EP3260178B2 - Fersenhalter zur befestigung eines schuhes auf einem snowboard - Google Patents

Fersenhalter zur befestigung eines schuhes auf einem snowboard Download PDF

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Publication number
EP3260178B2
EP3260178B2 EP17184665.2A EP17184665A EP3260178B2 EP 3260178 B2 EP3260178 B2 EP 3260178B2 EP 17184665 A EP17184665 A EP 17184665A EP 3260178 B2 EP3260178 B2 EP 3260178B2
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EP
European Patent Office
Prior art keywords
heel
rods
vertical
fork
wedge
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Application number
EP17184665.2A
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English (en)
French (fr)
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EP3260178A1 (de
EP3260178B1 (de
Inventor
Laurent Damiani
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Salomon SAS
Original Assignee
Salomon SAS
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C10/00—Snowboard bindings
    • A63C10/02—Snowboard bindings characterised by details of the shoe holders
    • A63C10/08—Toe or heel stirrups; Clamps
    • 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
    • A63C9/006—Ski bindings with a climbing wedge
    • 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
    • A63C9/082—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with swivel heel-plate
    • 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
    • A63C9/084—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
    • A63C9/0845—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable the body or base or a jaw pivoting about a vertical axis, i.e. 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
    • A63C9/086—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

