EP3437703A1 - Bremsvorrichtung für tourenski - Google Patents

Bremsvorrichtung für tourenski Download PDF

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Publication number
EP3437703A1
EP3437703A1 EP18184630.4A EP18184630A EP3437703A1 EP 3437703 A1 EP3437703 A1 EP 3437703A1 EP 18184630 A EP18184630 A EP 18184630A EP 3437703 A1 EP3437703 A1 EP 3437703A1
Authority
EP
European Patent Office
Prior art keywords
heel
lever
ski
holding element
locking device
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.)
Granted
Application number
EP18184630.4A
Other languages
English (en)
French (fr)
Other versions
EP3437703B1 (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
Anticipated expiration legal-status Critical

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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 holding element of a binding of a boot on a ski, particularly suitable for ski touring. It also relates to a device for attaching a boot to a ski incorporating such a rear holding element. Finally, it also relates to a ski on which is fixed such a fixing device or such a rear holding member.
  • ski touring requires two different phases of operation of the ski.
  • a first climbing phase or more generally walking, the skier advances by raising his heel, which is not secured to the ski.
  • no ski braking device is used.
  • a second downhill phase the skier has his shoe fully secured to the ski, and practices skiing as in the case of downhill skiing. He thus needs a fixing device equipped with a trigger mechanism allowing him an automatic release of the shoe in case of fall, to avoid any injury and ensure its safety.
  • a braking device is then also essential to automatically brake the ski in case of triggering the attachment device, to prevent the ski from continuing to slide.
  • the ski touring braking device is generally equipped with a locking device, which makes it possible to block it and make it inactive in the first climbing phase. Downhill, the locking device is in an unlocked configuration, in which the brake operates in a manner similar to the brakes on alpine skis.
  • the present invention aims to provide a braking device for ski touring that is simple, user-friendly and reliable.
  • the heaving lever may comprise an actuating element, in particular at least one cam, of the locking device. It can act by a direct support on the locking device, including its locking member.
  • the bead gripper may include an abutment surface for holding the locking device in its unlocked position when the bale gripper is in its holding position.
  • the heaving lever can be a monoblock element.
  • the invention also relates to a fastening device for a ski, characterized in that it comprises a front holding member of a shoe and a rear holding member of a shoe 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 back to the front of the ski, the front and rear being defined by the ordinary direction moving a skier in a straight line, the skier moving from the back to the 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 axis Z is perpendicular to the horizontal plane defined by the X and Y axes, pointing upwards. We assume that the ski rests on a horizontal ground.
  • the figure 1 schematically illustrates an embodiment of a ski 1 provided with a fixing device 2 according to the invention.
  • the fixing 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.
  • the ski is intended for the practice of ski touring. Ski touring mainly involves two phases of use.
  • a first phase called the climbing phase
  • the skier walks with the ski, usually on a slope that he goes up.
  • the skier's boot is fixed to the ski only via the front holding element 3.
  • the front holding 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 its progression according to a natural movement of walking.
  • the heel of the shoe follows a circular path T1 around the axis Y1 of the pivot connection of the front holding element.
  • a second phase called downhill phase the skier practices skiing in the manner of alpine skiing and descends a sloping terrain.
  • the back of the shoe including a heel 6a of the shoe, for example by a sidewalk 6b arranged in the heel 6a, is fixed to the ski through the rear holding element.
  • the pivot connection of the front holding element is blocked and the boot is secured to the ski.
  • the skier may be required to manipulate the ski to prepare for the next phase.
  • the skier may stick or take off anti-kickback fluff on the sole of the ski.
  • the ski and / or the attachment device could be used for any other sport of gliding, for example for telemark, or even downhill skiing or cross-country skiing.
  • the rear holding element 4 in particular at least partially visible on the figure 8 , comprises a bead 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 the gripping heel 7.
  • the rear holding element 4 also comprises a plate 12 comprising guiding rails 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 to adapt to the size of the shoe.
  • the rear holding 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 hold the boot sideways during the descent phase, thanks in particular to two flanges. 14a, 14b on both sides of the shoe.
  • the rear holding element 4 is symmetrical about a median plane of longitudinal and vertical symmetry XZ.
  • the gripping heel 7 is rotatable between a heel holding position 6a of a shoe, visible on the Figures 5 and 6 , in the descent configuration, and an open position for which the heel grip exerts no heel support, for example visible on the figure 4 , in boot configuration.
  • the heel grip comprises a jaw or an edge 7a extending substantially horizontally forwardly. When the heel grip is in the holding position, the edge 7a comes to cover the upper surface of a sidewalk 6b to hold the shoe.
  • the force produced by the heel gripping to maintain the heel of the boot can be adjusted by means of a trigger adjustment device 13.
  • An embodiment of such a trigger adjustment device may comprise a spring 13a and an adjusting screw 13b of the hardness of the spring.
  • the bead gripper 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 gripper is 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 about the axis Y1 of the pivot connection of the holding element before without hitting the gripping heel 7.
  • the gripper heel is not animated of a complementary rearward translation movement in climb configuration, but can in any case take only the two positions mentioned above, that is to say the open and holding positions, by a single rotation movement.
