JP6043978B2 - 2-stage 2-hole puncher - Google Patents
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- JP6043978B2 JP6043978B2 JP2012171470A JP2012171470A JP6043978B2 JP 6043978 B2 JP6043978 B2 JP 6043978B2 JP 2012171470 A JP2012171470 A JP 2012171470A JP 2012171470 A JP2012171470 A JP 2012171470A JP 6043978 B2 JP6043978 B2 JP 6043978B2
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本発明は、用紙の一辺の中央に２孔を容易に位置決めして穿孔できる、２段式２孔パンチ器に関するものである。 The present invention relates to a two-stage two-hole puncher that can easily position and punch two holes in the center of one side of a sheet.
従来、２孔用孔開けパンチ器で用紙の一辺の中央部分に孔を開ける時は、パンチ器本体に内蔵したガイドを引き出して用紙に当てて中心位置を割り出すか、用紙を二つ折りして用紙の中心にできた折り痕を該孔開けパンチ器の中心位置に合わせて孔を開けていた。また、孔開けパンチ器に内蔵した二つのガイドが連動して用紙を挟み、中心位置を決めることができる孔開けパンチ（特許文献４、特許文献５）も知られている。 Conventionally, when making a hole in the center of one side of a sheet with a 2-hole punching machine, pull out the guide built in the punch body and place it on the sheet to determine the center position, or fold the sheet in half A hole was made by aligning the crease formed at the center of the hole with the center position of the punching punch. There are also known punching punches (
そのために、次のような問題点があった。
（イ）用紙辺の中心位置を決める為に孔開けパンチ器本体からガイドを引き出すと、構造的に大きくなり扱いにくい。
（ロ）中心位置を決める為のガイドを引き出す操作と、用紙をセットして穿孔する操作の二つの異なる作業があり煩わしい。
（ハ）用紙辺の中心位置を出す為に、用紙を二つ折りする作業が孔開け作業と連続せず作業効率が悪い。
本発明は、以上の問題点を解決しようとするものである。Therefore, there are the following problems.
(A) If the guide is pulled out from the punch punch body to determine the center position of the paper side, the structure becomes large and difficult to handle.
(B) There are two different operations, that is, an operation of pulling out a guide for determining the center position and an operation of setting and punching paper, which are troublesome.
(C) Since the center position of the paper side is obtained, the work of folding the paper in half is not continuous with the punching work, and the work efficiency is poor.
The present invention is intended to solve the above problems.
用紙に線状の圧迫痕を付ける押付刃を２孔用孔開けパンチ器に設け、該パンチ器本体に基準点を設けて該圧迫痕と位置を合わせると、パンチ軸刃が用紙辺の中央から等距離に二つ のパンチ孔を穿孔することができることを特徴とする２段式２孔パンチである。When a pressing blade for applying a linear compression mark to the paper is provided in the punching machine for two holes, and a reference point is provided on the punch body and aligned with the compression mark, the punch shaft blade is moved from the center of the paper side. A two-stage two-hole punch characterized in that two punch holes can be drilled at equal distances .
その結果、次の効果がある。
（イ）躯体がコンパクトになり扱いやすい。
（ロ）用紙の挿入とレバー操作で孔の位置決めと孔開けができ、作業効率が良い。As a result, there are the following effects.
(I) The housing is compact and easy to handle.
(B) The hole can be positioned and drilled by inserting the paper and operating the lever, and the work efficiency is good.
以下、本発明の実施の形態について説明する。
（イ）図１及び図２に示すように２孔パンチ器（１）のベース（２）上面に一定の間隔で２個のパンチ孔（１２）を設ける。
（ロ）図１及び図２に示すように２個のパンチ孔（１２）の上にフレーム（３）をそれぞれ止着し、フレーム（３）の中に支点ピン（５）を取り付け、該支点ピン５）でフレーム（３）と繋がった回動可能なレバー（４）を該フレーム（３）の上部に設置する。レバー（４）は支点ピン（５）に装着したバネ（７）で常時上方に付勢している。それぞれのフレーム（３）に設置されたレバー（４）は後方で繋がり一体となっている。
（ハ）図２に示すようにフレーム（３）内にはレバー（４）と軸ピン（６）で繋がったパンチ軸刃（１３）を垂直に設け、更に二つあるパンチ軸刃（１３）のうちの一つのパンチ軸刃（１３）に押付刃（１４）を水平に止着する。レバー（４）の圧下に連動して降下するパンチ軸刃（１３）と共に押付刃（１４）も降下し、図６に示すようにパンチ軸刃（１３）の最下点で押付刃（１４）がフレーム（３）の底部に設置した押付台（１５）に設けた溝（１６）に収まるように設置する。
（ニ）図１及び図２に示すようにバネ（７）の付勢力で常時上方に保持されるレバー（４）に連動して、押付刃（１４）も常時上方に引き上げられ押付台（１５）との間に一定の間隔が開いている。該間隔と同位置にフレーム（３）の正面から側面の一部に至ってフレーム（３）を水平に切り欠き、用紙（１７）がフレーム（３）の外から挿入できるよう基準痕用紙挿入部（８）を設ける。
（ホ）図２に示すように切り欠いた基準痕用紙挿入部（８）の開口部の高さは、挿入した用紙（１７）が押付刃（１４）に当たって損傷しないよう押付刃（１４）と押付台（１５）の間隔よりも狭くする。
（ヘ）図１に示すようにフレーム（３）を切り欠いて基準痕用紙挿入部（８）を設ける際、二つのフレーム（３）のうち押付刃（１４）を中に設けていないフレーム（３）の外側の側壁を一か所切り欠かずに残し、突当たり部（１１）とする。
（ト）図１及び図２に示すようにベース（２）とフレーム（３）の間の一部に用紙（１７）を挿入する為の空間を設け穿孔用紙挿入部（９）とする。
（チ）図２に示すようにレバー（４）と軸ピン（６）で繋がったパンチ軸刃（１３）は、レバー（４）の圧下に連動して降下し、ベース（２）のパンチ孔（１２）に垂直に嵌入するよう設置する。
（リ）図８及び図１２に示すように、穿孔用紙挿入部（９）の最奥部のベース（２）上面で２個のパンチ軸刃（１３）の中央に中心基準点（２０）を表示し、該中心基準点（２０）から該穿孔用紙挿入部（９）の最奥部に沿って横並びで突き当たり部（１１）側に向かって短辺基準点（２２）と長辺基準点（２１）を表示する。
（ヌ）上記（リ）の長辺基準点（２１）と中心基準点（２０）の間隔は、２孔パンチ器（１）で扱う紙の寸法の規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８に基づいた紙の規格長辺寸法の２分の１の長さから図５に示すように押付刃（１４）の刃から突き当たり部（１１）までの基準寸法（２３）を差し引いた長さとし、該長さを長辺中心寸法（２４）とする。
（ル）上記（リ）の短辺基準点（２２）と中心基準点（２０）の間隔は、２孔パンチ器（１）で扱う紙の寸法の規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８に基づいた紙の規格短辺寸法の２分の１の長さから図５に示すように押付刃（１４）の刃から突き当たり部（１１）までの基準寸法（２３）を差し引いた長さとし、該長さを短辺中心寸法（２５）とする。
（オ）紙の寸法の規格はＩＳＯ２１６、ＪＩＳ規格のＰ０１３８の他にレターサイズがあり、紙の規格長辺寸法及び規格短辺寸法は該規格に基づくものとする。例としてＡ４用紙の長辺の近似値は２９７ｍｍ、短辺の近似値は２１０ｍｍ。Ｂ５用紙の長辺の近似値は２５７ｍｍ、短辺の近似値は１８２ｍｍである。
本発明は以上のような構造である。
本発明を利用するときは、図９に示すように用紙（１７）の長辺（１８）の中央に二つの孔（２８）を穿孔する場合、図３に示すように用紙（１７）の長辺（１８）を奥にして基準痕用紙挿入部（８）に該用紙（１７）を挿入する。該用紙（１７）の片方の短辺（１９）は突当たり部（１１）に押し当てて用紙（１７）を揃える。次に図４及び図５に示すようにレバー（４）を圧下して連動するパンチ軸刃（１３）に水平に止着した押付刃（１４）を降下させ、用紙（１７）に押しつけると押付刃（１４）と押付台（１５）に挟まれた用紙（１７）が圧迫されて押付刃（１４）に接触した最上部の用紙（１７）に線状の圧迫痕が付く。図７に示すように該用紙（１７）の長辺（１８）に付いた線状の圧迫痕を基準痕（１０）とする。この際、用紙（１７）を損傷しない程度に押付刃（１４）の刃先は丸めておく。図６に示すように基準痕用紙挿入部（８）に挿入する用紙（１７）が１枚もしくは２枚で、用紙（１７）に弾力が無く圧迫痕が付かない場合は、押付刃（１４）を最下点まで降下させて押付台（１５）に設けた溝（１６）の中まで該押付刃（１４）を降下させると該押付刃（１４）と該溝（１６）に挟まれた該用紙（１７）に折り曲げによる線状の基準痕（１０）を付けることができる。図５に示すように突当たり部（１１）と押付刃（１４）との間の長さを基準寸法（２３）とするので押付刃（１４）が用紙（１７）の長辺（１８）に基準痕（１０）を付けた結果、図７に示すように用紙（１７）の長辺（１８）に付いた該基準痕（１０）は短辺（１９）と平行に形成され、該基準痕（１０）と該短辺（１９）の間隔が基準寸法（２３）となる。基準寸法（２３）は２孔パンチ器（１）固有の寸法となり、以後の二つの孔（２８）の位置決めにおいて基本の長さとして利用する。次に図８に示すように用紙（１７）を穿孔する為に該用紙（１７）を穿孔用紙挿入部（９）に挿入する際は、基準痕（１０）の付いた長辺（１８）を奥にして挿入する。その際該用紙（１７）の長辺（１８）に付いた基準痕（１０）と該穿孔用紙挿入部（９）の最奥部に表示された長辺基準点（２１）の位置を一致させる。図８に示すようにベース（２）に表示される該長辺基準点（２１）と中心基準点（２０）との位置関係は、２孔パンチ器（１）で扱う用紙（１７）を想定して該当する紙の寸法規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８の寸法に基づき、紙の規格長辺寸法の２分の１を算出し、該規格長辺寸法の２分の１から図５に示す基準寸法（２３）を差し引いた残りの長さを長辺中心寸法（２４）として長辺基準点（２１）と中心基準点（２０）の間隔とする。したがって図８に示すように上記の想定に該当した用紙（１７）の長辺（１８）の基準痕（１０）とベース（２）に表示された長辺基準点（２１）の位置を一致させると、用紙（１７）の基準痕（１０）から長辺（１８）の中心に向かって長辺中心寸法（２４）の長さの位置が用紙（１７）の長辺（１８）の２分の１の位置であり且つ長辺（１８）の中心位置となる。故にベース（２）に表示された長辺基準点（２１）から長辺中心寸法（２４）の間隔の位置に表示された中心基準点（２０）と用紙の長辺（１８）の中心位置が一致することになる。更に図５に示すようにベース（２）の中心基準点（２０）は二つのパンチ軸刃（１３）の中心に位置するので、用紙（１７）の長辺（１８）の基準痕（１０）とベース（２）に表示された長辺基準点（２１）の位置を一致させて、レバー（４）を圧下し、二つのパンチ軸刃（１３）を降下させると、図９に示すように二つの孔（２８）が用紙（１７）の長辺（１８）の中央から等距離の位置に自動的に穿孔することができる。
図１３に示すように用紙（１７）の短辺（１９）の中央に二つの孔（２８）を穿孔する場合も長辺（１８）に穿孔する場合と同様に図１０に示すように用紙（１７）の短辺（１９）を奥にして基準痕用紙挿入部（８）に該用紙（１７）を挿入する。該用紙（１７）の片方の長辺（１８）は突当たり部（１１）に押し当てて揃える。次に図４及び図５に示すようにレバー（４）を圧下して連動するパンチ軸刃（１３）に水平に止着した押付刃（１４）を降下させ、用紙（１７）に押しつけると押付刃（１４）と押付台（１５）に挟まれた用紙（１７）が圧迫されて押付刃（１４）に接触した最上部の用紙（１７）に線状の圧迫痕が付く。図１１に示すように該用紙（１７）の短辺（１９）に付いた線状の圧迫痕を基準痕（１０）とする。図５に示すように突当たり部（１１）と押付刃（１４）の刃との間の長さを基準寸法（２３）とするので押付刃（１４）が用紙（１７）の短辺（１９）に基準痕（１０）を付けた結果、図１１に示すように用紙（１７）の短辺（１９）に付いた該基準痕（１０）は長辺（１８）と平行に形成され、該基準痕（１０）と該長辺（１８）の間隔が基準寸法（２３）となる。次に図１２に示すように用紙（１７）を穿孔する為に該用紙（１７）を穿孔用紙挿入部（９）に挿入する際は、基準痕（１０）の付いた短辺（１９）を奥にして挿入する。その際該用紙（１７）の短辺（１９）に付いた基準痕（１０）と該穿孔用紙挿入部（９）の最奥部に表示された短辺基準点（２２）の位置を一致させる。図１２に示すようにベース（２）に表示される該短辺基準点（２２）と中心基準点（２０）との位置関係は、２孔パンチ器（１）で扱う用紙（１７）を想定して該当する紙の寸法規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８の寸法に基づき、紙の規格短辺寸法の２分の１を算出し、該規格短辺寸法の２分の１から図５に示す基準寸法（２３）を差し引いた残りの長さを短辺中心寸法（２５）として短辺基準点（２２）と中心基準点（２０）の間隔とする。したがって図１２に示すように上記の想定に該当した用紙（１７）の短辺（１９）の基準痕（１０）とベース（２）に表示された短辺基準点（２２）の位置を一致させると、用紙（１７）の基準痕（１０）から短辺（１９）の中心に向かって短辺中心寸法（２５）の長さの位置が用紙（１７）の短辺（１９）の２分の１の位置であり且つ短辺（１９）の中心位置となる。故にベース（２）に表示された短辺基準点（２２）から短辺中心寸法（２５）の間隔の位置に表示された中心基準点（２０）と用紙の短辺（１９）の中心位置が一致することになる。更に図５に示すようにベース（２）の中心基準点（２０）は二つのパンチ軸刃（１３）の中心に位置するので、用紙（１７）の短辺（１９）の基準痕（１０）とベース（２）に表示された短辺基準点（２２）の位置を一致させて、レバー（４）を圧下し、二つのパンチ軸刃（１３）を降下させると、図１３に示すように二つの孔（２８）が用紙（１７）の短辺（１９）の中央から等距離の位置に自動的に穿孔することができる。Embodiments of the present invention will be described below.