Definitions

  • the present invention relates to an attachment of a boot to a gliding board. It relates in particular to the rear part of a binding of a boot on a gliding board, called the heel piece.
  • the invention finds a particularly advantageous application in alpine ski boot bindings and in particular so-called touring bindings.
  • one solution consists in using a front binding part, called a stopper, intended to secure the front of the boot to the board and a heel piece to fix the heel of the shoe to the board.
  • the heel piece supports two rods each having a free end which is respectively intended to penetrate into a corresponding housing made in the heel of the shoe as described, for example, in the document EP 0 199 098 .
  • the binding incorporates one or more mechanisms allowing this automatic release of the boot at the level of the heel piece and / or at the level of the stop. This release function is referred to as a “trigger”.
  • the heel piece generally comprises a plurality of retaining means, typically springs, which exert a force tending to bring the two free ends of the rods together or to bring them back to a neutral position.
  • the distance between the two free ends of the rods is thus elastically constrained.
  • the heel housing of the shoe defines two guide paths that are symmetrical with respect to a median axis of the foot.
  • Each of the two guide paths has an engagement zone into which a shank of the heel piece is intended to penetrate when the heel approaches the heel piece.
  • Each of the two guide paths then continues with a guide zone in which one of the rods is guided until it reaches a blocking zone.
  • the heel is held firmly in the heel, both vertically and laterally.
  • the two guide zones, each associated with a rod mutually separate the two ends of the rods which come closer once they have reached the blocking zone. From the blocking zone, the heel springs tend to bring the two free ends of the rods together and hold them in the blocking zone.
  • the document EP 2 384 794 proposes a solution in which two springs constrain the two rods for the vertical release. Furthermore, the same springs are part of the lateral release mechanism.
  • the main body supporting the rods is rotated around a base during the lateral release.
  • This main body also supports a control body provided with a pin, extending vertically downward.
  • the control body is constrained by springs housed in the main body.
  • the pin cooperates with a cam surface, in the shape of a "V" formed on the base.
  • the pin then cooperates with the cam surface of the base which causes sliding of the control body tending to force the springs.
  • the cam surface and the sizing of the springs define the lateral force to be exerted to obtain a determined angle of rotation of the body.
  • lateral release all of the force is transferred from the cam surface to the pin, making the system relatively fragile.
  • the lateral release is defined only by the surface of the base cam and the springs, independently of the rods and more particularly of their spacing. The rods are not stressed in spacing.
  • the mechanism has a height requirement due to the fact that the vertical release mechanism and the lateral release mechanism are superimposed vertically. Although the device is reduced in number of parts compared to similar heels, it still comprises a large number of parts.
  • the kinematics of the control body have several contact and friction zones which can interfere with the proper functioning of the trigger mechanisms by wear or jamming. The trigger values can then be changed.
  • the document FROM 10 2011 079 210 shows a heel piece comprising the features of the preamble of claim 1.
  • the aim of the invention is to provide an improved heel piece.
  • One aim is in particular to provide a compact heel piece.
  • Another aim is to provide a robust heel piece.
  • Another aim is to provide a lightened heel piece.
  • an object of the present invention relates to a heel piece for fixing a boot on a gliding board as defined in claim 1.
  • the heel piece comprises a heel block provided on an upper part of the frame below which at least one part of the body pivots.
  • Another object of the present invention relates to a system for fixing a boot to a gliding board comprising a front stopper configured to secure the front of the boot with the gliding board and comprising a heel piece according to the invention.
  • Another object of the present invention relates to a gliding board comprising a heel piece according to the invention.
  • the figure 2 illustrates the main directions.
  • the longitudinal direction corresponds to the X axis.
  • the transverse direction corresponds to the Y axis.
  • the vertical direction corresponds to the Z axis.
  • the heel piece 100 is shown attached to the upper face 21 of a gliding board 20 of a ski.
  • the heel piece 100 comprises a frame 110 having a base 111 configured to be fixed to the gliding board 20, in this example by screwing through openings of screw passages 114, not shown.
  • the base can be assembled to the ski by a slide-type connection, in a longitudinal direction to the ski. This makes it possible to adjust the longitudinal position of the heel piece so as to adjust the binding in relation to the size. or for a “recoil” function (maintaining contact between the heel piece and the boot when the ski flexes in the descent configuration).
  • a means is provided for blocking the longitudinal movement of the frame in the desired position.
  • a means is provided for compensating for the longitudinal displacement of the frame to maintain it in a desired position even when the ski flexes.
  • the base is considered to be fixed to the gliding board because, in use, its position on the ski does not vary or varies little.
  • the frame 110 also comprises a vertical extension 112 integral with the base 111 and extending upwardly from the latter in a vertical direction.
  • the heel piece 100 also includes a body 130 rotatably mounted on the vertical extension.
  • the body 130 comprises a sleeve 131, of generally cylindrical shape, having a bore inside which is inserted at least part of the vertical extension 112.
  • the vertical extension 112 is shaped so as to cooperate with the sleeve 131 so as to guide the latter in rotation about an axis Z1.
  • this axis of rotation corresponds to the vertical when the ski is placed flat.
  • the frame 110 also includes a stopper 120 integral with the vertical extension 112.
  • the stopper is fixed by a screw 119 on the upper end of the vertical extension 112.
  • the stopper is placed above the sleeve 131. and has at least one radial dimension greater than the bore of the sleeve.
