JP2002125712A - Walking tool on snow - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a walking tool which can walk with ease by restraining sliding as much as possible on the surface of snow in a heavily snowy district dotted with partial frozen spots. SOLUTION: This walking tool on snow 10 is fitted with a deck part 20 and a frame part 30 furnished at its circumference. The hole section 20A in the deck part 20 is equipped with a building part 50 and a shaft part 60 on which the tiptoe section of a shoe are placed. The building part 50 is inclinably fitted by using the shaft part 60 as the axis. A front crampon 70 at an underside of the building part 50, plural side crampons 81, 82 at the frame part 30 in the central sections of both sides of the deck part 20, and a heel crampon 90 at an underside of a heel placing part 40, are respectively equipped by projecting downward. When a wearer walks on snow by wearing the walking tool on the snow 10, the front crampon 70, the side crampons 81, 82, and the heel crampon 90, pierce the surface of the snow.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a walking implement for snow, which is mounted on shoes such as mountain climbing shoes and is used for walking on a snow surface such as a deep snow belt.

[0002]

2. Description of the Related Art Heretofore, a so-called Kanjiki has been used as a walking tool on snow for walking and moving on a snowy surface such as a deep snow zone of a winter mountain. Recently, a snowshoe (Western Kanjiki) has been used as a snowy walking tool that can walk more easily on the snowy surface than a snowshoe. When passing through a partially frozen place, most of the time, for example, the user walks with the snowshoe attached to his shoes without changing to a crampon.

[0003]

However, when walking with a shoe attached to a snowshoe on a snowy surface such as a steep slope in a frozen state or a ridgeline with a small amount of snowfall, there is a problem that it is slippery. Changing to a crampon or the like every time they pass through a place in a frozen state in order to avoid this is troublesome and requires carrying crampons at all times.

The present invention has been made in view of such a problem, and an object of the present invention is to make it possible to walk comfortably while minimizing a slip on a snow surface such as a deep snow zone where a part is in a frozen state. It is to provide a possible snow walking tool.

[0005]

According to the present invention, there is provided a walking tool for snow on a snowy side of a body, which is mounted on a shoe when walking on a snowy surface, and at a position corresponding to a toe portion of the shoe. A first crampon protruding from the body, a second crampon protruding toward the snow surface side of the main body at a position corresponding to the heel portion of the shoe, and a snow cramping side on both sides of the main body. It has a configuration provided with a plurality of third crampons, each of which is protruded and has a claw portion larger than the first and second crampons.

In the walking tool for snow according to the present invention, when the main body having the first, second, and third crampons is mounted on a shoe and the user walks on the snow surface, the first crampon is attached to the toe of the shoe. On a snow surface at a corresponding position, a second crampon has a plurality of third crampons having claws larger than the first and second crampons on a snow surface at a position corresponding to a heel portion of the shoe. Stab each side of the snow surface.

[0007] In the snow walking device according to the present invention, it is preferable that each of the first and second crampons is made of chromium molybdenum steel.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIGS. 1A and 1B show a schematic configuration of a snow walking tool 10 according to an embodiment of the present invention. FIG. 1A is a top view of the snow walking tool 10, and FIG. 1B is a side view of the same.
The upper side in FIG. 1 (A) and the left side in FIG. 1 (B) correspond to the front side of the walking implement 10 for snow.
0 indicates a direction in which a user wearing shoes, such as mountain climbing shoes, walks on the snow surface.

The snow walking device 10 includes an elliptical deck portion 20 having a hole 20A formed on the front side, and a tubular frame portion 30 made of, for example, duralumin provided around the deck portion 20. It has. At the rear of the deck section 20, a heel placement section 40 on which the heel portion of the shoe is placed is provided. In the hole 20A of the deck portion 20, a binding portion 50 on which a toe portion of a shoe is placed and a shaft portion 60 are provided. Binding part 5
Numeral 0 is provided so as to be tiltable around the shaft 60. Both ends of the shaft section 60 are fixed to the frame section 30 via the deck section 20. Binding part 5
A plurality of projections 50A are formed on the upper surface of the front part of the shoe 0 to prevent the toe portion of the placed shoe from shifting. On both sides of the front part of the binding part 50, there are holes, and a mounting part 50 for mounting a front band of a mounting tool described later.
B, 50C. On both sides of the rear part of the binding part 50, plate-like spring parts 51A and 51B extending rearward and slightly upward and having holes at the rear part are attached. The spring portions 51A and 51B are each provided with a curved heel wire 52 for connecting them through holes. A front crampon 70 is provided below the binding portion 50, a plurality of (two in this case) side crampons 81 and 82 are provided on the frame portion 30 at the center of both sides of the deck portion 20, and a heel is provided below the heel mounting portion 40. Crampons 90 are attached to project downward (snow surface side), respectively. The overall length of the snow walking tool 10 is, for example, about 0.55 m and its width is, for example, about 0.15 m.
The range is 5 m to 0.25 m.

