JPH10113419A - Sharpener for ski board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sharpener for a ski board to enable to simultaneously grind the base face and the side face and to simultaneously and securely fix at least tow grinding boards to grind the base face and the side face. SOLUTION: In a sharpener for a ski board 20, on which at least two grinding boards 23a and 23b are fixed in a condition mutually crossing, enabled to simultaneously grind the base face H and the side face S of the ski board 20, dents 22a and 22b to store at least two grinding boards 23a and 23b in a mutually crossing condition are equipped on the sharpener main body 21, and a pressing board 25 to simultaneously press and fix at least two grinding boards 23a and 23b stored in the dents 22a and 22b is enabled to be attached on an attaching slope 24 inclined to the dents 22a and 22b side equipped on the sharpener main body 21.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sharpener for grinding and sharpening an edge portion of a ski, and more particularly to a sharpener for a ski capable of simultaneously grinding a base surface and a side surface. .

[0002]

2. Description of the Related Art
As shown in FIG. 9, as a sharpener for grinding and sharpening an edge portion of a ski, a groove 2 for accommodating a grinding plate 3 is provided in a sharpener main body 1, and a grinding material 3 is screwed into the groove 2. There is one that is tightened and fixed at 4.

However, in this sharpener,
The base surface H and the side surface S in the edge portion E of the ski have to be separately ground while switching, and there is a problem that work efficiency is poor.

Therefore, as shown in FIG. 10, two or three or more grinding plates 13 are fixed to the sharpener body 11 with screws 14 in a state of intersecting each other, so that the base surface at the edge portion of the ski is fixed to the base surface. Sharpeners that can simultaneously grind the side surface have been proposed. According to this sharpener, the base surface and the side surface at the edge portion of the ski can be ground at the same time, so that the working efficiency can be greatly improved.

However, this sharpener has a structure in which the two grinding plates 13 are separately fastened and fixed with screws 14, and the grinding plates 13 come off when the screws 14 are loosened during use. There was a thing. In addition, when attaching or detaching the grinding plates 13, there is also a trouble that each of them must be performed one by one.

The present invention provides a ski sharpener capable of simultaneously grinding the base surface and the side surface and simultaneously and reliably fixing at least two grinding plates for grinding the base surface and the side surface. It is intended to provide.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, at least two grinding plates are fixed so as to intersect with each other, and a base surface and a side surface of a ski are connected to each other. In a ski sharpener capable of being ground simultaneously, a recess is provided in the sharpener body for accommodating the at least two grinding plates in a state of intersecting each other, and the sharpener is accommodated in the recess. A ski sharpener for skis, characterized in that a pressing plate for simultaneously pressing and fixing two grinding plates is mounted on a mounting slope provided on the sharpener body and inclined toward the concave side. And

The invention according to claim 2 has a gist of a sharpener for skis, characterized in that the pressing plate is an elastic body provided with a pressing portion for pressing the intersecting grinding plates at the same time.

According to a third aspect of the present invention, there is provided a ski sharpener according to the present invention, characterized in that the crossing angle of a portion of the sharpener main body contacting the base surface and the side surface of the ski is about 89 °. did.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A ski sharpener for skis (hereinafter simply referred to as a sharpener) according to the present invention will be described in more detail with reference to an embodiment shown in the drawings. The sharpener shown in FIGS. 1, 2, 3 and 4 is
And two grinding plates 23a and 23b for grinding the base surface H and the side surface S at the edge portion E of the hologram.

Each of the grinding plates 23a and 23b is a rectangular thin plate, and one having one kind of coarseness is usually used.
In addition, various types of grinding plates may be prepared from coarse to fine, and these may be used according to the degree of progress of the grinding operation. This grinding plate 23
The same a and 23b can be used for both the base surface and the side surface. In use, the same grinding direction is used for both the base surface and the side surface.

