EP2865427B1 - Unité de talon pour une fixation de ski de randonée - Google Patents

Unité de talon pour une fixation de ski de randonée Download PDF

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Publication number
EP2865427B1
EP2865427B1 EP14189515.1A EP14189515A EP2865427B1 EP 2865427 B1 EP2865427 B1 EP 2865427B1 EP 14189515 A EP14189515 A EP 14189515A EP 2865427 B1 EP2865427 B1 EP 2865427B1
Authority
EP
European Patent Office
Prior art keywords
rotation
binding body
control portion
heel unit
heel
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.)
Active
Application number
EP14189515.1A
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German (de)
English (en)
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EP2865427A1 (fr
Inventor
Edwin Lehner
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.)
Salewa Sport AG
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Salewa Sport AG
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Filing date
Publication date
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Publication of EP2865427A1 publication Critical patent/EP2865427A1/fr
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Publication of EP2865427B1 publication Critical patent/EP2865427B1/fr
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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
    • A63C9/08—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
    • A63C9/084—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

  • a heel unit of this kind is from the EP 2 638 937 A1 known and may have as coupling means two in down position along the longitudinal axis of the sliding board forwardly projecting coupling pins which can engage in a corresponding recess on the heel portion of the sliding board shoe to hold the shoe.
  • the coupling pins are disengaged from the heel portion of the shoe so that the heel portion can lift off the gliding board.
  • the binding body in the tour position of the binding body is pivoted about the axis of rotation of the pivot bearing so that the coupling pins do not point forward, but in the lateral direction or to the rear.
  • the one-way rotary coupling provided on the actuating element of the brake arrangement may, under certain circumstances, bring about greater stress on the mechanism of the brake arrangement.
  • the actuating element which is basically designed to be held down and locked by the projection of the binding body, when driving over the one-way rotational coupling by the projection further pressed down than would be necessary for the normal locking of the brake assembly.
  • the one-way rotary coupling when driving over the one-way rotary coupling when adjusting the heel unit as well as exercise of impact forces or compressive forces during use greater forces in the lateral direction in the actuating element of the brake assembly and thus introduced into the brake assembly, which must be compensated by appropriate design measures of the brake assembly or can lead to increased wear of the brake assembly.
  • the object of the invention is to provide a heel unit for a touring binding, which avoids unintentional adjustment of the binding body of the tour position in the downhill position as far as possible and thus enables reliable operation, with excessive stress on other components of the bond, in particular a brake assembly is avoided, or wherein the invention should also be applicable to a heel unit without a brake arrangement arranged on the heel unit, but in any case independently of such a brake arrangement.
  • a heel unit for touring binding wherein the heel unit is adjustable between a downhill position in which it holds a heel portion of a sliding board shoe, and a tour position in which it releases the heel portion
  • the heel unit comprises, inter alia: a base comprising a mounting arrangement for attachment to a gliding board and further Having a pivot bearing defining an axis of rotation orthogonal to a sliding board plane, and a binding body having coupling means for coupling a heel portion of a sliding board shoe and which at the pivot bearing about the axis of rotation is rotatably supported such that, in the downhill position, the coupling means face in a forward direction to engage the heel portion of the gliding shoe, and in the touring position, the coupling means faces in a direction other than the forward direction, the binding body having a first control portion during rotation of the binding body in a direction from the downhill to the tour position, contacting a second control section to be supported on the base or mounted on the
  • two control sections are provided, which together form a one-way rotary coupling, wherein the second control section is held at the base or not according to the invention to be mounted on the sliding board.
  • the one-way rotational coupling enables reliable operation by preventing accidental adjustment of the binding body from the tour position to the downhill position, the attachment of the second control section to the base or directly to the gliding board on the one hand enables stable and low-wear support of the second control section and on the other hand independent mounting of the control section allowed by a brake assembly. Compressed or impact forces received by the second control section are thus not introduced into a brake arrangement and the proposed one
  • One-way rotational coupling is also used for heel units, which have no arranged on the heel unit brake assembly.
