JPH0435114Y2 - - Google Patents
Info
- Publication number
- JPH0435114Y2 JPH0435114Y2 JP1987124453U JP12445387U JPH0435114Y2 JP H0435114 Y2 JPH0435114 Y2 JP H0435114Y2 JP 1987124453 U JP1987124453 U JP 1987124453U JP 12445387 U JP12445387 U JP 12445387U JP H0435114 Y2 JPH0435114 Y2 JP H0435114Y2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- upper blade
- lower blade
- base plate
- trochanter
- 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
Links
- 238000005520 cutting process Methods 0.000 description 6
- 208000003443 Unconsciousness Diseases 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Knives (AREA)
Description
【考案の詳細な説明】
[産業上の利用分野]
本考案は上刃と下刃との間に一定間隔の間〓を
備えさせて形成し、封書の開封すべき辺縁部を上
刃に突き当てるだけで開封個所の切断すべき量の
設定を容易簡単に位置決めし、そして上刃の切断
操作によつて開封個所を切断することのできる封
書の開封機構を備えたカツターに関するものであ
る。[Detailed description of the invention] [Industrial field of application] The present invention is formed by providing a constant gap between the upper blade and the lower blade, so that the edge of the sealed letter to be opened is attached to the upper blade. To provide a cutter equipped with a sealed letter opening mechanism capable of easily and easily positioning the amount to be cut at an unsealed part just by abutting it, and by cutting the unsealed part by a cutting operation of an upper blade.
[従来の技術・考案が解決しようとする問題点]
従来台板の一側に沿つて固定された下刃とこの
下刃の先端で枢着されて可動自在に設置する上刃
とを有するカツターは下刃と上刃とは互いの側面
が密接に接するように組立てられているのが普通
一般である。それ故に、被裁断物は台板の上面い
設けられた桝目の寸法線によつて切断すべき量と
位置決めをするようにして使用している。[Problems to be solved by conventional techniques and ideas] Conventionally, a cutter has a lower blade that is fixed along one side of the base plate and an upper blade that is pivotally connected at the tip of the lower blade and is movably installed. Generally, the lower and upper blades are assembled so that their sides are in close contact with each other. Therefore, the amount and position of the object to be cut are determined by the dimension lines of the squares provided on the top surface of the base plate.
しかしながら、封書の開封にあつては、書類が
封書の開封個所まで占められている場合に、封書
内の書類を傷めずに開封するためには、開封個所
を1mm乃至1.5mm程度で切断しなければならず、
このように、縁部を僅かな幅で切断しようとする
場合、封書が少しでも斜めに位置決めされている
と、縁部の半分位が切断されて切り残りの部分が
生じ、又、封書の開封すべき縁部が必ずしも封書
の長さ方向の辺縁と直角でない場合があり、この
ように場合に、1mm乃至1.5mm程度で切断しよう
とすると目測となり、切断すべき量が多くなつた
り或いは前記のように切断されない部分ができて
しまつたりし、しかも、このような切り残り部分
を再度の操作で切断することはかえつて困難とな
つて、封書内の書類を一緒に切断してしまつたり
する等の欠点があつた。 However, when opening an envelope, if the opening part of the envelope is filled with documents, in order to open the envelope without damaging the envelope, it is necessary to cut the opening part by about 1 mm to 1.5 mm. Not necessarily,
In this way, when trying to cut the edge to a small width, if the envelope is positioned even slightly diagonally, about half of the edge will be cut, leaving an uncut portion, and it will be difficult to open the envelope. In some cases, the edges to be cut are not necessarily perpendicular to the edges in the length direction of the envelope, and in such cases, if you try to cut at around 1 mm to 1.5 mm, the amount to be cut may increase or In some cases, uncut portions may be left uncut, and it becomes even more difficult to cut these uncut portions by repeating the operation, resulting in the documents inside the envelope being cut together. There were drawbacks such as
このような問題を解決するものとして、本願と
同一出願人によつて出願された実用新案登録第
1754786号の考案があるが、この考案は、第5図
及び第6図に示すように、下刃2aの先端部3a
を台板1aと反対する方向へ曲折9aすると共に
基端側には下方へカーブ16させて突起する突起
部17を一体に形成設置し、上刃4aを降下させ
た際に、前記突起部17のカーブ16に案内され
て上刃4aの基端側を突起部17の外方へ位置さ
せ、そして下刃2aの先端部3aの曲折9aの先
端部と突起部17とで、上刃4aを下刃2aに対
して一定の間隔を保つて平行させることにより、
上刃4aと下刃2aとの間に一定の〓間14aを
設けるようにしているが、この先願の考案におい
ては、突起部17はカーブ16の終端で段部20
を設けると共にこの段部20からストツパー8a
を一体に突設させた構成になるので、カーブ16
の終端の段部20の段差が浅くなり、上刃4aと
下刃2aとの間に所望の間〓14aを求めようと
するときに、上刃4aを段部20に素早く正確に
係合させ憎いものであり、しかも、カーブ16で
上刃4aがひつかかりを生じたりして、段部20
に上刃4aを係止させるために、些細であるが、
意識を集中させなければ成らず、このような神経
の集中は、たとえ些細であるとして、カツターの
使用を煩わしくしてしまうものであつた。 As a solution to this problem, a utility model registration number filed by the same applicant as the present application is proposed.
