EP0370270A1 - Chaussure de ski - Google Patents

Chaussure de ski Download PDF

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Publication number
EP0370270A1
EP0370270A1 EP89120092A EP89120092A EP0370270A1 EP 0370270 A1 EP0370270 A1 EP 0370270A1 EP 89120092 A EP89120092 A EP 89120092A EP 89120092 A EP89120092 A EP 89120092A EP 0370270 A1 EP0370270 A1 EP 0370270A1
Authority
EP
European Patent Office
Prior art keywords
spring element
ski boot
boot according
rubber spring
rubber
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
EP89120092A
Other languages
German (de)
English (en)
Other versions
EP0370270B1 (fr
Inventor
Klaus Walkhoff
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.)
Raichle Sportschuh AG
Original Assignee
Raichle Sportschuh AG
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 Raichle Sportschuh AG filed Critical Raichle Sportschuh AG
Priority to AT89120092T priority Critical patent/ATE88066T1/de
Publication of EP0370270A1 publication Critical patent/EP0370270A1/fr
Application granted granted Critical
Publication of EP0370270B1 publication Critical patent/EP0370270B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Definitions

  • the invention relates to a ski boot mentioned in the preamble of claim 1.
  • a ski boot which has a lower shell and a shaft part which is movable with respect to the lower shell in the direction of advance.
  • the upper part is connected to the lower shell at two points opposite one another with respect to the middle plane of the shoe by means of rubber-elastic washers.
  • These discs form the only connection between the lower shell and the shaft part. Different damping effects can be achieved by selecting discs with different properties. After assembling the lower shell and the shaft part, however, it is no longer possible to change the damping properties easily.
  • the fact that the discs are arranged at the articulation points of the shaft part on the lower shell means that the freedom for the structural design of the ski boot is restricted.
  • the panes are accessible from the outside and are therefore exposed to environmental influences.
  • the present invention has for its object to provide a ski boot of the type mentioned, the damping arrangement of a simple structure and largely independent of temperature influences and a damping effect corresponding to the respective requirements can develop over a long period of time.
  • the special design of the rubber spring element results not only in a progressive spring characteristic, but also in a limitation of the spring travel by the spring element itself. This has the particular advantage that no hard and uncomfortable stop is required to limit the spring travel.
  • the damping effect arises from a rotating and flexing movement of the rubber-elastic body with a relative twisting between the core piece and the pipe piece.
  • materials can be used that have already proven themselves for similar uses, preferably materials based on natural rubber or synthetic elastomers.
  • such a spring element is not subject to any significant temperature influences within the area of application, so that a constant spring effect can be expected.
  • the rubber spring element creates an elastic connection between the shoe sole or the lower shell and the force transmission member, which in turn acts on the shaft.
  • a non-rotatable connection to the shoe sole or lower shell relates only to the spring action of the spring element, but not to its adjustment option in order to achieve a basic setting.
  • the rubber spring element is housed in a particularly protected location, so that a risk of accident or damage is completely excluded, especially if the spring element is completely housed within the shoulder. In addition, the risk of pollution is relatively low with such accommodation.
  • the spring characteristic can be adjusted so that a ski boot equipped with such an element can be adapted to the skills of the skier.
  • a particularly preferred embodiment results according to claim 6, by means of which the spring characteristic can be adjusted by the skier himself with simple and easily accessible means. Despite this individual possibility of adjusting the flex effect by changing the preload, there is no restriction on the angle of rotation and thus the spring travel.
  • the position of the upper relative to the shoe sole or to the lower shell can be selected in which the spring action is zero. Starting from this "zero position", a spring action is possible both in the forward and backward directions and depends on the arrangement of the force transmission element.
  • the spring action is limited to a movement in the direction of advance.
  • Claim 9 describes a preferred embodiment for adjusting the rest position or the point of application of the spring action in connection with claim 8.
  • the nut used for adjustment can be, for example, a knurled nut, so that the adjustment at the rear of the shaft can be carried out by the skier himself at any time and without tools .
  • Claim 10 describes a possibility for setting the rest position or the point of use of the spring action when the force transmission element acts on the shaft without the possibility of adjustment.
  • the setting is generally carried out by means of a tool, so that such an embodiment is advantageous if an inadvertent adjustment is to be avoided.
  • the spring action is limited to a movement in the direction of advance, but the rear shaft part can be opened for loading without stressing the spring element.
  • connection which is rigid in both directions is present between the spring element and the shaft, so that the spring action of the spring element is stressed both in the direction in which it is presented and in the return direction.
  • Claim 14 describes an embodiment in which a double-sided effect of the spring element is also transmitted to the shaft by means of ropes or chains.
