JP2003230654A - Binding - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a binding which enables the height of a lifter to be high, is easy to adjust the position of its toe and heel pieces forward and backward, can be prepared at a low cost and can be lighten further. <P>SOLUTION: This binding has the toe piece 2 to hold a protruding part fixed on the toe of a ski shoe 99, a heel piece 4 to hold a protruding part fixed on the heel of the ski shoe 99, and a lifter 6 which is formed by extruding a metal piece, holds the toe piece 2 and the heel piece 4, is fixed on a ski 98 by locating it between the toe and heel pieces 2 and 4, and the ski 98, and has ribs 6e formed integrally continuing in the longitudinal direction of the ski 98. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a binding for fastening a ski shoe to a ski, particularly a binding attached to a ski such as a short ski.

[0002]

2. Description of the Related Art Skis, especially short skis such as ski keyboards, which have recently become widely used,
It is said that increasing the height from the skiing surface to the bottom of the skier's feet facilitates edging operation when skiing, and in order to make the height higher, a lifter such as a plate is placed between the ski and the binding. Various measures have been taken, such as the provision of skis and thickening the bottom of ski shoes.

A binding B shown in FIG. 8 is known as a conventional binding having a lifter. FIG. 8 is an assembly diagram of a conventional binding B and a ski 98. The binding B includes a toe piece 60 that holds a protrusion provided on a toe of a ski shoe and a heel piece 62 that holds a protrusion provided on a heel of the ski shoe.
And a lifter 68 made of a light metal such as aluminum or an aluminum alloy and arranged between the toe piece 60 and the heel piece 62 and the ski 98, and arranged between the lifter 68 and the ski 98. And a cushioning member 72 made of resin.

The toe piece 60 has a bolt 64 which penetrates a through hole 60b and a through hole 68d formed in the lifter 68.
The nut 64b is screwed into the tip of the a, and the lifter 68
Attached to. On the contact surfaces of the lifter 68 and the toe piece 60, tooth portions 68b and 60a that mesh with each other are formed, and a through hole 68d is formed to extend along the front-rear direction of the ski 98. The 60 can be locked at an arbitrary position along the through hole 68d. The heel piece 62 includes a through hole 62b and a lifter 68.
A nut 66b is screwed to the tip of a bolt 66a which penetrates the through hole 68e formed in the above, and is attached to the lifter 68. On the contact surfaces of the lifter 68 and the heel piece 62, tooth portions 68c and 62a that mesh with each other are formed, and the through hole 68e is formed so as to extend along the front-rear direction of the ski 98, and the heel piece 62 is It can be locked at any position along the through hole 68e. The buffer member 72 is formed with a hole (not shown) for accommodating the nut 64b and the nut 66b.
6b is stored in the hole.

The lifter 68 and the cushioning member 72 are provided with screw holes 68a, 68a, ... Which are arranged on the vertices of a square of 40 mm square for attaching the lifter 68 to the ski 98 by screws. . Lifter 68
Are screws 70, 7 penetrating the screw holes 68a, 68a.
It is screwed and attached to the ski 98 by 0 ...

According to this binding B, the lifter 6
By providing 8, the height from the skiing surface of the ski 98 to the sole of the skier can be increased. further,
By loosening the bolts 64a and 66a to release the meshing between the toe piece 60 and the heel piece 62 and the lifter 68, the toe piece 60 with respect to the ski 98 is released.
The front and rear positions of the heel piece 62 can be adjusted, and the front and rear positions of the ski shoe 98 and the ski shoe 98 can be adjusted according to the size of the ski shoe. Also, the method of attaching the binding to the ski by means of screw holes arranged on the apexes of a 40 mm square is called 4 × 4 (four by four), and the screw holes that are widely used for snowboarding and short skiing are arranged. By adopting this screw hole arrangement, the ski 98 can be easily replaced with bindings of various manufacturers without opening many holes in the ski 98.
There is an advantage that it becomes easy to replace the binding B with another ski having a screw hole corresponding to 4 × 4 (four by four).

