EP3437703B1 - Bremsvorrichtung für tourenski - Google Patents

Bremsvorrichtung für tourenski Download PDF

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Publication number
EP3437703B1
EP3437703B1 EP18184630.4A EP18184630A EP3437703B1 EP 3437703 B1 EP3437703 B1 EP 3437703B1 EP 18184630 A EP18184630 A EP 18184630A EP 3437703 B1 EP3437703 B1 EP 3437703B1
Authority
EP
European Patent Office
Prior art keywords
clipping
locking device
ski
holding element
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
EP18184630.4A
Other languages
English (en)
French (fr)
Other versions
EP3437703A1 (de
Inventor
Gérard Thomas
Yohan FRANCOIS
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.)
Skis Rossignol SA
Original Assignee
Skis Rossignol SA
Rossignol SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Skis Rossignol SA, Rossignol SA filed Critical Skis Rossignol SA
Publication of EP3437703A1 publication Critical patent/EP3437703A1/de
Application granted granted Critical
Publication of EP3437703B1 publication Critical patent/EP3437703B1/de
Active 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
    • A63C9/08—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
    • A63C7/00—Devices preventing skis from slipping back; Ski-stoppers or ski-brakes
    • A63C7/10—Hinged stoppage blades attachable to the skis in such manner that these blades can be moved out of the operative position
    • A63C7/1006—Ski-stoppers
    • A63C7/1013—Ski-stoppers actuated by the boot
    • A63C7/102—Ski-stoppers actuated by the boot articulated about one transverse axis
    • A63C7/1026—Ski-stoppers actuated by the boot articulated about one transverse axis laterally retractable above the ski surface
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C7/00—Devices preventing skis from slipping back; Ski-stoppers or ski-brakes
    • A63C7/10—Hinged stoppage blades attachable to the skis in such manner that these blades can be moved out of the operative position
    • A63C7/1006—Ski-stoppers
    • A63C7/1013—Ski-stoppers actuated by the boot
    • A63C7/1033—Ski-stoppers actuated by the boot articulated about at least two transverse axes
    • A63C7/104—Ski-stoppers actuated by the boot articulated about at least two transverse axes laterally retractable above the ski surface
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C7/00—Devices preventing skis from slipping back; Ski-stoppers or ski-brakes
    • A63C7/10—Hinged stoppage blades attachable to the skis in such manner that these blades can be moved out of the operative position
    • A63C7/1006—Ski-stoppers
    • A63C7/1046—Ski-stoppers actuated by 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
    • A63C9/08—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
    • A63C9/0841—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable with a single jaw
    • A63C9/0842—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable with a single jaw the jaw pivoting on the body or base about a transverse 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
    • A63C9/086—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 invention relates to a rear retaining element for binding a boot to a ski, particularly suitable for ski touring. It also relates to a device for fixing a boot to a ski incorporating such a rear retaining element. Finally, it also relates to a ski to which is fixed such a binding device or such a rear holding element.
  • ski touring requires two different phases of ski operation.
  • a first phase of ascent or more generally of walking, the skier advances by lifting his heel, which is not secured to the ski.
  • no ski braking device is used.
  • a second phase of descent the skier has his boot fully secured to the ski, and practices skiing as in the case of alpine skiing. He therefore needs a binding device equipped with a trigger mechanism allowing him an automatic release of the boot in the event of a fall, to avoid any injury and ensure his safety.
  • a braking device is then also essential to automatically brake the ski in the event of the binding device being released, to prevent the ski from continuing to slide.
  • the braking device of the ski touring is generally equipped with a locking device, which makes it possible to block it and make it inactive in the first ascent phase.
  • the locking device When going downhill, the locking device is in an unlocked configuration, in which the brake operates similarly to the brakes fitted to alpine skis.
  • the document WO2012 / 024809 A1 describes this type of braking device for hiking which discloses a heel grip with a vertical axis of rotation for the release and whose locking device is fixed relative to the pedal of the braking device.
  • the existing solutions remain unsatisfactory and the object of the present invention is to provide a braking device for ski touring which is simple, user-friendly and reliable.
  • the invention is based on a rear retaining element for a binding of a boot on a ski according to claim 1.
  • the release lever can comprise an actuating element, in particular at least one cam, of the locking device. It can act by directly pressing on the locking device, in particular its locking member.
  • the heel grip can include a stop surface for maintaining the locking device in its unlocked position when the heel grip is in its holding position.
  • the release lever can be a single piece element.
  • the invention also relates to a binding device for a ski, characterized in that it comprises a front holding element of a boot and a rear holding element of a boot as described above.
  • the invention also relates to a ski characterized in that it comprises such a ski binding device.
  • the longitudinal axis X as the horizontal axis extending from the rear to the front of the ski, the front and the rear being defined by the ordinary direction movement of a skier in a straight line, the skier moving from back to front.
  • the transverse axis Y is defined as the horizontal axis perpendicular to the longitudinal axis X, the left and the right being defined according to the point of view of the skier.
  • the vertical Z axis is perpendicular to the horizontal plane defined by the X and Y axes, oriented upwards. We assume that the ski is resting on level ground.
  • the figure 1 schematically illustrates an embodiment of a ski 1 provided with a binding device 2 according to the invention.
  • the binding device comprises a front holding element 3 and a rear holding element 4.
  • the front holding element 3 is able to cooperate with the front of a ski boot 6 and the rear holding element is suitable. at cooperate with the back of the ski boot.
