EP0321714B1 - Ski boot - Google Patents

Ski boot Download PDF

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Publication number
EP0321714B1
EP0321714B1 EP88119452A EP88119452A EP0321714B1 EP 0321714 B1 EP0321714 B1 EP 0321714B1 EP 88119452 A EP88119452 A EP 88119452A EP 88119452 A EP88119452 A EP 88119452A EP 0321714 B1 EP0321714 B1 EP 0321714B1
Authority
EP
European Patent Office
Prior art keywords
ski boot
tension member
sole
tension
retaining element
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
EP88119452A
Other languages
German (de)
French (fr)
Other versions
EP0321714A2 (en
EP0321714A3 (en
Inventor
Sigurd Seidel
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 AT88119452T priority Critical patent/ATE100288T1/en
Publication of EP0321714A2 publication Critical patent/EP0321714A2/en
Publication of EP0321714A3 publication Critical patent/EP0321714A3/en
Application granted granted Critical
Publication of EP0321714B1 publication Critical patent/EP0321714B1/en
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
    • A43B5/0435—Adjustment of the boot to the foot
    • A43B5/0443—Adjustment of the boot to the foot to the instep of the foot, e.g. metatarsals; Metatarsal clamping devices
    • A43B5/0447—Adjustment of the boot to the foot to the instep of the foot, e.g. metatarsals; Metatarsal clamping devices actuated by flexible means, e.g. cables, straps
    • A43B5/0449—Adjustment of the boot to the foot to the instep of the foot, e.g. metatarsals; Metatarsal clamping devices actuated by flexible means, e.g. cables, straps with the actuator being disposed at the rear side of the boot
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements

