EP2929920A1 - Skibindung - Google Patents

Skibindung Download PDF

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Publication number
EP2929920A1
EP2929920A1 EP15000972.8A EP15000972A EP2929920A1 EP 2929920 A1 EP2929920 A1 EP 2929920A1 EP 15000972 A EP15000972 A EP 15000972A EP 2929920 A1 EP2929920 A1 EP 2929920A1
Authority
EP
European Patent Office
Prior art keywords
stop
shoe
wings
configuration
attachment means
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.)
Withdrawn
Application number
EP15000972.8A
Other languages
English (en)
French (fr)
Inventor
Daniel Soldan
Nicolas Legrand
Alain Berthet
Edwin Meindl
Roland Tiefnig
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.)
Salomon SAS
Original Assignee
Salomon SAS
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
Priority claimed from FR1400867A external-priority patent/FR3019758B1/fr
Priority claimed from FR1400870A external-priority patent/FR3019756B1/fr
Priority claimed from FR1400866A external-priority patent/FR3019757B1/fr
Priority claimed from FR1400868A external-priority patent/FR3019755B1/fr
Application filed by Salomon SAS filed Critical Salomon SAS
Publication of EP2929920A1 publication Critical patent/EP2929920A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/20—Non-self-releasing bindings with special sole edge holders instead of toe-straps
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/0807—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings for both towing and downhill skiing
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08507—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws
    • A63C9/08521—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws pivoting about a vertical axis, e.g. side release
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08507—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws
    • A63C9/08528—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws pivoting about a longitudinal axis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08571—Details of the release mechanism using axis and lever
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/086—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings using parts which are fixed on the shoe of the user and are releasable from the ski binding
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/10—Non-self-releasing toe jaw-irons; Non-self-releasing binding hooks made of one piece
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/22—Arrangements for adjusting the toe-clamps

Definitions

  • the present invention relates to an abutment before attaching a boot to a gliding board adapted for the practice of ski touring.
  • a stop commonly used is described in the document EP-A-0 199 098 .
  • This stop includes a hooking mechanism of a shoe provided with two tips adapted to cooperate with an insert placed on the front part of the sole of the shoe.
  • Each point is fixed on a first arm of a lever articulated about a longitudinal axis and extending substantially upwards.
  • the two levers are arranged symmetrically with respect to a vertical plane passing through the longitudinal axis of the stop.
  • the second arm of a lever extends towards the other lever and is substantially horizontal.
  • the second arms of the levers are connected to the same central part by springs.
  • the attachment mechanism When the attachment mechanism is activated, the common central piece is lowered which causes the pivoting of the levers so as to bring the tips together.
  • the two points are then aligned and cooperate with the shoe.
  • the aligned points define an axis of articulation of the shoe, transverse to the gliding board.
  • the object of the invention is to provide an improved front stop.
  • One aim is notably to propose an alternative lever locking solution.
  • Another object is to provide a front stop to reduce the efforts of the tips on the shoe when it is engaged with the stop.
  • Another goal is to provide a stop before allowing a recovery of side forces more direct with the chassis.
  • Another goal is to propose a front stop whose dimensioning is lightened.
  • the invention proposes an abutment before attaching a boot to a gliding board comprising a first front retainer of said boot intended for climbing a slope, said device comprising means for attaching the boot defining a hinge axis about which pivots the shoe when the front stop is in a mounted configuration, each attachment means being secured to a support arm of a support pivoting about an axis.
  • a second front retainer of said shoe is provided for the descent, said second device comprising two wings, each wing supporting a lateral interface surface adapted to come into contact with a front portion of the boot when the front stop is in a downward configuration .
  • the front stop is characterized in that the abutment comprises at least one recovery element adapted to cooperate with at least one carrier arm of a support so as to limit the spacing of the attachment means to a determined value.
  • the recovery element reduces the kinematic chain connecting the attachment means with the frame.
  • the recovery of effort is more direct.
  • the support arms are less stressed which allows to optimize their dimensioning and thus lighten the structure.
  • the support arms can be designed without requiring significant return effort. As a result, it reduces the efforts of the tips on the shoe when it is engaged with the stop. Thanks to this reduction of effort, less wear of the boot and / or elements of the abutment and better kinematics of the boot during the climbing phases are obtained.
  • the invention also relates to a gliding machine equipped with a front stop as described above.
  • the invention relates to a binding of a boot 5 on a gliding board 4, such as a ski, comprising a rear retaining device of the boot, called “heel piece” and a front retaining device of the boot, called “ stop ".
  • the gliding board 4 comprises an upper surface 41 on which are fixed the elements of the binding and a lower surface 42, or sliding surface, intended to be in contact with the snow.
  • the combination of the shoe 5 with the front stop and / or heel ensures the fastening of the shoe with the gliding board.
  • the gliding device 1 designates the gliding board 4 equipped with a binding.
  • the invention relates more specifically to a stop before 3 of such a fixation.
  • the shoes 5 adapted to the binding according to the invention generally comprise a shell provided with two removable tips attached under the shell, a rear end, located under the heel and a front end, located under the toes.
  • the sole of the shoe is thus formed by the two ends and the lower part of the shell.
  • the shoe will be shown in some figures only by the front end.
  • the invention is not limited to this type of shoe and also relates to other constructions of the shoe, for example, shoes without removable tips, the sole can be integrally formed by the lower part of the shell.
