JP3036695B2 - Safety knife - Google Patents
Safety knifeInfo
- Publication number
- JP3036695B2 JP3036695B2 JP10237532A JP23753298A JP3036695B2 JP 3036695 B2 JP3036695 B2 JP 3036695B2 JP 10237532 A JP10237532 A JP 10237532A JP 23753298 A JP23753298 A JP 23753298A JP 3036695 B2 JP3036695 B2 JP 3036695B2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- safety knife
- blunt
- tip
- blade body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、人を殺傷する機能
をなくして、本来の鉛筆削りや工作のみが可能な構造と
した安全ナイフに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety knife having a structure capable of performing only the original pencil sharpening or work without the function of killing a person.
【０００２】[0002]
【従来の技術】児童や生徒がナイフを常時携帯して、い
わゆるキレた生徒が教師や友人を殺傷する事件が多発し
ており、教育現場ではその対策に苦慮している。調査に
よれば多くの生徒が護身用と称してナイフを携帯してお
り、その目的が鉛筆削りや工作のためであると言われれ
ば、教育上その携帯をとがめることもできないし、一律
に持ち物検査を実施することにも生徒側の抵抗があっ
て、そう教師側の思い通りに行かない。2. Description of the Related Art There are many cases in which children and students carry a knife at all times, and so-called sharp students kill teachers and friends. According to the survey, many students carry knives for self-defense, and if it is said that the purpose is for pencil sharpening or crafting, it can not be reprimanded for education, and it is uniform There is also resistance from the students in conducting the tests, so they do not go as expected by the teachers.
【０００３】[0003]
【発明が解決しようとする課題】このような事情によ
り、教師は生徒に個人指導をすることに恐怖感を抱いて
おり、本来の十分な教育や生活指導を行うことが困難に
なりつつある状況にある。そこで本発明が解決しようと
する課題は、人を殺傷する機能をなくして、安全な使用
が可能な安全ナイフを提供することにある。Under these circumstances, teachers are afraid to give individual guidance to students, and it is becoming difficult to provide sufficient education and living guidance as originally intended. It is in. Therefore, an object of the present invention is to provide a safety knife that can be used safely without a function of killing a person.
【０００４】[0004]
【課題を解決するための手段】前記課題を解決するた
め、本発明の安全ナイフは、片刃の刃本体の長手方向の
先端を同長手方向に対して垂直で前記刃本体の先端部の
刃幅よりも若干広幅な鈍部とし、かつ刃先側の前記鈍部
の端部を非鋭利としたことを特徴とする。In order to solve the above-mentioned problems, a safety knife according to the present invention comprises a single-edged blade body having a longitudinal end perpendicular to the longitudinal direction and having a blade width at the distal end of the blade main body. A blunt portion slightly wider than the above, and the blunt portion on the cutting edge side
Is characterized in that the end portion is not sharpened .
【０００５】[0005]
【発明の実施の形態】以下、本発明の実施の形態につい
て、実施例を参照しながら説明する。図１は本発明の実
施例を示すものであり、（ａ）は平面図、（ｂ）は正面
図である。図において、１は片刃の刃本体、２は刃本体
１の長手方向の先端を同長手方向に対して垂直で刃本体
１の先端部の刃幅よりも若干広幅な鈍部、３は柄部、４
は枢軸、５はストッパである。刃本体１の刃１ａの中途
部は、少しふくらませ、この部分で物が切れやすいよう
にしている。鈍部２は前方も、刃１ａとつながる下部の
部分も丸くつぶしてあり、鈍部２の全体が鋭利でないよ
うにしている。刃本体１は枢軸４を支点として折り畳ん
で柄部３に収納できるようになっている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to examples. 1A and 1B show an embodiment of the present invention, wherein FIG. 1A is a plan view and FIG. 1B is a front view. In the drawing, 1 is a single-edged blade body, 2 is a blunt portion perpendicular to the longitudinal direction of the tip of the blade body 1 and slightly wider than the blade width of the tip portion of the blade body 1, 3 is a handle portion , 4
Is a pivot, and 5 is a stopper. The middle part of the blade 1a of the blade body 1 is slightly inflated so that an object can be easily cut at this part. The blunt portion 2 is also rounded at the front and at the lower portion connected to the blade 1a so that the entire blunt portion 2 is not sharp. The blade main body 1 is designed to be folded around the pivot 4 as a fulcrum and stored in the handle 3.
