EP0677308B1 - Schuhbindungselement für ein Gleitbrett - Google Patents

Schuhbindungselement für ein Gleitbrett Download PDF

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Publication number
EP0677308B1
EP0677308B1 EP95102469A EP95102469A EP0677308B1 EP 0677308 B1 EP0677308 B1 EP 0677308B1 EP 95102469 A EP95102469 A EP 95102469A EP 95102469 A EP95102469 A EP 95102469A EP 0677308 B1 EP0677308 B1 EP 0677308B1
Authority
EP
European Patent Office
Prior art keywords
flanges
element according
base
slide
jaw
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.)
Expired - Lifetime
Application number
EP95102469A
Other languages
English (en)
French (fr)
Other versions
EP0677308A1 (de
Inventor
Philippe Schary
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 EP0677308A1 publication Critical patent/EP0677308A1/de
Application granted granted Critical
Publication of EP0677308B1 publication Critical patent/EP0677308B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A63C9/00—Ski bindings
    • A63C9/001—Anti-friction devices
    • 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
    • A63C9/005—Ski bindings with means for adjusting the position of a shoe holder or of the complete binding relative to the ski
    • 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
    • A63C9/084—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
    • A63C9/0841—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable with a single jaw
    • A63C9/0842—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable with a single jaw the jaw pivoting on the body or base about a transverse axis
    • 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
    • A63C9/084—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
    • A63C9/0848—Structure or making
    • 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
    • A63C9/0805—Adjustment of the toe or heel holders; Indicators therefor
    • 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
    • A63C9/084—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
    • A63C9/0847—Details of the manual release