Definitions

  • the present invention relates to a ski boot according to the preamble of claim 1.
  • Such a ski boot is known for example from EP-OS 0 221 483.
  • a holding element which covers the instep in the form of a saddle and a heel cap which is integrally formed therewith and surrounds the heel from behind.
  • This holding arrangement thus encompasses the heel, a first, inner side of the foot and the instep.
  • a loop formed at the end of a pulling element is fixed to the holding element in the upper end region. This loop runs along the second foot side to the heel counter, is guided around it and ends on the first foot side, after which the traction element is deflected towards the sole and from there runs over the front end region of the holding element to a drive arrangement.
  • the end of the traction element on this side is fixed to a drum which can be rotated by means of an electric motor.
  • the traction element When the traction element is wound onto the drum, the holding element is pulled against the heel counter in the area of the loop on the second foot side and the holding element is tensioned against the sole in the front end area.
  • the drum To release the traction element, the drum is rotated in the opposite direction.
  • an optimal adjustment of the holding element in the upper end area is only possible as a function of the front end area, so that the retraction of the holding element in the direction force required for the heel counter passed over the holding element in its front end region.
  • the forces acting on the foot are asymmetrical and the frictional relationships between the traction element, the heel counter and the holding element can lead to twisting of the holding arrangement.
  • a ski boot is disclosed in EP-AO 186 197, the shell of which consists of two halves which can be pulled together in a symmetrical manner with a pulling system.
  • a first traction element is shaped in its one end region to form a self-contained loop which encompasses the shell in the forefoot region.
  • a corresponding loop of a second pulling element engages around the shell in the instep area.
  • the two tension members are articulated on a common clamping arrangement. They are deflected in the area of the sole in such a way that both loops are tightened simultaneously when the traction members are tensioned.
  • the object of the present invention is to provide a ski boot, the retaining element in the front. End area is tensioned against the sole and in the upper end area against the heel, the forces acting on the holding element symmetrically to the longitudinal direction of the shoe and the adaptation of the holding element to the foot in the upper end area is less dependent on the adjustment in the front end area.
  • the two partial loops are formed from a single closed loop, the drive arrangement divides this loop into the two partial loops and acts on the tension member between the two tell loops.
  • the length of the closed loop is adjustable, the adaptation of the holding element to any foot shape is made possible.
  • the two partial loops thus become a pulling part of the drive arrangement that the two partial loops are reduced or enlarged with each other.
  • the drive arrangement can be particularly simple in these embodiments.
  • the pulling part has a nut which is seated on a rotatably mounted spindle, which is preferably arranged in the sole, the axis of rotation of the spindle running essentially parallel to the sections of the partial loops.
  • the spindle can thus be driven by means of an electric motor or a rotary wheel which can be actuated from the outside of the shoe and which is operatively connected to the spindle by a flexible shaft.
  • the traction element runs in the region of the second partial loop from the upper end region of the holding element on both sides of the foot to a heel cap that encompasses the heel from behind and is guided to the drive arrangement, crossing in the region of the heel cap.
  • This form of training gives the foot a good grip, especially across the length of the shoe.
  • the heel counter can be elastically deflected in a direction essentially parallel to the sole and transversely to the longitudinal direction of the shoe, the heel counter is pressed laterally against the foot in the heel region, which further increases the grip.
  • the length of the closed loop can be adjusted particularly easily if the tension member is opened and fixed on one end to the holding element and the other is operatively connected to a length adjustment element arranged on the holding element.
  • a bracket whose distance to the holding element can be adjusted in a direction transverse to the sole, engages between the front and upper end region in a plane substantially transversely to the longitudinal direction of the shoe, and the pulling element is from the drive arrangement to guides in the end regions of the Bracket and from there towards the sole and to a deflection point and from this to the front end region of the holding element.
  • the force acting on the holding element is distributed over three areas, and on the other hand, in this embodiment, the traction element can form a closed loop, the length of which cannot be adjusted and, regardless of the anatomy of the foot, the holding element is always pulled against the instep with sufficient force can be.
  • a ski boot 10 assumed to be transparent is shown in perspective. It has a shaft 12, a sole 14 and a padded inner shoe 16 arranged in the interior of the shaft. The outlines of the shaft 12 and the inner shoe 16 are only partially indicated.
  • a holding element 18 which covers the inner shoe in the instep area, and in the heel area a heel cap 20 which acts on the inner shoe 16 and surrounds the heel from behind is arranged on the sole 14.
  • a stationary spindle 22 is rotatably mounted in the sole 14, the longitudinal axis 24 of which runs parallel to the longitudinal direction A of the shoe. With the spindle 22, the shaft of a servomotor 26 is rotatably connected.
  • the servomotor is by means of a switching element, not shown, with a battery or accumulator, also not shown, arranged in the shoe, for example in the sole, can be electrically connected.
  • a battery or accumulator also not shown, arranged in the shoe, for example in the sole, can be electrically connected.
  • On the spindle 22 sits a nut 28, which is displaceable in the sole 14 in the longitudinal direction A of the shoe in a manner not shown, but is mounted in a rotational manner.
  • a traction element 30 is guided inside the ski boot 10 in such a way that it forms two partial loops 32 and 34.
  • the first partial loop 32 overlaps the holding element 18 in its front end region 36, is guided on both sides of the forefoot to the sole 14, is deflected there and runs in the sole 14 approximately parallel to the longitudinal direction A of the shoe on both sides of the servomotor 16 and the nut 28 against the Heel region of the ski boot 10 is deflected there again in a manner not shown in this figure and runs parallel to the longitudinal direction A of the shoe 28 back to the nut 28.
  • the second partial loop 34 is guided around the holding element 18 in the upper end region 38 and runs on both sides of the foot, on the heel counter 20 laterally arranged guide elements 40.
  • the tension member 30 runs from each guide element 40 around the heel counter 20 to the other side of the ski boot 10 so that it crosses in the area of the heel counter 20, and runs from there approximately parallel to the longitudinal direction of the shoe A in the sole 14 to the mother 28.
  • the traction element 30 is deflected twice in the nut 28 by 180 °, as shown in dashed lines, so that in each case a section 42 of the first partial loop 32 which runs essentially parallel to the shoe longitudinal direction A to the nut 28 is connected to a respective corresponding section 44 of the second partial loop 34 is.
  • the traction element 30 consequently forms a single closed loop, which is guided in such a way that two partial loops 32, 34 are formed, which are enlarged or reduced at the same time by moving the nut 28 in the longitudinal direction A of the shoe.
  • the pulling element 30 is slidably guided in the nut 28.
  • the holding element 18 covers the instep area in a saddle shape and the heel cap 20, which can be deflected in the longitudinal direction A of the shoe, is fastened to a wedge 46 arranged in the sole 14.
  • the holding element 18 is gripped in a U-shaped manner between the front and upper end regions 36 and 38 by a bracket 48.
  • Guides 52 for the traction element 30 are arranged on the temple ends 50, which are directed downward on both sides of the holding element 18, in the longitudinal direction A of the shoe.
  • a set screw 54 is mounted, the free end of which is supported on the holding element 18.
  • the set screw 54 has a flat, large-area head, so that the screw can be turned easily by hand. With the adjusting screw 54, the distance transversely to the sole 14 between the bracket 48 and the holding element 18 can be adjusted.
  • the holding element 18 has an elastic tab 56 directed towards the shin, by means of which the holding element 18 is fixed to the shaft 12, not shown in FIG. 2.
  • the tension member 30 is mounted in the upper or front end region 38, 36 in guides formed on the holding element 18.
  • Similar guide elements 40 are formed on the heel cap 20, which can also be deflected elastically, also essentially in a direction parallel to the sole 14 and transversely to the longitudinal direction of the shoe A (cf. also FIG. 1).
  • a drive arrangement 58 is provided, which has the spindle 22, the servomotor 26 and the nut 28.
  • the wedge 46 there are recesses 60 for the tension member 30.
  • the traction element 30 also forms a first and a second partial loop 32 and 34, respectively.
  • the first partial loop 32 is guided in the guides mentioned above over the holding element 18 in the front end region 36, runs there to the wedge 36, is deflected in the recesses 60, is guided on both sides of the foot to the guides 52 in the bracket 48 and runs from there through further recesses 60 in an analogous manner, as described above and shown in FIG. 1, to the nut 28 of the drive arrangement 58.
  • the traction element 30 is redirected backwards, intersecting in the guide elements 40 around the heel cap 20 and from there on both sides of the foot to the upper end region 38 of the holding element 18.
  • the traction element 30 can also be in the Crossing wedge 46, each on the other side of the foot are guided and from there to the guides 52 in the bracket 48.
  • Getting into the ski boot and tightening the holding element 18 or the heel counter 20 proceeds as follows: In order to be able to get into the ski boot 10, the nut 28 is brought into the region of the rear end position by turning the spindle 22 by means of the servomotor 26. As a result, the tension member 30 is released and the two partial loops 32, 34 are enlarged. As a result of the enlargement of the partial loops 32 and 34, sufficient space has been created to be able to get into the ski boot 10 without problems. Now the spindle 22 is rotated in the opposite direction by means of the servomotor 26, so that the nut 28 is displaced in the longitudinal direction A of the shoe against the tip of the shoe.
  • the elastically deformable heel cap 20 becomes laterally in a direction essentially parallel to the sole 14 and transversely pressed against the heel to the longitudinal direction of the shoe, which results in a particularly good hold in the heel area.
  • the distance transversely to the sole 14 between the bracket 48 and the holding element 18 can be increased or decreased. If, with a low instep, the length of the spindle 22 is not sufficient to be able to tension the tension member 30 sufficiently, the distance between the bracket 48 and the holding element 18 can be increased, so that a sufficiently large tension in the tension member 30 is made possible. In the case of a high instep, however, the bracket 48 bears against the holding element 18. The adjustment of the bracket 48 with the adjusting screw 54 is only necessary once, since the stroke of the spindle 22 is large enough to get into the shoe or tighten the holding element 18 and the heel cap 20 with a fixed length of the pulling element 30 to enable.
  • FIGS. 3 and 4 show the drive arrangement 58 arranged in the wedge 46 in a top view and in a section along the line IV-IV of FIG. 3.
  • the wedge 46 has a recess 62 which extends essentially in the longitudinal direction of the shoe A, in which the servomotor 26 is seated and the nut 28 is guided in a rotationally fixed manner but is displaceable in the longitudinal direction of the shoe A.
  • the spindle 22 is connected in a rotationally fixed manner to the shaft of the servomotor 26 and is rotatably mounted on the wedge 46 at its end region facing away from the servomotor 26, but is not displaceable in the longitudinal direction A of the shoe. In this end region, a stop 64 made of rubber sits on the spindle 22, which prevents the nut 28 from striking hard.
  • the nut 28 has two, substantially circular segment-shaped Grooves 65 in which the tension member 30 is guided.
  • deflection rollers 68 are rotatably mounted on both sides of this recess about axes perpendicular to the sole 14.
  • Further deflection rollers 70 are mounted to the side of the recess 62 in the area of the servomotor 26 so as to be rotatable about axes also perpendicular to the sole 14.
  • the traction element 30 of the first partial loop 34 runs from the heel counter 20 with its sections 44 approximately parallel to the shoe longitudinal direction A to the nut 28, is deflected there by 180 ° in the grooves 65 and runs from there with the sections 42 belonging to the first partial loop 32 the deflection rollers 68, which is guided around them, runs to the deflection rollers 70 and from there transversely to the shoe longitudinal direction A to the outside.
  • the tension member 30 is slidably mounted in the nut 28 so that a compensation of the size of the two partial loops 32 and 34 is possible.
  • limit switches can be provided in the area of the recess 62, which switch off the servomotor 26 as soon as the nut 28 has reached an end position on the spindle 22 so that the servomotor cannot be overloaded.
  • FIGS. 5 and 6 show the front end region 36 of a holding element 18 in a side view or along a section along the line VI-VI in FIG. 5.
  • This holding element 18 has a length setting element 72, with which the length of the pulling element 30 can be adjusted.
  • a bulge 74 of the holding element 18 projecting against the shaft 12 which is not shown in this figure, there is a worm wheel 76 about an axis parallel to the sole 14 and transversely to the longitudinal direction A of the shoe rotatably mounted.
  • the worm wheel 76 is operatively connected by means of a flexible transmission member 78 to a rotating member, not shown in FIGS. 5 and 6, with which the worm wheel can be rotated in both directions of rotation.
  • the tension member 30 see FIG.
  • a first traction element end 80 is fixed in the region of the bulge 74 on the holding element 18.
  • the second traction member end 82 has a band 84 with a toothing 86 directed transversely to the longitudinal direction of the band.
  • the band 84 abuts the holding element 18 and is guided through the opening 74 in the bulge 74.
  • the toothing 86 interacts with the worm wheel 76 and at the same time holds it in the bulge 74.
  • the band 84 is displaced in the direction of arrow B, which results in an enlargement or a reduction in the size of the loop consisting of the two partial loops 32 and 34.
  • the mode of operation of the length adjustment element 72 is similar to that of the bracket 48 in FIG. 2.
  • a short length of the spindle 22 is sufficient to get into the ski boot 10 enable and still pull the retaining element 18 and the heel cap 20 to the foot.
  • the spindle 22 can, for example, be operatively connected to a flexible shaft which is connected to a rotary wheel which can be operated from the outside of the shoe.
  • a rotary wheel can be arranged anywhere on the shaft 12. It is also possible to move a pulling part, which can be designed similarly to the nut 28, by means of a lever system which can be actuated from the outside of the shoe.
  • the pulling part can be connected to the piston of a piston-cylinder unit.
  • a pump and valve arrangement for controlling this piston-cylinder unit can be arranged on the shaft so that it can be operated from the outside of the shoe.
  • the second one Partial loop 34 is guided against the heel region by means of deflection members preferably arranged on the shaft 14 and are deflected from there to the drive arrangement 58.
  • the drive arrangement 58 with the servomotor 26, the spindle 22, the nut 28 and the deflection rollers 68, 70 can also be arranged in an insert which can be inserted into the wedge 46 or directly into the sole 14.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

On the inside of the shaft (12) of the ski boot (10), there are provided a holding element (18), which acts on the inner boot (16) in the instep region, and a heel cap (20). The draw member (30) forms a first part loop (32) which is guided over the front end region (36) of the holding element (18), from there runs towards the sole (14) and is diverted in the sole (14) in such a manner that its sections (42) run from the rear towards the nut (28). The second part loop (34) is guided over the upper end region (38) of the holding element (18), runs to the guide elements (40) of the heel cap (20) and is from there, crossing itself, guided to the nut (28). The nut (28) is located on the spindle (22) which is rotatable by means of the servomotor (26). By displacing the nut (28) in the longitudinal direction (A) of the boot towards the toe of the foot, the size of both part loops (32, 34) is reduced, so that the holding element (18) and the heel cap (20) can bear against the inner boot (16) and this can bear against the foot. By displacing the nut (28) in the direction towards the heel, both part loops (32, 34) are enlarged, so that it is possible to put on and remove the ski boot (10) without problems. <IMAGE>

Description

Die vorliegende Erfindung betrifft einen Skischuh gemäss dem Oberbegriff des Anspruches 1.The present invention relates to a ski boot according to the preamble of claim 1.

