DE2213029A1 - Device for attaching a ski boot to a ski - Google Patents

Description

1571

DR.-ING. R. DÖRING DIPL.-PHYS. DR. J. FRICKE

BRAUNSCHWEIG MUNICH

Sr *. Francois SALOMON & FiIs, Chemin de la Prairie Prolonge, Annecy (Haut-Savoie), France

"Device for attaching a ski boot to a ski ¹

The invention relates to a device for fastening a ski boot on a ski, which is in a secured position of the boot can be locked on the ski and it is appropriate to ensure that when the boot is unlocked in can be moved with respect to the ski. In particular, the invention relates to a device which ensures that the ski boot has the opportunity to come free from the ski, but without a complete separation. With others In other words, it can be said that the type of device plays a role analogous to that of the plastic safety belts. Thus, the device according to the invention belongs to the family of devices in which a support device is provided and articulated between the boot and the ski on the one hand on the ski and on the other hand on an element the sole of the boot, which can function as part of the sole of the boot itself, or which consists of an element, which is attached to the boot by means of suitable devices while the skis are in use.

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Furthermore, said device is intended to .in a To be locked position intended to ensure that the boot is held on the ski, the Locking can be triggered at least in the lateral and vertical direction in order to function as a safety binding to meet.

Devices for fastening a boot on a ski are already known which have a hinged support device. These devices can be divided into two groups:

On the one hand devices that are designed so that they in particular Allow skiing. In these devices, the support device remains articulated on the ski at one point and allows the skier to step in port, for example to climb a slope.

The second group comprises devices which essentially perform a safety function. Beating loosens the Support device completely from the ski, but remains connected to it by a band, in particular by a soft one Belt.

It should therefore be noted that these devices have the possibility offer to fill in the functions mentioned above with the help of certain arrangements.

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The known devices offer various disadvantages which can have consequences, on the one hand with regard to the comfortable and reliable use of the ski while hiking or be it for the safety of the skier even with regard to the safety release.

In a known device belonging to the first group, a stirrup is provided which is attached to the heel of the boot is attached and hinged on the articulated two lever or crank arms ^ ind in such a way that they can be pivoted about axes fixed to the ski are. This device allows the heel to be raised in relation to the ski before the boot into a safety abutment is used and an auxiliary tensioner is placed around the heel of the boot against the ski.

This type of device requires numerous organs and is difficult to use and increases weight compared to the classic hooks or jaws, which depending on the respective application (ski hiking or downhill skiing) an adjustment of the tension of the tensile force of the tensioner with which this holds the boot on the ski. In the Downhill position, the known device is blocked in the rear area on the ski, with a safety receptacle Freeing of the boot in the front area is permitted in the case of twisting cases. For this purpose, the holder can be swiveled sideways, while it cannot be blocked while skiing.

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It is believed that the device with a bracket in the Zone of the heel is therefore not suitable for ski touring, as this device causes a displacement of the front part of the Allowed shoe with respect to the longitudinal axis of the ski, which is a major disadvantage during ski touring, since this is the the front part of the boot directs the ski in relation to the path to be followed.

Devices are also known which have a bracket that is connected to the ski by a hinge plate which allows the heel to be raised compared to the ski by bending or folding. This device also enables ski hiking.

The bracket is attached to the sole of the boot and is pivotable with respect to this about an axis which is in a plane of the sole lies. The legs of the bracket are supported by a first plate, which in turn is pivotable about an axis that runs parallel to the plane of the sole. This axis carries a plate, which in turn is pivotable about a third axis, which perpendicular to the other two axes.

This device has disadvantages in that it does not allow the shoe to pivot sideways, with the exception of one whole special case that occurs when the swivel plates are in alignment in a vertical plane. In contrast lateral pivoting cannot occur if

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the boot is close to the ski, which is the general case. The lack of freedom for the shoe in a horizontal Flat is a serious disadvantage of this device.

In addition, this type of attachment is necessarily used must be provided with a safety jaw to hold the front part of the shoe and ensure that a lateral Triggering is enabled.