  • the spring action is transmitted only in the forward direction, while in an embodiment according to claim 16, the spring action is transmitted both in the original and in the return direction.
  • two spring elements are nested one inside the other.
  • the effect of these can be arranged either in parallel according to claim 18 or in series according to claim 19. These possibilities give the person skilled in the art the opportunity to select the arrangement depending on the desired spring action.
  • An arrangement according to claim 20 is particularly advantageous if a low overall height is to be achieved.
  • Claim 21 shows a possibility to supplement the characteristic of a spring element.
  • the ski boot shown in FIG. 1 has a shoe sole 10 with a shoe shell 12 arranged thereon, which consists of a lower shell 14 firmly connected to the shoe sole 10 and a shaft consisting of a front shaft part 16 and a rear shaft part 18.
  • the two shaft parts 16 and 18 are articulated on the joint axis 20 lying horizontally and transversely to the longitudinal axis of the shoe on the lower shell 14 and are held together by a buckle 22 in the upper region.
  • Compressible ribs 24 are arranged between the lower shell 14 and the front shaft part 16.
  • a double arrow 26 designates the mobility of the two shaft parts 16 and 18 relative to the shoe sole 10.
  • the lower shell 14 and the shaft parts 16 and 18 are shown broken away in the heel area in order to make a damping arrangement 28 in this area visible.
  • the damping arrangement 28 has a torsion rubber spring element 30 on the core piece 32 of which is rigidly connected to the lower shell 14 by means of an anti-rotation tab 34.
  • the spring element 30 also has a tube piece 36 which is rotatable relative to the core piece and to which a tension band 40 is fastened on the circumferential side by means of a screw 38.
  • the drawstring 40 is connected to a threaded bolt 42 which engages on the rear shaft part 18 by means of a knurled nut 44.
  • the knurled nut 44 is held in the rear shaft part 18 by means not shown and is accessible from the outside through a window 46.
  • the shaft 16 which consists of the parts 16 and 18 and can be swiveled with respect to the sole of the shoe 10 by the articulation axis 20 and the transverse ribs 24, enables the skier wearing the shoe to assume a position in which the leg is in a forward inclined position relative to the foot.
  • the damping arrangement 28 serves on the one hand to dampen the original movement and on the other hand to resiliently return the shaft to a rest or starting position. With a movement of the original, the tension band 40 is tightened in order to partially unwind from the tube piece 36. Since spring elements (not shown in FIG.
  • Figure 2 shows on a larger scale in principle the same damping arrangement as Figure 1, but with the configuration that the spring action of the torsion rubber spring element 30 'is adjustable.
  • the core piece 32 ' is designed as a slotted expansion body which is expanded when an Allen screw 48 is screwed in, in order to increase the pretension on the body 50, which is arranged between the core piece 32' and the tube piece 36, and consists of a rubber-elastic material.
  • FIG. 2 also shows that the core piece 32 'has a square shape on its outside and the tube piece 36 on its inside.
  • the embedded between these two parts, consisting of a rubber-elastic material body 50 give the rubber spring element 30 or 30 'the effect of a torsion spring, since they limited rotation of the two parts having a square shape 32 or 32' and 36 relative enable each other.
  • the body 50 made as a rubber body based on natural rubber. Since such a rubber is not compressible, the angle of rotation of such a spring element is generally limited to approximately ⁇ 30 °.
  • the rubber bodies are subject to a twisting and flexing movement.
  • rubber bodies have the particular advantage that their spring characteristics are hardly influenced by the ambient temperature within wide limits.
  • the use of rubber-like plastic is also possible, provided that this is also not temperature-dependent in the area of application.
  • the Allen screw 48 has a conical projection 52 in order to spread the core piece 32 ', which is designed as a slotted expansion body, in a wedge shape.
  • the tension band 40 has an elongated hole 54 which extends in the longitudinal direction and is fastened by means of the screw 38 to the pipe section 36 (FIG. 2).
  • the screw 38 then has a thread-free shoulder on its head in order to allow the tensioning strap 40 to be displaced in the longitudinal direction when tightened. This displacement is necessary in order to be able to pivot the rear shaft part 18 to the rear for opening and getting in.
  • the slot 54 rests with its end 54 'on the shaft of the screw 38.
  • the screw 38 therefore does not serve to fix the tension band 40 directly, but rather as a stop screw.
  • FIG. 4 shows an embodiment in which a lever 56 is arranged on the spring element 30 instead of a tension band as a force transmission element, said lever 56 articulated via a pull rod 58 either on the front shaft part 16 or on the rear shaft part 18. It is also possible for the pull rod 58 to be connected to both shaft parts 16 and 18. The pull rod 58 can be arranged on the inside or outside of the shoe. It can also be seen from FIG. 4 that the spring element 30 is installed in the heel area below the insole 60.
  • Figure 5 shows an embodiment in which the force transmission member is formed by the spring element 30 looping ropes or chains 62 which engage with their two ends 62 'and 62 ⁇ on the front shaft part 16.
  • One point of attack 62 ' is behind and the other 62 ⁇ is in front of the hinge axis 20th