(A) As shown in FIGS. 1 and 2, two punch holes (12) are provided at regular intervals on the upper surface of the base (2) of the two-hole punch machine (1).
(B) As shown in FIGS. 1 and 2, the frame (3) is fixed on the two punch holes (12), and the fulcrum pin (5) is attached to the frame (3). A pivotable lever (4) connected to the frame (3) by a pin 5) is installed on the top of the frame (3). The lever (4) is always biased upward by a spring (7) attached to the fulcrum pin (5). The levers (4) installed in the respective frames (3) are connected at the rear and are integrated.
(C) As shown in FIG. 2, a punch shaft blade (13) connected by a lever (4) and a shaft pin (6) is provided vertically in the frame (3), and two punch shaft blades (13) are provided. The pressing blade (14) is fixed horizontally to one of the punch shaft blades (13). The pressing blade (14) is also lowered together with the punch shaft blade (13) that descends in conjunction with the pressure of the lever (4), and the pressing blade (14) at the lowest point of the punch shaft blade (13) as shown in FIG. Is placed in a groove (16) provided in a pressing table (15) installed at the bottom of the frame (3).
(D) As shown in FIGS. 1 and 2, the pressing blade (14) is always lifted upward in conjunction with the lever (4) always held upward by the urging force of the spring (7). ) With a certain gap. The frame (3) is cut out horizontally from the front of the frame (3) to a part of the side surface at the same position as the interval, so that the paper (17) can be inserted from the outside of the frame (3). 8) is provided.
(E) As shown in FIG. 2, the height of the opening of the reference mark paper insertion portion (8) notched is such that the inserted paper (17) hits the pressing blade (14) and is not damaged. It is made narrower than the interval between the pressing tables (15).
(F) As shown in FIG. 1, when the frame (3) is cut out to provide the reference mark paper insertion portion (8), the frame (3) that does not have the pressing blade (14) in the two frames (3) ( The outer side wall of 3) is left without being cut out at one place, and is defined as a bump (11).
(G) As shown in FIG. 1 and FIG. 2, a space for inserting the paper (17) is provided in a part between the base (2) and the frame (3) to form the punched paper insertion portion (9).
(H) As shown in FIG. 2, the punch shaft blade (13) connected by the lever (4) and the shaft pin (6) descends in conjunction with the pressure of the lever (4), and the punch hole of the base (2) (12) Install so as to fit vertically.
(R) As shown in FIGS. 8 and 12, the center reference point (20) is set at the center of the two punch shaft blades (13) on the upper surface of the base (2) at the innermost part of the punched paper insertion portion (9). The short side reference point (22) and the long side reference point (22) are arranged side by side along the innermost part of the punched paper insertion portion (9) from the center reference point (20) toward the abutting portion (11). 21) is displayed.
(N) The distance between the long side reference point (21) and the center reference point (20) in (i) above is based on ISO 216, which is a standard for the size of paper handled by the two-hole punch device (1), and JIS standard P0138. The length obtained by subtracting the reference dimension (23) from the blade of the pressing blade (14) to the abutting portion (11) as shown in FIG. Is the long side center dimension (24).
(L) The distance between the short side reference point (22) and the center reference point (20) in (i) above is based on ISO 216, which is a standard for the size of paper handled by the two-hole punch device (1), and JIS standard P0138. The length obtained by subtracting the reference dimension (23) from the blade of the pressing blade (14) to the abutting portion (11) as shown in FIG. Is the short side center dimension (25).
(E) In addition to ISO 216 and JIS standard P0138, the standard of paper dimensions is letter size. The standard long side dimension and standard short side dimension of paper are based on the standard. As an example, the approximate value of the long side of A4 paper is 297 mm, and the approximate value of the short side is 210 mm. The approximate value of the long side of B5 paper is 257 mm, and the approximate value of the short side is 182 mm.
The present invention has the above structure.
When the present invention is used, when two holes (28) are drilled in the center of the long side (18) of the paper (17) as shown in FIG. 9, the length of the paper (17) is shown in FIG. The paper (17) is inserted into the reference mark paper insertion portion (8) with the side (18) at the back. One short side (19) of the paper (17) is pressed against the abutting part (11) to align the paper (17). Next, as shown in FIGS. 4 and 5, the lever (4) is squeezed down to lower the pressing blade (14) horizontally secured to the interlocking punch shaft blade (13) and press against the paper (17). The sheet (17) sandwiched between the blade (14) and the pressing table (15) is pressed, and a linear compression mark is attached to the uppermost sheet (17) in contact with the pressing blade (14). As shown in FIG. 7, a linear compression mark on the long side (18) of the paper (17) is defined as a reference mark (10). At this time, the cutting edge of the pressing blade (14) is rounded so as not to damage the paper (17). As shown in FIG. 6, when one or two sheets (17) are inserted into the reference mark sheet insertion section (8) and the sheet (17) is not elastic and does not have a compression mark, the pressing blade (14) Is lowered to the lowest point and the pressing blade (14) is lowered into the groove (16) provided in the pressing table (15), and the pressing blade (14) and the groove (16) sandwiched between the pressing blade (14) and the groove (16). A linear reference mark (10) can be attached to the paper (17) by bending. As shown in FIG. 5, since the length between the abutting portion (11) and the pressing blade (14) is set as the reference dimension (23), the pressing blade (14) is placed on the long side (18) of the paper (17). As a result of adding the reference mark (10), as shown in FIG. 7, the reference mark (10) attached to the long side (18) of the paper (17) is formed in parallel with the short side (19). The distance between (10) and the short side (19) is the reference dimension (23). The reference dimension (23) is a dimension unique to the two-hole puncher (1), and is used as a basic length in the subsequent positioning of the two holes (28). Next, when inserting the paper (17) into the punched paper insertion portion (9) to punch the paper (17) as shown in FIG. 8, the long side (18) with the reference mark (10) is inserted. Insert it in the back. At that time, the reference mark (10) on the long side (18) of the paper (17) and the position of the long side reference point (21) displayed at the innermost part of the punched paper insertion portion (9) are matched. . As shown in FIG. 8, the positional relationship between the long side reference point (21) and the center reference point (20) displayed on the base (2) is assumed to be a sheet (17) handled by the two-hole punch device (1). Then, based on the dimensions of ISO 216 and JIS standard P0138, which are dimensional standards of the corresponding paper, one half of the standard long side dimension of the paper is calculated, and the one half of the standard long side dimension is shown in FIG. The remaining length obtained by subtracting the reference dimension (23) is defined as the distance between the long side reference point (21) and the center reference point (20) as the long side center dimension (24). Therefore, as shown in FIG. 8, the position of the reference mark (10) on the long side (18) of the paper (17) corresponding to the above assumption is matched with the position of the long side reference point (21) displayed on the base (2). The position of the length of the long side center dimension (24) from the reference mark (10) of the paper (17) toward the center of the long side (18) is half of the long side (18) of the paper (17). 1 and the center position of the long side (18). Therefore, the center position of the center reference point (20) displayed at the interval of the long side center dimension (24) from the long side reference point (21) displayed on the base (2) and the center position of the long side (18) of the sheet is Will match. Further, as shown in FIG. 5, since the center reference point (20) of the base (2) is located at the center of the two punch shaft blades (13), the reference mark (10) on the long side (18) of the paper (17). When the position of the long side reference point (21) displayed on the base (2) is matched, the lever (4) is pressed down, and the two punch shaft blades (13) are lowered, as shown in FIG. Two holes (28) can be automatically punched at a position equidistant from the center of the long side (18) of the paper (17).
As shown in FIG. 13, when the two holes (28) are drilled at the center of the short side (19) of the paper (17), the paper ( The paper (17) is inserted into the reference mark paper insertion portion (8) with the short side (19) of 17) in the back. One long side (18) of the paper (17) is pressed and aligned with the abutting portion (11). Next, as shown in FIGS. 4 and 5, the lever (4) is squeezed down to lower the pressing blade (14) horizontally secured to the interlocking punch shaft blade (13) and press against the paper (17). The sheet (17) sandwiched between the blade (14) and the pressing table (15) is pressed, and a linear compression mark is attached to the uppermost sheet (17) in contact with the pressing blade (14). As shown in FIG. 11, a linear compression mark on the short side (19) of the paper (17) is defined as a reference mark (10). As shown in FIG. 5, since the length between the abutting portion (11) and the blade of the pressing blade (14) is the reference dimension (23), the pressing blade (14) is the short side (19) of the paper (17). ), The reference mark (10) on the short side (19) of the paper (17) is formed in parallel with the long side (18) as shown in FIG. The distance between the reference mark (10) and the long side (18) becomes the reference dimension (23). Next, as shown in FIG. 12, when inserting the paper (17) into the punched paper insertion portion (9) to punch the paper (17), the short side (19) with the reference mark (10) is inserted. Insert it in the back. At that time, the reference mark (10) on the short side (19) of the paper (17) and the position of the short side reference point (22) displayed at the innermost part of the punched paper insertion portion (9) are matched. . As shown in FIG. 12, the positional relationship between the short side reference point (22) and the center reference point (20) displayed on the base (2) is assumed to be the paper (17) handled by the two-hole punch device (1). Then, one half of the standard short side dimension of the paper is calculated on the basis of the dimension of ISO 216 or JIS standard P0138 which is the dimensional standard of the corresponding paper, and the one half of the standard short side dimension is shown in FIG. The remaining length after subtracting the reference dimension (23) is defined as the distance between the short side reference point (22) and the center reference point (20) as the short side center dimension (25). Accordingly, as shown in FIG. 12, the position of the reference mark (10) on the short side (19) of the paper (17) corresponding to the above assumption and the position of the short side reference point (22) displayed on the base (2) are matched. And the position of the length of the short side center dimension (25) from the reference mark (10) of the paper (17) toward the center of the short side (19) is a half of the short side (19) of the paper (17). 1 and the center position of the short side (19). Therefore, the center position of the center reference point (20) displayed at the position of the short side center dimension (25) from the short side reference point (22) displayed on the base (2) and the short side (19) of the sheet is the center position. Will match. Further, as shown in FIG. 5, since the center reference point (20) of the base (2) is located at the center of the two punch shaft blades (13), the reference mark (10) on the short side (19) of the paper (17). When the position of the short side reference point (22) displayed on the base (2) is matched, the lever (4) is pressed down and the two punch shaft blades (13) are lowered, as shown in FIG. The two holes (28) can be automatically punched at a position equidistant from the center of the short side (19) of the paper (17).
