JPH08300878A - Gripper for writing instrument - Google Patents

Abstract

PURPOSE: To obtain a gripper for a writing instrument capable of correcting to a correct holding way and getting a user scarcely tried even if writing for a long time by incorporating a front top sharpened in a longitudinal section, an intermediate part formed in a smaller diameter than that of the front top, and a rear thick diameter part formed in a thicker diameter than that of the intermediate part. CONSTITUTION: A gripper 1 for a writing instrument is formed with an oblique surface inclined from the front end toward a front top 1A, with a maximum diameter shaft part 1B disposed at the position separated from the top 1A rearward in a longitudinal direction, and connected with a recess curved surface from the top 1A to the part 1B. The top of a rear thick diameter part 1C is formed at the position separated rearward in the longitudinal direction from the part 1B, and the part 1C is raised with roundness. According to this, particularly at the time of gripping it by an elementary school student, the thick of the forefinger 2 is brought into contact with the curved part from the top 1A to the minimum diameter part 18, the nail side of the middle finger 3 is also brought into contact with the part 1B. The thick of the thumb 4 is brought into partial contact with the rear thick diameter part 1C from the top 1A to the part of the part 1B, thereby making a user correctly hold the instrument.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a writing instrument gripping tool for teaching elementary school children how to properly hold a writing instrument in school education.

[0002]

2. Description of the Related Art Recently, in order to acquire the correct way of holding a writing instrument, it has come to be considered that the results cannot be expected without teaching from the lower grades of elementary school. However, at present elementary schools, pencils are used for writing instruments, but the shape of the pencil is uniform and not suitable for teaching how to hold it properly. Also, even if you hold it incorrectly, you can hold it as it is, so it seems that less than 10% of elementary school students have a proper way to hold it. Conventionally, a general writing instrument has used a writing instrument gripping tool in which a cylindrical elastic body is provided on a shaft cylinder of the writing instrument to facilitate gripping. A gripping tool for a writing instrument is also known in which a recess is provided in conformity with the shape of a finger in order to properly grip the finger.

[0003]

However, the writing instrument gripping tool made of a cylindrical elastic body is easy to grip, but is also not easy to grip even if it is held incorrectly. It was not useful for correcting how to hold it. Further, the writing instrument gripping tool provided with a recess corresponding to the shape of the finger is not practical because it cannot be adapted to the size of each individual finger. Moreover, it was completely unsuitable for a mechanical pencil that rotates a writing instrument in accordance with the wear of the core. An object of the present invention is to provide a writing instrument gripping tool that solves the above-mentioned problems.

[0004]

Means for Solving the Problems The present invention provides a writing instrument gripping tool formed of an elastic body and having a substantially circular cross-section. The writing instrument is connected to a front apex having a sharp longitudinal cross section and a concave curved surface from the front apex. And the smallest diameter part is 2-5mm compared to the top of the front part.
An intermediate portion formed to have a small diameter, and a rear large diameter portion having a top with a diameter of about 2 to 5 mm thicker than the thinnest portion of the intermediate portion and having a rounded longitudinal cross-section. From the top of the front portion to the top of the rear large-diameter portion, the writing instrument gripping tool is configured with a distance of about 20 to 40 mm in the longitudinal direction. It should be noted that since elementary school students grow taller by about 6 cm in one year and their hands grow larger accordingly, it is necessary to prepare several types of gripping tools according to the size of elementary school students' hands.

[0005]

[Function] Generally, the proper way to hold a writing instrument is that the belly of the forefinger comes into contact with the writing instrument, the first joint of the middle finger and the side of the middle of the nail come into contact with the forefinger and a position on the approximate circumference, and the thumb The abdomen is located slightly behind the index finger and the middle finger in the longitudinal direction to contact the writing instrument, and the index finger, the middle finger and the thumb are positioned at three points at equal intervals in the circumferential direction. And
The correct way to hold the writing instrument is to tilt it so that the barrel of the writing instrument touches the base of the index finger, and to make the entire hand round. Therefore, as described above, the writing instrument gripping tool of the present invention has a concave curved surface portion from the front apex 1A to the smallest diameter portion 1B when gripping the writing tool provided with the writing instrument gripping tool 1, as shown in FIG. The belly part of the forefinger 2 comes into contact with the first joint 3 and the side part between the first joint of the middle finger 3 and the nail also comes into contact with the thinnest portion 1B. Then, the belly portion of the thumb 4 comes into contact with a portion of the front apex portion 1A from a portion slightly smaller than the smallest diameter portion 1B to a rear large diameter portion 1C, and writing can be performed with a proper writing tool. Moreover, when the writing pressure is applied to the writing instrument, the belly of the index finger 2 is pressed against the concave curved surface having a large diameter toward the front top 1A, so that the finger does not slip in the direction of the tip of the writing instrument for a long time. Hands are less likely to get tired after writing. As a bad way to hold a writing instrument which is often seen in children, as shown in FIG. 3, a method of holding the tip of the writing instrument with the thumb 4, the index finger 2 and the middle finger, and a thumb 4 as shown in FIG. There are ways to get up. If you hold the tip of a writing instrument, the top of the front with a sharp finger 1
It is hard to hold A, and when the thumb 4 is held upright, the joint of the thumb 4 hits the rear large-diameter portion 1C and is hard to hold. Moreover, when writing is carried out for a long time with the above-mentioned bad holding manner, the finger becomes painful in any case, and it is naturally corrected to the correct holding manner.

