EP0712648A1 - Binding element assembly for boots on sliding boards - Google Patents

Binding element assembly for boots on sliding boards Download PDF

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Publication number
EP0712648A1
EP0712648A1 EP95115919A EP95115919A EP0712648A1 EP 0712648 A1 EP0712648 A1 EP 0712648A1 EP 95115919 A EP95115919 A EP 95115919A EP 95115919 A EP95115919 A EP 95115919A EP 0712648 A1 EP0712648 A1 EP 0712648A1
Authority
EP
European Patent Office
Prior art keywords
assembly according
jaw
retaining element
retaining
ring
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
EP95115919A
Other languages
German (de)
French (fr)
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EP0712648B1 (en
Inventor
Christian Challande
Pierre Desarmaux
Hans Horn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Salomon SAS
Original Assignee
Salomon SAS
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Filing date
Publication date
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Publication of EP0712648A1 publication Critical patent/EP0712648A1/en
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Publication of EP0712648B1 publication Critical patent/EP0712648B1/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08507—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws
    • A63C9/08521—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws pivoting about a vertical axis, e.g. side release
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08564—Details of the release mechanism using cam or slide surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S280/00—Land vehicles
    • Y10S280/13—Ski binding controlled by skier position or by remote control

Definitions

  • the invention relates to a set of two retaining elements provided for retaining the boots of a skier on a pair of gliding boards, in particular on a pair of skis.
  • the invention also relates to a set of two retaining elements associated with a set of two right and left boots for each of a skier's feet.
  • the stiffness of the spring is adjustable, so that the shoe is released from the fastening element for a stress exceeding a determined stress threshold.
  • This threshold is commonly referred to as the trigger threshold.
  • the shape of the front and rear toe caps of the shoe has been standardized.
  • the standard in application has the reference ISO 5355.
  • the fastening elements are designed to be compatible with the standardized zones of the shoe and to ensure the release of the shoe at release values determined.
  • a shoe is retained by a fastening or retaining element, the jaw of which is movable at least laterally towards the inside or the outside of the foot.
  • the jaw of the retaining element is intended to trigger, that is to say to release the boot during an excessive torsional stress exerted on the skier's leg.
  • Current bindings have a trigger threshold generally equal inwards and outwards of the foot.
  • fastening elements which have a different triggering threshold according to the direction of tilting of the jaw.
  • Such elements are for example described in French patents FR 1 503 847, 1 503 848, 1 503 849, or also in the German patent application published under the number 18 07 074.
  • the major drawback of this kind of device is that it requires a pairing between the boots and the skis, i.e. the right and left skis must be necessarily identified, and that the skier must above all put on the right ski with his right shoe and the left ski with the left shoe.
  • it is materially possible to reverse the two skis that is to say, to put on the left ski, for example, with the right shoe.
  • the effect of the asymmetry in the release of the binding acts in reverse, without it being possible to remedy it other than by exchanging the two skis.
  • the problem posed by the invention is to improve the operating mode of the existing retaining elements. It consists in particular in providing the retaining elements with an asymmetric trigger threshold, and in improving the operation of such retaining elements with an asymmetric trigger threshold.
  • Each retaining element has a shoe retaining jaw movable laterally, on both sides, towards the inside or outside of the ski, against the return force of a spring.
  • the jaw and the spring are provided to release the shoe beyond a determined triggering threshold.
  • Each retaining element is additionally equipped with an adjustment mechanism, which allows the triggering threshold of the retaining element to be adjusted asymmetrically, according to the direction of movement of the jaw, and an actuator of the adjustment mechanism which is controlled by the other retaining element of the pair.
  • This polarization of the retaining elements occurs at the time of putting on the skis, so that, whatever the direction in which the skier presents his skis, each retaining element will polarize according to its right or left position relative to the other element.
  • the triggering threshold of each of the retaining elements is lower for a release of the boot towards the outside than for a release towards the inside of the retaining element.
  • Figure 1 is a general top view of a retaining element according to a first embodiment of the invention.
  • FIG. 2 is a top view in section of the retaining element of FIG. 1.
  • FIG. 3 is a side view in section of the element in FIG. 1.
  • Figure 4 is a perspective view of the rocker.
  • Figure 5 is a front view of the bias ring.
  • FIG. 6 is a side view of the ring of FIG. 5.
  • Figures 7 to 11 are partial sectional views of the retaining element at the connection between the wings and the tie rod, and illustrate the operation of this connection.
  • Figure 12 shows schematically in front view the connection between the ring and the tie.
  • FIG. 13 illustrates the operation of the connections between the ring and the tie rod of two retaining elements side by side.
  • FIG. 14 shows a top view of a set of two retaining elements according to the embodiment of FIG. 1.
  • FIG. 15 shows in side view and in partial section a retaining element according to another embodiment of the invention.
  • FIG. 16 shows in top view and in partial section the retaining element of FIG. 15.
  • Figure 17 shows in section and in top view a retaining element according to another embodiment of the invention.
  • FIG. 18 is a side view in section of the element in FIG. 17.
  • FIG. 19 shows a top view, side by side, two retaining elements produced according to the embodiment of FIG. 17.
  • FIG. 20 is a block diagram which illustrates an operating mode of the retaining element of FIG. 17.
  • FIG. 21 relates to an alternative embodiment of the functional diagram of FIG. 20.
  • FIG. 22 illustrates a variant implementation of the invention.
  • FIG. 23 is a block diagram which explains a possible mode of operation of the embodiment of FIG. 22.
  • Figures 1 to 3 show by way of illustration of the invention a retaining element 1.
  • the two retaining elements of the assembly are constructed identically.
  • the element 1 shown in Figures 1 to 3 comprises a base 2 surmounted by a hollow body or cover 3 having a side wall and an upper cover.
  • the base 2 extends rearward to form a support plate 5 intended to receive the shoe sole.
  • the retaining element also has a jaw formed by two wings 7 and 8 for retaining the boot.
  • the wings are independent, respectively articulated around vertical axes 9 and 10.
  • the wings extend respectively inwards, beyond the axes 9 and 10 by returns 7a and 8a .
  • the wings include a sole clamp which ensures the vertical retention of the shoe, in addition to the lateral retention.
  • the jaw could have another nature, in particular being in one piece, connected integrally to a body mounted to pivot around a central pivot. Many known constructions are possible.
  • the jaw At rest, the jaw has a position substantially aligned with the longitudinal axis defined by the ski. In the illustrated case, at rest, the wings 7 and 8 are closed towards the median longitudinal axis which is shown diagrammatically by its trace 11 in FIG. 2.
  • the body 3 of the retaining element houses a spring 12, to which are transmitted the stresses which the shoe exerts on the wings of the jaw, and which, in return, exerts on the wings an elastic restoring force in the direction of their respective rest position.
  • the spring is connected to the jaw by a movement transmission link.
  • connection between the spring and the wings of the jaw comprises a longitudinal rod 13 which is cylindrical.
  • the tie rod is engaged in the turns of the spring. It has at its front end a stop washer 14 against which the front end of the spring bears.
  • the washer is connected to the end of the spring by a screw 15 which makes it possible to adjust the initial compression of the spring.
  • the screw 15 is accessible from the front of the retaining element through an opening in the cover.
  • the spring bears against a support wall 18 which is integral with the body or its base.
  • the support wall 18 also serves as a stop for the returns 7a and 8a of the wings, for rotation of the wings inwards. This position in abutment against the support wall defines the rest position of each of the wings.
  • the tie rod crosses the wall 18 and opens rearward between the two wings. At this level, it has a part 20 of smaller diameter, with a head 21. At the birth of this part of smaller diameter, the tie rod has a shoulder 22. On the part of smaller diameter are mounted a ring 24, on the side of the shoulder 22, and a floating rocker 25 on the side of the head 21.
  • the floating rocker is wider than the head 21, and its dimensions are such that it gives the returns 7a and 8a of the wings a surface d 'support by which the returns of the wings can urge the tie back and forth against the return force of the spring.
  • part 20 more small diameter is an independent element which is assembled for example by screwing or any other means suitable for the rest of the tie rod.
  • the rocker 25 is held on the part 20 of the tie rod, pressing between its head 21 and the returns 7a and 8a of the wings.
  • the head 21 of the tie has a square section, and the tie has laterally two beads which give good support for the rocker, in particular during the oscillating movements which will be described later.
  • the rocker 25 bears against the ring 24.
  • the ring 24 is pivotally mounted around the part 20 of the tie rod. Towards the front, the ring bears against the shoulder 22.
  • the ring has an outside diameter equal to that of the front part of the tie rod, but this is not essential.
  • the ring has a length greater than the travel of the tie between the rest position and the release of the shoe.
  • the assembly of the rocker and of the ring is provided so that, at least at rest, the ring can pivot freely around the part 20. That is to say that the rocker and the ring are mounted on the tie rod, between the head and the shoulder 22 with a slight play in a longitudinal direction.
  • the rocker 25 is floating, that is to say that it can oscillate in a horizontal plane, depending on the position and the displacement of its various supports.
  • the rocker has a large central opening 27 of rectangular shape.
  • the width of this opening is greater than the diameter of part 20 of the tie rod, and preferably this part 20 has a flange 28 with a rounded edge, the outside diameter of which is substantially equal to the width of the opening. 27.
  • This flange serves to support the oscillation of the rocker, which will be described in more detail later.
  • the width of the opening 27 is however less than the diameter of the ring 24.
  • the opening 27 has a height which is slightly greater than the outside diameter of the ring 25.
  • the part 20 of the tie rod is held halfway up the opening 27 by any suitable means.
  • the ring 24 has on the side of the rocker a flat support surface, which is vertical, except on a quarter of a circle where the support surface is recessed.
  • the planar and vertical zone is marked at 29 in the figures, and the recessed zone at 30. In the position of the ring shown in FIGS. 1 and 2, this zone 30 is aligned with the median longitudinal plane, upwards , above part 20 of the tie rod. It could as well be below part 20. This position will be qualified in the rest of the middle position.
  • Figures 7 and 8 show the connection between the wings and the tie in the middle position of the ring.
  • the wings are at rest, in the closed position.
  • one of the wings, the wing 7 in this case, has opened.
  • the return 8a of the wing has driven the rocker 25.
  • the rocker 25 is held on one side by the head 20 of the tie rod, and on the other side, by reaction, it bears against the ring 24 on either side of the median longitudinal axis. The rocker moves with the tie rod staying perpendicular to the tie rod.
  • FIG. 9 represents the construction after a rotation of the ring 24 over a quarter of a turn. This rotation brought the recessed area 30 of the rocker towards the return 8a of the wing 8.
  • wing 8 has opened. In its rotational movement, the wing has driven the rocker 25.
  • the rocker rests on the head of the tie rod, and, by reaction on the ring 24 in the zone diametrically opposite to the zone 30.
  • the rocker behaves with the same way as what was described previously.
  • FIG. 11 illustrates the rotation of the other wing, that is to say the wing 7.
  • the rocker drives the head 21 of the tie rod, but this time, the rocker rests by reaction not more against the ring 24, but against the return 8a of the other wing. Indeed, the rocker cannot find a support against the ring 24, because of the recessed area 30.
  • the wing 8 is in turn retained by the support wall 18.
  • the rocker 25 no longer directly transmits its pulling movement, it works like a lever, which pivots by pressing on the return 8a. Given the difference in lifting arms, the restoring force that opposes the opening of the wing is multiplied. The opening of the wing 7a is facilitated in this position of the ring 24.
  • the zone 30 is sufficiently set back so that the wing 7 releases the shoe before the rocker 25 reaches the bottom of the zone 30. In this way, the rocker 30 remains in abutment against the return of the wing 8 , and the multiplier effect is maintained.
  • the opening 27 of the rocker 30 is provided in height so as not to hinder the oscillation of the rocker, that is to say that it is greater than the outside diameter of the ring.