  • Skiing is intended for ski touring. Ski touring mainly comprises two phases of use.
  • the skier During a first phase, called the ascent phase, the skier walks with the ski, generally on sloping terrain which he climbs up.
  • the skier's boot is fixed to the ski only by means of the front support element 3.
  • the front support element comprises a pivot connection of axis Y1, parallel to the transverse axis. Y which allows the skier to lift the heel and thus facilitates his progression in a natural walking movement.
  • the heel of the boot follows a circular path T1 around the axis Y1 of the pivot connection of the front support element.
  • the skier practices skiing in the manner of alpine skiing and descends a sloping terrain.
  • the rear of the boot in particular a heel 6a of the boot, for example by a sidewalk 6b arranged in the heel 6a, is fixed to the ski by means of the rear retaining element.
  • the pivot connection of the front holding element is therefore blocked and the boot is secured to the ski.
  • the skier may have to manipulate the ski to prepare him for the next phase.
  • the skier can stick or take off anti-recoil lint on the ski sole.
  • the ski and / or the binding device could be used for any other sliding sport, for example for telemark, or even alpine skiing or cross-country skiing.
  • the rear retaining element 4 in particular at least partially visible on the figure 8 , comprises a heel grip 7, a braking device 8, a locking device 9 of the braking device 8, and a lever 10. These elements are mounted on a base 11.
  • This base 11 has two vertical fins 30a, 30b positioned on the lateral sides of the base 11 on which is mounted the axis of rotation 31 of the lever 10 and of the heel grip 7.
  • the rear retaining element 4 also comprises a plate 12 comprising guide slides for adjusting the longitudinal position 12 of the base 11, in a known manner, visible on the figure 9 .
  • This device for adjusting the longitudinal position of the base 11 makes it possible to adjust the position of the base on a ski in order to adapt to the size of the boot.
  • the rear support element 4 also comprises a heel rest 14 on which the lower face of the heel of a shoe rests, and which also makes it possible to achieve lateral support of the shoe during the descent phase, thanks in particular to two flanges 14a, 14b on either side of the shoe.
  • the rear retaining element 4 is symmetrical along a longitudinal and vertical median plane of symmetry XZ.
  • the heel grip 7 is movable in rotation between a heel holding position 6a of a shoe, visible on the figures 5 and 6 , in the descent configuration, and an open position in which the heel grip does not hold the heel, for example visible on the figure 4 , in the boot configuration.
  • the heel grip comprises a jaw or an edge 7a extending substantially horizontally forwards.
  • the edge 7a covers the upper surface of a sidewalk 6b to hold the shoe.
  • the force produced by the heel grip to hold the heel of the shoe can be adjusted by means of a release adjustment device 13.
  • a release adjustment device in particular visible on the figures 3 , 6 and 12 , may include a spring 13a and a screw 13b for adjusting the hardness of the spring.
  • the heel grip is movable in a rotational movement relative to the base 11 along an axis parallel to the transverse axis Y between the holding position and the open position. In the open position, the heel grip is therefore tilted backwards by a simple rotation so that the edge 7a is positioned outside the path T1 of the sidewalk 6b of a shoe during the practice of walking, shown on the figure 1 .
  • a shoe 6 can pivot around the axis Y1 of the pivot connection of the front support element without hitting the heel grip 7.
  • the heel grip is not animated. a complementary translational movement backwards in the ascent configuration, but in all cases can only take the two positions mentioned above, that is to say the open and hold positions, by a single rotational movement.
  • This solution has the advantage of allowing the rear holding element to have a simple architecture, while making it possible to achieve a configuration favorable to the ascent phase. More precisely, the open position allows both the fitting of the heel piece but also the lifting of the heel of the shoe for the ascent, due to the mounting on the heel grip 7 of a retractable foot pedal 35, as explained by the following.
  • the braking device 8 is movable between an active braking position, for which the braking device brakes the ski, and an inactive non-braking position, for which the braking device does not brake the ski.
  • the braking device visible in the active position on the figures 10 and 11 , comprises a conventional brake used on an alpine ski, such as for example described in the document FR2788991 .
  • the brake comprises a pedal 15 intended to receive the support of the ski boot, generally a rear part of the sole of the boot, to allow it to be tilted from the active position to the inactive position. particularly represented on figures 8 and 9 .
  • the brake comprises a continuous metal element 16 comprising two braking branches 16a, 16b, intended for an arrangement on either side of the ski.
  • the brake may be non-continuous, be presented in several distinct parts, comprising in particular two distinct lateral branches.
  • the braking branches In the active position of the braking device, the braking branches extend downwards under the lower surface of the ski in order to rub against the snow and brake the ski.
  • the braking branches In the inactive position of the braking device, the braking branches extend parallel to the ski, above the lower surface of the ski so as to avoid any contact with the snow.
  • the branches of the braking device are thus substantially driven by a rotational movement.
  • the braking device occupies a fixed position longitudinally relative to the base 11.
  • the metal element 16 is symmetrical with respect to the plane of symmetry XZ and is movable in rotation with respect to the base 11 along an axis Y2, shown in figure 10 , parallel to the transverse axis Y.
  • the metal element comprises on each branch a transverse zone 16c able to cooperate with the base.
  • the metal element also comprises a second transverse zone 16d passing through the pedal 15.
  • the pedal is fixed to the metal element by a pivot connection along an axis parallel to the transverse axis Y.