Ein solcher Skischuh ist beispielsweise aus der EP-OS 0 221 483 bekannt. Im Innern des Schaftes dieses Skischuhs ist ein, den Rist sattelförmig überdeckendes Halteelement und eine mit diesem einstückig ausgebildete, die Ferse von hinten umgreifende Fersenkappe angeordnet. Diese Halteanordung umgreift also die Ferse, eine erste, innenliegende Seite des Fusses sowie den Rist. Auf der, dieser ersten Fußseite gegenüberliegenden zweiten Fußseite ist am Halteelement im oberen Endbereich eine am Ende eines Zugorganes ausgebildete Schlaufe fixiert. Diese Schlaufe verläuft entlang der zweiten Fußseite zur Fersenkappe, ist um diese geführt und endigt auf der ersten Fußseite, wonach das Zugorgan in Richtung gegen die Sohle umgelenkt wird und von dort über den vorderen Endbereich des Halteelementes zu einer Antriebsanordnung verläuft. Das diesseitige Ende des Zugorgans ist an einer Trommel fixiert, welche mittels eines Elektromotores gedreht werden kann. Beim Aufwickeln des Zugorganes auf die Trommel wird im Bereich der Schlaufe auf der zweiten Fußseite das Halteelement gegen die Fersenkappe gezogen und das Halteelement im vorderen Endbereich gegen die Sohle gespannt. Zum Lösen des Zugorganes wird die Trommel in entgegengesetzter Richtung gedreht. Bei diesem Skischuh ist eine optimale Anpassung des Halteelementes im oberen Endbereich nur in Abhängigkeit vom vorderen Endbereich möglich, so wird die zum Zurückziehen des Halteelementes in Richtung zur Fersenkappe notwendige Kraft über das Halteelement in dessen vorderen Endbereich geleitet. Des weiteren sind die auf den Fuss wirkenden Kräfte asymmetrisch und die Reibungsverhältnisse zwischen dem Zugorgan, der Fersenkappe und dem Halteelement können zu Verdrehungen der Halteanordnung führen.Such a ski boot is known for example from EP-OS 0 221 483. Arranged in the interior of the shaft of this ski boot is a holding element which covers the instep in the form of a saddle and a heel cap which is integrally formed therewith and surrounds the heel from behind. This holding arrangement thus encompasses the heel, a first, inner side of the foot and the instep. On the second foot side opposite this first foot side, a loop formed at the end of a pulling element is fixed to the holding element in the upper end region. This loop runs along the second foot side to the heel counter, is guided around it and ends on the first foot side, after which the traction element is deflected towards the sole and from there runs over the front end region of the holding element to a drive arrangement. The end of the traction element on this side is fixed to a drum which can be rotated by means of an electric motor. When the traction element is wound onto the drum, the holding element is pulled against the heel counter in the area of the loop on the second foot side and the holding element is tensioned against the sole in the front end area. To release the traction element, the drum is rotated in the opposite direction. With this ski boot, an optimal adjustment of the holding element in the upper end area is only possible as a function of the front end area, so that the retraction of the holding element in the direction force required for the heel counter passed over the holding element in its front end region. Furthermore, the forces acting on the foot are asymmetrical and the frictional relationships between the traction element, the heel counter and the holding element can lead to twisting of the holding arrangement.

Weiter ist in der EP-A-O 186 197 ein Skischuh offenbart, dessen Schale aus zwei Hälften besteht, die mit einem Zugsystem auf symmetrische Weise Zusammengezogen werden können. Ein erstes Zugorgan ist in seinem einen Endbereich zu einer in sich geschlossenen Schlaufe geformt, die die Schale im Vorfussbereich umgreift. Eine entsprechende Schlaufe eines zweiten Zugorgans umgreift die Schale im Ristbereich. Die beiden Zugorgane sind andernends individuell einstellbar an eine gemeinsame Spannanordnung angelenkt. Sie sind im Bereich der Sohle derart umgelenkt, dass beim Spannen der Zugorgane beide Schlaufen gleichzeitig festgezogen werden.Furthermore, a ski boot is disclosed in EP-AO 186 197, the shell of which consists of two halves which can be pulled together in a symmetrical manner with a pulling system. A first traction element is shaped in its one end region to form a self-contained loop which encompasses the shell in the forefoot region. A corresponding loop of a second pulling element engages around the shell in the instep area. The two tension members are articulated on a common clamping arrangement. They are deflected in the area of the sole in such a way that both loops are tightened simultaneously when the traction members are tensioned.

Aufgabe der vorliegenden Erfindung ist es, einen Skischuh zu schaffen, dessen Haltelement im vorderen. Endbereich gegen die Sohle und im oberen Endbereich gegen die Ferse gespannt wird, wobei die Kräfte auf das Halteelement symmetrisch zur Schuhlängsrichtung einwirken sollen und die Anpassung des Halteelementes an den Fuss im oberen Endbereich weniger abhängig ist von der Anpassung im vorderen Endbereich.The object of the present invention is to provide a ski boot, the retaining element in the front. End area is tensioned against the sole and in the upper end area against the heel, the forces acting on the holding element symmetrically to the longitudinal direction of the shoe and the adaptation of the holding element to the foot in the upper end area is less dependent on the adjustment in the front end area.

Diese Aufgabe wird durch die Merkmale des kennzeichnenden Teils des Anspruches 1 gelöst.This object is achieved by the features of the characterizing part of claim 1.

In einer besonders einfachen und besonders bevorzugten Ausbildungsform werden die zwei Teilschlaufen aus einer einzigen geschlossenen Schlaufe gebildet, die Antriebsanordnung unterteilt diese Schlaufe in die beiden Teilschlaufen und wirkt zwischen den beiden Tellschlaufen auf das Zugorgan ein.In a particularly simple and particularly preferred embodiment, the two partial loops are formed from a single closed loop, the drive arrangement divides this loop into the two partial loops and acts on the tension member between the two tell loops.

Wenn die Länge der geschlossenen Schlaufe einstellbar ist, so wird die Anpassung des Halteelementes an jede Fussform ermöglicht.If the length of the closed loop is adjustable, the adaptation of the holding element to any foot shape is made possible.

Nach den Ausführungsformen gemäss den Ansprüchen 4 und 5 werden die beiden Teilschlaufen derart zu einem Zugteil der Antriebsanordnung geführt, dass die beiden Teilschlaufen miteinander verkleinert oder vergrössert werden. Die Antriebsanordnung kann bei diesen Ausführungsformen besonders einfach ausgeführt sein.According to the embodiments according to claims 4 and 5, the two partial loops thus become a pulling part of the drive arrangement that the two partial loops are reduced or enlarged with each other. The drive arrangement can be particularly simple in these embodiments.

In einer weiteren Ausführungsform weist der Zugteil eine, auf einer vorzugsweise in der Sohle angeordneten, drehbar gelagerten Spindel sitzende Mutter auf, wobei die Drehachse der Spindel im wesentlichen parallel zu den Abschnitten der Teilschlaufen verläuft. Dadurch kann mit sehr kleinem Kraftaufwand für die Drehung der Spindel eine grosse, auf das Halteelement wirkende Kraft erzielt werden. Die Spindel kann somit mittels eines Elektromotors oder eines von der Schuhaussenseite betätigbaren, mit einer flexiblen Welle mit der Spindel wirkverbundenen Drehrades antreibbar sein.In a further embodiment, the pulling part has a nut which is seated on a rotatably mounted spindle, which is preferably arranged in the sole, the axis of rotation of the spindle running essentially parallel to the sections of the partial loops. As a result, a large force acting on the holding element can be achieved with very little effort for the rotation of the spindle. The spindle can thus be driven by means of an electric motor or a rotary wheel which can be actuated from the outside of the shoe and which is operatively connected to the spindle by a flexible shaft.