Furthermore, one knows within the first group devices which have a flexible plate, which with one end at the Ski is attached under a safety jaw and which can be temporarily connected to the boot by an element, which surrounds the heel and is secured with a leather strap. This device is specially equipped for ski touring and does not allow any safety function except in connection with a toe and a rear safety jaw.

With regard to the devices of the second group, it should be noted that that tei these a rigid plate is used, the is temporarily attached under the sole. This rigid plate is held on the ski by means of a device which can be addressed as a safety interlock. After the lock has been released, the boot mounted on the plate can can be completely detached from the ski, but the plate continues to be connected to the ski by a lanyard or the like

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remain. In this device the plate is essentially a Part of the safety binding. In order to enable skiing, it is necessary that this plate has a swivel system which is connected to the ski Cares.

Another known device uses a system of two plates which are hinged at one end. A plate is firmly connected to the sole of the boot, while the other plate is around a fixed middle and perpendicular to the ski Axis is rotatable.

Finally, a device is known which has a plate on which the boot is temporarily attached. This plate can be pivoted on the ski around a kind of ball joint, which is provided at the front end of the boot. A safety jaw that can be released and locked in all directions locks the plate in the rear area of the ski. A disadvantage of this device lies in the fact that after tripping the safety device, i.e. in front of the foot that is attached to the ski, as well as in the event of the ski being blocked in the Snow the foot can be subjected to a dangerous torque. In addition, the use of a ball-and-socket joint Connection after triggering the safety device leads to an undefined position of the plate, which the skier forces you to carry out uncomfortable and difficult manipulations in order to bring the binding back to its original state.

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The various known devices do not allow them to be released of the boot with respect to the ski in all planes, so that they constitute a certain danger in the event of the skier falling can.

It is the object of the present invention to develop a device of the type described in more detail in such a way that it does not have the disadvantages described and ensures that the boot is free of the release movement with respect to the ski has, as it could not previously be achieved with the known devices.

The device according to the invention comprises in a known manner a support device between the ski and a Element of the sole of the boot is arranged and connected to the ski by one end in a way that allows a displacement the support device around this end in a plane perpendicular to the shoe, while the other end of the support device is free to enable this displacement and in which an articulation point is provided, which the support device connects to an element of the sole of the boot, which joint point allows the shoe to move about an axis which is always perpendicular to the shoe sole. These The device is further characterized by the fact that the connection between the hinge point and the support device is ensured by a second hinge point, which presents a pivot axis transverse to the ski, whereby the pivot

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axes of the two hinge points are permanently perpendicular to each other
remain. The axis of the second hinge point is preferably located in a plane which passes through an axis of the skier's shin.

The device according to the invention is expediently of this type designed to ensure three degrees of freedom for the boot with respect to the ski, namely:

a pivoting movement of the boot
from front to back,

a pivoting movement of the boot
from back to front,

a rotational movement of the boot in the
Level of the sole.

The device can advantageously have, inter alia, an organ which presents an axis which, in the rest state, runs essentially parallel to the longitudinal axis of the ski and around
which the boot has the opportunity to tip over when it is no longer firmly attached to the ski. This creates a fourth degree of freedom, which is optionally available for the boot.

The support device in question can be designed as follows:

Either as a plate, a rod
or a series of rigid bars

or by a flexible or deformable plate.

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- 9 '-
The rigid plates can possibly be designed telescopically.

On the other hand, the device according to the invention expediently comprises in a known manner a means to the boot in
an axial position on the ski as well as a lateral safety release and a means to set the boot
to hold parallel to the ski, which is a safety release
having in the vertical direction.

The means of plaguing the boot sideways
counteract a free rotational movement of the boot about the axis of the first joint position, while the means for holding
of the boot in the vertical direction, on the one hand, a displacement of the support device and, on the other hand, a tilting movement
of the boot counteracting the axis of the second hinge point.

It should be noted that the safety binding formed by the means of plaguing and holding the shoe
is, yorteilhaftweise movably or immovably mounted on the ski with the result that the puncture of the device also allows skiing.

The invention is explained below with reference to schematic drawings explained in more detail using several exemplary embodiments.