  • This solution has the advantage of allowing the rear holding element to have a simple architecture, while allowing to achieve a configuration favorable to the rising phase. More specifically, the open position allows both the boot of the heel but also the lifting of the heel of the shoe for the climb, because of the mounting on the heel grip 7 of a foot pedal 35 retractable, 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 , includes a conventional brake used on an alpine ski, as for example described in the document FR2788991 .
  • the brake comprises a pedal 15 intended to receive the support of the ski boot, in general a rear part of the sole of the boot, to allow it to change from the active position to the inactive position, position represented in particular Figures 8 and 9 .
  • the brake comprises a continuous metal element 16 comprising two braking limbs 16a, 16b, for a disposition on either side of the ski.
  • the brake may be non-continuous, be in several distinct parts, including two separate lateral branches.
  • the braking limbs In the active position of the braking device, the braking limbs extend downward under the lower surface of the ski to come rub on 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 rotatable relative to the base 11 along an axis Y2, shown in FIG. figure 10 , parallel to the transverse axis Y.
  • the metal element comprises on each branch a transverse zone 16c adapted to cooperate with the base.
  • the metal element also comprises a second transversal zone 16d crossing 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 contact with the ground.
  • the metal element 16 has a natural elastic property which tends, in the absence of biasing 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 adapted to hold 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 keep the braking device in its inactive position.
  • the pedal 15 comprises a hook 17, visible in particular on the Figures 2, 3 and 10 , made 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 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.
  • an inactive locked position of the brake is obtained.
  • the hook 18 is in a rear position in which it is adapted to cooperate with the hook 17 of the pedal.
  • 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 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 bears on the pedal, the branches 16a, 16b of the brake pivot upwards and the braking device is inactive. If the shoe does not exert support on the pedal, the pedal goes up thanks to its elastic property, the branches 16a, 16b of the brake being then lowered in 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 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 support 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, that is, they are engaged with each other, the pedal 15 is held in its down position, and the braking device 8 is therefore kept inactive.
  • the two hooks each comprise a chamfer arranged so that the bearing of their respective chamfers causes an elastic movement of the hook 18 of the locking device 9 forward to allow the passage of the hook 17 of the pedal under this hook 18.
  • the hook 17 of the pedal is passed under the hook 18, the latter takes up its position towards the rear 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 actuating member 20, which will be specified later, may have different shapes.
  • Lever 10, shown in figure 14 is movable relative to the gripping bead 7 between at least one mounting position and a stopping position.
  • the lever is adapted during its movement from the climbing position to the stopping 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 able to interact with the lever 10.
  • the actuating member 20 is also movable in sliding connection along the longitudinal axis X relative to the base.
  • the actuating member may be housed in a recess formed in the base whose shape allows the sliding of the actuating member along the longitudinal axis X.
  • the lever 10 is movable relative to the Heel catch 7 and relative to the base 11 according to a pivot connection of axis Y3.
  • the lever may be a monoblock element, preferably made from injected plastic.
  • the lever can be formed from two pieces or more advantageously of parts fixed rigidly between them.
  • the lever 10 surrounds the gripping heel left and right, by two sides 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 the vertical fins 30a, 30b of the base 11.
  • These two flanks are connected at their upper end by a bridge 22 adapted to pass over the gripping heel 7.
  • the bridge 22 may have an ergonomic shape adapted to manual actuation or actuation by through a ski pole.
  • the bridge 22 comprises a cavity 22a adapted to receive the support of the tip of a stick to push on the lever.
  • the bridge 22 also comprises a semi-circular aperture 22b at its rear end adapted to receive the handle of a stick to push the lever, a washer of the stick then passing under the lever.
  • the two sides 21a, 21b each comprise 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 Y3 axis of rotation of the lever, at the lower ends of each flank 21a, 21b.
  • the rear holding element In the intermediate up position of the lever 10, the rear holding element being in a climb configuration, represented on the Figures 2 and 3 the two cams 24 do not press on the actuating member 20.
  • the position of the actuating member 20 (and the hook 18 which is secured thereto) is therefore only imposed by the effect of the return spring 19.
  • the hook 18 is then positioned rearward, that is to say in the direction of the hook 17 of the pedal 15, in a configuration where it can fulfill its locking function of the braking device.
  • the rear holding element In the passage from the climbing position to the footwear position further rearward of the lever, the rear holding element then coming into the boot configuration, shown in FIG.
  • the lever 10 acts on the locking device, so as to inducing a sufficient movement, according to a longitudinal translation in this embodiment, to position it in its unlocked position, which position is then maintained by the gripping bead, or even by the lever itself.
  • the lever 10 of the embodiment may include a third raised, substantially vertical, position in the descent and / or shimmed configuration of the rear holding member.
  • the actuating member 20 is in the form of a fork disposed generally horizontally, particularly visible on the figure 10 .