  • the pedal can be driven by a rotational movement around the Y2 axis while remaining substantially horizontal.
  • a high position of the pedal corresponds to an active position of the braking device, in which its branches 16a, 16b extend downwards.
  • a low position of the pedal corresponds to an inactive position of the braking device, in which its branches 16a, 16b are raised to avoid any contact with the ground.
  • the metal element 16 has a natural elastic property which tends, in the absence of solicitation of the pedal, to position the braking device in its active position.
  • the brake may include any return spring tending to return it to the active braking position.
  • the locking device 9 is movable between a locking position, for example visible on the figures 2 and 7 , for which the locking device is able to maintain the braking device in its inactive position, and an unlocking position, for example visible on the figures 4 and 5 , for which the locking device does not maintain the braking device in its inactive position.
  • the pedal 15 comprises a hook 17, visible in particular on the figures 2, 3 and 10 , produced in the body of the pedal and the locking device 9 comprises a corresponding locking member, in the form of a hook 18, in particular visible on the figures 2 and 3 , movable in a sliding connection along the longitudinal axis X.
  • the two hooks 17, 18 are able to cooperate to maintain the braking device in its inactive position.
  • a locked inactive position of the brake is obtained.
  • the locking device 9 When the locking device 9 is in the locking position, its hook 18 is in a rear position in which it is able to cooperate with the hook 17 of the pedal.
  • the locking device 9 When the locking device 9 is in the unlocking position, its hook 18 is in an advanced position, in which it can no longer cooperate with the hook 17 of the pedal.
  • the locking device 9 further comprises a return spring 19 exerting a return force on the hook 18, tending to return it to its rear locking position.
  • the hook 18 of the locking device 9 When the hook 18 of the locking device 9 is in an advanced position, it is not located in the path of the hook 17 of the pedal 15.
  • the active or inactive position of the braking device is then controlled only by a vertical support on the pedal 15, the braking device is unlocked. If the shoe presses on the pedal, the branches 16a, 16b of the brake pivot upwards and the braking device is inactive. If the shoe does not exert pressure on the pedal, the pedal rises thanks to its elastic property, the branches 16a, 16b of the brake then being lowered into the braking position, and the braking device is active.
  • the hook 18 of the locking device 9 When the hook 18 of the locking device 9 is in its rear position, it is located in the path of the hook 17 of the pedal 15. As long as the braking device is active, the two hooks 17, 18 are not engaged. As soon as the braking device is in the inactive position, for example following the pressing of a shoe on the pedal 15, the hook 18 can hook the hook 17 of the pedal 15. When the two hooks 17, 18 cooperate, c That is, they are engaged with each other, the pedal 15 is kept in its low position, and the braking device 8 is therefore kept inactive.
  • the two hooks each comprise a chamfer arranged so that the resting of their respective chamfers causes an elastic displacement of the hook 18 of the locking device 9 forwards to allow the passage of the hook. 17 of the pedal under this hook 18.
  • the hook 17 of the pedal has passed under the hook 18, the latter resumes its rearward position thanks to the effect of the return spring 19.
  • the locking device 9 could be arranged differently.
  • the longitudinal position of the two hooks 17, 18 could be reversed.
  • the return spring 19 could be supported by the pedal.
  • the connection between the hook 18 and an actuator 20, which will be specified later, can have different shapes.
  • the lever 10, shown in figure 14 is movable relative to the heel grip 7 between at least one ascent position and an entry position.
  • the lever is able, during its movement from the mounted position to the boot position, to move the locking device 9 from its locking position to its unlocking position.
  • the locking device 9 comprises an actuating member 20, particularly visible on the figures 2 , 4 and 10 , integral with the hook 18, and capable of interacting with the lever 10.
  • the actuator 20 is also movable in sliding connection along the longitudinal axis X relative to the base.
  • the actuator member can be housed in a recess formed in the base, the shape of which allows the actuator member to slide along the longitudinal axis X.
  • the lever 10 is movable relative to the 'grips heel 7 and relative to the base 11 in a pivot connection of axis Y3.
  • the lever can be a one-piece element, preferably made from injected plastic.
  • the lever can be formed from two parts or even more parts rigidly fixed together.
  • the lever 10 surrounds the heel grip on the left and on the right, by two flanks 21a, 21b, visible on the figure 12 , oriented substantially parallel to the longitudinal axis X and to the vertical axis Z.
  • These two blanks 21a, 21b are themselves surrounded by vertical fins 30a, 30b of the base 11.
  • These two flanks are connected at their upper end by a bridge 22 able to pass above the heel grip 7.
  • the bridge 22 can have an ergonomic shape suitable for manual actuation or for actuation by through a ski pole.
  • the bridge 22 comprises a cavity 22a capable of receiving the support of the tip of a stick to push on the lever.
  • the bridge 22 also comprises a semi-circular opening 22b at its rear end capable of accommodating the handle of a stick for pushing the lever, a washer of the stick then passing under the lever.
  • the two sides 21a, 21b each include an opening 23 supporting the axis Y3 of rotation and an actuating cam 24.
  • the axis Y3 is located in a lower part of the lever 10 and the two cams 24 are located below the 'axis Y3 of rotation of the lever, at the lower ends of each flank 21a, 21b.
  • the two cams 24 exert or not a support on the actuating member 20.