Fig. 1 shows a first embodiment of the in a longitudinal section

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Device according to the invention.

2, 3 and 4 schematically show different solutions to to get three or four degrees of freedom for the movement of the shoe.

Fig. 5 is a side view, partly in section, of a second embodiment of the device according to the invention.

6 and 7 show details on an enlarged scale and illustrate the interaction of the means for Holding the shoe with the support device shown in Figs.

FIGS. 8, 9 and 10 show schematically systems for the safety fastening, which allow both lateral release and forward movement.

11 shows a side view, partially sectioned, of a third embodiment of the new device, in which the means for fixing and the means for holding are separated from one another.

FIG. 12 shows, on an enlarged scale, a horizontal section along the section line XII-XII in FIG. 1 and illustrates the means of fixing the boot.

13 is a plan view according to arrow XIII of FIG. 11 on the means which hold the shoe, the lower half of Fig. 13 is cut horizontally.

FIG. 1h shows a section along the section line UV-XIV in FIG. 13.

Fig. 15 is a fourth embodiment of the invention in

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Side view, partially sectioned while

16, 17, 18 and 19 schematically show various embodiments in which the various positions the fixing means and the means for holding the boot are shown.

In the following description, the same organs are given the same reference numerals. Furthermore, in the following Description made reference to the case in which the boot is temporarily firmly connected to a plate or a Board placed between the sole and the boot. It should be noted, however, that the sole of the boot itself can be designed so that it can be used directly in the device of the invention.

In FIG. 1, 1 denotes a ski and 2 denotes a ski boot which has a sole 3. For example, on skis fastened by means of screws, a contact piece 4 which has a horizontal axis 5 which runs transversely to the ski and on the articulated a plate 6 is arranged, which can be pivoted along the arrow Fl.

At the end of the plate 6 facing away from the hinge axis 5 this is in the form of a fork, which is traversed by an axle 7 which runs parallel to axis 5. The axis 7 carries a lever 8 with a vertical between the arms of the fork Axis 8 ', which around the axis 7 according to the arrow F2

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- 12 is pivotable.

The lever 8 carries a cylindrical head 9 which is mounted so that it is rotatable in an element 10, for example is fastened by means of screws in a recess of the plate 11, which is substantially parallel to the plane of the ski extends.

The plate 11 is attached to the shoe 2 by engaging the front part of the boot in a jaw 12 which is fixed with is connected to the plate and by a rear locking device, which has a system of classic clamps 13, which can be formed, for example, by a bracket, the arms of which with their free end in a hole of a row of holes 14, which is provided in the plate 11. The coat hanger is held locked on the heel of the boot by a lever 15, which is designed, for example, as an eccentric. The clamping system can be designed in a classic form, so that a more detailed description is not required.

The series of holes 1H in the plate allows the plate to be attached to boots of various sizes.

It should be noted that the axis 8 'of the lever 8 is preferably in alignment with the axis XX ¹ of the skier's shin and that the plate 11 can pivot in its plane according to the arrow F3 about the cylindrical head 9 of the lever.

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In the vicinity of the hinge point 5, the plate 6 carries a support 16, on which the front part of the plate 11 can be supported. This support can be provided by a suitable low-friction organ be educated.

The safety fastening provided - for the device, is mounted in a base 17 which can slide in the longitudinal direction in rails 18 which are firmly attached to the ski. Of the Base 17 can be in a front position, which is shown in the figure and which shows the running position, or in a withdrawn position, in which the safety binding is not needed and in which consequently the binding is effective as a hiking binding.

The safety binding includes a first plunger 19 which is slidable is mounted in the base 17. The outer end, which is rounded j cooperates with a vertical inclined surface 20, which generally has a V-shaped profile which is incorporated at the rear end of the web 11. A second pestle 21, which is arranged parallel to the first plunger, has an outer end which presents an inclined surface 22 which in turn cooperates with an edge 23 of the plate 6.