The grinding plates 23a and 23b are fixed to the sharpener main body 21 in a state of intersecting each other. In order to fix the grinding plates 23a and 23b to the sharpener main body 21 in a state of crossing each other, in the present invention, the sharpener main body 21 is provided with the two grinding plates 23a and 23b.
Are provided so as to intersect with each other, and the two grinding plates 23 accommodated in the recess 22 are provided.
A structure is proposed in which a pressing plate 25 for simultaneously pressing and fixing a and 23b is mounted on a mounting slope 24 provided on the sharpener body 21 and inclined toward the concave portions 22a and 22b. The intersection angle between the grinding plates 23a and 23b was set to 90 ° corresponding to the right-angled shape of the edge portion E.

Hereinafter, the fixing structure will be described in detail. As shown in FIG. 3 and FIG.
Has a substantially rectangular box shape, and the front edge and the rear edge are cut out in a substantially L shape. A mounting slope 24 is provided in the cutout portion 21a on the front side edge, and a pressing plate 25 is mounted on the mounting slope 24. On the other hand, the notch 21b at the back side edge is shown in FIG.
As shown in FIG. 2, the edge portion E of the ski 20 is applied to grind the edge portion E.

On the back and side surfaces of the notch portion 21b on the back side edge of the sharpener main body 21, contact portions 31 contacting the base surface H and the side surface S of the ski 20 respectively.
a, 31b are provided, and the contact portion 31a and the contact portion 3
The intersection angle with 1b is about 89 °. Contact part 31
When the intersection angle between a and the contact portion 31b is about 89 °, each of the grinding plates 23a and 23b hits the edge portion E more strongly, and there is an advantage that more reliable grinding can be performed.

The sharpener body 21 is provided with recesses 22a and 22b for accommodating the two grinding plates 23a and 23b in a state of intersecting each other. Recesses 22a, 2
2b includes, for example, a concave portion 22a for accommodating a grinding plate 23a for grinding the side surface S of the edge portion E and a concave portion 22b for accommodating the grinding plate 23b for grinding the base surface H.

The recess 22a is provided in the sharpener main body 21.
Are formed so as to face each other to the side surface of the notch portion 21a at the front side edge and the side surface of the notch portion 21b at the back side edge of the sharpener body 21 as well. Therefore, when the grinding plate 23a is inserted into the recess 22a from the notch portion 21b side of the back side edge, the grinding plate 23a is arranged in the thickness direction of the sharpener main body 21, and the lower end thereof Is exposed at the notch portion 21b at the back side edge.

On the other hand, the recess 22b is
1. The back surface of the notch portion 21b at the back side edge and the front surface of the notch portion 21a at the front side edge and below the mounting slope 24 are formed facing each other. For this reason, when the grinding plate 23b is inserted from the lower side of the mounting slope 24 and set in the recess 22b, the grinding plate 23b
Intersects with the grinding plate 23a accommodated in the concave portion 22a, and its tip is exposed in the cutout portion 21b on the back side edge.

In this embodiment, the recess 22a and the recess 2
Both 2b were sized to accommodate two grinding plates in the lateral direction. That is, the size is such that the grinding plate 23a for grinding the side surface S and the grinding plate 22b for grinding the base surface H can be arranged side by side. However, the size is not limited thereto. For example, the grinding plate 23a for the side surface and the base surface And two grinding plates 22b may be alternately arranged in the lateral direction.

The mounting slope 24 provided in the cutout portion 21a on the front side edge of the sharpener main body 21 is provided to be inclined toward the concave portions 22a and 22b. The mounting slope 24 has substantially the same width as the recesses 22a and 22b, and is provided at an inclination angle of about 45 °. A pressing plate 25 is mounted on the mounting slope 24.

The pressing plate 25 is a plate for simultaneously pressing and fixing the two grinding plates 23a and 23b arranged crossing each other. The back surface of the pressing plate 25 is attached to the mounting slope 24.
The pressing plate 25 slides on the mounting slope 24 toward the recesses 22a and 22b when the mounting plate is disposed on the mounting slope 24.

As described above, the grinding plates 23a and 23b are placed in the concave portions 22a and 22b, respectively, and the pressing plate 25 is slid on the mounting slope 24 toward the concave portions 22a and 22b to thereby make the front edge of the sharpener main body 21. Notch 2
A screw 27 is screwed into a through hole (not shown) formed on both sides of the pressing plate 25 and a screw hole 26 provided on both sides of the mounting slope 24 on the upper surface of the cutout portion 21a. And two grinding plates 23
a and 23b are simultaneously fixed to the sharpener main body 21 while intersecting each other.