  • Angular range refers to the intended use of the heel unit.
  • this blockage is arranged such that when a sufficiently high force is exerted on the binding body in the direction of rotation in the first direction of rotation, the blockage is overcome and rotation in the first direction is possible even over the predetermined angular range.
  • This overcoming of the blockage may in particular be permitted at forces which would lead to damage of the heel unit if the blocking would not yield. If, for example, the binding body strikes against an obstacle during use with corresponding intensity, rotation in the first direction of rotation per se is no longer undesirable in order to avoid damage to the heel unit and is made possible by overcoming the blockage in the described preferred variant of the heel unit.
  • At least one control section of the first control section and the second control section is kept movable away from the sliding board plane or towards the sliding board plane, so that it can escape on rotation of the binding body in the predetermined angular range in the second direction of rotation and in the then contacting the control sections.
  • Such a development provides the advantage that the overcoming of the one-way rotational coupling in the second direction of rotation is not dependent on excessive material stresses of individual components or on the utilization of mounting tolerances, but that a separate movable mounting of the relevant control section is provided which defines a defined evasive movement of the Control section allows.
  • the movable control section is as above mentioned training by a spring, in particular biased by a leaf spring to the other control section.
  • the evasive movement of the control section can then take place against the defined spring force of the spring and designed to be structurally suitable in a simple manner.
  • a leaf spring offers particular advantages in terms of installation space, since it has a flat shape.
  • the second control section is connected to the pivot bearing of the base. Since the one-way rotational coupling according to the invention interacts with the rotational movement between the binding body and the base, this embodiment offers the possibility of a compact design. It is further particularly preferred that a position of the pivot bearing with respect to the mounting arrangement is adjustable, in particular along a GleitbrettlShsachse is adjustable. Such adjustability may be provided to adapt the heel unit to a shoe size of a gliding board shoe, or may be used to hold the coupling means in close contact with the gliding board shoe by a pressure spring.
  • the pivot bearing comprises a carriage which is slidably held on the mounting arrangement.
  • the pivot bearing during use of the sliding board can be firmly connected to the mounting assembly, ie be kept sliding board-fixed, the position along the GleitbrettlShsachse can be adjusted to set the tour binding to a certain shoe size, mostly in use a tool.
  • the second control section is connected to the pivot bearing, there is the particular advantage that, independently of the position of the axis of rotation along the sliding board longitudinal axis, the second control section is moved or displaced simultaneously with the position of the pivot bearing. The function of the one-way rotary coupling is thus always ensured regardless of the position of the pivot bearing.
  • the second control section is held substantially only by a spring on the base, which biases the second control section towards the first control section, and / or that the first control section substantially only a spring is held on the binding body, which biases the first control section towards the second control section.
  • the spring can perform three functions simultaneously: First, the spring can connect and mount between the control section and the base or gliding board or binding body, second, the spring can provide a movable support of the control section, and third, the Providing spring force a spring force to bias the control portion to the other control portion and provide a defined force for overcoming the one-way rotational coupling.
  • a control section of first control section and second control section has an asymmetrical projection, the other control section abutting the projection upon rotation of the binding body in the predetermined angular range in the first direction of rotation and upon rotation of the binding body slides in the second direction of rotation in the predetermined angular range on the projection and slides over the projection.
  • the rotation in the second direction of rotation is then possible by sliding on the flatter flank, while rotation in the first direction of rotation is prevented by abutment on a steeper flank.
  • the shape of the projection with respect to the first direction of rotation, in particular the stop on the steeper flank of the projection it is preferably set up in such a way that the overcoming of the one-way rotational coupling in the first direction of rotation can not be overcome during normal use and during the stress normally exerted by the sliding board shoe on the heel unit (blocking of the one-way rotational coupling) in that, however, in the event of an exceptionally high load, which would cause material damage to the heel unit, for example when the binding body strikes against an obstacle, it is also possible to overcome the one-way rotational coupling in the first direction of rotation before serious damage to the heel unit occurs.
  • the second control section may be arranged laterally next to the binding body or behind the binding body with respect to the sliding board longitudinal axis.