  • the stop before 3 according to the invention is designed primarily for the practice of ski touring although it could also apply to a practice of alpine skiing only. It comprises two front retaining devices of the boot that are alternately used depending on the phase of ski touring: ascent or descent.
  • a first retainer 10 before the front stop is intended for climbing phases. It cooperates with a front portion 52 of the sole 51 of a shoe 5 so as to allow the rotation of the shoe about a hinge axis Y 11 , extending transversely to the gliding board, at the level of the 'before the shoe.
  • the shoe 5 When the shoe 5 is engaged with the first front retainer 10, it can rotate freely about this axis. For this, the heel of the shoe does not cooperate with a heel.
  • a second front restraint 20 of the front stop is intended for downhill or downhill skiing.
  • the shoe 5 When the shoe 5 is engaged with the second front retainer 20, it is immobilized between the heel and the second front retainer 20.
  • the shoe heel cooperates with a heel and unlike the previous configuration.
  • the front stop 3 can be set in three configurations.
  • a second configuration known as a boot, illustrated in the figures 7 , 10 , 14, 15 , corresponds to the adjustment of the stop allowing the release of the boot when it is engaged with the first front retainer 10.
  • the shoe cooperates neither with the first retainer before 10, nor with the second retainer before 20.
  • the second front retainer 20 will now be described in more detail.
  • the second front retainer 20 comprises a frame 31, two wings 21a, 21b, a lateral release mechanism 22, an adjusting mechanism 23, a positioning mechanism 24.
  • the frame 31 comprises a lower bearing surface 311 intended to come into contact with the upper surface 41 of the gliding board 4. It is fixed on the gliding board by conventional fastening means.
  • the connection between the frame and the gliding board is of embedding type.
  • the frame is slidably mounted on the gliding board in the longitudinal direction of the gliding board. This translation of the frame allows adjustment of the longitudinal position of the front stop 3.
  • a locking mechanism for immobilizing the frame relative to the gliding board.
  • the frame 31 supports two wings 21a, 21b. Each of the wings pivots around a shaft 211a, 211b, integral with the frame, extending along an axis of rotation Z 211a , Z 211b substantially vertical, that is to say, perpendicular to the bearing surface 311.
  • the axes of rotation Z 211a , Z 211b are positioned longitudinally at the same level and on either side of a median longitudinal axis X 3 of the abutment. In this example, the axes of rotation Z 211a , Z 211b are distinct.
  • Each wing 21a, 21b comprises a first - 212a, 212b - and second arm 213a, 213b.
  • the two arms are connected at the axis of rotation Z 211a , Z 211b and form an angle of between 60 and 120 °.
  • the two wings are arranged symmetrically with respect to a median plane M of the abutment, that is to say, the vertical plane comprising the median longitudinal axis X 3 of the abutment.
  • the free end of the first arm 212a, 212b supports a connecting pin 214a, 214b extending in a substantially vertical direction and therefore substantially parallel to the axes of rotation Z 211a , Z 211b .
  • the free end of the second arm 213a, 213b supports interface surfaces with a front portion 52 of the sole 51 of the shoe 5, when the second front retainer 20 is engaged with the shoe.
  • These interface surfaces comprise a lateral interface surface 216a, 216b intended to come into contact with a lateral face 526a, 526b of the front portion 52 of the boot and a vertical interface surface 217a, 217b intended to come into contact with an upper face 527 of the front part 52.
  • the lateral interface surface 216a, 216b is formed by pads 215a, 215b attached to the free end of the second arm 213a, 213b. These same skates also form the vertical interface surface 217a, 217b. They may be made of a material facilitating sliding with the shoe such as a PolyOxyMethylene (POM). By being reported on the wings, the pads are interchangeable, which facilitates maintenance in case of wear.
  • the lateral interface surface 216a, 216b is formed by the outer cylinder of a roller pivoting about a shaft fixed to the free end of the second arm 213a, 213b and extending in a substantially vertical direction. In this case, the vertical interface surface 217a, 217b can be defined by interchangeable pads.
  • angle of aperture ⁇ wings 21a, 21b the angle formed by the two second arms 213a, 213b.
  • This opening angle ⁇ it is possible, for example, to consider the median axis of the second arms. The lower the opening angle, the more the free ends of the second arms are close together. Accordingly, when reducing the opening angle, the pads 215a, 215b come into contact with the front portion 52 of the shoe. The shoe is then engaged with the second front retainer 20. Conversely, when the opening angle is increased, the shoe is released from the second front retainer 20.
  • the second front retainer 20 comprises a lateral release mechanism 22 cooperating with the wings 21a, 21b.
  • the triggering mechanism 22 is housed inside the frame 31. It comprises a body 223 movable relative to the frame 31 in a substantially longitudinal direction at the stop between at least two stable positions. The translation of the body inside the frame is made by a sliding type connection.
  • the body 223 comprises a cylinder 2231 open at a front end and closed at the rear end by a wall 2232 pierced by an opening 2233. When the body 223 is put in place in the abutment, its front end is located at the end. before the stop and its rear end is placed in front of the wings 21a, 21b.
  • a first elastic means 221 is housed inside the cylinder 2231.
  • it is a compression spring.
  • a second end 2212 of the spring 221 is in contact with the wall 2232 of the body 223.
  • a first end 2211 of the spring 221 is in contact with a nut 2221.
  • This nut 2221 is engaged with a threaded rod 2223 constituting the extension of 2222.
