EP0217423B1 - Skischuh - Google Patents

Skischuh Download PDF

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Publication number
EP0217423B1
EP0217423B1 EP19860200762 EP86200762A EP0217423B1 EP 0217423 B1 EP0217423 B1 EP 0217423B1 EP 19860200762 EP19860200762 EP 19860200762 EP 86200762 A EP86200762 A EP 86200762A EP 0217423 B1 EP0217423 B1 EP 0217423B1
Authority
EP
European Patent Office
Prior art keywords
ski boot
block
cover
boot according
resilient
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
Application number
EP19860200762
Other languages
English (en)
French (fr)
Other versions
EP0217423A1 (de
Inventor
Simon Arieh
Guy Courvoisier
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.)
Lange International SA
Original Assignee
Lange International SA
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 Lange International SA filed Critical Lange International SA
Publication of EP0217423A1 publication Critical patent/EP0217423A1/de
Application granted granted Critical
Publication of EP0217423B1 publication Critical patent/EP0217423B1/de
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A43B5/0452—Adjustment of the forward inclination of the boot leg
    • A43B5/0454—Adjustment of the forward inclination of the boot leg including flex control; Dampening means
    • A43B5/0458—Adjustment of the forward inclination of the boot leg including flex control; Dampening means with the actuator being disposed at the front side of the boot