Those ends of the plunger 19 and 21, which are within the base 17, have the shape of two cups 24 and 25, the are opposite one another and into which a pivot member 26 engages, which is biased in the forward direction by a spring 27

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the force of which can be adjusted with the aid of a screw 28. The pivoting or tilting member offers at its lower end a contact point 29, about which it can pivot. Furthermore, it offers two spherical bulges that are designated with 30 and 31 and each to the Position tappets 19 and 21.

It should also be noted that the rear end of the The plate 11 rests on a resilient head 32 mounted on a spring 33 inside the base 17. The puncture of the safety binding is very simple:

When a lateral force is exerted on the boot, it tends to pivot about the head 9 of the lever 8 in a sense which is represented by the arrow P3. The consequence of this is that the flanks of the inclined surface 20 of the plate 11 push the plunger 19 back against the action of the pivot member 26 until the plunger 19 is completely removed from the inclined surface is released. It should be noted that the pivoting movement of the pivot member 26 about the axis 29 amplified one in response Causes the ram 21 to rest against the plate 6, which is kept closed in this way.

In contrast, when the plate 6 begins to pivot vertically about the axis 5 in the event of a fall forward, namely against the action of the plunger 21, it tends to return the plate to its position. Due to the

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acting of the beveled ends of the plunger 21 according to FIG. 7 and the plate 6 is guaranteed to move elastically. Before the ends of the plunger and the plate do not separate, can pivot the plate 11 sufficiently about the axis 5 so that the plunger 19 comes free from the inclined surface 20. When this happens is the relative position of the ends of the plate 6 and the plunger 21 as shown in phantom in FIG .is. In order for this situation to occur, it is necessary that the elastic path D of the plate 6 is greater than the distance 1, which separates the upper edge of the plunger 19 from the lower surface of the plate 11.

Once the plunger 19 has come free from the inclined surface 20 is, the tip of the pivot member 26 is pushed forward by the spring 27. A middle point of the pivot link rests on a shoulder 34 of the base 17, the is below the axis of the spring 27. The consequence of this is that the movement of the pivot member is accentuated and the lower one Head of the pivot member moves the plunger 21 backwards, which thus completely releases the plate 6. This can with it pivot in the direction of arrow Fl.

It is obvious that in the event of a pure twisting fall, the plate 6 is released in the same way by the plunger 21 will.

In the foregoing, the case was considered in which the boot

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is firmly connected to an intermediate plate 11. It is evident, however, that the scope of the invention is not departed from when the sole of the boot is attached directly to the part 10 in which the cylindrical head 9 of the lever 8 engages.

The scheme according to FIG. 2 breaks down the three degrees of freedom obtained by the device according to FIG.

According to this figure one can get a complementary degree of freedom, which consists in the fact that the boot can tilt about its longitudinal axis along the arrow P ^ i. In practice it is sufficient if, for example, a rod is used instead of the plate 6, which is pivotable about the axis 5 and which is surrounded by a bush on which a support member is mounted like that Double joint 7.8 '

Another type of device with four degrees of freedom can also be obtained by replacing the rigid plate 6 with a flexible and deformable plate 35 as shown in FIG. This plate 35 is fastened with its front end on a system J> 6 , for example by means of screws, and has two joints 7, 8 'at its other end F4.

But you can also get another type of device,

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as shown schematically in FIG. In this is the cylindrical head 9 of the lever 8 replaced by a ball joint 37, which allows a displacement of the boot in each Direction around the lever 8 is permitted. In this way you not only get a fourth degree of freedom according to the arrow F4, but at the same time a majority of degrees of freedom, which Represent intermediate values.

In Fig. 5 a modified embodiment of the invention is shown in which such a ball-and-socket joint-like connection 37 is used. In this embodiment, the support device is formed by a rod 38 on the ski is hinged at 5 and the rear end of which carries a horizontal axis 7 as in the embodiment of FIG a lever 8 is pivotable. This lever is formed in one piece with the ball head 37. In the case shown, the front end of the plate 11 by two vertical supports 38 ' which is attached to the ski on both sides of the rod 38 are.

The safety fastening of this embodiment is identical with that of FIG. 1 and therefore does not need to be described in more detail. In FIG. 6, end 23 is rod 38 reproduced, which cooperates with the front end 22 of the plunger of the safety binding.