  • this stop 120 prevents or limits the sliding of the body 130 along the axis of rotation Z1 in a first direction, that is to say upwards in the figures.
  • the vertical extension 112 forms with the base 111 a single piece.
  • the vertical extension 112 comprises at its upper end a housing 113 configured to partially accommodate a vertical portion 123 of the stop 120, the vertical portion 123 extending downward.
  • the cooperation of the internal and external shapes respectively of the housing 113 and of the vertical portion 123 ensures good relative positioning between these parts.
  • the vertical portion 123 of the stopper 120 which has an internal housing, configured to receive the end of the vertical extension 112.
  • the frame 110 composed in particular of the base 111, of the vertical extension 112 and of the stop 120, thus forms a bearing for guiding the body 130 in rotation.
  • the body is intended to support two rods 51, 52, each having a free end 53, 54 intended to cooperate with a heel 11 of a shoe 10.
  • the heel comprises, in known manner, a housing composed of engagement zones 14 , guide zones 13 and blocking zones 12 as described above. When the heel piece is engaged, the free ends 53, 54 enter this heel housing.
  • the body 130 When the heel piece is in the descent configuration, the body 130 is positioned relative to the frame so that the free ends 53, 54 are able to cooperate with the heel housing of the boot.
  • the body 130 and the rods 51, 52 are substantially aligned with the longitudinal axis of the gliding board.
  • the two free ends 53, 54 protrude from the body 130 towards the front of the ski.
  • the two free ends 53, 54 are arranged substantially symmetrically with respect to the longitudinal axis of the ski.
  • the relative positioning of the rods 53, 54 in this descent configuration will be designated hereinafter as “neutral position”.
  • the body 130 comprises in the upper part of the sleeve 131, a lower rim 133 and an upper rim 134.
  • Each rim extends transversely, on either side of the axis of rotation Z1 of the body.
  • Each rim then projects relative to the cylindrical outer casing of the sleeve 131.
  • the two rims 133, 134 are vertically spaced by a distance slightly greater than the diameter of the rods 51, 52.
  • the lower rim 133 extends rearwardly. by a longitudinal extension 132 with reference to a position of the body when the heel piece is in the descent configuration.
  • the two rods 51, 52 are in place on the body, they are simply resting on the lower rim 133 and on its longitudinal extension 132 and their free ends 53, 54 protrude from the body 130 forward.
  • the vertical displacement of the two rods is, moreover, limited by the lower rims - 133 - and upper 134 of the body.
  • the two flanges 133, 134 and the shank of the sleeve 131 constitute a housing for each of the rods 51, 52.
  • Each free end 53, 54 of the rods 51, 52 thus forms a projection relative to the body 130 and to the rest of the heel piece 100 as illustrated in the figures.
  • the rods 51, 52 extend horizontally and are arranged on either side of the vertical extension 112.
  • the two rods 51, 52 are linked together by a junction portion 55 so as to form a fork 50.
  • the fork 50 has the general shape of a “U”.
  • the two arms of the “U” thus form the two rods 51, 52 and the connection between the arms of the “U” forms the junction portion 55.
  • the free ends of the arms correspond to the free ends 53, 54.
  • the fork 50 has a axis of symmetry 56 passing at an equal distance from the rods 51, 52.
  • the junction portion 55 acts as a holding means for the free ends 53, 54.
  • this junction portion 55 provides elasticity to the fork tending to bring back the rods to the neutral position as soon as the rods are no longer stressed.
  • the fork acts as a spring or elastic pin whose arms are energized to return to a stable neutral position.
  • the fork 50 In the neutral position, the fork 50 has a determined relative spacing E1 between the free ends 53, 54 of the rods 51, 52.
  • a lateral force greater than a threshold, makes it possible to elastically deform the arms of the fork 50 and to separate the free ends 53, 54 beyond the neutral position.
  • the fork 50 is dimensioned to exert a return force tending to bring the free ends 53, 54 to the predetermined distance E1 from the neutral position as soon as the rods move away from the neutral position.
  • junction portion 55 rests on the longitudinal extension 132.
  • the fork 50 can be inserted into the body 130 by sliding perpendicular to the axis of rotation Z1 of the body 130.
  • the fork 50 is positioned in the housing formed by the two flanges 133, 134.
  • the body 130 has an opening 135 associated with each rod 51, 52, in the upper part of the sleeve 131.
  • Each opening 135 is configured so that when the rods 51, 52 are inserted into the body 130, part of the rods 51, 52 protrudes towards the interior of the sleeve 131 beyond the internal wall of the latter.
  • the openings 135 are two in number and are located on either side of the vertical axis of the body. An opening 135 appears in figure 3 .
  • the vertical extension 112 further comprises at least one contact zone 115, positioned opposite the openings 135.
  • the heel piece 100 is configured so that the contact zone 115 is located at the same height level as the rods 51, 52. when the heel piece is assembled. Furthermore, in certain angular positions of the body 130 relative to the frame 110, each of the rods 51, 52 is in contact, direct or indirect, with a part of the contact zone 115 which is associated with it.
  • the rotation of the body 130 around the axis Z1 drives the rods 51, 52 in rotation.
  • the contact zone 115 is moreover fixed relative to the gliding board 20 because it is integral with the frame 110 fixed to the ski. Consequently, each rod 51, 52 is stressed by a part of the contact zone 115 which is associated with it.
  • a contact zone 115 is defined by one or more parts intended to be in contact with an associated rod 51, 52. The position of this relative contact changes as a function of the rotation of the body 130. The contact zone then corresponds to all of the contact surfaces between the part or parts and the associated rod.
  • a contact zone can therefore consist of several surfaces belonging to several parts. It can be achieved by part of a single piece.
  • each rod cooperates, directly or indirectly, with a determined part of a contact zone.
  • a first rod 51 cooperates with a first part of the contact zone 115 and the second rod 52 cooperates with a second part, distinct from the first part, of the contact zone 115.