  • a portion of the nut extends inside the spring 221, as a portion of the member 2222. This arrangement reduces the bulk of the mechanism.
  • the member 2222 passes through the opening 2233 and thus comprises a rear portion, located outside the cylinder 2231, on the other side of the wall 2232, the side of the wings 21a, 21b.
  • the member 2222 is secured to each free end of the first arms 212a, 212b through the connecting pins 214a, 214b. Indeed, the member 2222 forms, in its rear part, a horizontal plate, extending transversely and pierced laterally, on each side, by a hole oblong in the transverse direction. A connecting pin 214a, 214b passes into each oblong hole. The member 2222 with its extension 2223 and the nut 2221 form a connecting element 222 connecting the wings 21a, 21b with the first elastic means 221.
  • the body 223 is placed in a first stable longitudinal position determined relative to the frame 31.
  • the spring 221 is compressed and exerts a force on the nut 2221 causing its displacement towards the front of the stop.
  • the connecting element 222 also moves forward which has the effect of the forward displacement of the connecting pins 214a, 214b and therefore of each free end of the first arms 212a, 212b.
  • This results in the rotation of the wings 21a, 21b tending to bring the free ends of the second arms 213a, 213b until the lateral interface surfaces 216a, 216b respectively come into contact with the lateral faces 526a, 526b of the part before 52 of the shoe.
  • the second retainer before 20 is thus engaged with the shoe.
  • the wings are in contact with the front part of the shoe to keep it attached to the gliding board.
  • the first resilient means urges the displacement of the connecting element to a position causing the lateral interface surfaces to approach the shoe.
  • the wings form an opening angle ⁇ D.
  • This first configuration of the trigger mechanism 22 corresponds to the setting of the first configuration of the front stop. It is illustrated in the figures 1 , 3 , 6 , 9 , 12, 13 .
  • the wing In order to be able to trigger laterally the boot of the second front restraint 20, the wing must turn by a threshold angle for which the lateral interface surface 216a, 216b bears is no longer in contact with the corresponding lateral face 526a, 526b. of the front part 52 of the shoe. At this threshold angle corresponds a determined spring compression force defining the lateral release threshold value of the second front retainer 20.
  • a wing is in a release configuration when the lateral interface surface associated with the wing no longer interacts with the corresponding lateral part of the shoe.
  • this threshold value is adjustable by acting on the nut 2221. Indeed, by turning this nut, it moves relatively relative to the member 2222, which has the effect of adjusting the preload value of the spring 221. It follows that to obtain a rotation of a wing of the threshold angle, the threshold force is no longer the same. Therefore, the trigger value of the second front retainer 20 has been modified and adjusted.
  • the second front retainer 20 comprises an adjustment mechanism 23 for adjusting the relative positioning between the body 223 and the frame 31.
  • the adjustment mechanism 23 comprises an actuator 231 pivoting about a shaft 232 supported by the frame 31 of the abutment and extending transversely, close to the lower bearing surface 311.
  • the shaft 232 is located at the rear of the stop, substantially below the interface surfaces of the wings.
  • the actuator 231 comprises a cam 2311 close to the shaft 232 and intended to cooperate with a free end of a longitudinal rear extension 2234 of the body 223. This longitudinal extension 2234 extends towards the rear of the abutment, since the wall 2232 of the body 223 and passes under the wings 21a, 21b.
  • the actuator 231 also comprises a tab 2312 extending substantially in a plane parallel to a plane passing through the Y axis 232 of the shaft 232.
  • the front stop 3 comprises a second elastic means 14a, 14b making it possible to move the body 223 towards the rear of the abutment when the body is not in position. not asked.
  • the second elastic means does not act directly on the body as will be seen later.
  • the second elastic means may act on an element belonging to the kinematics between the wings 21a, 21b and the longitudinal extension 2234.
  • it may be a spring acting directly on the body 223.
  • the adjustment mechanism 23 provides two stable configurations.
  • the actuator 231 is deployed. It is thus oriented so that the tab 2312 extends substantially vertically upwards of the stop and that the cam 2311 cooperates with the longitudinal rear extension 2234 of the body 223 in order to place the body 31 towards the front of the stop in the first determined stable longitudinal position defined above.
  • This first configuration corresponds to the first configuration of the abutment stop.
  • the actuator 231 is folded. It is thus oriented so that the tab 2312 extends substantially horizontally towards the rear of the stop and that the cam 2311 cooperates with the longitudinal rear extension 2234 of the body 223 in order to place the body towards the rear of the abutment, in a determined second stable longitudinal position.
  • This second configuration of the adjustment mechanism 23 is that used in two configurations of the abutment, the second configuration, referred to as a boot, illustrated in FIGS. figures 7 , 10 , 14, 15 , and the third configuration, called climb, illustrated in the figures 2 , 4 , 5 , 8 , 11 , 16, 17 .
  • the tab 2312 is housed in an arrangement 312 provided at the rear of the frame.
  • the actuator 231 retracts at least partially into the frame 31 which makes the abutment compact.
  • the boot can then be positioned longitudinally towards the front of the abutment while remaining relatively close to the upper surface 41 of the gliding board 4, without being impeded by the actuator 231.
  • the front 52 of the sole is placed above the actuator 231.
  • the actuator 231 is dimensioned so that, in this configuration, an upper part of the actuator serves to support the shoe to position it vertically to facilitate the engagement of the boot with the first front retainer 10.