In einer besonders bevorzugten Ausführungsform verläuft das Zugorgan im Bereich der zweiten Teilschlaufe vom oberen Endbereich des Halteelementes beidseits des Fusses zu einer die Ferse von hinten umgreifenden Fersenkappe und ist, sich im Bereich der Fersenkappe kreuzend, zur Antriebsanordnung geführt. Diese Ausbildungsform vermittelt dem Fuss, insbesondere quer zur Schuhlängsrichtung, einen guten Halt. Besonders, wenn die Fersenkappe in einer Richtung im wesentlichen parallel zur Sohle und quer zur Schuhlängsrichtung elastisch auslenkbar ist, wird die Fersenkappe im Fersenbereich seitlich an den Fuss gedrückt, was den Halt noch vergrössert.In a particularly preferred embodiment, the traction element runs in the region of the second partial loop from the upper end region of the holding element on both sides of the foot to a heel cap that encompasses the heel from behind and is guided to the drive arrangement, crossing in the region of the heel cap. This form of training gives the foot a good grip, especially across the length of the shoe. Particularly when the heel counter can be elastically deflected in a direction essentially parallel to the sole and transversely to the longitudinal direction of the shoe, the heel counter is pressed laterally against the foot in the heel region, which further increases the grip.

Besonders einfach kann die Länge der geschlossenen Schlaufe eingestellt werden, wenn das Zugorgan aufgetrennt ist und einerends am Halteelement fixiert und andernends mit einem, am Halteelement angeordneten Längeneinstellelement wirkverbunden ist.The length of the closed loop can be adjusted particularly easily if the tension member is opened and fixed on one end to the holding element and the other is operatively connected to a length adjustment element arranged on the holding element.

In einer weiteren Ausführungsform übergreift ein Bügel, dessen Abstand zum Halteelement in einer Richtung quer zur Sohle einstellbar ist, das Halteelement zwischen dem vorderen und oberen Endbereich in einer Ebene im wesentlichen quer zur Schuhlängsrichtung und das Zugorgan ist von der Antriebsanordnung zu Führungen in den Endbereichen des Bügels und von dort in Richtung zur Sohle und zu einer Umlenkstelle und von dieser um den vorderen Endbereich des Halteelementes geführt. Einerseits wird dadurch die Krafteinwirkung auf das Halteelement auf drei Bereiche verteilt und anderseits kann bei dieser Ausführungsform das Zugorgan eine geschlossene Schlaufe bilden, deren Länge nicht einstellbar ist und trotzdem, unabhängig von der Anatomie des Fusses, das Halteelement immer mit genügend Kraft gegen den Rist gezogen werden kann.In a further embodiment, a bracket, whose distance to the holding element can be adjusted in a direction transverse to the sole, engages between the front and upper end region in a plane substantially transversely to the longitudinal direction of the shoe, and the pulling element is from the drive arrangement to guides in the end regions of the Bracket and from there towards the sole and to a deflection point and from this to the front end region of the holding element. On the one hand, the force acting on the holding element is distributed over three areas, and on the other hand, in this embodiment, the traction element can form a closed loop, the length of which cannot be adjusted and, regardless of the anatomy of the foot, the holding element is always pulled against the instep with sufficient force can be.

Weitere bevorzugte Ausführungsformen sind in den weiteren abhängigen Ansprüchen angegeben.Further preferred embodiments are specified in the further dependent claims.

Im folgenden wird anhand der Zeichnung die Erfindung näher erläutert. Es zeigen rein schematisch:

Fig. 1
einen als durchsichtig angenommenen und perspektivisch dargestellten Skischuh mit einem Halteelement und einer Fersenkappe, welche mittels eines, zwei Teilschlaufen bildenden Zugorgans betätigbar sind,
Fig. 2
in Seitenansicht einen Skischuh, dessen Schaft nicht gezeigt ist, mit einem Halteelement und einer Fersenkappe ähnlich der Fig. 1, wobei das Halteelement von einem Bügel umgriffen wird, um dessen Endbereiche das Zugorgan geführt ist,
Fig. 3 und 4
in Draufsicht bzw. einem Schnitt entlang der Linie IV-IV der Fig. 3 in vergrösserter Darstellung gegenüber den Figuren 1 und 2, die in der Sohle angeordnete Antriebsanordnung, und
Fig. 5 und 6
in Ansicht bzw. einem Schnitt entlang der Linie VI-VI der Fig. 5 den vorderen Endbereich des Halteelementes mit einem Längeneinstellelement für die Verkürzung bzw. Verlängerung des eine geschlossene Schlaufe bildenden Zugorgans.
The invention is explained in more detail below with reference to the drawing. It shows purely schematically:
Fig. 1
a ski boot assumed to be transparent and shown in perspective with a holding element and a heel cap which can be actuated by means of a pulling element forming two part loops,
Fig. 2
in side view a ski boot, the Shaft is not shown, with a holding element and a heel cap similar to FIG. 1, the holding element being encompassed by a bracket, around the end regions of which the pulling element is guided,
3 and 4
In plan view or a section along the line IV-IV of FIG. 3 in an enlarged view compared to Figures 1 and 2, the drive arrangement arranged in the sole, and
5 and 6
in view or a section along the line VI-VI of FIG. 5, the front end region of the holding element with a length adjusting element for shortening or lengthening the pulling element forming a closed loop.

