JPS6340583A - Binding for descent ski and boots used along therewith - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates in particular to bindings for downhill skis and short-soled boots related thereto.

(Prior Art and its Problems) As is well known, ski bindings currently consist of a front fastening device and a rear fastening device, both of which cooperate with each other to ensure that the ski bindings are secure when skiing. It allows for small movements along the longitudinal axis of the ski to absorb movement between the boot and the ski.

The tips, which are commonly articulated to allow for the release of the boot from the ski in the event of an accidental fall, further reduce the risk of contact between the boot and the ski due to the stresses placed on the ski as it slides over the snow. Allowing recovery of some misalignment in between, the stress does not exceed the critical release value.

Finally, the rear fastening device must allow movement along an axis substantially perpendicular to the ski in order to dissociate the boot from the ski during the active safety phase when skiing. , and also allows spontaneous release from the skis and resetting of the bindings to comfortably wear the boots.

Evidently, the functions mentioned in -1- are assigned to both the front and rear fastening devices in the known binding, which means that the structure of the binding is complex and
This means that its manufacturing cost will be high and its weight will increase.

Apart from what I mentioned above, the current binding is -
- In general, the structure is not such that the boots can be replaced, since the change in distance between them (moving closer or further away) is very small. Thus, for example, when it is necessary to adapt a binding to a new type of boot, the connection point of the binding on the ski can be shifted and
A new hole must be formed for inserting the binding retaining screw.

The length of the sole of the boot used in these known coupling devices is usually longer than the length of the boot of the same boot, said sole protruding at the front and rear to allow fixation of the boot to the ski. I have to.

The length of the sole of the boot makes walking somewhat difficult and tiring for the skier, as well as forcing the skier into an unnatural hunched position when standing. This position increases fatigue, especially for skiers waiting to use the ski lift.

The aim of the invention is to combine the various functions currently given to downhill bindings by front and rear fastenings into a device for securing boots to skis. A ski binding for downhill skiing that enables
An object of the present invention is to solve the related drawbacks 1-- by providing boots with short soles.

Within this aim, an important object of the invention is to provide a ski binding for downhill skiing that has a very simple and compact construction and can be manufactured economically.

Another object of the invention is to devise a ski binding for downhill skiing which is extremely light and which facilitates control of the ski to which it is attached.

Another object of the invention is to provide a ski binding for downhill skiing, and a related short-soled boot, which allows interchangeability between the boot and the binding, regardless of the size of the boot.

Yet another object of the present invention is to provide a short-soled boot that facilitates the skier's walking and prevents the skier from becoming fatigued when at rest and when walking without skis. be.

(Means for Solving the Problems) The above-mentioned problems, goals, and objectives, and other objectives are addressed.One object is to provide a front connecting member for a boot and a rear device for removably fixing the boot. This is achieved by a ski binding for downhill skis, consisting of a ski binding for downhill skiing, characterized in that said fixing device moves in translation along the longitudinal axis of said ski by and in contrast to the action of a first elastic means. Due to the action of the sliding member and the second elastic means,
In contrast to its operation, it consists of a rotating member swinging about an axis substantially perpendicular to said base plate, said sliding member and said rotating member acting simultaneously and independently of each other.

Other features and advantages of the invention include a ski binding for downhill skiing according to the invention, illustrated non-limitingly in the accompanying drawings;
It will become clear from the following description of preferred non-exclusive embodiments with short-soled boots in this regard.

(Examples and effects) The present invention will be described in more detail below in conjunction with the accompanying drawings.

The ski binding 1 for downhill skiing according to the invention has a base plate 2 attached to the ski 3, which plate has a member for connecting the tip of the boot to its front end opposite the tip of the ski. 4 and, at the rear, a fixing device 5 for removably fixing the boot to the ski.

The fixation device 5 combines all the various functions that are assigned to its tip and heel parts in currently known bindings.

More specifically, the fixing device 5 has a sliding member 6 which is moved in translation along the longitudinal axis of the ski 3 by and against the action of a first elastic means or spring 7 .

