EP0222922A1 - Fixation de ski - Google Patents

Fixation de ski Download PDF

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Publication number
EP0222922A1
EP0222922A1 EP86902960A EP86902960A EP0222922A1 EP 0222922 A1 EP0222922 A1 EP 0222922A1 EP 86902960 A EP86902960 A EP 86902960A EP 86902960 A EP86902960 A EP 86902960A EP 0222922 A1 EP0222922 A1 EP 0222922A1
Authority
EP
European Patent Office
Prior art keywords
ski
shoe
ski binding
sole
insert
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.)
Granted
Application number
EP86902960A
Other languages
German (de)
English (en)
Other versions
EP0222922A4 (fr
EP0222922B1 (fr
Inventor
Vladimir Stepanovich Makarenko
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.)
Leningradsky Politekhnichesky Institut
Original Assignee
Leningradsky Politekhnichesky Institut
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 Leningradsky Politekhnichesky Institut filed Critical Leningradsky Politekhnichesky Institut
Priority to AT86902960T priority Critical patent/ATE74785T1/de
Publication of EP0222922A1 publication Critical patent/EP0222922A1/fr
Publication of EP0222922A4 publication Critical patent/EP0222922A4/fr
Application granted granted Critical
Publication of EP0222922B1 publication Critical patent/EP0222922B1/fr
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
    • A63C9/20—Non-self-releasing bindings with special sole edge holders instead of toe-straps