  • the ring 24 can also be pivoted in the other direction, to obtain the same multiplying effect with the opening of the other wing.
  • the retainer further includes control means for determining the position of the ring based on the relative position of the retainer relative to the other member of the assembly.
  • the ring 24 has on the half of its periphery a grooved area 34.
  • the grooves are oriented parallel to the longitudinal direction of movement of the tie rod.
  • this zone is located on top of the ring.
  • a rack 35 is provided to mesh with the grooves of the ring 24.
  • the rack 35 is guided in a translational movement transverse in a groove carried by the support wall 18.
  • Any other suitable means of guidance is suitable.
  • the rack 35 or the ring 24 has elastic return means in the middle position, that is to say the operating position corresponding to FIGS. 7 and 8.
  • the rack carries in its upper part a vertical rod 36.
  • the rod 36 is hung between two transverse springs 37a and 37b which are also retained by stops integral with the cover 3, and which recall the rod 36 in its middle position. Any other suitable means is suitable.
  • the rack 35 is constructed as a magnet oriented north-south in the horizontal and transverse direction of the retaining element.
  • the rack is formed by a magnetic bar attached above a neutral plate carrying the teeth.
  • the cover 3 and the other members of the retaining element are also made of a material neutral to magnetic radiation, for example a plastic material, or alloys based on non-ferrous metals.
  • the north-south orientation is arbitrary, but it is identical for the two elements of a pair.
  • Figure 12 shows the ring 24 and the rack 35 in the middle position.
  • FIG. 13 represents these same members for two retaining elements placed side by side.
  • the retaining elements are for example placed thus when the skis are placed flat, ready to be put on.
  • the organs of each element were identified respectively with the prime and second exponents (24 ', 24' ', 35', 35 '', ).
  • the two magnets of the 35 'and 35' 'racks are polarized in the same direction, so that whatever the relative position of the two retaining elements, the two magnets attract and move towards each other.
  • the wings which are located towards the outside of each of the retaining elements are provided to release the boot more easily, that is to say with a lower trigger threshold than the inner wings.
  • the skier's shoe will therefore be released for a torsional stress on the skier's leg and knee which is lower towards the inside of the foot than towards the outside.
  • a locking means blocks each ring once it has reached its polarization position.
  • this means is shown in the form of a lock 38 movable vertically under the ring 24.
  • the lock carries in its upper part a tooth 39 which is designed to be able to engage it in a groove in the ring .
  • the lock 38 is resiliently biased upwards by a spring 40 located at its lower part.
  • a control sensor is provided to bring the lock 38 down, against the return force of the spring 40, or to release it at will.
  • the feeler is here the support plate of the shoe which has an upper part 41 movable vertically, and resiliently biased upwards, for example by the deformation of an elastically deformable zone forming an elastic hinge situated at the rear of the part superior.
  • a layer of elastically deformable material can be interposed between the part 41 and the rest of the plate, to resiliently recall the plate, and also to fill this space and avoid the infiltration of snow or dirt.
  • the upper part 41 is in abutment against the branch of a rocker 42 movable around a transverse axis, the other branch of which is provided for lowering the latch 38, for example by bearing on a flange located at its base.
  • a small tab connected to the movable end of the part 41 takes up from below the branch of the rocker 42 to control the movement of the rocker to the movement of this end of the part 41.
  • any other suitable means is suitable.
  • the locking means operates as follows. Putting the skis side by side causes the transverse translation of the rack 35 'and 35' ', and the rotation of the rings 24' and 24 '' over an angular amplitude of a quarter turn, to bring the areas back 30 'and 30' 'on one side and the other of the part 20 of the tie rods, respectively. For each of the rings, this rotation brings the first groove in line with the axis of the part 20 of the tie rod, opposite the tooth 39 of the latch 38.
  • the ring can move in a longitudinal direction with the tie rod, the bolt and the rack do not move longitudinally, but they slide along the grooves in which they are engaged respectively.
  • the locking of the ring by the lock 38 can also be done after the engagement of the shoe. Indeed, in this case, the commitment of the shoe, tooth 39 is pushed back against the smooth surface of the ring, which can therefore pivot during the bringing together of the two retaining elements, until the first groove reaches opposite tooth 39. The tooth then immobilizes the ring .
  • the retaining element has transparent indicators 48 and 49, towards each edge, through which it is possible to see the rack 35, and therefore to check its correct positioning.
  • the racks 35 'and 35' ' are visible through the two exterior indicators 48' and 48 ''.
  • any other suitable means is suitable.
  • FIGS 15 and 16 illustrate another embodiment of the invention. These figures represent a retaining element 51 which has a structure identical to element 1. It contains the tie rod, with the rocker, the ring and the rack. These members are identical to the elements described above, except that the rack is not magnetized in the present case.
  • the rack 55 is surmounted as in the present case by a rod 56.
  • the rod 56 is maneuvered on one side and on the other by a longitudinal lever 57 which extends towards the front of the retaining element and which is articulated in its central part around a vertical axis 58 fixed for example to the cover 53.
  • the rear end of the lever has a fork which straddles the rod 56 in a horizontal plane.
  • the lever 57 On the other side of the axis 58, the lever 57 has another end in the form of a fork, in which is engaged a vertical rod 60.
  • the rod is carried by a transverse cursor 61 movable in translation. The two ends 62 and 63 of the slider 61 pass through the cover 53 and protrude laterally.
  • the polarization of a retaining element is done here mechanically by pressing the slider located on the side of the other retaining element by means of the other element, the other ski or the other shoe.
  • the skier engages two shoes in the two retaining elements then gives with one of his skis a blow against the inner end of the cursor of the other element, and he repeats the operation for the other foot .
  • the ends of the cursor make it possible, by their position, to control the state of polarization of the retaining element.
  • the wings which are located towards the outside of each of the retaining elements are provided to release the shoe more easily, that is to say with a lower trigger threshold than the inner wings.
  • the skier's shoe will therefore be released for a torsional stress on the skier's leg and knee which is lower towards the inside of the foot than towards the outside.
  • the element which has just been described may have means for returning the rack to the central position, and means for locking the ring of the same kind as those described above, or of equivalent nature.
  • FIGS. 17 and following illustrate another embodiment of the invention.
  • the retaining element 71 shown to illustrate this embodiment has a mechanical structure of the same nature as that which has been described previously, with in particular a base 72, a cover 73, a support plate 75, retaining wings 77 and 78, a spring 82, a tie rod 83, a support wall 88.
  • the tie rod carries a ring 94 with a grooved area 99 and a rocker 95.
  • the ring is here operated by a small electric motor 96 having at its outlet a wheel toothed 97 in the pitch of the grooves of the ring 94.
  • the motor and the wheel are designed to drive the ring on a quarter-turn rotation on either side of its central position, which polarizes the retaining element as a right element or a left element, as has been described with reference to FIGS. 7 to 11.
  • the motor 96 is for example fixed to the wall 88. It is controlled by an electronic circuit comprising on each side of the retaining element a transmitting member, respectively 103, 104, and a receiving member, respectively 105, 106. Diagrams functional of this circuit are given by way of illustration in FIGS. 20 and 21.
  • the motor and the electronic circuit are supplied with current by a known battery and coupled by electrical means of a known type, which will not be described in detail.
  • the transmitting members and the receiving members of the same retaining element are staggered.
  • Figure 19 illustrates the mode of operation of this assembly. It represents a set of two retaining elements 71 'and 71' 'placed side by side, in the position where the skis are ready to be put on.
  • the staggered arrangement of the transmitters and receivers advantageously makes it possible to have the receiver 106 'facing the transmitter 103' ', and conversely, the transmitter 104' facing the receiver 105 '' .
  • Each retaining element therefore knows its position according to the receiver which is activated.
  • the transmitting and receiving organs are of any suitable type. They are designed to transmit signals directionally over a short distance. These signals can be coded. For example, it is an infrared type transmitter and receiver of the type used in remote controls for televisions. It can also be organs such as those used for opening to distance from gates, or central locking of vehicle doors. One could also use optical type organs, with light emitting organ and a photoelectric cell. One could also use more complex circuits, for example of the resonant type or circuits using a magnetic field which is disturbed by introducing into the covered field a foreign element of the other retaining element.
  • FIG. 20 represents a first functional control diagram which can be implemented.
  • the transmitter and receiver members used are of the simple type, that is to say with a transmitter member intended for transmitting a signal, and a receiver intended to receive the signal from the transmitter. .
  • the diagram includes a switch 100 which reacts to the presence and absence of the shoe, for example with the engagement of the shoe and its release.
  • the support plate is constructed like the previous plate, with a movable part 101.
  • the switch 100 is placed under the movable end of the plate.
  • the switch supplies the two transmitters, 103 and 104 and the two receivers 105 and 106.
  • the two receivers 105 and 106 are also coupled to a discriminator 110 which determines which of the receivers 105 or 106 is activated by a transmission of signals from of the other retainer.
  • the discriminator controls the rotation of the motor 96 and of the ring 94 to bring it into the appropriate polarization position.
  • FIG. 21 illustrates a variant implementation of the functional diagram.
  • the switch 100 is cut to a timing circuit 115 which activates the two transmitters 103 and 104 and the receivers 105 and 106 for a determined period of time, for example a period of one or two minutes after the shoe engagement.
  • a discriminator 120 is coupled to the two receivers. However, its sole function here is to control the correct positioning of the ring as a function of the receiver activated for the determined period of time.
  • the circuit preferably has a reset circuit 121 which is coupled to the timing circuit 115, the function of which is to bring the ring back to the middle position when the shoe is released.
  • a second switch 122 is placed in an accessible manner.
  • it is provided on the upper surface of the hood, so that it can be maneuvered by the ski pole.
  • This switch is placed in parallel with the switch 100, and its function is to reactivate the timing circuit voluntarily during the determined period of time.
  • This switch will be used in particular in the case of raising the other ski after an accidental release of the boot, so as to emit signals which will allow the other retaining element to polarize again. Indeed, the reset circuit 121 of this retaining element will have recalled the ring in the middle position when the shoe is released.
  • FIG. 22 illustrates an alternative implementation.
  • the transmitters and receivers are replaced here by a simple switch.
  • the figure shows two retaining elements 123 'and 123' 'arranged side by side.
  • Each element has on each side a switch 124 ', 125', 124 '', 125 '', the movable part of which crosses the side wall of the cover. Outside the cover of the retaining element, the movable part of the switch is protected by a bubble-shaped rubber wall 126 ', 127', 126 '', 127 ''. This is not essential, however, and any other suitable means is suitable.
  • the operating principle of this alternative embodiment is as follows. When putting on, the skier actuates the interior switch of each retaining element with a member of the other ski, that is to say for example the ski itself, the boot, the retaining element or the other interior switch.
  • a discriminator circuit 129 detects which of the two switches has been actuated, and controls the motor 96 so as to bring the ring 94 into the polarization position corresponding to the right or left position of the retaining element.
  • a timing circuit 130 controlled by a switch 131 sensitive to the engagement and release of the boot.
  • the delay circuit activates the discriminator for a determined period of time after the shoe has been engaged. After this period during which the skier is supposed to carry out the maneuvers necessary for the polarization of its retaining elements, the circuit 130 neutralizes the discriminator until the boot is released. When the boot is released, provision can be made for the timing circuit and the discriminator to control the motor back to its central position.
  • the invention is also not limited to the mechanical constructions which have been described, many variants exist, depending on whether the jaw has two independent wings, or two wings whose lateral movement is linked, or according to whether the body of the retaining element is fixed on the ski or mobile with the jaw.