As far as the security fortification is concerned, one can

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Find out that you can employ any kind of appropriate facility ** which can be divided into two categories:

on the one hand those in which the plague setting means and the means for holding the boot are pretensioned by a common elastic system and

on the other hand, those in which the plague setting and holding means are each independent elastic systems are operable.

This safety fastening according to FIGS. 1 to 5 belongs to the first category. The same applies to the exemplary embodiment according to FIGS. 8 to 10. Thus, FIG. 8 shows a safety fastening which is similar to that already described. The locking means 39 and the means kO for holding the boot form part of a common device which is pretensioned by a single spring k1 , which in turn rests on a fixed part 42 which is firmly connected to the ski 1. The safety fastening according to FIGS. 1, 5 and 8 cooperates with the rear parts of the element of the plate 11 and the support plate 6.

In contrast, FIG. 9 shows an arrangement which fixing means 39 and means for holding 40, which with the front part of the plate 11 and with the front part of the Cooperate support device 6, which latter has a corresponding extension 4la. The security fortress;

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is under the action of a common spring 4l, see a support 4-2 connected to the ski 1. Naturally the safety fastening according to FIG. 9 can be modified in the same way as that according to FIGS. 1 to 5.

Another safety fastening device can be so constructed are, as indicated in dash-dotted line in FIG. 8 is. This is provided between the ends of the plate 6. This safety fastening 43 can be provided by two vertical F1Ü gel parts 44, as shown in FIG. These wing parts are hinged at 45 on the ski and through to each other a spring 46 is biased. The wing parts 44 form a first inclined surface 47 which is intended to be with one edge of the Plate 6 cooperate * Another inclined surface 48 works with a corresponding profile 49 of the Sahieneiemefites.

Various embodiments of the second category of safety fastenings are reproduced in FIGS. 16 to 19. Thus, FIG. 16 shows a means of putting the boot 50 under tension a spring 51 to hold. This device cooperates with a front extension 52 of the plate 6. Furthermore is a locking device 53 for the boot, similar to that shown in Figs. 11 and 12, which cooperates with a part 54 which is fixed to the sole element 11 is connected and biased by a spring 55 which is supported on a fixed toilet of the plate 6.

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17 shows a locking or locking device for the boot, which is similar to the embodiment according to FIG. 16, while the means for holding on are denoted by 50 and cooperate with a rear end 56 of the plate 6.

In Fig. 18 the locking device for the boot is the same as that shown in Figs. 16 and 17, while the retaining means 57 are mounted on the base 58 and interact directly with a sole element 11.

However, as shown in FIG. 19, a holding means 50 can also be used provide similar to that according to FIG. 17, while the fixing device is formed by a finger 59 which is in a recess 60 of the sole element 11 is arranged and biased by a spring 6l so that the finger is in a recess or bore 62 which is incorporated in the support device 6 engages.

The exemplary embodiments shown in FIGS. 11 to 15 show such locking and holding means which are independent of one another are.

From Fig. 11 it can be seen that the support device 6 is formed by a rigid plate, which as in the embodiment 1 to 5 is pivotable about a horizontal axis 5 according to FIGS. The plate has a double at its rear end Joint 7,8 '. The head 9 of the lever 8 lies in one

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Part 63 according to FIG. 12, which ^{is fastened under the sole element or the plate 11 by means of screws 6 1} J, the element 63 having a vertical inclined surface 65 of V-shape which cooperates with a thumb or a finger of a spring 66. This finger can slide in a support device 67 which is mounted on the corner 6 by means of screws 68. The finger 66 is kept in contact with the part 63 by a spring 69, the tension of which can be adjusted with the aid of a screw 70.