以下、本発明の第２実施の形態について説明する。
（イ）図１４及び図１５に示すように２孔パンチ器（１）のベース（２）上面に一定の間隔で２個のパンチ孔（１２）を設ける。
（ロ）図１４及び図１５に示すように２個のパンチ孔（１２）の上にフレーム（３）をそれぞれ止着し、フレーム（３）の中に支点ピン（５）を取り付け、該支点ピン（５）でフレーム（３）と繋がった回動可能なレバー（４）を該フレーム（３）の上部に設置する。それぞれのフレーム（３）に設置されたレバー（４）は後方で繋がり一体となっている。（ハ）図１５に示すようにフレーム（３）内にはレバー（４）と軸ピン（６）で繋がったパンチ軸刃（１３）を垂直に設ける。レバー（４）は該パンチ軸刃（１３）に装着したバネ（７）で常時上方に付勢し、同時にパンチ軸刃（１３）も上方に保持されている。
（ニ）図１４、図１５及び図１８に示すように二つあるレバー（４）の前部のうちのひとつのレバー（４）の前部の裏面に刃先を下向きにした押付刃（１４）を止着する。レバー（４）の先端正面から側面の一部に至ってレバー（４）上面と平行に切り欠き、用紙（１７）が外から挿入できるように基準痕用紙挿入部（８）を設ける。基準痕用紙挿入部（８）の開口部は該開口部の上端が押付刃（１４）の刃先と同位置になるよう設定する。該基準痕用紙挿入部（８）の開口部の高さは２孔パンチ器（１）が穿孔可能な用紙（１７）の最多枚数の厚みが収容できる高さとする。
（ホ）図１４に示すようにレバー（４）を切り欠き基準痕用紙挿入部（８）を設ける際、押付刃（１４）を設置していないレバー（４）の外側の側壁を一か所切り欠かずに残し、突当たり部（１１）とする。
（ヘ）図１５に示すように押付刃（１４）の直下のフレーム（３）上部に押受ピン（３０）を取り付け、フレーム（３）と該押受ピン（３０）で繋がった回動可能な押付台受（２９）を設置する。該押受台受（２９）の上面には軟質樹脂又はゴム材の押付台（１５）を貼り付ける。
（ト）図１５に示すように押付台受（２９）を貫通する押受ピン（３０）は該押付台受（２９）の中心より奥の位置に取り付けている為、該押付台受（２９）と押付台（１５）は正面の基準痕用紙挿入部（８）の入り口に向かって挿入される用紙（１７）を受ける形に傾斜している。
（チ）図１７に示すようにレバー（４）を圧下すると支点ピン（５）を中心にして回動したレバー（４）に連動した押付刃（１４）が降下し、フレーム（３）上部に取り付けた押付台（１５）に接近する。レバー（４）を最下点まで圧下させたとき押付刃（１４）が軟質樹脂又はゴム材で形成された押付台（１５）を押しつけた状態で停止するよう該押付台（１５）を設置する。この時押付ピン（３０）を中心に回動する押付台（１５）と押付台受（２９）は押付刃（１４）と平行に接触する。
（リ）図１４及び図１５に示すようにベース（２）とフレーム（３）の間の一部に用紙（１７）を挿入する為の空間を設け穿孔用紙挿入部（９）とする。
（ヌ）図１５に示すようにレバー（４）と軸ピン（６）で繋がったパンチ軸刃（１３）は、レバー（４）の圧下に連動して降下し、ベース（２）のパンチ孔（１２）に垂直に嵌入するよう設置する。
（ル）図１９及び図２１に示すように穿孔用紙挿入部（９）の最奥部のベース（２）上面で２個のパンチ軸刃（１３）の中央に中心基準点（２０）を表示し、該中心基準点（２０）から該穿孔用紙挿入部（９）の最奥部に沿って横並びで突き当たり部（１１）側に向かって短辺基準点（２２）と長辺基準点（２１）を表示する。
（オ）上記（ル）の長辺基準点（２１）と中心基準点（２０）の間隔は、２孔パンチ器（１）で扱う紙の寸法の規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８に基づいた紙の規格長辺寸法の２分の１の長さから図１８に示すように押付刃（１４）の刃から突き当たり部（１１）までの基準寸法（２３）を差し引いた長さとし、該長さを長辺中心寸法（２４）とする。
（ワ）上記（ル）の短辺基準点（２２）と中心基準点（２０）の間隔は、２孔パンチ器（１）で扱う紙の寸法の規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８に基づいた紙の規格短辺寸法の２分の１の長さから図１８に示すように押付刃（１４）の刃から突き当たり部（１１）までの基準寸法（２３）を差し引いた長さとし、該長さを短辺中心寸法（２５）とする。
本発明は以上のような構造である。
本発明を利用するときは、図９に示すように用紙（１７）の長辺（１８）の中央に二つの孔（２８）を穿孔する場合、図１６に示すように用紙（１７）の長辺（１８）を奥にして基準痕用紙挿入部（８）に該用紙（１７）を挿入する。該用紙（１７）の片方の短辺（１９）は突当たり部（１１）に押し当てて用紙（１７）を揃える。次に図１７及び図１８に示すようにレバー（４）を圧下して連動する押付刃（１４）を降下させ、該押付刃（１４）と押付台（１５）の間にある用紙（１７）に押しつけると該用紙（１７）が圧迫されて押付刃（１４）に接触した最上部の用紙（１７）に線状の圧迫痕が付く。図７に示すように該用紙（１７）の長辺（１８）に付いた線状の圧迫痕を基準痕（１０）とする。この際、用紙（１７）を損傷しない程度に押付刃（１４）の刃先は丸めておく。基準痕用紙挿入部（８）に挿入された用紙（１７）が１枚もしくは２枚で用紙（１７）に弾力が無く圧迫痕が付きにくい場合でも押付台（１５）が軟質樹脂又はゴム材で形成されていて弾力がある為、押付刃（１４）が用紙（１７）を押しつけてそのまま押付台（１５）に食い込むと容易に該用紙（１７）に基準痕（１０）をつけることができる。図１８に示すように２孔パンチ器（１）の突当たり部（１１）と押付刃（１４）の刃との間の長さを基準寸法（２３）とするので押付刃（１４）が用紙（１７）の長辺（１８）に基準痕（１０）を付けた結果、図７に示すように用紙（１７）の長辺（１８）に付いた該基準痕（１０）は短辺（１９）と平行に形成され、該基準痕（１０）と該短辺（１９）の間隔が基準寸法（２３）となる。基準寸法（２３）は２孔パンチ器（１）固有の寸法となり、以後の二つの孔の位置決めにおいて基本の長さとして利用する。次に図１９に示すように用紙（１７）を穿孔する為に該用紙（１７）を穿孔用紙挿入部（９）に挿入する際は、基準痕（１０）の付いた長辺（１８）を奥にして挿入する。その際該用紙（１７）の長辺（１８）に付いた基準痕（１０）と該穿孔用紙挿入部（９）の最奥部に表示された長辺基準点（２１）の位置を一致させる。図１９に示すようにベース（２）に表示される該長辺基準点（２１）と中心基準点（２０）との位置関係は、２孔パンチ器（１）で扱う用紙（１７）を想定して該当する紙の寸法規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８の寸法に基づき、紙の規格長辺寸法の２分の１を算出し、該規格長辺寸法の２分の１から図１８に示す基準寸法（２３）を差し引いた残りの長さを長辺中心寸法（２４）として長辺基準点（２１）と中心基準点（２０）の間隔とする。したがって図１９に示すように上記の想定に該当した用紙（１７）の長辺（１８）の基準痕（１０）とベース（２）に表示された長辺基準点（２１）の位置を一致させると、用紙（１７）の基準痕（１０）から長辺（１８）の中心に向かって長辺中心寸法（２４）の長さの位置が用紙（１７）の長辺（１８）の２分の１の位置であり且つ長辺（１８）の中心位置となる。故にベース（２）に表示された長辺基準点（２１）から長辺中心寸法（２４）の間隔の位置に表示された中心基準点（２０）と用紙の長辺（１８）の中心位置が一致することになる。更に図１８に示すようにベース（２）の中心基準点（２０）は二つのパンチ軸刃（１３）の中心に位置するので、用紙（１７）の長辺（１８）の基準痕（１０）とベース（２）に表示された長辺基準点（２１）の位置を一致させて、レバー（４）を圧下し、二つのパンチ軸刃（１３）を降下させると、図９に示すように二つの孔（２８）が用紙（１７）の長辺（１８）の中央から等距離の位置に自動的に穿孔することができる。
図１３に示すように用紙（１７）の短辺（１９）の中央に二つの孔（２８）を穿孔する場合も長辺（１８）に穿孔する場合と同様に図２０に示すように用紙（１７）の短辺（１９）を奥にして基準痕用紙挿入部（８）に該用紙（１７）を挿入する。該用紙（１７）の片方の長辺（１８）は突当たり部（１１）に押し当てて揃える。次に図１６図１７に示すようにレバー（４）を圧下して連動する押付刃（１４）を降下させ、該押付刃（１４）と押付台（１５）の間にある用紙（１７）に押しつけると該用紙（１７）が圧迫されて押付刃（１４）に接触した最上部の用紙（１７）に線状の圧迫痕が付く。図１１に示すように該用紙（１７）の短辺（１９）に付いた線状の圧迫痕を基準痕（１０）とする。図１８に示すように２孔パンチ器（１）の突当たり部（１１）と押付刃（１４）刃との間の長さを基準寸法（２３）とするので押付刃（１４）が用紙（１７）の短辺（１９）に基準痕（１０）を付けた結果、図１１に示すように用紙（１７）の短辺（１９）に付いた該基準痕（１０）は長辺（１８）と平行に形成され、該基準痕（１０）と該長辺（１８）の間隔が基準寸法（２３）となる。次に図２１に示すように用紙（１７）を穿孔する為に該用紙（１７）を穿孔用紙挿入部（９）に挿入する際は、基準痕（１０）の付いた短辺（１９）を奥にして挿入する。その際該用紙（１７）の短辺（１９）に付いた基準痕（１０）と該穿孔用紙挿入部（９）の最奥部に表示された短辺基準点（２２）の位置を一致させる。図２１に示すようにベース（２）に表示される該短辺基準点（２２）と中心基準点（２０）との位置関係は、２孔パンチ器（１）で扱う用紙（１７）を想定して該当する紙の寸法規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８の寸法に基づき、紙の規格短辺寸法の２分の１を算出し、該規格短辺寸法の２分の１から図１８に示す基準寸法（２３）を差し引いた残りの長さを短辺中心寸法（２５）として短辺基準点（２２）と中心基準点（２０）の間隔とする。したがって図２１に示すように上記の想定に該当した用紙（１７）の短辺（１９）の基準痕（１０）とベース（２）に表示された短辺基準点（２２）の位置を一致させると、用紙（１７）の基準痕（１０）から短辺（１９）の中心に向かって短辺中心寸法（２５）の長さの位置が用紙（１７）の短辺（１９）の２分の１の位置であり且つ短辺（１９）の中心位置となる。故にベース（２）に表示された短辺基準点（２２）から短辺中心寸法（２５）の間隔の位置に表示された中心基準点（２０）と用紙の短辺（１９）の中心位置が一致することになる。更に図１８に示すようにベース（２）の中心基準点（２０）は二つのパンチ軸刃（１３）の中心に位置するので、用紙（１７）の短辺（１９）の基準痕（１０）とベース（２）に表示された短辺基準点（２２）の位置を一致させて、レバー（４）を圧下し、二つのパンチ軸刃（１３）を降下させると、図１３に示すように二つの孔（２８）が用紙（１７）の短辺（１９）の中央から等距離の位置に自動的に穿孔することができる。Hereinafter, a second embodiment of the present invention will be described.
(A) As shown in FIGS. 14 and 15, two punch holes (12) are provided at regular intervals on the upper surface of the base (2) of the two-hole puncher (1).
(B) As shown in FIGS. 14 and 15, the frame (3) is fixed on the two punch holes (12), and the fulcrum pin (5) is attached to the frame (3). A rotatable lever (4) connected to the frame (3) by a pin (5) is installed on the upper part of the frame (3). The levers (4) installed in the respective frames (3) are connected at the rear and are integrated. (C) As shown in FIG. 15, a punch shaft blade (13) connected by a lever (4) and a shaft pin (6) is provided vertically in the frame (3). The lever (4) is always urged upward by a spring (7) attached to the punch shaft blade (13), and at the same time, the punch shaft blade (13) is also held upward.
(D) As shown in FIGS. 14, 15 and 18, a pressing blade (14) having a blade tip facing downward on the back surface of the front portion of one lever (4) of the front portions of the two levers (4) Fasten. A reference trace paper insertion portion (8) is provided so that the paper (17) can be inserted from the outside by cutting out in parallel with the top surface of the lever (4) from the front end of the lever (4) to a part of the side. The opening of the reference mark paper insertion portion (8) is set so that the upper end of the opening is at the same position as the cutting edge of the pressing blade (14). The height of the opening of the reference mark paper insertion portion (8) is set to a height that can accommodate the largest number of sheets (17) that can be punched by the two-hole puncher (1).
(E) As shown in FIG. 14, when the lever (4) is notched and the reference mark paper insertion portion (8) is provided, the outer side wall of the lever (4) not provided with the pressing blade (14) is provided at one place. Leave it without a notch and use it as the bump (11).
(F) As shown in FIG. 15, a pressing pin (30) is attached to the upper part of the frame (3) immediately below the pressing blade (14), and the frame (3) and the pressing pin (30) are connected to each other to be rotatable. A push pad support (29) is installed. A pressing base (15) made of a soft resin or rubber material is attached to the upper surface of the pressing base (29).
(G) As shown in FIG. 15, the pressing pin (30) penetrating the pressing base (29) is attached at a position deeper than the center of the pressing base (29). ) And the pressing table (15) are inclined to receive the paper (17) inserted toward the entrance of the front reference mark paper insertion portion (8).
(H) As shown in FIG. 17, when the lever (4) is squeezed down, the pressing blade (14) interlocked with the lever (4) rotated around the fulcrum pin (5) is lowered, and is moved to the upper part of the frame (3). Approach the attached pressing stand (15). When the lever (4) is lowered to the lowest point, the pressing blade (14) is installed so that the pressing blade (14) stops in a state of pressing the pressing table (15) formed of a soft resin or rubber material. . At this time, the pressing table (15) and the pressing table receiver (29) rotating around the pressing pin (30) are in contact with the pressing blade (14) in parallel.
(L) As shown in FIGS. 14 and 15, a space for inserting the paper (17) is provided in a part between the base (2) and the frame (3) to form the punched paper insertion portion (9).
(N) As shown in FIG. 15, the punch shaft blade (13) connected by the lever (4) and the shaft pin (6) descends in conjunction with the pressure of the lever (4), and the punch hole of the base (2) (12) Install so as to fit vertically.
(L) As shown in FIGS. 19 and 21, the center reference point (20) is displayed at the center of the two punch shaft blades (13) on the upper surface of the base (2) at the innermost part of the punched paper insertion portion (9). The short side reference point (22) and the long side reference point (21) are arranged side by side along the innermost part of the punched paper insertion portion (9) from the center reference point (20) toward the abutting portion (11). ) Is displayed.
(E) The distance between the long side reference point (21) and the center reference point (20) of (l) is based on ISO 216, which is a standard for the size of paper handled by the two-hole punch device (1), and JIS standard P0138. The length obtained by subtracting the reference dimension (23) from the blade of the pressing blade (14) to the abutting portion (11) as shown in FIG. 18 from the length of one half of the standard long side dimension of the paper. Is the long side center dimension (24).
(W) The distance between the short side reference point (22) and the center reference point (20) in (l) is based on ISO 216, which is a standard for the size of paper handled by the two-hole punch device (1), and JIS standard P0138. The length obtained by subtracting the reference dimension (23) from the blade of the pressing blade (14) to the abutting portion (11) as shown in FIG. 18 from the length of one half of the standard short side dimension of the paper. Is the short side center dimension (25).
The present invention has the above structure.
When using the present invention, when the two holes (28) are drilled in the center of the long side (18) of the paper (17) as shown in FIG. 9, the length of the paper (17) is shown in FIG. The paper (17) is inserted into the reference mark paper insertion portion (8) with the side (18) at the back. One short side (19) of the paper (17) is pressed against the abutting part (11) to align the paper (17). Next, as shown in FIGS. 17 and 18, the lever (4) is lowered to lower the interlocking pressing blade (14), and the paper (17) between the pressing blade (14) and the pressing base (15) is lowered. When pressed against the sheet, the sheet (17) is pressed and a linear compression mark is formed on the uppermost sheet (17) in contact with the pressing blade (14). As shown in FIG. 7, a linear compression mark on the long side (18) of the paper (17) is defined as a reference mark (10). At this time, the cutting edge of the pressing blade (14) is rounded so as not to damage the paper (17). Even if one or two sheets (17) are inserted into the reference mark sheet insertion portion (8) and the sheet (17) is not elastic and hardly has a compression mark, the pressing table (15) is made of a soft resin or rubber material. Since it is formed and has elasticity, if the pressing blade (14) presses the paper (17) and bites into the pressing base (15) as it is, the reference mark (10) can be easily made on the paper (17). As shown in FIG. 18, since the length between the abutting portion (11) of the two-hole puncher (1) and the blade of the pressing blade (14) is the reference dimension (23), the pressing blade (14) is paper. As a result of adding the reference mark (10) to the long side (18) of (17), the reference mark (10) attached to the long side (18) of the paper (17) is short side (19) as shown in FIG. ) And the distance between the reference mark (10) and the short side (19) is the reference dimension (23). The reference dimension (23) is a dimension unique to the two-hole puncher (1), and is used as a basic length in the subsequent positioning of the two holes. Next, as shown in FIG. 19, when inserting the paper (17) into the punched paper insertion portion (9) to punch the paper (17), the long side (18) with the reference mark (10) is inserted. Insert it in the back. At that time, the reference mark (10) on the long side (18) of the paper (17) and the position of the long side reference point (21) displayed at the innermost part of the punched paper insertion portion (9) are matched. . As shown in FIG. 19, the positional relationship between the long side reference point (21) and the center reference point (20) displayed on the base (2) is assumed to be a sheet (17) handled by the two-hole punch device (1). Then, based on the dimensions of ISO 216 and JIS standard P0138, which are dimensional standards of the corresponding paper, one half of the standard long side dimension of the paper is calculated, and the one half of the standard long side dimension is shown in FIG. The remaining length obtained by subtracting the reference dimension (23) is defined as the distance between the long side reference point (21) and the center reference point (20) as the long side center dimension (24). Therefore, as shown in FIG. 19, the position of the reference mark (10) on the long side (18) of the paper (17) corresponding to the above assumption is matched with the position of the long side reference point (21) displayed on the base (2). The position of the length of the long side center dimension (24) from the reference mark (10) of the paper (17) toward the center of the long side (18) is half of the long side (18) of the paper (17). 1 and the center position of the long side (18). Therefore, the center position of the center reference point (20) displayed at the interval of the long side center dimension (24) from the long side reference point (21) displayed on the base (2) and the center position of the long side (18) of the sheet is Will match. Further, as shown in FIG. 18, since the center reference point (20) of the base (2) is located at the center of the two punch shaft blades (13), the reference mark (10) on the long side (18) of the paper (17). When the position of the long side reference point (21) displayed on the base (2) is matched, the lever (4) is pressed down, and the two punch shaft blades (13) are lowered, as shown in FIG. Two holes (28) can be automatically punched at a position equidistant from the center of the long side (18) of the paper (17).
