EP3750604B1 - Alpinskibindungsbremse - Google Patents

Alpinskibindungsbremse Download PDF

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Publication number
EP3750604B1
EP3750604B1 EP20175347.2A EP20175347A EP3750604B1 EP 3750604 B1 EP3750604 B1 EP 3750604B1 EP 20175347 A EP20175347 A EP 20175347A EP 3750604 B1 EP3750604 B1 EP 3750604B1
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EP
European Patent Office
Prior art keywords
leg
brake
ski
lever
angled arm
Prior art date
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Application number
EP20175347.2A
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English (en)
French (fr)
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EP3750604A1 (de
Inventor
Bogdan ROZMAN
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Elan doo
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Elan doo
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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C7/00—Devices preventing skis from slipping back; Ski-stoppers or ski-brakes
    • A63C7/10—Hinged stoppage blades attachable to the skis in such manner that these blades can be moved out of the operative position
    • A63C7/1093—Details
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/02—Skis or snowboards collapsible; divided
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C7/00—Devices preventing skis from slipping back; Ski-stoppers or ski-brakes
    • A63C7/10—Hinged stoppage blades attachable to the skis in such manner that these blades can be moved out of the operative position
    • A63C7/1006—Ski-stoppers
    • A63C7/1013—Ski-stoppers actuated by the boot
    • A63C7/102—Ski-stoppers actuated by the boot articulated about one transverse axis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C7/00—Devices preventing skis from slipping back; Ski-stoppers or ski-brakes
    • A63C7/10—Hinged stoppage blades attachable to the skis in such manner that these blades can be moved out of the operative position
    • A63C7/1006—Ski-stoppers
    • A63C7/1013—Ski-stoppers actuated by the boot
    • A63C7/102—Ski-stoppers actuated by the boot articulated about one transverse axis
    • A63C7/1026—Ski-stoppers actuated by the boot articulated about one transverse axis laterally retractable above the ski surface
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C7/00—Devices preventing skis from slipping back; Ski-stoppers or ski-brakes
    • A63C7/10—Hinged stoppage blades attachable to the skis in such manner that these blades can be moved out of the operative position
    • A63C7/1006—Ski-stoppers
    • A63C7/1013—Ski-stoppers actuated by the boot
    • A63C7/1033—Ski-stoppers actuated by the boot articulated about at least two transverse axes
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C7/00—Devices preventing skis from slipping back; Ski-stoppers or ski-brakes
    • A63C7/10—Hinged stoppage blades attachable to the skis in such manner that these blades can be moved out of the operative position
    • A63C7/1006—Ski-stoppers
    • A63C7/1013—Ski-stoppers actuated by the boot
    • A63C7/1033—Ski-stoppers actuated by the boot articulated about at least two transverse axes
    • A63C7/104—Ski-stoppers actuated by the boot articulated about at least two transverse axes laterally retractable above the ski surface
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C2203/00—Special features of skates, skis, roller-skates, snowboards and courts
    • A63C2203/10—Special features of skates, skis, roller-skates, snowboards and courts enabling folding, collapsing