  • the body 223 When the adjustment mechanism 23 is in its first configuration, the body 223 is pushed towards the front of the abutment which has the effect of bringing the free ends of the second arms 213a, 213b, one of the other. This approximation is such that the lateral interface surfaces 216a, 216b are positioned so as to cooperate with the front portion 52 of the shoe.
  • the shoe front is maintained by the second front retainer 20 when it is paved in the binding.
  • the boot can be released as soon as a determined lateral force is exerted on the front of the boot by means of the lateral release mechanism 22, as previously described.
  • the tab 2312 of the actuator 231 comprises a longitudinal stop surface 2313 arranged so that, when the adjustment mechanism 23 is in its first configuration, the longitudinal stop surface 2313 is substantially vertical and facing the back of the stop so as to face the front portion 52 of the shoe.
  • this longitudinal stop surface 2313 serves to wedge the shoe longitudinally which is necessary for the proper functioning of the lateral release mechanism 22.
  • the longitudinal stop surface 2313 is formed by an insert on the actuator 231. This facilitates maintenance in case of deterioration. This also makes it possible to adjust the longitudinal position of the shoe according to the size / length of the sole or the wear of the sole.
  • This construction makes it possible to optimize the abutment because the actuator 231 performs a dual function, it makes it possible to activate the adjustment mechanism 23 and to position the shoe longitudinally in the descent configuration.
  • the longitudinal stop surface 2313 is fixed on the actuator 231 of the adjustment mechanism 23. Alternatively, it can be secured to another support part, independent of the adjustment mechanism.
  • the longitudinal stopping surface 2313 is movable relative to the wings 21a, 21b. It can move between an active position for which it is able to cooperate with the front part of the shoe and an inactive position for which it is arranged to no longer cooperate with the front part of the shoe.
  • This construction makes it possible to create a space between the wings when the longitudinal stop surface is in the inactive position. This space may be useful to prevent interference of the shoe with the stop if the shoe is caused to move, for example, if the shoe pivots about a transverse axis.
  • the support piece, or actuator is positioned relative to the first retainer before so that no part of the support piece interferes with the shoe when the it pivots around its axis of articulation, in mounted configuration.
  • the support piece is retracted into the frame as we have seen previously.
  • the support piece is rotatably mounted relative to the frame and positioned relative to the second front retainer so that the support piece tilts towards the rear of the stop to be housed between the wings, below these, when the longitudinal stop surface is in the inactive position.
  • the displacement of the longitudinal stopping surface can be a translation, a rotation or a combination of movements.
  • the tab 2312 also comprises a flange 2314 adapted to partially cover the front portion 52 of the shoe when the adjustment mechanism 23 is in its first configuration.
  • this flange 2314 may constitute a vertical interface surface for the shoe.
  • This central vertical interface surface can complete the vertical holding of the shoe provided by the vertical interface surfaces 217a, 217b of the pads mounted on the wings. This reinforces the vertical support of the front of the shoe.
  • this central vertical interface surface may allow the removal of the vertical interface surfaces of the pads mounted on the wings, which then support only the lateral interface surfaces. By eliminating the vertical interface surfaces associated with the wings, parasitic friction forces which can disturb the rotation of the wings and therefore the lateral release mechanism 22 are eliminated. In the latter case, we can have a single vertical interface surface formed by the flange 2314. The vertical interface surfaces 217a, 217b are therefore not necessarily supported by the wings 21a, 21b.
  • the actuator 231 comprises an abutment surface 2316, arranged so that, when the adjustment mechanism 23 is in its first configuration, the abutment surface 2316 is substantially vertical and is oriented towards the front of the abutment .
  • This surface stop 2316 is intended to come into contact with a portion of the frame 31 to wedge the actuator 231 in a stable deployed position corresponding to the first so-called descent configuration.
  • the body 223 When the adjustment mechanism 23 is in its second configuration, the body 223 is moved towards the rear of the stop which has the effect of spreading the free ends of the second arms 213a, 213b, one of the other. This spacing is such that the lateral interface surfaces 216a, 216b are positioned so that they can not cooperate continuously with the front portion 52 of the shoe.
  • the shoe front can not be maintained, at least laterally, by the second front retainer 20, due to the angular orientation of the wings.
  • the boot is released from the second front retainer 20. This can be useful if the skier wants to trigger his fixation in the case where his ski is immobilized in the snow.
  • the actuator 231 comprises a lug 2315 intended to cooperate with the frame 31 to keep the actuator 231 in the folded stable position. This locking is obtained following a slight deformation of the lug 2315 or a part of the frame 31.
  • the lug can be replaced, for example, by a clip.
  • the holding means can cooperate with another element of the abutment that the frame.
  • the manipulation of the actuator 231 by the user makes it possible to tilt the stop, alternatively, of its first configuration, adapted for the descent, illustrated in FIGS. figures 1 , 3 , 6 , 9 , 12, 13 , in its second or third configuration, adapted to the boot or the climb, as we will see later, illustrated in the figures 7 , 10 , 14, 15 , 2 , 4, 5 , 8 , 11 , 16, 17 .
  • Moving the actuator from a stable deployed position, corresponding to the first configuration of the adjustment mechanism, to a stable folded position, corresponding to the second configuration of the adjustment mechanism, or vice versa causes the body 223 to move relative to to the frame 31.
  • This displacement modifies the characteristics of the lateral release mechanism 22. Indeed, the lateral force to be exerted on the wings to obtain a given opening angle ⁇ of the wings differs from one configuration to another.