Abstract

The assembly has a base surmounted by a hollow body (3) and extending rearwardly into a supporting plate (5) for the sole of a shoe. The shoe is retained by two wings (7, 8) articulated around vertical axes (9, 10). Forces applied by the shoe on the wings are transmitted to a spring (12) by a cylindrical longitudinal link (13) with a screw (15) and washer (14). The triggering threshold is adjustable using of a floating rocker (25) and collar (24) actuated by either a magnet or an transmitter/ receiver assembly. The adjustment can also be done using an electric motor.

Description

L'invention concerne un ensemble de deux éléments de retenue prévus pour retenir les chaussures d'un skieur sur une paire de planches de glisse, en particulier sur une paire de skis.The invention relates to a set of two retaining elements provided for retaining the boots of a skier on a pair of gliding boards, in particular on a pair of skis.

L'invention concerne également un ensemble de deux éléments de retenue associé à un ensemble de deux chaussures droite et gauche pour chacun des pieds d'un skieur.The invention also relates to a set of two retaining elements associated with a set of two right and left boots for each of a skier's feet.

Dans le cas du ski alpin, il est connu de retenir une chaussure en appui sur un ski par l'intermédiaire d'un élément de fixation avant et un élément de fixation arrière qui retiennent des embouts avant et arrière de la chaussure. Ces deux éléments de fixation comprennent une mâchoire portée par un corps. La mâchoire est mobile en réponse aux sollicitations de la chaussure contre la force de rappel d'un ressort qui s'oppose à son déplacement.In the case of alpine skiing, it is known to retain a boot bearing on a ski by means of a front binding element and a rear binding element which retain the front and rear end caps of the boot. These two fastening elements comprise a jaw carried by a body. The jaw is movable in response to the stresses of the shoe against the return force of a spring which opposes its movement.

La raideur du ressort est réglable, de façon que la chaussure soit libérée de l'élément de fixation pour une sollicitation dépassant un seuil de sollicitation déterminé. Ce seuil est couramment dénommé seuil de déclenchement.The stiffness of the spring is adjustable, so that the shoe is released from the fastening element for a stress exceeding a determined stress threshold. This threshold is commonly referred to as the trigger threshold.

Pour pouvoir utiliser des chaussures avec les différents éléments de fixation du marché, la forme des embouts avant et arrière de la chaussure a été normalisée. Dans le système de normalisation ISO, la norme en application a la référence ISO 5355. Les éléments de fixation, quant à eux, sont prévus pour être compatibles avec les zones normalisées de la chaussure et assurer la libération de la chaussure à des valeurs de déclenchement déterminées.To be able to use shoes with the various fasteners on the market, the shape of the front and rear toe caps of the shoe has been standardized. In the ISO standardization system, the standard in application has the reference ISO 5355. The fastening elements, on the other hand, are designed to be compatible with the standardized zones of the shoe and to ensure the release of the shoe at release values determined.

A l'avant, une chaussure est retenue par un élément de fixation ou de retenue avant dont la mâchoire est mobile au moins latéralement vers l'intérieur ou l'extérieur du pied. La mâchoire de l'élément de retenue est prévue pour déclencher, c'est-à-dire pour libérer la chaussure lors d'une sollicitation en torsion excessive s'exerçant sur la jambe du skieur. Les fixations actuelles présentent un seuil de déclenchement en général égal vers l'intérieur et vers l'extérieur du pied.At the front, a shoe is retained by a fastening or retaining element, the jaw of which is movable at least laterally towards the inside or the outside of the foot. The jaw of the retaining element is intended to trigger, that is to say to release the boot during an excessive torsional stress exerted on the skier's leg. Current bindings have a trigger threshold generally equal inwards and outwards of the foot.

Or, on sait que le genou du skieur, qui est sollicité lors d'une chute en torsion est plus fragile pour une rotation du pied vers l'intérieur que pour une rotation vers l'extérieur.However, we know that the skier's knee, which is stressed during a torsional fall, is more fragile for an inward rotation of the foot than for an outward rotation.

Pour tenir compte de cela, on a proposé des éléments de fixation qui présentent un seuil de déclenchement différent selon le sens de basculement de la mâchoire. De tels éléments sont par exemple décrits dans les brevets français FR 1 503 847, 1 503 848, 1 503 849, ou encore dans la demande de brevet allemand publiée sous le numéro 18 07 074.To take this into account, fastening elements have been proposed which have a different triggering threshold according to the direction of tilting of the jaw. Such elements are for example described in French patents FR 1 503 847, 1 503 848, 1 503 849, or also in the German patent application published under the number 18 07 074.

L'inconvénient majeur de ce genre de dispositif est qu'il exige un appariement entre les chaussures et les skis, c'est à dire que les skis droit et gauche doivent être nécessairement repérés, et que le skieur doit surtout chausser le ski droit avec sa chaussure droite et le ski gauche avec la chaussure gauche. Cependant, il est matériellement possible d'inverser les deux skis, c'est à dire de chausser par exemple le ski gauche avec la chaussure droite. Dans ce cas, l'effet de la dissymétrie dans le déclenchement de la fixation joue de façon inverse, sans qu'il soit possible d'y remédier autrement qu'en échangeant les deux skis.The major drawback of this kind of device is that it requires a pairing between the boots and the skis, i.e. the right and left skis must be necessarily identified, and that the skier must above all put on the right ski with his right shoe and the left ski with the left shoe. However, it is materially possible to reverse the two skis, that is to say, to put on the left ski, for example, with the right shoe. In this case, the effect of the asymmetry in the release of the binding acts in reverse, without it being possible to remedy it other than by exchanging the two skis.

Le problème posé par l'invention est d'améliorer le mode de fonctionnement des éléments de retenue existants. Il consiste en particulier à pourvoir les éléments de retenue d'un seuil de déclenchement dissymétrique, et à améliorer le fonctionnement de tels éléments de retenue à seuil de déclenchement dissymétrique.The problem posed by the invention is to improve the operating mode of the existing retaining elements. It consists in particular in providing the retaining elements with an asymmetric trigger threshold, and in improving the operation of such retaining elements with an asymmetric trigger threshold.

Ce problème est résolu par l'ensemble des éléments de retenue d'une chaussure tel qu'il est défini ci-après.This problem is solved by all of the retaining elements of a shoe as defined below.

Chaque élément de retenue présente une mâchoire de retenue de la chaussure mobile latéralement, des deux côtés, vers l'intérieur ou l'extérieur du ski, contre la force de rappel d'un ressort. La mâchoire et le ressort sont prévus pour libérer la chaussure au-delà d'un seuil de déclenchement déterminé. Chaque élément de retenue est en plus équipé d'un mécanisme d'ajustement, qui permet de régler à volonté le seuil de déclenchement de l'élément de retenue de façon dissymétrique, d'après le sens de déplacement de la mâchoire, et d'un actionneur du mécanisme d'ajustement qui est commandé par l'autre élément de retenue de la paire. Ainsi, en présentant ses skis à plat sur le sol, et en les chaussant, les éléments de retenue se polarisent l'un vis à vis de l'autre de façon automatique, ou moyennant une manoeuvre simple des skis.Each retaining element has a shoe retaining jaw movable laterally, on both sides, towards the inside or outside of the ski, against the return force of a spring. The jaw and the spring are provided to release the shoe beyond a determined triggering threshold. Each retaining element is additionally equipped with an adjustment mechanism, which allows the triggering threshold of the retaining element to be adjusted asymmetrically, according to the direction of movement of the jaw, and an actuator of the adjustment mechanism which is controlled by the other retaining element of the pair. Thus, by presenting his skis flat on the ground, and by putting them on, the retaining elements are polarized with respect to one another automatically, or by means of a simple operation of the skis.

Cette polarisation des éléments de retenue se produit au moment du chaussage des skis, si bien que, quel que soit le sens dans lequel le skieur présente ses skis, chaque élément de retenue se polarisera d'après sa position droite ou gauche relative à l'autre élément.This polarization of the retaining elements occurs at the time of putting on the skis, so that, whatever the direction in which the skier presents his skis, each retaining element will polarize according to its right or left position relative to the other element.

A la suite de cette polarisation, le seuil de déclenchement de chacun des éléments de retenue est plus faible pour une libération de la chaussure vers l'extérieur que pour une libération vers l'intérieur de l'élément de retenue.Following this polarization, the triggering threshold of each of the retaining elements is lower for a release of the boot towards the outside than for a release towards the inside of the retaining element.

L'invention sera mieux comprise en se référant à la description ci-dessous et aux dessins en annexe qui en font partie intégrante.The invention will be better understood by referring to the description below and to the accompanying drawings which form an integral part thereof.

La figure 1 est une vue générale de dessus d'un élément de retenue selon un premier mode de mise en oeuvre de l'invention.Figure 1 is a general top view of a retaining element according to a first embodiment of the invention.

La figure 2 est une vue de dessus en coupe de l'élément de retenue de la figure 1.FIG. 2 is a top view in section of the retaining element of FIG. 1.

La figure 3 est une vue latérale en coupe de l'élément de la figure 1.FIG. 3 is a side view in section of the element in FIG. 1.

La figure 4 est une vue en perspective du basculeur.Figure 4 is a perspective view of the rocker.

La figure 5 est une vue de face de la bague de polarisation.Figure 5 is a front view of the bias ring.

La figure 6 est une vue de côté de la bague de la figure 5.FIG. 6 is a side view of the ring of FIG. 5.

Les figures 7 à 11 sont des vues partielles en coupe de l'élément de retenue au niveau de la liaison entre les ailes et le tirant, et illustrent le fonctionnement de cette liaison.Figures 7 to 11 are partial sectional views of the retaining element at the connection between the wings and the tie rod, and illustrate the operation of this connection.

La figure 12 schématise en vue de face la liaison entre la bague et le tirant.Figure 12 shows schematically in front view the connection between the ring and the tie.

La figure 13 illustre le fonctionnement des liaisons entre la bague et le tirant de deux éléments de retenue côte à côte.FIG. 13 illustrates the operation of the connections between the ring and the tie rod of two retaining elements side by side.

La figure 14 montre en vue de dessus un ensemble de deux éléments de retenue selon le mode de réalisation de la figure 1.FIG. 14 shows a top view of a set of two retaining elements according to the embodiment of FIG. 1.

La figure 15 représente en vue de côté et en coupe partielle un élément de retenue selon un autre mode de mise en oeuvre de l'invention.FIG. 15 shows in side view and in partial section a retaining element according to another embodiment of the invention.

La figure 16 montre en vue de dessus et en coupe partielle l'élément de retenue de la figure 15.FIG. 16 shows in top view and in partial section the retaining element of FIG. 15.

La figure 17 représente en coupe et en vue de dessus un élément de retenue selon un autre mode de mise en oeuvre de l'invention.Figure 17 shows in section and in top view a retaining element according to another embodiment of the invention.

La figure 18 est une vue de côté en coupe de l'élément de la figure 17.FIG. 18 is a side view in section of the element in FIG. 17.

La figure 19 montre en vue de dessus, côte à côte deux éléments de retenue réalisés selon le mode de mise en oeuvre de la figure 17.FIG. 19 shows a top view, side by side, two retaining elements produced according to the embodiment of FIG. 17.

La figure 20 est un schéma fonctionnel qui illustre un mode de fonctionnement de l'élément de retenue de la figure 17.FIG. 20 is a block diagram which illustrates an operating mode of the retaining element of FIG. 17.

La figure 21 est relative à une variante de réalisation du schéma fonctionnel de la figure 20.FIG. 21 relates to an alternative embodiment of the functional diagram of FIG. 20.

