 shows a further embodiment of a ski binding 110 according to the invention in a pivoting position.
  • the binding 110 in this case has a base part 112 and a ski boot carrier 115, on which a toe jaw 114 is attached.
  • the ski boot carrier 115 is pivotable by a curved guide 111 relative to the base part 112 about a geometric axis of rotation H.
  • the geometric axis of rotation H in this case corresponds to the geometric axis of rotation D of Fig. 1-5
  • the view of the representation of Fig. 6 corresponds to the view of the binding 10 in the Fig. 5 and shows a sectional view in a plane which, analogous to the plane G of Fig. 3 lies.
  • the ski boot carrier 115 comprises a carriage 157 with the shape of a hollow cylinder section 158 with an annular end face 159.
  • the hollow cylinder section 158 has on the end face 159 an arcuate rail 200 which projects beyond the end face 159 in the direction of the cylinder axis of the hollow cylinder section 158.
  • the centers of the circular arcs of the rails 200 lie on the cylinder axis of the hollow cylinder section 158.
  • the ski boot carrier 115 is analogous to the ski boot carrier 15 of FIG Fig. 1-5 symmetrically formed, whereby also a mirror-symmetrical to the rail 200, in the representation of Fig. 6 invisible, second rail results.
  • the sheet guide 111 in this case comprises guide means 116, which have two rows 201 and 202 of circular arc-shaped, substantially cylindrical rollers 203.
  • the circular arcs of the rows 201 and 202 have a smaller, row 201, and a larger radius, row 202.
  • the rollers 203 have cylinder axes 204, which are arranged parallel to the geometric axis of rotation H.
  • the circular arc-shaped rows 201 and 202 are arranged such that the rollers 203 of the row 201 to the rollers 203 of the row 202 on the shell side have a smallest distance, which substantially corresponds to a radial thickness of the rail 200. Depending on the embodiment, the distance may also be smaller when the rollers 203 z. B.
  • the radius of the circular arc of the row 201 is dimensioned so that the rollers 203 do not protrude beyond a circular arc 132 of a side 128 of the outline of a side wall 123.
  • the mean value of the radii of the circular arcs of the two rows 201 and 202 corresponds to the Radius of the circular arc of the rail 200.
  • the two rows 201 and 202 are thereby completely accommodated in an annular recess 205 of the inside of the side wall 123.
  • the recess 205 is open on the inner wall of the side wall 123.
  • the recess 205 is not open over its entire radial cross-section at azimuthal longitudinal ends 206 and 207 in the azimuthal direction, but has openings 208 and 209 only in a central radial region.
  • the radius with respect to the geometric axis of rotation H, at which the openings 208 and 209 are in the radial direction, corresponds to the mean value of the radii of the two rows 201 and 202 and thus also the radius of the circular arc of the rail 200.
  • the openings 208 and 209 are also on the inside of the side wall 123 open.
  • the openings 208 and 209 are dimensioned such that a cross section of the rail 200 can easily pass through them.
  • the opening 208 lies on a side 127 of the outline of the side wall 123 in a region on a corner 140 and the opening 209 lies in a skifernen plate surface 122 of a base plate 120 of the base part 112nd
  • the rollers 203 of the two rows 201 and 202 are not uniformly distributed over the arc of the rows 201 and 202. In an area closer to the longitudinal end 207, the rollers 203 are arranged denser than in an area near the longitudinal end 206. This ensures that in areas of greater load on the sheet guide 111 more rollers 203 are available for storage, while in areas of lesser load fewer rollers 203 available. In another embodiment, however, the rollers 203 may also be uniformly distributed over the circular arc sections of the rows 201 and 202.
  • the base part 12 of Fig. 1-5 is also the base part 112 symmetrical with respect to a plane which the ski boot plane C of Fig. 1-5 equivalent.
  • the design of the side wall 123 is therefore transmitted mirror-symmetrically on a second side wall, whose representation in the view of Fig. 6 not possible.
  • the mirror-symmetrical side wall has guide means of a sheet guide 111, which correspond to the above-described guide means of the side wall 123 mirror-symmetrically.
  • the ski boot carrier 115 is arranged on the base part 112 such that the cylinder axis of the carriage 157 coincides with the geometric axis of rotation H.
  • the rail 200 is arranged between the two rows 201 and 202 of the rollers 203.
  • the rail 200 is thus guided so guided between the rollers 203 of the two rows 201 and 202 that a pivoting of the ski boot carrier 115 about the geometric axis of rotation H is possible.
  • the rail 200 passes through the opening 209 in the ski plate surface 122 of the base plate 120 therethrough.
  • the rail 200 also passes through the opening 208 therethrough.
  • pivoting the ski boot carrier 115 roll the rollers 203 on the rail 200 from.
  • the movement of the pivoting movement corresponds to the movement of the in the Fig. 1-5 illustrated embodiment of the ski binding.
  • the bowing is, however, in contrast to the execution of Fig. 1-5 achieved by a rolling bearing and not by a sliding bearing.
  • the Fig. 7a and 7b show possible cross sections of a sliding guide designed as a sheet guide.
  • the illustrated cross sections correspond to the cross sections of a sheet guide 11 in the plane F as shown in the Fig. 1 to 5 is shown.
  • the guide means 301 comprise a groove 304, which is formed on an inner wall 309 of a side wall 305 of a base part.
  • the guide means 301 comprise a projection 306 provided in the groove 304, which projection is formed on the end face 307 of a slide 308 of a ski boot carrier.
  • the projection 306 has a trapezoidal cross-section 310.