  • the rear retaining element being in the up configuration, represented on figures 2 and 3 , the two cams 24 do not bear on the actuating member 20.
  • the position of the actuating member 20 (and of the hook 18 which is integral with it) is therefore only imposed by the effect of the return spring 19.
  • the hook 18 is then positioned rearwardly, that is to say in the direction of the hook 17 of the pedal 15, in a configuration where it can fulfill its function of locking the braking device.
  • the rear retaining element In the passage from the ascent position to the position for putting on the lever further back, the rear retaining element then coming into the putting on configuration, shown in FIG.
  • the two cams 24 bear on the actuating member 20 towards the front, oriented along the longitudinal axis X, against the return spring.
  • the actuator 20 is thus translated forward, driving the hook 18 likewise forward, and the locking device is then moved to the unlocking position.
  • the engagement position of the lever corresponds to a position of the lever lowered towards the rear.
  • the upward position of the lever corresponds to an intermediate position, partially straightened forward.
  • the lever 10 acts on the locking device, so as to induce sufficient displacement, according to a longitudinal translation in this embodiment, in order to position it in its unlocking position, a position which is then maintained by the heel grip, or even by the lever itself.
  • the lever 10 of the embodiment may comprise a third raised position, substantially vertical, in the descent and / or ascent configuration with wedge of the rear retaining element.
  • the actuator 20 is in the form of a fork arranged generally horizontally, particularly visible on the figure 10 .
  • the actuator 20 comprises a forward arm 20a carrying the locking member, that is to say the hook 18 in the embodiment, parallel to the longitudinal axis X, substantially in the middle of the rear retaining element 4.
  • the arm 20a interacts with the return spring 19 and supports the hook-shaped locking member 18 at its front end.
  • the return spring 19 is housed in a longitudinal and cylindrical recess of the arm 20a. It bears on the one hand against a transverse and vertical face 25 of the base 11 and on the other hand against the bottom of the recess of the arm 20a.
  • the actuating member 20 further comprises two lateral lugs 20b oriented towards the rear, parallel to the longitudinal axis X, and able to cooperate with the two cams 24 of the lever 10. As a variant, a single tab 20b would suffice to actuate the actuator member.
  • the actuating member 20 also comprises a central tab 20c also oriented towards the rear, able to cooperate with a stop surface 26 disposed at the front of the heel grip 7. When the heel grip 7 is in position support, the stop surface 26 exerts a support on the central tab 20c oriented along the longitudinal axis X against the return spring 19. Thus, the stop surface 26 can maintain or participate in maintaining the locking device 9 in its unlocked position. Note, in the lever engagement position, the heel grip is in the open position and the lever 10 alone maintains the locking device 9 in its unlocked position.
  • the lever 10 can then be moved from its rear boot position to any other position without the locking device 9 tilting into its locking position.
  • the stop surface 26 is positioned on the heel grip 7 so that, in the open position of the heel grip, it does not exert any support on the central tab 20c.
  • the central tab 20c is arranged vertically and comprises a vertical and transverse bearing face able to cooperate with the stop surface 26.
  • the lever 10 is movable up to a third substantially vertical raised position, represented by the figures 5 to 7 .
  • the bridge 22 connecting the two sides of the lever 10 is substantially in line with the axis Y3 of rotation of the lever.
  • Each side comprises a protuberance 27 forwards positioned on the path T1 of the sidewalk when the skier walks with the ski.
  • the lever 10 forms a wedge for assisting the ascent for the heel of the boot.
  • the lever therefore has protuberances 27 which pass over the sides of the boot, making it possible to avoid contact between the lever in the raised position and the heel of the boot in the descent phase, that is to say when the heel is pressed against the base with the heel grip in the holding position.
  • the raised position of the lever can be used equally well in the ascent phase with wedge and in the descent phase, that is to say in the configurations for raising with wedge and lowering the rear retaining element.
  • the rear support element 4 also comprises a boot pedal 35, particularly visible on figures 10, 11 and 15 , movable relative to the heel grip 7 and relative to the base 11 between two or three positions. In particular, it occupies a boot position, shown on the figures 10, 11 and 15 , in the fitting configuration of the rear support element, in which it is able to receive the support of the heel of a shoe during a fitting phase, support which causes the heel grip 7 to rotate downwards. , up to the lowering configuration of the rear support element.
  • a boot pedal 35 particularly visible on figures 10, 11 and 15 , movable relative to the heel grip 7 and relative to the base 11 between two or three positions. In particular, it occupies a boot position, shown on the figures 10, 11 and 15 , in the fitting configuration of the rear support element, in which it is able to receive the support of the heel of a shoe during a fitting phase, support which causes the heel grip 7 to rotate downwards. , up to the lowering configuration of the rear support element.
  • the boot pedal 35 is articulated on the heel grip 7. It is in the form of a metal wire bent in the shape of a “U”.
  • a transverse portion 35a of the boot pedal forms the base of the "U” and is disposed forward.
  • the transverse portion 35a is extended on either side by two branches 35b articulated in rotation on the heel grip.
  • the pedal boot 35 is subjected to a return spring tending to position it in its retracted position.
  • the lever 10 comprises a cam 44, visible on the figure 15 , which acts on the boot pedal to cause it to rotate downwards against the return spring, in particular to reach its boot position, when switching to the boot configuration of the rear retaining element by actuation lever 10.
  • the rear retaining element is able to take various configurations C1, C2, C3, C4 corresponding to different phases of use of the ski.