  • Each rod can cooperate with a contact zone. that is unique to it. We then have two distinct contact zones, one for each rod. Alternatively, there may be a single common contact zone but comprising distinct parts, each being intended to be in contact with a determined rod.
  • the contact zone 115 is carried by the vertical extension 112 forming with the base 111 a single piece. According to an embodiment not shown, it is carried by a part attached securely to the base 111. For example, it can be carried by an external face of the fixing portion of the stop 120.
  • the contact zone 115 can be produced by a part of a constituent part, for example, an upper part of the vertical extension 112.
  • the contact zone 115 can also be provided on one or more parts attached to a component part of the frame, for example, an upper part of the vertical extension 112.
  • the attached part can be a metal blade, a preformed ring, pins. ...
  • the trigger mechanism stresses the attached part and not the component part of the frame.
  • the insert wears out and reduces or even eliminates the wear of the vertical extension. It is then easy to replace the attached part once it is worn. This facilitates after-sales service and increases the life of the heel.
  • the contact area is produced by several pins 116 arranged in housings carried by the vertical extension 112.
  • a contact area 115 is assigned to each rod and is defined by two pins 116 so that one pin forms a linear support with a rod 51, 52 associated for a particular angular configuration.
  • the rods 51, 52 move apart, resting on the pins 116 rather than on the vertical extension 112, reducing the wear of the latter.
  • the pins 116 can be easily replaced without having to change the rest of the heel piece 100.
  • the pins 116 are for example made of hardened metal with a hardness of 60 HRC.
  • the contact zone is defined by a cylinder or a pin
  • the contact between the rod and the contact zone corresponds to a first generatrix of the cylinder.
  • the contact changes and corresponds to a second generator of the cylinder angularly offset with respect to the first generator.
  • the contact zone therefore corresponds to all of the generatrices, namely an angular portion of the outer cylindrical surface.
  • a contact zone assigned to a rod is defined by two pins 116.
  • a rod 51, 52 is in contact with the two pins 116, as can be seen at figure 5 .
  • this rod is then in contact with only one of the two pawns 116, as seen in figure 9 . If we turn in the other direction, this rod comes into contact with the other of the two pins 116.
  • the contact zone 115 is therefore defined here, either by a first pin ( figure 9 ), either by a second pawn (not shown), or by the two pawns ( figure 5 ).
  • the contact zone 115 here consists of a part of the outer casing of the first pin and of a part of the outer casing of the second pin.
  • the contact zone 115 can be covered with a coating making it possible to reduce the wear by friction between the rods 51, 52 and the contact zone 115.
  • the rotation of the body is obtained during the lateral release resulting from a torque exerted on the boot around a vertical axis located substantially at the front of the boot. This torque is transposed by a substantially lateral force as mentioned above. Because the heel rotates around a vertical axis disposed at the front (at the stop of the binding), the circular arc path further promotes the withdrawal of the free ends 53, 54 of the heel housing.
  • the withdrawal of the free ends 53, 54 of the heel housing is performed on a substantially horizontal plane, unlike a vertical release where the withdrawal is performed in a substantially vertical plane.
  • the distance D2 between the axis of rotation Z1 of the body 130 and the point of contact of a rod 51, 52 with the associated contact zone 115 becomes greater than the distance D1. between these same references in the descent configuration.
  • the distances D1 and D2 are represented by figures 5 and 9 respectively.
  • This lateral release occurs when a torque is exerted on the body 130.
  • This torque can be unintentional, as is the case during a fall of the user when he had his heel 11 attached to the heel 100.
  • This torque can also be intentional, as is the case when the user does not wish to fix his heel 11 to the heel 100 but wishes to keep it free.
  • a pivoting of the body 130 around the axis of the chassis 110 then makes it possible to rotate the rods 51, 52 so that their ends are no longer facing the heel 11.
  • this design avoids a possible adjustment or a drift over time in the value of the triggering thresholds.
  • the contact zone 115 is designed so that the maximum spacing of the ends 53, 54 of the rods 51, 52 is obtained when the body 130 has rotated by an angle of between 30 ° and 70 °.
  • this construction allows effective lateral release while distributing the return force of the rods over at least two surfaces, which effectively contributes to the strength and reliability of the heel 100.
  • the contact zone 115 is also dimensioned so as to ensure an elastic return of the body 130 and rods 51, 52 towards the descent configuration, as soon as the body pivots at least up to the lateral release angle.
  • the contact zone 115 can also allow an elastic return for a return angle greater than the trigger angle.
  • the limit return angle can be between 30 ° and 90 °.
  • the kinematics of the lateral release are minimalist and are based on parts that are simple to manufacture, robust and in limited numbers, which reinforces the reliability and lightness of the release mechanism.
  • the fork 50 is also responsible for the vertical release.
  • the boot in the event of a significant vertical force, for example during a forward fall, corresponding to an upward vertical force exerted by the heel 11, the boot separates from the rods 51, 52.
  • the zone of blocking 12 has, at the entry, a slope, inclined towards the outside, in the direction of the bottom of the heel 11, the free ends 53, 54 of the rods 51, 52 slide on this slope by moving away and out of the blocking zone 12.
  • the free ends 53, 54 then escape from the housing of the heel 11.
  • the heel 11 is released from the heel 100.
  • the rods 51, 52 move apart. This separation of the rods takes place against the elastic force exerted by the junction portion 55.
  • each upper rim 134 of the body 130 comprises a lower surface 1341 inclined with respect to a horizontal plane, at an angle ⁇ , as seen in figure 3 .
  • This inclination of this lower surface 1341 combined with the slope of the locking zone 12 helps to facilitate the separation of the free ends 53, 54 of the rods 51, 52. Indeed, an upward vertical force of the rods 51, 52 on these inclined lower surfaces 1341 generates a transverse component in reaction, tending to separate the free ends 53, 54.
