EP0699097B1 - Corps de glissement, notamment ski ou patin - Google Patents

Corps de glissement, notamment ski ou patin Download PDF

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Publication number
EP0699097B1
EP0699097B1 EP95908279A EP95908279A EP0699097B1 EP 0699097 B1 EP0699097 B1 EP 0699097B1 EP 95908279 A EP95908279 A EP 95908279A EP 95908279 A EP95908279 A EP 95908279A EP 0699097 B1 EP0699097 B1 EP 0699097B1
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EP
European Patent Office
Prior art keywords
slide body
oscillation
regions
body according
anyone
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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.)
Expired - Lifetime
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EP95908279A
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German (de)
English (en)
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EP0699097A1 (fr
Inventor
Georg Ignatius
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Individual
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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
    • A63C5/00—Skis or snowboards
    • A63C5/06—Skis or snowboards with special devices thereon, e.g. steering devices
    • A63C5/075—Vibration dampers

Definitions

  • the invention relates to a sliding body, in particular one Skis or a skid like those used in equipment and vehicles can be used, especially for snow, ice, but also Water sports.
  • the object of the invention is therefore to create in terms of the aforementioned aspects further improved sliding bodies.
  • the middle and higher frequency ranges or natural vibration frequencies and above all that Find resonance spectrum in these areas.
  • the basic idea of the invention is therefore the realization with at least one vibration-active structure Multiple natural frequencies from at least one row successive spatial or surface areas whose Vibration parameters progressively in the respective subsequent direction or degressive variant.
  • the vibration parameters specified in the form of mutual distances Sections within the successive areas or also in the form of the local mass density, bending deformation stiffness or damping within the successive Areas.
  • vibration active in the sense of Invention is an outline whose in at least one row successively, especially in mutual coupling arranged excellent or differentiated from their surroundings Areas in terms of their own vibration parameters or in terms of that is given by coupling with their environment Vibration parameters in the range of natural frequencies or the the one given as the starting object or the one with certain Characteristics of the body to be realized.
  • a quantitative one Delimitation of the vibration activity must therefore be the circumstances of the respective application. This delimitation is theoretical based on criteria known per se or can be determined mathematically or experimentally, often even immediately evident.
  • the effect of such a vibration active Outline is accordingly aimed at a desired Design of the natural frequency spectrum.
  • Target can be e.g.
  • a Compression of the natural frequencies i.e. an increase in the number of natural frequencies in a given frequency range, or the creation of new natural frequencies as well as an equalization, Increase or decrease the course of the Resonance amplitudes in one frequency range or more the same. All of this can be used for targeted influencing Sliders in terms of their sliding and running properties and / or their maneuverability or maneuverability, but also their durability against dynamic loads be used.
  • sliding bodies are generally subject to wear during operation a permanent but irregular, i.e. consistently not periodic, exposure to more or less jerky Compressive forces and / or bending and / or torsional moments. This results in a correspondingly irregular sequence of stimulated with the natural frequencies of the body.
  • Appropriate elastic deformations mostly have deeper ones Frequency ranges have undesirable effects, but are currently in to dampen these frequency ranges relatively difficult.
  • a Shifting the natural frequencies to higher frequency ranges or an increase in the resonance amplitudes in these areas suitably designed, vibration-active structures can be found here To remedy this, often with relatively little construction work.
  • the excitation energy on the part of the successive, sudden loads in one certain distribution on the natural frequencies of the body becomes.
  • a relatively large number of natural frequencies or an increased natural frequency density, as can be seen by using the Features of the invention can be easily reached, accordingly for a general reduction in the maximum vibration or deformation amplitudes are used, preferably in Connection with a shift of the vibrational energy in relatively little disruptive frequency ranges.
  • At least one sequence with is advantageous a variety of excellent areas, especially with at least 5 such areas.
  • An important feature further consists in that at least one oscillating variant row of excellent areas.
  • At least one oscillating variant row of excellent areas In particular also come with different room or structure Area-extending rows of excellent Areas into consideration.
  • the outlines with their rows of marked areas can be in at least one surface section and / or at least one wall section a cavity of the sliding body or along at least one Edge of a sliding body can be arranged distributed.