In der Fig. 1 ist ein als durchsichtig angenommener Skischuh 10 perspektivisch dargestellt. Er weist einen Schaft 12, eine Sohle 14 und einen, im Innern des Schaftes angeordneten gepolsterten Innenschuh 16 auf. Vom Schaft 12 bzw. dem Innenschuh 16 sind nur teilweise die Umrisse angegeben. Im Innern des Schaftes 12 ist ein, den Innenschuh im Ristbereich überdeckendes Halteelement 18 vorgesehen, und im Fersenbereich ist an der Sohle 14 eine auf den Innenschuh 16 einwirkende, die Ferse von hinten umgreifende Fersenkappe 20 angeordnet. In der Sohle 14 ist eine ortsfeste Spindel 22 drehbar gelagert, deren Längsachse 24 parallel zur Schuhlängsrichtung A verläuft. Mit der Spindel 22 ist die Welle eines Stellmotors 26 drehfest verbunden. Der Stellmotor ist mittels eines nicht dargestellten Schaltelementes mit einer ebenfalls nicht dargestellten, im Schuh beispielsweise in der Sohle angeordneten Batterie oder Akkumulator elektrisch verbindbar. Auf der Spindel 22 sitzt eine Mutter 28, die in nicht dargestellter Weise in der Sohle 14 in Schuhlängsrichtung A verschiebbar, aber drehfgest gelagert ist. Ein Zugorgan 30 ist im Innern des Skischuhs 10 derart geführt, dass es zwei Teilschlaufen 32 und 34 bildet. Die erste Teilschlaufe 32 übergreift das Halteelement 18 in dessen vorderem Endbereich 36, ist beidseits des Vorfusses zur Sohle 14 geführt, wird dort umgelenkt und verläuft in der Sohle 14 ungefähr parallel zur Schuhlängsrichtung A auf beiden Seiten des Stellmotores 16 und der Mutter 28 vorbei gegen den Fersenbereich des Skischuhes 10, wird dort wiederum auf in dieser Figur nicht näher dargestellte Weise umgelenkt und verläuft parallel zur Schuhlängsrichtung A zurück zur Mutter 28. Die zweite Teilschlaufe 34 ist im oberen Endbereich 38 des Halteelementes 18 um dieses herumgeführt und verläuft beidseits des Fusses zu, an der Fersenkappe 20 seitlich angeordneten Führungselementen 40. Das Zugorgan 30 verläuft von jedem Führungselement 40 jeweils um die Fersenkappe 20 herum auf die andere Seite des Skischuhs 10, so dass es sich im Bereich der Fersenkappe 20 kreuzt, und verläuft von dort ungefähr parallel zur Schuhlängsrichtung A in der Sohle 14 zur Mutter 28. Das Zugorgan 30 wird in der Mutter 28, wie dies gestrichelt dargestellt ist, zweimal um 180° umgelenkt, so dass jeweils ein im wesentlichen parallel zur Schuhlängsrichtung A zur Mutter 28 verlaufender Abschnitt 42 der ersten Teilschlaufe 32 mit einem jeweiligen entsprechenden Abschnitt 44 der zweiten Teilschlaufe 34 verbunden ist. Das Zugorgan 30 bildet folglich eine einzige geschlossene Schlaufe, welche derart geführt ist, dass sich zwei Teilschlaufen 32, 34 bilden, die gleichzeitig durch Verschieben der Mutter 28 in Schuhlängsrichtung A vergrössert oder verkleinert werden. Um die Grösse der beiden Teilschlaufen 32, 34 an die individuelle Anatomie des Fusses anzupassen, ist das Zugorgan 30 in der Mutter 28 jeweils gleitend geführt.In Fig. 1, a ski boot 10 assumed to be transparent is shown in perspective. It has a shaft 12, a sole 14 and a padded inner shoe 16 arranged in the interior of the shaft. The outlines of the shaft 12 and the inner shoe 16 are only partially indicated. Provided in the interior of the shaft 12 is a holding element 18 which covers the inner shoe in the instep area, and in the heel area a heel cap 20 which acts on the inner shoe 16 and surrounds the heel from behind is arranged on the sole 14. A stationary spindle 22 is rotatably mounted in the sole 14, the longitudinal axis 24 of which runs parallel to the longitudinal direction A of the shoe. With the spindle 22, the shaft of a servomotor 26 is rotatably connected. The servomotor is by means of a switching element, not shown, with a battery or accumulator, also not shown, arranged in the shoe, for example in the sole, can be electrically connected. On the spindle 22 sits a nut 28, which is displaceable in the sole 14 in the longitudinal direction A of the shoe in a manner not shown, but is mounted in a rotational manner. A traction element 30 is guided inside the ski boot 10 in such a way that it forms two partial loops 32 and 34. The first partial loop 32 overlaps the holding element 18 in its front end region 36, is guided on both sides of the forefoot to the sole 14, is deflected there and runs in the sole 14 approximately parallel to the longitudinal direction A of the shoe on both sides of the servomotor 16 and the nut 28 against the Heel region of the ski boot 10 is deflected there again in a manner not shown in this figure and runs parallel to the longitudinal direction A of the shoe 28 back to the nut 28. The second partial loop 34 is guided around the holding element 18 in the upper end region 38 and runs on both sides of the foot, on the heel counter 20 laterally arranged guide elements 40. The tension member 30 runs from each guide element 40 around the heel counter 20 to the other side of the ski boot 10 so that it crosses in the area of the heel counter 20, and runs from there approximately parallel to the longitudinal direction of the shoe A in the sole 14 to the mother 28. The traction element 30 is deflected twice in the nut 28 by 180 °, as shown in dashed lines, so that in each case a section 42 of the first partial loop 32 which runs essentially parallel to the shoe longitudinal direction A to the nut 28 is connected to a respective corresponding section 44 of the second partial loop 34 is. The traction element 30 consequently forms a single closed loop, which is guided in such a way that two partial loops 32, 34 are formed, which are enlarged or reduced at the same time by moving the nut 28 in the longitudinal direction A of the shoe. In order to adapt the size of the two partial loops 32, 34 to the individual anatomy of the foot, the pulling element 30 is slidably guided in the nut 28.

In der Fig. 2 ist weder der Schaft 12, noch die Sohle 14, noch der Innenschuh 16 dargestellt; der Fuss des Skifahrers ist gestrichelt angedeutet. Der Einfachheit halber sind nur die im Innern des Schaftes 12 und in der Sohle 14 angeordneten Teile angegeben. Das Halteelement 18 überdeckt sattelförmig den Ristbereich und an einem in der Sohle 14 angeordneten Keil 46 ist die in Schuhlängsrichtung A elastisch auslenkbare Fersenkappe 20 befestigt. Das Halteelement 18 wird zwischen dem vorderen und oberen Endbereich 36 bzw. 38 von einem Bügel 48 U-förmig umgriffen. An den, in Schuhlängsrichtung A gesehen, beidseits des Halteelementes 18 nach unten gerichteten Bügelenden 50 sind Führungen 52 für das Zugorgan 30 angeordnet. In der Mitte des Bügels 48, zwischen den beiden Bügelenden 50, ist eine Stellschraube 54 gelagert, deren freies Ende sich am Halteelement 18 abstützt. Die Stellschraube 54 weist einen flachen, grossflächigen Kopf auf, damit die Schraube problemlos von Hand gedreht werden kann. Mit der Stellschraube 54 ist der Abstand quer zur Sohle 14 zwischen dem Bügel 48 und dem Halteelement 18 einstellbar.2 shows neither the shaft 12, nor the sole 14, nor the inner shoe 16; the skier's foot is indicated by dashed lines. For the sake of simplicity, only the parts arranged inside the shaft 12 and in the sole 14 are indicated. The holding element 18 covers the instep area in a saddle shape and the heel cap 20, which can be deflected in the longitudinal direction A of the shoe, is fastened to a wedge 46 arranged in the sole 14. The holding element 18 is gripped in a U-shaped manner between the front and upper end regions 36 and 38 by a bracket 48. Guides 52 for the traction element 30 are arranged on the temple ends 50, which are directed downward on both sides of the holding element 18, in the longitudinal direction A of the shoe. In the middle of the bracket 48, between the two bracket ends 50, a set screw 54 is mounted, the free end of which is supported on the holding element 18. The set screw 54 has a flat, large-area head, so that the screw can be turned easily by hand. With the adjusting screw 54, the distance transversely to the sole 14 between the bracket 48 and the holding element 18 can be adjusted.

Im oberen Endbereich 38 weist das Halteelement 18 einen, in Richtung gegen das Schienbein gerichteten elastischen Lappen 56 auf, mittels welchem das Halteelement 18 am in der Fig. 2 nicht dargestellten Schaft 12 fixiert ist. Das Zugorgan 30 ist im oberen bzw. vorderen Endbereich 38, 36 in am Halteelement 18 angeformten Führungen gelagert. Aehnliche Führungselemente 40 sind an der, auch im wesentlichen in einer Richtung parallel zur Sohle 14 und quer zur Schuhlängsrichtung A elastisch auslenkbaren Fersenkappe 20 angeformt (vgl. auch Fig. 1).In the upper end region 38, the holding element 18 has an elastic tab 56 directed towards the shin, by means of which the holding element 18 is fixed to the shaft 12, not shown in FIG. 2. The tension member 30 is mounted in the upper or front end region 38, 36 in guides formed on the holding element 18. Similar guide elements 40 are formed on the heel cap 20, which can also be deflected elastically, also essentially in a direction parallel to the sole 14 and transversely to the longitudinal direction of the shoe A (cf. also FIG. 1).

Im Keil 46 ist eine Antriebsanordnung 58 vorgesehen, welche die Spindel 22, den Stellmotor 26 sowie die Mutter 28 aufweist. Im Keil 46 sind Ausnehmungen 60 für das Zugorgan 30 vorhanden.In the wedge 46, a drive arrangement 58 is provided, which has the spindle 22, the servomotor 26 and the nut 28. In the wedge 46 there are recesses 60 for the tension member 30.