However, this binding B has the following problems. Recently, there is an increasing demand to further increase the height from the skiing surface of the ski 98 to the sole of the skier. In order to meet the demand, it is necessary to make the lifter 68 thicker. However, if the lifter 68 made of a metal such as aluminum or an aluminum alloy is made thick as required, there is a problem in that the weight becomes too large to be practically used for sliding. Also, the toe piece 60 and the heel piece 62
The adjustment of the front-rear position requires a work such as loosening or tightening the bolts 64a and 66a, which is troublesome. In addition, the lifter 68 is formed by carving metal to form an outer shape, teeth 68b, 68c, through holes 68d, 68.
Since e and the like are formed, there is a problem that the processing cost is high and the manufacturing cost is high.

FIG. 9 shows an example of a conventional binding that solves the problems that the height cannot be increased and the problem that the adjustment of the front and rear positions of the toe piece 60 and the heel piece 62 is troublesome among the above problems. . FIG. 9 is an assembly diagram of a conventional binding C and a ski 98. The binding C is made of iron and a toe piece 80 that holds a protrusion provided on the toe of the ski shoe. The toe piece 80 is attached to the toe piece 80 from the mounting surface side of the toe piece 80.
8, a rail member 84 having a two-piece guide rail 84a movably held back and forth, and a heel piece 82 holding a protrusion provided on the heel of the ski shoe.
And a rail member 86 made of iron and formed with a heel piece guide rail 86a for movably holding the heel piece 82 forward and backward with respect to the ski 98 from the mounting surface side of the heel piece 82, and made of resin. , Rail member 8
4 and a lifter 92 arranged between the rail member 86 and the ski 98.

The two-piece guide rail 84a is formed by curving opposite edges of a plate-shaped rail member 84,
A ridge 80a formed on the lower side of the toe piece 80 is fitted therein, and holds the toe piece 80 movably back and forth with respect to the ski 98. Similarly to the two-piece guide rail 84a, the heel-piece guide rail 86a is also formed by curving opposite edges of the plate-shaped rail member 86, and the ridge 82 formed on the lower side of the heel-piece 82.
a is fitted and holds the heel piece 82 movably back and forth with respect to the ski 98.

The rail member 84 is formed with an opening 84b having teeth on the edge of the ski 98 along the front-rear direction, and the toe piece 80 is opened by operating the lever 81a up and down. A stopper 81 having a protrusion (not shown) that can be inserted and removed is provided in the portion 84b. When the convex portion of the stopper 81 is inserted into the opening 84b, the stopper 81 engages with the tooth portion to lock the toe piece 80 at an arbitrary position along the toe piece guide rail 84a. When the convex portion of the stopper 81 is not inserted into the opening 84b, the two piece 80
Can be moved along the two-piece guide rail 84a. The rail member 86 is formed with an opening 86b having teeth at the edge of the ski 98 along the front-rear direction,
The heel piece 82 has a protrusion (not shown) that can be inserted into and removed from the opening 86b by operating the lever 83a up and down.
A stopper 83 having a groove is formed. When the convex portion of the stopper 83 is inserted into the opening portion 86b, the stopper 83 meshes with the tooth portion to lock the heel piece 82 at an arbitrary position along the heel piece guide rail 86a. When the convex portion of the stopper 83 is not inserted into the opening portion 86b, the heel piece 82 can move along the heel piece guide rail 86a.

The rail members 84 and 86 have screws 8 respectively.
It is screwed to the lifter 92 at 8 and 90. As a result, the toe piece 80 and the heel piece 82 are attached to the lifter 92 via the rail members 84 and 86.

In the lifter 92, screw holes 92a, 92a, ... Are provided on the apexes of a 40 mm square for attaching the lifter 92 to the ski 98 by screws.
Are formed (four-by-four screw hole). The lifter 92 is screwed and attached to the ski 98 by screws 94, 94, ... Penetrating the screw holes 92a, 92a. The lifter 92 is made of resin, and is weak in strength only by fixing four screws in the screw holes 92a, 92a.
Screws 96, 9 which are attached to the ski 98 through the
6 is also configured to be supported by the ski 98.