La figure 22 illustre une variante de mise en oeuvre de l'invention.FIG. 22 illustrates a variant implementation of the invention.

La figure 23 est un schéma fonctionnel qui explique un mode de fonctionnement possible du mode de réalisation de la figure 22.FIG. 23 is a block diagram which explains a possible mode of operation of the embodiment of FIG. 22.

Les figures 1 à 3 représentent à titre d'illustration de l'invention un élément de retenue 1. Les deux éléments de retenue de l'ensemble sont construits de façon identique. Pour simplifier la notation des références, on conviendra d'affecter les mêmes références aux mêmes organes des deux éléments de retenue, lorsqu'ils sont désignés de façon générale, et d'affecter à ces références l'exposant prime ou l'exposant seconde lorsqu'ils sont désignés en tant qu'organe spécifique de l'élément de retenue prime ou l'élément de retenue seconde, respectivement, de l'ensemble.Figures 1 to 3 show by way of illustration of the invention a retaining element 1. The two retaining elements of the assembly are constructed identically. To simplify the notation of the references, it will be advisable to assign the same references to the same members of the two retaining elements, when they are generally designated, and to assign to these references the prime or second exponent when 'They are designated as a specific member of the prime retainer or the second retainer, respectively, of the assembly.

L'élément 1 représenté dans les figures 1 à 3 comprend une embase 2 surmontée d'un corps creux ou capot 3 présentant une paroi latérale et un capot supérieur. L'embase 2 se prolonge vers l'arrière pour former une plaque d'appui 5 prévue pour recevoir la semelle de chaussure.The element 1 shown in Figures 1 to 3 comprises a base 2 surmounted by a hollow body or cover 3 having a side wall and an upper cover. The base 2 extends rearward to form a support plate 5 intended to receive the shoe sole.

L'élément de retenue présente en outre une mâchoire formée de deux ailes 7 et 8 de retenue de la chaussure. Dans leur mode de représentation illustré dans les figures, les ailes sont indépendantes, respectivement articulées autour d'axes verticaux 9 et 10. Les ailes se prolongent respectivement vers l'intérieur, au-delà des axes 9 et 10 par des retours 7a et 8a. En outre, les ailes comprennent un serre-semelle qui assure la retenue verticale de la chaussure, en plus de la retenue latérale. Ceci n'est pas limitatif, et la mâchoire pourrait avoir une autre nature, notamment être monobloc, reliée de façon solidaire à un corps monté pivotant autour d'un pivot central. De nombreuses constructions connues sont possibles. Au repos, la mâchoire présente une position sensiblement alignée avec l'axe longitudinal défini par le ski. Dans le cas illustré, au repos, les ailes 7 et 8 sont refermées vers l'axe longitudinal médian que l'on a schématisé par sa trace 11 dans la figure 2.The retaining element also has a jaw formed by two wings 7 and 8 for retaining the boot. In their mode of representation illustrated in the figures, the wings are independent, respectively articulated around vertical axes 9 and 10. The wings extend respectively inwards, beyond the axes 9 and 10 by returns 7a and 8a . In addition, the wings include a sole clamp which ensures the vertical retention of the shoe, in addition to the lateral retention. This is not limiting, and the jaw could have another nature, in particular being in one piece, connected integrally to a body mounted to pivot around a central pivot. Many known constructions are possible. At rest, the jaw has a position substantially aligned with the longitudinal axis defined by the ski. In the illustrated case, at rest, the wings 7 and 8 are closed towards the median longitudinal axis which is shown diagrammatically by its trace 11 in FIG. 2.

Le corps 3 de l'élément de retenue abrite un ressort 12, à qui sont transmises les sollicitations que la chaussure exerce sur les ailes de la mâchoire, et qui, en retour, exerce sur les ailes une force de rappel élastique en direction de leur position de repos respective.The body 3 of the retaining element houses a spring 12, to which are transmitted the stresses which the shoe exerts on the wings of the jaw, and which, in return, exerts on the wings an elastic restoring force in the direction of their respective rest position.

Le ressort est relié à la mâchoire par une liaison de transmission de mouvement.The spring is connected to the jaw by a movement transmission link.

Dans le mode de réalisation représenté dans les figures 1 à 3, la liaison entre le ressort et les ailes de la mâchoire comprend un tirant longitudinal 13 qui est cylindrique. Le tirant est engagé dans les spires du ressort. Il présente à son extrémité avant une rondelle d'arrêt 14 contre laquelle l'extrémité avant du ressort s'appuie. La rondelle est reliée à l'extrémité du ressort par une vis 15 qui permet de régler la compression initiale du ressort. La vis 15 est accessible depuis l'avant de l'élément de retenue au travers d'une ouverture du capot.In the embodiment shown in Figures 1 to 3, the connection between the spring and the wings of the jaw comprises a longitudinal rod 13 which is cylindrical. The tie rod is engaged in the turns of the spring. It has at its front end a stop washer 14 against which the front end of the spring bears. The washer is connected to the end of the spring by a screw 15 which makes it possible to adjust the initial compression of the spring. The screw 15 is accessible from the front of the retaining element through an opening in the cover.

Vers l'arrière, le ressort est en appui contre une paroi d'appui 18 qui est solidaire du corps ou de son embase. Dans le mode de réalisation illustré, la paroi d'appui 18 sert également de butée pour les retours 7a et 8a des ailes, pour une rotation des ailes vers l'intérieur. Cette position en butée contre la paroi d'appui définit la position de repos de chacune des ailes. Le tirant traverse la paroi 18 et débouche vers l'arrière entre les deux ailes. A ce niveau, il présente une partie 20 de diamètre plus petit, avec une tête 21. A la naissance de cette partie de plus faible diamètre, le tirant présente un épaulement 22. Sur la partie de plus faible diamètre sont montés une bague 24, du côté de l'épaulement 22, et un basculeur flottant 25 du côté de la tête 21. Le basculeur flottant est plus large que la tête 21, et ses dimensions sont telles qu'il offre aux retours 7a et 8a des ailes une surface d'appui par laquelle les retours des ailes peuvent solliciter le tirant d'avant en arrière contre la force de rappel du ressort. Avantageusement, la partie 20 de plus petit diamètre est un élément indépendant qui est assemblé par exemple par vissage ou tout autre moyen approprié au reste du tirant.Backwards, the spring bears against a support wall 18 which is integral with the body or its base. In the illustrated embodiment, the support wall 18 also serves as a stop for the returns 7a and 8a of the wings, for rotation of the wings inwards. This position in abutment against the support wall defines the rest position of each of the wings. The tie rod crosses the wall 18 and opens rearward between the two wings. At this level, it has a part 20 of smaller diameter, with a head 21. At the birth of this part of smaller diameter, the tie rod has a shoulder 22. On the part of smaller diameter are mounted a ring 24, on the side of the shoulder 22, and a floating rocker 25 on the side of the head 21. The floating rocker is wider than the head 21, and its dimensions are such that it gives the returns 7a and 8a of the wings a surface d 'support by which the returns of the wings can urge the tie back and forth against the return force of the spring. Advantageously, part 20 more small diameter is an independent element which is assembled for example by screwing or any other means suitable for the rest of the tie rod.

Le basculeur 25 est maintenu sur la partie 20 du tirant, en appui entre sa tête 21 et les retours 7a et 8a des ailes. De préférence, la tête 21 du tirant a une section carrée, et le tirant présente latéralement deux bourrelets qui donnent un bon appui pour le basculeur, notamment au cours des mouvements d'oscillation qui seront décrits ultérieurement. Vers l'avant, le basculeur 25 est en appui contre la bague 24. La bague 24 est montée pivotante autour de la partie 20 du tirant. Vers l'avant, la bague s'appuie contre l'épaulement 22. De façon avantageuse, la bague présente un diamètre extérieur égal à celui de la partie avant du tirant, mais ce n'est pas essentiel. De préférence également, la bague présente une longueur supérieure à la course du tirant entre la position de repos et la libération de la chaussure. L'ensemble du basculeur et de la bague est prévu pour que, au moins au repos, la bague puisse pivoter librement autour de la partie 20. C'est-à-dire que le basculeur et la bague sont montés sur le tirant, entre la tête et l'épaulement 22 avec un léger jeu selon une direction longitudinale.The rocker 25 is held on the part 20 of the tie rod, pressing between its head 21 and the returns 7a and 8a of the wings. Preferably, the head 21 of the tie has a square section, and the tie has laterally two beads which give good support for the rocker, in particular during the oscillating movements which will be described later. Forward, the rocker 25 bears against the ring 24. The ring 24 is pivotally mounted around the part 20 of the tie rod. Towards the front, the ring bears against the shoulder 22. Advantageously, the ring has an outside diameter equal to that of the front part of the tie rod, but this is not essential. Also preferably, the ring has a length greater than the travel of the tie between the rest position and the release of the shoe. The assembly of the rocker and of the ring is provided so that, at least at rest, the ring can pivot freely around the part 20. That is to say that the rocker and the ring are mounted on the tie rod, between the head and the shoulder 22 with a slight play in a longitudinal direction.

Le basculeur 25 est flottant, c'est à dire qu'il peut osciller dans un plan horizontal, en fonction de la position et du déplacement de ses différents appuis.The rocker 25 is floating, that is to say that it can oscillate in a horizontal plane, depending on the position and the displacement of its various supports.

Dans le mode de réalisation représenté, le basculeur présente une large ouverture centrale 27 de forme rectangulaire. Vue de dessus, la largeur de cette ouverture est supérieure au diamètre de la partie 20 du tirant, et, de préférence, cette partie 20 présente une collerette 28 à bord arrondi, dont le diamètre extérieur es sensiblement égal à la largeur de l'ouverture 27. Cette collerette sert d'appui à l'oscillation du basculeur, qui sera décrite plus en détail ultérieurement. La largeur de l'ouverture 27 est cependant inférieure au diamètre de la bague 24.In the embodiment shown, the rocker has a large central opening 27 of rectangular shape. Viewed from above, the width of this opening is greater than the diameter of part 20 of the tie rod, and preferably this part 20 has a flange 28 with a rounded edge, the outside diameter of which is substantially equal to the width of the opening. 27. This flange serves to support the oscillation of the rocker, which will be described in more detail later. The width of the opening 27 is however less than the diameter of the ring 24.

Vue de côté, l'ouverture 27 présente une hauteur qui est légèrement supérieure au diamètre extérieur de la bague 25. La partie 20 du tirant est maintenue à mi-hauteur de l'ouverture 27 par tout moyen approprié.Viewed from the side, the opening 27 has a height which is slightly greater than the outside diameter of the ring 25. The part 20 of the tie rod is held halfway up the opening 27 by any suitable means.

La bague 24 présente du côté du basculeur une surface d'appui plane, qui est verticale, sauf sur un quart de cercle environ où la surface d'appui est en retrait. La zone plane et verticale est repérée en 29 dans les figures, et la zone en retrait en 30. Dans la position de la bague représentée dans les figures 1 et 2, cette zone 30 se trouve alignée avec le plan longitudinal médian, vers le haut, au-dessus de la partie 20 du tirant. Elle pourrait aussi bien être au-dessous de la partie 20. Cette position sera qualifiée dans la suite de position médiane.The ring 24 has on the side of the rocker a flat support surface, which is vertical, except on a quarter of a circle where the support surface is recessed. The planar and vertical zone is marked at 29 in the figures, and the recessed zone at 30. In the position of the ring shown in FIGS. 1 and 2, this zone 30 is aligned with the median longitudinal plane, upwards , above part 20 of the tie rod. It could as well be below part 20. This position will be qualified in the rest of the middle position.