  • a C1 climb configuration shown on figures 2, 3 , 8 and 9 the lever 10 is in its up position in a partially raised intermediate position, the heel grip 7 is in its open position, the locking device 9 is in its locking position, the boot pedal 35 is in a retracted position and the braking device 8 is in the locked inactive position.
  • This configuration corresponds to a phase of use of the ski uphill. Note that if prior to this configuration, the braking device is active, it suffices to exert a pressure with the shoe on the pedal to engage the two hooks of the locking device and thus maintain the braking device in the inactive position. . Thus, the braking device does not hinder the skier's walking.
  • a C2 boot configuration shown on figures 4 , 10 and 11 , the lever 10 is in its boot position tilted backwards, the heel grip 7 is in its open position, the brake pedal 15 is in the up position, the boot pedal 35 is in a lowered position and the device lock 9 is in its unlocked position.
  • Such a configuration corresponds to a state of the ski prior to the phase of descent, in which the skier is getting ready to put on the ski, that is to say getting ready to tilt the heel grip from its open position to its position of holding against the pavement of the boot.
  • the braking device 8 is naturally in the active position since the locking device is unlocked.
  • the lever 10 In a C3 descent configuration, shown on figures 5 and 6 , the lever 10 is in the third position raised forwards or forward position, the heel grip 7 is in its holding position, the locking device 9 is in its unlocking position, the braking device 8 is in position inactive because a shoe (not shown on the figures 5 and 6 ) is pressing on the pedal.
  • the braking device would automatically switch to the active position because the locking device is in the unlocking position.
  • the positions of the lever 10 for raising with wedge and lowering correspond here to the position most raised towards the front and are similar in the embodiment presented but as a variant, the position of Climbing with wedge could be different and in particular even more raised forward.
  • the lever 10 fulfills a first function of actuating the locking device, allowing its automatic passage from the locking position to the unlocking position when it is turned forwards. .
  • the lever 10 fulfills a second function of automatically actuating the heel grip 7.
  • the lever 10 also comprises a means of interaction with the heel grip.
  • this interaction means comprises a cam 54, shown in figure 15 . More exactly, two cams 54 are arranged on the two lateral flanks of the lever 10. In particular, when the lever 10 is in its rear entry position, it maintains the heel grip 7 in its open position. When the heel grip 7 is engaged with a boot, in the descent configuration C3 of the rear retaining element, the lever 10 is in its raised position.
  • a skier can simply manipulate the lever 10 towards the putting on or climbing position, which causes a tilting of the heel grip 7 from its holding position to its open position.
  • the lever 10 is thus a release lever.
  • the lever 10 combines different functions: firstly, it is able to control the locking device, secondly, it is able to tilt the heel grip into its open position and thirdly, it is able to form a hold climb aid. As a variant, this third function could be optional.
  • the lever 10 also controls the positioning of the boot pedal 35 of the rear support element.
  • boot position the boot pedal 35 is able to be actuated by a ski boot.
  • the transverse portion 35a is then positioned approximately halfway between the base 11 and the edge 7a of the heel grip.
  • the transverse portion is positioned on the path of the heel of the boot when the boot is attached to the front support element.
  • This position of the boot pedal 35 is obtained when the rear retaining element is in the boot configuration C2.
  • the heel grip 7 switches from its open position to its holding position.
  • the boot pedal 35 descends into a first rest position tilted downwards, against the base, as shown for example on the figure. figure 6 in descent configuration.
  • the transverse portion 35a is embedded in a housing of the heel rest 14 surmounting the base.
  • the transverse portion is then located under the sole of a boot in the descent phase, that is to say in engagement with the heel grip.
  • the boot pedal 35 can also take a second retracted position, tilted upwards, against the heel grip. In this position, the transverse portion is tilted upwards and is positioned directly under the edge 7a of the heel grip which is then in the open position.
  • Such a position of the boot pedal corresponds to the C1 climb configuration of the rear support element and is particularly visible on figures 2, 3 , 8 and 9 .
  • the boot pedal is thus positioned outside the path T1 of the heel of the boot when the ski is used in the ascent phase, that is to say when the boot is only fixed by the front holding element.
  • the boot pedal 35 is therefore not able to be actuated by a ski boot and does not interfere with the tilting movement of the boot (trajectory T1), the heel of the boot then being able to come into contact with the base 11 .
  • the lever 10 is movable in rotation between three rear, front and raised positions. These positions can be distinguished by a rotation of the lever 10 according to an amplitude greater than or equal to 45 degrees between the ascent and entry positions, preferably greater than or equal to 60 degrees.
  • the rear retaining element 4 comprises an indexing mechanism.
  • the indexing mechanism comprises two indexing pins 28 integral with the base, each arranged on either side of the base 11, and more precisely on the internal faces of the lateral fins 30a, 30b of the base 11 , and two counter-forms 29, able to cooperate with the two indexing pins.
  • Each of the counter-forms 29 are hollowed out in each flank 21a, 21b of the outer surfaces of the lever 10.
  • the indexing pins could be on the lever and the counter-forms could be on the base.
  • the indexing mechanism could also include only one lug cooperating with a single counter-form arranged on the left or on the right.
  • the base 11 particularly visible on the figure 13 , comprises a wall forming vertical fins 30a, 30b lateral generally circular in shape and extending in a longitudinal and vertical plane.
