JP2019034494A

JP2019034494A - Cover body

Info

Publication number: JP2019034494A
Application number: JP2017157889A
Authority: JP
Inventors: 祥平扶川; Shohei Fukawa
Original assignee: Kokuyo Co Ltd
Current assignee: Kokuyo Co Ltd
Priority date: 2017-08-18
Filing date: 2017-08-18
Publication date: 2019-03-07
Anticipated expiration: 2037-08-18
Also published as: JP6964839B2

Abstract

To provide a cover body that equalizes operation feeling when a front cover is opened/closed and operation feeling when a back cover is opened/closed.SOLUTION: There is provided a cover body 1 having a spine 12, a front cover 11 and a back cover 13 connected to the spine 12 through hinges 14. A through hole 15 is formed which penetrates across one hinge 14 of the hinge 14 on the side of the front cover 11 and the hinge 14 on the side of the back cover 13 or adjacent thereto, and a thin part 141 which thins the thickness of the cover body 1 compared to the one hinge 14 is provided in at least a part of the other hinge 14.SELECTED DRAWING: Figure 3

Description

本発明は、背表紙と、背表紙にそれぞれヒンジを介して連なる表表紙及び裏表紙とを有する表紙体に関する。 The present invention relates to a cover body having a back cover and a front cover and a back cover that are connected to the spine through hinges.

複数枚の紙葉類を綴じておくことのできるファイルの一種として、下記特許文献に開示されているような、クリアポケット（５）と綴じ具（ファスナー７）とを両備する態様のクリアファイルが公知である。 As a type of file capable of binding a plurality of paper sheets, a clear file having a clear pocket (5) and a binding tool (fastener 7) as disclosed in the following patent document is provided. It is known.

一般に、ファイルの表紙体は、背表紙（３）の両側にそれぞれヒンジを介して表表紙（１）及び裏表紙が接合しているものである。ヒンジは、当該表紙体の表紙高さ方向、即ち背表紙、表表紙及び裏表紙の上下方向に沿って伸びる凹溝状をなすことが多い。 In general, the cover body of the file is such that the front cover (1) and the back cover are joined to both sides of the back cover (3) via hinges, respectively. In many cases, the hinge has a concave groove shape extending in the cover height direction of the cover body, that is, in the vertical direction of the back cover, the front cover, and the back cover.

実用新案登録第３０２０９１３号公報Utility Model Registration No. 3020913

例えば、図３に示すように、背表紙１２と裏表紙１３との間に介在するヒンジ１４に跨って、またはこれに隣接して貫通する貫通孔１５を形成した場合において、当該ヒンジ１４の溝の深さと、背表紙１２と表表紙１１との間に介在するヒンジ１４の溝の深さとが同等であるとすると、裏表紙１３を背表紙１２に対して回動させる際の表紙体１の曲げこわさ（換言すれば、回動させるために必要な操作力）が、表表紙１１を背表紙１２に対して回動させる際の表紙体１の曲げこわさよりも小さくなる。つまり、裏表紙１３を開閉するときには柔らかいのに、表表紙１１を開閉するときにはやや堅いというように、操作感が不均一となって、使用者が違和感を覚える可能性がある。 For example, as shown in FIG. 3, when a through-hole 15 that penetrates over or adjacent to the hinge 14 interposed between the back cover 12 and the back cover 13 is formed, the groove of the hinge 14 And the depth of the groove of the hinge 14 interposed between the back cover 12 and the front cover 11 are equal to each other when the back cover 13 is rotated with respect to the back cover 12. The bending stiffness (in other words, the operating force required to rotate) is smaller than the bending stiffness of the cover body 1 when the cover cover 11 is rotated with respect to the spine cover 12. That is, when the back cover 13 is opened and closed, it is soft, but when the front cover 11 is opened and closed, the operational feeling becomes uneven and the user may feel uncomfortable.

本発明は、以上の問題に初めて着目してなされたものであり、表紙体の表表紙を開閉するときの操作感と裏表紙を開閉するときの操作感とを均等化することを所期の目的としている。 The present invention has been made paying attention to the above problems for the first time, and it is intended to equalize the operational feeling when opening and closing the front cover of the cover body and the operational feeling when opening and closing the back cover. It is aimed.

本発明では、背表紙と、前記背表紙にそれぞれヒンジを介して連なる表表紙及び裏表紙とを有する表紙体であって、前記表表紙側のヒンジと前記裏表紙側のヒンジとのうちの一方のヒンジに跨ってまたはこれに隣接して貫通する貫通孔が形成され、他方のヒンジの少なくとも一部に前記一方のヒンジと比較して表紙体の厚みをより薄くする薄肉部が設けられた表紙体を構成した。 In the present invention, a cover body having a back cover and a front cover and a back cover that are respectively connected to the spine through a hinge, and one of the front cover side hinge and the back cover side hinge A cover that has a through-hole that extends over or adjacent to the hinge of the first cover, and a thin-walled portion that has a thinner cover than the first hinge. Constructed the body.