The means for holding the boot are indicated generally at 71. These comprise a housing 72 according to FIGS. 13 and 14, which is fastened to the ski 1 by means of screws 73. In a recess 74, which extends longitudinally through the housing, a sleeve or sleeve 75 is mounted through which a screw 76 protrudes. A conical core 77 can be screwed onto this can move in the longitudinal direction when the screw 76 is operated. Of course, the screw 76 is in the longitudinal direction held on the one hand by the screw head and on the other hand by a stop 78 which is at the free end of the Screw is arranged. The housing 72 has, inter alia, two lateral chambers 79 in which plungers 8 (X are arranged. The The bottom of the chambers 79 is perforated to accommodate a slider 81, the inwardly facing surface of which is conical and cooperates with the conical core 77. A spring is located between each plunger 8O and the associated slide 81 82 arranged. It can be seen that when the

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Screw 76 the tension of the spring 82 can be adjusted by a wedge effect.

Each tappet 80 presents a constriction 83 according to FIG. 14 on its lateral surface, the upper surface 8 ¹ I of which is inclined and forms a nose which cooperates with the inclined surface 85 of the upper surface. The plungers 80 serve to interact with a corresponding profile 86 which is incorporated on the sides of an opening 87 which is arranged in the plate 6 in the area of the means for holding the shoe. The lateral edges of the opening 87 provide, inter alia, a hook 88 which allows the lugs 84, 85 to be anchored when the plate 6 is in the position according to FIG.

In this position it is clear that when a force has the tendency to pivot the plate 6 in the direction of the arrow Fl, the plate can rise in the direction of the arrows according to FIG. 14, the plungers 80 being pushed back into the interior of the housing 72 against the action of the associated springs 82.

It should also be noted that this safety attachment allows the boot to be anchored by stepping into the binding thanks to the presence of the bevels 85 on the tappets that mate with the inclined surfaces 86 of the Plate 6 cooperate. The interaction of the lugs 84,85 with the plate 6 continues to provide an elastic displacement of the

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Device safe, as already shown on the basis of the Pig. I explained became.

Finally, FIG. 15 shows a variant embodiment in which the axis 5 for the articulation of the plate is located on the side of the heel of the boot. The fastening systems 67 and J1 are the same as have been described with reference to FIG.

It is clear that with this device, when a vertical release of the safety binding takes place, the boot tends to give way due to the leverage of the plate 6. To enable this displacement to the rear, a front stop 89 can be provided for the sole element, which has a roller body 90 _9, for example a ball or a roller. This rolling element can rotate about a horizontal axis and facilitate the displacement of the boot to the rear.

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Claims (1)