  • the wall is provided with an opening 31 supporting the axis Y3 of rotation of the lever 10 and the axis of rotation of the heel grip 7.
  • the wall comprises an interior face turned towards a median plane of the binding and an exterior face , facing outward from the sub-element.
  • the indexing lug is a relief extending vertically on either side of the opening 31.
  • the indexing lug projects with respect to the inner face of the wall of the vertical fins 30a, 30b.
  • the lug may for example have the shape of a cylinder portion.
  • the counter-form comprises three recesses 29a, 29b, 29c.
  • Each recess has a complementary shape to the indexing lug.
  • the three recesses are distributed over an outer face of the side of the lever around the axis Y3.
  • the recesses are separated by angles corresponding to the positioning angles of the lever.
  • the indexing lug is opposite one of the three recesses.
  • each flank is connected to the base by an elastic means oriented transversely, that is to say acting elastically in the transverse direction Y.
  • the elastic means comprises a screw 32, a nut 33 and a Belleville washer 34, or more generally a spring washer, arranged transversely along the Y3 axis and elastically deformable along the Y3 axis.
  • the screw comprises a flat head and a shaft passing through the opening 23 of the side of the lever and the opening 31 of the vertical fins 30a, 30b of the base.
  • the outer face of the wall comprises a circular housing 37 inside which the Belleville washer is housed.
  • the screw head rests on the outer face of the wall of the base, outside the circular housing 37.
  • the Belleville washer rests on the one hand against the screw head and on the other hand against the base wall.
  • the height of the circular housing 37 along the transverse axis Y is defined so that the Belleville washer is compressed to a given height and produces a given reaction force.
  • the force produced by the Belleville washer is independent of the tightening level of the screw because the latter rests on the outside of the circular housing 34.
  • the compression of the Belleville washer depends on the height of the circular housing 37 but does not depend on not the tightening tension of the screw. To summarize, the Belleville washer is interposed between the screw head and the wall of the base.
  • the Belleville washer is interposed between the two parts indexed to each other, that is to say between part of the lever 10 and part of the base 11.
  • the wall of the base is interposed between the Belleville washer and the side of the lever.
  • the side of the lever is interposed between the wall of the base and the nut 33.
  • the position of the indexing pin inside a recess corresponds to a position of least tension in the Belleville washer. Such a position is therefore stable.
  • the position of the indexing pin between two recesses corresponds to a position of greater tension in the Belleville washer, that is to say in which the Belleville washer is compressed in a direction along the axis Y3. Such a position is therefore unstable.
  • the indexing mechanism makes it possible to feel the positions of the lever in which the indexing pin coincides with a recess, that is to say the ascent, entry and raised positions.
  • the advantage of this solution is to obtain three stable positions of the lever, avoiding untimely changes of position of the lever, as well as its premature wear due to significant friction.
  • such an indexing system could as a variant be implemented for any lever of a shoe holding element on a gliding board, for example on a simple lever for opening or blocking a holding jaw.
  • a boot forming the front or rear retaining element of a ski binding, or a displacement lever for adjusting the length of a retaining element, or a retraction lever of a rear retaining element for bring it to a remote position in a climb phase when hiking.
  • the invention also relates to an element for holding a boot on a gliding board, comprising an actuating lever cooperating with the holding element during its rotation by means of an elastic arrangement, allowing to form an indexation defining several stable positions of the lever.
  • the elastic arrangement comprises a screw, a nut and a Belleville washer, or more generally a spring washer, arranged along the axis of rotation of the lever and elastically deformable along this axis.
  • the lever, the heel grip, the base, the actuating member and the pedal of the braking device are made from an injected plastic material.
  • other materials could be considered.
  • a flat washer 36 may be inserted between the Belleville washer and said wall.
  • the locking device of the braking device can be easily operated with an ergonomic lever.
  • the lever being useful for putting on or taking off the ski, the same manipulation makes it possible both to lock or unlock the braking device and to actuate the heel grip.
  • the invention is not limited to the embodiment detailed above. It relates more generally to any release lever making it possible to actuate a locking device of a braking device.
  • the link between the lever and the locking device can be any mechanical link, via any actuating element.
  • the lever acts on the locking device by directly pressing on the locking device. More precisely, this direct support is produced on the locking member itself of the locking device or on an element which is integral with it.
  • the lever allows the locking device to be actuated from its locking position to its unlocking position and / or vice versa.
  • the lever also participates in a complementary function of maintaining one or both positions of the locking device.
  • the heel grip contributes in addition to maintaining the locking device in the unlocked position, to increase the reliability of the device. The heel grip has no effect when changing the position of the locking device.
  • the lever passing above the heel grip it offers a greater leverage than the heel grip.
  • the force required to manipulate the lever is therefore lower than to manipulate the heel grip.
  • the lever also serving as a climbing aid wedge II is not useful to provide a specific component for this function. Weight gain can therefore be obtained.
