JPH11313908A - Stone for curling - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a stone for curling which enables carrying out of a curling race, a curling game or the training of curling anywhere regardlessof season. SOLUTION: Metal and wood are combined to form a stone body 10 similar to a disc in shape. A handle 30 is extensively arranged on the top surface of the stone body 10 to operate the stone body 10 by a hand. Four of ball bearings 50 each having a ball 52 freely rotatable in any direction are arranged in four directions on a bottom surface of the stone body 10 as spaced at a specified interval. Thus, the stone body 10 can be supported to facilitate the running thereof with a limited resistance in any direction in a range of 360 deg. on the surface of ice, a floor, concrete or asphalt through the four ball bearings 50.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a curling competition,
The present invention relates to curling stones used for curling games and curling practice.

[0002]

2. Description of the Related Art Curling competition is one of the ice competitions, and is also taken up in the Olympic competition. In this curling competition, a tool called a stone is used. Stones are almost disk-shaped, and are literally formed of special stones.

[0003]

However, the stone weighs approximately 20 kg and is difficult to handle for a child or an elderly person without physical strength. In addition, for stone for stone, special stone materials with limited production areas are used exclusively,
The formation work also requires time and effort. For this reason, stones have to be expensive, costing hundreds of thousands of yen. Also,
Curling competitions require a large, smooth ice surface to drive the stone. For this reason, curling competitions have not been easily enjoyable anywhere by the general public. In addition, the time for performing the curling competition is limited to the winter season when the ice surface for the curling competition can be easily formed.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and a first object of the present invention is not only in winter when an ice surface is easily formed, but also in summer or the like when it is difficult to form an ice surface. To provide stones that allow anyone to easily perform curling or curling games anywhere, using indoor floors or outdoor concrete or asphalt instead of ice. Is what you do. A second object of the present invention is to provide a stone that can be used for practicing curling using an indoor floor surface or an outdoor concrete surface or asphalt surface in summer or the like when it is difficult to form an ice surface. What you want to do. The third object is a stone capable of running on ice, a floor, a concrete surface, or an asphalt surface with low resistance in any direction. The aim is to provide stones that can easily and easily play curling games. Furthermore, the fourth object is a stone in which a general-purpose metal, wood, or synthetic resin is used for a stone body without using a special and expensive stone material whose production area is limited as described above. Seeks to provide readily available stones.

[0005]

In order to achieve the above-mentioned object, a stone according to the present invention comprises a disk-shaped or substantially stone-shaped stone body and a stone body extending on the upper surface of the stone body which is manually operated. And three or more handles for supporting the stone body provided on the bottom surface of the stone body so as to be able to travel in any direction within 360 degrees on an ice surface, a floor surface, a concrete surface or an asphalt surface. Characterized by comprising a ball bearing having a ball rotatable in any direction as a leg.

[0006] In this stone, the stone body has a disk shape or a shape close to it, and its outer shape resembles a conventionally used stone. Therefore, the stone body is used for curling competition, curling play or curling. It can be used for practice without discomfort.

[0007] In addition, by holding the handle extended on the upper surface of the stone body by hand, the stone body can be easily and safely lifted by hand, or the stone body can be lifted over an ice surface, a floor surface, a concrete surface or an asphalt surface. You can push it in the right direction.

[0008] Further, three or more ball bearings for supporting the stone body on an ice surface, a floor surface, a concrete surface or an asphalt surface so as to be able to run in any direction within a range of 360 degrees, A ball bearing with a ball that can rotate in any direction as a leg is provided on the bottom surface of the stone body, so that the stone body can be connected to the ice surface, floor surface or concrete surface or asphalt through three or more ball bearings. It is possible to travel on the surface with low resistance in any direction within a range of 360 degrees with low resistance. As a result, no force is required to operate the stone body, and even a child or an elderly person without physical strength can easily enjoy a curling game or a curling game.

[0009] In the stone of the present invention, a structure in which the peripheral side of the stone body, which is a portion where the stone bodies collide with each other on an ice surface, a floor surface, a concrete surface or an asphalt surface, is formed of wood. It is preferred.

[0010] In this stone, the peripheral side portion of the stone body, which is a portion where the stone bodies collide with each other on an ice surface, a floor surface, a concrete surface or an asphalt surface, is formed of relatively soft wood. Therefore, when the stone bodies collide with each other on the ice surface, floor surface, concrete surface or asphalt surface, the collision sound emitted is not a harsh, high-pitched metal sound that sounds like a keen, but a soft, low-pitched sound. It can be a soft sound with a good heart.

In the stone of the present invention, it is preferable that a total of four ball bearings are provided at equal intervals on four sides of the bottom surface of the stone body.