[0006]

EXAMPLE FIG. 1 shows a writing instrument gripping tool 1 of the present invention. An inclined surface is formed from a front end toward a front top 1A having a diameter of 10 to 15 mm, and a front side top 1A extends from the front top 1A to a rear side in the longitudinal direction. The smallest diameter portion 1B having a diameter of 5 to 10 mm is formed at a position separated by ˜20 mm, and the front top 1A to the smallest diameter portion 1B are connected by a concave curved surface. The front top 1A is formed to have a sharp longitudinal cross section. A crest of a rear large-diameter portion 1C having a diameter of 10 to 15 mm is formed at a position 10 to 20 mm away from the thinnest diameter portion 1B rearward in the longitudinal direction, and the rear large-diameter portion 1C is rounded and raised. From the middle portion to the rounded rear large diameter portion 1C, the concave curved surface is also connected. The writing tool gripping tool 1 formed as described above has a total length from the front end to the rear end of about 25 to 50 mm.

[0007] It is preferable that the writing tool gripping tool 1 for the elementary school students to write with the above-mentioned correct holding method is formed as follows. Diameter 12 to 1 from the front end of the gripping tool 1
Form an inclined surface toward the front top 1A of 3.5 mm,
A smallest diameter portion 1B having a diameter of 8.5 to 9.8 mm is formed at a position approximately 15 mm rearward in the longitudinal direction from the front top 1A, and a concave curved surface is formed from the front top 1A to the smallest diameter portion 1B. Connecting. The front top 1A is formed to have a sharp longitudinal cross section. 12 to 15 m backward in the longitudinal direction from the smallest diameter portion 1B
Rear large-diameter portion 1 with a diameter of 12 to 13.5 mm at a distance of m
C is formed, and the rear large diameter portion 1C is rounded and raised. From the smallest diameter portion 1B to the rounded rear large diameter portion 1C, the concave curved surface is also connected. The writing instrument gripping tool 1 formed as described above has a total length from the front end to the rear end of about 40 to 4.
Set to 2 mm.

The gripping tool for a writing instrument of the present invention may be made of various materials as long as it is an elastic body. For example, rubber having a Shore A hardness of about 50 degrees, urethane foam or the like is conceivable. The grasping tool for a writing instrument of the present invention described above can be used for various writing instruments such as a mechanical pencil and a ballpoint pen that have been generally used conventionally.

[0009]

As described above, the writing instrument gripping tool of the present invention is provided with a front top having a sharp longitudinal cross section, an intermediate portion having a diameter of 2 to 5 mm smaller than the front top, and an intermediate portion. It is characterized in that it is composed of a rear large-diameter portion formed to have a diameter larger than that of 2 to 5 mm by 20 to 40 mm in the longitudinal direction from the top of the front portion to the top of the rear large-diameter portion.
As a result, when gripped by an elementary school student, the belly part of the index finger contacts the concave curved surface part from the top of the front part to the thinnest part, and the side part of the middle finger's nail also contacts the thinnest part. Then, the belly part of the thumb comes into contact with a part from the top of the front part to a part from the thinnest part to the large part of the rear part, so that the writing instrument can be held properly. In addition, when an elementary school student tries to hold it in a bad way, it is very difficult to hold, and the finger becomes painful and is naturally corrected to the correct way to hold it. Furthermore, when the writing pressure is applied to the writing instrument, the belly of the index finger is pressed against the concave curved surface that has a large diameter toward the front apex, so there is no risk of the finger slipping toward the tip of the writing instrument, and writing for a long time. Even if you go, you will not get tired of your hands.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a writing instrument gripping tool of the present invention.

FIG. 2 is a main part front view showing a state in which the writing instrument gripping tool of the present invention is correctly held.

FIG. 3 is a front view of a main part showing a state in which the writing instrument gripping tool of the present invention is held in a bad manner.

FIG. 4 is a front view of a main portion showing a state in which the writing instrument gripping tool of the present invention is held in a bad way.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 1 gripping tool 1A front top of gripping tool 1B minimum diameter part of gripping tool 1C rear thick diameter part of gripping tool 1

Claims (1)

[Claims] 1. A grip for a writing instrument, which is formed of an elastic body and has a substantially circular cross-section, is connected to a front apex having a sharp longitudinal cross-section and a concave curved surface from the front apex, and the smallest diameter portion is the front. An intermediate part formed with a diameter of about 2 to 5 mm smaller than the summit, and a summit formed with a diameter of about 2 to 5 mm larger than the thinnest part of the middle part, and the longitudinal cross section is rounded and raised. And a rear large-diameter portion that is formed, and a distance from the top of the front portion to the top of the rear large-diameter portion is separated by about 20 to 40 mm in the longitudinal direction.