  • the braking device is automatically activated when the skier takes off the ski which increases his safety because the ski cannot be lost when handling the ski

Landscapes

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

Claims (17)

  1. Hinteres Halteelement (4) zur Bindung eines Schuhs (6) an einem Ski (1), dadurch gekennzeichnet, dass es Folgendes umfasst:
    - einen Hinterbacken (7), der mit einer Drehbewegung um eine Querachse (Y3) zwischen einer Position zum Halten eines Absatzes (6a) eines Schuhs (6) und einer offenen Position, in der der Hinterbacken (7) kein Halten eines Absatzes (6a) eines Schuhs (6) ausübt, beweglich ist, und
    - eine Bremsvorrichtung (8) eines Skis (1), die zwischen einer aktiven Position, in der die Bremsvorrichtung (8) einen Ski (1) bremsen kann, und einer inaktiven Position, in der die Bremsvorrichtung (8) einen Ski (1) nicht bremsen kann, beweglich ist, wobei die Bremsvorrichtung ein Pedal (15) umfasst, und
    - eine Vorrichtung (9) zur Verriegelung der Bremsvorrichtung (8), die ein Verriegelungsglied (18) umfasst, das in Gleitverbindung entlang der Längsachse (X) bezüglich des Pedals (15) beweglich ist, wenn die Bremsvorrichtung in ihrer inaktiven Position ist, wobei die Verriegelungsvorrichtung (9) zwischen einer Verriegelungsposition, in der die Verriegelungsvorrichtung (9) die Bremsvorrichtung (8) in ihrer inaktiven Position hält, und einer Entriegelungsposition, in der die Verriegelungsvorrichtung (9) die Bremsvorrichtung (8) nicht in ihrer inaktiven Position hält, beweglich ist, und
    - einen Schuhausstiegshebel (10), der bezüglich des Hinterbackens (7) zwischen mindestens einer Steigposition und einer Schuheinstiegsposition beweglich ist, wobei der Schuhausstiegshebel (10) im Laufe seiner Verschiebung aus der Steigposition in die Schuheinstiegsposition auf die Verriegelungsvorrichtung (9) wirkt, um sie aus ihrer Verriegelungsposition in ihre Entriegelungsposition und/oder umgekehrt zu verschieben.
  2. Hinteres Halteelement (4) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Schuhausstiegshebel (10) ein Betätigungselement, insbesondere mindestens einen Nocken, der Verriegelungsvorrichtung umfasst.
  3. Hinteres Halteelement (4) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Schuhausstiegshebel (10) durch direkte Anlage auf auf die Verriegelungsvorrichtung (9) auf diese Verriegelungsvorrichtung (9) wirkt.
  4. Hinteres Halteelement (4) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Schuhausstiegshebel (10) mindestens einen Nocken (24) umfasst und dass die Verriegelungsvorrichtung (9) mindestens eine Lasche (20b) umfasst, die sich senkrecht zu der Querachse (Y) erstreckt und sich insbesondere entlang einer Längsachse (X) erstreckt, wobei der Nocken (24) auf der Lasche (20b) zur Auflage kommt, wenn der Schuhausstiegshebel (10) aus seiner Steigposition in seine Schuheinstiegsposition verschoben wird, um die Lasche (20b) längstranslatorisch zu verschieben, um die Verriegelungsvorrichtung (9) in ihre Entriegelungsposition zu verschieben.
  5. Hinteres Halteelement (4) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es einen Sockel (11) umfasst, an dem der Hinterbacken (7), die Bremsvorrichtung (8), die Verriegelungsvorrichtung (9) und der Schuhausstiegshebel (10) montiert sind, dass der Hinterbacken (7) bezüglich des Sockels (11) drehbeweglich ist und dass die Bremsvorrichtung (8) ein metallisches Element (16) umfasst, das bezüglich des Sockels (11) drehbewegliche Bremsarme (16a, 16b) umfasst.
  6. Hinteres Halteelement (4) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Hinterbacken (7) eine Anschlagfläche (26) umfasst, um die Verriegelungsvorrichtung (9) in ihrer Entriegelungsposition zu halten, wenn der Hinterbacken (7) in seiner Halteposition ist.
  7. Hinteres Halteelement (4) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es die folgenden Konfigurationen einnimmt:
    - eine Steigkonfiguration (C1), in der der Schuhausstiegshebel (10) in seiner Steigposition, der Hinterbacken (7) in seiner offenen Position und die Verriegelungsvorrichtung (9) in ihrer Verriegelungsposition ist, und
    - eine Schuheinstiegskonfiguration (C2), in der der Schuhausstiegshebel (10) in seiner Schuheinstiegsposition, der Hinterbacken (7) in seiner offenen Position und die Verriegelungsvorrichtung (9) in ihrer Entriegelungsposition ist, und
    - eine Abfahrkonfiguration (C3), in der der Schuhausstiegshebel (10) in einer angehobenen Position, der Hinterbacken (7) in seiner Halteposition und die Verriegelungsvorrichtung (9) in ihrer Entriegelungsposition ist, und eventuell
    - eine Steigkonfiguration (C4) mit Feststeller, in der der Schuhausstiegshebel (10) in der angehobenen Position, der Hinterbacken (7) in seiner offenen Position und die Verriegelungsvorrichtung (9) in ihrer Verriegelungsposition ist.
  8. Hinteres Halteelement (4) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Schuhausstiegshebel (10) einen Nocken (54) umfasst, der mit dem Hinterbacken (7) zusammenwirkt, um den Hinterbacken (7) in seiner offenen und Schuheinstiegsposition zu halten, wenn er in seiner Steigposition ist.
  9. Hinteres Halteelement (4) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Schuhausstiegshebel (10) in einer angehobenen Position einen Steighilfe-Feststeller für einen Absatz (6a) eines Schuhs (6) bildet.