La construction qui vient d'être décrite fonctionne de la façon suivante. Les figures 7 et 8 représentent la liaison entre la ailes et le tirant dans la position médiane de la bague. Dans la figure 7, les ailes sont au repos, en position fermée. Dans la figure 8, l'une des ailes, l'aile 7 en l'occurrence, s'est ouverte. Le retour 8a de l'aile a entraîné le basculeur 25. Le basculeur 25 est maintenu d'un côté par la tête 20 du tirant, et de l'autre côté, par réaction, il s'appuie contre la bague 24 de part et d'autre de l'axe longitudinal médian. Le basculeur se déplace avec le tirant en restant perpendiculaire au tirant.The construction which has just been described operates in the following manner. Figures 7 and 8 show the connection between the wings and the tie in the middle position of the ring. In Figure 7, the wings are at rest, in the closed position. In FIG. 8, one of the wings, the wing 7 in this case, has opened. The return 8a of the wing has driven the rocker 25. The rocker 25 is held on one side by the head 20 of the tie rod, and on the other side, by reaction, it bears against the ring 24 on either side of the median longitudinal axis. The rocker moves with the tie rod staying perpendicular to the tie rod.

La figure 9 représente la construction après une rotation de la bague 24 sur un quart de tour. Cette rotation a amené la zone en retrait 30 du basculeur vers le retour 8a de l'aile 8.FIG. 9 represents the construction after a rotation of the ring 24 over a quarter of a turn. This rotation brought the recessed area 30 of the rocker towards the return 8a of the wing 8.

Dans la figure 10, l'aile 8 s'est ouverte. Dans son mouvement de rotation, l'aile a entraîné le basculeur 25. Le basculeur s'appuie sur la tête du tirant, et, par réaction sur la bague 24 dans la zone diamétralement opposée à la zone 30. Le basculeur se comporte de la même façon que ce qui a été décrit précédemment.In Figure 10, wing 8 has opened. In its rotational movement, the wing has driven the rocker 25. The rocker rests on the head of the tie rod, and, by reaction on the ring 24 in the zone diametrically opposite to the zone 30. The rocker behaves with the same way as what was described previously.

La figure 11 illustre la rotation de l'autre aile, c'est-à-dire l'aile 7. Comme précédemment, le basculeur entraîne la tête 21 du tirant, mais cette fois-ci, le basculeur s'appuie par réaction non plus contre la bague 24, mais contre le retour 8a de l'autre aile. En effet, le basculeur ne peut pas trouver un appui contre la bague 24, à cause de la zone en retrait 30. L'aile 8 est quant à elle retenue par la paroi d'appui 18. Le basculeur 25 ne transmet plus directement son mouvement au tirant, il fonctionne comme un lever, qui pivote par appui sur le retour 8a. Compte tenu de la différence de bras de lever, la force de rappel qui s'oppose à l'ouverture de l'aile est démultipliée. L'ouverture de l'aile 7a est facilitée dans cette position de la bague 24.FIG. 11 illustrates the rotation of the other wing, that is to say the wing 7. As before, the rocker drives the head 21 of the tie rod, but this time, the rocker rests by reaction not more against the ring 24, but against the return 8a of the other wing. Indeed, the rocker cannot find a support against the ring 24, because of the recessed area 30. The wing 8 is in turn retained by the support wall 18. The rocker 25 no longer directly transmits its pulling movement, it works like a lever, which pivots by pressing on the return 8a. Given the difference in lifting arms, the restoring force that opposes the opening of the wing is multiplied. The opening of the wing 7a is facilitated in this position of the ring 24.

De préférence, la zone 30 est suffisamment en retrait pour que l'aile 7 libère la chaussure avant que le basculeur 25 atteigne le fond de la zone 30. De cette façon, le basculeur 30 reste en appui contre le retour de l'aile 8, et l'effet démultiplicateur est maintenu. En outre, l'ouverture 27 du basculeur 30 est prévue en hauteur pour ne pas gêner l'oscillation du basculeur, c'est-à-dire qu'elle est supérieure au diamètre extérieur de la bague.Preferably, the zone 30 is sufficiently set back so that the wing 7 releases the shoe before the rocker 25 reaches the bottom of the zone 30. In this way, the rocker 30 remains in abutment against the return of the wing 8 , and the multiplier effect is maintained. In addition, the opening 27 of the rocker 30 is provided in height so as not to hinder the oscillation of the rocker, that is to say that it is greater than the outside diameter of the ring.

Il va de soi que la bague 24 peut aussi être pivotée dans l'autre sens, pour obtenir le même effet démultiplicateur avec l'ouverture de l'autre aile.It goes without saying that the ring 24 can also be pivoted in the other direction, to obtain the same multiplying effect with the opening of the other wing.

L'élément de retenue comprend en outre des moyens de commande pour déterminer la position de la bague d'après la position relative de l'élément de retenue par rapport à l'autre élément de l'ensemble.The retainer further includes control means for determining the position of the ring based on the relative position of the retainer relative to the other member of the assembly.

Selon le mode de réalisation illustré, la bague 24 présente sur la moitié de sa périphérie une zone cannelée 34. Les cannelures sont orientées parallèlement à la direction longitudinale de déplacement du tirant. De préférence, dans la position médiane de la bague, cette zone est située sur le dessus de la bague.According to the illustrated embodiment, the ring 24 has on the half of its periphery a grooved area 34. The grooves are oriented parallel to the longitudinal direction of movement of the tie rod. Preferably, in the middle position of the ring, this zone is located on top of the ring.

Une crémaillère 35 est prévue pour s'engrener sur les cannelures de la bague 24. La crémaillère 35 est guidée selon un mouvement de translation transversale dans une rainure portée par la paroi d'appui 18. Naturellement tout autre moyen approprié de guidage convient.A rack 35 is provided to mesh with the grooves of the ring 24. The rack 35 is guided in a translational movement transverse in a groove carried by the support wall 18. Naturally any other suitable means of guidance is suitable.

De préférence, la crémaillère 35 ou la bague 24 présente des moyens de rappel élastique en position médiane, c'est-à-dire la position de fonctionnement correspondant aux figures 7 et 8. La crémaillère porte dans sa partie supérieure une tige 36 verticale. La tige 36 est accrochée entre deux ressorts transversaux 37a et 37b qui sont par ailleurs retenus par des butées solidaires du capot 3, et qui rappellent la tige 36 dans sa position médiane. Tout autre moyen approprié convient.Preferably, the rack 35 or the ring 24 has elastic return means in the middle position, that is to say the operating position corresponding to FIGS. 7 and 8. The rack carries in its upper part a vertical rod 36. The rod 36 is hung between two transverse springs 37a and 37b which are also retained by stops integral with the cover 3, and which recall the rod 36 in its middle position. Any other suitable means is suitable.

Selon le mode de mise en oeuvre de l'invention représenté dans les figures 1 à 13, la crémaillère 35 est construite comme un aimant orienté nord-sud selon la direction horizontale et transversale de l'élément de retenue. Par exemple, la crémaillère est formée par un barreau aimanté rapporté au-dessus d'une plaquette neutre portant les dents. Le capot 3 et les autres organes de l'élément de retenue sont également réalisés dans un matériau neutre au rayonnement magnétique, par exemple une matière plastique, ou des alliages à base de métaux non ferreux.According to the embodiment of the invention shown in Figures 1 to 13, the rack 35 is constructed as a magnet oriented north-south in the horizontal and transverse direction of the retaining element. For example, the rack is formed by a magnetic bar attached above a neutral plate carrying the teeth. The cover 3 and the other members of the retaining element are also made of a material neutral to magnetic radiation, for example a plastic material, or alloys based on non-ferrous metals.

L'orientation nord-sud est arbitraire, mais elle est identique pour les deux éléments d'une paire.The north-south orientation is arbitrary, but it is identical for the two elements of a pair.

La figure 12 représente la bague 24 et la crémaillère 35 en position médiane.Figure 12 shows the ring 24 and the rack 35 in the middle position.

La figure 13 représente ces mêmes organes pour deux éléments de retenue placés côte à côte. Les éléments de retenue sont par exemple placés ainsi lorsque les skis sont posés à plat, prêts à être chaussés. Comme convenu, les organes de chaque élément ont été repérés respectivement avec les exposants prime et seconde (24', 24'', 35', 35'', ...).FIG. 13 represents these same members for two retaining elements placed side by side. The retaining elements are for example placed thus when the skis are placed flat, ready to be put on. As agreed, the organs of each element were identified respectively with the prime and second exponents (24 ', 24' ', 35', 35 '', ...).

Les deux aimants des crémaillères 35' et 35'' sont polarisés dans la même direction, si bien que quel que soit la position relative des deux éléments de retenue, les deux aimants s'attirent et se déplacent l'un vers l'autre.The two magnets of the 35 'and 35' 'racks are polarized in the same direction, so that whatever the relative position of the two retaining elements, the two magnets attract and move towards each other.

Ils entraînent avec eux les bagues 24' et 24'' dans des sens de rotation inversés, ce qui aboutit à une polarisation symétrique de chacun des éléments de retenue.They drive with them the rings 24 'and 24' 'in opposite directions of rotation, which results in a symmetrical polarization of each of the retaining elements.

Par cette polarisation, les ailes qui sont situées vers l'extérieur de chacun des éléments de retenue sont prévues pour libérer la chaussure plus facilement, c'est-à-dire avec un seuil de déclenchement plus faible que les ailes intérieures. La chaussure du skieur sera de ce fait libérée pour une sollicitation en torsion de la jambe et du genou du skieur plus faible vers l'intérieur du pied que vers l'extérieur.By this polarization, the wings which are located towards the outside of each of the retaining elements are provided to release the boot more easily, that is to say with a lower trigger threshold than the inner wings. The skier's shoe will therefore be released for a torsional stress on the skier's leg and knee which is lower towards the inside of the foot than towards the outside.

Pour éviter que la polarisation soit modifiée au cours de la pratique du ski, de préférence, un moyen de verrouillage bloque chaque bague une fois qu'elle a atteint sa position de polarisation.To prevent the polarization from being modified during skiing, preferably, a locking means blocks each ring once it has reached its polarization position.

Dans les figures 1 à 13, ce moyen est représenté sous la forme d'un verrou 38 mobile verticalement sous la bague 24. Le verrou porte dans sa partie supérieure une dent 39 qui est prévue pour pouvoir l'engager dans une cannelure de la bague. Le verrou 38 est rappelé élastiquement vers le haut par un ressort 40 situé à sa partie inférieure.In FIGS. 1 to 13, this means is shown in the form of a lock 38 movable vertically under the ring 24. The lock carries in its upper part a tooth 39 which is designed to be able to engage it in a groove in the ring . The lock 38 is resiliently biased upwards by a spring 40 located at its lower part.

Un palpeur de commande est prévu pour ramener le verrou 38 vers le bas, contre la force de rappel du ressort 40, ou bien pour le libérer à volonté. Le palpeur est ici la plaque d'appui de la chaussure qui présente une partie supérieure 41 mobile verticalement, et rappelée élastiquement vers le haut, par exemple par la déformation d'une zone élastiquement déformable formant charnière élastique située à l'arrière de la partie supérieure. De plus, une couche de matériau élastiquement déformable peut être interposée entre la partie 41 et le reste de la plaque, pour rappeler élastiquement la plaque, et aussi pour combler cet espace et éviter l'infiltration de neige ou de salissures.A control sensor is provided to bring the lock 38 down, against the return force of the spring 40, or to release it at will. The feeler is here the support plate of the shoe which has an upper part 41 movable vertically, and resiliently biased upwards, for example by the deformation of an elastically deformable zone forming an elastic hinge situated at the rear of the part superior. In addition, a layer of elastically deformable material can be interposed between the part 41 and the rest of the plate, to resiliently recall the plate, and also to fill this space and avoid the infiltration of snow or dirt.