  • the cross section of the end face 307 defines a base side 311.
  • the cross section 310 of the projection 306 has a first side 312 which is perpendicular to the base side 311.
  • a second side 313 of the cross-section 310 encloses an angle ⁇ of less than 90 °, preferably 55 °, with the base side 311, the angle ⁇ on the outside at Projection 306 is measured.
  • the cross-section 310 has a third side 314 which lies parallel to the base side 311 and connects the longitudinal side 311 facing away from the longitudinal ends 315 and 316 of the sides 312 and 313.
  • the side 312 is therefore also perpendicular to the third side 314.
  • the side 312 corresponds to the flat guide 303 of the illustrated bow guide 300, while the oblique-angled side 313 forms a dovetail guide 302.
  • the cross-section of the groove 304 is complementary to the cross-section 310 of the projection 306, wherein a clearance allows a sliding displacement of the projection 306 in the groove 304.
  • FIG. 7b shows a representation of the Fig. 7a corresponding cross section through a further possible embodiment of an inventive sheet guide 400.
  • the Fig. 7a corresponding parts are provided with reference numerals which are higher by 100 than that of Fig. 7a ,
  • Guide means 401 thereby comprise a projection 406 which is present in a groove 404 which is formed on an inner wall 409 of a side wall 405 of a base part.
  • the projection 406 is substantially rectangular in cross-section 410, wherein two shorter rectangular sides are perpendicular to a base side 411, which is formed by an end face 407 of a carriage 408.
  • a further projection 421 is formed, which in the illustration of Fig. 7b also has a rectangular cross section 422.
  • the further projection may also have a different cross section, such. B.
  • a parallel to the base side 411 side 423 of the further rectangular projection 421 goes smoothly into a side 4204 parallel to the base side 420 of the projection 406 on.
  • the length of the rectangular cross section 422 of the further projection 421 perpendicular to the base side 411 is half the length of the shorter sides 425 and 426, respectively.
  • Fig. 7a corresponds also in the representation of the Fig. 7b the groove 404 complementary to the projection 406, also allowing a clearance fit the necessary displacement.
  • FIG. 8 shows a possible embodiment of a sheet guide 500, which is designed as a rolling bearing with guide means 501.
  • the view corresponds to that in the Fig. 7a and 7b illustrated view of a cross section in the plane F of Fig. 2 and 5 or a corresponding level in the Fig. 6 , Reference numerals of parts which those of Fig. 7a are about 200 higher than those of the Fig. 7a and will not be described in detail below.
  • one of the guide means 501 is formed as a rail 521.
  • the rail 521 is designed as a profile rail 520 with a cross-shaped cross section 522.
  • the cross-shaped cross-section 522 includes a rectangular rail body 523 formed on an end surface 507 forming a base side 511, two longer sides 524 and 525 of the rectangular rail body 523 being perpendicular to the base side 511.
  • the rectangular rail body 523 on the two longer sides 524 and 525 in the center each have a further rectangular projection 526 and 527.
  • the rail 521 is guided between two further, designed as rollers 530 and 531 guide means 501.
  • the rollers 530 and 531 each have a cross section 532 and 533, which has notches 534 and 535 in the respective shell sides 536 and 537 of the rollers 530 and 531.
  • the notches 534 and 535 are made complementary to the projections 526 and 527.
  • the rollers 530 and 531 are secured via axle beams 528 and 529 to an inner wall 538 of a recess 539.
  • the recess 539 is formed on an inner side 509 of a side wall 505 of a base part.
  • the geometric axes K and L of the axle bodies 528 and 529 are perpendicular to the inner wall 538, which is parallel to the end face 507.
  • the rollers 530 and 531 are arranged such that the axes K and L lie in the cutting plane and are spaced such that the shell sides 536 and 537 abut the longer sides 524 and 525 of the rail body 523 and the projections 526 and 527 in the Notches 534 and 535 are present.
  • an inventive movement of the rail 521 in a direction perpendicular to the cutting plane then roll the lateral surfaces of the rollers on the rail body, wherein the projections 526 and 527 cause a guide in the axial direction of the axes K and L.
  • rollers have smooth lateral surfaces and the rail body has a simple rectangular cross-section.
  • a ski binding according to the invention can differ considerably from the embodiments described above.
  • the shape of the binding parts can differ significantly from the illustrated forms.
  • sealing means may also be present which seal the sheet guide and its guide means against penetrating moisture. This can also be prevented that snow or dirt can penetrate into the sheet guide and thus cause increased wear or damage.
  • plain bearings is to prevent z. As sand or small stones can damage the sliding surfaces.
  • rollers or rollers are used.
  • rolling bodies such as balls or needles.
  • linear guides are basically suitable for carrying out a ski binding according to the invention.
  • the rolling bodies are guided in cages. It can be the rolling bodies of a series 201 or 202 z. B. be held in a single cage. Likewise, each rolling body can be kept in its own cage.
  • the cages can be formed by separate parts of the sheet guide or be formed in the base part of the binding itself. It is z. B. conceivable that the cages are designed as cylindrical holes in which z. B. rollers can rotate. The holes are then open tangentially, allowing the rollers to roll on a rail. Likewise, spherical cavities are conceivable in which balls can rotate and which have an opening.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Die Bonding (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Magnetic Heads (AREA)