  • the fork 50 comprising the rods 51, 52 and the junction portion 55 form a single piece, which increases the strength of the heel piece 100.
  • the fork 50 is made of metal, for example high elastic limit steel.
  • At least the portions of the rods 51, 52 intended to cooperate with the contact zone 115 are covered with a coating or with a part intended to reduce wear by friction.
  • the heel piece 100 comprises a climbing wedge 150 intended to serve as a support for the skier's heel during the ascent.
  • a climbing wedge 150 is assembled so as to pivot relative to the body 130.
  • the wedge generally forms a "U" profile and rotates around an axis of rotation 151 passing through the end of the two arms 152. of the profile.
  • the axis of rotation 151 of this articulation is substantially horizontal. It is defined relative to the body and extends transversely with reference to the position of the body when the heel piece is in the descent configuration.
  • the two arms extend from the articulation axis 151, on either side of the longitudinal axis of the body 130.
  • a cross member 153 connects the ends of the two arms 152 opposite to the articulation axis.
  • the wedge can tilt backwards against a stopper to come to the so-called “deactivated” position, or forward against another stopper to come to the so-called “activated” position.
  • the crosspiece 153 and / or the arms 152 then serve as a support zone for the heel 11 in the activated position.
  • the wedge In the first position, called “deactivated” or “retracted”, the wedge is positioned so as not to hinder the vertical movement downwards of the user's heel. The user can then attach his heel to the heel piece 100 if the latter is configured for descent.
  • the user In a ski touring configuration, the user only fixes the front of the boot 10 on a boot retaining device called the “front stop” and releases the heel from the heel piece.
  • the toe piece is designed to allow vertical heel mobility.
  • This climb configuration is used to move on flat or on slopes.
  • the device To facilitate the push of the skier, the device provides for different heel support heights. For rather flat terrain, the support height should be close to the top surface of the ski. Conversely, the more the slope, the more it is preferable to have the support height under the heel.
  • the body For sloping terrain, the body is maintained in a neutral position for which the rods are able to cooperate with the heel housing. However, we just add the heel lift.
  • the lifting wedge 150 In the second position, called “activated”, the lifting wedge 150 is able to limit the downward vertical displacement of the heel 11. This position is illustrated in figures 6 and 7 . In this position, the climbing block 150 prevents the heel from reaching the base 111 or the gliding board 20, and helps the user in a phase of steep ascent.
  • the climbing wedge 150 can be manipulated by hand by the user or using his stick.
  • the 150 climbing block is shown in figure 8 in an intermediate position.
  • the climbing wedge 150 is configured to, in the activated position, cooperate with the rods 51, 52, so as to prevent their spacing from being sufficient for the body 130 to be able to rotate around the extension. vertical 112.
  • two stop portions 155 carried by the arms 152 of the lifting wedge 150 are respectively positioned near each of the rods 51, 52 on the outside with respect to the axis of rotation of the body 130 This proximity allows direct contact between the stop portions 155 and the rods 51, 52. The spacing of the rods 51, 52 is then limited, which blocks the rotation of the body 130. Any angular movement of the body 130 is then prevented. or greatly reduced.
  • This feature makes it possible to avoid any untimely rotation of the body or of the climbing block while the climbing block 150 is activated, and this without adding complexity, weight or bulk to the heel 100. Thus, this secures this. configuration, keeping the climbing block operational.
  • the stop portions 155 are carried by an additional cross member 154 extending from one arm 152 to the other of the wedge.
  • This additional cross member 154 comes to rest on the rods 51, 52, which makes it possible to limit the rotation of the climbing wedge around its articulation axis 151. The user can then easily put the climbing wedge in place in this. stable indexed position. The heel support force is thus taken up by the rods 51, 52.
  • the body 130 comprises assembly means making it possible to alternately secure forks 50 having arms 51, 52 of different lengths with the body 130, while maintaining an identical predetermined distance between the free end 53, 54 of each rod 51, 52 and the Z1 axis around which the body 130 rotates.
  • a fork 50 can be inserted and withdrawn from the body 130 in a particularly simple manner and without requiring any tools.
  • a first fork can be replaced by a second fork, the properties of which, in particular the stiffness of the spacing between the two rods 51, 52, are different from those of the first fork. It is thus possible to adjust the triggering threshold according to the user.
  • the assembly means can be deactivated when the body 130 has a determined angular position relative to the frame 110, typically an angle of 90 ° relative to the descent configuration. This determined angular position is designated angular unlocking position.
  • the assembly means allow removal of the fork 50 only when they are deactivated.
  • the heel piece 100 is configured so as to prevent the deactivation of the assembly means when the body 130 is not in the angular unlocking position.
  • the assembly means comprise a locking cover 160 pivotally articulated on the body 130, about a substantially horizontal axis 161.
  • the locking cover 160 has two arms 166 which extend from the hinge axis 161 to a retaining cover 168 of the fork.
  • a passage opening 164 is thus created between the arms.
  • a locking tab 167 extends longitudinally of the retaining cover 168 inside the passage opening 164.
  • the lower face of this cover 168 is placed opposite the fork 50 and then prevents the fork 50 from moving.
  • the underside of the cover has notches 162 defined by walls 163 each forming an axial stop. These axial stops are shaped so that the fork 50, once inserted into a notch 162, can no longer slide horizontally.
  • the locking stop 121 is clearly visible on the figure 2 . In this example, it is carried by the stopper 120. It is positioned vertically to the right of the locking cover 160 when the body 130 is not in the angular locking position.