【０００６】このように鈍部２を刃本体１の先端に設け
ることにより、従来のいわゆる肥後守形ナイフの、鋭利
な先端での突き刺しや刃の先端での切り裂きが不可能に
なり、これを用いての傷害事件を激減させることができ
る。By providing the blunt portion 2 at the tip of the blade main body 1 as described above, it becomes impossible to pierce the conventional so-called Higo guard type knife with a sharp tip or to tear at the tip of the blade. All injuries can be drastically reduced.
【０００７】本発明のような殺傷機能のほとんどない安
全ナイフ以外の携帯を禁止することにより、鉛筆削りや
工作には支障のない安全な利器となり、教育現場で、安
心して生徒や児童に接したり指導を行うことができる。[0007] By prohibiting carrying other than a safety knife having almost no killing function as in the present invention, it becomes a safe tool that does not hinder pencil sharpening or work, and it can be used safely at the educational site with students and children. Can provide guidance.
【０００８】[0008]
【発明の効果】上述したように、本発明によれば、片刃
の刃本体の長手方向の先端を同長手方向に対して垂直で
前記刃本体の先端部の刃幅よりも若干広幅な鈍部とし、
かつ刃先側の前記鈍部の端部を非鋭利としたことによ
り、従来の、鋭利なナイフの先端での突き刺しや刃の先
端での切り裂きが不可能になり、これを用いての傷害事
件を激減させることができる。これにより、教育現場で
は、教師が安心して生徒や児童に接したり指導を行うこ
とができる。As described above, according to the present invention, a blunt portion having a longitudinal end of a single-edged blade body, which is perpendicular to the longitudinal direction and slightly wider than the blade width of the distal end of the blade body. age,
In addition, by making the end of the blunt portion on the cutting edge side non-sharp, it is impossible to pierce with the tip of a sharp knife or rip at the tip of the blade, thereby preventing an injury incident using this. Can be drastically reduced. As a result, at the educational site, the teacher can contact and give guidance to the students and the children with peace of mind.
【図１】 本発明の実施例を示すものであり、（ａ）は
平面図、（ｂ）は正面図である。FIG. 1 shows an embodiment of the present invention, wherein (a) is a plan view and (b) is a front view.
１ 刃本体、１ａ 刃、２ 鈍部、３ 柄部、４ 枢
軸、５ ストッパ1 blade body, 1a blade, 2 blunt part, 3 handle, 4 pivot, 5 stopper
Claims (1)
同長手方向に対して垂直で前記刃本体の先端部の刃幅よ
りも若干広幅な鈍部（２）とし、かつ刃先側の前記鈍部
（２）の端部を非鋭利としたことを特徴とする安全ナイ
フ。 1. A longitudinal end of a single-edged blade body (1) is formed as a blunt portion (2) perpendicular to the longitudinal direction and slightly wider than a blade width of a tip portion of the blade body , and on a blade tip side. The blunt part of
(2) A safety knife characterized in that the end is not sharpened .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10237532A JP3036695B2 (en) | 1998-08-24 | 1998-08-24 | Safety knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10237532A JP3036695B2 (en) | 1998-08-24 | 1998-08-24 | Safety knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000061170A JP2000061170A (en) | 2000-02-29 |
| JP3036695B2 true JP3036695B2 (en) | 2000-04-24 |
Family
ID=17016739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10237532A Expired - Lifetime JP3036695B2 (en) | 1998-08-24 | 1998-08-24 | Safety knife |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3036695B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495030B (en) * | 2011-12-15 | 2013-05-01 | 中国气象局气象探测中心 | Device and method for measuring homologous dual-target transmission visibility |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0907700D0 (en) * | 2009-05-05 | 2009-06-10 | Pointless Knives Ltd | Knife and knife blade |
| JP2014018348A (en) * | 2012-07-17 | 2014-02-03 | Dr Nakamats Com | Cutting tool for preventing killing crime |
| CN104942832A (en) * | 2014-03-26 | 2015-09-30 | 刘兴丹 | Non-offensive safety knife |
-
1998
- 1998-08-24 JP JP10237532A patent/JP3036695B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495030B (en) * | 2011-12-15 | 2013-05-01 | 中国气象局气象探测中心 | Device and method for measuring homologous dual-target transmission visibility |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000061170A (en) | 2000-02-29 |
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