  • the actuation of the adjustment mechanism 23 has the advantage of obtaining different wing openings without the wings being constrained by the trigger mechanism 22.
  • the shoe prevents the rotation of the actuator 231 to its folded position.
  • This construction therefore allows the actuator 231 to be locked by the boot when it is engaged with the fixation. Securing is then secured that the body 223 remains in a stable position, which makes it possible to retain the characteristics of the lateral release mechanism 22.
  • the shoe prevents the rotation of the actuator 231 to its fully deployed position.
  • the shoe limits the movement of the actuator 231. This avoids the modification of the characteristics of the lateral release mechanism 22 when the stop is configured to a practice: ascent or descent.
  • the actuator causing the displacement of the body 223 is designed and arranged differently.
  • the actuator is placed at the front of the stop and movable by a voluntary action of the skier, distinct from the movement of the shoe, while the shoe is engaged with the second front retainer 20.
  • This solution allows to change the characteristics of the lateral release mechanism 22 while the shoe is engaged with the second front retainer 20. This may be useful to release the shoe when the ski is immobilized in the snow.
  • the second front retainer 20 comprises a positioning mechanism 24 for adjusting the opening angle ⁇ of the wings.
  • This positioning mechanism 24 is intended to be used when the adjustment mechanism 23 is in its second configuration.
  • This positioning mechanism 24 comprises a shuttle 241, a rocker 242 and a lever 243.
  • the shuttle 241 is movable longitudinally relative to the frame 31. It forms a bent plate shaped "U".
  • the central wall 2411 of the plate is placed under the body 223 and the two lateral parts 2412a, 2412b of the plate extend upwards, on either side of the body 223.
  • the central wall 2411 comprises two tabs 2413a, 2413b extending rearward of the stop. Each end of the tabs 2413a, 2413b has a hole in which passes respectively a connecting pin 214a, 214b.
  • the translation of the shuttle causes the translation of the pins, which causes the wings 21a , 21b to rotate about their axes of rotation Z 211a , Z 211b .
  • the opening angle ⁇ wings that is to say the angle between the second arm 213a, 213b, decreases. Conversely, the movement of the shuttle towards the rear of the stop causes the increase of the opening angle ⁇ of the wings. Note that the movement of the shuttle does not cause the displacement of the body 223.
  • the positioning mechanism 24 is dissociated from the adjustment mechanism 23. It operates independently of one another.
  • the rocker 242 is pivotally mounted about a first pivot shaft 244 supported by the frame 31 of the stop and extending transversely.
  • the rocker 242 forms an inverted U-shaped folded plate extending longitudinally.
  • the central wall 2421 of the plate covers an upper part of the body 223 and the side walls 2422a, 2422b of the plate extend vertically, downwards, on either side of the body.
  • the first pivot shaft 244 passes through the two side walls 2422a, 2422b, near the central wall and the rear longitudinal end of the plate.
  • Each sidewall includes an extension 2423a, 2423b extending vertically downward below the first pivot shaft 244 at the rear longitudinal end of the plate.
  • each extension 2423a, 2423b can cooperate with the lateral parts 2412a, 2412b of the shuttle 241 so that the rotation of the rocker 242 causes the translation of the shuttle 241.
  • the rocker 242 when raising the front longitudinal end of the rocker 242, causes the movement of the shuttle 241 forward which has the effect of closing the wings 21a, 21b in the direction of the shoe.
  • the shuttle 241 when the front longitudinal end of the rocker 242 is lowered, the shuttle 241 is caused to move towards the rear, which has the effect of opening the wings 21a, 21b away from the boot.
  • the opening angle ⁇ of the wings 21a, 21b depends directly on the angular position of the rocker 242. Consequently, for a given angular position of the rocker corresponds an opening angle ⁇ of the wings 21a, 21b determined .
  • Elastic means 245 are interposed between the rocker 242 and the frame 31 so as to rotate the rocker until it abuts against the frame.
  • This stable rest configuration corresponds to a lowering of the longitudinal front end of the rocker 242 and therefore to a large opening of the wings 21a, 21b.
  • the positioning mechanism 24 comprises a lever 243 pivotally mounted about a second pivot shaft 246 supported by the rocker 242.
  • the second pivot shaft 246 extends transversely and passes through the two side walls 2422a, 2422b of the rocker 242, near the central wall 2421 and the front longitudinal end of the plate.
  • the lever 243 forms a fork whose arms 2431a, 2431b extend on either side of the rocker 242.
  • Each arm 2431a, 2431b is traversed in its middle by the second pivot shaft 246.
  • Each free end of the 2431 a fork, 2431 b of the fork is intended to cooperate with a portion of the frame 31 when the lever is in a determined locking position.
  • the lever 243 is dimensioned so that when its free ends cooperate with the frame, it causes the upward displacement of the front longitudinal end of the rocker 241 and thus the rotation of the rocker a given angle. As a result, the wings 21a, 21b close in the direction of the shoe, as explained above.
  • the lever 243 can also take a configuration for which it does not cooperate with the chassis. In this case, the rocker rotates around the pivot shaft 242, thanks to the elastic means 245, to return to the stable rest configuration described above.
  • the lever 243 may comprise a return means, for example, a torsion spring, to bring it back to a position for which it does not cooperate with the frame.