Since the lifter 92 is made of resin, the binding C can be made lighter and thicker than the binding B. From the skiing surface of the ski 98 to the sole of the skier. It is possible to increase the height of the. Further, adjustment of the front and rear positions of the toe piece 60 and the heel piece 62 is performed by using the lever 80a.
It can be easily performed by operating the lever 82a up and down. As described above, according to the binding C, among the problems of the binding B, the problem that the height cannot be made higher and the problem that the adjustment of the front and rear positions of the toe piece and the heel piece is troublesome can be solved.

[0014]

However, the above binding C has the following problems. First, it is necessary to mold the resin according to the shape of the lifter 92,
Molding cost of resin is required. Further, the rail members 84, 86
Like the binding B, it is necessary to screw the lifter 92 to the lifter 92 and the assembly cost is high.
There is a problem that the manufacturing cost is still high.

In addition, the binding is generally required to be lighter in weight in order to improve the operability during sliding. Although the binding C can be made thicker than the binding B with the same weight, the lifter 92 must use a resin having a large specific gravity in order to increase the strength. In addition, it is difficult to use a light metal such as aluminum for the rail members 84 and 86 due to cost problems, and it is unavoidable to use a heavy metal such as iron, which makes it difficult to reduce the weight.

Further, since the lifter 92 is made of resin, it is difficult to put it into practical use in terms of strength only by screw-fastening with screws arranged on the vertices of a 40 mm square, and further 2
It is fastened with two screws 96, 96. However, this is different from the mounting method of 4 × 4 (four by four) widely used for snowboarding and short skiing, so that the binding C is mounted on a ski having screw holes formed based on 4 × 4 (four by four). In order to do so, there is the problem that new screw holes for the screws 96, 96 must be formed in the ski.

The present invention has been made to solve the above problems, and an object thereof is that the height of the lifter can be configured to be high, the front and rear positions of the toe piece and the heel piece can be easily adjusted, and the cost can be further reduced. It provides a binding that can be manufactured with less cost, can be further reduced in weight, and can be attached to the ski by only screwing with screws (four-by-four screwing) arranged on the vertices of a 40 mm square. Especially.

[0018]

In order to solve the above-mentioned problems, a binding according to the present invention has the following structure. That is, a binding attached to a ski for holding a ski boot having protrusions on the toe and the heel to the ski, and a toe that holds the protrusion provided on the toe of the ski. A piece, a heel piece that holds a protrusion provided on the heel of a ski boot, and a toe piece formed by extruding metal, the toe piece and the heel piece being attached, and the toe piece and the heel piece. And a lifter which is arranged between the ski and the ski, and which is integrally formed with ribs in the front-rear direction of the ski. According to this, since the lifter is formed by extrusion of metal, the lifter can be inexpensive and can have high strength. Further, by forming the ribs on the lifter, it is possible to obtain sufficient strength even if the binding is made lighter.

A toe piece guide rail for holding the toe piece movably back and forth with respect to the ski is formed on the attachment surface of the toe piece and the heel piece of the lifter by extruding integrally with the lifter body. And a toe piece locking means capable of locking the toe piece at any position along the toe piece guide rail. Further, in the two-piece locking means, the lifter is provided with an opening or a recess provided with a tooth portion at an edge of the ski along the front-rear direction, and the opening or the recess can be inserted into and removed from the lifter. A stopper attached to the two-piece engages with the tooth portion to lock the two-piece when the stopper is inserted into the opening or the recess. Further, a heel piece guide rail that holds the heel piece movably back and forth with respect to the ski is formed on the attachment surface of the heel piece and the heel piece of the lifter by extruding integrally with the lifter body. And a heel piece locking means capable of locking the heel piece at any position along the heel piece guide rail. Further, in the heel piece locking means, the lifter is formed with an opening or a recess provided with a tooth portion at an edge portion along the front-rear direction of the ski, and the heel or the recess can be inserted into or removed from the opening or the recess. A stopper attached to the heel piece engages with the tooth portion to lock the heel piece when the stopper is inserted into the opening or the recess. This makes it easy to adjust the front and rear position of the toe piece and heel piece, and adjust the front and rear position of the toe piece and heel piece to match the size of the ski shoe, or change the front and rear position of the ski shoe to the ski. It will be easy. Further, by forming the two-piece guide rail and the heel-piece guide rail integrally with the lifter by extrusion, it is possible to reduce the weight of the lifter and maintain its strength.