There is a device in No. 1754786, but this device has a tip 3a of the lower blade 2a as shown in FIGS. 5 and 6.
is bent 9a in the direction opposite to the base plate 1a, and a protrusion 17 that protrudes downward with a curve 16 is integrally formed and installed on the base end side, and when the upper blade 4a is lowered, the protrusion 17 Guided by the curve 16 of the upper blade 4a, the base end side of the upper blade 4a is positioned outside the protrusion 17, and the upper blade 4a is moved by the tip of the bend 9a of the tip 3a of the lower blade 2a and the protrusion 17. By keeping a constant distance and parallel to the lower blade 2a,
Although a certain distance 14a is provided between the upper blade 4a and the lower blade 2a, in the invention of this earlier application, the protrusion 17 forms a step 20 at the end of the curve 16.
A stopper 8a is provided from this stepped portion 20.
Curve 16
When the step 20 at the end of the step 20 becomes shallow and a desired distance 14a is to be obtained between the upper blade 4a and the lower blade 2a, the upper blade 4a is quickly and accurately engaged with the step 20. Moreover, the upper blade 4a gets stuck at the curve 16, and the stepped portion 20
Although it is trivial, in order to lock the upper blade 4a,
This required concentration of consciousness, and even if such concentration of nerves was trivial, it made using the cutter a nuisance.
上刃4aと下刃2aとの間に所望の間〓を求め
る操作としては、本来、無意識的で極く自然に成
されなければならないし、しかも、素早く正確に
位置決めされなければ、開封機構を設けたカツタ
ーとしての価値が失われることになる。しかしな
がら、実用新案登録第1754786号のカツターは、
上刃4aと下刃2aの間に所望の間隔を求める操
作において、無意識的で自然な操作、および素早
い操作が得られない等の欠点があつた。 The operation to obtain the desired distance between the upper blade 4a and the lower blade 2a must be done unconsciously and naturally, and if it is not positioned quickly and accurately, the opening mechanism may be damaged. The value of the installed cutter will be lost. However, the cutter with utility model registration No. 1754786 is
In the operation to obtain a desired distance between the upper blade 4a and the lower blade 2a, there are drawbacks such as an unconscious and natural operation and an inability to obtain a quick operation.
