EP0623370A1 - Trägerplatte zwischen Ski und Bindung - Google Patents

Trägerplatte zwischen Ski und Bindung Download PDF

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Publication number
EP0623370A1
EP0623370A1 EP94103763A EP94103763A EP0623370A1 EP 0623370 A1 EP0623370 A1 EP 0623370A1 EP 94103763 A EP94103763 A EP 94103763A EP 94103763 A EP94103763 A EP 94103763A EP 0623370 A1 EP0623370 A1 EP 0623370A1
Authority
EP
European Patent Office
Prior art keywords
ski
plate
support
stop
wedge
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.)
Ceased
Application number
EP94103763A
Other languages
English (en)
French (fr)
Inventor
Lionel Astier
Benoît Saillet
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.)
Salomon SAS
Original Assignee
Salomon SAS
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 Salomon SAS filed Critical Salomon SAS
Publication of EP0623370A1 publication Critical patent/EP0623370A1/de
Ceased 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
    • A63C9/00—Ski bindings
    • A63C9/003—Non-swivel sole plate fixed on the ski

Definitions

  • the invention relates to an interface device between a ski and front and rear binding elements which are intended to retain a boot bearing on the ski.
  • the invention also relates to a ski equipped with such an interface device, as well as fastening elements associated with this interface device.
  • a shoe is held in abutment on the ski generally by a front binding element and a rear binding element, which each retain an end piece of the shoe sole.
  • the binding elements are assembled directly on the upper surface of the ski.
  • the pressure distribution of the ski on the snow depends on the internal structure of the ski, that is to say on its own flexibility. It also depends on the action that the binding elements exert on the ski. This pressure distribution also depends on the ski phase in which the skier is in an instantaneous manner, in particular the phase for initiating a turn, or the driving phase. In these phases, in fact, the skier acts by his weight or by his impulses on the ski. On the other hand, the curvature of the ski varies.
  • an interface device is known from patent application No. WO 83/03 360.
  • This device comprises a plate on which the fixing elements are mounted. Under the plate is an elastically compressible material. One end of the plate is assembled integrally with the ski, the other end can slide freely, against the elastic restoring force of small blocks of compressible material.
  • Also known from patent application DE-OS 2 259 375 is a device which comprises a leaf spring assembled to the ski at each of its extremities.
  • the fastening elements are assembled on the leaf spring.
  • This spring leaf pre-stresses the beam of the ski in inflection, which concentrates the pressure of the ski on the snow under the skate.
  • This spring blade makes the ski more pivoting.
  • the influence it exerts on the ski varies with the vertical position of the boot above the ski.
  • One of the aims of the present invention is to provide an interface device which ensures good transmission of the ski driving forces between the boot and the ski.
  • Another object of the present invention is to provide an interface device which ensures effective damping of the flexions of the ski in a vertical and longitudinal plane, and a precise transmission of the efforts of piloting the boot on the ski during the initiations of turns and in driving phase.
  • Another object of the present invention is to provide an interface device which exerts on the ski a non-zero action when the ski is flat.
  • Another object of the present invention is to provide an interface device whose action on the ski can be adjusted.
  • the interface device comprises a slender plate, each end of which is connected to the ski, the plate having, towards each of its ends, a mounting zone for receiving the fixing elements in an integral manner, one end of the plate known as the first end being joined to the ski in solidarity,
  • the other end called the second end being movable relative to the ski, and being able to move relative to the ski in a single longitudinal direction during the bending movements of the ski.
  • the plate is rigid in flexion and substantially planar, that it extends above the upper surface of the ski, parallel to it, and that connecting means acting in a longitudinal direction constrain the plate in traction while resting on the ski, and constrain by reaction the ski in compression in the zone of the plate, at the level of its upper surface.
  • FIG. 1 is a side view, in section, of a ski in the area of the skate equipped with fastening elements, and of an interface device according to a first nonlimiting embodiment of the invention.
  • FIG. 2 is a perspective view showing the interface device of FIG. 1.
  • FIGS 3 and 4 illustrate the operation of the interface device of Figure 1.