The deck portion 20 is made of, for example, ultra-high molecular weight polyethylene, and can obtain buoyancy on a snow surface. The thickness of the deck section 20 is, for example, about 0.001 m. The spring portions 51A and 51B have elasticity and press both sides of the heel portion of the shoe. The heel wire 52 is made of, for example, stainless steel and is designed to partially surround the heel portion of the shoe. Shoes of various sizes can be mounted by the spring portions 51A and 51B and the heel wire 52.

FIGS. 2A and 2B show the binding unit 5.
2 shows a configuration of a front crampon 70 attached to a lower side of the front crampon 70. FIG. 2A is a side view, and FIG. 2B is a top view. Note that FIG.
In (A) and (B), the left side corresponds to the front side of the snow walking tool 10. This front crampon 70 has a frame 71,
It has a plurality (four in this example) of claw portions 72, 73, 74, 75 and a plurality (two in this case) of recesses 76, 77, which are integrally formed using, for example, chromoly steel (chrome molybdenum steel). Have been. The claw portions 72 to 75 are
Are provided so as to protrude toward the snow surface side at the corners of the shoe, and are stabbed into the snow surface during walking, thereby suppressing slippage at the toe portion of the shoe. In particular, since the claws 72 to 75 are made of chromium molybdenum steel, they are made not to slip even in a frozen state. Claw part 72-75
Is in the range of, for example, about 0.03 m to 0.04 m, and the width is, for example, about 0.015 m. Recess 7
Reference numerals 6 and 77 are for disposing the shaft portion 60 in the recessed portion.

FIGS. 3A and 3B show a state in which the front clamp 70 is attached to the binding section 50. FIG. FIG. 3A is a view from below, and FIG.
Is viewed from the side. 3 (A),
In (B), the mounting portions 50B and 50C are not shown. The shaft portion 60 is disposed so as to be sandwiched between the concave portions of the concave portions 76 and 77 of the front crampon 70 and the binding portion 50. The front crampon 70 and the binding unit 50 have the shaft unit 60 as an axis,
With respect to the horizontal plane of the deck section 20, it can be inclined by a predetermined angle α (90 ° or less, for example, about 60 °) in a clockwise direction (or a counterclockwise direction) A1. In addition, two stopper portions 6 for suppressing the clockwise tilt of a predetermined angle or more are provided on both side portions of the shaft portion 60.
0A and 60B are provided.

FIGS. 4A and 4B show the structure of a side crampon 81 attached to the frame section 30. FIG. FIG. 4A is a side view, and FIG.
Is viewed from the direction A2 of the arrow in FIG. In addition, the side crampon 82 is also the side crampon 8
1 is configured in the same manner. This side crampon 81
Has a claw portion 81A and a connecting portion 81B, which are integrally formed using, for example, stainless steel. The claw portion 81A is larger than the above-described claw portions 72 to 75 and a claw portion of a heel crampon 90 described later, and is provided so as to protrude toward the snow surface side. Slip in the can be suppressed enough. Each of the length L1 and the width L2 of the claw portion 81A is, for example, about 0.05 m. Connecting part 8
1B is a tube having a slightly larger diameter than the frame portion 30. The tube 1B is fixed to a predetermined position of the frame portion 30 with the frame portion 30 passing therethrough.