  • a compact construction and a material and weight-saving realization of the invention results when the first control section is formed by a housing section of the binding body, in which housing section a spring of a triggering mechanism of the heel unit is accommodated.
  • the shape of the housing which is determined by a spring received therein, can then be exploited as a first control section, so that an additional projection or an additional arrangement for providing the first control unit is not necessary.
  • heel units are according to the present invention Invention adjustable by turning the binding body between tour position and downhill.
  • the heel unit can either be set up so that the binding body continues to be rotated in the second direction of rotation until it reaches the tour position again so that the binding body is displaced from the tour position for the downhill and back to the tour position has performed a total of 360 ° rotation in the second direction of rotation.
  • an angle measured in the first direction of rotation between the tour position and the departure position of the binding body is smaller than an angle measured in the second direction of rotation between the tour position and the downhill position of the binding body.
  • the one-way rotational coupling could be manually releasable, so that rotation of the binding body in the first direction of rotation back to the downhill position is made possible by an additional operation.
  • an embodiment of the heel unit according to the invention is intended in which a climbing aid is arranged on the binding body, which is rotatable together with the binding body about the vertical axis, so that arranged in a first tour position of the binding body, the climbing aid in an active position is in an active position in which it can support a heel portion of a sliding board shoe, and in a second tour position of the binding body, the climbing aid is outside the pivoting range of the Gleitbrettschuhs, wherein upon rotation of the binding body in the second Direction of rotation starting from the downhill position of the order after the predetermined angle range is first swept over, subsequently the first tour position of the binding body can be reached, subsequently the second tour position of the binding body can be reached and na Subsequently, the departure position can be reached again when turning around the full angle.
  • the invention makes it possible for a canted load of the climbing aid a unintentional adjustment of the binding body in the first direction of rotation in the downhill position is prevented by the one-way rotational coupling. An unintentional adjustment is then possible even in the second direction of rotation from the first tour position to the second tour position out, which generally only leads to a change in the height of the climbing aid, but not for setting a for walking on the mountain in itself unsuitable configuration (downhill ).
  • the term "following" does not necessarily signify an immediately following position. This means that between the predetermined angle range and the first tour position and / or between the first tour position and the second tour position and / or between the second tour position and the down position at least one further predetermined rotational position of the binding body can be set up, in particular a further third tour position , Furthermore, it was stated in the described embodiment that in the second tour position the climbing aid is pivoted away from the pivoting region of the sliding board shoe.
  • At least one further climbing aid may be arranged on the binding body, which is pivoted into an active position instead of the first climbing aid in the second tour position or possibly another tour position in order to support the touring ski boot at a height which is active from that in the first tour position Climbing aid is different.
  • a heel unit generally designated 10 in the drawings comprises a fastener 12 for attachment to a gliding board 14 (eg Touring ski), a binding body 16, and a bearing assembly 18 by which the binding body 16 is movably held with respect to the fastening member 12.
  • Fastener 12 and bearing assembly 18 together form a base of the heel unit 10.
  • a plurality of mounting holes 20 pass through the fastener 12 to allow attachment by means of screws 22.
  • the heel unit 10 in particular the attachment of the fastening element 12 and the binding body 16 define an X-direction along the running direction of the sliding board (sliding board longitudinal axis L) with reference to the running direction of the sliding board 14, a Y-direction, which in a sliding board plane E of Slide board (horizontal) and oriented orthogonal to the X direction, and a Z-direction, which is oriented orthogonal to the X direction and the Y direction (vertical upward).
  • X direction is forward in the direction of the sliding board
  • terms such as “top,” “bottom,” “side,” “front,” “rear,” “horizontal,” “vertical or the like with reference to the above-defined coordinate system.
  • the binding body 16 carries two coupling pins 24r, 24l (approximately parallel to one another in the X-direction).
  • FIGS. 1 and 4 the front ends of which form shoe engaging portions 26 provided for establishing a coupling between the heel unit 10 and a gliding board shoe.
