JPH0444087Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to mountain climbing shoes, and particularly to mountain climbing shoes equipped with removable crampons.

(Prior Art) To attach crampons to mountain climbing shoes, a string called a crampon band is generally used.

Crampons with four claws are simple and often used by elementary and junior high school students, and are sized to fit into the arch of mountain climbing shoes, with holes or rings on both sides for passing the crampon band. ing. To attach the crampons to the mountain climbing shoes so that they do not fall off, pass a crampon band through the holes on both sides of the crampons, wrap the band around the heel and instep of the mountain climbing shoes, and tighten.

(Problem that the invention aims to solve) Attaching crampons to shoes is not easy;
It is particularly time-consuming and difficult for younger people, such as elementary school students, to do this.

Even if you wear them, the crampon band will loosen while walking and the crampons will start to wobble.

Tightening the crampon band too tightly can cause blisters.

At the holes or rings on both sides of the crampons through which the crampon bands are passed, the shoes and the crampon bands come into strong contact, making it easy for the shoes to be damaged.

The object of the present invention is to provide mountain climbing shoes equipped with crampons that can be easily put on and can be removed when there is no snow.

(Means for Solving the Problems) In the present invention, a device for removably attaching crampons is attached to the bottom of the mountain climbing shoe body in advance.

The climbing shoes of the present invention include a climbing shoe body, crampons, and pins. In the main body of the climbing shoe, an engaging metal fitting is attached to the arch of the sole near the toe, a notch is provided on the arch side of the heel, and a pin hole is provided to pass through the notch. The crampons are provided with an engaging portion that engages with the engaging metal fitting at one end, and a protruding portion that is fitted into the notch at the other end. The pin is inserted into the pin hole to fix the other end of the crampon.

In a preferred embodiment, the engagement tool is provided with a hole, and the engagement portion of the crampon is a protrusion that is inserted into the hole.

In a preferred embodiment, the pin is provided with a constricted portion, and the diameter of the pin passage hole is reduced at a predetermined position, and the constricted portion of the pin is positioned at the portion where the hole diameter is decreased.

Preferred embodiments also include increased thickness at the ends of the crampons that contact the heel portion.

(Function) When the engaging part at one end of the crampons is engaged with the engaging metal fitting, the protruding part at the other end is fitted into the notch provided in the heel part, and the pin is passed through the pin hole, the crampons will be connected to the engaging metal fitting. It will be fixed with a pin and will not come off.

If the engagement tool has a hole, the protrusion of the crampon is inserted and engaged.

If the pin and the pin through hole are provided with a constricted portion, they fit together and are positioned and fixed.

If the heel side end of the crampons is thick, when a load is applied to the crampons in the heel side, the thick end comes into surface contact with the heel portion.

(Example) FIG. 1 represents one embodiment.

Reference numeral 2 indicates the climbing shoes themselves, and there are various types, ranging from authentic ones made of leather to simple ones made of cloth or synthetic fibers. The sole of the mountain climbing shoe body is generally made of rubber and is divided into a heel portion 4, an arch portion 6, and a toe portion 8.

In the arch part 6, near the toe part,
With a gap L provided between the toe portion 8,
An engaging metal fitting 10 is attached by a fixing metal fitting 12 such as a rivet. The engagement fitting 10 has a mounting part and an engaging part that are orthogonal to each other, and the mounting part is fitted into a recess formed in the arch part, and the surface of the mounting part and the surface of the arch part are at approximately the same height. The engaging portion of the engaging fitting 10 stands perpendicularly to the surface of the arch portion 6, and the engaging portion has holes 14, 14 into which protrusions 28, 28, which are the engaging portions of the crampons 24, are inserted.
is open. The height of the engaging tool 10 is set to be lower than the height of the toe portion 8. Further, the tip of the engaging portion of the engaging tool 10 is serrated to prevent slipping.

On the arch side of the heel portion 4, there is a notch 16.1 into which the protrusions 30, 30 of the crampons 24 are fitted.
6 is provided. As shown in FIG. 2, the notch 16 connects from the heel portion 4 to the groove 16a of the arch portion 6, and from the heel portion 4 to the arch portion 6.
The notch 16 and the groove 16a have an arcuate cross section at the portion where they connect.