  • the stop 120 has a part 122 which extends horizontally towards the rear and of which a lower face forms the locking stop 121.
  • the horizontal part 122 is dimensioned so that, when the body 130 is in the angular unlocking position, the locking stop 121 is not opposite the locking tab 167 of the cover.
  • the locking cover 160 can pivot about its axis 161.
  • the part 122 of the stopper then passes through the passage opening 164. The user can lift the locking cover 160 and move it away from it. 'longitudinal extension 132 of the body 130.
  • the fork 50 can then be withdrawn.
  • the heel piece 100 makes it possible to unlock the locking cover 160 by a simple rotation of the body 130 which can be exerted manually and thus makes it possible to ensure that the cover 160 is properly locked in the other positions.
  • This solution is particularly robust, reliable and makes it possible to keep a limited weight.
  • the stiffness of the spacing between the free ends 53, 54 of the rods 51, 52 depends in particular on the length of the rods, that is to say on the distance between each free end of a rod 51, 52 and the portion junction 55.
  • a fork 50 with shorter rods has a stiffness at the spacing of its ends 53, 54 greater than a fork 50 with longer rods.
  • the distance between the free ends 53, 54 of the rods 51, 52 and the axis around Z1 of which the body 130 rotates must preferably be identical, whatever the length of the fork 50, in order to always cooperate with the housing made in the heel 11.
  • the heel piece 100 makes it possible to position the junction portion 55 away from the axis of rotation of the body 130.
  • the longitudinal extension 132 supporting the junction portion 55 and / or, as is the case in the example illustrated, the lower face of the cover has several notches 162, each corresponding to a position of the fork 50 by relative to the axis of rotation Z1 of the body 130.
  • the locking cover 160 has three notches 162, the fork 50 illustrated being dimensioned to be housed in the intermediate notch.
  • the invention makes it possible to adapt in a particularly fast, simple and without requiring any tools, the threshold of the releases of the heel 100 to release the heel 11. This is particularly advantageous when the equipment is rented since the the trigger threshold can easily be adapted to the weight or level of the client who is going to use the heel 100.
  • the locking cover 160 comprises a housing 165 for the additional cross member 154 of the lifting wedge, which makes it possible to reduce the bulk.
  • This construction allows a common part, the fork 50, to ensure the vertical release and the lateral release.
  • the side trip value is not the same as the vertical trip value.
  • the vertical trigger value must be substantially four times greater than the lateral trigger value.
  • the vertical / horizontal release ratio it is possible to modify the shape and / or the dimensions of the fork, for example the section of the rods 51, 52 and / or of the junction portion 55.
  • the vertical / horizontal trip ratio can be adapted by modifying the contact zone 115.
  • Another way of modifying this ratio consists in modifying the inclination of the lower surface 1341 of the upper rim 134.
  • the vertical / horizontal tripping ratio can be adapted by dimensioning the contact zone 115 so that it urges the rods 51, 52 when they are in a neutral position, in the descent configuration.
  • the contact zone causes the initial separation E1 of the free ends 53, 54 so as to facilitate vertical release.
  • the sizing of a fork thus defines a single vertical release value and a single lateral release value. It is not possible to set the side trip value independently of the vertical trip value or vice versa. These two trigger values are therefore directly linked and depend on the dimensioning of the fork.
  • the contact zone 115 is dimensioned so that when the body 130 has a determined angular position relative to the frame 110, the two rods 51, 52 are no longer in contact with the contact zone 115 or are respectively slightly in contact with a determined part of the contact zone 115, associated with each rod, to allow removal of the rods 51, 52 outside the contact zone 115 without tools, preferably by manual action exerted with only two fingers.
  • the fork does not squeeze the contact zone 115 and can easily be replaced by another, for example when it is worn.
  • FIG. 11 This characteristic is illustrated in figure 11 .
  • the body 130 is rotated by plus or minus 90 ° relative to the descent configuration in which the rods 51, 52 are facing the housing of the heel 11.
  • the contact zone 115 carried by the vertical extension 112 has a face facing the rods 51, 52 which is at a distance D3 from the axis of rotation Z1 of the body 130.
  • This distance D3 is dimensioned so that the distance between the two faces of the vertical extension 112 is less than the distance E3 of the ends 53, 54 of the rods 51, 52 at rest, that is to say without being stressed in spacing: 2 x D3 ⁇ E3.
  • the contact zone 115 therefore does not separate the rods 51, 52 which can then be easily removed by a simple horizontal sliding movement.
  • a first variant concerns the climbing wedge 250.
  • the climbing wedge 250 is articulated in rotation on the frame 110.
  • the articulation axis 251 of the wedge 250 is substantially horizontal and transverse to the ski so that the wedge can pivot. from the front to the rear of the heel 100.
  • the heel block 250 is provided on an upper part 220 of the frame 110 below which pivots at least a part of the body 130 of the heel piece about a substantially vertical axis Z1.
  • the body is mounted to pivot around the frame fixed to the gliding board.
  • the frame 110 passes through the body 130 and serves as a bearing for the body 130 for its rotation about a substantially vertical axis Z1.
  • the rods 51, 52 ensuring the triggering of the heel piece are arranged on either side of the frame 110 and, more particularly, of the part passing through the body.
  • the climbing wedge 250 is made independent of the movement of the body 130. In particular, it is not rotated when the body 130 rotates.
  • the climbing wedge is directly integral with the frame fixed to the gliding board, if you press laterally on the climbing wedge, its position always remains the same with respect to the gliding board. This lateral support can occur when the skier is on a slope.
  • the climbing wedge is thus continuously functional or non-functional, depending on the voluntary action of the user, whatever the angular position of the body.
  • the figure 12 illustrates the climb block 250 deactivated.
  • the figure 13 illustrates the heel block 250 activated with the body 130 in the same position as the figure 12 .