  • a lever 64 is arranged as a force transmission member on the spring element 30, which lever is connected to an extension 68 of the front shaft part 16 by means of an elongated hole 66 extending in the longitudinal direction in the lever 64 Driver pin 70 attacks.
  • the lever 64 is connected to the core piece 32, while the tube piece 36 of the spring element 30 is anchored in a rotationally fixed manner to the lower shell 14 or the shoe sole 10.
  • FIG. 7 shows an embodiment which essentially corresponds to that according to FIG. 1, but in which the spring element 30 on its anti-rotation bracket 34 is adjustable within a limited angle.
  • the adjustment option is indicated by 34 '. Due to the adjustment option, the rest position or the point of application of the spring action can be adjusted in order to be able to adapt the ski boot to the needs of the skier.
  • the spring element 30 is mounted so as to be overhung in the longitudinal direction of the shoe.
  • Four cables 72, 74, 76 and 78 serve as power transmission members, each of which is anchored at one end to the spring element 30 and with its other end to the front shaft part 16 at points of attack 72 ', 74', 76 ', 78'.
  • the one rope 72 is connected to the core piece 32 of the spring element 30 via a lever 80, while the other rope 74 is fastened to the jacket of the tube piece 36 of the spring element 30 and partially wraps around the spring element. If the shaft of the ski boot is covered by the Skiers are now loaded in the direction 82, then the ropes 72 and 74 are tensioned so that the core piece 32 rotates in one direction and the tube piece 36 in the opposite direction.
  • the ropes 76 and 78 are now also arranged between the spring element 30 and the front shaft part 16, then they perform an opposite movement to the ropes 72 and 74, since they are attached to the spring element 30 crosswise to the ropes 72 and 74 mentioned first and also engage the front shaft part 16 in front of the joint axis 20.
  • the crosswise arrangement between the rear ropes 72 and 74 and the front ropes 76 and 78 is achieved by connecting the right rope 72 from the rear ropes to the core piece 32 via the lever 80, while the left rope 78 is connected from the front ropes is connected to the same core piece 32 via a further lever 84.
  • the arrows 86 shown in broken lines denote the deflection direction in the case of an original movement.
  • the difference between an arrangement with two ropes and an arrangement with four ropes is that the spring action with two ropes is only present in the forward direction, while with an arrangement with four ropes the same spring element 30 also develops its spring force in the return direction.
  • the flying mounting of the spring element 30 is to be understood to mean that both the outer tube piece 36 and the inner core piece 32 can be moved relative to one another without anchoring to a stationary part of the ski boot.
  • a spring element 88 In one embodiment of a spring element 88 according to FIGS. 10 and 11, two spring elements are coaxially nested in one another according to the principle explained for FIG.
  • the outer tube 90 of the inner spring element 92 also forms the core of the outer spring element 94.
  • the outer cage 96 of the outer spring element 94 is fixed in a holder 98 and the core 100 of the inner spring element 92.
  • the outer tube 90 serves as a movable part inner spring element 92 which is rotatably connected to a lever 102.
  • the outer spring element 94 like the inner spring element 92, has bodies 95 made of a rubber-elastic material.
  • the inner spring element 92 and the outer spring element 94 are operatively connected in parallel.
  • the lever 102 would not have to act on the outer tube piece 90 of the inner spring element 92, but rather on the core piece 100 thereof.
  • the core piece 100 should then not be held stationary.
  • the outer pipe section 90 of the inner spring element 92 would then be free.
  • the entire spring element 88 is arranged symmetrically on both sides of the lever 102.
  • FIG. 12 shows an arrangement with two spring elements 108 and 110 arranged in parallel next to one another, which are also connected in parallel in terms of their effectiveness.
  • These two spring elements are provided with a toothing 112 over at least part of their circumference or they have attached gearwheels.
  • the toothings 112 of both spring elements 108 and 110 intermesh, so that they must inevitably perform an opposite movement.
  • the core piece 114 of the spring element 108 is anchored in place by means of a holder 116.
  • a tension band or tension cable 120 is fastened to the outer tube piece 118 of the second spring element 110 by means of a screw 122. Forces acting in the direction of arrow 124 on the drawstring or pull cable 120 act uniformly on both elements, irrespective of which of the two elements is actuated.
  • This arrangement is advantageous in order to double the forces with a flat overall height.
  • the arrangement can be expanded by adding two plus one etc. elements.
  • a further body 132 made of a rubber-elastic material is arranged between the outer tube piece 126 of a spring element 128 and a fixed anchor 130.
  • the centerpiece is also firmly anchored 134.
  • a drawstring or pulling rope 136 engages on the outer pipe section 126.
  • the rubber-elastic body 132 is connected in parallel with the spring element.
  • Such an embodiment can also help to use a spring element with a relatively small diameter in order to achieve a low overall height.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP89120092A 1988-11-21 1989-10-30 Chaussure de ski Expired - Lifetime EP0370270B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89120092T ATE88066T1 (de) 1988-11-21 1989-10-30 Skischuh.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4308/88 1988-11-21
CH4308/88A CH679440A5 (fr) 1988-11-21 1988-11-21