The heel portion 4 also has a protrusion 3 of the crampons 24.
A pin through hole 18 is provided into which a pin 20 for fixing the crampons 24 is inserted.
6, 16, the height is set such that the crampons 24 can be held between the arch portion 6 and the pin 20. The hole 18 widens at both ends, the head 22 of the pin 20 fits into the widened part at one end, the tip of the pin 20 stays within the widened part at the other end, and when the pin 20 is pulled out, the pin 20 is removed from the widened part at the other end. It is now possible to press 20. The cross-sectional shape of the hole 18 matches the cross-sectional shape of the pin 20, and is, for example, square.

The hole 18 also has a constricted portion 18 with a narrowed hole diameter at a position corresponding to the constricted portions 20a, 20a provided on the pin 20, as shown in FIG.
a, 18a are provided.

The pin 20 inserted into the hole 18 of the heel portion 4 has a rectangular cross-sectional shape. The shape of the pin head 22 is such that when the pin 20 is inserted into the hole 18, it fits into the flared portion of one end of the hole 18, as shown in FIG.
The head 22 is set so as not to protrude outside the surface of the heel portion 4. The length of the pin 20 is
8, as shown in FIG.
The tip also extends from the widening part of the other end of the hole 18 to the heel portion 4.
It is set so that it does not go outside the surface. The pin 20 has constricted portions 20a, 20a formed at positions corresponding to the constricted portions 18a, 18a of the hole 18. The tip of the pin 20 is slightly recessed to make it easier to push when removing it.

Returning to FIG. 1, the crampons 24 are provided with two claws 26 on each side.
A hole 1 of the engaging metal fitting 10 is provided on one end side of the crampon 24.
4, 14 as an engaging portion
8, 28 are formed, and a heel portion 4 is formed on the other end side.
a protrusion 30 fitted into the notches 16, 16;
30 is formed. The end surface on the heel side, excluding the protruding parts 30, 30, is bent toward the nail side to form a thick contact part 32. The contact portion 32 makes surface contact with the heel portion 4.

On both sides where the claws 26 are provided, there are band pass-through portions 3 bent in the direction opposite to the claw side.
4, and the band passing portion 34 has a hole 3.
6 is open.

The materials of the crampons 24, the engagement fittings 10, and the pins 20 may be, for example, aluminum or iron.

Next, the operation of attaching the crampons 24 to the mountain climbing shoe body 2 will be explained.

The protrusions 28, 28 at one end of the crampons 24 are inserted into the holes 14, 14 of the engagement fitting 10 and engaged, and the other end of the crampons 24 is rotated using the engaging portion as a branch, so that the protrusions 30, 30 into the notches 16, 16 of the heel portion 4. The pin 20 is inserted into the hole 18 in the heel portion 4 until the head 22 of the pin fits into one end of the hole 18. The pin 20 fits within the hole 18 as shown in FIG. 3, and the protrusions 30, 30 of the crampon 24 are sandwiched between the arch portion 6 and the pin 20. Narrow portion 20 of pin 20
a, 20a and the constriction 18 in the hole 18 of the heel portion 4
a, 18a are fitted, and the pin 20 is prevented from coming out of the hole 18.

FIG. 4 shows the climbing shoes with the crampons 24 attached in this manner, and FIG. 5 shows an enlarged view of the part where the crampons are attached.

When removing the crampons 24 from the mountain climbing shoe main body 2, push the tip side of the pin 20, hold the head 22 when the pin head 22 comes out from the heel part 4, and pull out the pin 20. The crampons 24 are now ready to be pulled out from the holes 14, 14 of the engagement fittings 10.

The contact portion 32 on the other end side of the crampons 24 is connected to the heel portion 4 when the crampons 24 are worn while walking.
When this happens, the load can be received by the surface contact between the contact portion 32 and the heel portion 4, and damage to the heel portion 4 can be prevented. however,
The contact portion 32 can also be omitted.

The shape of the notch 16 in the heel portion 4 is similar to that of the arch portion 6.
Notch 1
6 becomes clogged with mud or ice, it can be easily scraped out by the protrusion 30 of the crampons 24. However, the shape of the notch 16 in the present invention is not limited to the illustrated one.

Since the gap L is provided between the engagement tool 10 and the toe portion 8, the protrusion 28 can be inserted into the hole 14 even when this gap is clogged with mud or ice. It is also easy to remove mud and ice. However, the present invention is not limited to those with a gap L.

When the pin 20 is inserted into the hole 18, the pin 20 can be prevented from falling out due to the fit between the constricted portions 18a and 20a. Neck part 18
The number of a and 20a is not limited to two, but may be one,
There may be three or more. In addition, the constriction 18 of the hole 18
For example, a leaf spring may be provided at a. The constrictions 18a, 20a may be eliminated, and the elasticity of the heel portion 4 may prevent the pin 20 from falling off.