本考案は上記の点に鑑みてなされたもので、下
刃の先端部を台板の外方へ突出させてこの先端部
を台板と反対する方向へ所定角度の反りを設けて
形成し、上刃は前記下刃の先端部で弾圧的に枢着
すると共に上刃の基端側を台板の外方へ延長突出
させて形成し、台板の基端側の側面に転子を枢着
し、この転子は下刃の横方へ一部突出させ、上刃
が前記転子の接点に接した状態で、下刃の先端部
の反りと転子とで上刃と下刃の間に一定の間〓を
有せしめられて構成した封書の開封機構を備えた
カツターを提供し、封書の開封すべき縁部を上刃
に突き当てるだけで開封個所の切断すべき量の設
定を無意識的で極く自然な操作で、しかも素早い
動作により、容易簡単に位置決めし、そして上刃
の切断操作によつて開封個所を1mm乃至1.5mmの
範囲で切断することのできるようにしたものであ
る。 The present invention has been made in view of the above points, and is formed by making the tip of the lower blade protrude outward from the base plate, and bending the tip at a predetermined angle in the direction opposite to the base plate. The upper blade is elastically pivoted at the tip of the lower blade, and the base end of the upper blade is formed to extend and protrude outward from the base plate, and the trochanter is pivoted on the side surface of the base plate. This trochanter is partially protruded to the side of the lower blade, and with the upper blade in contact with the contact point of the trochanter, the curvature of the tip of the lower blade and the trochanter cause the upper and lower blades to separate. To provide a cutter equipped with an envelope opening mechanism configured with a certain distance in between, and to set the amount to be cut at the opening point simply by abutting the edge of the envelope to be opened against the upper blade. It is an unconscious and extremely natural operation that allows for quick and easy positioning, and the cutting operation of the upper blade makes it possible to cut the opening part in the range of 1 mm to 1.5 mm. be.
[問題点を解決するための手段]
以下図面によつて本考案実施の一例を説明す
ると、1は台板、2は台板の一側に沿つて固着設
置された下刃、3は台板1の外方へ突出された下
刃2の先端部、4は前記下刃2の先端部3で枢軸
5により枢着された上刃、6は枢軸5に挿着され
て上刃4を下刃2に弾圧的に枢着するコイルバ
ネ、7は上刃4に連接されたハンドル部、8は上
刃4の降下位置を規制するためのストツパーを
夫々示す。[Means for Solving the Problems] An example of the implementation of the present invention will be explained below with reference to the drawings. 1 is a base plate, 2 is a lower blade fixedly installed along one side of the base plate, and 3 is a base plate. 1, the tip of the lower blade 2 protrudes outward; 4, the tip 3 of the lower blade 2; and 4, the upper blade pivoted by a pivot 5; A coil spring is elastically pivoted to the blade 2, 7 is a handle connected to the upper blade 4, and 8 is a stopper for regulating the lowering position of the upper blade 4.
本考案においては、前記下刃2の先端部3を台
板1と反対する方向へ所定角度の反り9を設けて
形成し、前記上刃4の基端部10を台板1の外方
へ延長突出させて形成し、台板1の基端側の側面
11に転子12を枢着設置し、この転子12は下
刃2の横方へ一部突出させ、前記上刃4が前記転
子12の接点13に接した状態で、前記上刃4は
前記下刃2の先端部3の反り9と転子12の接点
13により前記下刃2に平行して前記上刃4と前
記下刃2の間に一定の間〓14を有せしめること
により構成する。 In the present invention, the tip 3 of the lower blade 2 is formed with a predetermined curvature 9 in the direction opposite to the base plate 1, and the base end 10 of the upper blade 4 is bent outward of the base plate 1. A trochanter 12 is pivotally installed on the side surface 11 on the proximal side of the base plate 1, and the trochanter 12 partially protrudes laterally of the lower blade 2, and the upper blade 4 In a state in which the upper blade 4 is in contact with the contact point 13 of the trochanter 12, the upper blade 4 is parallel to the lower blade 2 due to the curvature 9 of the tip 3 of the lower blade 2 and the contact point 13 of the trochanter 12. It is constructed by providing a certain distance 14 between the lower blades 2.
尚、前記ストツパー8は前記転子12の下部に
位置し且前記上刃4の上縁14が前記下刃2の上
縁、即ち、台板1の上面より上方に突出するよう
位置に固定設置し、上刃4の基端部10が転子1
2の接点13に係合すると共に上刃4の上縁15
が下刃2の上方に突出して段違いとなる位置に規
制せしめるようにする。 The stopper 8 is located below the trochanter 12 and is fixedly installed at a position such that the upper edge 14 of the upper blade 4 protrudes above the upper edge of the lower blade 2, that is, the upper surface of the base plate 1. The base end 10 of the upper blade 4 is located at the trochanter 1.