Definitions

  • the invention relates to a fastening element for keeping a shoe in abutment on a gliding board, in particular on an alpine ski.
  • the invention relates to a fastening element having a body which is slidably mounted along a slide secured to the ski.
  • these fixing elements comprise a fixing body mounted to slide along a longitudinal slide, by means of sliding shoes engaged on the longitudinal edges of the slide which prevent any relative vertical movement between the body and the slide. They also include a shoe retaining jaw which is articulated on the binding body so as to be able to switch between a shoe retaining position and a release position.
  • a locking member guided in the body and pushed back by a spring resiliently recalls the retaining jaw towards one or the other of these two positions which are stable positions.
  • a voluntary release lever articulated around a transverse axis carried by the body or the locking member makes it possible to voluntarily move the jaw from its retaining position to its release position.
  • the stiffness of the spring and its pretension define the hardness of the fastening element, that is to say the intensity of the force which must be applied to the jaw to cause it to pass towards the release position. This intensity is also called the trigger value of the fixing element.
  • Fastening elements with high hardness generally have a body made of metal, for example an aluminum alloy. Such a body resists well the constraints to which it is subjected. However, its cost is high and its manufacture requires relatively complex assembly operations.
  • molded plastic bodies are used. Such bodies have a lower cost price and their manufacture is simple.
  • One of the objects of the invention is to provide a fastening element whose body is made essentially of plastic, but has a higher resistance to the stresses to which it is subjected than the bodies currently known.
  • Another object is to provide a fastening element whose body is more resistant, therefore less sensitive to elastic deformations.
  • Another object of the invention is to provide a fastening element whose body is simple to produce and has a relatively low cost.
  • the body has a base made of a relatively weak material, and that it laterally presents two reinforcement flanges made of resistant material, for example metal, steel, aluminum alloy or composite material, which extend at least from the axis of articulation of the jaw to the level of the sliding shoes.
  • the reinforcement flanges channel the stresses generated by the axis of articulation of the jaw and, where appropriate, the axis of articulation of the release lever towards the slide, where these forces are taken up. Therefore, the part of the body made of plastic material is only subjected to low stresses, and overall, the body can withstand higher stresses than traditional bodies made entirely of plastic material. They can even withstand stresses of the same order as bodies made of metal.
  • Figure 1 illustrates the prior art, and shows a side view and partial section of a rear fixing element.
  • FIG. 2 shows a side view of the body of a fastening element according to a first non-limiting embodiment of the invention.
  • Figure 3 shows the body of Figure 2 in section through a vertical and transverse plane.
  • FIG. 4 is an exploded perspective view of the body of FIGS. 2 and 3.
  • Figures 5 and 6 are figures similar to Figure 3 and show alternative embodiments of the invention.
  • Figure 1 illustrates the prior art. It represents a rear fastening element 1 comprising a body 2 slidably mounted along a base plate 3 which is intended to be assembled to the ski, by any suitable means, for example by screwing.
  • the base plate 3 externally comprises a covering part 4, made for example of plastic. Inside the covering part there is a slide 5, which, in the example shown has the shape of a "C" lying open up.
  • the body 2 is connected to the slide 5 by pads 6 which are engaged in the lateral folds of the slide.
  • This assembly allows a translational movement of the body along the direction defined by the slide, but hinders any relative movement in a perpendicular direction, in particular vertical.
  • the body 2 carries a jaw 7 which is articulated around a transverse axis 8.
  • the jaw allows the retention of the shoe.
  • the jaw On its rear face, the jaw carries a succession of two ramps 9 and 10.
  • a piston guided in translation in the body, is pushed against one or the other of the ramps 9 and 10 by a spring 12, the initial stress is adjustable by means of a threaded plug 13 which is screwed into the body.
  • the spring resists elastically the movement of the jaw.
  • the two ramps 9 and 10 of the jaw define its two stable positions, that is to say the low position for retaining the shoe, and the high position for releasing the shoe. It is the spring 12, by means of the piston 11 which recalls the jaw in one or the other of these positions.
  • the two ramps are separated by an edge 14.
  • the edge 14 forms the boundary between the two positions towards which the jaw is returned elastically.
  • the spring 12 is in a state of maximum compression.
  • the stiffness of the spring and the prestress applied to it by the plug 13 determine the return force of the spring, and therefore the hardness of the fastening element, to which corresponds a trigger value, i.e. a value of the force to be applied to the jaw to drive it from its holding position to its release position.
  • a release lever 15 makes it possible to open the jaw voluntarily.
  • the lever has a large operating arm 16 which extends from bottom to top and from front to back above the body.
  • the lever is articulated in rotation about an axis 18 carried by the piston 11.
  • it In its lower part, it has two small parallel arms 17, slightly curved, which form a sort of fork and which take support under two lateral cheeks 19 at the rear face of the jaw.
  • Raising makes the jaw describe the same circuit as during an accidental opening.
  • this construction is not limiting, and there are many other constructions, in particular constructions which would employ an articulated rocker in place of the spring, or constructions where the jaw and the lever are carried by the body around 'a common axis.
  • This construction highlights the fact that the body 2 is subjected to various stresses originating in particular from the hinge axis 8 of the jaw, from the hinge axis 18 of the lever, of the piston, and of the spring.
  • the body is made of plastic, by molding, for small or medium trigger values.
  • the body of the fixing element is made of metal, for example an aluminum alloy.
  • Figures 2 and 3 illustrate a first embodiment of the invention. They represent a body 20 whose shape and dimensions are for example the same as those of the previous body 2 or of an existing body.
  • the body 20 has a base 21 made of plastic, for example by molding.
  • the base 21 has a longitudinal recess provided for receiving the locking member, for example a piston or a rocker, and the return spring of this member.
  • a reinforcement 22 in the form of an inverted "U" also overlaps the base 21 of the body.
  • the reinforcement is made of resistant material, for example metal, steel, aluminum alloy or composite material.
  • the reinforcement is produced from a cut sheet then shaped by folding.
  • the reinforcement is attached to the base 21.