  • Figure 5 is a partial view of the front part of an interface device, and illustrates an alternative embodiment of the invention.
  • Figure 6 is a view similar to Figure 5, and illustrates another alternative embodiment of the invention.
  • FIGS 7 and 8 illustrate another alternative embodiment of the invention.
  • FIG. 1 represents the central part of a ski 1.
  • a boot 2 is retained in abutment on the ski 1 by a front fixing element 3 and a rear fixing element 4.
  • the front fastening element 3 has a jaw 5 for retaining the front end of the shoe.
  • the jaw 5 is carried by a body 7 which is connected to the ski via a base 8.
  • the base 8 is extended towards the rear by a support plate 9, on which the shoe sole rests, in its front part.
  • the rear binding element 4 has a jaw 10 for retaining the rear end of the boot, which is carried by a body 11.
  • the body 11 is itself connected to the ski by means of a base 12.
  • the base 12 has in its front part a support plate 13, on which the rear end of the sole of the shoe rests.
  • the body 11 is slidably mounted along the base 12, and a spring opposes the rearward movements of the body, which occur during the engagement of the shoe in the fastening elements, and then during ski flexions.
  • a spring opposes the rearward movements of the body, which occur during the engagement of the shoe in the fastening elements, and then during ski flexions.
  • this spring under the action of this spring, the shoe sole is pinched between the jaw 5 of the front fastening element, and the jaw 10 of the rear fastening element. This thrust is also transmitted by reaction to the bases 8 and 12 of the front and rear fixing elements, as well as their respective support.
  • the front and rear fastening elements 3 and 4 are connected to the ski 1 via an interface device 14 which will now be described in more detail.
  • the interface device comprises a long plate 15 which extends in a longitudinal direction between the fastening elements 3 and 4 and the upper surface of the ski. As can be seen in FIGS. 1 and 2, over most of its length, the plate 15 is planar, and it extends parallel to the upper surface of the ski, being raised relative to it. ci of a constant height.
  • the plate 15 is inextensible, and it preferably has a high resistance to bending and twisting. It is made of any suitable material, in particular an aluminum alloy or a composite material. Naturally, its structure can be lightened locally by openings and locally reinforced by ribs or any other suitable means.
  • the plate 15 In its front part, the plate 15 has a front mounting zone 15a, for receiving the base 8 of the front fixing element 3 in an integral manner. In the same way, in its rear part, the plate 15 has a zone mounting 15b, which is intended to receive integrally the base 12 of the rear fixing element 4.
  • the two front and rear fixing elements 3 and 4 are therefore assembled to the plate 15 by means of their base respective. As the two fixing bases are mounted on the plate 15, the thrust of the rear fixing element is absorbed by the plate and is not transmitted to the beam of the ski 1.
  • the plate 15 is connected to the ski in its front part and in its rear part. In its rear part, the plate 15 has a lowered end 16 which touches the upper surface of the ski.
  • the end 16 is assembled in a manner integral with the ski, by any suitable means, and for example by screws shown diagrammatically at 17.
  • the rear part of the plate could have a shoe, or a wedge, which keeps it raised relative to the ski. The connection would then be made by screws which pass through the plate and the wedge or the shoe. This wedge could also be under the base 12 of the rear fixing element.
  • the front end of the plate is movable relative to the ski in the longitudinal direction defined by the ski. Since the plate is raised relative to the upper surface of the ski, a relative movement between the front end of the plate and the upper surface of the ski occurs during ski flexions.
  • connection means In addition, the front end of the plate is connected to the ski, or to an element integral with the ski, by connection means. According to the invention, these means induce in the plate a prestress in tension, and by reaction of a prestress in compression of the central zone of the ski, at the level of its upper surface.
  • these means are produced so as to induce a prestress in the plate, the effect of which is canceled out beyond a determined flexion of the ski.
  • the effect of this prestressing is to accentuate in the central area of the ski the pressure of the ski on the snow in the phase of initiation of turns. The ski is then more pivoting. During the driving phase, the ski flexes. The effect produced by the initial prestressing of the connecting means is canceled out, and the pressure distribution of the ski on the snow is similar to that of a traditional ski.