  • a further inventive idea is characterized by at least one vibrationally structured surface layer or at least one layer section, in particular in the form of a Granulate, lacquer and / or film coating, preferably with Metal content.
  • the excellent areas can - especially with regard to their Dimensions - be determined by differences in their vibration parameters in terms of the area environment within the Sliding body. So the stiffness, the mass or in mass density or the damping within an excellent Area in terms of its surroundings higher or also have lower values. This can be done in a technically simple manner embedded in a surrounding body or in another suitably associated with this, in terms of material and / or dimensions compared to the surrounding base body contrasting elements or by means of cutouts or Depressions, in particular e.g. in the form of domes or notches can be achieved.
  • At least one vibration-active structure the at least one is linear, flat or spatial extending overlay structure consisting of at least two spacing and / or Subdivision and / or value series contains. It can in a special form of this feature at least one vibration-active Outline with at least one linear, areal or spatial overlay structure be provided, which contains at least two equidistance series.
  • the values and / or distribution of at least one vibration parameter in the successive excellent areas one row at a time, e.g. within each equidistance row, can in turn be dimensioned at least approximately the same, however, these values are preferably at least in sections correspondingly at least one harmonic or at least one geometric series or according to an overlay of such Dimension rows. Rows of the latter type also have no in overlaid outlines have often proven special advantages.
  • Fig. 1 is a thrust resistant with a sliding body wall RB connected stiffening rib in the form of an elongated Vibrating element SE indicated.
  • this element In addition to its static support function to reinforce the slider has this element as Part of the whole body significantly affects that Resonance spectrum and the transient response.
  • Special is here an unevenly distributed structure G des over the length of the bar Longitudinal profile provided from a profile height additive superposition of four equidistant rows R1 to R4 consists. Each of these rows includes excellent areas A1 or A2 or A3 or A4 with increased bending deformation stiffness as well as excellent areas arranged alternately with the latter B1 or B2, etc. reduced bending deformation stiffness.
  • stiffened areas are due to the larger beam cross-section also a larger mass allocation before, if not by additional measures - such as reducing the profile width or a reduction in the cross-sectional area in the middle Section height range, e.g. in the form of recesses or Breakthroughs - compensation or even overcompensation this increase in mass is made.
  • the vibration pattern of a resonance body generally exists from a diverse overlay of standing waves different Wavelength and amplitude. In the node areas there is a slight or vanishing in the abdominal areas a maximum, elastic bending deformation. In the Areas of increased or decreased bending stiffness are consequently the formation of vibration nodes or antinodes favored. While now a simple, equidistant Distribution of areas of increased and decreased stiffness Formation of a standing wave only concentrated in the area of one Favored resonance frequency, which already has certain desired accentuations within the resonance spectrum can be achieved different equidistant overlays Rows of excellent areas increased and decreased Stiffness a highlighting of a corresponding frequency band.
  • the areas of the resonance spectrum in which the stresses appear can be set in a largely targeted and reproducible manner.
  • the stiffness differences can be measured differently within the individual rows, advantageously in such a way that these differences are graduated from row to row in the same direction as the distance value.
  • Such an embodiment is indicated in Fig. 1 by the profile contour shown in solid lines.
  • the partial contours of the sequences R1 and R2 are indicated by dashed lines.
  • the difference in stiffness can also be varied in each case, for example in such a way that it decreases from both sides starting from a center point of the oscillating element or of an oscillating element section. This then results, for example, in an outline G1, as indicated by dash-dotted lines in FIG. 1.
  • FIG. 2 shows a plate-shaped vibrating element SE2 with superimposition structure G3 on both sides of the surface.
  • This Outlines already correspond in their cross-sectional profile explained edge superimposition G according to Fig. 1.
  • Die Areas of increased or reduced bending stiffness form one here Group of adjacent, elongated combs or Troughs that are transverse to their longitudinal direction form explained type.
  • Fig. 3 schematically represents the possibility of a further refined surface overlay outline, namely in the form of two itself on a surface side of a plate-shaped Swinging element SE3 crossing sheets of comb-shaped Areas A1, A2, A3 of increased bending stiffness, the two superimpositions Form G3 and G4 in the manner of Fig.2.
  • Outlines of this type allow the two-dimensional, standing wave formations and come with big ones Efficiency especially for extended resonance structures into consideration. If places with thin-walled plate resonators avoided with a particularly small remaining cross-sectional thickness the crossing arrangement is recommended one each Comb-trough structure on both surface sides of the plate.