  • the shoe engagement portions 26 project an amount beyond a front abutment surface 29 of the binding body 16 so that they can penetrate a rear recess of a gliding board shoe until a rear abutment surface of a heel portion of the sole of the shoe abuts against the front abutment surface 29 of the binding body 16.
  • the coupling pins 24r, 24l are substantially parallel to each other, providing a My-triggering mechanism in itself known manner at least one of the two pins in the Y direction is movable within certain limits against the force of a My release spring 36.
  • a trigger mechanism can be used, as in the AT 402 020 B is described, the disclosure of which is fully incorporated by reference into the present disclosure with respect to the movable support of the coupling pins and acting between the coupling pins spring assembly by reference.
  • the heel unit 10 further includes an Mz triggering mechanism.
  • the Mz tripping is realized in that the binding body 16 and thus also the coupling pins 24r, 24l is held pivotably on the fastening element 12 about an axis M of an Mz trigger bearing of the bearing assembly 18 extending in the Z direction.
  • the bearing assembly 18 may for this purpose comprise a bearing pin 46, on which the binding body 16 together with the coupling pins 24r, 24l is pivotable about the axis M.
  • the mounting of the binding body 16 on the bearing pin 46 is biased in a down position, in which the shoe engaging portions 26 of the coupling pins 24r, 24l point in the X direction forward.
  • a known Mz-triggering mechanism may be provided which, for example, in the EP 0 199 098 A2 is described.
  • a cam surface 48 may be provided, on which a relative rotation between the binding body 16 and bearing pin 46, a cam follower 50 slides, which is movably guided on the binding body 16 and by the force of an Mz-release spring 52 in the contact is biased with the cam surface 48.
  • the Mz release spring 52 can be on the one hand a Vortheseseinstellelement 54 which is mounted in an adjustable, but during normal operation fixed position on the binding body 16, and on the other hand supported on the cam follower 50.
  • the Vortheseseinstellelement 54 may be a screw, so that by adjusting the screw, the distance between the two support points of the Mz-release spring 52 and thus the bias of the Mz-release spring 52 is adjustable.
  • the contour of the cam surface 48 is selected so that the binding body is biased to the descent position in which the shoe engaging portions 46 of the coupling pins 24r, 24l are directed forward substantially in the X direction. Further, the cam surface 48 is shaped so that upon rotational movement of the binding body 16, the cam follower 50 is urged toward compressing the Mz trip spring 52 so as to counteract the pivotal movement of the binding body 16 from the downhill position.
  • this force exceeds a predetermined Mz release force, for example because a heel portion of the sliding board shoe 28 is pressed in the lateral direction (Y direction) in the event of a fall and twisting of the sliding board, the force of the Mz release spring 52 is overcome and the binding body rotates together with the coupling pins 24r, 24l to the side away, so that the engagement of the sliding board shoe is released.
  • This movement is the Mz release movement of the binding body 16 or the coupling pins 24r, 24l.
  • the bearing assembly 18, with which the binding body 16 is mounted on the base part 12 additionally comprises a displacement bearing, which allows a suspension movement of the binding body 16 and thus the coupling pins 24r, 24l or / and an adjustment of the position of the binding body 16 to adapt to a shoe size
  • a displacement bearing which allows a suspension movement of the binding body 16 and thus the coupling pins 24r, 24l or / and an adjustment of the position of the binding body 16 to adapt to a shoe size
  • the bearing pin 46 is guided linearly displaceable in the X direction on the fastening element 12 and biased by the action of a spring member 56 in the forward direction (for sliding board shoe 28).
  • the binding body 16 may be additionally secured by a second guide against tilting.
  • the bearing pin 46 penetrates in the vertical direction a slot-shaped recess 62 of the fastener 12 and has at its lower end a flange, widened foot portion 63 (carriage), which engages under the fastener 12, so that the foot portion 63 between the fastener 12 and the surface of the sliding board 14 is held.
  • Alternative means for guiding the linear movement of the trunnion 46 or the binding body 16 may be used, for example a guide along an inner boundary surface of the recess 62.