The fixation device 5 further includes a 21711th biasing means, i.e. 2
By virtue of the action of two springs 9, it has a rotating member 8 which pivots about an axis substantially perpendicular to the base plate 2, relative to which action. Said spring has reference numeral 9
a, 9b.

The sliding member 6 and the rotating member 8 act on the boot independently of each other or simultaneously, allowing the rear fixation device alone to absorb small movements along the longitudinal axis of the ski relative to the boot. The rotation also allows recovery of the ski position after applying a stress that shifts the boot relative to the ski, but such stress does not exceed the critical release value.

Finally, the locking device allows for the release of the boot in an active safety phase during skiing along an axis perpendicular to the ski, and also allows for the voluntary release of the ski from the boot. , and resetting the bindings to make the boots more comfortable to wear.

The sliding member 6 consists of two U poles) 10a and 10b,
The bolts are fixed at a distance to the plate 2'' and against it by the action of the spring 7, the plate 1'' is fixed.
A slider 11 parallel to the base plate 2 is allowed to slide under the same bolt and above the plate 2, one end of which is attached to an abutment 12 rigidly attached to the base plate 2. , the other end is attached to the end 13 of the slider.

The spring 7 is adjusted to the skier's physical characteristics and skiing abilities and is attached to the end 13 of the slider.
It can be conveniently set by the screw 14 which can be attached to the holder.

In particular, the rotating member 8 consists of a bracket 15 from which extends, in the part opposite the guide 11, a pivot 16 rotatably connected thereto, so that the bracket swings about the axis of said pivot. or at the same time, it is possible to move together with the slider 11.

On the side opposite the pivot 16 of the bracket, two shoulders 17a, 17b extend vertically and are parallel to each other and spaced apart and partially extend the jaw member 18 for fixing the boot to the ski. It is possible to place it between

The jaw member 18 is pivotally mounted in two holes respectively provided in the two shoulders 17a, 17b, so that the jaw member 18 is partly moved by and against the action of the two springs 9 into said mutual relation. The springs can be rotated in coaxial holes, and in this way the springs cooperate with each other to maintain the jaw members in a stable position and further control the grip force of the boot, thus preventing vertical dissociation of the boot from the ski. control.

The base plate 2 can swing in planes parallel to each other.
Since we have used two springs 9 substantially perpendicular to the longitudinal axis of the ski and parallel to the longitudinal axis of the ski, there is also a rotation of the jaw members allowing elastic recovery or final lateral release of the ski position, as described above. is possible.

Each end of the spring 9 has a spherical head 20a.
, 20b are provided, which are -
- On one side, it is movably held by an end wall 21 extending perpendicularly from the base plate, and on the other side, two It is slidably retained within an inclined seat 22.

The tilted sheet 22 is attached to the jaw member 1 of 15J-
The spherical head member 20 for pivoting the jaw member to the release position extends on opposite sides of the seat 2 with respect to the pivot axis of the seat 2.
2, it slides below the pivot point of the jaw member to approach the guide 11, changing the travel limit of the rotation of the jaw member and at the same time securing the position of the jaw member.

Similarly, when the boot is inserted and the jaw member is in the fixed position, the spherical head member is located at J- of the pivot point of the jaw member to the bracket, and is therefore away from the guide 11 and away from the ski. Provides the necessary thrust for boot engagement.

The end wall 21 has a screw 23 acting on the plate 24;
This plate is adapted to change the set state of the two springs 9 in accordance with the anti-release force that is desired to be applied to the binding in accordance with the skier's weight and the skier's skiing style. .

The locking jaw member 18 furthermore has, on the side opposite the plate 2, a locking jaw member 18 that moves the boot from a passive position to an active position when pushed towards the ski after the boot has been engaged with the coupling member 4 by the user. It is provided with a first protrusion 25 that allows rocking.