A plurality of ribs are formed on the lifter. According to this, due to the plurality of ribs,
The strength of the lifter can be increased.

The lifter is formed by extruding aluminum or aluminum alloy. According to this, a lifter having both strength and lightness can be obtained.

Further, the lifter is formed with screw holes arranged on the apexes of a square for screwing the lifter to a ski and attaching the ski. According to this
4x4 (four by four), which is a widely used mounting method for snowboards and short skis, will be adopted. It is possible to mount another binding on the ski with this binding or use this binding on another ski. It is easy to change the combination of the binding and the ski, such as transferring.

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the binding according to the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is an assembly diagram of a binding A according to the present invention. The binding A includes a toe piece 2 that holds a protrusion provided on a toe of a ski shoe, a heel piece 4 that holds a protrusion provided on a heel of the ski shoe,
Formed by extruding aluminum alloy metal,
The toe piece 2 and the heel piece 4 are attached, and the toe piece 2 and the heel piece 4 and the ski 9 are attached.
8 is provided between the lifter 6 and the ski 98, and a cushioning member 8 made of rubber or resin is provided between the lifter 6 and the ski 98.

As shown in FIG. 1, the toe piece 2 is provided with a base 2a for supporting the bottom of the ski shoe on the toe side. In addition, the ski 9 is formed in a U shape and has both ends at the base 2a.
8, a support member 2b rotatably supported on the left and right side surfaces, respectively, and a support member 2b which is rotatably supported by the support member 2b in the middle of the support member 2b. And a lever 2c for pressing and holding the upper portion of the protruding portion of the toe portion of the ski shoe.

The heel piece 4 has a base portion 4a for supporting the heel-side bottom of the ski shoe. Further, it is formed in a U shape and is formed in an L shape when viewed from the side surface of the U shape, and both ends thereof are rotatably supported on the left and right side surfaces with respect to the ski 98 of the base 4a. The support rod 4b is provided. The protruding portion of the heel portion of the ski shoe is hooked on the support rod 4b and held.

FIG. 7 shows a state in which the ski shoe 99 having protrusions on the toes and the heel is held by the toe piece 2 and the heel piece 4. Ski shoes 99 and skis 9
When you fasten it to 8, the heel part should first be the base part 4 of the heel piece 4.
Place it on a and insert the protruding part of the heel part between the base part 4a and the support rod 4b. Then, the toe part is the base part 2a of the two piece 2.
The ski shoe 99 is placed on the top of the toe piece 2 by putting the one end of the lever 2c against the upper part of the projection of the toe of the ski shoe and pulling the other end of the lever 2c upward.
It is sandwiched and fixed between the heel piece 4 and the heel piece 4.

The aluminum alloy material is used as a material for forming the lifter 6, which is formed by extrusion into a long material having a cross section shown in FIG. As shown in the lifter 6 of FIG. 1, the long material is cut into the length of the lifter 6 and the end portion is cut into a round shape, and the opening 6 is formed by a known processing method such as drilling or punching.
c, 6d, screw holes 6i, 6i ... (see FIG. 4), hole 6
The lifter 6 is formed by forming a dividing portion 6k between the toe piece guide rail 6a and the heel piece guide rail 6b.

As shown in FIGS. 1 and 5, the lifter 6
Includes a toe piece guide rail 6a that holds the toe piece 2 movably back and forth with respect to the ski 98 on the attachment surface (upper surface) of the toe piece 2 and the heel piece 4.
And a heel piece guide rail 6b that holds the heel piece 4 movably back and forth with respect to the ski 98 are integrally formed. The two-piece guide rails 6a and the heel-piece guide rails 6b are provided on the left and right sides of the ski 98, along the front-rear direction of the ski 98, on the mounting surface (upper surface) of the toe piece 2 and the heel piece 4 of the lifter 6. It is provided on the protruding portion that curls back from the edge toward the center.