  • the actuating member 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 holding 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 is supported on the one hand against a transverse and vertical face 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 rearwardly facing tabs 20b parallel to the longitudinal axis X and able to cooperate with the two cams 24 of the lever 10.
  • the actuating member 20 also comprises a central lug 20c also oriented towards the rear, adapted to cooperate with an abutment surface 26 disposed at the front of the heel gripper 7.
  • the abutment surface 26 bears on the central lug 20c oriented along the longitudinal axis X against the return spring 19.
  • the abutment surface 26 can maintain or participate in maintaining the locking device 9 in its unlocking position.
  • the heel grip is in the open position and the lever 10 maintains only the locking device 9 in its unlocked position
  • the lever 10 can then be moved from its rear seating position to any other position without the locking device 9 tilting in its locking position.
  • the abutment surface 26 is positioned on the heel gripper 7 so that, in the open position of the heel gripping, it does not exert any support on the central lug 20c.
  • the central lug 20c is arranged vertically and comprises a vertical and transverse bearing face adapted to cooperate with the abutment surface 26.
  • the lever 10 is movable to a third raised position substantially vertical, 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 flank comprises a forward protrusion 27 positioned on the trajectory T1 of the sidewalk when the skier is walking with the ski.
  • the lever 10 forms a wedge of help to the rise for the heel of the shoe.
  • the lever thus has protrusions 27 which pass on the sides of the shoe, to avoid contact between the lever in the raised position and the heel of the shoe during the descent phase, that is to say when the heel is pressed onto the base with the heel grip in the holding position.
  • the raised position of the lever can be used both in the climbing phase with shim and in the descent phase, that is to say in the climbing configurations with shim and descent of the rear holding element.
  • the rear holding element 4 also comprises a foot pedal 35, particularly visible on the Figures 10, 11 and 15 movable relative to the heel gripping 7 and relative to the base 11 between two or three positions.
  • she occupies a boot position, represented on the Figures 10, 11 and 15 , in the boot configuration of the rear holding element, in which it is adapted to receive the support of the heel of a boot during a boot phase, support which causes the heel gripper to rotate downwards 7 until the descent configuration of the rear holding element. It also occupies a retracted position, raised upwards, represented on the figures 3 and 7 , in climbing configuration and climbing with wedge of the rear holding element, in which it is raised under the edge 7a of the heel gripper 7, so as not to be in the path of a shoe.
  • the foot pedal 35 is articulated on the heel gripper 7. It is in the form of a bent metal wire shaped "U".
  • a transverse portion 35a of the foot 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 gripper.
  • the pedal of 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 foot pedal to cause its downward rotation against the return spring, in particular to reach its stance position, when passing in the boot configuration of the rear holding element by the actuation lever 10.
  • the rear holding element is adapted to take various configurations C1, C2, C3, C4 corresponding to different phases of use of the ski.
  • a C1 climb configuration illustrated on the Figures 2, 3 , 8 and 9 , the lever 10 is in its upward 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 foot 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, simply exert a support with the shoe on the pedal to engage the two hooks of the locking device and thus keep the braking device in the inactive position . Thus, the braking device does not hinder the skier's progress.
  • the lever 10 In a C3 descent configuration, illustrated on the Figures 5 and 6 , the lever 10 is in the third position raised forwards or forward position, the heel gripper 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 go into the active position because the locking device is in the unlocked position.
  • a climb configuration with C4 shim illustrated on the figure 7
  • the lever 10 is in the raised position forward or forward position
  • the heel gripper 7 is in its open position
  • the locking device 9 is in its locking position
  • the braking device 8 is in the inactive position.
  • This configuration corresponds to a rising phase with use of the lever 10 as a climbing wedge.
  • This configuration is therefore very close to the climb configuration with the exception of the position of the lever 10.
  • the skier can easily switch from the climb configuration to the climbing configuration with shim and vice versa by manipulating the lever 10.
  • the positions of the up and down lever 10 correspond here to the highest position forward and are similar in the embodiment shown but alternatively the position of climb with wedge could be different and especially even more raised forward.
  • the lever 10 fills a first actuating function of 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 automatic actuation of the heel gripper 7.
  • the lever 10 also comprises a means of interaction with the heel gripper.
  • this interaction means comprises a cam 54, represented on the 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 shoeing position, it keeps the heel gripper 7 in its open position. When the heel gripper 7 is in engagement with a boot, in the lowering configuration C3 of the rear holding member, the lever 10 is in its raised position.
  • a skier can simply manipulate the lever 10 to the position of putting on or climb, which causes a tilting of the heel gripper 7 from its holding position to its open position.
  • the lever 10 is thus a heaving lever.
  • the lever 10 has various functions: first, it is able to control the locking device, secondly, it is able to tilt the bale gripper in its open position and third, it is able to form a hold help with climbing. Alternatively, this third function could be optional.
  • the lever 10 also controls the positioning of the foot pedal 35 of the rear holding element.
  • the foot pedal 35 In a so-called boot position, the foot pedal 35 is able to be actuated by a ski boot.
  • the transverse portion 35a is then positioned at about halfway between the base 11 and the edge 7a of the heel gripper.