The fixed jaw member further comprises a second projection 26 on the opposite side from the first projection 25, which projection is located in an area of the boot remote from the base plate and located above the bracket 15. so that the point of engagement between the boot and the binding is advantageously spaced from the sole of the boot;
Allows for more effective power transfer from the boot to the ski.

In other embodiments, which are not shown in particular detail, the front coupling member 4 may be provided with rocking, for example, by or against the action of an elastic member 28, to ensure safety of front dissociation in the event of an accidental fall. A user accessible member 27 may be provided.

The sole of the boot 29 has a recess 30 that engages with the connecting member 4.
is provided, which is always located equidistant from the rear end of the sole of the boot, regardless of the type of boot, thus ensuring interchangeability between boot and binding.

Additionally, the short sole improves the skier's stride length, making walking easier. The tips 31 of the soles of the boots reduce the forward inclination angle of the boots resting on the ground, making it easier for the skier to stand by or walk without wearing skis.
It must also be stated that the sole is placed in a plane "parallel to, but offset from, the plane defined by the rest of the sole, in order to reduce fatigue." .

The function of ski bindings for downhill skiing and associated short-soled boots is clear from the description and drawings below. In particular, with reference to FIGS. 2, 4 and 5, two springs 9 cooperate to
It can be seen that 8 is maintained in a stable released position. When the boot is inserted into the front connecting member 4 through the recess provided in the sole of the boot, by pressing with the heel of the boot, rotation is imparted to the jaw member 18 by the protrusion 25, causing the spherical head member to tilt. It slides along the seat 22 and provides the necessary thrust for engagement of the boot and ski.

10-12 illustrate a rear device 105 for removable fastening, which is another embodiment of the invention.

Device 105 has a base fist plate 124 that is rigidly attached to ski 103 and slidably supports slider 121 in a known manner. The slider 121 is a slider movable along a direction parallel to the longitudinal axis of the ski, at its front end it connects to the front positioning member 124 of the base plate.
The spring 126 is supported by the rear positioning member 124b and acts on the rear part of the spring 126 to resist the translational movement thereof. The force opposed by spring 126 is adjustable by screw 127 in the manner described above.

An assembly 122 is pivotally attached to the slider 121 by a pivot 120 and is swingable along a horizontal axis transverse to the longitudinal axis of the ski.

Jaw member 128 is rotatably attached to assembly 122 by a substantially vertical pivot 129. Jaw member 12
8 grasps the boot 29 in a manner substantially similar to that described above.

Assembly 122 further includes rotation of jaw member 128 and rotation of pivot 1 .
At least two elastic members are provided to independently resist rocking of the assembly 122 with respect to 20. These two elastic members consist of a first spring 132 and a second spring 131 that are arranged parallel to each other along a vertical plane. The axes of the cylindrical springs 131, 132 are approximately parallel to the longitudinal axis of the ski.

The first spring 132 acts on the jaw member 128 in the following manner. That is, the spring 132 is connected to the assembly 122
tabs 133a, 133b.
It has a front end that abuts an opposing member 133 which acts on the jaw member 128.

The rear end of the spring 132 abuts a threaded cap 136 which is rigidly attached to the assembly 122 such that the jaw members 128 act on the tabs 133a, 133b by rotation in either direction to release the opposing members. 133 in the longitudinal direction, and this movement of the member 133 is counteracted by the spring.

Therefore, by operating the threaded cap 136, the spring 1 counteracts the rotation of the jaw member 128.
32 forces can be adjusted.

On the other hand, the second spring 131 is used to resist rocking of the assembly 122 and thus of the jaw member 128 in the vertical direction.

The rear end of the spring 131 is firmly attached to the assembly 122.
It abuts a rounded threaded cap 137, the front end of which abuts a cam 130 which is slidable within the set 122 in a direction substantially parallel to the longitudinal axis of the ski.

The outer surface of the cam 130 is convex and cooperates with the concave sheet 121a provided on the slider 121, so that when the assembly 122 rotates counterclockwise, that is, when the jaw member 128 moves upward, the cam 130 Although it is translated rearward, the spring 131 counteracts this movement. In this way, the spring 131 is attached to the screw-inside cap 137.
By adjusting the action of , the force required to release the rear linkage 105 vertically in the event of an accidental fall is adjusted.