Further, as shown in FIG.
Also, on the mounting surfaces of the base portions 2a, 4a of the heel piece 4, the ridges 2aa, 4aa formed along the front-back direction of the ski 98, and the ridges 2aa, 4aa formed on the upper side thereof along the ridges 2aa, 4aa. The groove portions 2ab and 4ab are formed. As shown in FIG. 2 and FIG. 5, the toe piece 2 and the heel piece 4 are a toe piece guide rail 6a and a heel piece guide rail formed on a protruding portion that is bent back from both left and right edges of the lifter 6 toward the center. The ridges 2aa and 4aa are fitted into the 6b, and are held by the lifter 6 so as to be movable back and forth with respect to the ski 98.

As shown in FIG. 1, between the toe piece guide rails 6a on the left and right of the ski 98 on the mounting surface (upper surface) of the toe piece 2 of the lifter 6, the front and rear direction of the ski 98 is different. An opening 6c having a tooth portion is formed at an edge portion along the line. Also, for Too Peace 2,
A stopper 10 having a protrusion 10a that can be inserted and removed is attached to the opening 6c. The length of the convex portion 10a in the front-rear direction of the ski 98 is formed shorter than the length of the opening 6c in the front-rear direction of the ski 98. As shown in the assembly view of the binding A shown in FIG.
The protrusion 10a of the stopper 10 is provided with a tooth portion on a side portion along the front-rear direction of the ski 98 so as to mesh with the tooth portion of the opening 6c when inserted into the opening 6c. . As a result, the toe piece 2 can be locked at any position along the toe piece guide rail 6a depending on the position of the opening 6c into which the protrusion 10a is inserted.

As shown in FIG. 4, the stopper 10 includes:
An operating lever 10b is formed at one end, and shafts 10c and 10c projecting at both sides are formed at the other end. The stopper 10 is
The two piece 2a of the two piece 2 is fitted into the recess 2ac formed on the mounting surface of the lifter 6. Also, the shaft 10
c and 10c are rotatably supported by bearings 2ad formed on the side of the recess 2ac. Further, the spring 12 as a biasing member is supported by the inner wall of the recess 2ac at the end portion thereof so as to press the upper sides of the shafts 10c, 10c of the stopper 10 in the direction of the one end portion of the stopper 10. Energize 10. Therefore, the stopper 10 is biased in the direction in which the convex portion 10 a is inserted into the opening 6 c of the lifter 6.

Further, between the heel piece guide rails 6b on the left and right sides of the ski 98 on the mounting surface (upper surface) of the heel piece 4 of the lifter 6, teeth are formed on the edge of the ski 98 along the front-rear direction. An opening 6d having a portion is formed. Further, the heel piece 4 is attached with a stopper 14 having a convex portion 14a that can be inserted into and removed from the opening 6d. The length of the convex portion 14a in the front-rear direction of the ski 98 is shorter than the length of the opening 6d in the front-rear direction of the ski 98. The protrusion 14a of the stopper 14 is provided with a tooth portion on the side portion along the front-rear direction of the ski 98, and is provided so as to mesh with the tooth portion of the opening 6d when inserted into the opening 6d. . As a result, the heel piece 4 can be locked at any position along the heel piece guide rail 6b depending on the position of the opening 6d into which the convex portion 14a is inserted.

As shown in FIG. 4, the stopper 14 includes
An operation lever 14b is formed at one end, and shafts 14c, 14c projecting at both sides are formed at the other end. The stopper 14 is
The heel piece 4 is fitted into a concave portion 4ac formed on a mounting surface of the base portion 4a of the heel piece 4 to the lifter 6. Also, the shaft 14
c and 14c are rotatably supported by bearings 4ad formed on the sides of the recess 4ac. Further, the spring 12 as a biasing member is supported at the end portion by the inner wall of the recess 4ac and biases the shaft 14c of the stopper 14 and the upper side of the shaft 14c (the direction toward the one end portion of the stopper 14). To do. Therefore, the stopper 14 has the convex portion 14
A is biased in a direction to be inserted into the opening 6d of the lifter 6.