  • a return means for example, a torsion spring
  • the free ends of the arms 2431a, 2431b of the lever 243 each comprise a notch, each tooth recess being intended to cooperate with the same complementary shape formed on the frame.
  • the notching is designed so that for each cooperation between a recess and the complementary shape corresponds to a specific upward movement of the front longitudinal end of the rocker 241 and therefore the rotation of the rocker a given angle. This design therefore makes it possible to obtain an angular adjustment of the opening of the wings 21a, 21b which is finer, with several values of opening angle ⁇ determined.
  • the first front retainer 10 will now be described in more detail.
  • the first front retainer 20 comprises two supports 12a, 12b, each being pivotally mounted respectively about an X axis 13a , X 13b of a shaft 13a, 13b supported by the frame 31 of the abutment and s extending longitudinally, on either side of the median longitudinal axis X 3 of the abutment.
  • Each support 12a, 12b comprises a support arm 121a, 121b articulated at a first end, about the X axis 13a , X 13b , the second end being free.
  • a hooking means 11a, 11b is secured to the inner part of the second end of the support arm 121a, 121b, that is to say, the part facing the plane median M of the stop.
  • the attachment means may be an insert which facilitates its replacement in case of wear or it can be part of the support arm which reduces the number of parts and makes the stop more economical. In the latter case, the attachment means and the support arm form a single piece.
  • the two hooking means 11a, 11b are intended to cooperate with the front portion 52 of the shoe 5 so as to define a hinge axis Y 11 , substantially transverse to the stop, around which can rotate the shoe.
  • each attachment means 11a, 11b is in the form of a tip whose end portion is housed respectively in a recess 521a, 521b placed on a lateral side of the front portion 52 of the shoe, when the first front retainer 10 is in mounted configuration.
  • the points are faces, they are vis-à-vis.
  • the tips are aligned to form the hinge axis Y 11 , when the first front retainer 10 is in mounted configuration.
  • An elastic means 14a, 14b is associated with each support 12a, 12b.
  • This elastic means 14a, 14b acts on the carrier arm 121a, 121b corresponding to rotate it so that the second end away from the median plane M of the stop.
  • the elastic means is a torsion spring comprising an end secured to the frame 31 and the other end bears on a central inner portion of the support arm 121a, 121b.
  • the support arms 121a, 121b are arranged longitudinally between the second arms 213a, 213b of the wings 21a, 21b. This arrangement is such that each wing 21a, 21b limits the rotation of a corresponding carrying arm 121a, 121b.
  • the outer portion of each support is intended to be in contact with an inner portion of a second arm 213a, 213b. This contact is continuous through the elastic means 14a, 14b.
  • each elastic means 14a, 14b exerts a force on the carrier arm 121a, 121b associated with tending to separate the second ends and therefore to separate the attachment means 11a, 11b from one another.
  • This force is transmitted to the wings through the contact of the support arm with the second arms.
  • the resilient means urges the wings to open. The more the wings are closed, the greater the stress.
  • these elastic means 14a, 14b correspond to the second elastic means for moving the body 223 towards the rear of the stop when the body is not stressed.
  • the first front restraint 10 can be adjusted in two configurations: a climb configuration and a ride configuration.
  • the rise configuration of the first front retainer 10 corresponds to the third configuration of the stop. It is illustrated in the figures 2 , 4 , 5 , 8 , 11 , 16, 17 . It is characterized by a spacing W 11M attachment means 11a, 11b such that they cooperate continuously with the front portion 52 of the shoe. In this case, the end portions of the tips are sufficiently close together to remain in the recesses 521 a, 521 b of the front part of the shoe. To maintain this cooperation, it limits the spacing of the ends by limiting the opening of the wings 21a, 21b. In the embodiment described, it suffices to act on the lever 243 of the positioning mechanism 24 to obtain an angle of opening ⁇ M wings determined.
  • the boot configuration of the first front retainer 10 corresponds to the second configuration of the stop. It is illustrated in the figures 7 , 10 , 14, 15 . It is characterized by a spacing W 11C attachment means 11a, 11b such that they can be released from the front portion 52 of the shoe. In this configuration, the shoe is not held by the stop at the gliding board. In this example, the spacing of the end portions of the tips is greater than the distance between the entrances of the recesses 521a, 521b of the front part of the boot. This distance corresponds substantially to the width of the front portion of the shoe. To obtain this release, greater spacing of the tips is allowed by increasing the opening of the wings 21a, 21b. For this, in the embodiment described, it suffices to act on the lever 243 of the positioning mechanism 24 to obtain an opening angle ⁇ C wings determined more important.
  • the supports 12a, 12b are sized and arranged relative to the wings 21a, 21b so that when the stop is in its first configuration, that is to say that the shoe is in contact with the lateral interfaces surfaces 216a, 216b, the support arms 121a, 121b pivot to be housed between the wings 21a, 21b, without interfering with the front portion 52 of the shoe or with a member of the stop.
  • the supports are also dimensioned and arranged so as not to disturb the movement of the front part of the boot during a lateral release of the boot.
  • the support arms 121a, 121b are sufficiently advanced relative to the location of the lateral interface surfaces 216a, 216b so as not to hinder the establishment of the boot in the second front retainer 20 or its release.
  • This arrangement provides a compact front stop, incorporating two front restraints, one for the rise and one for the descent. Furthermore, it protects the first restraint before 10, when the stop is in the descent configuration. Indeed, the organs of the first front retainer 10 are housed between the wings 21a, 21b, which provides protection.