As shown in FIG. 13, when the two holes (28) are drilled in the center of the short side (19) of the paper (17), as shown in FIG. The paper (17) is inserted into the reference mark paper insertion portion (8) with the short side (19) of 17) in the back. One long side (18) of the paper (17) is pressed and aligned with the abutting portion (11). Next, as shown in FIG. 16 and FIG. 17, the lever (4) is lowered to lower the interlocking pressing blade (14), and the paper (17) located between the pressing blade (14) and the pressing base (15) is lowered. When pressed, the sheet (17) is compressed, and a linear compression mark is formed on the uppermost sheet (17) in contact with the pressing blade (14). As shown in FIG. 11, a linear compression mark on the short side (19) of the paper (17) is defined as a reference mark (10). As shown in FIG. 18, the length between the abutting part (11) of the two-hole puncher (1) and the pressing blade (14) is the reference dimension (23), so that the pressing blade (14) is paper ( As a result of adding the reference mark (10) to the short side (19) of 17), the reference mark (10) attached to the short side (19) of the paper (17) is long side (18) as shown in FIG. The distance between the reference mark (10) and the long side (18) is the reference dimension (23). Next, as shown in FIG. 21, when inserting the paper (17) into the punched paper insertion portion (9) in order to punch the paper (17), the short side (19) with the reference mark (10) is inserted. Insert it in the back. At that time, the reference mark (10) on the short side (19) of the paper (17) and the position of the short side reference point (22) displayed at the innermost part of the punched paper insertion portion (9) are matched. . As shown in FIG. 21, the positional relationship between the short side reference point (22) and the center reference point (20) displayed on the base (2) is assumed to be the paper (17) handled by the two-hole punch device (1). Then, based on the dimensions of ISO 216 and JIS standard P0138, which are dimensional standards of the corresponding paper, one half of the standard short side dimension of the paper is calculated, and from one half of the standard short side dimension to that shown in FIG. The remaining length after subtracting the reference dimension (23) is defined as the distance between the short side reference point (22) and the center reference point (20) as the short side center dimension (25). Therefore, as shown in FIG. 21, the position of the reference mark (10) on the short side (19) of the paper (17) corresponding to the above assumption is matched with the position of the short side reference point (22) displayed on the base (2). And the position of the length of the short side center dimension (25) from the reference mark (10) of the paper (17) toward the center of the short side (19) is a half of the short side (19) of the paper (17). 1 and the center position of the short side (19). Therefore, the center position of the center reference point (20) displayed at the position of the short side center dimension (25) from the short side reference point (22) displayed on the base (2) and the short side (19) of the sheet is the center position. Will match. Further, as shown in FIG. 18, since the center reference point (20) of the base (2) is located at the center of the two punch shaft blades (13), the reference mark (10) on the short side (19) of the paper (17). When the position of the short side reference point (22) displayed on the base (2) is matched, the lever (4) is pressed down and the two punch shaft blades (13) are lowered, as shown in FIG. The two holes (28) can be automatically punched at a position equidistant from the center of the short side (19) of the paper (17).
以下、本発明の第３実施の形態について説明する。
（イ）図２２及び図２３に示すように２孔パンチ器（１）のベース（２）上面に一定の間隔で２個のパンチ孔（１２）を設ける。
（ロ）図２４及び図２５に示すように２個のパンチ孔（１２）の上にフレーム（３）をそれぞれ止着し、フレーム（３）の中に支点ピン（５）を取り付け、該支点ピン（５）でフレーム（３）と繋がった回動可能なレバー（４）を該フレーム（３）の上部に設置する。レバー（４）は支点ピン（５）に装着したバネ（７）で常時上方に付勢している。それぞれのフレーム（３）に設置されたレバー（４）は後方で繋がり一体となっている。
（ハ）図２５に示すようにフレーム（３）内にはレバー（４）と軸ピン（６）で繋がったパンチ軸刃（１３）を垂直に設ける。図２３に示すようにパンチ軸刃（１３）はレバー（４）の圧下に連動して降下し、ベース（２）のパンチ孔（１２）に垂直に嵌入するよう設置する。
（ニ）図２２及び図２３に示すようにレバー（４）を圧下させると支点ピン（５）を中心に該レバー（４）が回動し、該レバー（４）の先端が上方に持ち上げられてフレーム（３）との間に空間が生じる。該空間を基準痕用紙挿入部（８）とする。該基準痕用紙挿入部（８）の底面には押付台（１５）を設置する。該押付台（１５）は二つのフレーム（３）の上部に橋渡しして設置し、一方の縁端は上方に垂直に折り曲げ突当たり部（１１）とする。図２６に示すように他方の縁端はフレーム（３）の側面の外側と同じ位置に切り揃える。フレーム（３）外側と位置を揃えた該縁端の上部にあるレバー（４）の内側側面に押付刃（１４）を止着する。
（ヘ）図２４及び図２５に示すようにレバー（４）の圧下を解放してバネ（７）の付勢力で該レバー（４）が上方に保持された状態になると該レバー（４）の先端に設けた基準痕用紙挿入部（８）が閉じ、押付刃（１４）も連動して降下する。該押付刃（１４）はフレーム（３）の外側面と位置を揃えた押付台（１５）の縁端をかすめて降下するよう設置する。
（ト）図２４及び図２５に示すようにベース（２）とフレーム（３）の間の一部に用紙（１７）を挿入する為の空間を設け穿孔用紙挿入部（９）とする。
（チ）図２７及び図２９に示すように穿孔用紙挿入部（９）の最奥部のベース（２）上面の２個のパンチ軸刃（１３）の中央に中心基準点（２０）を表示し、該中心基準点（２０）から該穿孔用紙挿入部（９）の最奥部に沿って横並びで突き当たり部（１１）側に向かって短辺基準点（２２）と長辺基準点（２１）を表示する。
（リ）上記（チ）の長辺基準点（２１）と中心基準点（２０）の間隔は、２孔パンチ器（１）で扱う紙の寸法の規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８に基づいた紙の規格長辺寸法の２分の１の長さから図２６に示すように押付刃（１４）の刃から突き当たり部（１１）までの基準寸法（２３）を差し引いた長さとし、該長さを長辺中心寸法（２４）とする。
（ヌ）上記（チ）の短辺基準点（２２）と中心基準点（２０）の間隔は、２孔パンチ器（１）で扱う紙の寸法の規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８に基づいた紙の規格短辺寸法の２分の１の長さから図２６に示すように押付刃（１４）の刃から突き当たり部（１１）までの基準寸法（２３）を差し引いた長さとし、該長さを短辺中心寸法（２５）とする。
本発明は以上のような構造である。
本発明を利用するときは、図９に示すように用紙（１７）の長辺（１８）の中央に二つの孔（２８）を穿孔する場合、図２２及び図２３に示すようにレバー（４）を圧下させて支点ピン（５）を中心に該レバー（４）を回動し該レバー（４）の先端を持ち上げてフレーム（３）との間に用紙（１７）を挿入できる基準痕用紙挿入部（８）を生じさせる。用紙（１７）の長辺（１８）を奥にして基準痕用紙挿入部（８）に用紙（１７）を挿入し、該用紙（１７）の片方の短辺（１９）は突当たり部（１１）に押し当てて用紙（１７）を揃える。用紙（１７）は二つのフレーム（３）にまたがる押付台（１５）の上に置かれる。次に図２４及び図２５に示すようにレバー（４）の圧下を解放してバネ（７）の付勢力で該レバー（４）が上方に保持された状態になると該レバー（４）の先端に設けた該基準痕用紙挿入部（８）が閉じ、押付刃（１４）も連動して降下する。図２５及び図２６に示すように押付台（１５）の上に置かれた用紙（１７）は、該押付台（１５）の縁端をかすめるように降下する押付刃（１４）に挟まれて剪断力が発生し押付刃（１４）に接した最上部の用紙（１７）に線状の圧迫痕が付く。図７に示すように該用紙（１７）の長辺（１８）に付いた線状の圧迫痕を基準痕（１０）とする。この際、用紙（１７）を損傷しないよう押付刃（１４）の刃先は少し丸めておく。図２６に示すように突当たり部（１１）と押付刃（１４）の刃との間の長さを基準寸法（２３）とするので押付刃（１４）が用紙（１７）の長辺（１８）に基準痕（１０）を付けた結果、図７に示すように用紙（１７）の長辺（１８）に付いた該基準痕（１０）は短辺（１９）と平行に形成され、該基準痕（１０）と該短辺（１９）の間隔が基準寸法（２３）となる。次に図２７に示すように用紙（１７）を穿孔する為に該用紙（１７）を穿孔用紙挿入部（９）に挿入する際は、基準痕（１０）の付いた長辺（１８）を奥にして挿入する。その際該用紙（１７）の長辺（１８）に付いた基準痕（１０）と該穿孔用紙挿入部（９）の最奥部に表示された長辺基準点（２１）の位置を一致させる。図２７に示すようにベース（２）に表示される該長辺基準点（２１）と中心基準点（２０）との位置関係は、２孔パンチ器（１）で扱う用紙（１７）を事前に想定して該当する紙の寸法規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８の寸法に基づき、紙の規格長辺寸法の２分の１を算出し、該規格長辺寸法の２分の１から図２６に示す基準寸法（２３）を差し引いた残りの長さを長辺中心寸法（２４）として長辺基準点（２１）と中心基準点（２０）の間隔とする。したがって図２７に示すように上記の想定に該当した用紙（１７）の長辺（１８）の基準痕（１０）とベース（２）に表示された長辺基準点（２１）の位置を一致させると、用紙（１７）の基準痕（１０）から長辺（１８）の中心に向かって長辺中心寸法（２４）の長さの位置が用紙（１７）の長辺（１８）の２分の１の位置であり且つ長辺（１８）の中心位置となる。故にベース（２）に表示された長辺基準点（２１）から長辺中心寸法（２４）の間隔の位置に表示された中心基準点（２０）と用紙の長辺（１８）の中心位置が一致することになる。更に図２６に示すようにベース（２）の中心基準点（２０）は二つのパンチ軸刃（１３）の中心に位置するので、用紙（１７）の長辺（１８）の基準痕（１０）とベース（２）に表示された長辺基準点（２１）の位置を一致させて、レバー（４）を圧下し、二つのパンチ軸刃（１３）を降下させると、図９に示すように二つの孔（２８）が用紙（１７）の長辺（１８）の中央から 等距離の位置に自動的に穿孔することができる。
図１３に示すように用紙（１７）の短辺（１９）の中央に二つの孔（２８）を穿孔せる場合も長辺（１８）に穿孔する場合と同様に図２２及び図２３に示すようにレバー（４）を圧下させて支点ピン（５）を中心に該レバー（４）を回動し該レバー（４）の先端を持ち上げてフレーム（３）との間に用紙（１７）を挿入できる基準痕用紙挿入部（８）を生じさせる。用紙（１７）の短辺（１９）を奥にして基準痕用紙挿入部（８）に用紙（１７）を挿入し、該用紙（１７）の片方の長辺（１８）は突当たり部（１１）に押し当てて用紙（１７）を揃える。用紙（１７）は二つのフレーム（３）にまたがる押付台（１５）の上に置かれる。次に図２４及び図２５に示すようにレバー（４）の圧下を解放してバネ（７）の付勢力で該レバー（４）が上方に保持された状態になると該レバー（４）の先端に設けた該基準痕用紙挿入部（８）が閉じ、押付刃（１４）も連動して降下する。図２５及び図２６に示すように押付台（１５）の上に置かれた用紙（１７）は、該押付台（１５）の縁端をかすめるように降下する押付刃（１４）に挟まれて剪断力が発生し押付刃（１４）に接した最上部の用紙（１７）に線状の圧迫痕が付く。図１１に示すように該用紙（１７）の短辺（１９）に付いた線状の圧迫痕を基準痕（１０）とする。この際、用紙（１７）を損傷しない程度に押付刃（１４）の刃先は丸めておく。図２６に示すように突当たり部（１１）と押付刃（１４）の刃との間の長さを基準寸法（２３）とするので押付刃（１４）が用紙（１７）の短辺（１９）に基準痕（１０）を付けた結果、図１１に示すように用紙（１７）の短辺（１９）に付いた該基準痕（１０）は長辺（１８）と平行に形成され、該基準痕（１０）と該長辺（１８）の間隔が基準寸法（２３）となる。次に図２９に示すように用紙（１７）を穿孔する為に該用紙（１７）を穿孔用紙挿入部（９）に挿入する際は、基準痕（１０）の付いた短辺（１９）を奥にして挿入する。その際該用紙（１７）の短辺（１９）に付いた基準痕（１０）と該穿孔用紙挿入部（９）の最奥部に表示された短辺基準点（２２）の位置を一致させる。図２９に示すようにベース（２）に表示される該短辺基準点（２２）と中心基準点（２０）との位置関係は、２孔パンチ器（１）で扱う用紙（１７）を事前に想定して該当する紙の寸法規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８の寸法に基づき、紙の規格短辺寸法の２分の１を算出し、該規格短辺寸法の２分の１から図２６に示す基準寸法（２３）を差し引いた残りの長さを短辺中心寸法（２５）として短辺基準点（２２）と中心基準点（２０）の間隔とする。したがって図３０に示すように上記の想定に該当した用紙（１７）の短辺（１９）の基準痕（１０）とベース（２）に表示された短辺基準点（２２）の位置を一致させると、用紙（１７）の基準痕（１０）から短辺（１９）の中心に向かって短辺中心寸法（２５）の長さの位置が用紙（１７）の短辺（１９）の２分の１の位置であり且つ短辺（１９）の中心位置となる。故にベース（２）に表示された短辺基準点（２２）から短辺中心寸法（２５）の間隔の位置に表示された中心基準点（２０）と用紙の短辺（１９）の中心位置が一致することになる。更に図２６に示すようにベース（２）の中心基準点（２０）は二つのパンチ軸刃（１３）の中心に位置するので、用紙（１７）の短辺（１９）の基準痕（１０）とベース（２）に表示された短辺基準点（２２）の位置を一致させて、レバー（４）を圧下し、二つのパンチ軸刃（１３）を降下させると、図１３に示すように二つの孔（２８）が用紙（１７）の短辺（１９）の中央から等距離の位置に自動的に穿孔することができる。Hereinafter, a third embodiment of the present invention will be described.