Definitions

  • the invention relates to an alpine ski binding brake, particularly for a folding ski for sporting or military purposes.
  • Alpine ski binding brakes are known from prior art, the purpose of which is to prevent a ski from sliding uncontrollably down the slope while in use, when the safety bindings unbuckle the ski boot due to an excessive shock.
  • Patent US 9 242 167 B2 discloses a ski binding with a brake for backcountry skiing.
  • the brake comprises a brake housing, in which a pair of brake arms are pivotally mounted in their central part, a base, in which the proximal end of the brake arms is pivotally mounted, and a coil spring mounted in the brake housing so as to push the base away from the housing.
  • the ski boot keeps the base pressed down against the force of the spring, and the brake legs are raised above the level of the ski's sliding surface and do not obstruct sliding on the ski slope.
  • the spring pushes the base upwards and the brake legs downwards to a position below the level of the ski's cam surface so that it obstructs or prevents uncontrolled sliding of the ski down the slope.
  • the ski boot In the downhill position, the ski boot is not attached to the heel portion of the binding.
  • the heel portion of the binding rotates to the side, wherein a boss with the sliding surface on the heel portion of the binding causes the heel portion of the binding to move away from the brake housing and at the same time causes a hook to engage with the brake, thus locking the brake in the downhill position, i.e. the position, in which the brake legs are raised above the level of the ski's sliding surface and do not obstruct sliding on the ski slope.
  • a folding ski is also known from prior art. When assembled, a folding ski functions as a classic ski, its advantage being its possibility of being folded and is as such more handy for carrying, transporting and storing.
  • a collapsible ski is disclosed in patent SI 25117 .
  • the ski comprises a ski front section having a front end with a tip bent upwards from the base and a rear end, and a ski rear section having a front end and a rear end with a tail slightly bent upwards, wherein the rear end of the ski front section is inseparably connected with the front end of the ski rear section by means of a folding connection.
  • the folding connection is stiffened by a connecting platform that is pivotally connected to the ski front section or the ski rear section and, when in use, engages the grooves formed on the ski front and rear sections.
  • the upper portion of the connecting platform is provided with bindings for fastening a ski boot.
  • Document EP 2 740 519 A2 discloses a braking device for a touring ski.
  • the device has a brake provided with a continuous central bow to apply elastic return force to return braking branches to a braking position.
  • a blocking device occupies a blocking configuration and a non-blocking configuration in which the brake brakes the ski in the position, where the device is mounted to move relative to the brake so as to occupy the blocking or non-blocking configuration.
  • the blocking device has a blocking element acting on the brake during the actuation of the device by applying an effect of positioning the brake in the non-braking position opposite the force.
  • An independent claim is also included for a heelpiece and braking device assembly for attaching a rear part of a ski boot to a touring ski.
  • Document DE 414 2390 A1 discloses a binding for a jumping ski, which incorporates a release part positioned in guides on a base part, with a guide jaw and a tension piece.
  • the binding for a jumping-ski has a two-part front ski-boot sole holder holding the ski boot toe and possessing a base part fixed to the ski.
  • a release part in guides on the base part can be released crosswise to the ski lengthwise direction and is held by a mechanism in its position of use.
  • the release part consists of a guide jaw with a tension piece with a guide. Parallel to the guide jaw, there are two facing parallel guide flanges cooperating with the base part guides.
  • Document AT 515190A2 discloses a braking device for a touring ski.
  • the device has a brake provided with a lever having a protrusion formed at the other end.
  • a blocking device occupies a blocking configuration and a non-blocking configuration in which the brake brakes the ski in the position, where the device is mounted to move relative to the brake so as to occupy the blocking or non-blocking configuration.
  • the blocking device has a blocking element acting on the brake via the protrusion during the actuation of the device by applying an effect of positioning the brake in a permanent non-braking position.
  • the technical problem is to configure an alpine ski binding brake for a folding ski.
  • An alpine ski binding brake for a folding ski must not obstruct rotation of the connecting platform around the axis when folding the ski, so it must have a lock that locks the brake in the position when the brake legs are raised above the plane of rotation of the folding ski connecting platform. Locking the brake can cause the brake to not be functional when skiing if the skier forgets to release the brake before using the ski, as, in case the ski boot is detached from the ski binding, the brake will not move to the braking position. When the ski boot would be detached from the ski bindings, a ski with a locked brake could slide freely down the slope and endanger other skiers. So, the technical problem is to configure a simple mechanism for an alpine ski binding brake for a folding ski that would allow the brake to be locked, but at the same time prevent the use of skis in the locked position of the brake.
  • an alpine ski binding brake preferably for a folding ski, comprising:
  • an alpine ski binding brake preferably for a folding ski, that comprises:
  • the user presses the step-on plate downwards and rotates the second leg of the angled arm upwards, thus locking the brake in the inactive position.
  • this position of the brake it is possible to rotate the pivotal platform of the folding ski and thus fold the ski.
  • the second leg of the angled arm is rotated upwards, it extends into the area of the ski boot, thus physically preventing the user from clamping the ski boot into the ski binding.
  • the user can only fasten the ski boot into the ski binding when the second leg of the angled arm is rotated downwards by an angle of essentially 90°.
  • the lever with its other end can rotate freely in the brake housing. The brake is therefore no longer locked, and the second leg of the angled arm no longer prevents the ski boot from being attached to the ski binding.
  • the advantage of the alpine ski binding brake of the invention is that the brake can be locked in the upwards retracted position, yet at the same time the use of the skis is prevented in the locked position of the brake.
  • a further advantage of the alpine ski binding brake in the built-in state according to the invention over known ski bindings is that the maintenance of the ski is facilitated, as the brake can be locked in the position when raised above the plane of the folding ski connecting platform, thus allowing a service technician unobstructed access to the lower sliding surface and the edges of the ski to be treated.
  • Said maintenance-related advantage is reflected both in the maintenance of the folding ski as well as in the maintenance of the classic, i.e. unfolding ski.
  • the cut-out 9 in the first leg 8a of the angled arm is formed to a depth of a maximum of 2/3 of the diameter of the first leg of the angled arm, preferably about to half the diameter.
  • the width of the cut-out 9 in the first leg of the angled arm is greater than the width of the protrusion 6 on the lever, preferably by at least 10%, so that the protrusion can pass unobstructed through the cut-out in the unlocked brake position.
  • edges of the protrusion 6 and/or the edges of the cut-out 9 are rounded in the area where they engage each other, resulting in a smoother release of the brake when the angled arm is moved from the locked position of the brake to the unlocked position of the brake.
  • an alpine ski binding brake 1' preferably for a folding ski, said brake comprising:
  • the ridge 11 has a square cross-section with a chamfered edge with an adjacent quarter section of the circle, the quarter section of the circle being arranged in the direction of the second leg 8b' of the angled arm.
  • the groove 10 has a cross-sectional shape that is complementary to the shape of the ridge 11 in cross-section. Such shape of the groove 10 on the lever 5' and of the ridge 11 on the first leg of the angled arm 8a' ensures a smooth engagement/disengagement of the ridge and the groove, while preventing further rotation of the second leg of the angled arm 8b', which would result in the spring 7' being released and thus unlocking the brake.
  • the second leg 8b; 8b' of the angled arm can have any shape, important being only that it locks the insertion of the ski boot into the ski binding when the brake 1; 1' is in the locked state.
  • the spring means 7; 7' can be formed as a torsion coil spring.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (6)