Auch beim Skischuh 10 gemäss der Fig. 2 bildet das Zugorgan 30 eine erste und eine zweite Teilschlaufe 32 bzw. 34. Die erste Teilschlaufe 32 ist in den oben erwähnten Führungen über das Halteelement 18 im vorderen Endbereich 36 geführt, verläuft dort zum Keil 36, wird in den Ausnehmungen 60 umgelenkt, ist beidseits des Fusses zu den Führungen 52 im Bügel 48 geführt und verläuft von dort durch weitere Ausnehmungen 60 in analoger Weise, wie das weiter oben beschrieben und in der Fig. 1 gezeigt ist, zur Mutter 28 der Antriebsanordnung 58. In der Mutter 28 wird das Zugorgan 30 wieder nach hinten umgelenkt, verläuft sich kreuzend in den Führungselementen 40 um die Fersenkappe 20 und von dort beidseits des Fusses zum oberen Endbereich 38 des Halteelementes 18. Im Vorfussbereich kann das Zugorgan 30, sich auch im Keil 46 kreuzend, jeweils auf die andere Seite des Fusses geführt werden und von dort zu den Führungen 52 im Bügel 48 verlaufen.2, the traction element 30 also forms a first and a second partial loop 32 and 34, respectively. The first partial loop 32 is guided in the guides mentioned above over the holding element 18 in the front end region 36, runs there to the wedge 36, is deflected in the recesses 60, is guided on both sides of the foot to the guides 52 in the bracket 48 and runs from there through further recesses 60 in an analogous manner, as described above and shown in FIG. 1, to the nut 28 of the drive arrangement 58. In the nut 28, the traction element 30 is redirected backwards, intersecting in the guide elements 40 around the heel cap 20 and from there on both sides of the foot to the upper end region 38 of the holding element 18. In the forefoot region, the traction element 30 can also be in the Crossing wedge 46, each on the other side of the foot are guided and from there to the guides 52 in the bracket 48.

Das Einsteigen in den Skischuh und das Festziehen des Halteelementes 18 bzw. der Fersenkappe 20 verläuft wie folgt: Um in den Skischuh 10 einsteigen zu können, wird die Mutter 28 durch Drehen der Spindel 22 mittels des Stellmotors 26 in den Bereich der hinteren Endlage gebracht. Dadurch wird das Zugorgan 30 gelöst, und die beiden Teilschlaufen 32, 34 werden vergrössert. Infolge der Vergrösserung der Teilschlaufen 32 und 34 ist genügend Platz geschaffen worden, um problemlos in den Skischuh 10 einsteigen zu können. Nun wird mittels des Stellmotors 26 die Spindel 22 in Gegenrichtung gedreht, so dass die Mutter 28 in Schuhlängsrichtung A gegen die Schuhspitze verschoben wird. Dadurch ziehen sich die beiden Teilschlaufen 32, 34 zusammen, so dass der Innenschuh 16 mittels des Halteelementes 18 und der Fersenkappe 20 satt an den Fuss zur Anlage kommt. Es wird dadurch ein schmerzfreier, sicherer Sitz des Fusses im Sckischuh 10 erreicht.Getting into the ski boot and tightening the holding element 18 or the heel counter 20 proceeds as follows: In order to be able to get into the ski boot 10, the nut 28 is brought into the region of the rear end position by turning the spindle 22 by means of the servomotor 26. As a result, the tension member 30 is released and the two partial loops 32, 34 are enlarged. As a result of the enlargement of the partial loops 32 and 34, sufficient space has been created to be able to get into the ski boot 10 without problems. Now the spindle 22 is rotated in the opposite direction by means of the servomotor 26, so that the nut 28 is displaced in the longitudinal direction A of the shoe against the tip of the shoe. As a result, the two partial loops 32, 34 pull together, so that the inner shoe 16 comes into abutment with the foot by means of the holding element 18 and the heel cap 20. A pain-free, secure fit of the foot in the ski boot 10 is thereby achieved.

Durch die Führung der zweiten Teilschlaufe 34 um den Fuss und das Halteelement 18 herum zu den Führungselementen 40 an der Fersenkappe 20, und der anschliessend gekreuzten Führung des Zugorganes 30 wird die elastisch verformbare Fersenkappe 20 seitlich in einer Richtung im wesentlichen Parallel zur Sohle 14 und quer zur Schuhlängsrichtung A gegen die Ferse gepresst, was einen besonders guten Halt im Fersenbereich zur Folge hat.By guiding the second partial loop 34 around the foot and the holding element 18 to the guide elements 40 on the heel cap 20, and the subsequently crossed guide of the traction element 30, the elastically deformable heel cap 20 becomes laterally in a direction essentially parallel to the sole 14 and transversely pressed against the heel to the longitudinal direction of the shoe, which results in a particularly good hold in the heel area.

Mittels der Stellschraube 54 (s. Fig. 2) kann der Abstand quer zur Sohle 14 zwischen dem Bügel 48 und dem Halteelement 18 vergrössert bzw. verkleinert werden. Falls bei einem niederen Rist die Länge der Spindel 22 nicht ausreicht um das Zugorgan 30 genügend spannen zu können, kann der Abstand zwischen dem Bügel 48 und dem Halteelement 18 vergrössert werden, so dass eine genügend grosse Zugspannung im Zugorgan 30 ermöglicht wird. Bei einem hohen Rist hingegen liegt der Bügel 48 am Halteelement 18 an. Die Einstellung des Bügels 48 mit der Stellschraube 54 ist nur ein einziges Mal notwendig, da der Hub der Spindel 22 genügend gross ist, um das Einsteigen in den Schuh bzw. das Festziehen des Halteelementes 18 und der Fersenkappe 20 bei einer festen Länge des Zugorgans 30 zu ermöglichen.By means of the adjusting screw 54 (see FIG. 2), the distance transversely to the sole 14 between the bracket 48 and the holding element 18 can be increased or decreased. If, with a low instep, the length of the spindle 22 is not sufficient to be able to tension the tension member 30 sufficiently, the distance between the bracket 48 and the holding element 18 can be increased, so that a sufficiently large tension in the tension member 30 is made possible. In the case of a high instep, however, the bracket 48 bears against the holding element 18. The adjustment of the bracket 48 with the adjusting screw 54 is only necessary once, since the stroke of the spindle 22 is large enough to get into the shoe or tighten the holding element 18 and the heel cap 20 with a fixed length of the pulling element 30 to enable.

In den Figuren 3 und 4 ist die im Keil 46 angeordnete Antriebsanordnung 58 in Draufsicht und in einem Schnitt entlang der Linie IV-IV der Fig. 3 dargestellt. Der Keil 46 weist im Bereich der Antriebsanordnung 58 eine im wesentlichen in Schuhlängsrichtung A verlaufende Ausnehmung 62 auf, in der der Stellmotor 26 sitzt und die Mutter 28 drehfest, aber in Schuhlängsrichtung A verschiebbar geführt ist. Mit der Welle des Stellmotores 26 ist die Spindel 22 drehfest verbunden, welche an ihrem, dem Stellmotor 26 abgekehrten Endbereich drehbar, aber in Schuhlängsrichtung A nicht verschiebbar am Keil 46 gelagert ist. In diesem Endbereich sitzt auf der Spindel 22 ein Anschlag 64 aus Gummi, der ein hartes Anschlagen der Mutter 28 verhindert.FIGS. 3 and 4 show the drive arrangement 58 arranged in the wedge 46 in a top view and in a section along the line IV-IV of FIG. 3. In the area of the drive arrangement 58, the wedge 46 has a recess 62 which extends essentially in the longitudinal direction of the shoe A, in which the servomotor 26 is seated and the nut 28 is guided in a rotationally fixed manner but is displaceable in the longitudinal direction of the shoe A. The spindle 22 is connected in a rotationally fixed manner to the shaft of the servomotor 26 and is rotatably mounted on the wedge 46 at its end region facing away from the servomotor 26, but is not displaceable in the longitudinal direction A of the shoe. In this end region, a stop 64 made of rubber sits on the spindle 22, which prevents the nut 28 from striking hard.