  • the connecting means act again on the plate 15, but so as to constrain it in pressure.
  • the plate then acts as a stiffener in the central area of the ski.
  • the pressure of the ski on the snow decreases in amplitude in the central area of the ski, and spreads towards each of the ends of the ski.
  • the plate 15 is horizontal above the ski for most of its length.
  • the prestressing and stressing actions that the connecting means exert on the plate and on the ski are generally oriented in a horizontal and longitudinal direction.
  • connection means are located at the level of the extreme front part of the plate 15.
  • a wedge 20 is interposed between the upper surface of the ski and the plate.
  • the shim 20 has a substantially constant thickness, at least over part of its length, and over this part of its length, it offers a bearing surface for the plate 15 in a vertical direction.
  • FIG. 2 represents orifices 21 which pass through the plate 15 right through, and which allow access to the assembly screws of the wedge 20 in skiing.
  • the wedge 20 In its front part, the wedge 20 has a vertical and transverse surface 22, the role of which will be described later.
  • the plate 15 extends beyond the transverse surface 22 and it has at this level a rim 23 oriented towards the upper surface of the ski.
  • the figures show the rim 23 in the form of a fold of the plate.
  • the rim 23 could also be produced by a shim which would be assembled at the front end of the plate.
  • the rim 23 has a sufficient height to cover the surface 22 over at least part of its height.
  • connection means comprise means which act by pushing, that is to say which tend to distance the rim 23 and the wedge 22 from each other.
  • these means are shown in the form of two screws 24 and 25 which are screwed into the threaded orifices of the flange 23 oriented parallel to the longitudinal axis of the ski.
  • the screws In front of the rim 23, the screws have a head by which they can be operated. Behind the rim, they have a support end which is intended to come into simple support against the surface 22 of the wedge 20, so as to establish a unidirectional thrust connection.
  • the screws 24 and 25 are oriented in the longitudinal direction of the ski, and they can be screwed or unscrewed, so that they generally move in a longitudinal direction. In addition, they are offset in height relative to to the upper surface of the ski, so that their bearing area on the surface 22 is offset in height relative to this upper surface of the ski. In the embodiment shown, the screws are located approximately halfway between the plate and the upper surface of the ski. This, however, is not limitative.
  • the longitudinal position of the screws is determined in such a way that when the ski is flat, in particular in the phases of initiation of turns, the screws are supported on the surface 22 and exert a constraint, and when the ski is bent, in particular in the driving phases, the screws leave their bearing on the surface 22, and therefore, the constraint that they exert is canceled.
  • the front end of the plate which carries the screws 24 and 25 advances relative to the wedge 20 which constitutes the support of the screws 24 and 25.
  • the adjustment of the screws is done in these conditions as follows. Starting from a rest position of the ski, and a position of flush with the screws 24 and 25, without constraint, on the surface 22, the screws 24 and 25 are offset towards the rear of the ski by a lesser distance or equal to the amplitude of the relative movement, in a longitudinal direction, between the rim 23 and the wedge 20 which occurs when the ski reaches a flexion similar to that of the driving phases of the turns.
  • any suitable means is suitable for immobilizing the screws if necessary in their desired longitudinal position, and for example a lock nut in the case of a threaded screw.
  • FIG. 3 illustrates the rest position of the ski 1, in which the screws 24 and 25 bear in preload against the wedge 20.
  • the ski is shown with the bending that it takes during the driving phases .
  • the screws 24 and 25 leave their bearing on the surface 22, and the prestressing effect which they produced is canceled.
  • the plate 15 has in its central part oblong orifices 30 which are oriented in a longitudinal direction, and which are distributed over the surface of the plate. These orifices 30 pass right through the plate. They are shouldered, and they cooperate with washers 31, which have an oblong shape of length less than that of the orifices 30, and of substantially equal width. The washers 31 are also shouldered. They are secured to the ski by any suitable means, for example by screws 32. The washers 31 have the function of guiding the plate 15 throughout its surface, allowing its movement in a longitudinal and horizontal direction, but prohibiting any other lateral or vertical movement with respect to the ski.