  • the hooking means 11a, 11b are arranged relative to the wings 21a, 21b so that the distance H 11 between the hinge axis Y 11 and the lower bearing surface 311 is less than or equal to the distance H 217 between the vertical interface surfaces 217a, 217b and the lower bearing surface 311.
  • This feature makes it possible to place the boot close to the gliding surface 42 of the board. slides during climbing phases. However, this approximation significantly improves the stability of the skier and his performance during the ascent of the slope.
  • the arrangement of the hooking means 11a, 11b relative to the vertical interface surfaces 217a, 217b is such that the distance between the distance H 51D between the sole 51 and the lower bearing surface 311, when the stop is in its first configuration (descent), and the distance H 51M between the sole 51 and the lower bearing surface 311, when the stop is in its third configuration (mounted) is less than ten millimeters.
  • the hooking means 11a, 11b are arranged relative to the wings 21a, 21b so that the longitudinal position of the shoe when it is engaged with the first front retainer 10 , according to the third configuration of the abutment (mounted) is shifted forward of the abutment with respect to the longitudinal position of the boot when it is engaged with the second front retainer 20, according to the first configuration of the stop (downhill).
  • the gap L5 between these two longitudinal positions is greater than eight millimeters, preferentially, the difference is greater than twelve millimeters. This feature is particularly important because it allows to switch the configuration of the binding, a climbing configuration to a descent configuration, or vice versa, without the need to move the heel or the stop.
  • the heel of the shoe is no longer positioned to cooperate with the attachment mechanism of the heel. This is what is sought when switching to climb mode, mode for which the shoe must be able to pivot about a transverse axis placed at the front of the shoe. In addition, it allows to retreat the boot relative to the ski during the downhill phases, which is of interest when moving off-piste, including powder snow. In these conditions, it is better to ski backwards so that the front spatulas do not get stuck in the snow.
  • first front restraints 10 may be contemplated.
  • each support of an attachment means may be rotatably mounted about a substantially vertical axis.
  • the supports can pivot about the same axes of rotation as those of the wings.
  • the supports can pivot about the same axes of rotation as those of the connecting pins.
  • a support can thus pivot about a fixed axis relative to the frame or relative to a wing.
  • the preceding embodiments describe supports pivoting respectively about an axis of rotation.
  • the supports are not articulated.
  • the spacing of the attachment means results from a deformation of a portion of the support.
  • a support arm pivots around a virtual "axis of rotation" due to the deformation of the arm.
  • the axis of rotation must be extrapolated because it does not really exist. It is deduced from the deformation of the support.
  • each attachment means is movable independently of the wings.
  • This construction makes it possible to have a dimensioning adapted for each front restraint 10, 20. More particularly, this makes it possible to optimize the dimensioning of the first front restraint 10 provided for the rise.
  • the latter may be designed to withstand heavy loads by springs as is the case in most of the forward restraints provided for climbing. Due to the fact that the supports are not very constrained, these can be lightened. In addition, it is easier to exchange a defective part without simultaneously affecting the two front restraints.
  • the forward stop in these embodiments, comprises a first front retainer comprising two supports, each support comprising a carrying arm supporting a hooking means.
  • the attachment means may form a portion of the support arm.
  • each carrier arm is able to come into contact respectively with a resumption element of the stop, the recovery elements being able to be arranged to maintain a relative spacing W 11M between the attachment means when they cooperate with the front part of the shoe.
  • the stop comprises two recovery elements, each cooperating respectively with a carrying arm.
  • the recovery element may be a one-piece piece cooperating simultaneously with the two carrying arms, for example a fork.
  • the recovery element or elements are then able to cooperate with at least one carrier arm of a support so as to limit the spacing of the attachment means of a determined value W 11M .
  • the hooking means can not deviate from each other beyond the determined value, but they can eventually get closer.
  • the retrieval member may be provided to prevent only spacing or to prevent spacing and reconciliation.
  • the recovery element or elements are placed relative to the supports so as to interfere with the movement of the supports.
  • the recovery elements form stops for the supports.
  • Cooperation is direct.
  • a recovery element cooperates with a support at a recovery surface located on the same support arm of the support on which is fixed the attachment means and, preferably, near the attachment means.
  • the support arm supports a fastening means, in its inner part and, in the back, in its outer part, the support arm forms a recovery surface adapted to come into contact with the recovery element.
  • the recovery surface is at the level of the attachment means.
  • This construction thus allows a lateral force recovery directly by the elements of recovery when the shoe is engaged with the first front retainer. In this case, there is little or no recovery of the lateral force by the carrying arms.
  • a mechanism makes the attachment means cooperate with the front part of the boot.
  • a specific device positions and immobilizes the recovery elements so as to block the relative spacing between the attachment means. It is thus possible to maintain the cooperation between the attachment means and the front part of the boot without the attachment means exerting a force on the shoe.
  • the attachment means strongly solicit the shoe, often greater than ten daN.
  • the lateral support of the boot when it is engaged with the first front retainer is ensured by a direct recovery with the stopper of the stop member.
  • This solution has the advantage of considerably reducing the wear of the fastening means and / or corresponding inserts of the shoe.
  • the dimensioning of the device can be adapted and, more particularly, the sizing of the supports.
  • the recovery elements are mobile. They can be positioned so that they cooperate with the support arms of the supports in order to maintain a relative spacing between the attachment means when they cooperate with the front part of the shoe. They can also be positioned so that the support arms can move so that the attachment means can deviate further.