Die Mutter 28 weist zwei, im wesentlichen kreisegmentförmige Nuten 65 auf, in welchen das Zugorgan 30 geführt ist. Im dem Stellmotor 26 entfernten Endbereich der Ausnehmung 62 sind beidseits dieser Ausnehmung um senkrecht zur Sohle 14 verlaufende Achsen Umlenkrollen 68 drehbar gelagert. Weitere Umlenkrollen 70 sind seitlich der Ausnehmung 62 im Bereich des Stellmotores 26 um ebenfalls senkrecht zur Sohle 14 verlaufende Achsen drehbar gelagert. Das Zugorgan 30 der ersten Teilschlaufe 34 verläuft von der Fersenkappe 20 herkommend mit seinen Abschnitten 44 ungefähr parallel zur Schuhlängsrichtung A zur Mutter 28, wird dort in dem Nuten 65 um 180° umgelenkt und läuft von dort mit den zur ersten Teilschlaufe 32 gehörenden Abschnitten 42 zu den Umlenkrollen 68, ist um diese herumgeführt, verläuft zu den Umlenkrollen 70 und von dort quer zur Schuhlängsrichtung A gegen aussen. Das Zugorgan 30 ist in der Mutter 28 gleitend gelagert, so dass ein Ausgleich der Grösse der beiden Teilschlaufen 32 und 34 möglich ist. Weiter können im Bereich der Ausnehmung 62 Endschalter vorgesehen sein, die den Stellmotor 26 abschalten, sobald die Mutter 28 eine Endlage auf der Spindel 22 erreicht hat, damit der Stellmotor nicht überlastet werden kann.The nut 28 has two, substantially circular segment-shaped Grooves 65 in which the tension member 30 is guided. In the end region of the recess 62 remote from the servomotor 26, deflection rollers 68 are rotatably mounted on both sides of this recess about axes perpendicular to the sole 14. Further deflection rollers 70 are mounted to the side of the recess 62 in the area of the servomotor 26 so as to be rotatable about axes also perpendicular to the sole 14. The traction element 30 of the first partial loop 34 runs from the heel counter 20 with its sections 44 approximately parallel to the shoe longitudinal direction A to the nut 28, is deflected there by 180 ° in the grooves 65 and runs from there with the sections 42 belonging to the first partial loop 32 the deflection rollers 68, which is guided around them, runs to the deflection rollers 70 and from there transversely to the shoe longitudinal direction A to the outside. The tension member 30 is slidably mounted in the nut 28 so that a compensation of the size of the two partial loops 32 and 34 is possible. Furthermore, limit switches can be provided in the area of the recess 62, which switch off the servomotor 26 as soon as the nut 28 has reached an end position on the spindle 22 so that the servomotor cannot be overloaded.

In den Figuren 5 und 6 ist in Seitenansicht bzw. entlang einem Schnitt der Linie VI-VI der Fig. 5 der vordere Endbereich 36 eines Halteelementes 18 gezeigt. Dieses Halteelement 18 weist ein Längeneinstellelement 72 auf, mit welchem die Länge des Zugorganes 30 verstellt werden kann. In einer, gegen den, in dieser Figur nicht dargestellten, Schaft 12 vorstehenden Ausbuchtung 74 des Halteelementes 18 ist ein Schneckenrad 76 um eine Achse parallel zur Sohle 14 und quer zur Schuhlängsrichtung A drehbar gelagert. Das Schneckenrad 76 ist mittels eines flexiblen Uebertragungsgliedes 78 mit einem in den Figuren 5 und 6 nicht dargestellten Drehorgan wirkverbunden, mit welchem das Schneckenrad in beiden Drehrichtungen gedreht werden kann. Das Zugorgan 30 (vgl. Fig. 1) ist im Bereich der ersten Teilschlaufe 32 im Bereich des vorderen Endbereiches 36 des Halteelementes 18 aufgetrennt. Ein erstes Zugorganende 80 ist im Bereich der Ausbuchtung 74 am Halteelement 18 fixiert. Das zweite Zugorganende 82 weist ein Band 84 mit einer quer zur Bandlängserstreckung gerichteten Verzahnung 86 auf. Das Band 84 liegt am Haltelement 18 an und ist durch seitliche Oeffnungen 88 in der Ausbuchtung 74 durch diese hindurchgeführt. Die Verzahnung 86 wirkt mit dem Schneckenrad 76 zusammen und hält dieses zugleich in der Ausbuchtung 74 fest. Durch Drehen des Schneckenrades 76 wird das Band 84 in Pfeilrichtung B verschoben, was eine Vergrösserung bzw. eine Verkleinerung der aus den beiden Teilschlaufen 32 und 34 bestehenden Schlaufe zur Folge hat.FIGS. 5 and 6 show the front end region 36 of a holding element 18 in a side view or along a section along the line VI-VI in FIG. 5. This holding element 18 has a length setting element 72, with which the length of the pulling element 30 can be adjusted. In a bulge 74 of the holding element 18 projecting against the shaft 12, which is not shown in this figure, there is a worm wheel 76 about an axis parallel to the sole 14 and transversely to the longitudinal direction A of the shoe rotatably mounted. The worm wheel 76 is operatively connected by means of a flexible transmission member 78 to a rotating member, not shown in FIGS. 5 and 6, with which the worm wheel can be rotated in both directions of rotation. The tension member 30 (see FIG. 1) is separated in the area of the first loop part 32 in the area of the front end area 36 of the holding element 18. A first traction element end 80 is fixed in the region of the bulge 74 on the holding element 18. The second traction member end 82 has a band 84 with a toothing 86 directed transversely to the longitudinal direction of the band. The band 84 abuts the holding element 18 and is guided through the opening 74 in the bulge 74. The toothing 86 interacts with the worm wheel 76 and at the same time holds it in the bulge 74. By turning the worm wheel 76, the band 84 is displaced in the direction of arrow B, which results in an enlargement or a reduction in the size of the loop consisting of the two partial loops 32 and 34.

Die Wirkungsweise des Längeneinstellelementes 72 ist ähnlich jener des Bügels 48 der Fig. 2. Durch einmalige Einstellung der Schlaufengrösse mittels des Längeneinstellelementes 72 kann erreicht werden, dass, unabhängig von der Risthöhe, eine geringe Länge der Spindel 22 ausreicht, um ein Einsteigen in den Skischuh 10 zu ermöglichen und trotzdem das Halteelement 18 und die Fersenkappe 20 satt an den Fuss zu ziehen.The mode of operation of the length adjustment element 72 is similar to that of the bracket 48 in FIG. 2. By adjusting the loop size once by means of the length adjustment element 72, it can be achieved that, regardless of the instep height, a short length of the spindle 22 is sufficient to get into the ski boot 10 enable and still pull the retaining element 18 and the heel cap 20 to the foot.

Es ist durchaus verständlich, dass bei genügender Länge der Spindel 22 auf einen Bügel 48 (s. Fig. 2) oder ein Längeneinstellelement 72 (s. Figuren 5 und 6) verzichtet werden kann. Es ist auch möglich, dass das Zugorgan 30 auf andere Weise geführt ist, wesentlich ist jedoch, dass mittels eines einzigen Zugteils (Mutter 28) die Grösse der Teilschlaufen 32 und 34 vergrössert bzw. verkleinert werden kann. Das Zugorgan 30 kann in der Mutter 28 fixiert sein, was jedoch bedingt, dass mindestens in einer der beiden Teilschlaufen 32 oder 34 die Länge dieser Teilschlaufen, beispielsweise mittels eines Bügels 48 (s. Fig. 2) oder eines Längeneinstellelementes 72 (s. Figuren 5 und 6) einstellbar ist, um unabhängig von der Anatomie das Halteelement 18 bzw. die Fersenkappe 20 satt an den Fuss zu pressen.It is quite understandable that with a sufficient length of the spindle 22 on a bracket 48 (see FIG. 2) or a Length adjustment element 72 (see FIGS. 5 and 6) can be dispensed with. It is also possible for the pulling element 30 to be guided in a different way, but it is essential that the size of the partial loops 32 and 34 can be enlarged or reduced by means of a single pulling part (nut 28). The traction element 30 can be fixed in the nut 28, but this means that the length of these partial loops in at least one of the two partial loops 32 or 34, for example by means of a bracket 48 (see FIG. 2) or a length adjustment element 72 (see figures) 5 and 6) can be adjusted in order to press the holding element 18 or the heel cap 20 against the foot regardless of the anatomy.

Anstelle des Stellmotors 26 kann die Spindel 22 beispielsweise mit einer flexiblen Welle wirkverbunden sein, welche mit einem, von der Schuhaussenseite her bedienbaren Drehrad verbunden ist. Ein solches Drehrad kann irgendwo am Schaft 12 angeordnet sein. Weiter ist es möglich, einen Zugteil, der ähnlich ausgebildet sein kann wie die Mutter 28, mittels eines von der Schuhaussenseite betätigbaren Hebelsystemes zu verschieben.Instead of the servomotor 26, the spindle 22 can, for example, be operatively connected to a flexible shaft which is connected to a rotary wheel which can be operated from the outside of the shoe. Such a rotary wheel can be arranged anywhere on the shaft 12. It is also possible to move a pulling part, which can be designed similarly to the nut 28, by means of a lever system which can be actuated from the outside of the shoe.