  • the figure 14 illustrates the climbing wedge 250 activated with the body 130 having rotated here by 90 °, from the position of the figure 13 . It is then noted that the climb chock 250 has not turned and still remains active.
  • a second variant relates to the means for fixing forks 50 of different length while maintaining a constant distance between the ends 53, 54 of the rods 51, 52 and the axis of rotation Z1 of the body 130.
  • the junction portion 55 of a fork 50 is inserted into a holding part 270 attached to the body 130, for example by being fixed to the underside of a longitudinal extension 132 of the body 130.
  • the longitudinal extension 132 forms an extension of the upper rim 134 unlike the first embodiment in which the longitudinal extension 132 forms the extension of the lower edge 133.
  • This retaining part 270 has a groove dimensioned to house at least part of the junction portion 55.
  • the retaining part 270 is also constructed to prevent the horizontal displacement of the fork 50, in particular its sliding parallel to the rods 51, 52.
  • the retaining part 270 is fixed by at least one screw 271 or a pin screwed into the body 130.
  • a set of holding parts 270 which all have a different distance between their housing 273 of the junction portion 55 and the axis of rotation Z1 of the body 130.
  • That 270a of the figure 16 blocks the junction portion 55 at a distance D4 from the axis of rotation Z1 of the body 130.
  • That 270b of the figure 17 blocks the junction portion 55 at a distance D5 from the axis of rotation Z1 of the body 130 very significantly less than D4.
  • This second holding part 270b therefore allows the use of a fork 50 provided with longer rods and therefore allowing a lower trigger threshold.
  • the body may include several screw holes 136 for the passage of the screw 271. These screw holes 136 are aligned longitudinally which makes it possible to increase the number of possible configurations.
  • the figures 15 and 18 illustrate an embodiment with two screw holes 136.
  • the same holding part 270 comprises two housings arranged on the same face of the holding part 270 or on two opposite faces. In the latter case, it is then sufficient to turn the holding part 270 over in order to be able to use forks 50 of different dimensions.
  • the holding pieces 270 can also have housings of different sections to accommodate forks 50 of different sections.
  • the climbing wedge 250 comprises means for indexing the angular position.
  • the user can thus more easily position it in one or the other of the activated and deactivated positions. Furthermore, this indexing makes it possible to prevent the climbing wedge 250 from unintentionally pivoting from a position assigned to it by the user.
  • the arms 256 are mounted on the stop 220 with transverse play so as to allow a slight deformation of the arms in a direction transverse to the ski.
  • the protuberance 256 fits into a first part of the groove 224 (the upper part or the lower part). This configuration is stable and indexed.
  • the second arm 252 of the climbing wedge 250 also comprises one or two protuberances cooperating with a second complementary groove carried by the stop.
  • the embodiment illustrated on figure 18 has four growths, two external growths per arm.
  • the angular orientation of the groove is not necessarily substantially vertical.
  • it can be horizontal.
  • the bosses are then oriented differently as a result.
  • the wedges 250 come from a section and the protuberance 256 extends along the main axis of the section, typically the direction of extension of the arms 252. This makes it possible to simplify the part manufacturing operations.
  • indexing can be considered.
  • it can be a cam system.
  • the heel piece 100 comprises two heel wedges 150. These two heel wedges 150 are articulated around their respective axes of rotation, these two axes being offset or aligned in a longitudinal direction.
  • the shape of the wedges 150 and the offset or not of their axes of rotation allow many forms of combinations. For example, they may or may not rest against each other, in order to obtain different angles of support for the boot 10.
  • the invention provides a particularly robust and light solution for ensuring the vertical and lateral releases of the heel piece 100. Furthermore, the values of the releases can be modified very easily by a simple replacement. energizing means.
  • the wear of the heel 100 is localized on parts that are easy to change, which facilitates after-sales service and increases the life of the entire system. Furthermore, the user can easily activate and deactivate the climbing wedge 150, 250 and the risks of unintentional modification of the position of the climbing wedge 150, 250 are avoided.
  • the climbing wedge is assembled to be able to pivot.
  • the installation of the climbing wedge may result from a translation instead of a rotation or from a combination of translational movement and rotation.
  • the trigger device comprises a fork in the shape of a "U" which defines both the vertical release and the vertical release.
  • the triggering force of this device is characterized by the elasticity of the junction portion connecting the two rods / arms.
  • the junction portion corresponds to the holding means within the meaning of the invention.
  • the invention can be applied to other trigger mechanisms.
  • it may be a mechanism comprising two separate rods, pivoting around a first end, the rods being constrained by a clamping device exerting a force on the rods to bring their free ends together.
  • this device comprises at least one elastic means allowing the necessary approximation force.
  • the clamping device then corresponds to the holding means within the meaning of the invention.
  • Such a construction is for example described in the document AT 402020 Where WO 2012/024809 .
  • the invention consists in that each rod cooperates with a specific part of a contact zone, associated with the rod, so that the rotation of the body supporting the rods causes the ends of the rods to move apart.
  • the heel block can be transposed to a heel piece having a lateral release mechanism separate from the vertical release mechanism, such as for example the heels described in the documents.
  • EP 2 608 853 Where EP 2 259 850 .
  • It can also be applied to heels having only a vertical release mechanism but whose body supporting the mechanism is rotatably mounted on a frame.
  • It can be applied to a heel piece having only a lateral release mechanism.
  • the interface means can be a jaw instead of the rods.
  • the invention is not limited to these embodiments. It is possible to combine these embodiments.