  • the shim 20 has in its front part, under the plate 15, a recess which is filled with a layer of damping material 33.
  • This layer adheres to the shim 20 and to the lower surface of the plate 15. It has the function of damping the longitudinal movements of the front end of the plate relative to the ski, by deforming in shear.
  • the layer 33 is for example constituted by a damping material which has viscoelastic properties.
  • the recess occupied by the layer 33 is preferably located in front of the base 8 of the front fixing element 3. However, it can extend under the base, along the middle of the width of the plate, leaving direct contact between the lateral edges of the plate and of the cleat 20. Thus there is a direct transmission of the stresses and of the driving orders that the skier gives to the ski along the lateral edges of the cleat in the direction of the edges.
  • a layer of damping material 35 is interposed between the plate 15 and the upper surface of the ski.
  • the layer 35 is located mainly under the rear fixing element 4, in particular under the support plate 13.
  • This layer 35 therefore exerts an effect complementary to that created by the connecting means.
  • the layer 35 allows damping under the heel of vibrations and shocks, in a vertical direction.
  • FIG. 5 represents an alternative embodiment of the invention, according to which the connection means comprise one or more screws 40, which freely pass through an orifice 41 of the flange 23, and which are screwed into a tapped orifice 42 of the wedge 20.
  • the screw 40 Between the rim 23 and the wedge 20, the screw 40 carries a nut or possibly a ring 44, the longitudinal position of which is adjustable. Outside the rim 23, the screw 40 has a head 45, the longitudinal position of which is also adjustable by screwing or unscrewing.
  • the nut 44 and the part of the screw 40 situated towards the shim 20 play a role similar to that of the preceding screws 24 and 25.
  • the nut 44 is moved longitudinally in the direction of the rim 23 d 'a determined distance, to exert on the plate 15 a tensile stress by bearing on the shim 20.
  • this stress is canceled more or less soon during bending of the ski.
  • the head 45 When the ski is at rest, the head 45 is released forward with respect to the rim 23. During the bending of the ski, the rim 23 is driven in longitudinal movements relative to the wedge 20. In the event of significant bending of the ski , the rim 23 comes to bear against the head 45, and is then retained by this head.
  • the connecting means therefore generate in the plate a compressive stress and the plate 15 then acts on the ski as a stiffener in its central area.
  • the longitudinal position of the head 45 relative to the rim 23 can be adjusted, and preferably, when the ski is at rest, this distance is greater than the displacement of the nut 44 which caused the preload, but it is less than the amplitude of the relative movement between the rim 23 and the wedge 20, which occurs during strong, or very strong ski flexions.
  • the flexion of the ski becomes more pronounced, the head 45 then becomes active and the plate 15 behaves like a stiffener, which momentarily improves the guide qualities of the ski.
  • FIG. 6 illustrates an alternative embodiment according to which washers of damping material 48 and 49 are interposed respectively between the head 45 and the rim 23, and between the nut 44 and the rim 23. These washers make the changes more gradual between the different modes of action of the connecting means on the ski.
  • the connecting means which act between the plate 15 and the ski are not limited to the various embodiments which have been described.
  • FIGS. 7 and 8 illustrate an alternative embodiment, according to which the plate 15a has in its front part a transverse orifice 57. This orifice is limited towards the front and towards the rear by two inclined faces 51 and 52.
  • a beveled shim 53 the height of which is adjusted by means of screws 54 is located in the front part of the orifice 52. This beveled shim acts on the inclined face 51, and induces on the plate 15a an effect similar to that of the screws 24 and 25, or that of nut 44.
  • a beveled shim 56 located behind the orifice 52 has a height adjustable by means of screws 50c.
  • the wedge 56 is released relative to the inclined face 50 of the orifice 52, but it is provided to engage this face during strong bending of the ski.
  • This wedge 56 plays the same role as the head 45 of the screws previously described.
  • the inclination of the faces 51 and 50 is provided in such a way that the orifice 52 is flared upwards.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP94103763A 1993-05-06 1994-03-11 Trägerplatte zwischen Ski und Bindung Ceased EP0623370A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9305610 1993-05-06
FR9305610A FR2704766B1 (fr) 1993-05-06 1993-05-06 Dispositif interface entre un ski et des éléments de fixation.

