EP0168579A1 - Skispitzenschoner - Google Patents

Skispitzenschoner Download PDF

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Publication number
EP0168579A1
EP0168579A1 EP85105837A EP85105837A EP0168579A1 EP 0168579 A1 EP0168579 A1 EP 0168579A1 EP 85105837 A EP85105837 A EP 85105837A EP 85105837 A EP85105837 A EP 85105837A EP 0168579 A1 EP0168579 A1 EP 0168579A1
Authority
EP
European Patent Office
Prior art keywords
ski
tip
counter
shape
vibration
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.)
Withdrawn
Application number
EP85105837A
Other languages
English (en)
French (fr)
Inventor
Leo Sartor
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.)
CABER ITALIA SpA
Original Assignee
CABER ITALIA SpA
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
Publication date
Application filed by CABER ITALIA SpA filed Critical CABER ITALIA SpA
Publication of EP0168579A1 publication Critical patent/EP0168579A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/06—Skis or snowboards with special devices thereon, e.g. steering devices
    • A63C5/07—Skis or snowboards with special devices thereon, e.g. steering devices comprising means for adjusting stiffness
    • 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
    • A63C5/062—Protection or reinforcement devices for the ski-tip or the ski rear end

Definitions

  • This invention relates to a counter-tip device for skis.
  • That effect is most evident at the tip of the ski and may be particularly troublesome for the skier in addition to being a sure cause for losing speed.
  • vibration of the ski tips constituting a cause for difficult control of the skis may constitute a cause of engagement with the poles present along the track.
  • a further object is that of providing a device, which by virtue of the configuration of the tip of the ski reduces the risk of engagement of the ski with the poles of slalom gates, even when they are struck by the skier.
  • Another object is to provide a device which is readily attachable to a ski without substantially altering its structure.
  • a not unimportant object of the invention is to provide a device which, when attached to a ski, imparts particular properties of safety and manageability thereto, particularly appreciable in competition type skis.
  • Still another object is to provide a device of simple operation and low cost.
  • a counter-tip device for skis characterized in that it comprises a generally flat body having a seat formation for inserting therein a ski tip and vibration-dampening means on said body.
  • the Applicant has conducted experiments involving the utilization of a guiding rod, mounted substantially vertically in said chamber and including disks formed of a material having a high specific weight mounted slideably thereon and guided thereby along the rod.
  • a guiding rod mounted substantially vertically in said chamber and including disks formed of a material having a high specific weight mounted slideably thereon and guided thereby along the rod.
  • this cited arrangement of a rod and slideably mounted disks is only effective to attenuate some components of vibration generated by forces acting, in the plane containing the axis of the rod and at most, only a small portion of the forces acting in other intersecting planes, while gravity forces and centrifugal and inertia forces cannot be coped with such arrangement.
  • the device according to the invention in a first embodiment thereof, is shown in Figure 1 where it is mounted on the tips respectively of a left ski 1 and right ski 2.
  • the device comprises a counter-tip respectively indicated at 3 and 4 for the left ski and for the right ski, said counter-tip including a shaped body which partially overlaps the ski tip, having in this area a seat respectively 5 and 6 for the two skis 1,2, said seat 5, 6 being shaped to match the tip 1,2 of a ski which is to be contained therein.
  • the seat may be pocket-like, if desired.
  • This counter-tip is extended, in this embodiment, with an asymmetrical pattern curving inwards to terminate with a pointed front zone respectively 7 and 8, so shaped as to define, with the two skis 1 and 2 laid with their inner edges 11a, 11b side by side, a shape substantially resembling a single ski tip.
  • the counter-tip making reference for example to the ski 1, is a continuation of the outer edge 9 of the ski into a curved zone indicated at 10, and continues until the pointed zone 7 is substantially aligned with the inner edge 11 of the ski.
  • the counter-tip may be symmetrically arranged with respect to the center line of the ski.
  • the pocket seat 6 formed in the counter-tip 4 is defined by an upper wall 4a adapted to engage with the upper side 2a of a ski 2 and a lower wall 4b adapted to engage with the lower side 2b of said ski 2.
  • Said lower wall 4b being formed with first 301 and second 302 protuberances adapted to be received within first 300e and second 300b correspondingly shaped through holes formed on the ski 2.
  • Said protuberances 302 and 301 include centrally located through holes 300a, 300d, which are coaxial with through holes 300b, 300e when in assembled condition and being adapted for allowing passage therethrough of screws 21,14, respectively.
  • Said upper wall 4a of said counter-tip 4 including a third protuberance 303 adapted to be received in the hole 300b, and having a centrally located threaded dead hole 300a coaxial with the centrally located through hole 300a of said lower wall and said through hole 300b of said ski 2 for fixing engagement with said screw 21, when in assembled condition.
  • Said upper wall 4a further including a large through hole 313 adapted to accommodate a boss 13 therein.
  • Said boss 13 being formed with a projection 304 adapted to be received within the hole 300e formed in said ski 2, and having a centrally located threaded dead hole 300f coaxial with the centrally located through hole 300d of said lower wall 4b and said through hole 300e of said ski 2 for fixing engagement with the screw 14, when in assembled condition.
  • the counter-tip 4 is formed of a material having inherent elastic properties permitting said upper wall 4a and said lower wall 4b to be spread in the direction of the arrows A, B in Figure 5, thus allowing for insertion of the tip of a ski 2 therein.
  • the boss 13 may then be inserted into the large through hole 313, with its projection 304.
  • Screws 14, 21 may then be inserted into the now aligned holes 300a, 300c and 300f, 300d wherein, appropriate tightening thereof will clamp and secure the entire assembled structure causing the counter-tip 4 to become substantially integral with the tip of the ski 2, as illustrated in Figure 2.
  • FIG. 2 Shown in Figure 2 is a section of the right ski 2 where the boss 13 is brought out with the through screw indicated here at 140
  • the vibration-dampening unit 16 comprises an outwardly substantially frusto-conical hollow body 17 rigid with the counter-tip which is in this case indicated at 4 and having on its interior a substantially cylindrical cavity or chamber indicated at 18.
  • Said hollow frusto-conical body 17 is closed by a cover 19 for example force fitted whilst the bottom 20 of the vibration-dampening element is attached to the ski tip 2 by means of a screw 21, passing through the underside of said counter-tip 4 and through said ski 2 tip into said bottom 20 of said vibration-dampening unit 16.
  • Said cylindrical cavity 18 contains an incoherent mass formed in this first embodiment by a liquid 22 having a high specific weight which only partly fills the cavity 18.
  • Said liquid 22 may be conveniently oil or even a liquid metal such as mercury.
  • Vibration of the ski at the tip area thereof causes shaking and splashing of the liquid 22, within the chamber 18, impacting against the bottom, cover, and sidewalls of the chamber resulting in energy being dissipated, thereby causing the vibration of the tip of the ski to be dampened.
  • the ski tip vibrations are generated by forces which may have vectorially different and varying directions.
  • Shown in Figure 3 is a first variation of the vibration-dampening device.
  • Said cavity 118 now contains a granulated material indicated at 122 which may conveniently be sand, a powdered material having a high specific weight or even at least one metal ball.
  • the granulated material contained in the chamber 118 is set into motion and strikes the walls of the chamber causing energy to be dissipated and resulting in a reduction of the ski vibrations.
  • Figure 4 shows a further embodiment which comprises a cylindrical element 217 also having on its interior a cylindrical chamber 218 fastened to the ski by means of a screw 221 and closed at the top by a screw cap 219 which when threaded in or out adjusts the free volume of the chamber 218 unoccupied by the mass 222, in a motionless condition thereof.
  • the screw threads of the cited screw cap 219 communicate with corresponding screw threads provided on the cylindrical element 217 in a tight engagement relationship effective to prevent undesired unscrewing thereof.
  • means such as a "lock-nut” arrangement may be provided by locating a ring nut on a lower portion of the screw threads of the cylindrical element, which by rotation thereof may be moved towards the screw cap, until a secure abutment engagement is achieved between the ring nut and the screw cap, thereby preventing their rotation and permitting them to be “locked” at any desired location on the threaded part of the cylindrical element.
  • the change of volume of the chamber 218 achieved by threading the screw cap 219 in or out results in a change of the dampening effect due to shaking of the free mass 222.
  • a further method of adjusting the dampening effect consists of securing the device closer to or further away from the tip of the ski.
  • This may be accomplished by either providing a set of holes at the ski tip wherethrough the fastening screws are passed, or a device may be provided with fastening adjustment such as by means of engagement guides, etc..
  • a ski and a counter-tip preferably of an asymmetrical form and hence with a suitable shape and a vibration-dampening device, imparts to the ski particular properties of safety and manageability which are particularly appreciable in competition type skis.