Claims (10)

  1. Fixation de ski avec un support de chaussure de ski (15, 115) pour maintenir une chaussure de ski, dans laquelle le support de chaussure de ski (15, 115) est relié par une articulation à une pièce de base (12, 112) fixée au ski, dans laquelle l'articulation comprend un guide arqué (11, 111, 300, 400, 500), caractérisée en ce que le guide arqué (11, 111, 300, 400, 500) est réalisé de telle manière qu'il guide le support de chaussure de ski (15, 115) en un mouvement pivotant autour d'un axe de rotation (D, H) stationnaire par rapport au guide avec exactement un degré de liberté.
  2. Fixation de ski selon la revendication 1, caractérisée en ce que le guide arqué (11, 111, 300, 400, 500) est réalisé de telle manière que le support de chaussure de ski (15, 115) soit apte à pivoter autour d'un axe de rotation géométrique (D) stationnaire par rapport à la pièce de base (12, 112).
  3. Fixation de ski selon la revendication 2, caractérisée en ce que ledit axe de rotation géométrique est disposé au-dessus d'une face d'appui (52) pour une semelle de chaussure de ski et avec un décalage arrière vers l'appui de talon par rapport à une butée, éloignée au maximum d'un appui de talon du support de chaussure de ski (15, 115), d'un arrêt de semelle (14) de l'appui avant (13) pour une chaussure de ski, qui limite la position d'une chaussure de ski en direction du support de chaussure de ski (15, 115).
  4. Fixation de ski selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le guide arqué (11, 300, 400) est un guide à coulisse.
  5. Fixation de ski selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le guide arqué (11, 300, 400) présente des moyens de guidage engagés les uns dans les autres (16, 17, 301, 401), qui comprennent au moins une rainure en arc de cercle (36, 37, 304, 404) et au moins une saillie correspondante en arc de cercle (61, 62, 306, 406) pouvant se déplacer dans celle-ci, dans laquelle les centres des arcs de cercle sont situés sur l'axe de rotation géométrique (D) du guide.
  6. Fixation de ski selon la revendication 5, caractérisée en ce que ladite au moins une rainure (36, 37, 304, 404) est réalisée du côté de la pièce de base.
  7. Fixation de ski selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le guide arqué (11, 300) est réalisé sous la forme d'un guide à coulisse (302) en queue d'aronde.
  8. Fixation de ski selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le guide arqué (111) est réalisé sous la forme d'un palier à roulement avec des galets et/ou des rouleaux (203, 530, 531) et au moins un rail en arc de cercle (200, 521), dans laquelle le centre de l'arc de cercle est situé sur l'axe de rotation géométrique (H).
  9. Fixation de ski selon la revendication 8, caractérisée en ce que ledit au moins un rail (200, 521) est un rail profilé (520) et les rouleaux (203, 530, 531) et les galets présentent un profil latéral complémentaire à celui-ci.
  10. Fixation de ski selon l'une quelconque des revendications 1 à 9, caractérisée en ce que le guide arqué (11, 111, 300, 400, 500) est fabriqué au moins en partie en une matière plastique.
EP06405200A 2006-05-12 2006-05-12 Fixation de ski Not-in-force EP1854513B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT06405200T ATE475466T1 (de) 2006-05-12 2006-05-12 Skibindung
DE502006007529T DE502006007529D1 (de) 2006-05-12 2006-05-12 Skibindung
EP06405200A EP1854513B1 (fr) 2006-05-12 2006-05-12 Fixation de ski