  • the spring element 56 is preferably supported, on the one hand, on a first spring bearing 64 operatively connected to the fastening element 12 and, on the other hand, is supported on a spring bearing 66 operatively connected to the binding body 16 or formed thereon.
  • the first spring bearing 64 may be formed in the manner of a nut and engage with the screw of the guide member 58.
  • the guide element 58 passes through in the exemplary embodiment in the X direction, the spring element 56 and is rotatably, but held axially immovably on a bearing 67 on the fastener 12.
  • the rotation of the guide element 58 for example by actuation of a Screw head 68 with engagement portion for a screwdriver, leads to a displacement of the first spring bearing 64 along the X direction, for example, to adjust a shoe size.
  • the second spring bearing 66 may be provided on the inside of a recess 59 which is provided as a downwardly open recess at the lower end of the bearing journal 46 and in which the spring element 56 is received. In this way, the spring element can be mechanically stable and well protected from external influences in a cavity between the bearing pin 46 and the surface of the sliding board 14 are housed.
  • the passage opening 60 for the guide element 58 which extends in the X-direction, passes through the recess 59 so that the through-opening 60 in the bearing pin 46 comprises at least two opposite through-opening sections, so that the guide element 58 reliably guides the bearing pin 46 at two spaced passage opening sections of the through-opening 60 ,
  • the guide element 58 in the illustrated embodiment thus passes first through a first passage opening portion axially displaceable without threaded engagement, then the first spring bearing 64 in threaded engagement, then the spring element 56 axially displaceable without threaded engagement, then a second passage opening portion axially displaceable without threaded engagement and finally to the bearing 67 rotatable and mounted axially immovable.
  • the first spring bearing 64 may further form a stop for limiting the movement of the binding body 16 along the guide member 58 in the direction of the biasing force of the spring means 56.
  • this stop can be done by abutment of the first spring bearing 64 on a second spring bearing 66 opposite inner wall of the recess 59.
  • the position of the first spring bearing 64 in the X direction can be adjusted by turning the guide element 58.
  • the first spring bearing 64 bears against the inner wall of the recess 59 and is held in this position by the force of the spring means 56.
  • the displacement of the first spring bearing 64 in the X direction by adjusting movement of the guide element 58 thus entails a corresponding displacement of the binding body 16 in the X direction.
  • the adjustment movement of the guide element 58 accordingly enables an adjustment of the position of the binding body 16 in the X direction to adapt the binding to the length of the shoe.
  • the heel unit 10 is adjustable by rotation of the binding body 16 about the axis M between the downhill position ( FIGS. 1 to 4 ), in which the coupling pins 24r, 24l point forwards in the X-direction in order to engage a touring boot, and a tour position (FIG. FIGS. 5a to 6b ), in which the binding body 16 is rotated about the axis M by a certain angle, so that the coupling pins 24r, 24l are no longer facing forward.
  • the tour position at least one climbing aid instead of the coupling pins 24r, 24l may be arranged in the pivoting range of the shoe.
  • a climbing aid may be formed by a portion 74 on an upper side of a housing of the binding body 16, so that in a tour position, in which the portion 74 of the housing by corresponding rotation of the binding body 16 in the forward direction points, the shoe on the portion 74 can be so that it is supported at a predetermined height above the sliding board 14.
  • a further climbing aid 76 may be provided, which can be brought forward by rotation of the binding body 16 about the axis M in order to support the shoe in a position above the Gleitbrettebene, which is higher than that Section 74 of the housing.
  • Different tour positions with different heights of climbing aids can thus be adjusted by rotation of the binding body 16 about the axis M.
  • the binding body 16 may further be arranged so that the shoe does not collide when lowering or only at a very low position with the binding body 16, so that the shoe to a low height or even can be lowered to the surface of the sliding board.
  • This additional tour position is particularly suitable for walking in flat terrain.
  • a climbing aid which can be brought into the pivoting region of the shoe for example the climbing aid 76, is pivotally mounted on the binding body 16 so that it can be folded between an active position and a passive position.