  10. Hinteres Halteelement (4) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es einen Sockel (11) umfasst, der dazu bestimmt ist, fest mit einem Ski (1) befestigt zu werden, und dass der Schuhausstiegshebel (10) gemäß einer quer zu dem Sockel (11) verlaufenden Achse (Y3) bezüglich des Sockels (11) drehbeweglich ist.
  11. Hinteres Halteelement (4) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Schuhausstiegshebel (10) oder der Sockel (11) mindestens einen Indizierungsstift (28) umfasst und dass der jeweils andere des Schuhausstiegshebels (10) oder des Sockels (11) mindestens eine Gegenform (29) umfasst, die mit dem Indizierungsstift (28) zusammenwirken kann, um eine Relativposition des Schuhausstiegshebels (10) bezüglich des Sockels (11) zu markieren.
  12. Hinteres Halteelement (4) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass es mindestens ein elastisches Mittel, insbesondere eine den mindestens einen Indizierungsstift (28) in die mindestens eine Gegenform (29) zwingende Tellerfeder (34) umfasst, die bzw. das gemäß der Querachse (Y) ausgerichtet und zwischen dem Schuhausstiegshebel (10) und dem Sockel (11) positioniert ist.
  13. Hinteres Halteelement (4) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es einen Sockel (11) umfasst, der dazu bestimmt ist, fest mit einem Ski (1) befestigt zu werden, dass das Pedal (15) mit einem Haken (17) versehen ist und dass die Verriegelungsvorrichtung (9) einen Haken (18) umfasst, wobei der Haken (18) der Verriegelungsvorrichtung (9) bezüglich des Sockels (11) zwischen einer hinteren Position und einer vorgeschobenen Position beweglich ist, wobei der Haken (18) der Verriegelungsvorrichtung (9) mit dem Haken (17) des Pedals (15) zusammenwirkt, wenn er in seiner hinteren Position ist, um die Bremsvorrichtung (8) in ihrer inaktiven Position zu halten, und der Haken (18) der Verriegelungsvorrichtung (9) nicht mit dem Haken (17) des Pedals (15) zusammenwirkt, wenn er in seiner vorgeschobenen Position ist.
  14. Hinteres Halteelement (4) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es ein Schuheinstiegspedal (35) umfasst, das bezüglich des Hinterbackens (7) beweglich und insbesondere an dem Hinterbacken (7) angelenkt ist.
  15. Hinteres Halteelement (4) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass das Schuheinstiegspedal (35) die folgenden Positionen einnimmt:
    - eine Schuheinstiegsposition, in der es von einem Skischuh (6) betätigt werden kann, und
    - eine versenkte, nach oben geklappte und insbesondere gegen den Hinterbacken (7) geklappte Position, in der das Schuheinstiegspedal (35) nicht von einem Skischuh (6) betätigt werden kann, insbesondere in der Steigkonfiguration des hinteren Halteelements (4).
  16. Bindungsvorrichtung (2) für einen Ski, dadurch gekennzeichnet, dass sie ein vorderes Halteelement (3) eines Schuhs (6) und ein hinteres Halteelement (4) eines Schuhs (6) nach einem der vorhergehenden Ansprüche umfasst.
  17. Ski (1), dadurch gekennzeichnet, dass er eine Skibindungsvorrichtung nach dem vorhergehenden Anspruch und/oder ein hinteres Halteelement (4) nach einem der Ansprüche 1 bis 15 umfasst.
EP18184630.4A 2017-07-31 2018-07-20 Bremsvorrichtung für tourenski Active EP3437703B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1757286A FR3069445B1 (fr) 2017-07-31 2017-07-31 Dispositif de freinage pour ski de randonnee

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EP3437703A1 EP3437703A1 (de) 2019-02-06
EP3437703B1 true EP3437703B1 (de) 2020-08-05

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FR (1) FR3069445B1 (de)

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FR3141075A1 (fr) 2022-10-21 2024-04-26 Skis Rossignol Dispositif de freinage pour une planche de glisse

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DE102019108350A1 (de) * 2019-03-29 2020-10-01 Marker Deutschland Gmbh Bremsvorrichtung
FR3107192B1 (fr) * 2020-02-14 2022-07-29 Felisaz S A S Talonnière pour ski de randonnée munie d’un dispositif de freinage
IT202100016991A1 (it) * 2021-06-29 2022-12-29 Atk Sports S R L Porzione posteriore di attacco da sci alpinismo

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DE202009019109U1 (de) * 2008-02-29 2016-09-05 G3 Genuine Guide Gear Inc. Ferseneinheit für Tourenskibindung
US20130181427A1 (en) * 2010-08-27 2013-07-18 Fritschi Ag - Swiss Bindings Touring heel binding having a dynamic sliding region
FR2999090A1 (fr) * 2012-12-10 2014-06-13 Rossignol Sa Dispositif de freinage pour ski de randonnee
FR2999091B1 (fr) * 2012-12-10 2019-05-10 Skis Rossignol Dispositif de freinage pour ski de randonnee a cale de montee reglable integree
DE102013201725A1 (de) * 2013-02-01 2014-08-07 Marker Deutschland Gmbh Fersenhalter mit Verriegelungshebel

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Publication number Priority date Publication date Assignee Title
FR3141075A1 (fr) 2022-10-21 2024-04-26 Skis Rossignol Dispositif de freinage pour une planche de glisse

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FR3069445B1 (fr) 2021-02-19
EP3437703A1 (de) 2019-02-06

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