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06405200A EP1854513B1 (fr) 2006-05-12 2006-05-12 Fixation de ski

Publications (2)

Publication Number Publication Date
EP1854513A1 EP1854513A1 (fr) 2007-11-14
EP1854513B1 true EP1854513B1 (fr) 2010-07-28

Family

ID=37460163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06405200A Not-in-force EP1854513B1 (fr) 2006-05-12 2006-05-12 Fixation de ski

Country Status (3)

Country Link
EP (1) EP1854513B1 (fr)
AT (1) ATE475466T1 (fr)
DE (1) DE502006007529D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009018853A1 (de) 2009-04-24 2010-10-28 Marker Deutschland Gmbh Skibindung
AT515397B1 (de) * 2014-02-13 2015-11-15 Tyrolia Technology Gmbh Vorderbacken einer Sicherheitsskibindung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH521140A (fr) * 1970-12-04 1972-04-15 Reuge Sa Dispositif de fixation de sécurité de l'extrémité avant d'une chaussure sur un ski
DE29824950U1 (de) * 1997-07-07 2003-09-11 Fritschi Ag Swiss Bindings Rei Skibindung
FR2843311B1 (fr) * 2002-08-08 2004-09-10 Salomon Sa Dispositif de fixation a accrochage integre
FR2856312B1 (fr) * 2003-06-18 2005-08-05 Salomon Sa Dispositif de fixation a bras pivotant

Also Published As

Publication number Publication date
EP1854513A1 (fr) 2007-11-14
ATE475466T1 (de) 2010-08-15
DE502006007529D1 (de) 2010-09-09

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