  • two or more tour positions can be realized in one and the same rotational position of the binding body 16 with respect to the axis M, depending on whether the climbing aid is folded forward in an active position or folded into a passive position to the rear.
  • two or more climbing aids can be kept folded back and forth on the binding body 16 in order to provide further variability of the height of the climbing aid.
  • the rotation of the binding body 16 about the axis M is controlled by a one-way rotational coupling.
  • the one-way rotational coupling comprises a first control section 30, which is formed on the binding body 16 and is realized, for example, directly by a portion of the housing of the binding body 16, which protrudes from the rotation axis M anyway.
  • the first control section 30 is formed on the housing section, which receives the Mz release spring 52.
  • a second control portion 32 of the one-way rotational coupling is with the base
  • the second control section 32 is preferably held at the foot portion 63 of the journal 46 so that it moves along with the displacement of the binding body 16 along the X direction (for suspension or for shoe size adjustment).
  • the connection between the second control section 32 and the foot section 63 can be realized in that the second control section 32 comprises a sheet 33 of a spring material, for example spring steel, which is fastened to an underside of the foot section 63, for example by retaining tabs 34 on the edge of the sheet 33, which surround an edge of the foot portion 63.
  • the sheet 33 may be received between the foot portion 63 and the surface of the sliding board 14 and move together with the bearing pin 46 in the X direction.
  • the second control portion 32 may be connected to the fastener 12 or attached directly to the gliding board when the movement / adjustment in the X direction with the binding body 16 is omitted altogether.
  • the second control section 32 has a wedge member 38 which is adapted to contact the binding body 16 in contact with the first control section 30.
  • the wedge member 38 is movable in the vertical direction and biased by a spring.
  • the wedge member is disposed on a one-piece extension 39 of the sheet 33, so that the extension 39 forms an integrally connected to the sheet 33 leaf spring.
  • the extension 39 may have a kink line K, at which the extension 39 from the plane of the sheet 33 is inclined upwards.
  • the wedge element 38 can then be formed by a free end of the extension 39, which is optionally bent upwards towards the first control section 30, or by an engagement element attached to the free end of the extension 39.
  • the engagement element may be, for example, a cap attached to the extension 39 made of plastic.
  • FIGS. 5a to 6b illustrate the profile of the wedge member 38.
  • the first control section 30 slides on a first flat edge 42 of the wedge member 38 on the wedge member 38 and then slides on a steep flank 44 again from the wedge member 38 from.
  • the second control section 32 deviates downward against the force of the extension 39 acting as a leaf spring, so that the first control section 30 can pass.
  • a predetermined angular range An angular portion of the binding body 16 from a rotational position in which the first control section 30 just slides onto the wedge element 38 to a rotational position in which the first control section 30 slides away from the wedge element 38 (after the steep flank 44, FIG. Fig. 5a and 5b ) is referred to as a predetermined angular range in the present disclosure.
  • a rotation of the binding body 16 in the second direction of rotation R 2 due to the flat edge 42 is possible.
  • a rotation of the bond body 16 in a direction opposite the second rotational direction R 2 the first rotational direction R 1 is possible via this angular range in normal use does not, since the first control section 30 can not overcome the steeper flank 44 in rotation in the direction R. 1 In this way, a one-way rotational coupling is realized in the predetermined angular range.
  • the blocking of the rotation in the first direction of rotation R 1 on the steep flank 44 is preferably arranged so that a torque necessary to overcome the steep flank 44 in the direction of rotation R 1 is greater, preferably more than twice or more than ten times greater, as a required in the second direction of rotation R 2 torque to overcome the flat edge 42.
  • a torque necessary to overcome the steep flank 44 in the direction of rotation R 1 is greater, preferably more than twice or more than ten times greater, as a required in the second direction of rotation R 2 torque to overcome the flat edge 42.
  • the first control section 30 and the steep flank 44 should preferably be configured such that in this case the wedge element 38 is also in the first direction of rotation R 1 can be overcome to prevent damage to the heel unit.