The stopper 10 is usually a spring 12
2, the protrusion 10a is inserted into the opening 6c, and the teeth of the protrusion 10a mesh with the teeth of the edge of the opening 6c. The piece 2 is locked in the front-back direction of the ski 98. As shown in FIG. 3, by pushing the operating lever 10b of the stopper 10 upward, the stopper 10 rotates around the shaft 10c against the biasing force of the spring 12, and the convex portion 10a is pulled out from the opening 6c. Then, the toe piece 2 is unlocked. By doing so, it becomes possible to move the toe piece 2 along the toe piece guide rail 6a, and by stopping pushing up of the operation lever 10b at a desired position, the convex portion 10a becomes a spring 12.
Is pushed into the opening 6c by the biasing force of the
The tooth portion of the tooth and the tooth portion of the edge of the opening portion 6c are engaged again to lock the toe piece 2 at that position. In this way, the stopper 10 and the opening 6c constitute a two-piece locking means.

Similarly to the stopper 10, the stopper 14 is normally biased by the spring 12 so that the convex portion 14a is inserted into the opening 6d, and the teeth of the convex portion 14a and the opening 6 are formed.
The heel piece 4 is locked in the front-rear direction of the ski 98 by meshing with the teeth of the edge of d.
By pushing the operating lever 14b of the stopper 14 upward, the stopper 14 rotates around the shaft 14c against the urging force of the spring 16, and the convex portion 14a is pulled out from the opening 6d, so that the heel piece 4 The lock is released. By doing so, it becomes possible to move the heel piece 4 along the heel piece guide rail 6b,
By stopping pushing upward of the operation lever 14b at a desired position, the convex portion 14a is inserted into the opening 6d by the urging force of the spring 14, and the teeth of the convex portion 14a and the teeth of the edge of the opening 6d. The parts are engaged again and the heel piece 4
Lock in that position. In this way, the stopper 14 and the opening 6d constitute heel piece locking means.

Further, as shown in FIG. 5 which is a front view of the binding A (the heel piece 4 is omitted), the lifter 6 has:
Two ribs 6e are formed integrally with the lifter 6 main body. The rib 6e is formed so as to communicate with the ski 98 in the front-rear direction. The lifter 6 is formed with three pipe-shaped hollow portions that penetrate the ski 98 in the front-rear direction with the rib 6e interposed therebetween.

Further, as shown in FIG. 4, screw holes 6i, 6i, ... Are arranged on the apexes of a 40 mm square to attach the lifter 6 to the ski 98 with screws. Is formed so as to penetrate the lower surface of the hollow portion. Further, the cushion member 8 also has screw holes 6i,
Screw holes 8a, 8a ... Are formed at the same positions as 6i. The lifter 6 is attached to the ski 98 by being screwed to the ski 98 by screws 18, 18 ... Penetrating the screw holes 6i, 6i ... And the screw holes 8a, 8a. Further, as shown in FIG. 1, the upper surface of the hollow portion of the lifter 6 has screw holes 6i, 6i .. The holes 6j, 6j, ... Formed in the upper part are formed.

According to this binding A, the lifter 6
By extruding an aluminum alloy to integrally form the rib 6e, the two-piece guide rail 6a and the heel-piece guide rail 6b,
It is possible to obtain high strength and to manufacture at low cost. Further, the extruded lifter 6 needs a process such as forming a screw hole 6i, but all of them are simple processes, and the process cost can be kept low. Further, by providing the ribs 6e, the hollow portion is formed inside, and the lifter 6 is configured to be lightweight and sturdy while obtaining a sufficient height from the skiing surface of the ski 98 to the sole of the skier. Is possible. In addition, since it is made of an extruded aluminum alloy having a high strength and is provided with ribs 6e, it is sturdy, and thus the screws 1 arranged on the apexes of a square of 40 mm square are
It can be attached to the ski 98 only by means of screw fastening by means of 8, 18 ...
Further, by simply pushing up the operation lever 10b or the operation lever 14b of the stopper 10 or the stopper 14,
It is possible to adjust the position of the toe piece 2 or the heel piece 4 in the front-rear direction, and it is easy to change the front-rear position for fitting the size of the ski shoe or fastening the ski shoe to the ski.

Although the lifter 6 is made of aluminum in the present embodiment, it is an aluminum alloy containing other copper, magnesium, nickel, silicon, manganese, zinc, etc., or mainly magnesium and aluminum. Light metal, light alloy such as magnesium alloy,
Any material may be used as long as it can be extruded. Further, although the two-piece guide rail 6a and the heel-piece guide rail 6b are configured by being divided by the dividing portion 6k in the present embodiment, they may be formed integrally. Further, although two ribs 6e are formed in the present embodiment, one rib 6e or three or more ribs 6e may be formed depending on the thickness and required strength of the rib 6e.

