JPH0451824Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial field of application This invention relates to a tip leather attached to the tip of a shinai.

BACKGROUND TECHNOLOGY Conventionally, as shown in FIG. 7, the tip of a bamboo sword is made by cutting out two-dimensional pieces of leather and sewing them together with a leather string b to form a cylindrical shape with a closed top.

To attach the tip leather to the tip c, first,
After fitting the tip rubber d, which is a separate member, onto the tip of the sword, the tip leather a is placed over it, and the vine e is passed through a hole provided on the circumference to firmly connect it to the handle leather (not shown).

However, due to repeated battles, the tendrils exposed on the surface of the tip leather break, and the tip of the split bamboo that makes up the shinai breaks down. Since the bamboo was only covered with a layer of water, it was easy for the bamboo to split from the tip due to the impact.

Problems to be Solved by the Invention The present invention solves the above-mentioned drawbacks of the conventional tip leather, which prevents it from easily falling off from the shinai, and prevents the tip of the shinai from separating even if the outer cylinder falls off. The purpose of this invention is to provide a shinai tip leather that prevents split bamboo from splitting.

Means for Solving the Problems The tip of the bamboo sword of the present invention consists of an outer cylinder with an open bottom and a hole through the side wall, and an inner cylinder with an open bottom that fits into the outer cylinder. The inner cylinder has a structure characterized in that a fixing cord insertion hole is bored at the top of the inner cylinder.

Function One end of the fixed string is fixed to the split bamboo of the shinai, and the other end is fixed to the split bamboo of the shinai.
The cord is inserted into the fixing string insertion hole of the inner cylinder placed over the tip of the shinai, and tied at the upper surface of the top of the inner tube to connect the inner tube to the shinai and prevent the tip of the shinai from separating.

Insert and fix one end of the temple into the temple through-hole of the outer cylinder,
This outer cylinder is fitted onto the outer surface of the inner cylinder.

Embodiments Hereinafter, embodiments of the present invention will be described in detail based on the drawings.As shown in FIG.
It consists of an outer cylinder 2 and an inner cylinder 3 made of synthetic resin.

The synthetic resin used as the material should preferably be polyethylene, vinyl chloride, polypropylene, urethane, a composite of these, or a fine foam of these materials that is moderately soft.Elastomer molded from foamed polyethylene has a similar appearance and feel to leather products. similar,
Moreover, it is durable and suitable.

Further, the outer surface of the outer cylinder 2 is not finished smoothly, but is formed with fine irregularities to resemble the texture of leather.

The outer cylinder 2 has an open lower surface, and a temple fitting groove 4 is formed on the outer peripheral surface of the outer cylinder 2 so as to surround the circumference, and two temple through holes 5 are formed at positions slightly apart from each other in the temple fitting groove 4.
5 is bored, and a concave groove 6 is formed on the inner circumferential surface along the axis.
form.

The inner cylinder 3 is constructed slightly lower than the outer cylinder 2, and as shown in FIG. 2, a side wall 7 of the cylinder whose lower end is open projects slightly above the top surface 13, and a recess 15 is formed above the top surface 13. , a large number of uneven stripes 17 are formed on the outer periphery of the side wall 7 along the longitudinal direction of the shinai.

In addition, four fixing string insertion holes 9 are bored in the top surface 13 of the inner cylinder 3 near both ends of two diameters perpendicular to each other, and a detent with a circular or square cross section is provided in the lower center of the top surface 13. As shown in FIG. 3, an engaging protrusion 18 that engages between the split bamboos 10 is provided between the adjacent fixed string insertion holes 9 on the inner periphery of the side wall 7. Form.

Next, I will explain how to use the tip leather 1 of this invention.
At the tip of the four split bamboos that make up the shinai, there is a fourth
As shown in the figure, a hole 11 is bored, one end of which is inserted into the hole 11, and the other end of the fixing string 12 is tied and tied, and the other end is inserted into the fixing string insertion hole 9 of the inner cylinder 3, as shown in FIG. Then, the inner cylinder 3 is fitted onto the center of the split bamboo 10 of the protrusion 16 to cover the tip of the bamboo sword, and the other end of the fixing string 12 is fastened within the recess 15 to fix the inner cylinder 3.

At this time, if you prepare about five types of protrusions 16 whose thicknesses match the thickness of the split bamboo 10, the protrusions 16 will come into close contact with the back side of the split bamboo 10, no matter what kind of shinai you use.
Since the tip of the split bamboo 10 is fixed, the protrusion 16 will not be cut off.

In addition, as shown in FIG. 5, one end of the temple 14 that connects the handle leather, nakakubi (not shown), and tip leather 1 of the bamboo sword is inserted into one of the temple through-holes 5 of the outer cylinder 2 from the inner surface to the outer surface. After winding it along the temple fitting groove 4, it is inserted into the other temple passing hole 5 and tied to the temple 14.

This outer cylinder 2 is placed over the outer surface of the inner cylinder 3 as shown in the sixth figure, and the grooves 6 of the outer cylinder 2 engage the uneven strips 17 of the inner cylinder 3.

Note that if strong fibers such as synthetic resins such as aramid, inorganic fibers such as glass, or vegetable fibers such as hemp are buried around or throughout the openings of the outer cylinder 2 and inner cylinder 3, the openings may expand and fall off. There is no.

Effects of the invention The tip leather of the shinai of this invention consists of an outer cylinder and an inner cylinder, a vine is connected to the outer cylinder, a split bamboo is fitted to the inner cylinder,
Moreover, since the inner tube and each split bamboo that make up the shinai can be connected and fixed, the vines will not easily come off, and even if the outer tube falls off, the inner tube will hold the split bamboo and the tip of the shinai will separate. There's nothing to do.

Furthermore, since the tip leather is composed of a double cylindrical body consisting of an outer tube and an inner tube, no direct impact is applied to the split bamboo, and the split bamboo can be prevented from being torn from its tip.

Note that by forming uneven stripes on the outer surface of the inner cylinder, the outer cylinder will not spin idle, and when it is desired to change the striking surface of the outer cylinder, it can be forcibly rotated by hand.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the tip of a bamboo sword showing an embodiment of the present invention, Fig. 2 is a longitudinal sectional view of the inner cylinder, and Fig. 3 is a
The cross-sectional view of the same as above, Figure 4 is a perspective view of the tip of the shinai before the tip leather is attached, Figure 5 is a side view of the outer cylinder when the temple is attached, and Figure 6 is the shinai with the tip leather attached. FIG. 7 is a longitudinal cross-sectional view of the tip of the sword, and FIG. 7 is a perspective view of the main parts of a conventional bamboo sword. 1... Shinai tip leather, 2... Outer cylinder, 3... Inner cylinder,
4... Vine fitting groove, 5... Vine through hole, 6... Concave groove, 7... Side wall, 9... Fixed string insertion hole, 10...
Split bamboo, 11... hole, 12... fixing string, 13...
Top surface, 14... Vine, 15... Recess, 16... Protrusion, 17... Concave and convex strip, 18... Engaging protrusion.

Claims (1)

[Scope of utility model registration request] It consists of an outer cylinder that is open at the bottom and has a hanging hole in the side wall, and an inner cylinder that fits into the outer cylinder and has an open bottom, and the top of the inner cylinder has a fixed string insertion hole. The tip of the bamboo sword is characterized by the fact that