Publications (2)

Publication Number Publication Date
EP0370270A1 true EP0370270A1 (fr) 1990-05-30
EP0370270B1 EP0370270B1 (fr) 1993-04-14

Family

ID=4273662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89120092A Expired - Lifetime EP0370270B1 (fr) 1988-11-21 1989-10-30 Chaussure de ski

Country Status (6)

Country Link
US (1) US5088211B1 (fr)
EP (1) EP0370270B1 (fr)
JP (1) JPH02198502A (fr)
AT (1) ATE88066T1 (fr)
CH (1) CH679440A5 (fr)
DE (1) DE58904072D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0466032A2 (fr) * 1990-07-09 1992-01-15 William H. Kaufman Inc. Chaussure de ski de descente

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1242734B (it) * 1990-06-15 1994-05-17 Nordica Spa Dispositivo di regolazione della flessibilita' particolarmente per scarponi da sci
US5431624A (en) * 1994-03-23 1995-07-11 Saxton; Loren Therapeutic device for controlling orientation of a patient's foot with respect to the patients leg during a recovery period
US5611155A (en) * 1994-07-05 1997-03-18 Comfort Products, Ltd. Elastometric connecting means for footwear
US5740620A (en) * 1994-07-05 1998-04-21 Comfort Products, Ltd. Elastomeric connecting means for footwear
FR2730390B1 (fr) * 1995-02-10 1997-04-04 Salomon Sa Chaussure a flexibilite controlee
FR2733125B1 (fr) * 1995-04-19 1997-07-04 Salomon Sa Chaussure avec controle de flexion de la tige
WO1997035494A1 (fr) * 1996-03-27 1997-10-02 William H. Kaufman Inc. Ensemble de chaussure pour ski alpin et analogue
US6554296B1 (en) 2000-04-28 2003-04-29 The Burton Corporation Highback with independent forward lean adjustment
DE10254933B4 (de) * 2002-11-25 2006-07-27 Adidas International Marketing B.V. Schuh
US20060237920A1 (en) * 2005-04-25 2006-10-26 K-2 Corporation Virtual forward lean snowboard binding
US7992888B2 (en) * 2007-12-07 2011-08-09 K-2 Corporation Blockless highback binding
US11202486B2 (en) * 2017-07-21 2021-12-21 Fox Head, Inc. Protective footwear
IT201800004500A1 (it) * 2018-04-13 2019-10-13 Calzatura sportiva