(A) As shown in FIG. 22 and FIG. 23, two punch holes (12) are provided at regular intervals on the upper surface of the base (2) of the two-hole punch machine (1).
(B) As shown in FIGS. 24 and 25, the frame (3) is fixed on the two punch holes (12), and the fulcrum pin (5) is attached to the frame (3). A rotatable lever (4) connected to the frame (3) by a pin (5) is installed on the upper part of the frame (3). The lever (4) is always biased upward by a spring (7) attached to the fulcrum pin (5). The levers (4) installed in the respective frames (3) are connected at the rear and are integrated.
(C) As shown in FIG. 25, a punch shaft blade (13) connected by a lever (4) and a shaft pin (6) is provided vertically in the frame (3). As shown in FIG. 23, the punch shaft blade (13) descends in conjunction with the pressure of the lever (4) and is installed so as to fit vertically into the punch hole (12) of the base (2).
(D) As shown in FIGS. 22 and 23, when the lever (4) is squeezed down, the lever (4) rotates about the fulcrum pin (5), and the tip of the lever (4) is lifted upward. Thus, a space is generated between the frame (3). This space is defined as a reference mark paper insertion portion (8). A pressing stand (15) is installed on the bottom surface of the reference mark paper insertion portion (8). The pressing table (15) is installed by bridging the upper part of the two frames (3), and one edge of the pressing table (15) is bent vertically upward to form a contact part (11). As shown in FIG. 26, the other edge is trimmed to the same position as the outside of the side surface of the frame (3). The pressing blade (14) is fixed to the inner side surface of the lever (4) at the upper part of the edge aligned with the outer side of the frame (3).
(F) As shown in FIGS. 24 and 25, when the lever (4) is released and the lever (4) is held upward by the urging force of the spring (7), the lever (4) The reference mark paper insertion portion (8) provided at the tip is closed, and the pressing blade (14) is also lowered. The pressing blade (14) is installed so as to be lowered by grabbing the edge of the pressing table (15) aligned with the outer surface of the frame (3).
(G) As shown in FIG. 24 and FIG. 25, a space for inserting the paper (17) is provided in a part between the base (2) and the frame (3) to form the punched paper insertion portion (9).
(H) As shown in FIGS. 27 and 29, the center reference point (20) is displayed at the center of the two punch shaft blades (13) on the upper surface of the base (2) at the innermost part of the punched paper insertion portion (9). The short side reference point (22) and the long side reference point (21) are arranged side by side along the innermost part of the punched paper insertion portion (9) from the center reference point (20) toward the abutting portion (11). ) Is displayed.
(I) The distance between the long side reference point (21) and the center reference point (20) in (i) above is based on ISO 216, which is a standard for the dimensions of paper handled by the two-hole punch device (1), and JIS standard P0138. The length obtained by subtracting the reference dimension (23) from the blade of the pressing blade (14) to the abutting portion (11) as shown in FIG. 26 from the length of one half of the standard long side dimension of the paper. Is the long side center dimension (24).
(N) The distance between the short side reference point (22) and the center reference point (20) in (H) is based on ISO 216, which is a standard for the size of paper handled by the two-hole punch device (1), and JIS standard P0138. The length obtained by subtracting the reference dimension (23) from the blade of the pressing blade (14) to the abutting portion (11) as shown in FIG. 26 from the length of one half of the standard short side dimension of the paper. Is the short side center dimension (25).
The present invention has the above structure.
When the present invention is used, when two holes (28) are drilled in the center of the long side (18) of the paper (17) as shown in FIG. 9, the lever (4) as shown in FIGS. ), The lever (4) is rotated about the fulcrum pin (5), the tip of the lever (4) is lifted, and the paper (17) can be inserted into the frame (3). An insertion part (8) is produced. The paper (17) is inserted into the reference mark paper insertion portion (8) with the long side (18) of the paper (17) in the back, and one short side (19) of the paper (17) is in contact with the abutting portion (11 ) To align the paper (17). The paper (17) is placed on a pressing table (15) straddling two frames (3). Next, as shown in FIGS. 24 and 25, when the lever (4) is released and the lever (4) is held upward by the urging force of the spring (7), the tip of the lever (4) The reference mark paper insertion portion (8) provided on the cover is closed, and the pressing blade (14) is also lowered. As shown in FIGS. 25 and 26, the paper (17) placed on the pressing table (15) is sandwiched between pressing blades (14) that descend so as to squeeze the edge of the pressing table (15). A shearing force is generated, and a linear compression mark is attached to the uppermost sheet (17) in contact with the pressing blade (14). As shown in FIG. 7, a linear compression mark on the long side (18) of the paper (17) is defined as a reference mark (10). At this time, the cutting edge of the pressing blade (14) is slightly rounded so as not to damage the paper (17). As shown in FIG. 26, since the length between the abutting portion (11) and the blade of the pressing blade (14) is the reference dimension (23), the pressing blade (14) is the long side (18) of the paper (17). ), The reference mark (10) on the long side (18) of the paper (17) is formed in parallel with the short side (19) as shown in FIG. The distance between the reference mark (10) and the short side (19) becomes the reference dimension (23). Next, as shown in FIG. 27, when inserting the paper (17) into the punched paper insertion portion (9) for punching the paper (17), the long side (18) with the reference mark (10) is inserted. Insert it in the back. At that time, the reference mark (10) on the long side (18) of the paper (17) and the position of the long side reference point (21) displayed at the innermost part of the punched paper insertion portion (9) are matched. . As shown in FIG. 27, the positional relationship between the long side reference point (21) and the center reference point (20) displayed on the base (2) is determined in advance with the paper (17) handled by the two-hole puncher (1). 26, one half of the standard long side dimension of the paper is calculated based on the size of ISO 216 and JIS standard P0138, which are dimensional standards corresponding to the paper, and from the half of the standard long side dimension to FIG. The remaining length obtained by subtracting the reference dimension (23) shown in FIG. 6 is defined as the distance between the long side reference point (21) and the center reference point (20) as the long side center dimension (24). Therefore, as shown in FIG. 27, the position of the reference mark (10) on the long side (18) of the paper (17) corresponding to the above assumption is matched with the position of the long side reference point (21) displayed on the base (2). The position of the length of the long side center dimension (24) from the reference mark (10) of the paper (17) toward the center of the long side (18) is half of the long side (18) of the paper (17). 1 and the center position of the long side (18). Therefore, the center position of the center reference point (20) displayed at the interval of the long side center dimension (24) from the long side reference point (21) displayed on the base (2) and the center position of the long side (18) of the sheet is Will match. Further, as shown in FIG. 26, since the center reference point (20) of the base (2) is located at the center of the two punch shaft blades (13), the reference mark (10) on the long side (18) of the paper (17). When the position of the long side reference point (21) displayed on the base (2) is matched, the lever (4) is pressed down, and the two punch shaft blades (13) are lowered, as shown in FIG. Two holes (28) can be automatically punched at a position equidistant from the center of the long side (18) of the paper (17).
As shown in FIG. 13, when the two holes (28) are drilled in the center of the short side (19) of the paper (17), as in the case of punching the long side (18), as shown in FIGS. The lever (4) is squeezed down to rotate the lever (4) around the fulcrum pin (5) and lift the tip of the lever (4) to insert the paper (17) between the frame (3) A possible reference mark paper insertion part (8) is generated. The paper (17) is inserted into the reference mark paper insertion portion (8) with the short side (19) of the paper (17) in the back, and one long side (18) of the paper (17) is in contact with the bump (11 ) To align the paper (17). The paper (17) is placed on a pressing table (15) straddling two frames (3). Next, as shown in FIGS. 24 and 25, when the lever (4) is released and the lever (4) is held upward by the urging force of the spring (7), the tip of the lever (4) The reference mark paper insertion portion (8) provided on the cover is closed, and the pressing blade (14) is also lowered. As shown in FIGS. 25 and 26, the paper (17) placed on the pressing table (15) is sandwiched between pressing blades (14) that descend so as to squeeze the edge of the pressing table (15). A shearing force is generated, and a linear compression mark is attached to the uppermost sheet (17) in contact with the pressing blade (14). As shown in FIG. 11, a linear compression mark on the short side (19) of the paper (17) is defined as a reference mark (10). At this time, the cutting edge of the pressing blade (14) is rounded so as not to damage the paper (17). As shown in FIG. 26, since the length between the abutting portion (11) and the blade of the pressing blade (14) is the reference dimension (23), the pressing blade (14) is the short side (19) of the paper (17). ), The reference mark (10) on the short side (19) of the paper (17) is formed in parallel with the long side (18) as shown in FIG. The distance between the reference mark (10) and the long side (18) becomes the reference dimension (23). Next, as shown in FIG. 29, when inserting the paper (17) into the punched paper inserting portion (9) to punch the paper (17), the short side (19) with the reference mark (10) is inserted. Insert it in the back. At that time, the reference mark (10) on the short side (19) of the paper (17) and the position of the short side reference point (22) displayed at the innermost part of the punched paper insertion portion (9) are matched. . As shown in FIG. 29, the positional relationship between the short side reference point (22) and the center reference point (20) displayed on the base (2) is determined in advance with the paper (17) handled by the two-hole punch device (1). 26, one half of the standard short side dimension of the paper is calculated based on the dimensions of ISO 216 and JIS standard P0138, which are the dimensional standards of paper corresponding to the above, and from the half of the standard short side dimension to FIG. The remaining length obtained by subtracting the reference dimension (23) shown in FIG. 5 is defined as the distance between the short side reference point (22) and the center reference point (20), with the short side center dimension (25). Therefore, as shown in FIG. 30, the position of the reference mark (10) on the short side (19) of the paper (17) corresponding to the above assumption matches the position of the short side reference point (22) displayed on the base (2). And the position of the length of the short side center dimension (25) from the reference mark (10) of the paper (17) toward the center of the short side (19) is a half of the short side (19) of the paper (17). 1 and the center position of the short side (19). Therefore, the center position of the center reference point (20) displayed at the position of the short side center dimension (25) from the short side reference point (22) displayed on the base (2) and the short side (19) of the sheet is the center position. Will match. Further, as shown in FIG. 26, since the center reference point (20) of the base (2) is located at the center of the two punch shaft blades (13), the reference mark (10) on the short side (19) of the paper (17). When the position of the short side reference point (22) displayed on the base (2) is matched, the lever (4) is pressed down and the two punch shaft blades (13) are lowered, as shown in FIG. The two holes (28) can be automatically punched at a position equidistant from the center of the short side (19) of the paper (17).