2 and the upper edge 15 of the upper blade 4.
protrudes above the lower blade 2 and is restricted to a position where the lower blade 2 is at a different level.
[作用]
本考案は上記のような構成であるから、下刃2
の先端部3に備える反り9の先端と転子12の接
点13とは下刃2に対して所定の間隔、例えば、
1mm又は15mmの間隔を置いて平行するように設定
することにより、前記上刃4が前記転子12の接
点13に接した状態で、前記上刃4は前記下刃2
の先端部3の反り9と転子12の接点13により
前記下刃2に平行して前記上刃4と前記下刃2の
間に一定の間〓14が有せしめられる。そして、
前記転子12は回転自在に設置されているので、
上刃4を降下させた際に、転子12の回転により
上刃4を転子12の接点13の位置に円滑に且確
実に案内し、下刃2と上刃4との間に所定の間〓
14を無意識的で極く自然な操作で、且つ素早い
操作で正確に確保することができる。[Function] Since the present invention has the above configuration, the lower blade 2
The contact point 13 of the trochanter 12 and the tip of the curvature 9 provided in the tip portion 3 of the blade is at a predetermined distance from the lower blade 2, e.g.
By setting the upper blade 4 parallel to the lower blade 2 with an interval of 1 mm or 15 mm, the upper blade 4 is in contact with the contact point 13 of the trochanter 12.
Due to the curvature 9 of the tip 3 and the contact point 13 of the trochanter 12, a certain distance 14 is provided between the upper blade 4 and the lower blade 2 parallel to the lower blade 2. and,
Since the trochanter 12 is rotatably installed,
When the upper blade 4 is lowered, the rotation of the trochanter 12 smoothly and reliably guides the upper blade 4 to the contact point 13 of the trochanter 12, and a predetermined gap is formed between the lower blade 2 and the upper blade 4. Between
14 can be accurately secured by an unconscious and extremely natural operation and also by a quick operation.
そこで、封書を開封する場合に、上刃4を降下
させて上刃4の基端部10が転子12の接点13
に係合して下刃2に平行位置した状態において、
封書18を台板1の上に置き、そして、開封すべ
き縁部19を上刃4へ移動させると、縁部19は
上刃4の上縁15に突き当たり、封書18の開封
切断のための位置決めを容易簡単に設定すること
ができ、そして封書18の開封側の縁部19は下
刃2の外側へ間〓14に相当する寸法分のみを突
き出し、そこで上刃4を通常の切断操作せしめる
ことにより封書18の開封側の縁部19は間〓1
4へ突き出した部分のみが切り落とされて封書1
8の中に入つている書類を傷めることなく開封す
ることができる。 Therefore, when opening a sealed letter, the upper blade 4 is lowered so that the base end 10 of the upper blade 4 touches the contact point 13 of the trochanter 12.
In the state where it is engaged with and positioned parallel to the lower blade 2,
When the sealed letter 18 is placed on the base plate 1 and the edge 19 to be opened is moved to the upper blade 4, the edge 19 hits the upper edge 15 of the upper blade 4, and the sealed letter 18 is opened and cut. Positioning can be easily and easily set, and the edge 19 on the opening side of the sealed letter 18 protrudes to the outside of the lower blade 2 by a distance corresponding to the distance 14, and the upper blade 4 is then used for normal cutting operations. Therefore, the edge 19 on the opening side of the envelope 18 has a gap of 1
Only the part that protrudes into 4 is cut off, making envelope 1.
8 can be opened without damaging the documents inside.
また、上刃4は下刃2に弾圧的に枢着されてい
るので、下刃2の先端部3の反り9にさまたげら
れることなく切り降ろす際に上刃4の刃部は確実
に下刃2の刃部と係合して切断作用させることが
できる。 In addition, since the upper blade 4 is pivoted elastically to the lower blade 2, when cutting down without being hindered by the warp 9 of the tip 3 of the lower blade 2, the blade part of the upper blade 4 is securely connected to the lower blade. It can engage with the blade portion of No. 2 to perform a cutting action.