  • mass classifications can be made without essential ones Influencing the stiffness also favorable in terms of production technology with the help of all sides within the vibrating surface delimited, i.e. spot-shaped elevations or depressions achieve.
  • the latter can in particular also in the form of Breakthroughs with a smaller surface area within a plate-shaped vibrating element are executed while advantageous for the areas of increased vibration mass allocation the application of additional masses comes into consideration.
  • stiffness and mass classifications can also be made in an arrangement with mutually reinforcing Combine effect.
  • Fig. 4 shows a plate-shaped surface Vibrating element SE4 extending, grid-shaped mass structure G5 with e.g. circular areas AA1, AA2, .... increased Vibrating mass and with the same areas BB1, BB2, .... reduced vibration mass.
  • This grid distribution corresponds to their basic structure along a two-dimensional structure crossing sets of lines according to Fig. 3.
  • FIG. 5 shows in cross section the formation of the areas BB1, BB2, .... in the form of holes within the thin-walled Plate element and the formation of areas of increased mass in the form of additional elements ZM1, ZM2, ZM3, Vietnamese Latter can e.g. glued on as button-like elements of simple shape become.
  • the production is particularly advantageous the possibility of the elements ZM2 and ZM3 indicated Application in the form of thin layers of high material Density, for which heavy metals and corresponding alloys, especially precious metals.
  • This Elements can be conveniently shaped in the form of sections of film manufacture and glue, but also in the form of metal-filled Apply molding compounds or varnishes. The latter offers the particular advantage of simplicity in terms of production.
  • the cross-sectional design of a stiffening rib according to Fig. 6 is based on the knowledge that even in relatively compact Form relevant transverse vibrations in the solid occur, in the present case i.a. Bending vibrations in different directions parallel to the cross-sectional area.
  • Standing waves with a longitudinal direction transverse to the longitudinal direction of the ribs are determined by the superimposition structure G8a, b, c distributed areas of increased or decreased Flexural rigidity in their training according to a harmonious Row favors.
  • Corresponding effects can be found in the vibrating solid body embedded areas or elements ED higher density according to the rib design according to Fig. 7 achieve that in the form of two intersecting at right angles Superpositions G9a and G9b are arranged.
  • Fig. 8 again shows a stiffening rib with edge or Cross-sectional height structure G10a, but with towards the ends on average decreasing cross-sectional height and with an arcuate Overall education.
  • G10a are superimposed on the flanks of the rib G10b with wave or wave ridge-like depressions VT or increases EH provided, and with respect to the structure G8a in Fig. 6 with right angles offset longitudinal extent of the outline.
  • Fig. 9 shows an overlay structure on a plane Plate element with rib-shaped attachment stiffening elements AV.
  • the structure extends in the direction transverse to the ribs.
  • the individual ribs are here only with the ordinal numbers 1 to 8 of the corresponding harmonics designated the denominator of the distance division ratio of the concerned Overlap sequence.
  • the rib height and thus the The stiffening effect decreases with the atomic number, which is special depending on the application conditions to a balanced Resonance course can contribute.
  • Such an essentially one - dimensional structure favors the formation of Standing waves only in one direction of the plate.
  • Figures 10 to 14 show various other examples vibrationally active structures according to the invention on one Ski. 10 and 11 schematically illustrate a longitudinal structure LX with cross profile elevations and recesses according to the type of basic design according to FIG. 1. Such a design mainly affects the flexural vibration behavior of the ski.
  • FIGS. 12 and 13 are inherently in the width direction of the ski-stretching vibration-active structures QX1 or QX2, in the form of strip-shaped, depressions or hollows extending in the longitudinal direction of the ski on the top or inside of the ski body cross-section. In the form of recesses, a corresponding one is obvious Cover provided that is not vibration-active Needs to have an effect.
  • Fig. 14 shows schematically one active vibration extending in the vertical direction of the ski cross-section HX structure in the form of lamellar, stiffening and / or mass-increasing inserts in the ski body. Essential is the structure of the structure for all these versions, namely a multiple overlay structure according to the type of Fig. 1.
  • Vibration-active structure can for example consist of longitudinal or Transverse ribs as connected to the inner wall of the fuselage, excellent areas.
  • Fig. 17 shows two vibrationally active divisions KOX and KSX, again in the manner of Fig. 1, with Increases and depressions along the inside or outside Extend edge areas of a skate blade.
  • KOX and KSX again in the manner of Fig. 1, with Increases and depressions along the inside or outside Extend edge areas of a skate blade.
  • a relative reduction in friction due to stress high-frequency deformation vibrations of the skid body achievable.