以下、本発明の第４実施の形態について説明する。
（イ）図３１及び図３２に示すように２孔パンチ器（１）のベース（２）上面に一定の間隔で２個のパンチ孔（１２）を設ける。
（ロ）図３１及び図３２に示すように２個のパンチ孔（１２）の上にフレーム（３）をそれぞれ止着し、フレーム（３）の中に支点ピン（５）を取り付け、フレーム（３）と該支点ピン（５）で繋がった回動可能なレバー（４）を該フレーム（３）の上部に設置する。それぞれのフレーム（３）に設置された二つのレバー（４）は後方で繋がり一体となっている。
（ハ）図３２に示すようにフレーム（３）内にはレバー（４）と軸ピン（６）で繋がったパンチ軸刃（１３）を垂直に設置する。レバー（４）は該パンチ軸刃（１３）に装着したバネ（７）で常時上方に付勢し、同時にパンチ軸刃（１３）も上方に保持されている。
（ニ）図３２に示すようにレバー（４）と軸ピン（６）で繋がったパンチ軸刃（１３）は、レバー（４）の圧下に連動して降下しベース（２）のパンチ孔（１２）に垂直に嵌入するよう設置する。
（ホ）図３０に示すように２孔パンチ器（１）本体の最下部に設置されている樹脂製の屑受カバー（３１）の底の裏面の正面側の片方の隅に押付刃（１４）を下向きに設け、他方の正面の隅には用紙（１７）を差し込む空間を設ける。
（ヘ）図３０及び図３３に示すように上記（ホ）の押付刃（１４）と向かい合わせに該押付刃（１４）と同じ幅の突当たり部（１１）を設け、該突当たり部（１１）の奥に屑受カバー（３１）の正面縁端と平行に正面突当たり部（３３）を一定の長さで設け、該突当たり部（１１）と該正面突当たり部（３３）の底面に用紙（１７）を乗せる用紙受台（３２）を水平に設ける。上記（ホ）の空間は、該突当たり部（１１）と該正面突当たり部（３３）と該用紙受台（３２）の間にできたコの字型の空間で基準痕用紙挿入部（８）とする。
（ト）図３０及び図３１に示すように基準痕用紙挿入部（８）の空間の高さは２孔パンチ器（１）が穿孔可能な用紙（１７）の最多枚数の厚みが収納できる高さとする。
（チ）図３０及び図３２に示すように屑受カバー（３１）の底の裏面から下に突き出た押付刃（１４）の高さと基準痕用紙挿入部（８）の構成部分の高さを一致させる。又２孔パンチ器（２）の水平を保つ為屑受カバー（３１）の底の裏面奥の二つの隅にも該高さと同じ高さの脚部（３４）を設ける。
（リ）図３２に示すようにベース（２）とフレーム（３）の間の一部に用紙（１７）を挿入する為の空間を設け、穿孔用紙挿入部（９）とする。
（ヌ）図３５及び図３７に示すように、穿孔用紙挿入部（９）の最奥部のベース（２）上面で２個のパンチ軸刃（１３）の中央に中心基準点（２０）を表示し、該中心基準点（２０）から該穿孔用紙挿入部（９）の最奥部に沿って横並びで突き当たり部（１１）側に向かって短辺基準点（２２）と長辺基準点（２１）を表示する。
（ル）上記（ヌ）の長辺基準点（２１）と中心基準点（２０）の間隔は、２孔パンチ器（１）で扱う紙の寸法の規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８に基づいた紙の規格長辺寸法の２分の１の長さから図３１に示すように押付刃（１４）の刃から突き当たり部（１１）までの基準寸法（２３）を差し引いた長さとし、該長さを長辺中心寸法（２４）とする。
（オ）上記（ヌ）の短辺基準点（２２）と中心基準点（２０）の間隔は、２孔パンチ器（１）で扱う紙の寸法の規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８に基づいた紙の規格短辺寸法の２分の１の長さから図３１に示すように押付刃（１４）の刃から突き当たり部（１１）までの基準寸法（２３）を差し引いた長さとし、該長さを短辺中心寸法（２５）とする。
本発明は以上のような構造である。
本発明を利用するときは、図９に示すように用紙（１７）の長辺（１８）の中央に二つの孔（２８）を穿孔する場合、図３１及び３４に示すように用紙（１７）の長辺（１８）を奥にして基準痕用紙挿入部（８）に用紙を挿入する。該用紙（１７）の長辺（１８）は正面突当たり部（３３）に押し当てて屑受カバー（３１）の縁端と平行に揃え、片方の短辺（１９）は突当たり部（１１）に押し当てて用紙（１７）を揃える。２孔パンチ器（１）を机上に置いた場合、図３１及び図３４に示すように用紙（１７）を基準痕用紙挿入部（８）に挿入すると同時に該用紙（１７）は押付刃（１４）の下になり、押付刃（１４）と机に挟まれた状態になる。この時２孔パンチ器（１）全体を人が体重をかけて上から圧迫すると押付刃（１４）が用紙（１７）の長辺（１８）に線状の圧迫痕を付ける。この際押付刃（１４）が用紙（１７）を損傷しないよう押付刃（１４）の刃先は丸めておく。図３１に示すように突当たり部（１１）と押付刃（１４）との間の長さを基準寸法（２３）とするので押付刃（１４）が用紙（１７）の長辺（１８）に基準痕（１０）を付けた結果、図７に示すように用紙（１７）の長辺（１８）に付いた該基準痕（１０）は短辺（１９）と平行に形成され、該基準痕（１０）と該短辺（１９）の間隔が基準寸法（２３）となる。基準寸法（２３）は２孔パンチ器（１）固有の寸法となり、以後の二つの孔（２８）の位置決めにおいて基本の長さとして利用する。次に図３５に示すように用紙（１７）を穿孔する為に該用紙（１７）を穿孔用紙挿入部（９）に挿入する際は、基準痕（１０）の付いた長辺（１８）を奥にして挿入する。その際該用紙（１７）の長辺（１８）に付いた基準痕（１０）と該穿孔用紙挿入部（９）の最奥部に表示された長辺基準点（２１）の位置を一致させる。図３５に示すようにベース（２）に表示される該長辺基準点（２１）と中心基準点（２０）との位置関係は、２孔パンチ器（１）で扱う用紙（１７）を想定して該当する紙の寸法規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８の寸法に基づき、紙の規格長辺寸法の２分の１を算出し、該規格長辺寸法の２分の１から図３１に示す基準寸法（２３）を差し引いた残りの長さを長辺中心寸法（２４）として長辺基準点（２１）と中心基準点（２０）の間隔とする。したがって図３５に示すように上記の想定に該当した用紙（１７）の長辺（１８）の基準痕（１０）とベース（２）に表示された長辺基準点（２１）の位置を一致させると、用紙（１７）の基準痕（１０）から長辺（１８）の中心に向かって長辺中心寸法（２４）の長さの位置が用紙（１７）の長辺（１８）の２分の１の位置であり且つ長辺（１８）の中心位置となる。故にベース（２）に表示された長辺基準点（２１）から長辺中心寸法（２４）の間隔の位置に表示された中心基準点（２０）と用紙の長辺（１８）の中心位置が一致することになる。更に図３５に示すようにベース（２）の中心基準点（２０）は二つのパンチ軸刃（１３）の中心に位置するので、用紙（１７）の長辺（１８）の基準痕（１０）とベース（２）に表示された長辺基準点（２１）の位置を一致させて、レバー（４）を圧下し、二つのパンチ軸刃（１３）を降下させると、図９に示すように二つの孔（２８）が用紙（１７）の長辺（１８）の中央から等距離の位置に自動的に穿孔することができる。
図１３に示すように用紙（１７）の短辺（１９）の中央に二つの孔（２８）を穿孔する場合も長辺（１８）に穿孔する場合と同様に、図３１及び図３６に示すように用紙（１７）の短辺（１９）を奥にして基準痕用紙挿入部（８）に用紙を挿入する。該用紙（１７）の短辺（１９）は正面突当たり部（３３）に押し当てて屑受カバー（３１）の縁端と平行に揃え、片方の長辺（１８）は突当たり部（１１）に押し当てて用紙（１７）を揃える。２孔パンチ器（１）を机上に置いた場合、図３１及び図３６に示すように用紙（１７）を基準痕用紙挿入部（８）に挿入すると同時に該用紙（１７）は押付刃（１４）の下になり、押付刃（１４）と机に挟まれた状態になる。この時２孔パンチ器（１）全体を人が体重をかけて上から圧迫すると押付刃（１４）が用紙（１７）の短辺（１９）に線状の圧迫痕を付ける。この際押付刃（１４）が用紙（１７）を損傷しないよう押付刃（１４）の刃先は丸めておく。図３１に示すように突当たり部（１１）と押付刃（１４）との間の長さを基準寸法（２３）とするので押付刃（１４）が用紙（１７）の短辺（１９）に基準痕（１０）を付けた結果、図１１に示すように用紙（１７）の短辺（１９）に付いた該基準痕（１０）は長辺（１８）と平行に形成され、該基準痕（１０）と該長辺（１８）の間隔が基準寸法（２３）となる。基準寸法（２３）は２孔パンチ器（１）固有の寸法となり、以後の二つの孔（２８）の位置決めにおいて基本の長さとして利用する。次に図３７に示すように用紙（１７）を穿孔する為に該用紙（１７）を穿孔用紙挿入部（９）に挿入する際は、基準痕（１０）の付いた短辺（１９）を奥にして挿入する。その際該用紙（１７）の短辺（１９）に付いた基準痕（１０）と該穿孔用紙挿入部（９）の最奥部に表示された短辺基準点（２２）の位置を一致させる。図３７に示すようにベース（２）に表示される該短辺基準点（２２）と中心基準点（２０）との位置関係は、２孔パンチ器（１）で扱う用紙（１７）を想定して該当する紙の寸法規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８の寸法に基づき、紙の規格長辺寸法の２分の１を算出し、該規格長辺寸法の２分の１から図３１に示す基準寸法（２３）を差し引いた残りの長さを短辺中心寸法（２５）として短辺基準点（２２）と中心基準点（２０）の間隔とする。したがって図３７に示すように上記の想定に該当した用紙（１７）の短辺（１９）の基準痕（１０）とベース（２）に表示された短辺基準点（２２）の位置を一致させると、用紙（１７）の基準痕（１０）から短辺（１９）の中心に向かって短辺中心寸法（２５）の長さの位置が用紙（１７）の短辺（１９）の２分の１の位置であり且つ短辺（１９）の中心位置となる。故にベース（２）に表示された短辺基準点（２２）から短辺中心寸法（２５）の間隔の位置に表示された中心基準点（２０）と用紙の短辺（１９）の中心位置が一致することになる。更に図３７に示すようにベース（２）の中心基準点（２０）は二つのパンチ軸刃（１３）の中心に位置するので、用紙（１７）の短辺（１９）の基準痕（１０）とベース（２）に表示された短辺基準点（２２）の位置を一致させて、レバー（４）を圧下し、二つのパンチ軸刃（１３）を降下させると、図１３に示すように二つの孔（２８）が用紙（１７）の短辺（１９）の中央から等距離の位置に自動的に穿孔することができる。Hereinafter, a fourth embodiment of the present invention will be described.
(A) As shown in FIGS. 31 and 32, two punch holes (12) are provided at regular intervals on the upper surface of the base (2) of the two-hole puncher (1).
(B) As shown in FIGS. 31 and 32, the frame (3) is fixed on the two punch holes (12), the fulcrum pin (5) is attached to the frame (3), and the frame ( A rotatable lever (4) connected by 3) and the fulcrum pin (5) is installed on the upper part of the frame (3). The two levers (4) installed in each frame (3) are connected at the rear and integrated.
(C) As shown in FIG. 32, the punch shaft blade (13) connected by the lever (4) and the shaft pin (6) is vertically installed in the frame (3). The lever (4) is always urged upward by a spring (7) attached to the punch shaft blade (13), and at the same time, the punch shaft blade (13) is also held upward.
(D) As shown in FIG. 32, the punch shaft blade (13) connected by the lever (4) and the shaft pin (6) descends in conjunction with the pressure of the lever (4), and the punch hole ( 12) Install vertically.
(E) As shown in FIG. 30, a two-hole puncher (1) a pressing blade (14 at one corner on the front side of the back surface of the bottom of the resin waste receiving cover (31) installed at the bottom of the main body ) Is provided downward, and a space for inserting the paper (17) is provided at the other front corner.
(F) As shown in FIGS. 30 and 33, a bumping portion (11) having the same width as that of the pressing blade (14) is provided facing the pressing blade (14) of the above (e), and the bumping portion ( 11), a front abutting portion (33) is provided at a certain length in parallel with the front edge of the scrap receiving cover (31), and the abutting portion (11) and the front abutting portion (33) A paper tray (32) for placing the paper (17) on the bottom is provided horizontally. The space (e) is a U-shaped space formed between the abutting portion (11), the front abutting portion (33), and the sheet receiving base (32). 8).
(G) As shown in FIGS. 30 and 31, the height of the space of the reference mark paper insertion portion (8) is high enough to accommodate the thickness of the largest number of sheets (17) that can be punched by the two-hole punch device (1). Say it.
(H) As shown in FIGS. 30 and 32, the height of the pressing blade (14) protruding downward from the bottom rear surface of the scrap receiving cover (31) and the height of the component part of the reference mark paper insertion portion (8) are set. Match. Further, in order to keep the two-hole puncher (2) horizontal, legs (34) having the same height are provided at two corners at the back of the bottom of the scrap receiving cover (31).
(L) As shown in FIG. 32, a space for inserting the paper (17) is provided in a part between the base (2) and the frame (3) to form a punched paper insertion portion (9).
(N) As shown in FIGS. 35 and 37, the center reference point (20) is set at the center of the two punch shaft blades (13) on the upper surface of the base (2) at the innermost part of the punched paper insertion portion (9). The short side reference point (22) and the long side reference point (22) are arranged side by side along the innermost part of the punched paper insertion portion (9) from the center reference point (20) toward the abutting portion (11). 21) is displayed.
(L) The distance between the long side reference point (21) and the center reference point (20) in (N) is based on ISO 216, which is a standard for the size of paper handled by the two-hole punch device (1), and JIS standard P0138. The length obtained by subtracting the reference dimension (23) from the blade of the pressing blade (14) to the abutting portion (11) as shown in FIG. 31 from the length of one half of the standard long side dimension of the paper. Is the long side center dimension (24).
(E) The interval between the short side reference point (22) and the center reference point (20) in (n) above is based on ISO 216, which is a standard for the size of paper handled by the two-hole punch device (1), and JIS standard P0138. The length obtained by subtracting the reference dimension (23) from the blade of the pressing blade (14) to the abutting portion (11) as shown in FIG. 31 from the length of one half of the standard short side dimension of the paper. Is the short side center dimension (25).
The present invention has the above structure.
When using the present invention, when two holes (28) are drilled in the center of the long side (18) of the paper (17) as shown in FIG. 9, the paper (17) as shown in FIGS. The paper is inserted into the reference mark paper insertion portion (8) with the long side (18) of the paper as the back. The long side (18) of the paper (17) is pressed against the front abutting portion (33) and aligned in parallel with the edge of the dust receiving cover (31), and one short side (19) is the abutting portion (11 ) To align the paper (17). When the two-hole punch device (1) is placed on the desk, as shown in FIGS. 31 and 34, the paper (17) is inserted into the reference mark paper insertion portion (8) and simultaneously the paper (17) is pressed against the pressing blade (14 ) And is sandwiched between the pressing blade (14) and the desk. At this time, when a person puts weight on the entire two-hole punch device (1) and presses it from above, the pressing blade (14) makes a linear compression mark on the long side (18) of the paper (17). At this time, the cutting edge of the pressing blade (14) is rounded so that the pressing blade (14) does not damage the paper (17). As shown in FIG. 31, the length between the abutting portion (11) and the pressing blade (14) is set as the reference dimension (23), so the pressing blade (14) is placed on the long side (18) of the paper (17). As a result of adding the reference mark (10), as shown in FIG. 7, the reference mark (10) attached to the long side (18) of the paper (17) is formed in parallel with the short side (19). The distance between (10) and the short side (19) is the reference dimension (23). The reference dimension (23) is a dimension unique to the two-hole puncher (1), and is used as a basic length in the subsequent positioning of the two holes (28). Next, as shown in FIG. 35, when inserting the paper (17) into the punched paper insertion portion (9) to punch the paper (17), the long side (18) with the reference mark (10) is inserted. Insert it in the back. At that time, the reference mark (10) on the long side (18) of the paper (17) and the position of the long side reference point (21) displayed at the innermost part of the punched paper insertion portion (9) are matched. . As shown in FIG. 35, the positional relationship between the long side reference point (21) and the center reference point (20) displayed on the base (2) is assumed to be a sheet (17) handled by the two-hole punch device (1). Then, based on the dimensions of ISO 216 and JIS standard P0138, which are the dimensional standards of the corresponding paper, one half of the standard long side dimension of the paper is calculated, and the one half of the standard long side dimension is shown in FIG. The remaining length obtained by subtracting the reference dimension (23) is defined as the distance between the long side reference point (21) and the center reference point (20) as the long side center dimension (24). Therefore, as shown in FIG. 35, the reference mark (10) of the long side (18) of the paper (17) corresponding to the above assumption is matched with the position of the long side reference point (21) displayed on the base (2). The position of the length of the long side center dimension (24) from the reference mark (10) of the paper (17) toward the center of the long side (18) is half of the long side (18) of the paper (17). 1 and the center position of the long side (18). Therefore, the center position of the center reference point (20) displayed at the interval of the long side center dimension (24) from the long side reference point (21) displayed on the base (2) and the center position of the long side (18) of the sheet is Will match. Furthermore, as shown in FIG. 35, since the center reference point (20) of the base (2) is located at the center of the two punch shaft blades (13), the reference mark (10) on the long side (18) of the paper (17). When the position of the long side reference point (21) displayed on the base (2) is matched, the lever (4) is pressed down, and the two punch shaft blades (13) are lowered, as shown in FIG. Two holes (28) can be automatically punched at a position equidistant from the center of the long side (18) of the paper (17).