  • the transverse portion is positioned on the path of the heel of the shoe when the shoe is attached to the front holding member. This position of the foot pedal 35 is obtained when the rear holding element is in the configuration of footwear C2.
  • the heel catch 7 moves from its open position to its holding position.
  • the foot pedal 35 descends in a first rest position tilted downwards, against the base, as represented for example on the 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 under the sole of a shoe in the descent phase, that is to say, in engagement with the gripping heel.
  • the foot 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 gripper which is then in the open position. Such a position of the foot pedal corresponds to the rising configuration C1 of the rear holding element and is particularly visible on the Figures 2, 3 , 8 and 9 .
  • the foot pedal is thus positioned outside the trajectory T1 of the heel of the shoe when the ski is used in the climbing phase, that is to say when the shoe is fixed only by the front holding element.
  • the foot pedal 35 is not able to be actuated by a ski boot and does not interfere with the tilting movement of the shoe (T1 trajectory), the heel of the shoe can then come into contact with the base 11 .
  • the lever 10 is rotatable between three rear, forward and raised positions. These positions can be distinguished by a rotation of the lever 10 at an amplitude greater than or equal to 45 degrees between the climbing and seating positions, preferably greater than or equal to 60 degrees.
  • the rear holding element 4 comprises an indexing mechanism.
  • the indexing mechanism comprises two indexing lugs 28 integral with the base, each disposed on either side of the base 11, and more precisely on the inner faces of the lateral fins 30a, 30b of the base 11. and two counter-forms 29, able to cooperate with the two indexing lugs.
  • Each of the counterforms 29 are hollowed in each side 21a, 21b of the outer surfaces of the lever 10.
  • the indexing lugs could be on the lever and against the forms be on the base.
  • the indexing mechanism could also include only one lug cooperating with a single counter-shape arranged to the left or right.
  • the base 11 particularly visible on the figure 13 , comprises a wall forming vertical fins 30a, 30b side of generally circular shape and extending along 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 gripper 7.
  • the wall comprises an inner face facing a median plane of the attachment and an outer face , turned towards the outside of the sub-element.
  • the indexing lug is a relief extending vertically on either side of the opening 31.
  • the indexing lug protrudes from the inner face of the wall of the vertical vanes 30a, 30b.
  • the lug may have for example the shape of a cylinder portion.
  • the counterform comprises three recesses 29a, 29b, 29c.
  • Each recess has a shape complementary to the indexing pin.
  • the three recesses are distributed on 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 vis-à-vis one of the three recesses.
  • each sidewall 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 axis Y3 and elastically deformable along the axis Y3.
  • the screw comprises a flat head and an axis passing through the opening 23 of the flank 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 is housed the Belleville washer.
  • the screw head is supported on the outer face of the wall of the base, outside the circular housing 37.
  • the Belleville washer is supported on the one hand against the screw head and on the other hand against the wall of the base.
  • the height of the circular housing 37 along the transverse axis Y is defined so that the Belleville washer is compressed at 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 it is supported outside the circular housing 34.
  • the compression of the Belleville washer depends on the height of the circular housing 37 but does not depend no tightening tension of the screw. To summarize, the Belleville washer is inserted between the screw head and the wall of the base.
  • the Belleville washer is interposed between the two parts indexed relative to each other, that is to say between a portion of the lever 10 and a portion of the base 11.
  • the wall of the base is interposed between the Belleville washer and the side of the lever.
  • the sidewall of the lever is interposed between the wall of the base and the nut 33.
  • the position of the indexing lug inside a recess corresponds to a position of lower tension in the Belleville washer. Such a position is therefore stable.
  • the position of the indexing lug 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 positions of rise, footing and raised.
  • the advantage of this solution is to make it possible to obtain three stable positions of the lever, avoiding changes in unwanted positions of the lever, as well as its premature wear by significant friction.
  • such an indexing system could alternatively be implemented for any lever of a shoe-holding element on a gliding board, for example on a simple lever for opening or locking a holding jaw.
  • the invention also relates to an element for holding a boot on a gliding board, comprising an actuating lever cooperating with the holding member during its rotation by means of an elastic arrangement, allowing to form an indexing 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 interposed 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 off the ski, the same manipulation makes it possible both to lock or unlock the braking device and to actuate the gripping bead.
  • the invention is not limited to the embodiment detailed above. It more generally relates to any heaving lever for actuating a locking device of a braking device.
  • the link between the lever and the locking device may be any mechanical connection, via any actuating element.
  • the lever acts on the locking device by a direct support on the locking device. More specifically, this direct support is performed on the locking member itself of the locking device or on an element which is integral therewith.
  • the lever allows the actuation of the locking device, 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 gripping heel participates 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 over the heel grip it offers a greater leverage than the heel grip.
  • the effort required to manipulate the lever is therefore lower than for handling the heel grip.
  • the lever also serves as a support wedge to the rise 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 reinforces his safety because skiing can not be lost when handling the ski