Moreover, if the cross-sectional shape of the pin 20 is a square,
The pin 20 and the protrusion 30 of the crampon 24 come into surface contact, and the crampon 24 becomes stable. However, in the present invention, the shapes of the pins 20 and holes 18 are not limited to those illustrated, and may be circular, for example.

The band pass-through portions 34, 34 provided on both sides of the crampons 24 can be inserted into the holes in the band pass-through portions in the event that the pin 20 is lost, for example, and there is a problem in fixing the crampons 24 on the heel side. 3
6, 36 through which strings such as crampon bands are passed and fixed to the mountain climbing shoe body 2. In that case, the protrusions 28, 28 of the crampons 24 are
Since the crampons are inserted into and engaged with the holes 14, 14 of 0, it is only necessary to tighten them easily compared to the conventional method of simply attaching the crampons with a crampon band. However, in the present invention, the band passing portion 3
4 and 34 may be omitted.

The present invention can be modified in various other ways.

For example, the hole 14, the notch 16, the protrusions 28, 3
The number of 0s is not limited to two, but may be one or three or more.

Further, in the embodiment, the engagement fitting 10 is provided with a hole 14 and the crampon 24 is provided with a protrusion 28 that is fitted into the hole 14, but conversely, the engagement fitting 10 is provided with a protrusion and the crampon 24 is provided with a It can also be modified so that it is provided and engaged. Engaging metal fitting 10
Instead, for example, a hole may be made on the arch side of the toe portion 8, and the protrusion 28 of the crampons 24 may be inserted into the hole.

Since the engagement tool 10 has a serrated tip, it can serve as a non-slippery when the crampons 24 are not attached.
0 is not limited to serrations.

Since a recess is provided at the tip of the pin 20, it is easy to push the pin 20 when removing it, but this recess can also be omitted.

(Effects of the invention) In the present invention, an engaging fitting is provided at the bottom of the climbing shoe, and one end of the crampons is engaged with the engaging fitting.
The other end is inserted into the notch in the heel, and the pin is passed through the heel to attach the crampons to the shoe, making it easy to put on and take off the crampons, making it easy for younger children such as elementary school students. You will be able to put it on and take it off.

The crampons do not loosen as compared to the conventional method of wearing only the crampon band.

Compared to the conventional method of tightening with a crampon band, there is no need to use a crampon band, so there is no possibility of over-tightening the crampon band and causing blisters. Even if you use a crampon band as a preliminary measure, there is no need to tighten it as tightly as in the past.

Since the crampons are primarily supported by the engagement fittings and pins in the sole of the shoe, the shoe will not be damaged by tightening the crampon band.

The structure can be simplified by providing a hole in the engaging metal fitting and making the engaging portion of the crampon a protrusion that is inserted into the hole.

By creating a constriction in the pin and pin hole,
This can prevent the pin from falling out.

Further, if a wide contact portion is provided at the portion where the crampons come into contact with the heel portion, damage to the heel portion can be reduced.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing one embodiment, Fig. 2 is a perspective view showing the heel part of the same embodiment, Fig. 3 is a sectional view showing the heel part of the same embodiment, and Fig. 4 is a case where crampons are worn. A side view showing the state, and FIG. 5 is a sectional view of the main part showing the state where the crampons are attached. 4... Heel part, 6... Arch part, 8... Toe part, 10... Engaging metal fitting, 14... Hole, 16...
...Notch in heel, 18...Pin hole, 20...
...pin, 24...crampons, 26...claw, 28,
30... Protruding portion, 18a, 20a... Constricted portion.

Claims (1)

[Scope of claim for utility model registration] (1) An engaging metal fitting is attached to the arch of the sole near the toe, a notch is provided on the arch side of the heel, and a pin hole is provided to pass through the notch. A mountain climbing shoe body comprising: a mountain climbing shoe body; a crampon having a portion that engages with the engagement fitting at one end; a protrusion portion that is fitted into the notch at the other end; and a pin inserted into the pin hole. (2) The mountain climbing shoe according to claim 1, wherein the engagement tool is provided with a hole, and the engagement portion of the crampons is a protrusion that is inserted into the hole of the engagement tool. (3) The pin is provided with a constricted portion, and the diameter of the pin passage hole is reduced at a predetermined position, and the constricted portion of the pin is positioned at the portion where the hole diameter is decreased. Climbing shoes listed in . (4) The mountain climbing shoe according to claim 1, wherein the other end of the crampons is thicker at the portion that contacts the heel.