Definitions

  • the invention relates to the sports inventory, more precisely to a ski binding for the running skis.
  • the transition from the extensive use of the "Racing Norm 38" shoe model to the "Racing Norm 50" shoe model is currently taking place.
  • the first type of shoe should be preferred because the narrower tip of the sole of the shoe ensures that the skier is more effectively pushed off.
  • a significantly lower force is used thanks to the narrower sole tip area to overcome the sole resistance to bending in the direction of the ski tip.
  • the use of skates by skiers leads to a sudden increase in the requirements for sole resistance to twisting.
  • the well-known "Ratafella” type ski binding ensures greater rigidity, i.e. better ski steerability.
  • this type of binding also does not meet the totality of the requirements, for example with regard to the skate step, since this results in the sole twisting.
  • the cross-sectional area of a ski shoe sole made of plastic increases in the direction from the tip of the sole to the Persehin.
  • the largest cross-sectional area of the shoe sole is in the area of the skier's foot.
  • a ski binding the holding pins, each of which consists of two, and a lock that limits the shifting of the shoes in the vertical plane
  • the holding pins each of which consists of two
  • a lock that limits the shifting of the shoes in the vertical plane
  • One of the parts of each retaining pin mentioned is intended for direct insertion into the ski body (shoe body), but the other is intended for insertion into a counterbore in the shoe (ski). If the lower pin part is arranged in the ski body, the shoe must be adjusted in order to fix it in such a way that the upper parts of the pins would enter the holes in the tip of the sole of the shoe.
  • Various types of locking devices are used to limit the shifting of the shoes in the vertical plane.
  • ski binding The advantages of ski binding include relatively high manufacturing suitability and simple construction, the possibility of quick assembly and disassembly of the ski binding and the application Possibility of different types of stops.
  • the disadvantages include relatively low operating properties of the ski binding when fixing and releasing the boot because the use of the hands by the skier is inevitable.
  • IPK A63C which contains holding pins which are attached to the ski and are intended for insertion into associated bores in the shoe sole tip area, and a retainer which is designed in the form of a leaf spring which has the shape of a bracket for embracing the shoe sole tip area from above, one of which its ends are connected to the ski.
  • the advantages of ski binding include the fact that it is relatively easy to manufacture, low cost, small dimensions, light weight, and the possibility of automatically fixing the boot to the ski (without the hands being used by the skier). However, this ski binding can only be used with a ski boot that has a protruding sole tip section or an edge.
  • the invention has for its object to provide such a ski binding, the construction of which would allow the forces acting on the holding pin and the sole of the shoe to be distributed more evenly.
  • the outer surface of at least one stop in the ski binding which contains holding pins and counterbores, which are attached to the ski or to the boot tiftes forms a friction pairing together with the surface of an associated counterbore.
  • the ski binding according to the invention ensures a more reliable function of the same, because the friction pairing ensures that the boot is fixed to the holding pins by the surfaces of the counterbores fitting more tightly thereon.
  • the fixation of the boot to the ski by means of a friction pair excludes a shift of the holding pin relative to the respective counterbore when the skier pushes off, which in turn greatly reduces wear on the ski binding.
  • the wear now takes place due to the displacement of these surfaces only when the shoe is fixed to the holding pin and the same is removed.
  • the likelihood of a game being created and consequently any impact loads is considerably reduced. All of this calls for an increase in ski binding reliability.
  • the ski binding according to the invention can be used with the ski boots which have a projecting sole tip part or an edge, or also with the shoes without the same.
  • a pair of retaining pins on the ski or on the shoe are assigned several pairs of counterbores which lie along the longitudinal axis of the ski or shoe. This results in the possibility of using one and the same pair of shoes both for the skating step and for the normal conventional running step.
  • the skating step places higher demands on the sole twisting.
  • the shoe fixing zone is expediently moved into the zone of the skier's toes, that is to say that the shoe fixing zone and the push-off zone of the skier are combined.
  • the sole width is larger in this zone than in the tip of the shoe sole. On the one hand, this has a positive effect when using the skate step because the sole twist is reduced.