The fixing of the grinding plates 23a and 23b by the pressing plate 25 will be described in more detail. When the pressing plate 25 is mounted on the mounting slope 24, a force acts in an oblique direction as shown in FIGS. This force acts on the grinding plates 23a and 23b which are accommodated in the recesses 22a and 22b and provided in an intersecting state with each other, and the grinding plates 23a and 23b It is fixed at the same time by the action.

In this embodiment, a pressing portion 28 is provided on the side of the pressing plate 25 which comes into contact with the grinding plates 23a and 23b, and the pressing portion 28 is directly connected to the grinding plates 23a and 23b.
b, and the force from the pressing plate 25 is applied. Further, in this case, since the pressing plate 25 is an elastic body, when the pressing plate 25 is mounted on the mounting slope 24, the grinding plates 23a and 23b are pressed by the elastic force, so that more secure fixing is performed. Is made. At the same time, the screw 27 is not easily loosened by the elastic force.

Although an example in which the pressing plate 25 is attached to the mounting slope 24 with the bolt screw 27 as an attachment means has been described, for example, one end of the pressing plate 25 is connected via a hinge 29 as shown in FIG. The sharpener main body 21 is fixed to the notch portion 21a so as to be rotatable, and the stopper 30 provided at the other end of the pressing plate 25 while the pressing plate 25 is rotated on the mounting slope 24 is attached to the sharpener main body 21. It can be attached by fitting. In this case, mounting of the pressing plate 25 can be performed by a very simple operation of rotating the pressing plate 25 and fitting the stopper 30 to the sharpener body 21, and furthermore, the screws are loosened and the grinding plate comes off. Don't worry.

It should be noted that the above example is merely an example,
It goes without saying that each configuration can be freely changed within the scope described in the claims.

[0026]

According to the sharpener for skis according to the present invention, the base surface and the side surface can be ground at the same time, and at least two of the base surface and the side surface can be ground.
The grinding plates can be fixed simultaneously and reliably.

In the sharpener for skis according to the second aspect of the present invention, since the pressing plate is an elastic body provided with a pressing portion for pressing the mutually intersecting grinding plates at the same time, more secure fixing by the elastic force. State can be realized.

In the sharpener for a ski according to the third aspect of the present invention, the crossing angle of the portion of the sharpener body in contact with the base surface and the side surface of the ski is set to about 89 °.
Each grinding plate will hit the edge part more strongly,
More reliable grinding can be performed.

[Brief description of the drawings]

FIG. 1 is a plan view showing an entire ski sharpener of the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a side view of the same.

FIG. 4 is a rear view of the same.

FIG. 5 is a sectional view taken along line AB in FIG. 1;

FIG. 6 is a sectional view showing the state in which the pressing plate is slid on the mounting slope.

FIG. 7 is a schematic diagram showing directions of forces acting on the grinding plate from the pressing plate.

FIG. 8 is a front view showing another mode of mounting the pressing plate on the mounting slope.

FIG. 9 is a perspective view showing a conventional sharpener.

FIG. 10 is a perspective view showing a conventional sharpener.

[Explanation of symbols]

 21 ... Sharpener body 22a, 22b ... Recess 23a, 23b ... Grinding plate 24 ... Mounting slope 25 ... Pressing plate 28 ... Pressing part

Claims (3)

[Claims] 1. A ski sharpener in which at least two grinding plates are fixed to intersect with each other so that a base surface and a side surface of the ski can be ground simultaneously. The sharpener is provided with a recess for accommodating at least two grinding plates in a crossed state, and a pressing plate for simultaneously pressing and fixing the at least two grinding plates accommodated in the recess. A sharpener for a ski, wherein the sharpener is mounted on a mounting slope inclined toward a concave portion provided in a main body. 2. A sharpener for a ski according to claim 1, wherein said pressing plate is an elastic body provided with a pressing portion for simultaneously pressing the grinding plates crossing each other. 3. The sharpener for a ski according to claim 1, wherein an intersection angle of a portion of the sharpener body abutting on a base surface and a side surface of the ski is about 89 °.