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  • Bolts, Nuts, And Washers (AREA)
  • Braking Arrangements (AREA)

Claims (14)

  1. Unité de talon (10) pour une fixation de ski de randonnée, dans laquelle l'unité de talon (10) est réglable entre une position de descente dans laquelle elle maintient une partie de talon d'une chaussure de planche de glisse, et une position de ski de randonnée dans laquelle elle libère la partie de talon,
    dans laquelle l'unité de talon comprend :
    - une base (12, 18) qui présente un agencement de fixation (12) pour la fixation à une planche de glisse (14) et qui présente en outre un palier rotatif (18) qui définit un axe de rotation (M) s'étendant de manière orthogonale à un plan de planche de glisse (E), et
    - un corps de fixation (16) qui présente des moyens de couplage (24l, 24r) pour l'accouplement d'une partie de talon d'une chaussure de planche de glisse et qui est maintenu sur le palier rotatif (18) de manière à pouvoir tourner autour de l'axe de rotation (M) de sorte que, dans la position de descente, les moyens de couplage (24l, 24r) soient orientés dans une direction avant pour mettre en prise la partie de talon de la chaussure de planche de glisse et, dans la position de ski de randonnée, les moyens de couplage (24l, 24r) soient orientés dans une direction différente de la direction avant,
    dans laquelle le corps de fixation (16) présente une première partie de commande (30) qui entre en contact, pendant une rotation du corps de fixation (16) dans une direction de la position de descente à la position de ski de randonnée, avec une deuxième partie de commande (32),
    dans laquelle la première partie de commande (30) et la deuxième partie de commande (32) forment un couplage en rotation unidirectionnel, de sorte qu'une rotation du corps de fixation (16) par rapport à la base (12, 18) soit bloquée dans une première direction de rotation (R1) dans une plage angulaire prédéterminée, mais qu'une rotation du corps de fixation (16) par rapport à la base (12, 18) soit possible dans la deuxième direction de rotation (R2) opposée à la première direction de rotation (R1) sur la même plage angulaire prédéterminée,
    caractérisée en ce
    que la deuxième partie de commande (32) est maintenue à la base (12, 18), de sorte que la deuxième partie de commande (32) soit montée indépendamment d'un dispositif de freinage de la fixation de ski de randonnée.
  2. Unité de talon (10) selon la revendication 1, caractérisée en ce qu'au moins l'une parmi la première partie de commande (30) et la deuxième partie de commande (32) est maintenue de manière mobile à distance du plan de planche de glisse (E) ou en direction du plan de planche de glisse (E), de sorte qu'elle puisse dévier lors de la rotation du corps de fixation (16) dans la plage angulaire prédéterminée dans la deuxième direction de rotation (R2) et de la mise en contact de la partie de commande (30, 32).
  3. Unité de talon (10) selon la revendication 1 ou la revendication 2, caractérisée en ce que la partie de commande (32) maintenue de manière mobile est précontrainte par un ressort (33, 39), en particulier par un ressort à lame, vers l'autre partie de commande (30) .
  4. Unité de talon (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que la deuxième partie de commande (32) est reliée au palier rotatif (18).
  5. Unité de talon (10) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une position du palier rotatif (18) peut être réglée par rapport à l'agencement de fixation (12), en particulier peut être réglée le long d'un axe longitudinal de planche de glisse (L).
  6. Unité de talon (10) selon la revendication 5, caractérisée en ce que le palier rotatif (18) comprend un chariot (63) qui est maintenu de manière à pouvoir coulisser sur l'agencement de fixation (12).
  7. Unité de talon (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que la deuxième partie de commande (32) n'est maintenue essentiellement que par un ressort (33, 39) à la base (12, 18), qui contraint la deuxième partie de commande (32) vers la première partie de commande (30) et/ou que la première partie de commande (30) n'est maintenue essentiellement que par un ressort au corps de fixation (16) qui contraint la première partie de commande (30) vers la deuxième partie de commande (32).