より具体的には、前記一方のヒンジと前記他方のヒンジとが互いに略平行な溝状をなし、前記貫通孔の一端と前記薄肉部の一端とを結ぶ線分、及び貫通孔の他端と薄肉部の他端とを結ぶ線分がそれぞれ前記溝状のヒンジに対して略直交するものとすることが好ましい。 More specifically, the one hinge and the other hinge form a substantially parallel groove shape, a line segment connecting one end of the through hole and one end of the thin portion, and the other end of the through hole It is preferable that the line segment connecting the other end of the thin portion is substantially orthogonal to the groove-like hinge.

紙葉類を綴じ止めるための綴じ具が取り付けられるファイルの表紙体において、前記貫通孔は、前記綴じ具の所定部位を挿通させる孔であることがある。 In the cover of a file to which a binding tool for binding paper sheets is attached, the through hole may be a hole through which a predetermined portion of the binding tool is inserted.

本発明によれば、表紙体の表表紙を開閉するときの操作感と裏表紙を開閉するときの操作感とを均等化することができる。 According to the present invention, it is possible to equalize the operation feeling when opening and closing the front cover of the cover body and the operation feeling when opening and closing the back cover.

本発明の一実施形態のファイルを開いた状態を示す斜視図。The perspective view which shows the state which opened the file of one Embodiment of this invention. 同実施形態のファイルを閉じた状態を示す斜視図。The perspective view which shows the state which closed the file of the embodiment. 同実施形態のファイルの表紙体の平面図。The top view of the cover body of the file of the embodiment. 同実施形態のファイルの表紙体のＡ−Ａ線断面図。The sectional view on the AA line of the cover of the file of the embodiment. 本発明の変形例の表紙体の平面図。The top view of the cover body of the modification of this invention.

本発明の一実施形態を、図面を参照して説明する。図１及び図２に示すように、本実施形態のファイルは、表表紙１１、背表紙１２及び裏表紙１３を有する表紙体１に、書類その他の紙葉類を収納することのできる複数のポケット３、並びに紙葉類を綴じ止めることのできる綴じ具２を取り付けてなるものである。 An embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the file according to the present embodiment includes a plurality of pockets that can store documents and other paper sheets in a cover body 1 having a front cover 11, a back cover 12, and a back cover 13. 3 and a binding tool 2 capable of binding paper sheets are attached.

図３に示すように、表紙体１は、例えば樹脂製の一体成形品であり、全体として略方形状をなす板状体である。表表紙１１と背表紙１２との間、背表紙１２と裏表紙１３との間には、それぞれヒンジ１４を設けている。ヒンジ１４は、表紙高さ方向、即ちファイルを立てたときの表表紙１１、背表紙１２及び裏表紙１３の上下方向に沿って延伸する凹溝である。表紙体１における、ヒンジ１４が存在する部分の厚みは、それ以外の部分（表表紙１１、背表紙１２及び裏表紙１３）の厚みよりも薄肉となる。このヒンジ１４により、表表紙１１及び裏表紙１３はそれぞれ、背表紙１２に対して、表紙高さ方向に沿って伸びる軸回りに回動することが可能となる。表表紙１１と背表紙１２との間に介在するヒンジ１４と、背表紙１２と裏表紙１３との間に介在するヒンジ１４とは、互いに略平行である。 As shown in FIG. 3, the cover body 1 is, for example, an integrally molded product made of resin, and is a plate-like body that has a substantially rectangular shape as a whole. Hinges 14 are provided between the front cover 11 and the back cover 12, and between the back cover 12 and the back cover 13, respectively. The hinge 14 is a concave groove extending along the front cover height direction, that is, the vertical direction of the front cover 11, the back cover 12, and the back cover 13 when the file is erected. The thickness of the portion of the cover body 1 where the hinges 14 are present is thinner than the thickness of the other portions (the front cover 11, the back cover 12, and the back cover 13). The hinge 14 allows the front cover 11 and the back cover 13 to rotate around an axis extending along the cover height direction with respect to the spine cover 12, respectively. The hinge 14 interposed between the front cover 11 and the back cover 12 and the hinge 14 interposed between the back cover 12 and the back cover 13 are substantially parallel to each other.