  • the ski binding construction proposed according to the invention which allows the shoe fixing zone to be changed surgically, depending on the external conditions, in order to even out the forces acting on the ski binding and boot.
  • the expediency of laying the shoe fixing zone is not only due to the step used by the skier, but also due to the weather conditions. With black ice, varnish snow, wet snow, the sole twist increases. Under such conditions, it is also expedient to move the shoe fixing zone further away from the tip of the sole in order to move the shoe closer to the tip of the ski and thereby achieve better ski steering.
  • a similar situation arises, for example, under conditions of a heavily intersected terrain or with a poorly prepared cross-country ski run.
  • Each friction pairing is expediently formed by at least one outer surface section of a retaining pin and a surface section of a respective counterbore that contacts it. If these sections are designed with different dimensions in terms of their length and shape, the amount of the frictional forces which determine the reliability of the shoe fixation changes accordingly. For example, these forces increase with the length of these sections other equal conditions too.
  • a similar situation arises when the shape of their training changes, for example from cylindrical to conical shape. The situation is similar with increasing diameter sizes of pin sections with one and the same diameter of corresponding bore sections.
  • the friction pairing is a morse taper, which ensures a very reliable fixation of the boot to the ski.
  • an insert made of an elastic material is accommodated at least in one counterbore, the friction pairing being formed by the outer surface of a respective holding pin and the surface of the insert contacting it. It is possible to fix the insert not in the hole, but on a holding pin made of metal, for example.
  • the fact that an insert made of elastic material is introduced into the contact zone of the holding pin surface and the surface of the associated counterbore makes it possible to distribute the loads more evenly over the holding pin because the elastic material from which the insert is made has the aim , from the zone in which a higher pressure prevails to the zone in which a lower pressure is present, as a result of which the pressure compensates for one unit area of the pen surface in the end result.
  • the inserts detachable it is possible to change the frictional forces that arise between the insert and the respective section of the pin or bore surface. Depending on the weather conditions and other external conditions, the skier can use different inserts.
  • Corrugations are expediently carried out on the outer surface of the pin.
  • the corrugations on the pin enable the adhesive force to be created between the contacting surface sections of the pin and the counterbore or from the pen and insert is to be additionally increased.
  • ring grooves are incorporated on the outer surface of the holding pin to ensure a more reliable fixing of the boot to the ski.
  • the insert can be equipped with a means for regulating the pressure of the same on the holding pin.
  • a means for regulating the pressure of the same on the holding pin This makes it possible to adjust the shoe on the holding pins with the least pressing force of the insert on the holding pin, i.e. to ensure with the least possible effort.
  • the pressure of the insert piece against the holding pin is expediently increased, as a result of which greater reliability of the shoe fixing against displacement in the vertical plane, i.e. less chance of accidental self-loosening is guaranteed.
  • the ski binding contains holding pins 1 (FIGS. 1-7), which are attached to a ski 2, and counterbores 3, which are made in the sole 4 of a boot 5. At least one outer surface section of each retaining pin 1 and a surface section of an associated counterbore 3 that contacts it form a friction pairing.
  • the friction pairing can be formed by a morse taper or by a self-holding taper.
  • a pair of retaining pins 1 can be assigned several pairs of counter bores 3 which lie along the longitudinal axis of the ski 2 and the boot 5.
  • the ski binding works as follows. The skier achieves such a position of the sole 4 of the shoe 5 in which the axes of the holding pins 1 and the counterbores 3 match. Then, by applying a force, he moves the sole 4 of the shoe 5 along the holding pins 1 to the bottom surface of the ski 2 until the lower surface thereof stops. Then, by applying a force again, he trains the holding pins 1 to fit tightly in the holes 3 for fixing the shoe 5.
  • the ski binding can additionally be equipped with an insert 6 (FIG. 2), which is accommodated in each bore 3 and consists of an elastic material, for example rubber.
  • the friction pairing is formed by the outer surface of the respective holding pin 1 and the surface of the insert 6 contacting it.
  • the ski binding shown in Figure 2 works in the following way.
  • the Skier press his foot on the sole 4 of the shoe 5 vertically downwards along the axis of the holding pin 1.