  1. Alpinskibindungsbremse (1; 1'), vorzugsweise für einen Klappski, umfassend:
    ein Bremsgehäuse (2; 2'),
    eine Trittplatte (3; 3'),
    einen Bremsbügel (4; 4'), der am nah gelegenen Ende in der Trittplatte (3; 3') schwenkbar befestigt ist und mit seinem Mittelteil im Bremsgehäuse (2; 2') schwenkbar befestigt ist,
    einen Hebel (5; 5'), der mit einem ersten Ende schwenkbar in der Trittplatte (3; 3') befestigt ist und mit einem zweiten Ende schwenkbar im Bremsgehäuse (2; 2') befestigt ist, sodass die Trittplatte eine angehobene und eine abgesenkte Position einnehmen kann, eine Federeinrichtung (7; 7'), die dazu angeordnet ist, das Bremsgehäuse (2; 2') und die Trittplatte (3; 3') auseinander zu drücken, wobei entweder
    a) der Hebel (5) einen am anderen Ende ausgebildeten Vorsprung (6) aufweist und die Bremse ferner einen im Bremsgehäuse (2) schwenkbar befestigten Winkelarm (8) umfasst, dessen erster Schenkel (8a) parallel zur Befestigungsachse des Hebels, aber beabstandet von dieser ist und dessen zweiter Schenkel (8b) im Wesentlichen rechtwinklig zum ersten Schenkel ausgebildet ist, wobei der erste Schenkel (8a) des Winkelarms im Bereich des Hebelvorsprungs mit einem Ausschnitt (9) versehen ist, der so angeordnet ist, dass der Vorsprung beim Gebrauch ungehindert durch den Ausschnitt (9) hindurchtreten kann, wenn der zweite Schenkel (8b) des Winkelarms parallel zur Skiebene ist, und dass der zweite Schenkel des Winkelarms die Bewegung der Trittplatte von der abgesenkten Position in die angehobene Position verhindert, wenn der zweite Schenkel des Winkelarms rechtwinklig zur Skiebene nach oben gerichtet ist, oder
    b) der Hebel (5') eine Nut (10) aufweist, die in Richtung der Drehachse des Hebels (5') ausgebildet ist, und die Bremse ferner umfasst:
    einen im Bremsgehäuse (2') schwenkbar befestigten Winkelarm (8'), der mit einem ersten Schenkel (8a') parallel zur Befestigungsachse des Hebels (5'), aber beabstandet von dieser ist, und mit einem zweiten Schenkel (8b') im Wesentlichen rechtwinklig zum ersten Schenkel ausgebildet ist, wobei der erste Schenkel (8a') des Winkelarms mit einem Steg (11) entlang des ersten Schenkels versehen ist, der so angeordnet ist, dass er in die Nut (10) am Hebel eingreift, wenn sich die Trittplatte (3') in der abgesenkten Position befindet, wodurch die Drehung des Hebels verhindert wird, wenn der zweite Schenkel (8b') des Winkelarms rechtwinklig nach oben zur Skiebene ausgerichtet ist, und die Drehung des Hebels ungehindert ist, wenn der zweite Schenkel (8b') des Winkelarms parallel zur Skiebene ist.
  2. Bremse (1) nach Anspruch 1 (Option "a"), dadurch gekennzeichnet, dass der Ausschnitt (9) im ersten Schenkel (8a) des Winkelarms bis zu einer Tiefe von maximal 2/3 des Durchmessers des ersten Schenkels des Winkelarms, vorzugsweise etwa bis zur Hälfte des Durchmessers, ausgebildet ist.
  3. Bremse (1) nach Anspruch 1 (Option "a") oder 2, dadurch gekennzeichnet, dass die Breite des Ausschnitts (9) im ersten Schenkel des Winkelarms, vorzugsweise um mindestens 10 %, größer als die Breite des Vorsprungs (6) am Hebel ist.
  4. Bremse (1) nach einem der Ansprüche 1 (Option "a") bis 3, dadurch gekennzeichnet, dass die Kanten des Vorsprungs (6) und/oder die Kanten des Ausschnitts (9) in dem Bereich, in dem sie ineinander greifen, abgerundet sind.
  5. Bremse (1') nach Anspruch 1 (Option "b"), dadurch gekennzeichnet, dass der Steg (11) einen quadratischen Querschnitt mit einer abgeschrägten Kante mit einem angrenzenden Viertelkreisabschnitt aufweist, wobei der Viertelkreisabschnitt in Richtung des zweiten Schenkels (8b') des Winkelarms angeordnet ist und die Nut (10) eine Querschnittsform aufweist, die zur Form des Stegs (11) im Querschnitt komplementär ist.
  6. Bremse (1; 1') nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Federeinrichtung (7; 7') als Torsionsschraubenfeder ausgebildet ist.
EP20175347.2A 2019-06-11 2020-05-19 Alpinskibindungsbremse Active EP3750604B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SI201900112A SI25854A (sl) 2019-06-11 2019-06-11 Zavora za alpske vezi

