Classifications

• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
  • A63C5/00—Skis or snowboards
  • A63C5/02—Skis or snowboards collapsible; divided
• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
  • A63C5/00—Skis or snowboards
  • A63C5/006—Appearance of the ski-tip, the rear end or the upper ski-edge
• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
  • A63C5/00—Skis or snowboards
  • A63C5/04—Structure of the surface thereof
  • A63C5/0417—Structure of the surface thereof with fins or longitudinal protrusions on the running sole
• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
  • A63C5/00—Skis or snowboards
  • A63C5/04—Structure of the surface thereof
  • A63C5/052—Structure of the surface thereof of the tips or rear ends
• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
  • A63C5/00—Skis or snowboards
  • A63C5/06—Skis or snowboards with special devices thereon, e.g. steering devices

Definitions

• the invention relates to skis, such as especially snow, water and Sandskis, in each case a ski for each leg of the skier, or the so-called monoski, where the skier stands with his two legs on a ski, the Skivorderteil raised to is running on the lower surface of the ski is a tread, and on the upper surface behind the front part of the ski, a binding for connection with the shoe of the skier, possibly directly to the foot of the skier with the ski, is arranged at the rear part the ski and / or behind the end of the ski at least one member is arranged, projecting from the downwards into the snow layer, flat-shaped projections, which are usually arranged along the ski sides, wherein the projection surfaces in the vertical plane, parallel to the longitudinal axis of Ski oriented.
• skis such as especially snow, water and Sandskis
• the hitherto known ski design especially for soft, heavy wet snow or frozen hard snow, for example, was in Skiverkürzung behind the binding. By shifting the weight of the skier on the foot part of the ski edge came into engagement, which thus acted as a braking element. This was already in the 19th century, for example
• Tread is running, and on the upper surface behind the front part of the ski, a binding for connection with the shoe of the skier, possibly directly to the foot of the skier with the ski, is arranged at the rear of the ski and / or behind the end of the ski Skis at least one member is arranged, projecting from the downwards, in the snow layer, flat-shaped projections, which are usually arranged along the ski sides, wherein the projecting surfaces in the vertical plane parallel to
• the ski is extended in the direction from the front to the rear of a flat-shaped extension, which is located at the rear end of the ski, and behind the rear Part of the ski expires, wherein the longitudinal axis of the attachment in a vertical plane with the longitudinal axis of the ski is identical.
• the attachment is formed from a plate-shaped base of the attachment, on each side of the base of the attachment and / or between the sides of the base in the direction along the ski at least a flat-shaped projection is arranged, the surface of which is oriented in the direction of the longitudinal axis of the ski, or copy the arcuate recess of the side edge of the ski, wherein the flat-shaped projection is directed from the base down into the snow layer, the front part of the base of the attachment forms a flat-shaped claw, wherein the lower surface of the claw to the upper surface of the rear end the ski is tightly engaged, and the cleat is connected to the ski by means of connecting means, the base lifting behind the front part of the base at the point at the rear edge of the rear end of the ski, thus forming the rear part of the base, the lower one Area of the rear part of the base when placing the tread of the ski on a horizontal surface with the horizontal plane forms a pointed angle, on the upper surface of the base of the attachment at the point around its central part a support surface for the attachment
• Previously known ski versions of the ski is much more stable in the bow according to this new technical solution, and he helps with uncontrolled forward bending to the rear
• skis require no knowledge of special or new Skilauftechnik according to this new technical solution and especially allow complete beginners a simpler and previously exceptionally fast mastery of the necessary Skilauftechnik.
• the construction of the attachment is such that it is fixed to the upper surface of the front part of the binding intended for the attachment of the front part of the ski boot sole and the upper surface of the heel part of the binding intended for the insertion of the heel part of the ski boot sole; plane laid on the level of the surface of the ski on a horizontal surface is horizontal or approaches a horizontal plane, allows the attachment of the ski boot in a position that the correct and comfortable