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2063622A5 (fr) * 1969-10-24 1971-07-09 Starpool
CH529524A (fr) * 1963-01-11 1972-10-31 Sports Technology Chaussure de ski
DE2807348A1 (de) * 1978-02-21 1979-08-30 Lintner Dachstein Sportschuh Skischuh
EP0132706A1 (fr) * 1983-07-21 1985-02-13 NORDICA S.p.A Dispositif d'ajustage de flexion pour chaussures de ski et similaires
DE3600436A1 (de) * 1986-01-09 1987-07-16 Josef Lederer Skischuh stichwort: kombinierte gummi- und federvorlagedaempfung
EP0231467A2 (fr) * 1986-01-09 1987-08-12 Josef Lederer Chaussure de ski
DE3628912A1 (de) * 1986-08-26 1988-03-10 Josef Lederer Skischuh

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE480880A (fr) * 1946-06-04 1900-01-01
CH423367A (de) * 1965-06-22 1966-10-31 Roth Walter Torsionselastische Gelenkvorrichtung
AU411555B2 (en) * 1967-12-12 1971-03-05 Improvements in and relating to torsional shear springs
DE2404447A1 (de) * 1973-01-31 1974-08-08 Polyair Maschinenbau Gmbh Kitt Schuh, insbesondere skischuh mit einem mehrteiligen schaft
JPS51137075A (en) * 1975-05-21 1976-11-26 Hisafumi Kaneko A shock absorber
US4095356A (en) * 1976-10-15 1978-06-20 Scott Usa, Inc. Boot with pivoted upper
EP0053340A3 (fr) * 1980-11-28 1982-10-20 Raichle Sportschuh AG Chaussure de sport, en particulier chaussure de ski
IT8222497V0 (it) * 1982-07-22 1982-07-22 Nordica Spa Struttura di dispositivo di bloccaggio del piede particolarmente per scarponi da sci.
IT1172742B (it) * 1983-03-17 1987-06-18 Caber Italia Scarpone da sci con gambetto apribile composto da piu' parti tra loro mutuamente collegate
CH653532A5 (de) * 1984-03-30 1986-01-15 Raichle Sportschuh Ag Sportschuh, insbesondere skischuh.
CH667190A5 (de) * 1985-08-26 1988-09-30 Gudo Ag Skischuh.
CH680699A5 (fr) * 1987-04-22 1992-10-30 Raichle Sportschuh Ag
FR2619999B1 (fr) * 1987-09-04 1991-06-14 Salomon Sa Chaussure de ski alpin a tige articulee sur un bas de coque

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH529524A (fr) * 1963-01-11 1972-10-31 Sports Technology Chaussure de ski
FR2063622A5 (fr) * 1969-10-24 1971-07-09 Starpool
DE2807348A1 (de) * 1978-02-21 1979-08-30 Lintner Dachstein Sportschuh Skischuh
EP0132706A1 (fr) * 1983-07-21 1985-02-13 NORDICA S.p.A Dispositif d'ajustage de flexion pour chaussures de ski et similaires
DE3600436A1 (de) * 1986-01-09 1987-07-16 Josef Lederer Skischuh stichwort: kombinierte gummi- und federvorlagedaempfung
EP0231467A2 (fr) * 1986-01-09 1987-08-12 Josef Lederer Chaussure de ski
DE3628912A1 (de) * 1986-08-26 1988-03-10 Josef Lederer Skischuh

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0466032A2 (fr) * 1990-07-09 1992-01-15 William H. Kaufman Inc. Chaussure de ski de descente
EP0466032B1 (fr) * 1990-07-09 1996-06-05 William H. Kaufman Inc. Chaussure de ski de descente

Also Published As

Publication number Publication date
US5088211A (en) 1992-02-18
DE58904072D1 (de) 1993-05-19
JPH0516842B2 (fr) 1993-03-05
EP0370270B1 (fr) 1993-04-14
ATE88066T1 (de) 1993-04-15
CH679440A5 (fr) 1992-02-28
JPH02198502A (ja) 1990-08-07
US5088211B1 (en) 1994-05-10

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