In order to intentionally release the binding, the lever 12
3 is pivotally connected to the slider 121 by a pivot 134 and coupled to the assembly 122 by a pivot 135. When the grip member 123a is pushed downward, the lever rotates counterclockwise and the pivot 135 and assembly 122 are rotated.
``Have it.''

To reconnect the boot, after the front has been engaged, the heel of the boot can be pressed against the tab 138 that is firmly connected to the assembly 122.

13-17 show a rear coupling device 205 which is yet another embodiment of the present invention. Device 205 has a base plate 204 that is secured to ski 203 in a known manner to slidably support slider 201.

Base plate 204 includes a front positioning member 204a that acts as a front abutment for slider 201 and a rear positioning member 204b that supports a spring 226 to resist rearward translation of the slider. The force exerted by the spring 226 can be adjusted by the screw 227 in the manner described below. In order to facilitate sliding of the slider 201, an anti-friction member 225 is interposed between the slider 201 and the plate 204.

The front part of the slider 201 is provided with a support 218 for the jaw member 208, which is connected to the rear part of the boot.

The jaw member 208 is connected to the support 218 by a spherical joint 209, which allows the jaw member 208 to pivot about a perpendicular axis (relative to the longitudinal axis of the ski) and a transverse axis.

The jaw member 208 is connected to the slider 201 at the rear of the jaw member 208.
The boot is maintained in its normally connected position by a removable securing member consisting of a box 202 rigidly attached to the boot.

The box-like body 202 is hollow, and its front and rear ends are open, and each has a cylinder 21 that is slidable in the axial direction.
2 and a threaded cap 213. A helical spring 211 is provided in the box-like body 202, a first end of which abuts on the inside of a threaded inner cap 213, and a second end abuts against a base 212a of the cylinder 212.

The cylinder 212 is coupled to a fixing member 210 comprising a cylindrical shaft portion 215 located inside the box-like body 202 and a head 216 having a semi-cylindrical portion located outside the box-like body. More specifically, the shaft 215 is inserted into a central hole provided in the base 212a of the cylinder 212, while the head if! 216 is the base 21
2a, and at the same time engages with a seat 217 provided on the jaw member 208 and having a semi-cylindrical shape corresponding to the shape of the head 216.

In this way, rotation of the jaw member 208 about the vertical and transverse axes is opposed by the action of the fixing member 217, which is pressed against the seat 217 by the force of the spring 211. The force of the spring 211 is applied to the screw cap 2.
13, the cap is provided with a slit 228 for this purpose into which a tool such as a screwdriver can be engaged.

To release the boot on command from the user, a reset lever 230 is pivotally mounted on the slider 201 and acts on the jaw member 208 to pivot it about a transverse axis and to rotate the locking member 210. Remove the head 216 from the seat 217.

More specifically, the slider 201 includes two side flaps 231 arranged on the box-like body 202. The lever 230 is attached to the side flap 23 by a pivot 232.
1 and includes a front tab 233 that accompanies the rear region of the jaw member 208.

Rotating the lever 230 in a counterclockwise direction in FIG. 216 is separated from the sheet 217.

Once this rotation is complete, the head 216 moves into the recess 229 provided in the portion of the jaw member 208 adjacent to the seat 217.
, so that the jaw member assumes a stable release or reset position.

When the binding is in the open position, i.e. the jaw member 20
To connect the boot to the binding when the 8 is in the reset position, after connecting the front of the boot to the front connecting member, press the flap 234 of the jaw member with the heel of the boot to bring it into the connected position. Just return it.

A ski stop 235 is connectable to base plate 204 and pivots thereto in front of jaw member 208.

In fact, the ski binding of the present invention is particularly advantageous because it allows the functions provided by the tip and heel members in currently known ski bindings to be concentrated solely in the rear anchoring device.