• the execution of the height of the flat-shaped projection so that the distance between its apex and the horizontal surface which contacts the surface of the tread is in the interval of 0 to 50 mm is useful from the viewpoint of the start of the flat-shaped projection and its operability ,
• the flat-shaped projection is at
• Peak point of the horizontal plane is the most favorable in the interval from 0 to 10 mm. Analogously, from the standpoint of operability, the advantage of the arrangement of at least one flat-shaped projection behind the front part of the base was confirmed experimentally.
• the wedge-shaped reduction in the thickness of the flat-shaped projection in the sense of the base down is favorable from the viewpoint of its mechanical strength. It also ensures a speedy Start of the braking effect of the flat-shaped projection when it intervenes. It also contributes to a higher stability of the skier.
• the execution of the brake projection in the lower part of the base of the cultivation allows the skier to brake more intensively while increasing the trunk yield to the rear. This is especially beneficial in unexpected situations and when driving off steep slopes. It allows the skier to choose the appropriate speed or driving style, especially with regard to the technical skill of the skier and the level of difficulty of the terrain.
• the choice of the cultivation material possibly combination of several materials of cultivation, allows an optimal decision in terms of material and thus ski price, on the type of production and technology processes, on quality requirements for each ski, its mechanical strength, resistance and service life and not least the weight of the product.
• steel or titanium will be suitable.
• the advantage of titanium is also its low weight.
• Aluminum is considered as a universal and easily producible material for cultivation at a relatively low cost; However, it is limited suitable for ice covered terrain. From the perspective of low production costs and simple
• Plastic is also a suitable material for cultivation, but it is especially suitable for groomed and non-frozen piste surfaces.
• Composite has mechanical strength, wear resistance and low specific gravity.
• abrasion resistant hard layer reduces the wear of such treated attachments, especially when driving in abrasive hard hard snow, and extends their service life.
• the titanium nitride coating is particularly efficient by means of cathode sputtering on exposed surfaces. On the one hand, this coating is harder than the coating obtained in the ion nitriding furnace, and on the other hand, it also enables the titanium nitride coating of components made of plastic.
• the embodiment of the stiffening side members in the form of ribs disposed on the sides of the base, particularly at the most exposed location, in the vicinity of their pitch and in place at the trailing edge of the rear end of the ski increases the mechanical strength of the base their mechanically most stressed place. It contributes to higher driving safety and extending the service life of the ski.
• the releasable connection of the stiffening side members, the flat-shaped projections and base-mounted brake projections allows their replacement in the event of wear or other damage. It also allows for operational selection and installation of the appropriate type and construction of these parts with regard to the nature and condition of the terrain and to the skill of the skier.
• the arrangement of the support surface of the foot of the ski boot of the heel part of the binding at the rear edge of the rear end of the ski is an experimentally confirmed suitable position of the heel part of the binding. Their distance from 3 cm behind the rear edge of the back end of the ski to 7 cm in front of the rear edge of the rear end of the ski was found to be optimal.
• the arrangement of the end part, which runs out of the rear end of the ski and is connected to it, increases the mechanical strength of the entire ski and prevents the fraying of the skis of the ski. It also allows the production of the ski.
• the executed at the end part or at the end edge of the ski wedge-shaped projection has
• converging convex bows and / or broken in the form of Gothic arched surfaces prevents the crossing of the skis when driving and thus contributes to a safe
• Such an embodiment of the completion of the base in the form of Gothic arch also serves as a braking element of the cultivation.