Es ist auch denkbar, einen Zugteil mittels einer pneumatischen oder hydraulischen Antriebsanordnung zu bewegen. So kann der Zugteil beispielsweise mit dem Kolben eines Kolben-Zylinderaggregates verbunden sein. Eine Pumpen-und Ventilanordnung für die Ansteuerung dieses Kolben-Zylinderaggregates kann von der Schuhaussenseite bedienbar am Schaft angeordnet sein.It is also conceivable to move a pulling part by means of a pneumatic or hydraulic drive arrangement. For example, the pulling part can be connected to the piston of a piston-cylinder unit. A pump and valve arrangement for controlling this piston-cylinder unit can be arranged on the shaft so that it can be operated from the outside of the shoe.

Bei Skischuhen 10 ohne Fersenkappen 20 kann die zweite Teilschlaufe 34 mittels vorzugsweise am Schaft 14 angeordneten Umlenkorganen gegen den Fersenbereich geführt und von dort zur Antriebsanordnung 58 umgelenkt werden.In ski boots 10 without heel caps 20, the second one Partial loop 34 is guided against the heel region by means of deflection members preferably arranged on the shaft 14 and are deflected from there to the drive arrangement 58.

Die Antriebsanordnung 58 mit dem Stellmotor 26, der Spindel 22, der Mutter 28 und den Umlenkrollen 68, 70 kann auch in einem Einsatz angeordnet sein, der in den Keil 46 oder direkt in die Sohle 14 eingesetzt werden kann.The drive arrangement 58 with the servomotor 26, the spindle 22, the nut 28 and the deflection rollers 68, 70 can also be arranged in an insert which can be inserted into the wedge 46 or directly into the sole 14.

Claims (16)

  1. Ski boot having an upper (12) and a sole (14), having a retaining element (18) which is arranged inside the upper (12) and covers the instep in the form of a saddle, and having a tension member (30) which can be braced and released again by means of a drive arrangement (58), which tension member (30) in the front end region (36) of the retaining element (18), is guided over the latter and runs towards the sole (14), and, in the top end region (38) of the retaining element (18), acts on the latter, pulling rearwards, the tension member (30) forming two part-loops (32, 34) which are connected to the drive arrangement (58), the first part-loop (32) being guided in the front end region (36) over the retaining element (18) and the second part-loop acting in the top end region (38) on the retaining element (18), and it being possible to fasten and release the said part-loops at the same time by means of the drive arrangement (58), characterised in that, by means of a tension part (28) of the drive arrangement (58), which part can be moved for bracing in one direction and for releasing in the other direction, the tension member (30) is deflected, and movably relative to the said tension part, and is thus subdivided into the two part-loops (32, 34), and the tension member (30) is also guided over the retaining element (18) in the top end region (38) of the same.
  2. Ski boot according to Claim 1, characterised in that the tension member (30) forms a single continuous loop which is subdivided by the tension part (28) into the two part-loops (32, 34).
  3. Ski boot according to Claim 2, characterised in that the effective length of the complete tension member (30) can be adjusted.
  4. Ski boot according to one of Claims 1 or 2, characterised in that portions (42, 44) of the part-loops (32, 34) in the region of the drive arrangement (58) are guided, essentially parallel to each other, and preferably in the longitudinal direction (A) of the boot, to the tension part (28) of the drive arrangement (58), which part can be displaced essentially in the direction of these portions (42, 44).
  5. Ski boot according to Claim 4, characterised in that the tension member (30) in the tension part (28) is deflected essentially by 180° at least once, preferably twice, and in that the portions (42, 44), of the part-loops (32, 34), leading away from the tension part (28) in pairs each form a portion (42, 44) of the first and second part-loops (32, 34).
  6. Ski boot according to Claim 5, characterised in that the tension member (30) is guided so as to slide in the tension part (28).
  7. Ski boot according to one of Claims 4 to 6, characterised in that the tension part (28) has a nut sitting on a rotatably mounted spindle (22) which is arranged preferably in the sole (14), the axis (24) of rotation of the spindle (22) running essentially parallel to the portions (42, 44) of the part-loops (32, 34) in the region of the drive arrangement (58).
  8. Ski boot according to Claim 7, characterised in that the spindle (22) can be driven by means of an electric motor (26) or of a rotary wheel which can be actuated from the outer side of the boot and is operatively connected to the spindle by means of a flexible shaft.
  9. Ski boot according to one of Claims 4 to 6, characterised in that the tension part (28) can be displaced by means of a lever system which can be actuated from the outer side of the boot.
  10. Ski boot according to one of Claims 1 to 9, characterised in that, in the region of the second part-loop (34), the tension member (30) runs, on both sides of the foot, from the top end region (38) of the retaining element (18) to a heel cap (20) engaging around the heel from the rear and is guided to the drive arrangement (58) in a manner crossing over itself in the region of the heel cap (20).
  11. Ski boot according to Claim 10, characterised in that the heel cap (20) can be elastically deflected in a direction essentially parallel to the sole (14) and transverse to the longitudinal direction (A) of the boot, and preferably has guiding elements (40) for the tension member (30).
  12. Ski boot according to one of Claims 10 or 11, characterised in that the heel cap (20) can be elastically deflected in the longitudinal direction (A) of the boot.
  13. Ski boot according to Claim 3, characterised in that the tension member (30) forming the continuous loop is separated preferably in the region of the first part-loop (32) and, at one end (80), is fixed on the retaining element (18) and, at the other end (82), is operatively connected to a length-adjustment element (72) arranged on the retaining element (18).
  14. Ski boot according to Claim 13, characterised in that the length-adjustment element (72) has a worm gear (76) which is mounted such that it can rotate essentially about an axis, parallel to the sole (14) and transversely to the longitudinal direction (A) of the boot, and which interacts with a strip (84) which is fastened on the tension member (30) and has a toothing (86).
  15. Ski boot according to Claim 14, characterised in that the worm gear (76) is, or can be, operatively connected to a rotary member preferably by means of a flexible transfer element (78).
  16. Ski boot according to Claim 2, characterised in that a bow (48), the distance of which from the retaining element (18) can be adjusted in a direction transverse to the sole (14), engages over the retaining element (18), between the front and top end region (36, 38), in a plane essentially transverse to the longitudinal direction (A) of the boot, and the tension member (30) is guided from the drive arrangement (58) to guides (52) in the end regions (50) of the clip (48), from there in the direction towards the sole (14) and to a deflection point and, from the latter, about the front end region (36) of the retaining element (18).
EP88119452A 1987-12-22 1988-11-23 Ski boot Expired - Lifetime EP0321714B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88119452T ATE100288T1 (en) 1987-12-22 1988-11-23 SKI BOOT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4989/87 1987-12-22
CH4989/87A CH674124A5 (en) 1987-12-22 1987-12-22

Publications (3)

Publication Number Publication Date
EP0321714A2 EP0321714A2 (en) 1989-06-28
EP0321714A3 EP0321714A3 (en) 1991-01-09
EP0321714B1 true EP0321714B1 (en) 1994-01-19

Family

ID=4286018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88119452A Expired - Lifetime EP0321714B1 (en) 1987-12-22 1988-11-23 Ski boot

Country Status (6)

Country Link
US (1) US4922634A (en)
EP (1) EP0321714B1 (en)
JP (1) JPH01204602A (en)
AT (1) ATE100288T1 (en)
CH (1) CH674124A5 (en)
DE (1) DE3887305D1 (en)

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Also Published As

Publication number Publication date
EP0321714A2 (en) 1989-06-28
DE3887305D1 (en) 1994-03-03
EP0321714A3 (en) 1991-01-09
ATE100288T1 (en) 1994-02-15
US4922634A (en) 1990-05-08
CH674124A5 (en) 1990-05-15
JPH0562521B2 (en) 1993-09-08
JPH01204602A (en) 1989-08-17

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