  • the reinforcement could be placed at the bottom of the mold, and the base body could then be injected into the mold.
  • the reinforcement laterally has two flanges 23 and 24 joined in their upper part by a bridging 26.
  • the flanges and the bridging internally match the outer contour of the body.
  • the wall of the base has a decrease in thickness in the area of the reinforcement, which corresponds to the thickness of the reinforcement, so that overall, the outer surfaces of the reinforcement and from the base of the body are in continuous extension of each other.
  • the flanges extend at least from the region of the axis of articulation of the jaw, downwards, to the connecting pads with the slide. Preferably, the flanges also cover the area of the axis of articulation of the release lever, if the latter is distinct from the axis of the jaw.
  • the flanges have openings 27, 28, for the passage of the axis of the jaw, and 29, 30, for the passage of the axis of the heaving lever. These openings are opposite the corresponding openings in the base. Their dimensions are preferably equal to or very slightly greater than the dimensions of the corresponding openings in the body. In this way, a stress exerted by an axis is first transmitted to the base of the body, that is to say the plastic part, which deforms until the flanges take over and provide the reaction to these constraints. This gives a gradual transfer of forces.
  • the reinforcement extends only in the front part of the body.
  • the flanges 23 and 24 have in their lower part a rim, respectively 31, 32, oriented towards the outside parallel to a horizontal plane. As can be seen in FIG. 3, the flanges 31 and 32 are engaged in the lateral folds 35 and 36 of the slide 37.
  • the flanges 23 and 24 of the reinforcement 22 relieve the front part of the body of at least part of the stresses exerted by the axis of articulation of the jaw in the area of the openings 27 and 28, if necessary the stresses exerted by the axis of articulation of the lever in the area of the openings 29 and 30. They channel these constraints towards the slide where they are taken up by the folds 35, 36, then transmitted to the ski.
  • the flanges 31 and 32 also provide longitudinal guidance of the body along its slide.
  • the rear part of the body is mainly subject to the reaction of the spring. However, taking into account the general shape of this part of the body, the general direction and the intensity of these stresses, these can be supported by the base 21 of the body, without requiring any particular reinforcement.
  • the flanges 31 and 32 of the flanges are provided with sliding linings, in order to facilitate the translation of the body along the slide.
  • These linings are for example constituted by a coating of anti-friction material such as polytetraflurethylene.
  • these linings are constituted by a segment 33, 34, which continuously extends the pads which run along the base 21 of the body. Only the shoe 36 is visible in FIG. 4.
  • the segments 33 and 34 preferably have an inverted "L" shape in section, so as to cover the edges 31 and 32 on their upper face and their outer vertical face.
  • a slot 37, 38 open on the front of the body.
  • the slot has dimensions corresponding to those of the flanges 23 and 24, in order to allow engagement from the front of the reinforcement on the base of the body and its maintenance.
  • the flanges are engaged in the slots 37 and 38, and their rim 31, 32, are housed in the recess defined by the segments 33 and 34.
  • its flanges could be slightly closed at rest, so that once in position on the base of the body they produce a pinch.
  • the upper bridging 26 of the reinforcement is reinforced by a rib 40 obtained by local deformation.
  • This rib extends in a main transverse direction. Over its length and in section, it also has any suitable shape.
  • the flanges preferably have under the openings 27 and 28 an over-thickness pad, respectively 41, 42. These pads locate the friction zone between the jaw and the body, or between the lever and the body, and keep the cheeks of the jaw or lever away from the body.
  • the pellets are made on the side walls of the base and pass through orifices made in the flanges.
  • the flanges have an orifice in which inserted inserts are placed.
  • the pellets can be made of metal or plastic.
  • FIG. 5 illustrates an alternative embodiment.
  • the reinforcement has two independent flanges 43 and 44.
  • the flanges extend from the area of the axis of articulation of the jaw, shown diagrammatically at 47, as far as the pads 49 and 50 of connection with the slide.
  • the flanges have approximately an "S" shape. Their upper part is fitted onto the external part of the base 48 of the body. Their lower part is fitted into the lower part of the base 48 of the body. Their middle part crosses an opening of the side walls of the body, respectively 45, 46.
  • the lower flanges 51, 52, the flanges are coated with an anti-friction lining which advantageously comes from the plastic wall at the base from the body. It would also be possible to overmold the edges 51 and 52.
  • This mounting method is advantageous because it ensures correct retention of the flanges along the body.
  • two independent flanges could be used which are entirely fitted on the outer wall of the base of the body, that is to say flanges without bridging mounted in the manner of flanges 23 and 24. In this case, it would be the jaw and the lever which would ensure the maintenance of the flanges along the base of the body.
  • the base of the body could be overmolded on the flanges, that is to say that the flanges could be partially or totally embedded in the side walls of the base 48 during its molding operation.
  • Figure 6 shows another variant.
  • the slide in “C” lying and open upwards is replaced by a slide with lateral wings 55 and 56, and it is the lower part of the body 57 which is shaped as “C” lying and open towards the low to be engaged on the slide, allowing a translation of the body along the direction defined by the slide, and preventing any other movement.
  • the body 57 has a base 58 and a reinforcement 59 which conform to the external contour of the base.
  • the base In its lower part, the base has two pads which are engaged under the wings 55 and 56 of the slide. The skids are not visible in Figure 6.
  • the lateral flanges 61 and 62 of the reinforcement 59 have meanwhile in their lower part two horizontal flanges 63 and 64 which are engaged under the wings 55 and 56 of the slide.
  • the edges are coated with sliding linings.
  • These linings are segments 65 and 66 which extend the pads of the base and which cover the edges 63 and 64 on a horizontal face and a vertical face.
  • the elastic deformations of the body are less significant than if the body were made entirely of plastic. Therefore, the friction which opposes the relative movement of the locking member, that is to say for example the piston or a rocker, is reduced, and the dispersion of the trigger values is lower.
  • the nature of the materials used for the body and the reinforcement is not limiting.
  • the reinforcement could be made of a composite material, in particular a resin loaded with fibers.
  • the invention is also not limited to a rear fixing element. It applies to any fixing element whose body carries a retaining jaw.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Reinforced Plastic Materials (AREA)
  • Connection Of Plates (AREA)