• the braking effect of the end of the base is increased.
• the arcuate completion of the recess is favorable from a mechanical point of view. Compared to the design with sharp edges and the risk of injury and the capture of a part of the ski or clothing is reduced by the cultivation.
• An adjustable version of the front part of the binding with lag locking allows the use of a binding type for all common types of ski boots, including
• the choice of the appropriate shape of the flat-shaped protrusion will be made in terms of physical ability of the skier, on the type of snow and on the character of the terrain.
• concave shape of the leading edge of the flat-shaped projection slower and faster engages, thereby also enters the braking effect and the intensity of influencing the direction slower and faster.
• the concave shape is suitable for more moderate slopes and less demanding terrain as well as for deeper and heavier, wet snow. Conversely, this applies to the convex shape of the leading edge of the flat-shaped projection, which intervenes more quickly in the event of inclination or forward bending of the skier, and their effect is more rapid and intense. This form is therefore suitable for demanding terrain, steep slopes, frozen or icy surfaces and for more experienced skiers with good physical condition.
• flat-shaped projection in linear form is universal, it is therefore a compromise form for all types of terrain and snow and all levels of skill of skiers.
• the angle a which the leading edge of the flat-shaped projection forms with the lower surface of the rear part of the base in the interval of 10 ° to 80 ° seems to be most favorable for the achievement of the effect required of the flat-shaped projection.
• the interval in the range of 20 0 to 25 ° was experimentally confirmed to be optimal.
• the suitability of the size of the ß-angle, the lower surface of the rear part of the Base with a horizontal plane forms that it is in the interval of 5 ° to 30 °, optimally in the interval of 10 ° to 15 °.
• Important is the execution of the plane of the support surface for the attachment of the heel part of the binding so that the ⁇ -angle, the plane of the
• Supporting surface when placing the running surface of the ski on a horizontal surface with the horizontal surface is smaller than the ß-angle, which allows to position the ski boot in the binding so that its sole forms only a small angle with the horizontal surface, which is optimally zero. This ensures the skier a comfortable and safe ride and skibearance. The skier is not forced to a constant large forward bend forward, which is unnatural and strenuous for the skier and the Skibeherrschung difficult, as is the case with a much too large ⁇ - angle.
• FIG. 1 the ski with the attachment at the ski end, with safety binding according to this invention and with a ski boot in front view
• Fig. 2 this ski is shown with the cultivation, but only with the front part of the safety binding in plan view.
• the attachment in section is shown in Fig. 3 and its plan view in Fig. 4.
• the extension with gothic floor is shown in plan view in fig.
• the rear part of the ski with the end part, which is provided with three wedge-shaped projections, is shown in plan view in Fig. 7.
• FIG. 8 is the schematic representation in spherical coordinates, partly in bottom view, of the rear part of the ski with the attachment, which carries the heel part of the safety binding.
• the attachment in different design of the leading edge of the flachformigen projection is shown in elevation and partly in section in Fig. 9, 10 and 11.
• the base with the necked, flat-shaped projection, partly in cross-section, is shown in Fig. 12, or in the elevation in Fig. 13.
• the attachment with swivel-shaped flat-shaped projections is shown in the elevation in Fig. 14 and 15. Examples of the invention
• the ski 1 in FIGS. 1 and 2 has a raised front part 2, on the lower surface it has a running surface 14, and on the upper surface 18 behind the front part 2 of the ski 1, it has arranged a binding 17.
• the ski 1 is extended in the direction of the front part 2 to the rear part 3 to a flat-shaped attachment 4, which is arranged at the rear end 5 of the ski 1, wherein the detail of the attachment of Fig. 3, 4, 5 and the Fig. 6 and 8 to 15 can be seen.
• the longitudinal axis of the attachment 4 is identical in a vertical plane to the longitudinal axis of the ski 1.
• the attachment 4 is formed from the plate-shaped base 6, wherein on the rear part 12 of the base 6 respectively on each side against each other, at right angles to the longitudinal axis of the ski 1 meant , a flat-shaped projection 7 is arranged, whose surface is oriented in the line of debauchery of the side edge of the ski 1 and is directed from the base 6 downwards.