In this stone, the stone main body is placed on an ice surface, a floor surface, a concrete surface or an asphalt surface via a total of four ball bearings provided at equal intervals on four sides of the bottom surface of the stone main body. To the surrounding 360
In any direction, the vehicle can run smoothly and stably with almost equal resistance and low resistance.

Further, in the stone of the present invention, it is preferable that the stone body has a structure formed of metal, wood, synthetic resin or a combination thereof.

In this stone, since the stone main body is formed of general-purpose metal, wood, synthetic resin, or a combination thereof, the stone main body can be easily formed anywhere. Then, using the stone body, a stone that can be easily obtained by anyone can be formed.

[0015]

Next, embodiments of the present invention will be described with reference to the drawings. 1 to 3 show a preferred embodiment of the stone of the present invention. FIG. 1 is a front view, FIG. 2 is a plan view thereof, and FIG. 3 is a bottom view thereof. Hereinafter, this stone will be described.

In the figure, reference numeral 10 denotes a stone body. As shown in FIG. 1, the stone body has a large circular plate 12 made of wood, a thin circular plate 14 formed of aluminum and a thick small circular plate 16 sequentially stacked at the center of the upper surface of the large circular plate 12 to form a large stone. At the center of the lower surface of the disk 12, a thin disk 18 made of aluminum is laminated. Through holes 19 are provided continuously at the center of the small disk 16, the center of the disk 14, the center of the large disk 12, and the center of the disk 18. A hexagon socket head bolt 20 is continuously inserted through the through hole 19. A nut 22 is screwed into the tip of a hexagon socket head cap screw 20 projecting below the disk 18, and the nut 22 is tightened. Then, the small disk 16, the disk 14, the large disk 12, and the disk 18 are fixed in a vertically laminated state via the hexagon socket head bolt 20 and the nut 22.

The peripheral side of the large disk 12 whose upper and lower surfaces are sandwiched by the disks 14 and 18 projects outwardly from the disks 14 and 18. A large disk 12 made of wood forms a peripheral side portion of the stone main body 10, which is a portion where the stone main bodies 10 collide with each other on an ice surface, a floor surface, a concrete surface, or an asphalt surface.

The large disc 12, the discs 14 and 18 superposed on the upper and lower surfaces of the large disc 12, and the small disc 16 superposed on the upper face of the disc 14 are formed by using stones. The size, shape, and material of the main body 10 are selected so that the main body 10 has a size, shape, and weight substantially similar to a stone used in a conventional general curling competition. Alternatively, the size, shape, and material thereof are selected so that the stone body 10 formed by using them has a size, shape, and weight that can be easily handled by children and the elderly without physical strength.

As shown in FIGS. 1 and 2, a handle 30 for operating the stone main body 10 by hand is provided on the upper surface of the small circular plate 16 corresponding to the upper surface of the stone main body 10. The handle 30 is formed at the upper end of a column member 32 made of aluminum with a round bar 34 protruding in a direction parallel to the surface of the small disk 16 and crossing over the small disk 16. The column member 32 includes two bolts 3 on the disc 16.
6 for fixing.

A disk 18 which is a lower surface of the stone body 10
As shown in FIG. 1 and FIG. 3, the stone body 10 is supported on the ice surface, the floor surface or the concrete surface or the asphalt surface so as to be able to travel in any direction within a range of 360 degrees on the four sides of the lower surface of the stone. And four ball bearings 50 having balls 52 rotatable in any direction as legs at regular intervals.

As the ball bearing 50, for example, C-8R called Freebear (trade name) manufactured by Kyoei Seiko Co., Ltd., as shown in a sectional view in FIG. 4, is used. The ball bearing 50 has a spherical ball 52 serving as a leg.
Are substantially hemispherical depressions 56 formed on the surface of the receiving portion 54.
It is fitted with the upper part buried inside. A ring 58 is fitted around the periphery of the ball 52 exposed to the outside of the receiving portion 54, and the ring 58 is fixed to the surface of the receiving portion 54. The ring 58 prevents the ball 52 from falling out of the recess 56. Between the inner peripheral surface of the recess 56 and the peripheral surface portion of the ball 52 opposed thereto, a large number of small balls 59 are housed in a bowl-like shape in one layer with a small gap. And the many small balls 59
, The ball 52 can rotate freely in the recess 56 in any direction with little resistance. It is difficult for a caster or the like having wheels as legs to run smoothly on the floor with little resistance in the direction of the rotation axis of the wheels perpendicular to the direction of rotation of the wheels. On the other hand, the ball bearing 50 can smoothly travel on the floor in all directions in the range of 360 degrees with little resistance.

The stones shown in FIGS. 1 to 3 are constructed as described above. In this stone, the stone body 10 has a disk-like shape or a shape close to the disk, and the stone generally used in the past is generally used. Since the outer shape of the stone body is similar to that of the stone body, the stone body 10 can be used in a curling game or a curling game without a sense of discomfort.