Landscapes

  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
EP85105837A 1984-05-25 1985-05-13 Skispitzenschoner Withdrawn EP0168579A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8441583A IT1180985B (it) 1984-05-25 1984-05-25 Frontale antivibrante per sci
IT4158384 1984-05-25

Publications (1)

Publication Number Publication Date
EP0168579A1 true EP0168579A1 (de) 1986-01-22

Family

ID=11251557

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85105837A Withdrawn EP0168579A1 (de) 1984-05-25 1985-05-13 Skispitzenschoner

Country Status (3)

Country Link
EP (1) EP0168579A1 (de)
JP (1) JPS60256473A (de)
IT (1) IT1180985B (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0298885B1 (de) * 1987-07-09 1990-11-28 Skis Rossignol S.A. Abfahrtsski mit verlängerter Schaufel
FR2652752A1 (fr) * 1989-10-10 1991-04-12 Rossignol Sa Surf a neige.
EP0429087A2 (de) * 1989-11-24 1991-05-29 Tua Ski S.R.L. Ski mit Dämpfungseinrichtung
EP0456980A1 (de) * 1990-05-17 1991-11-21 Salomon S.A. Schi
US5156413A (en) * 1989-07-26 1992-10-20 Juhasz Paul R Ski device
US5213355A (en) * 1989-07-26 1993-05-25 Juhasz Paul R Ski device
FR2691370A1 (fr) * 1992-05-25 1993-11-26 Salomon Sa Ski de compétition destiné à la pratique du slolom et embout destiné à un tel ski.
FR2721222A1 (fr) * 1994-06-20 1995-12-22 Rossignol Sa Ski à embout de spatule rapporté.
FR2737128A1 (fr) * 1995-07-27 1997-01-31 Rossignol Sa Embout de spatule pour planche de glisse, et planche de glisse equipee d'un tel embout
WO2023035062A1 (en) * 2021-09-08 2023-03-16 Socpra Sciences Et Genie S.E.C. A ski having a stabilizing section, a pair of skis and a stabilization device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63184073U (de) * 1987-05-20 1988-11-28