Landscapes

  • Vibration Prevention Devices (AREA)
  • Lubricants (AREA)
  • Sliding-Contact Bearings (AREA)

Claims (19)

  1. Corps glissant, en particulier un ski ou patin de glissement, avec une pluralité des régions à trois ou deux dimensions, lesdites régions étant distinguées de leur voisinage par leurs masses, densités massiques, rigidités en déformation ou amortissements en vibrations, et lesdites régions étant arrangées dans une succession correspondente au moins à une progression mathématique, caractérisé par le fait qu'au moins dans une part d'une desdites progressions (R1 ..... R4) les distances (D1 ..... D4) des sections prédéterminées des régions successives sont déterminées variantes dans la direction de la succession en mode croissant ou décroissant à tel point que le résultat est une articulation active en oscillation du corps glissant avec des fréquences de résonance multiples.
  2. Corps glissant, en particulier un ski ou patin de glissement, avec une pluralité des régions à trois ou deux dimensions, lesdites régions étant distinguées de leur voisinage par leurs masses, densités massiques, rigidités de déformation ou amortissements de vibrations, et lesdites régions étant arrangées dans une succession correspondentes à au moins une progression mathématique, en particulier un corps glissant selon la revendication 1, caractérisé par le fait qu'au moins dans une part d'une desdites progressions (R1 ..... R4) les valeur extremales ou valeurs moyennes ou la distribution des masses, densités massiques, rigidités de déformation ou amortissements de vibrations, dans des régions successives (B1 ..... B4) sont déterminées variantes dans la direction de la succession en mode croissant ou décroissant à tel point que le résultat est une articulation active en oscillation du corps glissant avec des fréquences de résonance multiples.
  3. Corps glissant selon quelq'une des revendications précédentes, caratérisé par le fait qu'il est prévue au moins une progression consistant en des régions avec au moins un paramètre d'oscillation étant différent relativement à leur voisinage, ladite progression étant variante oscillantement au moins par des sections.
  4. Corps glissant selon quelq'une des revendications précédentes, caratérisé par le fait qu'il sont prévus des distances et/ou des sectionnements et/ou des distributions des valeurs étant déterminés conformement à une progression harmonique.
  5. Corps glissant selon quelq'une des revendications précédentes, caratérisé par le fait qu'il sont prévus des distances et/ou des sectionnements et/ou des distributions des valeurs étant déterminés conformes à une progression géométrique.
  6. Corps glissant selon quelq'une des revendications précédentes, caratérisé par au moins une articulation (G) active en oscillation comprenant au moins une structure en superposition s'étendrant en forme d'une ligne ou d'une surface ou dans l'espace et se composant d'au moins deux progressions en distance et/ou en sectionnement et/ou en valeurs (R1, R2, R3 ...).
  7. Corps glissant selon la revendication 6, caratérisé par le fait que ladite structure en superposition comprend au moins deux progressions (R1, R2, R3 ...) en distances et/ou en sectionnements et/ou en valeurs, lesdites progressions étant équidistantes au moins approximativement.
  8. Corps glissant selon la revendication 6 ou 7, caratérisé par le fait que dans chacune desdites progressions superposées les valeurs et/ou la distribution du au moins un paramètre d'oscillation desdites régions successives étant distinguées de leur voisinage par au moins un paramètre d'oscillation, sont déterminés au moins approximativement égaux.
  9. Corps glissant selon quelq'une des revendications 6 jusqu'à 8, caratérisé par le fait que dans chacune desdites progressions superposées les valeurs et/ou la distribution du au moins un paramètre d'oscillation desdites régions successives étant distinguées de leur voisinage par au moins un paramètre d'oscillation, sont déterminés au moins approximativement ou en sections conformement à au moins une progression harmonique ou au moins une progression géométrique ou conformement à une superposition des progressions de telle façon.