Publications (2)

Publication Number Publication Date
EP3750604A1 EP3750604A1 (de) 2020-12-16
EP3750604B1 true EP3750604B1 (de) 2024-09-04

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EP20175347.2A Active EP3750604B1 (de) 2019-06-11 2020-05-19 Alpinskibindungsbremse

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EP (1) EP3750604B1 (de)
SI (1) SI25854A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021100316A1 (de) * 2021-01-11 2022-07-14 Salewa Sport Ag Bremsanordnung für eine Tourenbindung
AT526525B1 (de) 2022-10-03 2024-04-15 Tyrolia Tech Gmbh Ferseneinheit einer Skibindung mit einer Skibremse und mit einem Fersenbacken sowie Skibindung, insbesondere Tourenbindung, mit einer derartigen Ferseneinheit
FR3141075A1 (fr) * 2022-10-21 2024-04-26 Skis Rossignol Dispositif de freinage pour une planche de glisse

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT515190A2 (de) * 2013-11-29 2015-06-15 Salewa Sport Ag Ferseneinheit mit Bremsanordnung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538258B1 (fr) * 1982-12-23 1985-06-07 Salomon & Fils F Frein de ski
DE4142390C2 (de) * 1991-08-05 1994-03-10 Silvretta Sherpas Sportartikel Sicherheitsbindung für Sprungski
US6390491B1 (en) * 1999-05-19 2002-05-21 Lemna J. Hunter Downhill ski with integrated binding/traction device
IT1401408B1 (it) * 2010-08-03 2013-07-26 Atk Race Srl Dispositivo di arresto per sci.
FR2999090A1 (fr) * 2012-12-10 2014-06-13 Rossignol Sa Dispositif de freinage pour ski de randonnee
DE102014109601A1 (de) 2013-07-09 2015-01-15 G3 Genuine Guide Gear Inc. Skibindungsferseneinheit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT515190A2 (de) * 2013-11-29 2015-06-15 Salewa Sport Ag Ferseneinheit mit Bremsanordnung

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Publication number Publication date
SI25854A (sl) 2020-12-31
EP3750604A1 (de) 2020-12-16

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