• Another flat-shaped projection 7, which protrudes from the lower surface 13 of the rear part 12 of the base 6 is in a vertical plane which passes through the longitudinal axis of the ski 1, and in front of two flat-shaped projections 7 is formed on the sides of the base 6 are arranged, seen upstream in the direction of travel.
• the front part 8 of the base 6 is in the form of a flat-shaped foot whose lower part 9 tightly abuts against the upper surface 10 of the rear end 5 of the ski 1, and the claw 27 is fixedly releasably connected to the ski 1 by means of connecting means.
• the base 6 lifts up at the point at the rear edge 1 1 of the rear end 5 of the ski 1 bent, the lower surface 13 of the rear part 12 of the base 6 when placing the tread 14 of the ski 1 on a horizontal surface with this horizontal surface forms the ß-acute angle.
• a support surface 21 for attachment of the heel part 17 is executed at the location of the Nickung the base 6.
• the plane of the support surface 21 forms with a horizontal plane the ⁇ -angle, which is smaller than the ß-angle, wherein the ß-angle 20 ° and the ⁇ -angle has 10 °.
• a second surface 22 is delimited between the front part 2 of the ski 1 and the front edge 19 of the base 6 of the attachment 4, on which a pad 26 of the front part 20 of the binding 17 is attached.
• To the upper surface of the base 26 is the lower surface of the front part 20 of the binding 17, which is detachably connected to the base 26, to, wherein the front part 20 of the binding 17 relative to the base 26 in the direction of the longitudinal axis of the ski 1 slidably adjustable with Lüarretmaschine is in this direction.
• On the upper surface 24 of the front part 20 of the binding 17 is the front part of the lower surface of the sole 35 of the ski boot 36 and on the upper surface 25 of the heel part 16 of the binding 17 is the heel part of the lower surface of the sole 35 of the ski boot 36, wherein the bottom surface of the sole 35 is in a horizontal plane.
• an arrow-shaped brake projection 23 also, which is arranged in the longitudinal axis of the ski 1.
• the arrowhead is oriented in the direction of travel.
• the rear part 12 of the base 6 of the attachment 4 has in Fig. 6 a conclusion in the form of Gothic arch.
• the end portion 29 is connected in Fig. 7 with the rear edge 11 of the rear end 5 of the ski 1.
• the side walls of the rear end 5 of the ski 1 attach to the side edges 30 of the ski 1.
• Contrary to the direction of travel run three wedge-shaped projections 28 from the end portion 29, which are formed with arcuate recess of the end portion 29, wherein in each case a wedge-shaped projection 28 on each of the side edges 30 of the ski 1 and a wedge-shaped projection in the longitudinal axis of the ski 1 are executed ,
• the base 6 of the attachment 4 which carries the heel part 16 of the binding 17, fixed in Fig. 8 with the claw 27.
• the end portion 29 is fixed, run out of the two wedge-shaped projections 28 against the direction of travel, which are executed with arcuate recess of the rear part of the end part 29.
• the leading edge 31 in Fig. 11 has a linear design, wherein it forms an ⁇ -acute angle of 35 0 with the lower surface 13 of the base 6, which is greater than the ß-angle, the lower surface 13 of the base 6 with a horizontal level and has the 20 0 .
• the plane of the support surface 21 forms with the horizontal surface a ⁇ - angle of 10 °.
• a portion of the flat-shaped projection 7 of the attachment 4 in Fig. 14 is flexibly pivotable about the pivot axis 37 executed, which is perpendicular to the longitudinal axis of the attachment 4.
• Swivel axis 37 mounted perpendicular to the longitudinal axis of the attachment 4, wherein it is inserted during pivoting in the longitudinal opening, which is executed in the rear part 12 of the base 6 and / or outside the side edges of the base 6.
• the skis according to this technical solution can be used in all types of skiing, on snow, water, sand, on different types of profiles and on different types
• Terrain difficulty levels especially on soft or heavy wet snow or on frozen snow.
• the skis are suitable for beginners and for descents on steep mountainsides.

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• Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

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Cited By (3)

Citations (5)

• 2010
  • 2010-02-10 CZ CZ20100073A patent/CZ201073A3/cs unknown
• 2011
  • 2011-02-10 WO PCT/CZ2011/000015 patent/WO2011098054A1/de active Application Filing

Patent Citations (6)

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