  • the elements of recovery can be a single piece monolithic.
  • the recovery elements can be removable or integral with the stop.
  • the elements of recovery are made by the wings of the second front retainer.
  • blocking the opening angle ⁇ of the wings it blocks the spacing of the attachment means.
  • the shoe is then engaged with the first front retainer provided for the climb without the attachment means solicit the shoe.
  • the attachment means 11a, 11b are integral with the wings 21a, 21b and arranged so that the distance H 11 between the hinge axis Y 11 and the lower bearing surface 311 of the frame 31 of the abutment is less than or equal to the distance H 217 between the vertical interface surfaces 217a, 217b and the lower bearing surface 311.
  • the first and second front retainers share common parts.
  • the support of the attachment means is directly the wing.
  • the attachment means 11a, 11b are offset forwards relative to the longitudinal stop surface.
  • one wing is movable relative to the other. This allows the change of one wing without having to change the other.
  • the two wings pivot about the same axis of rotation.
  • the axes of rotation Z 211a and Z 211b are then merged.
  • This common axis can be substantially vertical.
  • the two wings are kinematically linked so that the rotation of one wing in one direction causes the rotation of the other wing in the other direction. This feature allows you to open the wings quickly to release the shoe.
  • the hooking means are points cooperating with recesses arranged on the front part of the boot, generally on an insert insert.
  • the first front retainer as soon as they define an axis of articulation Y 11 around which the boot can pivot.
  • the tips may be cylinders or the front portion may support a shaft to connect to the stop.
  • the actuator 231 comprises a bearing surface intended to come into contact with the sole of the shoe.
  • This bearing surface makes it possible to position the shoe so that the vertical position of the entrances of the recesses 521 a, 521 b of the front part of the boot are substantially at the same level as the vertical position of the hooking means 11a, 11 b.
  • This bearing surface then constitutes a boot aid facilitating the engagement of the boot with the first front retainer 10.
  • the description describes a trigger mechanism, a setting mechanism and a positioning mechanism.
  • the solutions described are not restrictive.
  • the invention extends to other solutions of trigger mechanisms, adjustment or positioning compatible with the claims of the invention.
  • the invention is not limited to these embodiments. It is possible to combine these embodiments.
EP15000972.8A 2014-04-09 2015-04-03 Skibindung Withdrawn EP2929920A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR1400867A FR3019758B1 (fr) 2014-04-09 2014-04-09 Fixation de ski
FR1400870A FR3019756B1 (fr) 2014-04-09 2014-04-09 Fixation de ski
FR1400866A FR3019757B1 (fr) 2014-04-09 2014-04-09 Fixation de ski
FR1400868A FR3019755B1 (fr) 2014-04-09 2014-04-09 Fixation de ski

Publications (1)

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EP2929920A1 true EP2929920A1 (de) 2015-10-14

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EP15000970.2A Active EP2929919B1 (de) 2014-04-09 2015-04-03 Skibindung
EP15000972.8A Withdrawn EP2929920A1 (de) 2014-04-09 2015-04-03 Skibindung
EP15000971.0A Active EP2944361B1 (de) 2014-04-09 2015-04-07 Tourenskibindung

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WO2009121187A1 (en) 2008-04-03 2009-10-08 G3 Genuine Guide Gear Inc. Toe unit for alpine touring binding
CH705579A2 (de) * 2011-09-29 2013-04-15 Fritschi Ag Swiss Bindings Frontautomat.
EP2929918B1 (de) * 2014-04-09 2018-05-23 Salomon S.A.S. Skibindung
US10058763B2 (en) * 2015-04-29 2018-08-28 Bishop Bindings Llc Telemark ski bindings systems and methods
FR3046083B1 (fr) 2015-12-23 2018-01-12 Salomon Sas Fixation de ski
USD820933S1 (en) 2016-05-04 2018-06-19 Salomon S.A.S. Ski binding
USD820932S1 (en) 2016-05-04 2018-06-19 Salomon S.A.S. Ski binding
DE102016013104A1 (de) * 2016-11-02 2018-05-03 Skis Rossignol Sas Skibindung
EP3566754B1 (de) * 2018-05-08 2022-08-17 Fritschi AG - Swiss Bindings Frontautomat für eine skibindung
US11229831B2 (en) 2018-06-24 2022-01-25 Bishop Bindings Llc Telemark ski binding assembly
US11524220B2 (en) 2018-07-09 2022-12-13 Ryan PRIEST Ski binding
DE102018125546A1 (de) * 2018-10-15 2020-04-16 Marker Deutschland Gmbh Vorderbacken
DE102019108350A1 (de) * 2019-03-29 2020-10-01 Marker Deutschland Gmbh Bremsvorrichtung
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FR3046082A1 (fr) * 2015-12-23 2017-06-30 Salomon Sas Fixation de ski

Also Published As

Publication number Publication date
EP2929919B1 (de) 2018-05-30
EP2944361A1 (de) 2015-11-18
EP2929918A1 (de) 2015-10-14
US9220969B2 (en) 2015-12-29
EP2929919A1 (de) 2015-10-14
US20150290523A1 (en) 2015-10-15
US20150290524A1 (en) 2015-10-15
EP2929918B1 (de) 2018-05-23
US9795862B2 (en) 2017-10-24
EP2944361B1 (de) 2017-02-01

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