  • the pin 1 goes into the bore 3, spreading the insert 6 apart (pressing it against the wall of the bore 3).
  • the retaining pin 1 is held in the sole 4 of the shoe 5 by the frictional force, the amount of which increases at the moment of pushing off (the sole bend), which is just necessary to ensure reliable fixing of the shoe 5.
  • the boot 5 is fixed thanks to elastic contact forces on the surfaces of the insert 6 and the holding pin 1.
  • a reinforcement bushing 7 (FIGS. 1-7) can be arranged in each bore 3, said bushing being made of metal, for example.
  • the attachment can additionally be equipped with a suitable means.
  • a threaded connection which contains a hollow screw 8 (Fig.3), which is located in a threaded portion 9 of the reinforcement bushing 7, which is in the projecting tip portion of the Sole 4 of the shoe 5 is arranged.
  • the insert 6 is received in the cavity of the screw 8.
  • the ski binding shown in Figure 3 works as follows.
  • the insert 6 is expediently relieved, as a result of which the most favorable conditions for inserting the holding pin 1 into the Hole 3 of the sole 4 are created. Then one increases, by screwing the screw 8 into the socket 7, the load acting on the insert 6. As the load increases, the adhesion of the elastic material of the insert 6 and thus of the sole 4 of the shoe 5 to the holding pin 1 and accordingly also to the ski 2 increases. This results in the possibility of improving the functional conditions of the holding pin 1 and of increasing the reliability and service life of the same. If the insert 6 is worn, it can be replaced surgically.
  • Fig. 4,5 an embodiment of the ski binding according to the invention is shown, which can be used expediently with the shoes 5 which have no protruding point area on the sole 4 of the shoe 5 or no edge.
  • the reinforcement bushing 7 is mounted in the sole 4 in the zone of the toes of a skier, and the threaded section 9 for inserting the screw 8 is located in the lower part of the bushing 7.
  • the screw 8 For turning the screw 8 there is a screwdriver slot in it 10 executed.
  • the required degree of compression of the insert 6 is set by turning the screw 8, after which the retaining pin 1 is inserted into the bore 3 in the sole 4 of the boot 5.
  • the force that secures the shoe 5 on the ski 2 against displacement in the vertical plane is determined by the pressure acting on the insert 6.
  • corrugations or ring grooves 11 can be carried out on the outer surface of the holding pin.
  • FIG. 6 shows an embodiment of the ski binding, in which a pair of retaining pins 1 are attached to the ski 2, while a pair of reinforcement bushings 7, which are made in one piece with a plate 12, are arranged in the sole 4 of the boot 5. Between the bushings 7 there is a hole in the sole 4 for insertion an adjusting screw 13 in the same and screwing this screw into a threaded bore 14 provided in the plate 12.
  • the plate 12 is located in a cavity 15 of the sole 4 and can be bent in this cavity 15 when the screw 13 is turned.
  • the angle between the axes of the bores 3 in the reinforcement bushings 7 changes.
  • the ski binding shown in Fig. 6 works as follows.
  • the required angle between the axes of the bores 3 is set by turning the screw 13, which ensures a predetermined frictional force between the contacting surfaces of the holding pins 1 and the bores 3.
  • FIG. 7 shows a further embodiment of the ski binding according to the invention.
  • One or more pairs of retaining pins 1 are attached to the ski 2.
  • One or more pairs of reinforcement bushings 7 are arranged in the sole 4 of the shoe 5. Between the bushings 7 there is a cylinder 16, in the interior of which an elastic insert 17 is accommodated.
  • Each socket 7 is equipped with a rod 18, the free end of which is inserted into the cylinder 16 and is supported by a flange 19 against the insert 17.
  • the ski 2 To release the shoe 5 from the ski 2 (FIGS. 1-7), the ski 2 must be fixed and a force applied to the shoe 5, which is directed upwards along the longitudinal axis of the holding pins 1.
  • the retaining pins 1 and the counterbores 3 can each be attached both to the ski 2 and to the sole 4 and vice versa. As the practical operation of the ski binding according to the invention has shown, these connections work very reliably.
  • the adhesive force between the outer surface of a holding pin 1 and the surface of a bushing 7 arranged in a bore 3 is determined by the cone ratio and the type of material of the upper part of the holding pin 1 and the bushing 7 and by the structure of the contact surfaces (machining quality, specially provided knurling, Roughening, etc.).
  • the invention can be most advantageously used for the sports skis when the skier uses both the classic and the skate step.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Tents Or Canopies (AREA)
  • Die Bonding (AREA)
  • Magnetic Heads (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Laminated Bodies (AREA)
  • Photovoltaic Devices (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Regulating Braking Force (AREA)