FIGS. 5A, 5B, and 5C show the structure of a heel crampon 90 attached to the deck portion 20 below the heel placing portion 40. FIG. FIG. 5 (A)
5A is a view from above, FIG. 5B is a view from the direction of arrow A3 in FIG. 5A, and FIG. 5C is a view in FIG.
Is viewed from the direction A4 of the arrow in FIG. In addition, in FIG. 5 (A), the upper side corresponds to the front side of the walking tool 10 on snow. The heel crampon 90 has a frame portion 91 and a plurality of (four in this case) claws 92, 93, 94 and 95, which are integrally formed using, for example, chromoly steel, like the front crampon 70. ing. Claws 92
Reference numerals 95 are provided at the corners of the frame portion 91 so as to protrude toward the snow surface side, and can be prevented from slipping at the heel portion of the shoe by piercing the snow surface during walking. In particular, the claws 92 to 95 are made of chromium molybdenum steel like the claws 72 to 75, so that they are less likely to slip even in a frozen state. Claws 92-9
The length of 5 is, for example, about 0.032 m, and its width is, for example, about 0.015 m.

Next, a description will be given of the structure of a wearing tool for mounting the walking tool 10 on snow configured as described above to shoes.

FIGS. 6A and 6B show a schematic configuration of the wearing tool. This attachment includes a front band 110 shown in FIG. 6A and a connecting band 120 shown in FIG. 6B.

As shown in FIG. 6A, the front band 110 has two band-shaped portions 111 and 112 and a ring-shaped portion 113, and the binding portion 50 is attached to the toe portion of the shoe. I have. Strips 111, 112
Are formed of a soft band-like member such as nylon, for example, and are connected to each other via a ring-shaped portion 113. A buckle 111 </ b> A and a band 112
Are respectively attached with buckles 112A.
The belt-like portion 111 is attached with its end portion passed through a hole of the attachment portion 50B and adjusted to a predetermined length by a buckle 111A. Similarly, the end of the belt-like portion 112 is passed through the hole of the mounting portion 50C, and the buckle 112
By A, it is attached in a state adjusted to a predetermined length. As a result, the front band 110 forms a ring into which the toe portion of the shoe can be inserted between the front band 110 and the binding part 50.

As shown in FIG. 6B, the connecting band 1
20 has a band-shaped part 121, a buckle 122 and two ring-shaped parts 123 and 124,
And the heel wire 52. By appropriately tightening the connection band 120, the snow walking device 10 is mounted on shoes. The band-shaped portion 121 is formed of a soft band-shaped member such as nylon, and when the snow walking device 10 is mounted, the connecting portions 52A and 52 of the ring-shaped portion 113 and the heel wire 52 are provided.
And B. The buckle 122 is
It is attached to one end 121A of the band-shaped portion 121, and connects the both ends 121A, 121B of the band-shaped portion 121 at the time of mounting.

Next, a procedure for mounting the snow walker 10 on shoes using the above-mentioned mounting tool will be described. FIG. 7 and FIG. 8 are for explaining the case where the snow walking tool 10 is mounted on shoes. FIG. 7 shows a state before using the wearing tool, and FIG. 8 shows a state after the snow walking tool 10 is mounted on the shoe using the wearing tool.

First, as shown in FIG. 6A, the front band 110 is mounted on the mounting portions 50B and 50C.
In this state, as shown in FIG.
The toe portion 151 is inserted into a ring formed by the binding portion 50 and the front band 110 and placed on the binding portion 50, and the heel portion 152 is placed on the heel placing portion 40. At this time, the heel part 152
Are pressed from both sides by the spring portions 51A and 51B, and are held by the heel wire 52.

Next, the ring-shaped portion 113 of the front band 110 and the heel wire 52 are connected using the connecting band 120.
Are connected to each other. That is, as shown in FIG. 6 (B), after hooking the end 121A of the belt-shaped portion 121 to which the buckle 122 is attached to the connecting portion 52A of the heel wire 52, the other end 121B is ring-shaped. Insert into the part 123. Then, the other end portion 121B is hooked on the connecting portion 52B of the heel wire 52 through the upper portion 153 of the shoe 150, and then inserted into the ring-shaped portion 113 of the front band 110. The other end 121B of the band 121 inserted into the ring 113 is connected to the end 121A of the band 121 by the buckle 122, and then inserted into the ring 124.