Definitions

  • the present invention relates to a ski boot comprising a shell of rigid material consisting of a lower part comprising the sole and surrounding the foot and at least one upper part articulated on the lower part around a transverse axis of such so that it can tilt forwards, an elastic member being arranged between said articulated upper part and said lower part of the shell so as to offer an elastic resistance to the inclination of the upper part towards the 'before.
  • the present invention aims to achieve a shoe comprising at the front an elastic resistance to adjustable flexion, produced by simple means and of small size, in particular not comprising a helical spring.
  • the ski boot according to the invention is characterized in that the elastic member consists of at least one elongated part working in buckling and that adjustment means are provided for modifying the length of the part working in buckling of the elastic piece.
  • the elongated elastic piece can be as well of elastomer, as of metal or in mineral material such as fiberglass or carbon.
  • the modification of the length of the part working in buckling can be done simply by means of a cursor acting directly on the elastic member in order to limit more or less the length of the part working in buckling.
  • the ski boot shown in Figure 1 comprises a semi-rigid plastic shell consisting of a lower part 1 comprising the sole and surrounding the foot and the heel and of two upper parts 2 and 3 articulated on the lower part 1 around about a transverse axis 4 at the level of the articulation of the foot.
  • These parts 2 and 3 are of approximately semi-cylindrical shape and fit into one another to surround the ankle of the skier. They are kept closed by a loop 5 of known type.
  • the rear articulated part 3 can be tilted back so as to allow the shoe to be put on. Inside the shoe is disposed a bootie 6 of compressible and soft material.
  • the upper parts 2 and 3 being articulated on the lower part 1, they can tilt forward when skiing. Opposed to this inclination is the elastic resistance of an elastic device mounted in a housing 7 fixed to the upper part of the shell 1 or coming in one piece with this part 1.
  • the housing 7 defines a rectangular housing 8 closed by a cover 9.
  • These elastic bars 10 and 11 are supported by one of their ends against a front wall of the housing 8, while on their other ends is supported a pusher 11 transmitting the force of the articulated part 2 of the shell to the elastic bars 10 and 11.
  • This pusher 12 has a front face 12a parallel to the bearing surface 13 of the lower edge of the articulated part 2 of the shell.
  • the pusher 12 also has a protruding middle part 12b engaging between the elastic bars 10 and 11 and an opposite protruding middle part 12c engaging in the part 2 of the shell for lateral retention of the pusher.
  • the outer sides of the elastic bars 10 and 11 have a depression 10a respectively 11 a which creates an asymmetry relative to the axis of the bars, so that when an axial pressure is exerted on these bars by means of the pusher 12, the bars elastic 10 and 11 tend to flame always in the same direction, that is to say towards the inside of the housing 8. In the position shown in FIG. 2, the elastic bars 10 and 11 have the possibility of flaming on their entire length.
  • a rigid stud 13 preferably made of plastic, housed in an axial extension of the lo gement 8.
  • This stud 13 is integral with a threaded rod 14 fixed in rotation, on which is mounted a nut 15 in the form of a wheel disposed in an open housing in which it is retained axially, but can rotate freely.
  • the wheel 15 protrudes slightly from the boot as shown in FIG. 1, so that it can be actuated by the skier. Its actuation makes it possible to move the stud 13 in the direction of the arrow F1 to bring it between the elastic bars 10 and 11 with a slight play.
  • the introduction of the stud 13 between the elastic bars 10 and 11 has the effect of preventing part of these bars and buckle, and consequently to increase the buckling resistance of bars 10 and 11.
  • This increase in buckling resistance results in an increase in elastic force opposing the forward pivoting of part 2 of the hull.
  • the stud 13 therefore constitutes a slider enabling the elastic resistance of the elastic member opposing the attachment of the skier's leg to be adjusted in a simple and fine manner.
  • Figures 3, 4 and 5 show a variant of the slider allowing faster adjustment.
  • the identical or analogous parts to the first embodiment are designated by the same references as in FIG. 2.
  • the length of the bars 10 and 11 working in buckling is adjusted by means of a stud 16 consisting of an inverted U-shaped piece in which is housed a piece 17 also having a U-shaped profile directed in the other direction and provided with 4 vertical studs 18, 19, 20 and 21 crossing vertically and freely 4 holes corresponding 22, 23, 24 and 25 formed in the upper face of the stud 16.
  • a plate 26 constituting a pusher.
  • the part 17 is also traversed by a longitudinal metal rod 29 provided with a toothing, for example a simple threaded rod, fixed by one of its ends in the lower end 7a of the housing 7.
  • the other end of the threaded rod 29 engages freely in a passage 30 formed in the pusher 12.
  • the rod 29 is fixed at a level such that the toothing 28 of the part 17 is engaged in the toothing of the rod 29 under the effect of the spring 27.
  • the stud 16 is consequently immobilized on the rod 29.
  • the cover 9 has a longitudinal rectangular slot 31 of width equal to that of the pusher 26 to allow movement of the stud 16.
  • the elastic member is constituted by a rubber plate 32 of rectangular parallelepiped shape but the lower face of which has a depression 32a creating an axial asymmetry so that the buckling of the bag 32 is always upwards.
  • This plate is mounted in a housing 33 formed in a base 34 attached to the shell 1 or come in one piece with this shell, in the same way as the housing 7.
  • the thrust of the articulated part 2 of the shell is transmitted by a plunger 35 of generally rectangular shape and provided with a rectangular notch 36 in which the elastic plate 32 engages.
  • the housing 33 is closed by a cover 37 fixed to the base 34 by any known means such as gluing, welding, notching or by means of screws.
  • This cover 7 has a longitudinal axial slot 38 crossed by a slider 39, the inner part of which has a T-shaped transverse widening extending under the cover 37.
  • a plate 41 made of compressed elastic material, which tends to hold the enlarged part 40 of the cursor against the inner wall of the cover 37.
  • This part of the wall is provided with a toothing 42 cooperating with teeth 43 provided on the enlarged part 40 of the cursor.
  • To release the cursor simply press the cursor which can then be moved axially along the slot 38.
  • the elastic plate 32 has been shown in the compressed position. We see that the left part of the plate 32 cannot flame because it is retained by the cursor. By moving the slider we can thus vary the length likely to buckle.
  • the enlarged part 40 slightly compresses, at rest, the plate 32 which keeps the teeth 43 in engagement with the teeth 42. The plate 32 thus replaces the auxiliary plate 41.
  • Figure 8 shows again a complete shoe similar to the shoe shown in Figure 1 with regard to the shell and the closure loop 5
  • the housing 8 provided for two rubber bars identical to the bars 10 and 11 is formed in a base 43 attached to the shell 1.
  • This housing is closed by a cover 44 having on its upper face a longitudinal groove 45 having a tail profile dovetail.
  • a slide 46 elongated with the same profile as the groove 45 and covering in any position a longitudinal slot 47 made axially in the cover 44 and visible in FIG. 9.
  • the slide 46 carries in its center a pusher 48 passing through the slot 47 and having at its lower end a bulb-shaped head 48a retained in a housing 49 in the form of a clamp of a stud 50 made of plastic. All the parts described so far are preferably made of synthetic material. Under the head of the pusher 48 is housed a seal 51 made of easily compressible synthetic material. At its lower part, the stud 50 has a flexible curved tongue 52, coming in one piece with the stud 50, and pressing, under bending, against the shell 1. This elastic tongue 52 acts as a compression spring and has tendency to apply the stud 5 against the cover 44.
  • the inner face of the cover is provided with a toothing 53 in which two transverse teeth 54 and 55 of the stud 50 engage.
  • To move the stud 50 it suffices to press on the pusher 48 and to move the slider or cursor 46.
  • One of the extreme positions of the stud 5 is shown in solid lines while the other extreme position is shown in phantom. This execution requires no metal parts and does not leave any hole through which snow could enter the housing containing the rubber elements.
  • the invention is susceptible of numerous variants.
  • the elongated elastic pieces working in buckling could be made of inorganic material, for example steel or mineral fiber.
  • the axial asymmetry of the elastic parts can be obtained by many forms.
  • a simple way to obtain asymmetry is to give a bevel shape to at least one of the ends of the bars or plates or to give a slight initial curvature to the elastic piece.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (12)