A l'avant, la partie supérieure 41 est en appui contre la branche d'un basculeur 42 mobile autour d'un axe transversal, dont l'autre branche est prévue pour abaisser le verrou 38, par exemple en prenant appui sur un rebord situé à sa base. Une petite languette reliée à l'extrémité mobile de la partie 41 reprend par dessous la branche du basculeur 42 pour asservir le mouvement du basculeur au mouvement de cette extrémité de la partie 41. Naturellement, tout autre moyen approprié convient.At the front, the upper part 41 is in abutment against the branch of a rocker 42 movable around a transverse axis, the other branch of which is provided for lowering the latch 38, for example by bearing on a flange located at its base. A small tab connected to the movable end of the part 41 takes up from below the branch of the rocker 42 to control the movement of the rocker to the movement of this end of the part 41. Naturally, any other suitable means is suitable.

Le moyen de verrouillage fonctionne de la façon suivante. La mise en place des skis côte à côte provoque la translation transversale des crémaillère 35' et 35'', et la rotation des bagues 24' et 24'' sur une amplitude angulaire d'un quart de tour, pour amener les zones en retrait 30' et 30'' d'un côté et de l'autre de la partie 20 des tirants, respectivement. Pour chacune des bagues, cette rotation amène la première cannelure à l'aplomb de l'axe de la partie 20 du tirant, en regard de la dent 39 du verrou 38.The locking means operates as follows. Putting the skis side by side causes the transverse translation of the rack 35 'and 35' ', and the rotation of the rings 24' and 24 '' over an angular amplitude of a quarter turn, to bring the areas back 30 'and 30' 'on one side and the other of the part 20 of the tie rods, respectively. For each of the rings, this rotation brings the first groove in line with the axis of the part 20 of the tie rod, opposite the tooth 39 of the latch 38.

A l'engagement de la chaussure, la partie 41 de la plaque d'appui s'abaisse, libérant le verrou 38 qui remonte sous la poussée du ressort 40, ce qui provoque l'engagement de la dent 39 dans la cannelure, et le verrouillage de la bague. Les bagues sont immobilisées dans leur position respective tant que les chaussures sont engagées dans leur élément de retenue.When the shoe is engaged, the part 41 of the support plate is lowered, releasing the lock 38 which rises under the thrust of the spring 40, which causes the engagement of the tooth 39 in the groove, and the ring locking. The rings are immobilized in their respective position as long as the shoes are engaged in their retaining element.

Il faut noter qu'au cours de la pratique du ski, la bague peut se déplacer selon une direction longitudinale avec le tirant, le verrou et la crémaillère ne se déplacent pas longitudinalement, mais ils glissent le long des cannelures dans lesquelles ils sont engagés respectivement.It should be noted that during skiing, the ring can move in a longitudinal direction with the tie rod, the bolt and the rack do not move longitudinally, but they slide along the grooves in which they are engaged respectively. .

Le blocage de la bague par le verrou 38 peut se faire également après l'engagement de la chaussure. En effet, dans ce cas, à l'engagement de la chaussure, la dent 39 est repoussée contre la surface lisse de la bague, qui peut donc pivoter lors du rapprochement des deux éléments de retenue, jusqu'à ce que la première cannelure parvienne en regard de la dent 39. La dent immobilise alors la bague.The locking of the ring by the lock 38 can also be done after the engagement of the shoe. Indeed, in this case, the commitment of the shoe, tooth 39 is pushed back against the smooth surface of the ring, which can therefore pivot during the bringing together of the two retaining elements, until the first groove reaches opposite tooth 39. The tooth then immobilizes the ring .

Lorsque la chaussure est libérée de l'élément de retenue, de façon accidentelle ou de façon volontaire, la partie 41 de la plaque d'appui remonte, ce qui ramène le verrou 38 vers le bas. La bague est libérée, et l'un des ressorts supérieurs 37a ou 37b, celui des deux qui a été étiré, rappelle la crémaillère 35 et la bague en position médiane.When the shoe is released from the retaining element, accidentally or voluntarily, the part 41 of the support plate rises, which brings the lock 38 down. The ring is released, and one of the upper springs 37a or 37b, that of the two which has been stretched, recalls the rack 35 and the ring in the middle position.

De préférence, comme le représentent les figures 1 et 14, l'élément de retenue présente des voyants transparents 48 et 49, vers chaque bord, au travers desquels il est possible de voir la crémaillère 35, et donc de contrôler sa mise en place correcte. Dans la figure 14, les crémaillères 35' et 35'' sont visibles au travers des deux voyants extérieurs 48' et 48''. Naturellement, tout autre moyen approprié convient.Preferably, as shown in FIGS. 1 and 14, the retaining element has transparent indicators 48 and 49, towards each edge, through which it is possible to see the rack 35, and therefore to check its correct positioning. . In Figure 14, the racks 35 'and 35' 'are visible through the two exterior indicators 48' and 48 ''. Of course, any other suitable means is suitable.

Les figures 15 et 16 illustrent un autre mode de mise en oeuvre de l'invention. Ces figures représentent un élément de retenue 51 qui présente une structure identique à l'élément 1. On y retrouve le tirant, avec le basculeur, la bague et la crémaillère. Ces organes sont identiques aux éléments précédemment décrits, excepté le fait que la crémaillère n'est pas aimantée dans le cas présent.Figures 15 and 16 illustrate another embodiment of the invention. These figures represent a retaining element 51 which has a structure identical to element 1. It contains the tie rod, with the rocker, the ring and the rack. These members are identical to the elements described above, except that the rack is not magnetized in the present case.

La crémaillère 55 est surmontée comme dans le cas présent d'une tige 56. La tige 56 est manoeuvrée d'un côté et de l'autre par un lever longitudinal 57 qui s'étend vers l'avant de l'élément de retenue et qui est articulé dans sa partie centrale autour d'un axe vertical 58 fixé par exemple au capot 53. L'extrémité arrière du levier présente une fourche qui chevauche la tige 56 dans un plan horizontal. De l'autre côté de l'axe 58, le lever 57 présente une autre extrémité en forme de fourche, dans laquelle est engagée une tige verticale 60. La tige est portée par un curseur transversal 61 mobile en translation. Les deux extrémités 62 et 63 du curseur 61 traversent le capot 53 et font saillie latéralement.The rack 55 is surmounted as in the present case by a rod 56. The rod 56 is maneuvered on one side and on the other by a longitudinal lever 57 which extends towards the front of the retaining element and which is articulated in its central part around a vertical axis 58 fixed for example to the cover 53. The rear end of the lever has a fork which straddles the rod 56 in a horizontal plane. On the other side of the axis 58, the lever 57 has another end in the form of a fork, in which is engaged a vertical rod 60. The rod is carried by a transverse cursor 61 movable in translation. The two ends 62 and 63 of the slider 61 pass through the cover 53 and protrude laterally.

La polarisation d'un élément de retenue se fait ici de façon mécanique par appui sur le curseur situé du côté de l'autre élément de retenue au moyen de l'autre élément, de l'autre ski ou de l'autre chaussure. Par exemple, le skieur engage se deux chaussures dans les deux éléments de retenue puis donne avec l'un de ses skis un coup contre l'extrémité intérieure du curseur de l'autre élément, et il renouvelle l'opération pour l'autre pied.The polarization of a retaining element is done here mechanically by pressing the slider located on the side of the other retaining element by means of the other element, the other ski or the other shoe. For example, the skier engages two shoes in the two retaining elements then gives with one of his skis a blow against the inner end of the cursor of the other element, and he repeats the operation for the other foot .

Dans le cas présent, les extrémités du curseur permettent par leur position de contrôler l'état de polarisation de l'élément de retenue.In the present case, the ends of the cursor make it possible, by their position, to control the state of polarization of the retaining element.

Par cette polarisation, les ailes qui sont situées vers l'extérieur de chacun des éléments de retenue sont prévues pour libérer la chaussure plus facilement, c'est-à-dire avec un seuil de déclenchement plus faible que les ailes intérieures. La chaussure du skieur sera de ce fait libérée pour une sollicitation en torsion de la jambe et du genou du skieur plus faible vers l'intérieur du pied que vers l'extérieur.By this polarization, the wings which are located towards the outside of each of the retaining elements are provided to release the shoe more easily, that is to say with a lower trigger threshold than the inner wings. The skier's shoe will therefore be released for a torsional stress on the skier's leg and knee which is lower towards the inside of the foot than towards the outside.

L'élément qui vient d'être décrit peut présenter des moyens de rappel de la crémaillère en position centrale, et des moyens de verrouillage de la bague de même nature que ceux décrits précédemment, ou de nature équivalente.The element which has just been described may have means for returning the rack to the central position, and means for locking the ring of the same kind as those described above, or of equivalent nature.

Les figures 17 et suivantes illustrent un autre mode de mise en oeuvre de l'invention. L'élément de retenue 71 représenté pour illustrer ce mode de réalisation présente une structure mécanique de même nature que ce qui a été décrit précédemment, avec notamment une embase 72, un capot 73, une plaque d'appui 75, des ailes de retenue 77 et 78, un ressort 82, un tirant 83, une paroi d'appui 88. Le tirant porte une bague 94 avec une zone cannelée 99 et un basculeur 95. La bague est ici manoeuvrée par un petit moteur électrique 96 présentant en sortie une roue dentée 97 au pas des cannelures de la bague 94. Le moteur et la roue sont prévus pour entraîner la bague sur une rotation d'un quart de tour de part et d'autre de sa position médiane, ce qui polarise l'élément de retenue en tant qu'élément droit ou élément gauche, ainsi que cela a été décrit en référence aux figures 7 à 11.Figures 17 and following illustrate another embodiment of the invention. The retaining element 71 shown to illustrate this embodiment has a mechanical structure of the same nature as that which has been described previously, with in particular a base 72, a cover 73, a support plate 75, retaining wings 77 and 78, a spring 82, a tie rod 83, a support wall 88. The tie rod carries a ring 94 with a grooved area 99 and a rocker 95. The ring is here operated by a small electric motor 96 having at its outlet a wheel toothed 97 in the pitch of the grooves of the ring 94. The motor and the wheel are designed to drive the ring on a quarter-turn rotation on either side of its central position, which polarizes the retaining element as a right element or a left element, as has been described with reference to FIGS. 7 to 11.

Le moteur 96 est par exemple fixé à la paroi 88. Il est commandé par un circuit électronique comprenant de chaque côté de l'élément de retenue un organe émetteur, respectivement 103, 104, et un organe récepteur, respectivement 105, 106. Des schémas fonctionnels de ce circuit sont donnés à titre d'illustration dans les figures 20 et 21. Le moteur et le circuit électronique sont alimentés en courant par une batterie connue et couplés par des moyens électriques d'un type connu, qui ne seront pas décrits en détail. Avantageusement, les organes émetteurs et les organes récepteurs d'un même élément de retenue sont disposés en quinconce.The motor 96 is for example fixed to the wall 88. It is controlled by an electronic circuit comprising on each side of the retaining element a transmitting member, respectively 103, 104, and a receiving member, respectively 105, 106. Diagrams functional of this circuit are given by way of illustration in FIGS. 20 and 21. The motor and the electronic circuit are supplied with current by a known battery and coupled by electrical means of a known type, which will not be described in detail. Advantageously, the transmitting members and the receiving members of the same retaining element are staggered.