According to the above procedure, as shown in FIG.
The snow walking tool 10 is mounted on the shoe 150. in this case,
Since the band-shaped portion 121 of the connecting band 120 is stretched in a triangular shape on the upper portion 153 of the shoe 150, the ring-shaped portion 113 is formed.
The connection portions 52A and 52B of the heel wire 52 are connected to each other so as to pull each other. Thus, the front band 110 is positioned so as to wind around the toe portion 151 of the shoe 150 from above. As a result, the binding part 50 is attached to the toe part 151. In this state, the heel mounting portion 40 only mounts the heel portion 152, and the heel portion 152 can be moved in the vertical direction.

Next, the operation of the walking implement 10 on snow attached to the shoe as described above will be described. Walking gear for snow 1
When walking on the snow surface with 0 attached to the shoe 150,
When the user lifts his foot to step forward,
The toe portion 151 slopes forward and the heel portion 152
Is separated from the heel rest 40. Then, when the foot lands on the snow surface, the inclined toe portion 151 returns to the original state, and the heel portion 152 rests on the heel rest portion 40. At the time of this landing, the front crampon 70 is placed on the snow surface at the position corresponding to the toe portion 151,
Numerals 1 and 82 pierce the snow surface on both sides of the deck portion 20, and the heel crampon 90 pierces the snow surface at a position corresponding to the heel portion 152.

As described above, in the above embodiment, the front crampons 7 each made of chromium molybdenum steel are used.
The 0 and heel crampons 90 are provided so as to protrude toward the snow surface side, and the side crampons 81 and 82 are provided on the frame portions 20 on both sides of the deck portion 20 so as to protrude toward the snow surface side. Therefore, it is possible to walk comfortably while minimizing the slip on the snow surface in a partially frozen state.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various modifications are possible. For example, in the above embodiment, three types of crampons are provided, but four or more types of crampons may be provided.

[0027]

As described above, according to the walking tool for snow on the snow according to the present invention, when walking on the snow surface, the snow surface of the main body portion to be mounted on the shoe at the position corresponding to the toe portion of the shoe. The first crampon on the side, the second crampon on the snow surface side of the body at a position corresponding to the heel part of the shoe, the snow surface on both sides of the body,
Since a plurality of third crampons each having a claw portion larger than the first and second crampons are provided so as to protrude, for example, when walking on a snowy surface in a partially frozen state. Slip can be suppressed as much as possible.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating a schematic configuration of a snow walking tool according to an embodiment of the present invention.

FIG. 2 is a diagram showing a configuration of a front crampon shown in FIG.

FIG. 3 is a diagram showing a state in which the front clamp shown in FIG. 2 is attached to a binding part.

FIG. 4 is a diagram showing a configuration of a side crampon shown in FIG.

FIG. 5 is a diagram illustrating a configuration of a heel crampon illustrated in FIG. 1;

6 is a diagram showing a schematic configuration of a wearing tool for mounting the snow walking tool shown in FIG. 1 on shoes.

FIG. 7 is a diagram for explaining a case where the snow walking tool shown in FIG. 1 is worn on shoes.

FIG. 8 is a diagram for explaining a case where the snow walking tool shown in FIG. 1 is worn on shoes.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Snow walker, 20 ... Deck part, 30 ... Frame part, 40 ... Heel mounting part, 50 ... Binding part, 50
A: Projection, 50B, 50C: Mounting part, 51A, 51B ...
Spring part, 52 heel wire, 60 shaft part, 70
... Front crampons, 71,91 ... Frame parts, 72,7
3, 74, 75, 81A, 92, 93, 94, 95 ... claw portions, 76, 77 ... concave portions, 81, 82 ... side crampons, 81B ... connecting portions, 90 ... heel crampons.

Claims (2)

[Claims] 1. A main body part to be attached to a shoe when walking on a snow surface, and a first crampon protruding from a snow surface side of the main body part at a position corresponding to a toe portion of the shoe. A second crampon provided at a position corresponding to the heel portion of the shoe and protruding from the snow surface side of the main body; and A walking implement on snow, comprising: one crampon; and a plurality of third crampons having claws larger than the second crampons. 2. The walking implement according to claim 1, wherein each of the first and second crampons is made of chromium molybdenum steel.