Claims (10)

  1. Bindungselement, um einen Schuh auf einem Ski zu halten, das aufweist:
    - ein Bindungsgehäuse (2), das gleitend längs einer longitudinalen Gleitschiene (5) mittels Gleitkufen (6) montiert ist, die auf den longitudinalen Rändern der Gleitschiene in Eingriff sind und jede vertikale relative Bewegung zwischen dem Gehäuse und der Gleitschiene unterbinden,
    - einen Sohlenhalter (7) zum Halten des Schuhes, der auf dem Bindungsgehäuse angelenkt ist, so daß er zwischen einer Halteposition des Schuhes und einer Freigabeposition schwenken kann,
    dadurch gekennzeichnet, daß
    das Gehäuse eine Basis (21, 48, 58) aufweist, die aus einem relativ wenig widerstandsfähigen Material hergestellt ist, und daß es seitlich zwei Verstärkungsflansche (23, 24, 43, 44, 61, 62) aus einem widerstandsfähigen Material, beispielsweise aus Metall, Stahl, einer Aluminiumlegierung oder aus einem zusammengesetzten Material, aufweist, die sich zumindest ausgehend von der Anlenkachse des Sohlenhalters bis zur Ebene der Gleitkufen erstrecken.
  2. Element gemäß Anspruch 1, dadurch gekennzeichnet, daß die Verstärkungsflansche (23, 24, 43, 44, 61, 62) in ihrem unteren Teil horizontale Umschläge (31, 32, 51, 52, 63, 64) aufweisen, die längs der seitlichen Ränder der Gleitschiene im Eingriff sind.
  3. Element gemäß Anspruch 1, dadurch gekennzeichnet, daß die horizontalen Umschläge (31, 32, 51, 52, 63, 64) der Flansche mit einem Gleitüberzug (33, 34, 49, 50, 65, 66) überzogen sind.
  4. Element gemäß Anspruch 3, dadurch gekennzeichnet, daß jeder Gleitüberzug ein Segment ist, das auf kontinuierliche Weise die Kufe der Basis (21, 48, 58) verlängert.
  5. Element gemäß Anspruch 4, dadurch gekennzeichnet, daß die Kufensegmente leicht bezüglich des Restes der Kufe deformiert sind, um eine Spielbeseitigung zu realisieren.
  6. Element gemäß Anspruch 1, dadurch gekennzeichnet, daß die beiden Flansche (43, 44) unabhängig sind und daß sie um Eingriff in Formzusammenwirkung in den seitlichen Flanken der Basis (48) des Gehäuses sind.
  7. Element gemäß Anspruch 1, dadurch gekennzeichnet, daß der obere Teil der beiden Flansche (23, 24) auf kontinuierliche Weise durch eine Brücke (26) vereinigt ist.
  8. Element gemäß Anspruch 6, dadurch gekennzeichnet, daß die Brücke (26) lokal durch eine Rippe (40) verstärkt ist.
  9. Element gemäß Anspruch 7, dadurch gekennzeichnet, daß die Verstärkungsflansche (23, 24) vor ihrem Eingriff auf der Basis des Gehäuses leicht verschlossen sind.
  10. Element gemäß irgendeinem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Basis (21) des Gehäuses eine Verringerung der Dicke in dem Bereich der Verstärkung (22) aufweist.
EP95102469A 1994-03-17 1995-02-22 Schuhbindungselement für ein Gleitbrett Expired - Lifetime EP0677308B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9403364A FR2717400B1 (fr) 1994-03-17 1994-03-17 Elément de fixation pour retenir une chaussure en appui sur une planche de glisse.
FR9403364 1994-03-17