The ski boot associated with this ski binding not only facilitates the skier's walking, but also provides interchangeability between the boot and the binding.

The invention as described above is capable of numerous modifications and variations, all of which are within the scope of the inventive concept. Furthermore, all details can be replaced by other technically equivalent elements.

In practice, the materials and dimensions used can be adapted according to the state of the art, if necessary.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of the ski binding of the present invention. FIG. 2 is a schematic diagram illustrating the method of securing a boot to a ski binding according to the invention. FIG. 3 shows another embodiment of the ski boot and ski binding of the invention. 4 and 5 are side sectional views showing the opening and closing stages of the ski binding of the present invention. FIG. 6 is a sectional view taken along the section line VI-Vl in FIG. 4. 7 is a partial plan view of the binding of FIG. 4; FIG. 8 is a plan view of the base of the binding of FIG. 4; FIG. FIG. 9 is a diagram showing another embodiment of the front fastening device of the present invention. FIG. 10 is a cutaway side view of a rear device in a boot coupling position for securing a binding according to another embodiment of the invention; FIG. 11 is a view similar to FIG. 10 showing the binding in a disengaged position. FIG. 12 is a partially cutaway plan view of the device of FIG. 10. FIG. 13 is a cutaway side view of a rear device for securing a binding according to yet another embodiment of the invention. FIG. 14 is a plan view of the binding of FIG. 13. FIG. 15 is a perspective view of the fixing member of the binding of FIG. 13. Figure $16 is a schematic side view of the rear device of Figure 13 in the boot coupling position. FIG. 17 is a view similar to FIG. 16 showing the device in the dissection position. Explanation of symbols 1...Ski binding 2...Base plate 3...Ski 4...Connecting member 5...Fixing device 6...Sliding member
8... Rotating members 9a, 9b... Spring

Claims (27)