  10. Corps glissant selon quelq'une des revendications précédentes, caratérisé par le fait qu'il est prévue au moins une progression variante, en particulier variante dans un mode harmonique ou geometrique, ladite progression comprenant des régions distinguées de leur voisinage par au moins un paramètre d'oscillation et s'étendrant dans plusieurs dimensions ou directions dans l'espace ou la surface.
  11. Corps glissant selon la revendication 10, caratérisé par le fait qu'il y a des progressions des régions avec au moins un paramètre d'oscillation différent de leur voisinage, lesdites progressions étant variantement active en oscillation et s'étendrant dans plusieurs dimensions ou directions dans l'espace ou la surface, et qu'il sont attribuées aux lesdites dimensions ou directions des successions différentes au moins partiellement en distances entre lesdites régions, et/ou attribuées des variations des paramètres d'oscillation différentes de région en région et/ou dans chacune desdites régions.
  12. Corps glissant selon quelq'une des revendications précédentes, caratérisé par le fait qu'il est prévue au moins une articulation étant variantement active en oscillation et de préférence variante en mode harmonique ou geometrique, et ladite articulation, en particulier plusieurs des articulation active en oscillation en superposition mutuelle, s'étendrant sur au moins cinq partitions de l'articulation.
  13. Corps glissant de forme allongée, selon quelq'une des revendications précédentes, caratérisé par le fait qu'il est prévue au moins une articulation variantement active en oscillation s'étendrant en direction de la largeur du corps glissant.
  14. Corps glissant de forme allongée, selon quelq'une des revendications précédentes, caratérisé par le fait qu'il est prévue au moins une articulation étant variantement active en oscillation et s'étendrant dans un angle, de préférence au moins approximativement rectangulairement à la plaine déterminée par la longueur et la largeur du corps glissant.
  15. Corps glissant selon quelq'une des revendications précédentes, caratérisé par le fait qu'il est prévue au moins une progression des régions distinguées de leur voisinage par au moins un paramètre d'oscillation, ladite progression étant variantement active en oscillation et distribuéet le long d'au moins une arête du corps glissant.
  16. Corps glissant selon quelq'une des revendications précédentes, caratérisé par le fait qu'il sont prévues des régions actives en oscillation avec des valeurs au moins d'un paramètre d'oscillation, en particulier de la densité massique locale rapportée à l'unité de surface ou de la rigidité locale en déformation, étant moindres relativement au moins à une part de leur voisinage, lesdites régions actives en oscillation étant formées par des renfoncements ou des ouvertures, en particulier en forme des rainures ou des calottes, dans une surface du corps glissant.
  17. Corps glissant selon quelq'une des revendications précédentes, caratérisé par le fait qu'il sont prévues des régions actives en oscillation avec des valeurs d'au moins un paramètre d'oscillation, en particulier de la densité massique locale rapportée à l'unité de surface ou de la rigidité locale en déformation, étant supérieures ou moindres relativement à au moins une part de leur voisinage, lesdites régions actives en oscillation étant formées par des éléments d'inclusion.
  18. Corps glissant selon la revendication 17, caratérisé par le fait que lesdites éléments d'inclusion consistent en matériau différent du matériau de base, en particulier en un matériau d'une densité supérieure ou moindre et/ou d'un module d'élasticité supérieur ou moindre.
  19. Corps glissant selon quelq'une des revendications précédentes, caratérisé par au moins une couche superficielle articulée activement en oscillation ou par au moins une section de la couche avec des couchages de granulat, laque et/ou de feuille, en particulier avec une teneur en métal.
EP95908279A 1994-02-14 1995-02-14 Corps de glissement, notamment ski ou patin Expired - Lifetime EP0699097B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4404475 1994-02-14
DE4404475A DE4404475A1 (de) 1994-02-14 1994-02-14 Gleitkörper, insbesondere Ski oder Gleitkufe
PCT/EP1995/000540 WO1995021663A1 (fr) 1994-02-14 1995-02-14 Corps de glissement, notamment ski ou patin