Landscapes

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

Claims (9)

  1. Ferseneinheit (100) für eine Befestigung eines Schuhs (10) auf einem Gleitbrett (20), aufweisend:
    - einen Rahmen (110), welcher dafür vorgesehen ist, auf dem Gleitbrett befestigt zu werden, und eine vertikale Erweiterung (112) aufweist,
    - einen Körper (130), welcher um die vertikale Erweiterung des Rahmens herum um eine im Wesentlichen vertikale Achse (Z1) drehbar montiert ist, wobei der Körper einen Mechanismus zum Ausrasten des Schuhs trägt,
    dadurch gekennzeichnet, dass
    sie eine Steighilfe (250) aufweist, welche an einem oberen Teil (220) des Rahmens eingerichtet ist, unterhalb dessen sich zumindest ein Teil (131) des Körpers dreht.
  2. Ferseneinheit (100) nach Anspruch 1, bei welcher der obere Teil des Rahmens die Verlängerung der vertikalen Erweiterung bildet.
  3. Ferseneinheit (100) nach einem der vorhergehenden Ansprüche, bei welcher die Steighilfe am Rahmen drehangelenkt ist.
  4. Ferseneinheit (100) nach dem vorhergehenden Anspruch, bei welcher die Gelenkachse (251) der Steighilfe bezüglich des Skis im Wesentlichen horizontal und quer verläuft, so dass sich die Steighilfe bezüglich der Ferseneinheit von vorne nach hinten drehen kann.
  5. Ferseneinheit (100) nach einem der vorhergehenden Ansprüche, aufweisend eine Steighilfe, welche Einrastmittel (224, 256) aufweist, welche es ermöglichen, die Steighilfe in einer stabilen Position zu halten.
  6. Ferseneinheit (100) nach einem der vorhergehenden Ansprüche, bei welcher der Ausrastmechanismus des Schuhs zwei Stangen (51, 52) aufweist, welche jeweils ein freies Ende (53, 54) besitzen, welches dafür vorgesehen ist, mit einer Ferse (11) des Schuhs zusammenzuwirken.
  7. Ferseneinheit (100) nach dem vorhergehenden Anspruch, bei welcher die Stangen durch eine Klemmvorrichtung beaufschlagt sind, die eine Kraft auf die Stangen ausübt, um ihre freien Enden aneinander anzunähern.
  8. System zur Befestigung eines Schuhs (10) an einem Gleitbrett (20), aufweisend einen vorderen Anschlag, welcher dafür ausgelegt ist, den vorderen Teil des Schuhs (10) fest mit dem Gleitbrett zu verbinden, und aufweisend eine Ferseneinheit (100) nach einem der vorhergehenden Ansprüche.
  9. Gleitbrett (20), aufweisend eine Ferseneinheit (100) nach einem der Ansprüche 1 bis 7.
EP17184665.2A 2014-09-26 2015-09-07 Fersenhalter zur befestigung eines schuhes auf einem snowboard Active EP3260178B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1402176A FR3026311A1 (fr) 2014-09-26 2014-09-26 Talonniere de fixation d'une chaussure sur une planche de glisse
EP15002617.7A EP3000511B1 (de) 2014-09-26 2015-09-07 Ferseneinheit für schuhbindung auf einem gleitbrett

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP15002617.7A Division EP3000511B1 (de) 2014-09-26 2015-09-07 Ferseneinheit für schuhbindung auf einem gleitbrett
EP15002617.7A Division-Into EP3000511B1 (de) 2014-09-26 2015-09-07 Ferseneinheit für schuhbindung auf einem gleitbrett

Publications (3)

Publication Number Publication Date
EP3260178A1 EP3260178A1 (de) 2017-12-27
EP3260178B1 EP3260178B1 (de) 2019-05-15
EP3260178B2 true EP3260178B2 (de) 2021-10-27

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EP17184665.2A Active EP3260178B2 (de) 2014-09-26 2015-09-07 Fersenhalter zur befestigung eines schuhes auf einem snowboard
EP15002617.7A Active EP3000511B1 (de) 2014-09-26 2015-09-07 Ferseneinheit für schuhbindung auf einem gleitbrett

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EP (2) EP3260178B2 (de)
FR (1) FR3026311A1 (de)

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FR3043565B1 (fr) * 2015-11-17 2018-07-20 The M Equipment Talonniere pour fixation de ski, fixation et ski correspondants
US10426221B2 (en) * 2016-01-08 2019-10-01 Nike, Inc. Method and apparatus for dynamically altering a height of a sole assembly
EP3345659B1 (de) * 2017-01-04 2019-06-26 Fritschi AG - Swiss Bindings Fersenautomat für eine skibindung
US10315099B2 (en) * 2017-10-31 2019-06-11 G3 Genuine Guide Gear Inc. Lightweight touring binding heel unit
IT201900012741A1 (it) * 2019-07-24 2021-01-24 Atk Sports S R L Talloniera per attacco da sci
US11484774B2 (en) * 2020-01-09 2022-11-01 Salewa Sport Ag Heel unit with climbing aid for an alpine touring binding
AT523493A1 (de) * 2020-01-31 2021-08-15 Tyrolia Tech Gmbh Fersenbacken für eine Abfahrts- oder eine kombinierte Abfahrts- und Tourenbindung
DE102020205754A1 (de) * 2020-05-07 2021-11-11 Salewa Sport Ag Ferseneinheit für eine skibindung
FR3112493B1 (fr) * 2020-07-17 2023-04-14 Felisaz S A S Talonnière pour ski de randonnée munie d’un dispositif de freinage
IT202100012872A1 (it) * 2021-05-19 2022-11-19 Atk Sports S R L Porzione posteriore di attacco da sci alpinismo
DE102022110764A1 (de) * 2022-05-02 2023-11-02 Marker Deutschland Gmbh Fersenhalter mit einstellbarer Kraft für Vertikalauslösung
DE202024101401U1 (de) 2023-04-01 2024-05-17 Cameron Allan Shute Skibindungsfersenstück

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Also Published As

Publication number Publication date
FR3026311A1 (fr) 2016-04-01
US20160089592A1 (en) 2016-03-31
EP3260178A1 (de) 2017-12-27
EP3260178B1 (de) 2019-05-15
EP3000511A1 (de) 2016-03-30
EP3000511B1 (de) 2017-10-25
US10010782B2 (en) 2018-07-03

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