[0040]

The binding according to the present invention has a structure in which the height of the lifter can be increased and the front and rear positions of the toe piece and the heel piece can be easily adjusted. Further, the binding can be manufactured at a low cost and can be constructed in a lightweight structure. And also 40 mm
It has the effect of being excellent in compatibility because it can be attached to the ski by only screwing with screws (four-by-four screwing) arranged on the vertices of squares on all sides.

[Brief description of drawings]

FIG. 1 is an assembly view of a binding according to the present invention.

FIG. 2 is an assembly view of a binding according to the present invention.

FIG. 3 is an assembly diagram of the binding according to the present invention in a state where the two-piece locking means is unlocked.

FIG. 4 is an assembly view of the binding according to the present invention as viewed from below on an oblique side.

FIG. 5 is a front view of the binding according to the present invention.

FIG. 6 is a view showing a cross-sectional shape when a lifter is formed by extrusion processing.

FIG. 7 is a side view showing a state in which the ski boot is fastened by the binding according to the present invention.

FIG. 8 is an assembly view of a conventional binding.

FIG. 9 is an assembly view of a conventional binding.

[Explanation of symbols]

A Binding according to the present invention 2 two pieces 4 heel pieces 6 lifters 6a Two-piece guide rail 6a Heel piece guide rail 6c, 6d opening 6e rib 6i screw hole 8 cushioning member 10 stopper 10a Protrusion of stopper 14 Stopper 14a Projection of stopper 18 screws 98 skis 99 ski shoes

Claims (8)

[Claims] 1. A binding to be attached to a ski for fastening a ski boot having projections on the toe and the heel to the ski, the projection being provided on the toe of the ski. A toe piece for holding, a heel piece for holding a protrusion provided on a heel portion of a ski boot, and a toe piece formed by extruding a metal. The toe piece and the heel piece are attached and the toe piece and the toe piece are formed. A binding comprising: a lifter disposed between a heel piece and a ski and attached to the ski; and a lifter integrally formed with ribs in the front-rear direction of the ski. 2. A toe piece guide rail for holding the toe piece movably back and forth with respect to a ski on an attachment surface of the toe piece and the heel piece of the lifter is extruded integrally with the lifter body. The binding according to claim 1, further comprising: a toe piece locking means that is formed by the above and that can lock the toe piece at an arbitrary position along the toe piece guide rail. 3. The two-piece locking means is provided with an opening or a recess in which a tooth portion is provided at an edge portion of the ski along the front-rear direction, and the two-piece locking means is inserted into or removed from the opening or the recess. 3. The binding according to claim 2, wherein a stopper which is aptly attached to the toe piece meshes with the tooth portion to lock the toe piece when the toe piece is inserted into the opening or the recess. . 4. A heel piece guide rail for holding the heel piece movably back and forth with respect to a ski on the mounting surface of the heel piece and the heel piece of the lifter is extruded integrally with the lifter body. The binding according to claim 1, 2 or 3, further comprising: a heel piece locking means that is formed by the method and is capable of locking the heel piece at an arbitrary position along a heel piece guide rail. 5. The heel piece locking means is provided with an opening or a recess in which a tooth portion is provided at an edge of the ski along the front-rear direction, and the heel piece locking means is inserted into or removed from the opening or the recess. 5. The binding according to claim 4, wherein a stopper that is movably attached to the heel piece engages with the tooth portion to lock the heel piece when the heel piece is inserted into the opening or the recess. . 6. The binding according to claim 1, 2, 3, 4, or 5, wherein a plurality of the ribs are formed on the lifter. 7. The binding according to claim 1, 2, 3, 4, 5, or 6, wherein the lifter is formed by extruding aluminum or an aluminum alloy. 8. The screw hole formed on the apex of a square is formed in the lifter for screwing the lifter to a ski to attach the ski to the ski. Binding according to 3, 4, 5, 6 or 7.