As shown in FIG. 13, when two holes (28) are punched in the center of the short side (19) of the paper (17), as in the case of punching in the long side (18), as shown in FIGS. In this manner, the paper is inserted into the reference mark paper insertion portion (8) with the short side (19) of the paper (17) in the back. The short side (19) of the paper (17) is pressed against the front abutting portion (33) and aligned in parallel with the edge of the scrap receiving cover (31), and one long side (18) is the abutting portion (11 ) To align the paper (17). When the two-hole punch device (1) is placed on the desk, as shown in FIGS. 31 and 36, the paper (17) is inserted into the reference mark paper insertion portion (8) and simultaneously the paper (17) is pressed against the pressing blade (14 ) And is sandwiched between the pressing blade (14) and the desk. At this time, when a person presses the whole two-hole puncher (1) from above with a weight, the pressing blade (14) makes a linear compression mark on the short side (19) of the paper (17). At this time, the cutting edge of the pressing blade (14) is rounded so that the pressing blade (14) does not damage the paper (17). As shown in FIG. 31, since the length between the abutting portion (11) and the pressing blade (14) is set as the reference dimension (23), the pressing blade (14) is placed on the short side (19) of the paper (17). As a result of adding the reference mark (10), the reference mark (10) attached to the short side (19) of the paper (17) is formed in parallel with the long side (18) as shown in FIG. The distance between (10) and the long side (18) is the reference dimension (23). The reference dimension (23) is a dimension unique to the two-hole puncher (1), and is used as a basic length in the subsequent positioning of the two holes (28). Next, as shown in FIG. 37, when inserting the paper (17) into the punched paper insertion portion (9) to punch the paper (17), the short side (19) with the reference mark (10) is inserted. Insert it in the back. At that time, the reference mark (10) on the short side (19) of the paper (17) and the position of the short side reference point (22) displayed at the innermost part of the punched paper insertion portion (9) are matched. . As shown in FIG. 37, the positional relationship between the short side reference point (22) and the center reference point (20) displayed on the base (2) is assumed to be the paper (17) handled by the two-hole punch device (1). Then, based on the dimensions of ISO 216 and JIS standard P0138, which are the dimensional standards of the corresponding paper, one half of the standard long side dimension of the paper is calculated, and the one half of the standard long side dimension is shown in FIG. The remaining length after subtracting the reference dimension (23) is defined as the distance between the short side reference point (22) and the center reference point (20) as the short side center dimension (25). Therefore, as shown in FIG. 37, the position of the reference mark (10) on the short side (19) of the paper (17) corresponding to the above assumption is matched with the position of the short side reference point (22) displayed on the base (2). And the position of the length of the short side center dimension (25) from the reference mark (10) of the paper (17) toward the center of the short side (19) is a half of the short side (19) of the paper (17). 1 and the center position of the short side (19). Therefore, the center position of the center reference point (20) displayed at the position of the short side center dimension (25) from the short side reference point (22) displayed on the base (2) and the short side (19) of the sheet is the center position. Will match. Further, as shown in FIG. 37, since the center reference point (20) of the base (2) is located at the center of the two punch shaft blades (13), the reference mark (10) on the short side (19) of the paper (17). When the position of the short side reference point (22) displayed on the base (2) is matched, the lever (4) is pressed down and the two punch shaft blades (13) are lowered, as shown in FIG. The two holes (28) can be automatically punched at a position equidistant from the center of the short side (19) of the paper (17).
以下、本発明の実施の形態について説明する。
（イ）図３８及び図３９に示すように２孔パンチ器（１）のベース（２）上面に一定の間隔で２個のパンチ孔（１２）を設ける。
（ロ）図３８及び図３９に示すように２個のパンチ孔（１２）の上にフレーム（３）をそれぞれ止着し、フレーム（３）の中に支点ピン（５）を取り付け、該支点ピン（５）でフレーム（３）と繋がった回動可能なレバー（４）を該フレーム（３）の上部に設置する。レバー（４）は支点ピン（５）に装着したバネ（７）で常時上方に付勢している。それぞれのフレーム（３）に設置されたレバー（４）は後方で繋がり一体となっている。
（ハ）図３９に示すようにフレーム（３）内にはレバー（４）と軸ピン（６）で繋がったパンチ軸刃（１３）を垂直に設け、更に二つあるパンチ軸刃（１３）のうちの一つのパンチ軸刃（１３）に押付刃（１４）を水平に止着する。レバー（４）の圧下に連動して降下するパンチ軸刃（１３）と共に押付刃（１４）も降下し、図４３に示すようにパンチ軸刃（１３）の最下点で押付刃（１４）がフレーム（３）の底部に設置した押付台（１５）に設けた溝（１６）に収まるように設置する。
（ニ）図３８及び図３９に示すようにバネ（７）の付勢力で常時上方に保持されるレバー（４）に連動して、押付刃（１４）も常時上方に引き上げられ押付台（１５）との間に一定の間隔が開いている。該間隔と同位置にフレーム（３）の正面から側面の一部に至ってフレーム（３）を水平に切り欠き、用紙（１７）がフレーム（３）の外から挿入できるよう基準痕用紙挿入部（８）を設ける。
（ホ）図３９に示すように切り欠いた基準痕用紙挿入部（８）の開口部の高さは、挿入した用紙（１７）が押付刃（１４）に当たって損傷しないよう押付刃（１４）と押付台（１５）の間隔よりも狭くする。
（ヘ）上記（ハ）の押付台（１５）は図３８に示すように二つのフレーム（３）の底部に橋渡しして設置し、二つの基準痕用紙挿入部（８）の底面を形成する。該押付台（１５）の一方の縁端は上方に折り曲げて突当たり部（１１）とし、該突当たり部（１１）は二つのフレーム（３）のうち押付刃（１４）を中に設けていないフレーム（３）の外側の側壁の外に張り出して設置する。他方の縁端はフレーム（３）の側面の外側と同じ位置に切りそろえる。
（ト）図３８及び図３９に示すようにベース（２）とフレーム（３）の間の一部に用紙（１７）を挿入する為の空間を設け穿孔用紙挿入部（９）とする。
（チ）図３９に示すようにレバー（４）と軸ピン（６）で繋がったパンチ軸刃（１３）は、レバー（４）の圧下に連動して降下し、ベース（２）のパンチ孔（１２）に垂直に嵌入するよう設置する。
（リ）図４４及び図４６に示すように、穿孔用紙挿入部（９）の最奥部のベース（２）上面で２個のパンチ軸刃（１３）の中央に中心基準点（２０）を表示し、該中心基準点（２０）から該穿孔用紙挿入部（９）の最奥部に沿って横並びで突き当たり部（１１）側に向かって短辺基準点（２２）と長辺基準点（２１）を表示する。
（ヌ）上記（リ）の長辺基準点（２１）と中心基準点（２０）の間隔は、２孔パンチ器（１）で扱う紙の寸法の規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８に基づいた紙の規格長辺寸法の２分の１の長さから図４２に示すように押付刃（１４）の刃から突き当たり部（１１）までの基準寸法（２３）を差し引いた長さとし、該長さを長辺中心寸法（２４）とする。
（ル）上記（リ）の短辺基準点（２２）と中心基準点（２０）の間隔は、２孔パンチ器（１）で扱う紙の寸法の規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８に基づいた紙の規格短辺寸法の２分の１の長さから図４２に示すように押付刃（１４）の刃から突き当たり部（１１）までの基準寸法（２３）を差し引いた長さとし、該長さを短辺中心寸法（２５）とする。
本発明は以上のような構造である。
本発明を利用するときは、図９に示すように用紙（１７）の長辺（１８）の中央に二つの孔（２８）を穿孔する場合、図４０に示すように用紙（１７）の長辺（１８）を奥にして基準痕用紙挿入部（８）に該用紙（１７）を挿入する。該用紙（１７）の片方の短辺（１９）は突当たり部（１１）に押し当てて用紙（１７）を揃える。次に図４１及び図４２に示すようにレバー（４）を圧下して連動するパンチ軸刃（１３）に水平に止着した押付刃（１４）を降下させ、用紙（１７）に押しつけると押付刃（１４）と押付台（１５）に挟まれた用紙（１７）が圧迫されて押付刃（１４）に接触した最上部の用紙（１７）に線状の圧迫痕が付く。図７に示すように該用紙（１７）の長辺（１８）に付いた線状の圧迫痕を基準痕（１０）とする。この際、用紙（１７）を損傷しない程度に押付刃（１４）の刃先は丸めておく。図４３に示すように基準痕用紙挿入部（８）に挿入する用紙（１７）が１枚もしくは２枚で、用紙（１７）に弾力が無く圧迫痕が付かない場合は、押付刃（１４）を最下点まで降下させて押付台（１５）に設けた溝（１６）の中まで該押付刃（１４）を降下させると該押付刃（１４）と該溝（１６）に挟まれた該用紙（１７）に折り曲げによる線状の基準痕（１０）を付けることができる。図４２に示すように突当たり部（１１）と押付刃（１４）との間の長さを基準寸法（２３）とするので押付刃（１４）が用紙（１７）の長辺（１８）に基準痕（１０）を付けた結果、図７に示すように用紙（１７）の長辺（１８）に付いた該基準痕（１０）は短辺（１９）と平行に形成され、該基準痕（１０）と該短辺（１９）の間隔が基準寸法（２３）となる。基準寸法（２３）は２孔パンチ器（１）固有の寸法となり、以後の二つの孔（２８）の位置決めにおいて基本の長さとして利用する。次に図４４に示すように用紙（１７）を穿孔する為に該用紙（１７）を穿孔用紙挿入部（９）に挿入する際は、基準痕（１０）の付いた長辺（１８）を奥にして挿入する。その際該用紙（１７）の長辺（１８）に付いた基準痕（１０）と該穿孔用紙挿入部（９）の最奥部に表示された長辺基準点（２１）の位置を一致させる。図４４に示すようにベース（２）に表示される該長辺基準点（２１）と中心基準点（２０）との位置関係は、２孔パンチ器（１）で扱う用紙（１７）を想定して該当する紙の寸法規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８の寸法に基づき、紙の規格長辺寸法の２分の１を算出し、該規格長辺寸法の２分の１から図４２に示す基準寸法（２３）を差し引いた残りの長さを長辺中心寸法（２４）として長辺基準点（２１）と中心基準点（２０）の間隔とする。したがって図４４に示すように上記の想定に該当した用紙（１７）の長辺（１８）の基準痕（１０）とベース（２）に表示された長辺基準点（２１）の位置を一致させると、用紙（１７）の基準痕（１０）から長辺（１８）の中心に向かって長辺中心寸法（２４）の長さの位置が用紙（１７）の長辺（１８）の２分の１の位置であり且つ長辺（１８）の中心位置となる。故にベース（２）に表示された長辺基準点（２１）から長辺中心寸法（２４）の間隔の位置に表示された中心基準点（２０）と用紙の長辺（１８）の中心位置が一致することになる。更に図４２に示すようにベース（２）の中心基準点（２０）は二つのパンチ軸刃（１３）の中心に位置するので、用紙（１７）の長辺（１８）の基準痕（１０）とベース（２）に表示された長辺基準点（２１）の位置を一致させて、レバー（４）を圧下し、二つのパンチ軸刃（１３）を降下させると、図９に示すように二つの孔（２８）が用紙（１７）の長辺（１８）の中央から等距離の位置に自動的に穿孔することができる。
図１３に示すように用紙（１７）の短辺（１９）の中央に二つの孔（２８）を穿孔する場合も長辺（１８）に穿孔する場合と同様に図４５に示すように用紙（１７）の短辺（１９）を奥にして基準痕用紙挿入部（８）に該用紙（１７）を挿入する。該用紙（１７）の片方の長辺（１８）は突当たり部（１１）に押し当てて揃える。次に図４１及び図４２に示すようにレバー（４）を圧下して連動するパンチ軸刃（１３）に水平に止着した押付刃（１４）を降下させ、用紙（１７）に押しつけると押付刃（１４）と押付台（１５）に挟まれた用紙（１７）が圧迫されて押付刃（１４）に接触した最上部の用紙（１７）に線状の圧迫痕が付く。図１１に示すように該用紙（１７）の短辺（１９）に付いた線状の圧迫痕を基準痕（１０）とする。図４２に示すように突当たり部（１１）と押付刃（１４）の刃との間の長さを基準寸法（２３）とするので押付刃（１４）が用紙（１７）の短辺（１９）に基準痕（１０）を付けた結果、図１１に示すように用紙（１７）の短辺（１９）に付いた該基準痕（１０）は長辺（１８）と平行に形成され、該基準痕（１０）と該長辺（１８）の間隔が基準寸法（２３）となる。次に図４６に示すように用紙（１７）を穿孔する為に該用紙（１７）を穿孔用紙挿入部（９）に挿入する際は、基準痕（１０）の付いた短辺（１９）を奥にして挿入する。その際該用紙（１７）の短辺（１９）に付いた基準痕（１０）と該穿孔用紙挿入部（９）の最奥部に表示された短辺基準点（２２）の位置を一致させる。図４６に示すようにベース（２）に表示される該短辺基準点（２２）と中心基準点（２０）との位置関係は、２孔パンチ器（１）で扱う用紙（１７）を想定して該当する紙の寸法規格であるＩＳＯ２１６やＪＩＳ規格Ｐ０１３８の寸法に基づき、紙の規格短辺寸法の２分の１を算出し、該規格短辺寸法の２分の１から図４２に示す基準寸法（２３）を差し引いた残りの長さを短辺中心寸法（２５）として短辺基準点（２２）と中心基準点（２０）の間隔とする。したがって図４６に示すように上記の想定に該当した用紙（１７）の短辺（１９）の基準痕（１０）とベース（２）に表示された短辺基準点（２２）の位置を一致させると、用紙（１７）の基準痕（１０）から短辺（１９）の中心に向かって短辺中心寸法（２５）の長さの位置が用紙（１７）の短辺（１９）の２分の１の位置であり且つ短辺（１９）の中心位置となる。故にベース（２）に表示された短辺基準点（２２）から短辺中心寸法（２５）の間隔の位置に表示された中心基準点（２０）と用紙の短辺（１９）の中心位置が一致することになる。更に図４２に示すようにベース（２）の中心基準点（２０）は二つのパンチ軸刃（１３）の中心に位置するので、用紙（１７）の短辺（１９）の基準痕（１０）とベース（２）に表示された短辺基準点（２２）の位置を一致させて、レバー（４）を圧下し、二つのパンチ軸刃（１３）を降下させると、図１３に示すように二つの孔（２８）が用紙（１７）の短辺（１９）の中央から等距離の位置に自動的に穿孔することができる。
Embodiments of the present invention will be described below.