1. Skistiefel mit einer Schale aus halbstarrem Material, bestehend aus einem die Sohle einschliessenden und den Fuss umgebenden unteren Teil (1) und wenigstens einem oberen Teil (2, 3), welcher am unteren Teil um eine Querachse (4) gelenkig befestigt ist, derart, dass er sich nach vorn neigen kann, wobei ein elastisches Organ zwischen dem erwähnten, angelenkten oberen Teil und dem erwähnten unteren Teil der Schale derart vorgesehen ist, dass es einer nach vorn gerichteten Neigung des oberen Teils (2) einen elastischen Widerstand entgegensetzt, dadurch gekennzeichnet, dass das elastische Organ aus wenigstens einem länglichen Stück (10, 11; 32) besteht, welches auf Knickung arbeitet, und dass Justiermittel (13; 40, 50) vorgesehen sind, um die Länge des auf Knickung arbeitenden Teils des elastischen Stücks zu verändern.
2. Skistiefel nach Anspruch 1, dadurch gekennzeichnet, dass das elastische Organ aus zwei länglichen Stäben aus einem Elastomer (10, 11) besteht, die parallel in einer rechteckförmigen Vertiefung (8) im Abstand voneinander, an den seitlichen Wänden der Vertiefung anliegend, angeordnet sind, und dass diese Stäbe eine axiale Asymmetrie aufweisen, derart, dass die Knickung in Richtung auf den anderen Stab stattfindet, und dass die Mittel zum Verändern der Länge des auf Knickung arbeitenden Teils aus einem Klötzchen (13; 16; 50) bestehen, welches verschiebbar montiert ist und durch ein von Hand bedienbares Betätigungsmittel (15; 26; 48) zwischen die elastischen Stäbe (10, 11) eingeführt werden kann.
3. Skistiefel nach Anspruch 2, dadurch gekennzeichnet, dass der Druck des oberen Teils der Schale auf die aus einem Elastomer bestehenden Stäbe (10, 11) vermittels eines Stössels (12) ausgeübt wird, welcher einen mittleren Vorsprung hat, der zwischen die Enden der erwähnten Stäbe aus einem Elastomer einschiebbar ist.
4. Skistiefel nach Anspruch 3, dadurch gekennzeichnet, dass das erwähnte Betätigungsmittel aus einer mit einer Gewindebohrung versehenen Rändelscheibe (15) besteht, welche auf eine am erwähnten Klötzchen (13) befestigte Schraube (14) geschraubt ist.
5. Skistiefel nach Anspruch 3, dadurch gekennzeichnet, dass das erwähnte Klötzchen (16) eine sich nach unten öffnende Hohlkehle hat, in welche ein am Klötzchen befestigter, jedoch in einer vertikalen Ebene relativ zu diesem Klötzchen beweglicher Teil (17) eingreift, welcher fest an einem Drücker (26) angebracht ist, der das erwähnte Betätigungsmittel bildet, dass ein elastisches Mittel (27), welches auf Kompression arbeitet, zwischen dass der erwähnte bewegliche Teil (17) auf seiner Oberseite eine Längsnut hat und dass der Boden (28) dieser Nut mit Zähnen oder Rastkerben versehen ist, welche unter der Wirkung des erwähnten elastischen Mittels mit den Zähnen oder Rastkerben einer in Längsrichtung orientierten, festen Stange (29) in Eingriff stehen, derart, dass das Klötzchen festgehalten wird und dass ein auf den Drücker ausgeübter Druck das Klötzchen von der Stange löst und dieses Klötzchen längs dieser Stange zu verschieben erlaubt.
6. Skistiefel nach Anspruch 1, dadurch gekennzeichnet, dass das elastische Organ aus einem Plättchen (32) aus einem Elastomer besteht, welches eine Asymmetrie derart aufweist, dass die Knickung nach oben stattfindet, dass die Vertiefung durch einen die Knickung begrenzenden Deckel (37) verschlossen ist und dass die Mittel zur Veränderung der Länge des auf Knickung arbeitenden Teils aus einem Schieber (39) bestehen, dessen unteres Ende (40) in der Nähe des aus Eiastomer bestehenden Plättchens liegt oder sich gegen dieses abstützt.
7. Skistiefel nach Anspruch 6, dadurch gekennzeichnet, dass der Schieber (39) einen Längsspalt (38) des Deckels durchsetzt und einen unteren, verbreiterten Teil (40) aufweist, welcher durch den Deckel gehalten wird und leicht das aus Elastomer bestehende Plättchen komprimiert, derart, dass der erwähnte verbreiterte Teil gegen den Deckel gepresst wird, an welchem er durch Zähne oder Rastkerben (43) gehalten wird.
8. Skistiefel nach Anspruch 2, dadurch gekennzeichnet, dass die erwähnte Vertiefung durch einen Deckel (44) verschlossen ist und dass das erwähnte verschiebbare Klötzchen (50) aus Kunststoff besteht und an seinem unteren Teil eine elastische Zunge (52) aufweist, welche gegen den Boden der Vertiefung komprimiert ist und das Klötzchen in Anlage gegen den Deckel der Vertiefung hält, und dass dieses Klötzchen (50) an seinem oberen Teil an einem Drücker (48) befestigt ist, der verschiebbar auf dem Deckel in einem Spalt (47) desselben mittels eines Schiebers (46) verschiebbar ist, der ständig den erwähnten Spalt des Deckels abdeckt, und dass die untere Seite des Deckels und die obere Seite des Klötzchens mit zusammenwirkenden Zähnen oder Rastkerben versehen sind, um das Klötzchen festzuhalten, wenn der Drücker losgelassen wird.
9. Skistiefel nach Anspruch 8, dadurch gekennzeichnet, dass der Drücker einen Kopf aufweist, unter dem eine elastische, komprimierbare Dichtung (51) angeordnet ist.
10. Skistiefel nach einem der Ansprüche 2 bis 9, dadurch gekennzeichnet, dass die Asymmetrie, welche die Knickung in einer bestimmten Richtung gewährleistet, durch eine Vertiefung in einer der Flächen des länglichen Stücks ermöglicht wird.
11. Skistiefel nach einem der Ansprüche 2 bis 9, dadurch gekennzeichnet, dass die Asymmetrie, welche die Knickung in einer bestimmten Richtung gewährleistet, durch wenigstens ein abgeschrägtes Ende des elastischen länglichen Stücks ermöglicht
12. Skistiefel nach einem der Ansprüche 2 bis 9, dadurch gekennzeichnet, dass die Asymmetrie, welche die Knickung in einer bestimmten Richtung gewährleistet, durch eine Anfangskrümmung des elastischen Stücks ermöglicht wird.
EP19860200762 1985-10-03 1986-05-02 Skischuh Expired EP0217423B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH428285A CH665758A5 (fr) 1985-10-03 1985-10-03 Chaussure de ski.
CH4282/85 1985-10-03