[Claims] (1) A downhill ski binding comprising a front member for fastening a boot and a rear device for removably fixing the boot, the fixing device comprising a base plate and a rear member for removably fixing the boot. a sliding member for translational movement of the device along the longitudinal axis of the ski by the action of one elastic means, and a sliding member for translational movement of the device along the longitudinal axis of the ski; a rotating member for swinging the device about an axis substantially perpendicular to the plate, said sliding member and said rotating member acting independently and simultaneously of each other. (2) the sliding member comprises at least two U-bolts rigidly connected to the base plate and a slider slidably retained on the base plate by the at least two U-bolts; , the slider rotatably supports the rotating member.
Ski bindings as described in section. (3) The rotating member comprises a bracket, the bracket having a pivot rotatably coupled to the bracket on the side facing the slider and a jaw member for fixing the boot on the opposite side. 3. A ski binding according to claim 2, further comprising two shoulders that are swingably supported around a pivot. 4. A ski binding according to claim 3, wherein said second elastic means maintains said fixed jaw member in equilibrium about said vertical axis. (5) the second elastic biasing means comprises at least two springs each swingable along a plane parallel to each other and substantially perpendicular to the base plate; The two springs have axes parallel to the longitudinal axis of the ski.
Ski bindings as described in section. (6) said two springs are provided with a spherical head member at each end, said member being movably held on one side by an end wall of said base plate;
6. A ski binding according to claim 5, wherein the ski binding is slidably held on opposite sides by two inclined seats on the jaw member that are mirror-like relative to the spherical head member. (7) The fixing jaw member is provided with a first protrusion on the side facing the base plate for its swinging from a passive position to an active position for fixing the boot. The ski binding according to item 3 of the scope. (8) the fixed jaw member includes a second protrusion on an opposite side of the first protrusion, the second protrusion being located at a distal end of the bracket spaced from the base plate; 8. A ski binding according to claim 7, adapted to engage an area of the boot located along a plane located above the plane of the ski binding. (9) an assembly pivotally mounted to the slider along an axis substantially transverse to the longitudinal axis of the ski, the assembly having the second resilient biasing means and providing a fixed position for the boot; 2. A ski binding according to claim 1, wherein the slider is slidably attached to the base plate and movable in a direction parallel to the longitudinal axis of the ski. . (10) The assembly includes a jaw member that engages and secures the boot, and the jaw member further moves from a position of connecting the boots to a position of disengaging the boots, and vice versa. 10. The ski binding according to claim 9, wherein the ski binding is rotatable about a pivot with respect to the assembly. (11) the jaw member is maintained in the coupled position by a first spring cooperating with an antagonistic member slidable within the assembly, and the jaw member is maintained in the coupled position by a first spring cooperating with an antagonistic member slidable within the assembly; 11. The ski binding according to claim 10, wherein the force of the first spring is opposed to the force of the first spring. (12) The force of the first spring is adjustable by a hollow screw that can be screwed into the assembly and engages one end of the first spring. ski binding. (13) The assembly includes a cam that is slidable and engages with a recess provided in the slider to maintain the assembly at the fixed position, and the cam is configured to be connected to a second spring. 10. A ski binding according to claim 9, wherein the ski binding is symmetrically slidable and is disengaged from the recess to move the assembly into the disengaged position. (14) The force of the second spring is adjustable by a hollow screw that can be screwed into the assembly and engages an end of the second spring.
Ski bindings as described in section. (15) being pivotally connected to the slider and acting on the string;
14. The ski binding according to claim 13, further comprising an operating lever for moving the ski binding from the fixed position to the unlocked position. (16) A slider that is slidably attached to the plate and supports a member for connecting and disconnecting the boots and a member for removably fixing the connecting and disconnecting members. 2. The ski binding according to claim 1, wherein the connecting and disconnecting member has a position where it is connected to the boot and a position where it is disconnected. (17) The connecting and disengaging member comprises a jaw member connected to the slider by a spherical joint, and the jaw member is adapted to engage the boot. 17. Ski binding according to item 16. (18) The removable fixing member is a box-shaped body that is firmly connected to the slider and slidably supports the fixing member that acts on the coupling and disassembly member, and the elastic member further includes the elastic member. Claim 1: Provided in a box-like body for applying an adjustable action to the fixing member.
The ski binding described in item 6. (19) The elastic member is a cylindrical spring, a first end of which is coupled to a threaded cap that can be screwed onto the box-shaped body, and a second end of which is coupled to a threaded cap that can be screwed onto the box-shaped body. Claim 18: coupled to a cylinder slidable therein for acting on the fixing member, the threaded cap being rotatable from the outside to adjust the action of the elastic member on the fixing member. Ski bindings as described in section. (20) The ski binding according to claim 18, wherein the fixing member includes a semi-cylindrical member that acts on a seat provided on the side of the jaw member facing the box-shaped body. (21) The ski binding according to claim 9 or 16, wherein the slider is slidably attached to the base plate via an anti-friction member. (22) The first elastic means comprises a spring having a first end coupled to a positioning member rigidly connected to the base plate and a second end coupled to the slider. Claims 2 and 9
The ski binding according to item 1 or item 16. (23) The ski binding according to claim 22, wherein the spring is adjustable by a screw that engages the first end of the spring along with the positioning member. (24) Due to the action of the elastic member, the front connecting member
The ski binding according to claim 1, further comprising a member that swings in response to the action. (25) A combination of a downhill ski binding and a short-soled boot, the ski binding comprising a front member for connecting the boots and a rear device for removably fixing the boots. said locking device comprises a base plate, a sliding member for translational movement of said device along the longitudinal axis of said ski by and against the action of a first elastic means, and a second elastic means. a rotating member for swinging said device about an axis substantially perpendicular to said base plate by and against the action of said sliding member and said rotating member; A combination of a binding for downhill skiing and a ski boot, characterized in that the boots are provided with a sole having a recess that engages the front binding member. (26) The combination according to claim 25, wherein the recess is always located at an equal distance from the rear end of the sole regardless of the size of the boot. (27) Claim 25, wherein the tip of the sole is located on a plane that is parallel to, but separate from, a plane defined by other parts of the sole. Boots as described in section.