Abstract

Une fixation de ski comprend des chevilles de verrouillage (1) fixées sur le ski (2) et destinées à être introduites dans les ouvertures correspondantes (3) dans la pointe de la semelle (4) de la chaussure (5). La surface externe d'au moins une cheville de verrouillage (1) constitue une paire de friction avec la surface de l'ouverture correspondante (3).
EP86902960A 1985-04-26 1986-04-18 Fixation de ski Expired - Lifetime EP0222922B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86902960T ATE74785T1 (de) 1985-04-26 1986-04-18 Skibindung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SU3879999 1985-04-26
SU3879999 1985-04-26

Publications (3)

Publication Number Publication Date
EP0222922A1 true EP0222922A1 (fr) 1987-05-27
EP0222922A4 EP0222922A4 (fr) 1988-06-08
EP0222922B1 EP0222922B1 (fr) 1992-04-15

Family

ID=21171595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86902960A Expired - Lifetime EP0222922B1 (fr) 1985-04-26 1986-04-18 Fixation de ski

Country Status (13)

Country Link
US (2) US4842294A (fr)
EP (1) EP0222922B1 (fr)
JP (2) JPS63501128A (fr)
AT (1) ATE74785T1 (fr)
CA (1) CA1285968C (fr)
DE (2) DE3684877D1 (fr)
FI (1) FI86148C (fr)
FR (1) FR2580941B3 (fr)
HU (1) HU195739B (fr)
IT (1) IT207190Z2 (fr)
NO (1) NO160115C (fr)
WO (1) WO1986006290A1 (fr)
YU (1) YU68486A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2645760B1 (fr) * 1989-04-12 1991-06-14 Salomon Sa Dispositif de fixation d'une chaussure a un ski de fond
US6145868A (en) * 1997-05-16 2000-11-14 The Burton Corporation Binding system for an article used to glide on snow
US6322095B1 (en) * 1998-06-15 2001-11-27 Bryce Wheeler Release binding for telemark and cross-country skis
US6623027B1 (en) * 1998-06-15 2003-09-23 Bryce Wheeler Release binding and brake for telemark and cross-country skis
US6644683B1 (en) 1998-07-22 2003-11-11 Rottefella As Ski binding, especially for cross-country skis
US20030137128A1 (en) * 2002-01-18 2003-07-24 Raffo Scott W. Multipurpose traction device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2659586A1 (de) * 1976-12-30 1978-07-06 Adolf Dassler Anordnung zur sicherung des absatzes eines langlauf-skischuhes gegen seitliches abrutschen vom ski
DE3115618A1 (de) * 1980-04-21 1982-03-18 Etablissements François Salomon et Fils, 74011 Annecy, Haute-Savoie Halterungsgesamtheit eines langlaufskischuhes auf einem ski
FR2497595A1 (fr) * 1981-01-06 1982-07-09 Salomon & Fils F
EP0096094A1 (fr) * 1982-06-11 1983-12-21 Nike International Ltd. Semelle pour chaussure de ski de fond
DE3240750A1 (de) * 1982-11-04 1984-05-10 Leningradskij politechničeskij institut imeni M.I. Kalinina, Leningrad Skibindung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974330A (en) * 1959-07-21 1961-03-14 Anthony M Kluge Binding for water skis
FR2447209A1 (fr) * 1979-01-26 1980-08-22 Salomon & Fils F Ensemble de fixation d'une chaussure a un ski
US4487427A (en) * 1979-08-03 1984-12-11 S.A. Etablissements Francois Salomon & Fils System for binding a boot to a ski
FR2466259A1 (fr) * 1979-10-04 1981-04-10 Stamos Pierre Fixation de ski de securite
US4673479A (en) * 1983-03-07 1987-06-16 The Dow Chemical Company Fabricated electrochemical cell

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2659586A1 (de) * 1976-12-30 1978-07-06 Adolf Dassler Anordnung zur sicherung des absatzes eines langlauf-skischuhes gegen seitliches abrutschen vom ski
DE3115618A1 (de) * 1980-04-21 1982-03-18 Etablissements François Salomon et Fils, 74011 Annecy, Haute-Savoie Halterungsgesamtheit eines langlaufskischuhes auf einem ski
FR2497595A1 (fr) * 1981-01-06 1982-07-09 Salomon & Fils F
EP0096094A1 (fr) * 1982-06-11 1983-12-21 Nike International Ltd. Semelle pour chaussure de ski de fond
DE3240750A1 (de) * 1982-11-04 1984-05-10 Leningradskij politechničeskij institut imeni M.I. Kalinina, Leningrad Skibindung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8606290A1 *

Also Published As

Publication number Publication date
NO160115B (no) 1988-12-05
IT207190Z2 (it) 1987-12-14
HU195739B (en) 1988-07-28
NO864863D0 (no) 1986-12-03
YU68486A (en) 1988-06-30
JPH0349727Y2 (fr) 1991-10-23
NO160115C (no) 1989-03-15
ATE74785T1 (de) 1992-05-15
JPS63501128A (ja) 1988-04-28
EP0222922A4 (fr) 1988-06-08
JPS61200085U (fr) 1986-12-15
FI86148C (fi) 1992-07-27
WO1986006290A1 (fr) 1986-11-06
FI86148B (fi) 1992-04-15
FI865188A (fi) 1986-12-18
EP0222922B1 (fr) 1992-04-15
CA1285968C (fr) 1991-07-09
FR2580941A3 (fr) 1986-10-31
DE8611318U1 (de) 1986-08-14
DE3684877D1 (de) 1992-05-21
NO864863L (no) 1986-12-03
HUT43268A (en) 1987-10-28
US4932678A (en) 1990-06-12
US4842294A (en) 1989-06-27
FI865188A0 (fi) 1986-12-18
FR2580941B3 (fr) 1987-05-29
IT8621661V0 (it) 1986-04-24

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