  8. Unité de talon (10) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une partie de commande (32) parmi la première partie de commande (30) et la deuxième partie de commande (32) présente une saillie (38) asymétrique, dans laquelle l'autre partie de commande (30) bute de manière bloquante sur la saillie (38) lors de la rotation du corps de fixation (16) dans la plage angulaire prédéterminée de la première direction de rotation (R1), et lors de la rotation du corps de fixation (16), glisse sur la saillie (38) dans la deuxième direction de rotation (R2) dans la plage angulaire prédéterminée, et passe par-dessus la saillie (38).
  9. Unité de talon (10) selon la revendication 8, caractérisée en ce que, par rapport à la deuxième direction de rotation (R2), un flanc montant (42) de la saillie (38) est plus plat qu'un flanc descendant (44) de la saillie (38).
  10. Unité de talon (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que la deuxième partie de commande (32) est disposée latéralement à un axe longitudinal de planche de glisse (L) à côté du corps de fixation (16) ou à l'arrière du corps de fixation (16).
  11. Unité de talon (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que la première partie de commande (30) est formée par une partie de logement du corps de fixation (16), dans laquelle partie de logement est reçu un ressort (52) d'un mécanisme de déclenchement de l'unité de talon (10) .
  12. Unité de talon (10) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un angle mesuré dans la première direction de rotation (R1) entre la position de ski de randonnée et la position de descente du corps de fixation (16) est plus petit qu'un angle mesuré dans la deuxième position de rotation (R2) entre la position de ski de randonnée et la position de descente du corps de fixation (16).
  13. Unité de talon (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'unité de talon (10) présente un auxiliaire de montée (74, 76) qui est placé ou peut être placé dans une position active dans une position de ski de randonnée de l'unité de talon (10) pour caler une chaussure de planche de glisse à une hauteur prédéterminée sur le plan de planche de glisse (E).
  14. Unité de talon (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que les moyens de couplage (24l, 24r) comprennent deux pointes de couplage parallèles, dépassant dans une direction horizontale du corps de fixation (16), qui sont orientées vers l'avant dans la position de descente.
EP14189515.1A 2013-10-25 2014-10-20 Unité de talon pour une fixation de ski de randonée Active EP2865427B1 (fr)

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DE201310221778 DE102013221778A1 (de) 2013-10-25 2013-10-25 Ferseneinheit für eine Tourenbindung

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DE102020200487A1 (de) * 2020-01-16 2021-07-22 Salewa Sport Ag Ferseneinheit mit verdrehsicherung für eine tourenbindung
DE102020203271A1 (de) * 2020-03-13 2021-09-16 Salewa Sport Ag Ferseneinheit mit auslöse- und verstellmechanismus
DE102021001052A1 (de) 2020-11-06 2022-05-12 Lukas Ernst Ferseneinheit für Tourenbindung mit automatischer Steighilfenverstellung sowie Verfahren zum Positionieren von Schuhauflagen
DE102021131143A1 (de) 2021-11-26 2023-06-01 Salewa Sport Ag Ferseneinheit einer Tourenbindung, umfassend eine einstückige Steighilfe mit mehreren Abstützmöglichkeiten

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AT381458B (de) 1985-03-25 1986-10-27 Barthel Fritz Tourenskibindung
AT402020B (de) 1993-08-19 1997-01-27 Barthel Fritz Fersenbacken für eine skibindung
EP2259850B2 (fr) * 2008-02-29 2023-03-15 G3 Genuine Guide Gear Inc. Unité talon pour fixation de randonnée en montagne
DE102011079210A1 (de) * 2011-07-14 2013-01-17 Salewa Sport Ag Ferseneinheit für eine Tourenskibindung
ITTO20120046A1 (it) * 2012-01-21 2013-07-22 Stefano Maruelli Sistema di bloccaggio
DE202012002705U1 (de) 2012-03-14 2013-06-17 Salewa Sport Ag Ferseneinheit für eine Tourenbindung
DE102014109601A1 (de) * 2013-07-09 2015-01-15 G3 Genuine Guide Gear Inc. Skibindungsferseneinheit

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