La figure 19 illustre le mode de fonctionnement de cet ensemble. Elle représente un ensemble de deux éléments de retenue 71' et 71'' placés côte à côte, dans la position où les skis sont prêts à être chaussés.Figure 19 illustrates the mode of operation of this assembly. It represents a set of two retaining elements 71 'and 71' 'placed side by side, in the position where the skis are ready to be put on.

On voit dans la figure 19 que la disposition en quinconce des émetteurs et des récepteurs permet avantageusement d'avoir le récepteur 106' en regard de l'émetteur 103'', et inversement, l'émetteur 104' en regard du récepteur 105''. Chaque élément de retenue connaît donc sa position d'après le récepteur qui est activé.It can be seen in FIG. 19 that the staggered arrangement of the transmitters and receivers advantageously makes it possible to have the receiver 106 'facing the transmitter 103' ', and conversely, the transmitter 104' facing the receiver 105 '' . Each retaining element therefore knows its position according to the receiver which is activated.

Les organes émetteur et récepteur sont de tout type approprié. Ils sont prévus pour transmettre des signaux de façon directionnelle sur une courte distance. Ces signaux peuvent être codés. Par exemple il s'agit d'un émetteur et d'un récepteur de type infra-rouge du type de ceux utilisés dans les télécommandes de téléviseurs. Il peut s'agir aussi d'organes tels que ceux utilisés pour l'ouverture à distance de portails, ou le verrouillage centralisé des portes d'un véhicule. On pourrait aussi mettre en oeuvre des organes de type optique, avec organe émetteur de lumière et une cellule photo-électrique. On pourrait aussi utiliser des circuits plus complexes, par exemple de type résonnant ou des circuits utilisant un champ magnétique que l'on perturbe en introduisant dans le champ couvert un élément étranger de l'autre élément de retenue.The transmitting and receiving organs are of any suitable type. They are designed to transmit signals directionally over a short distance. These signals can be coded. For example, it is an infrared type transmitter and receiver of the type used in remote controls for televisions. It can also be organs such as those used for opening to distance from gates, or central locking of vehicle doors. One could also use optical type organs, with light emitting organ and a photoelectric cell. One could also use more complex circuits, for example of the resonant type or circuits using a magnetic field which is disturbed by introducing into the covered field a foreign element of the other retaining element.

La figure 20 représente un premier schéma fonctionnel de commande qui peut être mis en oeuvre. Pour simplifier la compréhension, on convient que les organes émetteur et récepteur mis en oeuvre sont de type simple, c'est-à-dire avec un organe émetteur prévu pour émettre un signal, et un récepteur prévu pour capter le signal de l'émetteur.FIG. 20 represents a first functional control diagram which can be implemented. To simplify understanding, it is agreed that the transmitter and receiver members used are of the simple type, that is to say with a transmitter member intended for transmitting a signal, and a receiver intended to receive the signal from the transmitter. .

Le schéma comprend un interrupteur 100 qui réagit à la présence et l'absence de la chaussure, par exemple avec l'engagement de la chaussure et de sa libération. Par exemple, la plaque d'appui est construite comme la plaque précédente, avec une partie mobile 101. L'interrupteur 100 est placé sous l'extrémité mobile de la plaque.The diagram includes a switch 100 which reacts to the presence and absence of the shoe, for example with the engagement of the shoe and its release. For example, the support plate is constructed like the previous plate, with a movable part 101. The switch 100 is placed under the movable end of the plate.

L'interrupteur alimente les deux émetteurs, 103 et 104 et les deux récepteurs 105 et 106. Les deux récepteurs 105 et 106 sont par ailleurs couplés à un discriminateur 110 qui détermine lequel des récepteurs 105 ou 106 est activé par une émission de signaux en provenance de l'autre élément de retenue.The switch supplies the two transmitters, 103 and 104 and the two receivers 105 and 106. The two receivers 105 and 106 are also coupled to a discriminator 110 which determines which of the receivers 105 or 106 is activated by a transmission of signals from of the other retainer.

Selon que le récepteur activé est le récepteur droit ou gauche de l'élément de retenue, le discriminateur commande la rotation du moteur 96 et de la bague 94 pour l'amener dans la position de polarisation appropriée.Depending on whether the activated receiver is the right or left receiver of the retaining element, the discriminator controls the rotation of the motor 96 and of the ring 94 to bring it into the appropriate polarization position.

Lorsque l'interrupteur 100 n'est plus activé par la chaussure, l'émission de signaux cesse. On peut prévoir dans ce cas que le discriminateur ramène la bague en position médiane, de façon qu'elle soit prête pour un nouveau chaussage. Ceci n'est cependant pas essentiel.When the switch 100 is no longer activated by the shoe, the emission of signals ceases. In this case, provision can be made for the discriminator to return the ring to the middle position, so that it is ready for a new fitting. This is however not essential.

La figure 21 illustre une variante de mise en oeuvre du schéma fonctionnel. Selon cette variante, l'interrupteur 100 est coupé à un circuit de temporisation 115 qui active les deux émetteurs 103 et 104 et les récepteurs 105 et 106 pendant une durée de temps déterminée, par exemple une durée d'une ou deux minutes après l'engagement de la chaussure.FIG. 21 illustrates a variant implementation of the functional diagram. According to this variant, the switch 100 is cut to a timing circuit 115 which activates the two transmitters 103 and 104 and the receivers 105 and 106 for a determined period of time, for example a period of one or two minutes after the shoe engagement.

Comme dans le cas précédent un discriminateur 120 est couplé aux deux récepteurs. Toutefois, il a ici pour seule fonction de piloter la mise en position correcte de la bague en fonction du récepteur activé pendant la durée de temps déterminée.As in the previous case, a discriminator 120 is coupled to the two receivers. However, its sole function here is to control the correct positioning of the ring as a function of the receiver activated for the determined period of time.

Le circuit présente en effet de façon préférentielle un circuit de remise à zéro 121 qui est couplé au circuit de temporisation 115, dont la fonction est de ramener la bague en position médiane lorsque la chaussure est libérée.The circuit preferably has a reset circuit 121 which is coupled to the timing circuit 115, the function of which is to bring the ring back to the middle position when the shoe is released.

De préférence également, un second interrupteur 122 est placé de façon accessible. Par exemple, il est prévu à la surface supérieure du capot, pour pouvoir être manoeuvré par le bâton de ski. Cet interrupteur est placé en parallèle sur l'interrupteur 100, et sa fonction est de réactiver volontairement le circuit de temporisation pendant la période de temps déterminée. Cet interrupteur sera notamment utilisé en cas de rechaussage de l'autre ski après une libération accidentelle de la chaussure, de façon à émettre des signaux qui vont permettre à l'autre élément de retenue de se polariser de nouveau. En effet, le circuit de remise à zéro 121 de cet élément de retenue aura rappelé la bague en position médiane à la libération de la chaussure.Preferably also, a second switch 122 is placed in an accessible manner. For example, it is provided on the upper surface of the hood, so that it can be maneuvered by the ski pole. This switch is placed in parallel with the switch 100, and its function is to reactivate the timing circuit voluntarily during the determined period of time. This switch will be used in particular in the case of raising the other ski after an accidental release of the boot, so as to emit signals which will allow the other retaining element to polarize again. Indeed, the reset circuit 121 of this retaining element will have recalled the ring in the middle position when the shoe is released.

Ces schémas fonctionnels ne sont donnés qu'à titre indicatif, ils n'ont pas de valeur limitative en regard de l'invention. Il existe en effet d'autres possibilités.These functional diagrams are given for information only, they have no limiting value with regard to the invention. There are indeed other possibilities.

La figure 22 illustre une variante de mise en oeuvre. Les émetteurs et les récepteurs sont ici remplacés par un simple interrupteur.FIG. 22 illustrates an alternative implementation. The transmitters and receivers are replaced here by a simple switch.

Ainsi, la figure représente deux éléments de retenue 123' et 123'' disposés côte à côte. Chaque élément présente de chaque côté un interrupteur 124', 125', 124'', 125'', dont la partie mobile traverse la paroi latérale du capot. A l'extérieur du capot de l'élément de retenue, la partie mobile de l'interrupteur est protégée par une paroi en caoutchouc en forme de bulle 126', 127', 126'', 127''. Ceci n'est cependant pas essentiel, et tout autre moyen approprié convient.Thus, the figure shows two retaining elements 123 'and 123' 'arranged side by side. Each element has on each side a switch 124 ', 125', 124 '', 125 '', the movable part of which crosses the side wall of the cover. Outside the cover of the retaining element, the movable part of the switch is protected by a bubble-shaped rubber wall 126 ', 127', 126 '', 127 ''. This is not essential, however, and any other suitable means is suitable.

Le principe de fonctionnement de cette variante de réalisation est le suivant. Au moment du chaussage, le skieur actionne l'interrupteur intérieur de chaque élément de retenue avec un organe de l'autre ski, c'est-à-dire par exemple le ski lui-même, la chaussure, l'élément de retenue ou l'autre interrupteur intérieur.The operating principle of this alternative embodiment is as follows. When putting on, the skier actuates the interior switch of each retaining element with a member of the other ski, that is to say for example the ski itself, the boot, the retaining element or the other interior switch.

En aval, un circuit discriminateur 129 détecte lequel des deux interrupteurs a été actionné, et commande le moteur 96 de façon à amener la bague 94 dans la position de polarisation correspondant à la position droite ou gauche de l'élément de retenue.Downstream, a discriminator circuit 129 detects which of the two switches has been actuated, and controls the motor 96 so as to bring the ring 94 into the polarization position corresponding to the right or left position of the retaining element.

Pour éviter que ce réglage soit modifié au cours de la pratique du ski , on peut prévoir un circuit de temporisation 130 commandé par un interrupteur 131 sensible à l'engagement et à la libération de la chaussure. Le circuit de temporisation active le discriminateur pendant une durée de temps déterminée après l'engagement de la chaussure. Après cette durée au cours de laquelle le skieur est sensé réaliser les manoeuvres nécessaires à la polarisation de ses éléments de retenue, le circuit 130 neutralise le discriminateur jusqu'à ce que la chaussure soit libérée. A la libération de la chaussure, on peut prévoir que le circuit de temporisation et le discriminateur commandent le moteur en retour à sa position médiane.To prevent this setting from being modified during skiing, provision may be made for a timing circuit 130 controlled by a switch 131 sensitive to the engagement and release of the boot. The delay circuit activates the discriminator for a determined period of time after the shoe has been engaged. After this period during which the skier is supposed to carry out the maneuvers necessary for the polarization of its retaining elements, the circuit 130 neutralizes the discriminator until the boot is released. When the boot is released, provision can be made for the timing circuit and the discriminator to control the motor back to its central position.

Comme pour le cas précédent, d'autres modes de fonctionnement sont également possibles. Ce qui importe ici, c'est que les éléments de retenue sont polarisés par un mouvement naturel qui dépend directement de la position que les élément occupent aux pieds du skieurs.As in the previous case, other operating modes are also possible. What matters here is that the retainers are polarized by a natural movement which depends directly on the position that the elements occupy at the feet of the skiers.

De plus, l'invention n'est pas non plus limitée aux constructions mécaniques qui ont été décrites, de nombreuses variantes existent, selon que la mâchoire présente deux ailes indépendantes, ou deux ailes dont le mouvement latéral est lié, ou selon que le corps de l'élément de retenue est fixe sur le ski ou mobile avec la mâchoire.In addition, the invention is also not limited to the mechanical constructions which have been described, many variants exist, depending on whether the jaw has two independent wings, or two wings whose lateral movement is linked, or according to whether the body of the retaining element is fixed on the ski or mobile with the jaw.