Publications (1)

Publication Number Publication Date
EP0623370A1 true EP0623370A1 (de) 1994-11-09

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ID=9446978

Family Applications (1)

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EP94103763A Ceased EP0623370A1 (de) 1993-05-06 1994-03-11 Trägerplatte zwischen Ski und Bindung

Country Status (4)

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US (1) US5683095A (de)
EP (1) EP0623370A1 (de)
JP (1) JPH07124284A (de)
FR (1) FR2704766B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0880981A1 (de) 1997-05-30 1998-12-02 Salomon S.A. Entkupplungselement zwischen einem Schuh und einem Ski
WO2000006265A1 (en) * 1996-07-30 2000-02-10 Bronson Henry D Ski binding dampening assembly
US6244616B1 (en) 1998-11-13 2001-06-12 Salomon S.A. Interface device between a boot and an alpine ski

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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US8053159B2 (en) 2003-11-18 2011-11-08 Honeywell International Inc. Antireflective coatings for via fill and photolithography applications and methods of preparation thereof
US8642246B2 (en) 2007-02-26 2014-02-04 Honeywell International Inc. Compositions, coatings and films for tri-layer patterning applications and methods of preparation thereof
US8557877B2 (en) 2009-06-10 2013-10-15 Honeywell International Inc. Anti-reflective coatings for optically transparent substrates
US8864898B2 (en) 2011-05-31 2014-10-21 Honeywell International Inc. Coating formulations for optical elements
JP6803842B2 (ja) 2015-04-13 2020-12-23 ハネウェル・インターナショナル・インコーポレーテッドＨｏｎｅｙｗｅｌｌ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ｉｎｃ． オプトエレクトロニクス用途のためのポリシロキサン製剤及びコーティング

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0409749A1 (de) * 1989-07-18 1991-01-23 Skis Rossignol S.A. Zusatzvorrichtung zum Ski zur Montage eines Paares Skibindungen auf dem Ski
FR2654635A1 (en) * 1989-11-22 1991-05-24 Salomon Sa Device for mounting a boot on a ski
EP0492658A1 (de) * 1990-12-27 1992-07-01 Marker Deutschland GmbH Ski mit Steifigkeitsbeeinflussungssystem
WO1993001869A1 (fr) * 1991-07-17 1993-02-04 Salomon S.A. Dispositif visant a modifier la repartition de pression d'un ski sur sa surface de glisse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT302130B (de) * 1970-09-28 1972-10-10 Smolka & Co Wiener Metall Sohlenplatte
CH671887A5 (de) * 1982-03-25 1989-10-13 Brosi Bettosini
DE3663334D1 (en) * 1985-02-15 1989-06-22 Walter Kuchler Sliding device, particularly an alpine ski
ES2051495T3 (es) * 1990-01-11 1994-06-16 Bigler Hans Peter Portafijaciones de esqui.
WO1992022361A1 (en) * 1991-06-17 1992-12-23 Trimble & Co., Inc. Ski binding block

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0409749A1 (de) * 1989-07-18 1991-01-23 Skis Rossignol S.A. Zusatzvorrichtung zum Ski zur Montage eines Paares Skibindungen auf dem Ski
FR2654635A1 (en) * 1989-11-22 1991-05-24 Salomon Sa Device for mounting a boot on a ski
EP0492658A1 (de) * 1990-12-27 1992-07-01 Marker Deutschland GmbH Ski mit Steifigkeitsbeeinflussungssystem
WO1993001869A1 (fr) * 1991-07-17 1993-02-04 Salomon S.A. Dispositif visant a modifier la repartition de pression d'un ski sur sa surface de glisse

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000006265A1 (en) * 1996-07-30 2000-02-10 Bronson Henry D Ski binding dampening assembly
EP0880981A1 (de) 1997-05-30 1998-12-02 Salomon S.A. Entkupplungselement zwischen einem Schuh und einem Ski
US6193262B1 (en) 1997-05-30 2001-02-27 Salomon S.A. Interface device between a boot and alpine ski
US6244616B1 (en) 1998-11-13 2001-06-12 Salomon S.A. Interface device between a boot and an alpine ski

Also Published As

Publication number Publication date
JPH07124284A (ja) 1995-05-16
US5683095A (en) 1997-11-04
FR2704766B1 (fr) 1995-07-28
FR2704766A1 (fr) 1994-11-10

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