Publications (2)

Publication Number Publication Date
EP0699097A1 EP0699097A1 (fr) 1996-03-06
EP0699097B1 true EP0699097B1 (fr) 2001-11-14

Family

ID=6510094

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95908279A Expired - Lifetime EP0699097B1 (fr) 1994-02-14 1995-02-14 Corps de glissement, notamment ski ou patin

Country Status (7)

Country Link
US (1) US5884932A (fr)
EP (1) EP0699097B1 (fr)
JP (1) JP3790791B2 (fr)
AT (1) ATE208648T1 (fr)
AU (1) AU1665795A (fr)
DE (2) DE4404475A1 (fr)
WO (1) WO1995021663A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT411572B (de) 2001-09-07 2004-03-25 Fischer Gmbh Gleitkörper, insbesondere ski sowie verfahren zur herstellung eines gleitkörpers, insbesondere für skier
AT500159B8 (de) * 2001-10-01 2007-02-15 Atomic Austria Gmbh Schi, sprungschi oder snowboard mit einer strukturierten oberfläche
EP1693089B1 (fr) * 2005-02-16 2009-01-07 Skis Rossignol Planche de glisse
SI22083B (sl) * 2005-07-18 2009-12-31 Elan, D.O.O. Smučka ali snežna deska z izboljšano torzijsko togostjo
WO2008131737A2 (fr) * 2007-04-25 2008-11-06 Respa Resonanz Spektral-Abstimmungen Corps à oscillations modulées, ensemble comprenant une structure et un corps, utilisation d'un corps, procédé de modulation et procédé d'amortissement des oscillations

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326006A1 (de) * 1983-07-19 1985-01-31 Georg 7841 Malsburg-Marzell Ignatius Schwing- und/oder reflexionsfaehiger festkoerper fuer geraete und einrichtungen zur erzeugung, abstrahlung, verteilung bzw. weiterleitung von schallschwingungen
US4627635A (en) * 1983-09-20 1986-12-09 Koleda Michael T Vibration damping units and vibration damped products
US4679814A (en) * 1984-01-27 1987-07-14 Tristar Sports Inc. Randomly oriented reinforcing fibers in a snow ski
AT391088B (de) * 1988-05-26 1990-08-10 Head Sportgeraete Gmbh Ski mit daempfungslagen
FR2643431B1 (fr) * 1989-02-20 1994-04-01 Rossignol Sa Skis Dispositif amortisseur comprenant des materiaux visco-elastiques
FR2698012B1 (fr) * 1992-11-19 1994-12-16 Rossignol Sa Structure de ski.

Also Published As

Publication number Publication date
EP0699097A1 (fr) 1996-03-06
US5884932A (en) 1999-03-23
AU1665795A (en) 1995-08-29
JPH09500314A (ja) 1997-01-14
ATE208648T1 (de) 2001-11-15
DE59509832D1 (de) 2001-12-20
WO1995021663A1 (fr) 1995-08-17
DE4404475A1 (de) 1995-11-23
JP3790791B2 (ja) 2006-06-28

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