Claims (14)

Ensemble de deux éléments de retenue des deux chaussures d'un skieur sur deux skis, chaque élément de retenue présentant - une mâchoire de retenue (7, 8, 77, 78), prévue pour retenir une extrémité de la chaussure, la mâchoire étant mobile au moins dans un plan horizontal d'un côté et de l'autre d'une position centrale où elle est alignée avec le plan longitudinal médian défini par le ski, - un ressort de rappel (12, 82) de la mâchoire dans sa position alignée, - une liaison de transmission de mouvement (7a, 8a ) entre la mâchoire de retenue et le ressort qui comprime le ressort avec le mouvement d'éloignement de la mâchoire par rapport à sa position alignée, d'un côté ou de l'autre de sa position alignée, et qui renvoie en retour à la mâchoire une force de rappel élastique vers sa position alignée, - la mâchoire et le ressort étant prévus pour libérer l'extrémité de la chaussure au-delà d'un seuil de déclenchement déterminé correspondant à une amplitude déterminée de déplacement de la mâchoire et à une course déterminée de compression du ressort,
   caractérisé par le fait qu'il présente - un mécanisme d'ajustement (25, 24, 96, 97) agissant sur la liaison de transmission pour modifier de façon différentielle le seuil de déclenchement de la mâchoire selon qu'elle se déplace d'un côté ou de l'autre par rapport à sa position alignée, - un organe de manoeuvre (35', 35'', 61, 105', 105'', 123', 123'', 124', 124'') prévu pour être actionné depuis l'autre élément de retenue et pour commander le mécanisme d'ajustement. Set of two retaining elements for the two boots of a skier on two skis, each retaining element having - a retaining jaw (7, 8, 77, 78), intended to retain one end of the boot, the jaw being movable at least in a horizontal plane on one side and on the other from a central position where it is aligned with the median longitudinal plane defined by the ski, - a return spring (12, 82) of the jaw in its aligned position, - a movement transmission link (7a, 8a) between the retaining jaw and the spring which compresses the spring with the movement of the jaw moving away from its aligned position, on one side or the other of its aligned position, and which returns in return to the jaw an elastic restoring force towards its aligned position, the jaw and the spring being provided to release the end of the shoe beyond a determined triggering threshold corresponding to a determined amplitude of movement of the jaw and to a determined stroke of compression of the spring,
characterized by the fact that it presents - an adjustment mechanism (25, 24, 96, 97) acting on the transmission link to differentially modify the trigger threshold of the jaw depending on whether it moves on one side or the other relative at its aligned position, - an operating member (35 ', 35'', 61, 105', 105 '', 123 ', 123'',124', 124 '') designed to be actuated from the other retaining element and to control the adjustment mechanism. Ensemble selon la revendication 1, caractérisé par le fait que les deux éléments sont construits de façon identique.Assembly according to claim 1, characterized in that the two elements are constructed identically. Ensemble selon la revendication 1, caractérisé par le fait qu'il présente un verrou (38) prévu pour bloquer de façon libérable le mécanisme d'ajustement.An assembly according to claim 1, characterized in that it has a lock (38) provided for releasably locking the adjustment mechanism. Ensemble selon la revendication 3, caractérisé par le fait qu'il présente un élément élastique (37a, 37b) de rappel du mécanisme d'ajustement (24) en position médiane.Assembly according to claim 3, characterized in that it has an elastic element (37a, 37b) for returning the adjustment mechanism (24) to the middle position. Ensemble selon la revendication 1, caractérisé par le fait que pour chacun des éléments de retenue, l'organe de manoeuvre est un barreau aimanté (35) orienté selon une direction transversale, et guidé pour un mouvement de translation selon cette direction transversale.Assembly according to claim 1, characterized in that for each of the retaining elements, the operating member is a magnetic bar (35) oriented in a transverse direction, and guided for a translational movement in this transverse direction. Ensemble selon la revendication 5, caractérisé par le fait que le barreau aimanté (35) est en prise sur une bague (24) dont il commande la rotation par son déplacement en translation.Assembly according to claim 5, characterized in that the magnetic bar (35) is engaged on a ring (24) whose rotation it controls by its displacement in translation. Ensemble selon la revendication 5, caractérisé par le fait que le capot (3) de chaque élément de retenue présente au moins une fenêtre (48, 49) placée sur le chemin de déplacement du barreau.Assembly according to claim 5, characterized in that the cover (3) of each retaining element has at least one window (48, 49) placed on the path of movement of the bar. Ensemble selon la revendication 1, caractérisé par le fait que chaque élément présente un curseur transversal (61) dont les deux extrémités sont en saillie de chaque côté de la paroi de l'élément de retenue.Assembly according to claim 1, characterized in that each element has a transverse cursor (61), the two ends of which project from each side of the wall of the retaining element. Ensemble selon la revendication 8, caractérisé par le fait que le curseur (61) est relié à l'extrémité d'un lever articulé autour d'un axe fixe.Assembly according to claim 8, characterized in that the cursor (61) is connected to the end of a lever articulated around a fixed axis. Ensemble selon la revendication 8, caractérisé par le fait que l'autre extrémité du lever est relié à une crémaillère (55) orientée selon une direction transversale, et guidée pour un mouvement de translation selon cette direction transversale.Assembly according to claim 8, characterized in that the other end of the lever is connected to a rack (55) oriented in a transverse direction, and guided for a translational movement in this transverse direction. Ensemble selon la revendication 1, caractérisé par le fait que le mécanisme d'ajustement comprend un moteur électrique (96).Assembly according to claim 1, characterized in that the adjustment mechanism comprises an electric motor (96). Ensemble selon la revendication 11, caractérisé par le fait que l'organe de manoeuvre comprend pour chaque élément de retenue deux émetteurs (103, 104) de signaux, et deux récepteurs (105, 106) de signaux, un émetteur et un récepteur étant placés sur chaque côté de l'élément de retenue.Assembly according to Claim 11, characterized in that the operating member comprises, for each retaining element, two signal transmitters (103, 104), and two signal receivers (105, 106), a transmitter and a receiver being placed on each side of the retainer. Ensemble selon la revendication 12, caractérisé par le fait que les deux récepteurs (104, 105) sont couplés à un discriminateur (110) prévu pour déterminer lequel des deux récepteurs (104, 105) est activé par l'un des émetteurs de l'autre élément de retenue.Assembly according to claim 12, characterized in that the two receivers (104, 105) are coupled to a discriminator (110) provided for determining which of the two receivers (104, 105) is activated by one of the transmitters of the other retainer. Ensemble selon la revendication 1, caractérisé par le fait que l'organe de manoeuvre comprend pour chaque élément de retenue deux interrupteurs (123' 123'', 124', 124''), un sur chaque côté, dont la partie mobile fait saillie pour être accessible depuis l'autre élément de retenue.Assembly according to Claim 1, characterized in that the operating member comprises, for each retaining element, two switches (123 '123' ', 124', 124 ''), one on each side, the movable part of which projects to be accessible from the other retainer.
EP95115919A 1994-11-21 1995-10-10 Binding element assembly for boots on sliding boards Expired - Lifetime EP0712648B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9414073A FR2727030B1 (en) 1994-11-21 1994-11-21 ASSEMBLY OF SHOE RETAINING ELEMENTS ON SLIDING BOARDS
FR9414073 1994-11-21

Publications (2)

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EP0712648A1 true EP0712648A1 (en) 1996-05-22
EP0712648B1 EP0712648B1 (en) 1998-03-04

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EP95115919A Expired - Lifetime EP0712648B1 (en) 1994-11-21 1995-10-10 Binding element assembly for boots on sliding boards

Country Status (6)

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US (1) US5722679A (en)
EP (1) EP0712648B1 (en)
JP (1) JPH08215371A (en)
AT (1) ATE163559T1 (en)
DE (1) DE69501707T2 (en)
FR (1) FR2727030B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829278A1 (en) * 1996-09-13 1998-03-18 Salomon S.A. Toe piece binding for a safety sliding board
EP1208881A1 (en) 2000-11-28 2002-05-29 Look Fixations S.A. Safety binding for a ski boot

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6283492B1 (en) * 1996-12-27 2001-09-04 Noah W. Hale Snowboard binding system and a snowboard step-in boot system with gradually increasing resistance
FR2808453B1 (en) 2000-05-04 2002-08-02 Salomon Sa RETAINING ELEMENT OF THE FRONT OF A SHOE ON A SKI
US8951278B2 (en) * 2010-03-24 2015-02-10 Vladimir Reil Post carrier for body piercing instrument

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FR1503848A (en) 1965-12-02 1967-12-01 Salomon & Fils F Unsymmetrical release binding for skis
FR1503847A (en) 1966-10-14 1967-12-01 Salomon & Fils F Improvement in ball-locking ski bindings
FR1503849A (en) 1966-10-14 1967-12-01 Salomon & Fils F Unsymmetrical release device for ski bindings
DE1807074A1 (en) 1968-11-05 1970-05-27 Augustin Dr Ing Dietmar Asymmetrical ski safety bindings (toe piece) against turning falls
AT313761B (en) * 1970-12-24 1974-03-11 Smolka & Co Wiener Metall Spring locking for ski bindings
US3960383A (en) * 1974-08-28 1976-06-01 Neil Bryan L O Magnetic ski binding
EP0302309A2 (en) * 1987-08-03 1989-02-08 Marker Deutschland GmbH Toe iron for safety ski bindings
EP0580021A1 (en) * 1992-07-17 1994-01-26 HTM Sport- und Freizeitgeräte Aktiengesellschaft Ski binding
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Publication number Priority date Publication date Assignee Title
FR1503848A (en) 1965-12-02 1967-12-01 Salomon & Fils F Unsymmetrical release binding for skis
FR1503847A (en) 1966-10-14 1967-12-01 Salomon & Fils F Improvement in ball-locking ski bindings
FR1503849A (en) 1966-10-14 1967-12-01 Salomon & Fils F Unsymmetrical release device for ski bindings
DE1807074A1 (en) 1968-11-05 1970-05-27 Augustin Dr Ing Dietmar Asymmetrical ski safety bindings (toe piece) against turning falls
AT313761B (en) * 1970-12-24 1974-03-11 Smolka & Co Wiener Metall Spring locking for ski bindings
US3960383A (en) * 1974-08-28 1976-06-01 Neil Bryan L O Magnetic ski binding
EP0302309A2 (en) * 1987-08-03 1989-02-08 Marker Deutschland GmbH Toe iron for safety ski bindings
EP0580021A1 (en) * 1992-07-17 1994-01-26 HTM Sport- und Freizeitgeräte Aktiengesellschaft Ski binding
DE4305327C1 (en) * 1993-02-20 1994-03-03 Peter Wirnsberger Ski binding maintaining natural foot position - incorporates heel holder positioned off-centre to cause adjustable divergence of axis

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829278A1 (en) * 1996-09-13 1998-03-18 Salomon S.A. Toe piece binding for a safety sliding board
FR2753390A1 (en) * 1996-09-13 1998-03-20 Salomon Sa RETAINING ELEMENT OF FRONT OF SHOE ON SLIDING BOARD AND ASSEMBLY OF FRONT ELEMENTS
EP1208881A1 (en) 2000-11-28 2002-05-29 Look Fixations S.A. Safety binding for a ski boot
FR2817161A1 (en) 2000-11-28 2002-05-31 Look Fixations Sa SECURITY FIXING FOR SKI SHOES

Also Published As

Publication number Publication date
JPH08215371A (en) 1996-08-27
FR2727030B1 (en) 1997-01-24
EP0712648B1 (en) 1998-03-04
DE69501707T2 (en) 1998-07-16
US5722679A (en) 1998-03-03
DE69501707D1 (en) 1998-04-09
FR2727030A1 (en) 1996-05-24
ATE163559T1 (en) 1998-03-15

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