- 2k - Claims Jl.J Device for fastening a ski boot on a ski, which can be locked in a position for securing the boot on the ski and is suitable for ensuring that the boot can be displaced with respect to the ski when it is unlocked, the connection is maintained between the ski and boot, is arranged at a support device between the ski and the element of the boot sole and connected to the ski via a first region such that the support means around this area in a plane perpendicular is adjustable to the ski, while the other extreme area of the support device is free for such an adjustment or movement and in which an articulation point for connecting the support device and the sole element is provided, which enables the boot sole to be pivoted about an axis which is always perpendicular to the boot sole characterized in that the connection between the hinge point and the Stützvor Direction is ensured by a second hinge point, which presents a pivot axis running transversely to the ski, the pivot axes of the two hinge points constantly running perpendicular to each other. 2. Device according to claim 1, characterized in that it comprises, inter alia, an organ which is in Rest position an axis approximately parallel to the longitudinal axis of the ski 209842/0689 has, and around which the boot can optionally tilt (Fig. 2 to 4). 3. Apparatus according to claim 1 or 2, characterized in that the axis (7j8 ^f ) of the second hinge point is in the transverse plane (XX ¹ ) to the ski, which goes through the shin axis of the skier. . Device according to claims 1, 2 and 3 characterized in that the organ is supported by the support device (6) is formed, which a lateral tilting movement of the shoe as well as a vertical movement around that end part of the support device is permitted which is connected (at 5) to the ski (1). 5. Apparatus according to claim 4, characterized in that that the support device (6) is formed by an element that is resilient with the ski on a End connected and is elastically deformable in the longitudinal direction and in the transverse direction (Figure 3). 6. Apparatus according to claim 4, characterized in that that the support device (6) is a rigid element which is hinged to the ski with one end (at 5) and is pivotable about an axis running transversely to the ski, the support device having two at the opposite end Has articulation points (7, 8 '), the axes of which are perpendicular to one another 209842/0689 stand different and with a device of double flexibility is provided around the longitudinal axis of the support device in a plane which contains the two joint axes. 7. Device according to claims 1, 2 and 3, characterized gekennzei chnet that said organ is formed by a ball joint-like element (37) which a lateral tilting movement of the boot (2) and a pivoting movement about an axis (8) that is always perpendicular runs to the shoe sole, this element (37) forming the first joint. 8. Apparatus according to any one of the preceding claims including means for keeping the boot in an axial position fixed on the ski and released laterally as well as with a device that keeps the boot parallel to the ski and vertical triggers, characterized in that the device (19) for laterally plaguing the boot counteracts the free rotational movement of the boot about the axis (8) of the first hinge point, while the device (21) for the vertical fixing of the boot on the one hand a displacement of the support device (6) and on the other hand counteracts a tilting movement of the boot about the axis of the second hinge point. 9. Apparatus according to claim 8, characterized that the side 209842/0689 a draws that the lateral Feststelü / richtungung with the 22T3Q29 Element (11) of the shoe sole cooperates, while the vertical Locking device (21) interacts with the support device (6). 10. Apparatus according to claim 8 and 9, characterized in that the locking and holding devices (19,21) have profiles, which with complementary profiles of the sole element (11) and the support device (6) work together under the action of a common elastic system (26,27). 11. Device according to claim 1, 2, 8, 9 and 10, in which the support device is a rigid plate which is hinged at one end to the ski and at its other end to a sole element (11) of the boot by means of a double hinge point ( 7 _S 8 '), characterized in that the end of the plate (6) with the double hinge point has an inclined surface (23) transversely to the ski, which is connected to an inclined surface (22) at the end of a first horizontal ram (21) cooperates, which is mounted on a fixed base (17) of the ski (1) so that it can slide in the longitudinal direction and that the end of the sole element (11) on the same side as the end of the plate (6) in relation is arranged on the double hinge point (7, 8 '), has a surface (20) inclined in a vertical pitch in V-shape, which cooperates with a second horizontal ram (19) which is in the base (17) of the shoe 209342/0689 is mounted such that it can slide in the longitudinal direction, and that the two plungers at the ends of a tilting element (26) are articulated, which is pivotable under the action of a central spring (27) to the plunger in the locking position to hold the plate (6) and the sole element (11). 12. The device according to claim 11, characterized in that the base (17) has a system (3 * 0, around which the tilting element (26) can tilt when one of the vertical or horizontal locking devices is open in such a way that complete release of the boot is ensured. 13. Apparatus according to claim 8 and 9 »characterized gekennzei'rechner that the locking and holding devices Have profiles that match the complementary profiles of the sole element (11) and the support device (6) cooperate, under the action of separate elastic systems (Fig. 16 to 19). IH. Device according to claims 1, 2, 8, 9 and I3, in which a rigid plate is provided as the supporting device, which is hinged at one end to the ski and at its other end is connected to the sole element of the boot via a double hinge, characterized in that the plate (6) between its ends at an incline: - 209842/0689 has surfaces that cooperate with a device for maintaining the vertical safety release, which is mounted on a platform or a base (71) of the ski and two transversely to the ski in opposite directions Has tappets (80) which extend in directions and are acted upon by springs (82), each of which presents a profile, which cooperates with the inclined surfaces of the plate (6), and that the sole element (11) of the boot near the joint ver- ^ binding (7,8 ') with the plate (6) has a vertical inclined surface (65) with a lateral safety release device (67) cooperates, the one on the plate (6) fixed guide with a locking plunger (66) which is biased towards the V-shaped surface (65) by spring (69). 15. The device according to claim 8, characterized in that the lateral and vertical locking and retaining devices both cooperate with inclined surfaces of the sole element of the boot (FIG. 18). 16. Device according to any one of claims 4 to 15, characterized in that the vertical retaining device is fixed immovably on the ski is such that by pulling back the device the boot can be given free "for skiing." 209842/0689 Blank page