Publications (2)

Publication Number Publication Date
EP0677308A1 EP0677308A1 (de) 1995-10-18
EP0677308B1 true EP0677308B1 (de) 1997-08-27

Family

ID=9461312

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95102469A Expired - Lifetime EP0677308B1 (de) 1994-03-17 1995-02-22 Schuhbindungselement für ein Gleitbrett

Country Status (4)

Country Link
EP (1) EP0677308B1 (de)
AT (1) ATE157272T1 (de)
DE (1) DE69500595T2 (de)
FR (1) FR2717400B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2742061B1 (fr) 1995-12-08 1998-02-06 Look Fixations Sa Dispositif de retenue d'une chaussure a une planche de glisse telle qu'un ski ou similaire
DE102012220397B4 (de) 2012-11-08 2019-02-21 Marker Deutschland Gmbh Fersenhalter für Zuganker mit Auslösefeder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1354041A (fr) * 1962-04-30 1964-02-28 étrier avant de sûreté pour fixations de ski
FR1520617A (fr) * 1967-02-23 1968-04-12 R Emery & Cie Ets Butée arrière pour fixation de sécurité équipant les skis
FR2021055A1 (de) * 1968-10-19 1970-07-17 Unger Paul
AT381038B (de) * 1984-12-19 1986-08-11 Tyrolia Freizeitgeraete Fersenhalter
DE3742483C2 (de) * 1987-12-15 1994-07-07 Geze Sport Vorderbacken einer Sicherheitsskibindung
AT396064B (de) * 1989-07-13 1993-05-25 Tyrolia Freizeitgeraete Fersenhalter

Also Published As

Publication number Publication date
ATE157272T1 (de) 1997-09-15
FR2717400A1 (fr) 1995-09-22
EP0677308A1 (de) 1995-10-18
DE69500595T2 (de) 1998-03-12
DE69500595D1 (de) 1997-10-02
FR2717400B1 (fr) 1996-05-31

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