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3066326A (en) * 1957-09-03 1962-12-04 Collins Ruby Lee Ski tip
CH558185A (de) * 1973-02-05 1975-01-31 Schwarz Guenter Schwingungsgedaempfter ski.
AT341390B (de) * 1975-05-26 1978-02-10 Fischer Gmbh Spitzenschutz fur skier
DE2820649A1 (de) * 1978-05-11 1979-11-22 Marker Hannes Schwingungsdaempfer fuer ski
US4180275A (en) * 1978-08-16 1979-12-25 Allan Montoya Ski attachment
US4262927A (en) * 1978-05-05 1981-04-21 Peter Hochstrasser Streamlined tip for a ski
EP0102653A2 (de) * 1982-06-11 1984-03-14 Skis Dynastar Sa Mit einer Schwingungsdämpfungsvorrichtung ausgerüsteter Ski

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3066326A (en) * 1957-09-03 1962-12-04 Collins Ruby Lee Ski tip
CH558185A (de) * 1973-02-05 1975-01-31 Schwarz Guenter Schwingungsgedaempfter ski.
AT341390B (de) * 1975-05-26 1978-02-10 Fischer Gmbh Spitzenschutz fur skier
US4262927A (en) * 1978-05-05 1981-04-21 Peter Hochstrasser Streamlined tip for a ski
DE2820649A1 (de) * 1978-05-11 1979-11-22 Marker Hannes Schwingungsdaempfer fuer ski
US4180275A (en) * 1978-08-16 1979-12-25 Allan Montoya Ski attachment
EP0102653A2 (de) * 1982-06-11 1984-03-14 Skis Dynastar Sa Mit einer Schwingungsdämpfungsvorrichtung ausgerüsteter Ski

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0298885B1 (de) * 1987-07-09 1990-11-28 Skis Rossignol S.A. Abfahrtsski mit verlängerter Schaufel
US5213355A (en) * 1989-07-26 1993-05-25 Juhasz Paul R Ski device
US5816601A (en) * 1989-07-26 1998-10-06 Ski-Shocks Inc. Ski device
US5156413A (en) * 1989-07-26 1992-10-20 Juhasz Paul R Ski device
FR2652752A1 (fr) * 1989-10-10 1991-04-12 Rossignol Sa Surf a neige.
EP0429087A2 (de) * 1989-11-24 1991-05-29 Tua Ski S.R.L. Ski mit Dämpfungseinrichtung
EP0429087A3 (en) * 1989-11-24 1991-09-25 Tua Ski S.R.L. A ski provided with a vibration damping device
US5143394A (en) * 1989-11-24 1992-09-01 Tua Ski S.R.L. Ski provided with a vibration damping device
EP0456980A1 (de) * 1990-05-17 1991-11-21 Salomon S.A. Schi
FR2662092A1 (fr) * 1990-05-17 1991-11-22 Salomon Sa Ski.
FR2691370A1 (fr) * 1992-05-25 1993-11-26 Salomon Sa Ski de compétition destiné à la pratique du slolom et embout destiné à un tel ski.
EP0571763A1 (de) * 1992-05-25 1993-12-01 Salomon S.A. Slalomski mit Schaufelspitze
US5397153A (en) * 1992-05-25 1995-03-14 Salomon S.A. Competition ski designed for slalom and end-piece designed for said ski
FR2721222A1 (fr) * 1994-06-20 1995-12-22 Rossignol Sa Ski à embout de spatule rapporté.
EP0688585A1 (de) * 1994-06-20 1995-12-27 Skis Rossignol S.A. Ski mit Skispitzeneinsatz
FR2737128A1 (fr) * 1995-07-27 1997-01-31 Rossignol Sa Embout de spatule pour planche de glisse, et planche de glisse equipee d'un tel embout
WO2023035062A1 (en) * 2021-09-08 2023-03-16 Socpra Sciences Et Genie S.E.C. A ski having a stabilizing section, a pair of skis and a stabilization device

Also Published As

Publication number Publication date
JPS60256473A (ja) 1985-12-18
IT8441583A1 (it) 1985-11-25
IT8441583A0 (it) 1984-05-25
IT1180985B (it) 1987-09-23

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT DE FR

17P Request for examination filed

Effective date: 19860710

17Q First examination report despatched

Effective date: 19870520

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19871001

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SARTOR, LEO