Landscapes

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

Publications (2)

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

Family

ID=60888467

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18184630.4A Active EP3437703B1 (de) 2017-07-31 2018-07-20 Bremsvorrichtung für tourenski

Country Status (2)

Country Link
EP (1) EP3437703B1 (de)
FR (1) FR3069445B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3714952A1 (de) * 2019-03-29 2020-09-30 MARKER Deutschland GmbH Bremsvorrichtung
IT202100016991A1 (it) * 2021-06-29 2022-12-29 Atk Sports S R L Porzione posteriore di attacco da sci alpinismo

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3107192B1 (fr) * 2020-02-14 2022-07-29 Felisaz S A S Talonnière pour ski de randonnée munie d’un dispositif de freinage
FR3141075B1 (fr) 2022-10-21 2025-10-17 Rossignol Sa Dispositif de freinage pour une planche de glisse

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009105866A1 (en) * 2008-02-29 2009-09-03 G3 Genuine Guide Gear Inc. Heel unit for alpine touring binding
WO2012024809A1 (de) * 2010-08-27 2012-03-01 Fritschi Ag - Swiss Bindings Touren fersenbindung mit dynamischem gleitbereich
EP2740519A2 (de) * 2012-12-10 2014-06-11 Skis Rossignol Bremsvorrichtung für Tourenski
FR2999091A1 (fr) * 2012-12-10 2014-06-13 Rossignol Sa Dispositif de freinage pour ski de randonnee a cale de montee reglable integree
EP2762209A2 (de) * 2013-02-01 2014-08-06 MARKER Deutschland GmbH Fersenhalter mit Hilfshebel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009105866A1 (en) * 2008-02-29 2009-09-03 G3 Genuine Guide Gear Inc. Heel unit for alpine touring binding
WO2012024809A1 (de) * 2010-08-27 2012-03-01 Fritschi Ag - Swiss Bindings Touren fersenbindung mit dynamischem gleitbereich
EP2740519A2 (de) * 2012-12-10 2014-06-11 Skis Rossignol Bremsvorrichtung für Tourenski
FR2999091A1 (fr) * 2012-12-10 2014-06-13 Rossignol Sa Dispositif de freinage pour ski de randonnee a cale de montee reglable integree
EP2762209A2 (de) * 2013-02-01 2014-08-06 MARKER Deutschland GmbH Fersenhalter mit Hilfshebel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3714952A1 (de) * 2019-03-29 2020-09-30 MARKER Deutschland GmbH Bremsvorrichtung
IT202100016991A1 (it) * 2021-06-29 2022-12-29 Atk Sports S R L Porzione posteriore di attacco da sci alpinismo
EP4112140A1 (de) * 2021-06-29 2023-01-04 Atk Sports S.R.L. Hinterbereich einer skitourenbindung

Also Published As

Publication number Publication date
FR3069445A1 (fr) 2019-02-01
FR3069445B1 (fr) 2021-02-19
EP3437703B1 (de) 2020-08-05

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