Publications (2)

Publication Number Publication Date
EP0217423A1 EP0217423A1 (de) 1987-04-08
EP0217423B1 true EP0217423B1 (de) 1989-01-11

Family

ID=4273203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860200762 Expired EP0217423B1 (de) 1985-10-03 1986-05-02 Skischuh

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EP (1) EP0217423B1 (de)
CH (1) CH665758A5 (de)
DE (1) DE3661679D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259721B1 (de) * 1986-09-08 1993-09-01 NORDICA S.p.A. Schistiefel
IT1210432B (it) * 1987-03-06 1989-09-14 Nordica Spa Dispositivo per la regolazione della flessibilita' in uno scarpone da sci.
US5054215A (en) * 1987-08-06 1991-10-08 Nordica S.P.A. Adjustment device particularly for ski boots
AT397192B (de) * 1987-12-01 1994-02-25 Koeflach Sportgeraete Gmbh Einrichtung zur dämpfung und begrenzung der schwenkbewegung eines schaftes relativ zur schale eines skischuhes
FR2625079B1 (fr) * 1987-12-28 1990-06-08 Salomon Sa Dispositif a curseur pour le reglage de la position relative de deux organes, notamment pour chaussure de ski
CH678591A5 (de) * 1988-08-01 1991-10-15 Dynafit Skischuh Gmbh
CH678258A5 (de) * 1989-01-18 1991-08-30 Lange Int Sa
AT401216B (de) * 1993-07-06 1996-07-25 Tyrolia Freizeitgeraete Skischuh

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3738025A (en) * 1972-07-31 1973-06-12 Hanson Ind Inc Ski boot having variable stiffness
US3848347A (en) * 1973-03-05 1974-11-19 Hanson Ind Inc Ski boot with adjustable flexure means
DE3001633A1 (de) * 1980-01-17 1981-07-23 Josef Lederer Skistiefel
IT8361975V0 (it) * 1983-11-28 1983-11-28 Dolomite Spa Calzatura da sci con entrata posteriore e gambetto regolabile in inclinazione.
FR2557776A1 (fr) * 1984-01-05 1985-07-12 Articles Sport Cie Fse Chaussure de ski a amortisseur.

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Publication number Publication date
EP0217423A1 (de) 1987-04-08
CH665758A5 (fr) 1988-06-15
DE3661679D1 (en) 1989-02-16

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