(A) As shown in FIGS. 38 and 39, two punch holes (12) are provided at regular intervals on the upper surface of the base (2) of the two-hole punch machine (1).
(B) As shown in FIGS. 38 and 39, the frame (3) is fixed on the two punch holes (12), and the fulcrum pin (5) is attached to the frame (3). A rotatable lever (4) connected to the frame (3) by a pin (5) is installed on the upper part of the frame (3). The lever (4) is always biased upward by a spring (7) attached to the fulcrum pin (5). The levers (4) installed in the respective frames (3) are connected at the rear and are integrated.
(C) As shown in FIG. 39, a punch shaft blade (13) connected by a lever (4) and a shaft pin (6) is provided vertically in the frame (3), and two punch shaft blades (13) are provided. The pressing blade (14) is fixed horizontally to one of the punch shaft blades (13). The pressing blade (14) is also lowered together with the punch shaft blade (13) which is lowered in conjunction with the pressure of the lever (4), and the pressing blade (14) is at the lowest point of the punch shaft blade (13) as shown in FIG. Is placed in a groove (16) provided in a pressing table (15) installed at the bottom of the frame (3).
(D) As shown in FIGS. 38 and 39, the pressing blade (14) is always lifted upward in conjunction with the lever (4) always held upward by the biasing force of the spring (7). ) With a certain gap. The frame (3) is cut out horizontally from the front of the frame (3) to a part of the side surface at the same position as the interval, so that the paper (17) can be inserted from the outside of the frame (3). 8) is provided.
(E) As shown in FIG. 39, the height of the opening of the reference mark paper insertion portion (8) cut out is set so that the inserted paper (17) does not hit the pressing blade (14) and is not damaged. It is made narrower than the interval between the pressing tables (15).
(F) The pressing table (15) of (c) is installed by bridging the bottoms of the two frames (3) as shown in FIG. 38, and forms the bottom surfaces of the two reference mark paper insertion portions (8). . One edge of the pressing table (15) is bent upward to form a bumping portion (11), and the bumping portion (11) has a pressing blade (14) in the two frames (3). Install overhanging outside the outer side wall of the frame (3). The other edge is trimmed to the same position as the outside of the side surface of the frame (3).
(G) As shown in FIG. 38 and FIG. 39, a space for inserting the paper (17) is provided in a part between the base (2) and the frame (3) to form the punched paper insertion portion (9).
(H) As shown in FIG. 39, the punch shaft blade (13) connected by the lever (4) and the shaft pin (6) descends in conjunction with the pressure of the lever (4), and the punch hole of the base (2) (12) Install so as to fit vertically.
44. As shown in FIGS. 44 and 46, the center reference point (20) is set at the center of the two punch shaft blades (13) on the upper surface of the base (2) at the innermost part of the punched paper insertion portion (9). The short side reference point (22) and the long side reference point (22) are arranged side by side along the innermost part of the punched paper insertion portion (9) from the center reference point (20) toward the abutting portion (11). 21) is displayed.
(N) The distance between the long side reference point (21) and the center reference point (20) in (i) above is based on ISO 216, which is a standard for the size of paper handled by the two-hole punch device (1), and JIS standard P0138. 42. The length obtained by subtracting the reference dimension (23) from the blade of the pressing blade (14) to the abutting portion (11) as shown in FIG. 42 from the half length of the standard long side dimension of the paper. Is the long side center dimension (24).
(L) The distance between the short side reference point (22) and the center reference point (20) in (i) above is based on ISO 216, which is a standard for the size of paper handled by the two-hole punch device (1), and JIS standard P0138. The length obtained by subtracting the reference dimension (23) from the blade of the pressing blade (14) to the abutting portion (11) as shown in FIG. 42 from the length of one half of the standard short side dimension of the paper. Is the short side center dimension (25).
The present invention has the above structure.
When using the present invention, when the two holes (28) are drilled in the center of the long side (18) of the paper (17) as shown in FIG. 9, the length of the paper (17) is shown in FIG. The paper (17) is inserted into the reference mark paper insertion portion (8) with the side (18) at the back. One short side (19) of the paper (17) is pressed against the abutting part (11) to align the paper (17). Next, as shown in FIGS. 41 and 42, when the lever (4) is squeezed down and the pressing blade (14) horizontally secured to the interlocking punch shaft blade (13) is lowered and pressed against the paper (17), it is pressed. The sheet (17) sandwiched between the blade (14) and the pressing table (15) is pressed, and a linear compression mark is attached to the uppermost sheet (17) in contact with the pressing blade (14). As shown in FIG. 7, a linear compression mark on the long side (18) of the paper (17) is defined as a reference mark (10). At this time, the cutting edge of the pressing blade (14) is rounded so as not to damage the paper (17). As shown in FIG. 43, when one or two sheets (17) are inserted into the reference mark sheet insertion portion (8) and the sheet (17) is not elastic and has no pressure marks, the pressing blade (14) Is lowered to the lowest point and the pressing blade (14) is lowered into the groove (16) provided in the pressing table (15), and the pressing blade (14) and the groove (16) sandwiched between the pressing blade (14) and the groove (16). A linear reference mark (10) can be attached to the paper (17) by bending. As shown in FIG. 42, since the length between the abutting portion (11) and the pressing blade (14) is set as the reference dimension (23), the pressing blade (14) is placed on the long side (18) of the paper (17). As a result of adding the reference mark (10), as shown in FIG. 7, the reference mark (10) attached to the long side (18) of the paper (17) is formed in parallel with the short side (19). The distance between (10) and the short side (19) is the reference dimension (23). The reference dimension (23) is a dimension unique to the two-hole puncher (1), and is used as a basic length in the subsequent positioning of the two holes (28). Next, as shown in FIG. 44, when inserting the paper (17) into the punched paper insertion portion (9) to punch the paper (17), the long side (18) with the reference mark (10) is inserted. Insert it in the back. At that time, the reference mark (10) on the long side (18) of the paper (17) and the position of the long side reference point (21) displayed at the innermost part of the punched paper insertion portion (9) are matched. . As shown in FIG. 44, the positional relationship between the long side reference point (21) and the center reference point (20) displayed on the base (2) is assumed to be the paper (17) handled by the two-hole punch device (1). Then, based on the dimensions of ISO 216 and JIS standard P0138, which are the dimensional standards of the corresponding paper, one half of the standard long side dimension of the paper is calculated, and the one half of the standard long side dimension is shown in FIG. The remaining length obtained by subtracting the reference dimension (23) is defined as the distance between the long side reference point (21) and the center reference point (20) as the long side center dimension (24). Therefore, as shown in FIG. 44, the position of the reference mark (10) on the long side (18) of the paper (17) corresponding to the above assumption and the position of the long side reference point (21) displayed on the base (2) are matched. The position of the length of the long side center dimension (24) from the reference mark (10) of the paper (17) toward the center of the long side (18) is half of the long side (18) of the paper (17). 1 and the center position of the long side (18). Therefore, the center position of the center reference point (20) displayed at the interval of the long side center dimension (24) from the long side reference point (21) displayed on the base (2) and the center position of the long side (18) of the sheet is Will match. Further, as shown in FIG. 42, since the center reference point (20) of the base (2) is located at the center of the two punch shaft blades (13), the reference mark (10) on the long side (18) of the paper (17). When the position of the long side reference point (21) displayed on the base (2) is matched, the lever (4) is pressed down, and the two punch shaft blades (13) are lowered, as shown in FIG. Two holes (28) can be automatically punched at a position equidistant from the center of the long side (18) of the paper (17).
As shown in FIG. 13, when the two holes (28) are drilled in the center of the short side (19) of the paper (17), the paper ( The paper (17) is inserted into the reference mark paper insertion portion (8) with the short side (19) of 17) in the back. One long side (18) of the paper (17) is pressed and aligned with the abutting portion (11). Next, as shown in FIGS. 41 and 42, when the lever (4) is squeezed down and the pressing blade (14) horizontally secured to the interlocking punch shaft blade (13) is lowered and pressed against the paper (17), it is pressed. The sheet (17) sandwiched between the blade (14) and the pressing table (15) is pressed, and a linear compression mark is attached to the uppermost sheet (17) in contact with the pressing blade (14). As shown in FIG. 11, a linear compression mark on the short side (19) of the paper (17) is defined as a reference mark (10). As shown in FIG. 42, since the length between the abutting portion (11) and the blade of the pressing blade (14) is the reference dimension (23), the pressing blade (14) is the short side (19) of the paper (17). ), The reference mark (10) on the short side (19) of the paper (17) is formed in parallel with the long side (18) as shown in FIG. The distance between the reference mark (10) and the long side (18) becomes the reference dimension (23). Next, when inserting the paper (17) into the punched paper insertion portion (9) in order to punch the paper (17) as shown in FIG. 46, the short side (19) with the reference mark (10) is inserted. Insert it in the back. At that time, the reference mark (10) on the short side (19) of the paper (17) and the position of the short side reference point (22) displayed at the innermost part of the punched paper insertion portion (9) are matched. . As shown in FIG. 46, the positional relationship between the short side reference point (22) and the center reference point (20) displayed on the base (2) is assumed to be the paper (17) handled by the two-hole punch device (1). Then, based on the dimensions of ISO 216 and JIS standard P0138, which are the dimensional standards of the corresponding paper, one half of the standard short side dimension of the paper is calculated, and from one half of the standard short side dimension to that shown in FIG. The remaining length after subtracting the reference dimension (23) is defined as the distance between the short side reference point (22) and the center reference point (20) as the short side center dimension (25). Therefore, as shown in FIG. 46, the position of the reference mark (10) on the short side (19) of the paper (17) corresponding to the above assumption and the position of the short side reference point (22) displayed on the base (2) are matched. And the position of the length of the short side center dimension (25) from the reference mark (10) of the paper (17) toward the center of the short side (19) is a half of the short side (19) of the paper (17). 1 and the center position of the short side (19). Therefore, the center position of the center reference point (20) displayed at the position of the short side center dimension (25) from the short side reference point (22) displayed on the base (2) and the short side (19) of the sheet is the center position. Will match. Further, as shown in FIG. 42, since the center reference point (20) of the base (2) is located at the center of the two punch shaft blades (13), the reference mark (10) on the short side (19) of the paper (17). When the position of the short side reference point (22) displayed on the base (2) is matched, the lever (4) is pressed down and the two punch shaft blades (13) are lowered, as shown in FIG. The two holes (28) can be automatically punched at a position equidistant from the center of the short side (19) of the paper (17).
１ ２段式２孔パンチ器
２ ベース
３ フレーム
４ レバー
５ 支点ピン
６ 軸ピン
７ バネ
８ 基準痕用紙挿入部
９ 穿孔用紙挿入部
１０ 基準痕
１１ 突当たり部
１２ パンチ孔
１３ パンチ軸刃
１４ 押付刃
１５ 押付台
１６ 溝
１７ 用紙
１８ 長辺
１９ 短辺
２０ 中心基準点
２１ 長辺基準点
２２ 短辺基準点
２３ 基準寸法
２４ 長辺中心寸法
２５ 短辺中心寸法
２６ 長辺中心
２７ 短辺中心
２８ 孔
２９ 押付台受
３０ 押受ピン
３１ 屑受カバー
３２ 用紙受台
３３ 正面突当たり部
３４ 脚部DESCRIPTION OF
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012171470A JP6043978B2 (en) | 2012-07-16 | 2012-07-16 | 2-stage 2-hole puncher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012171470A JP6043978B2 (en) | 2012-07-16 | 2012-07-16 | 2-stage 2-hole puncher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2014018946A JP2014018946A (en) | 2014-02-03 |
| JP6043978B2 true JP6043978B2 (en) | 2016-12-14 |
Family
ID=50194412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012171470A Expired - Fee Related JP6043978B2 (en) | 2012-07-16 | 2012-07-16 | 2-stage 2-hole puncher |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6043978B2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63193696U (en) * | 1987-06-01 | 1988-12-13 | ||
| JPH0297600U (en) * | 1989-01-18 | 1990-08-03 | ||
| JPH10217200A (en) * | 1997-02-05 | 1998-08-18 | Fujita Corp | Punching |
| JP3086153U (en) * | 2001-03-13 | 2002-06-07 | 良太郎 杉原 | Auxiliary tool for punching holes |
-
2012
- 2012-07-16 JP JP2012171470A patent/JP6043978B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014018946A (en) | 2014-02-03 |
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