[考案の効果]
従つて本考案は、下刃に先端部に備える反りと
転子の接点部とで、下刃と上刃との間に一定間隔
の間〓を確保し、しかも、転子の回転により、上
刃を円滑に且確実に転子の接点位置に係合位置さ
せることができ、それ故に下刃と上刃との間〓を
無意識的で極く自然な操作で、且つ素早い操作で
も正確に設定保持し、封書の開封に際し、開封個
所の寸法取り及び位置決めを容易簡単且正確にな
し、その結果、封書の開封操作が極めて迅速且簡
便となり、更には、開封縁部を僅か1mm乃至1.5
mm程の切断をも容易且確実に行なうことができる
等の利点がある。[Effects of the invention] Therefore, the present invention secures a certain distance between the lower blade and the upper blade by using the curvature provided at the tip of the lower blade and the contact point of the trochanter, and furthermore, the trochanter By the rotation of It maintains accurate settings during operation, and when opening an envelope, the dimensions and positioning of the opening point are made easy, simple, and accurate. 1mm to 1.5
It has the advantage of being able to easily and reliably cut even millimeter-sized cuts.
図は本考案に係るもので、第1図は斜視図、第
2図は上刃を下刃に並列位置させて示す平面図、
第3図は上刃を下刃に並列位置させた状態をハン
ドル部を除いて示す側面図、第4図は上刃を下刃
に並列位置させた状態の要部を拡大して示す平面
図、第5図は従来のカツターの要部の平面図、第
6図はその要部の側面図である。
1……台板、2……下刃、3……先端部、4…
…上刃、9……反り、10……基端部、11……
側面、12……転子、13……接点、14……間
〓。
The figures relate to the present invention; Fig. 1 is a perspective view, Fig. 2 is a plan view showing the upper blade positioned parallel to the lower blade;
Figure 3 is a side view showing the upper blade positioned parallel to the lower blade, excluding the handle, and Figure 4 is an enlarged plan view showing the main parts of the upper blade positioned parallel to the lower blade. , FIG. 5 is a plan view of the main parts of a conventional cutter, and FIG. 6 is a side view of the main parts. 1... Base plate, 2... Lower blade, 3... Tip, 4...
...Top blade, 9...Curvature, 10...Proximal end, 11...
Side, 12...trochanter, 13...contact, 14...between.
Claims (1)
の外方へ突出する先端部を台板と反対する方向へ
所定角度の反りを設けて形成し、上刃は前記下刃
の先端部で弾圧的に枢着すると共に上刃の基端側
を台板の外方へ延長突出させてなるカツターにお
いて、台板の基端側の側面に転子を枢着し、この
転子は下刃の横方へ一部突出させ、上刃が前記転
子の接点に接した状態で上刃が下刃に平行して上
刃と下刃との間に一定の間〓が有せしめられて構
成した封書の開封機構を備えたカツター。 The lower blade, which is fixedly installed along one side of the base plate, has a tip that protrudes outward from the base plate and is curved at a predetermined angle in the direction opposite to the base plate, and the upper blade is attached to the lower blade. In a cutter that is pivoted elastically at the tip and has the proximal end of the upper blade extended and protruded outward from the base plate, a trochanter is pivotally attached to the side surface of the proximal side of the base plate, and the trochanter is The lower blade partially protrudes laterally, and with the upper blade in contact with the contact point of the trochanter, the upper blade is parallel to the lower blade, with a certain distance between the upper blade and the lower blade. A cutter equipped with a mechanism for opening sealed letters.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987124453U JPH0435114Y2 (en) | 1987-08-14 | 1987-08-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987124453U JPH0435114Y2 (en) | 1987-08-14 | 1987-08-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6430191U JPS6430191U (en) | 1989-02-23 |
JPH0435114Y2 true JPH0435114Y2 (en) | 1992-08-20 |
Family
ID=31374198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987124453U Expired JPH0435114Y2 (en) | 1987-08-14 | 1987-08-14 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0435114Y2 (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6066494U (en) * | 1983-10-07 | 1985-05-11 | 有限会社太田精機製作所 | A cutter with a mechanism for opening sealed letters |
-
1987
- 1987-08-14 JP JP1987124453U patent/JPH0435114Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6430191U (en) | 1989-02-23 |
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