Further, by holding the handle 30 extended on the upper surface of the stone main body 10 by hand, the stone main body 10 can be easily and safely lifted by hand, or the stone main body 10 can be lifted on an ice surface, a floor surface or a concrete surface or asphalt. It can be pressed accurately on the surface in a predetermined direction.

A ball bearing 50 for supporting the stone main body 10 on an ice surface, a floor surface, a concrete surface or an asphalt surface so as to be able to travel in any direction within a range of 360 degrees, and in any direction. Since the ball bearing 50 having the rotatable ball 52 as a leg is provided on the bottom surface of the stone body 10, the stone body 10 is placed on the ice surface, floor surface, concrete surface or asphalt surface via the ball bearing 50. In the range of 360 degrees above, the vehicle can run smoothly with little force in any direction with little resistance.

Further, the periphery of the stone body 10, which is a portion where the stone bodies 10 collide with each other on an ice surface, a floor surface, a concrete surface or an asphalt surface, is formed of a large disk 12 made of relatively soft wood. Since the stone bodies 10 collide with each other on the ice surface, floor surface, concrete surface, or asphalt surface, the collision sound emitted from the stone bodies 10 is a soft sound that is soft and easy to hear. be able to.

A total of four ball bearings 5 are provided at equal intervals on four sides of the bottom surface of the stone body 10.
By using 0, the stone main body 10 can be smoothly and stably run on the ice surface, floor surface, concrete surface or asphalt surface in any direction within a range of 360 degrees with almost equal resistance and low resistance.

Further, since the stone body 10 is formed from a combination of general-purpose metal and wood, the stone body 10 can be easily and easily formed anywhere.

In the above-described stone, the stone body 10 may be formed only of wood in order to reduce its weight and to ensure safe handling, or it may be formed only of metal in order to increase its durability. It may be formed. In addition, the stone body 10 may be entirely or partially formed using a readily available synthetic resin. Alternatively, the large disk 12 of the stone body 10 may be formed of stone, and the stone body 10 may resemble a stone generally used in the past. Further, the stone body 10 may be formed in a shape similar to a UFO shape or the like.

Further, at least three ball bearings 50 may be provided on the bottom surface of the stone main body 10 at predetermined intervals, and even in such a case, the stone main body 10 may be provided via the three ball bearings 50. 10 can be freely and stably supported on an ice surface, a floor surface, a concrete surface or an asphalt surface in a range of 360 degrees with little resistance in any direction.

[0030]

As described above, according to the stone of the present invention, the ice surface can be easily formed not only in the winter season when the ice surface for curling can be easily formed but also in the summer season when the ice surface is difficult to form. Anyone can easily carry out a curling game or a curling game anywhere by using an indoor floor surface or an outdoor concrete surface or asphalt surface. Further, in summer or the like when it is difficult to form an ice surface, curling can be practiced accurately and smoothly using an indoor floor surface or an outdoor concrete surface or asphalt surface. In addition, it is a stone that can be run with low resistance in any direction on the ice, floor, concrete or asphalt surface. Even children and elderly people without physical strength can easily perform curling or curling games. We can provide a stone to enjoy. Furthermore, a stone in which the stone main body is formed from general-purpose metal, wood, synthetic resin, or the like, and which can be easily obtained by anyone can be provided.

[Brief description of the drawings]

FIG. 1 is a front view of a stone according to the present invention.

FIG. 2 is a plan view of the stone of the present invention.

FIG. 3 is a bottom view of the stone of the present invention.

FIG. 4 is a structural explanatory view of a ball bearing.

[Explanation of symbols]

 10 Stone body 12 Large disk 14, 18 Disk 16 Small disk 20 Hexagon socket head bolt 22 Nut 30 Handle 50 Ball bearing 52 Ball

Claims (4)

[Claims] 1. A stone body having a disk shape or a shape close thereto, a handle for manually operating a stone body extending on an upper surface of the stone body, and a stone body provided on a bottom surface of the stone body being iced. Three or more ball bearings for supporting a surface, floor, concrete surface or asphalt surface so as to be able to run in any direction within a range of 360 degrees, and a ball rotatable in any direction. A curling stone, characterized by comprising a ball bearing having the same. 2. The curling stone according to claim 1, wherein a peripheral portion of the stone body, which is a portion where the stone bodies collide with each other on an ice surface, a floor surface, a concrete surface or an asphalt surface, is formed of wood. 3. The curling stone according to claim 1, wherein a total of four ball bearings are provided at equal intervals on four sides of the bottom surface of the stone body. 4. The stone body according to claim 1, wherein the stone body is formed of metal, wood, synthetic resin, or a combination thereof.
Or the curling stone according to 3.