表紙体１における、背表紙１２と裏表紙１３との間に介在するヒンジ１４に跨る箇所、または当該ヒンジ１４に隣接する箇所には、綴じ具２を通過させるための貫通孔１５を形成している。貫通孔１５は、表紙体１の表紙高さ方向の中間部にあって、裏表紙１３側のヒンジ１４に対して略平行に伸びる、手指を挿入し得ない程度の（幅が４ｍｍないし５ｍｍの）幅狭なスリット状をなす。本実施形態では、このスリット１５の大部分が背表紙１２における裏表紙１３に隣接する部位に所在し、極僅かながらヒンジ１４を越えて裏表紙１３まで拡張している。 A through-hole 15 for allowing the binding tool 2 to pass is formed in a place over the hinge 14 interposed between the spine cover 12 and the back cover 13 in the cover body 1 or a position adjacent to the hinge 14. Yes. The through hole 15 is in the middle of the cover body 1 in the cover height direction, and extends substantially parallel to the hinge 14 on the back cover 13 side so that a finger cannot be inserted (the width is 4 mm to 5 mm). ) Form a narrow slit. In the present embodiment, most of the slit 15 is located in a portion of the back cover 12 adjacent to the back cover 13 and extends slightly beyond the hinge 14 to the back cover 13.

加えて、表紙体１の裏表紙１３の内側縁部には、綴じ具２のベース部２１から突出する筒状部を挿通するための挿通孔１６を穿ってある。後述するように、筒状部は、綴じ具２の押さえ部２３から突出する軸部とともに、紙葉類を綴じ止めるための綴じ桿２５を構成する。 In addition, an insertion hole 16 for inserting a cylindrical portion protruding from the base portion 21 of the binding tool 2 is formed in the inner edge portion of the back cover 13 of the cover body 1. As will be described later, the tubular portion together with a shaft portion protruding from the pressing portion 23 of the binding tool 2 constitutes a binding rod 25 for binding paper sheets.

背表紙１２と裏表紙１３との間に介在するヒンジ１４の溝の形状及び深さは全体的に略均一であり、表紙体１における当該ヒンジ１４が存在する部位の厚みは同ヒンジ１４の溝の全長に亘って略均等である。 The shape and depth of the groove of the hinge 14 interposed between the back cover 12 and the back cover 13 are substantially uniform as a whole, and the thickness of the portion of the cover 1 where the hinge 14 is present is the groove of the hinge 14. Is substantially uniform over the entire length.

これに対し、表表紙１１と背表紙１２との間に介在するヒンジ１４の溝の形状は全体的に略均一ではなく、表紙体１における当該ヒンジ１４が存在する部位の厚みは同ヒンジ１４の溝の全長に亘って略均等ではない。本実施形態では、表表紙１１と背表紙１２との間に介在するヒンジ１４の一部に、表紙体１の厚みをより薄くする薄肉部１４１を設けている。言うまでもなく、表紙体１の厚みをより薄くすることは、表紙体１（のヒンジ１４）の曲げ剛性をより低下させることを意味する。なお、同ヒンジ１４における薄肉部１４１以外の部分の溝の形状及び深さは、背表紙１２と裏表紙１３との間に介在するヒンジ１４の溝の形状及び深さに略等しい。 On the other hand, the shape of the groove of the hinge 14 interposed between the front cover 11 and the back cover 12 is not substantially uniform as a whole, and the thickness of the portion of the cover 1 where the hinge 14 is present is the same as that of the hinge 14. It is not substantially uniform over the entire length of the groove. In the present embodiment, a thin portion 141 for reducing the thickness of the cover body 1 is provided in a part of the hinge 14 interposed between the cover cover 11 and the spine cover 12. Needless to say, reducing the thickness of the cover body 1 means lowering the bending rigidity of the cover body 1 (the hinge 14). It should be noted that the shape and depth of the groove of the hinge 14 other than the thin wall portion 141 are substantially equal to the shape and depth of the groove of the hinge 14 interposed between the back cover 12 and the back cover 13.

薄肉部１４１は、例えば、図４（ａ）に示すように、表紙体１の表裏即ち外表面側及び内向面側の双方に凹溝を形成することにより実現する。ヒンジ１４の薄肉部１４１以外の部分の凹溝は、表紙体１の内向面側にのみ、または外表面側にのみ形成する。あるいは、図４（ｂ）に示すように、ヒンジ１４の薄肉部１４１の溝の深さを、薄肉部１４１以外の部分の溝の深さよりも深くしても構わない。 For example, as shown in FIG. 4A, the thin portion 141 is realized by forming concave grooves on the front and back of the cover body 1, that is, on both the outer surface side and the inward surface side. The concave grooves of the hinge 14 other than the thin portion 141 are formed only on the inward surface side of the cover 1 or only on the outer surface side. Alternatively, as shown in FIG. 4B, the depth of the groove of the thin portion 141 of the hinge 14 may be deeper than the depth of the groove other than the thin portion 141.

本実施形態では、ちょうど上記の貫通孔１５に相対するように、表表紙１１側のヒンジ１４の表紙高さ方向の中間部を薄肉部１４１としている。貫通孔１５の一端（表紙高さ方向に沿った上端）と薄肉部１４１の一端（上端）とを結ぶ線分は、ヒンジ１４の延伸方向である表紙高さ方向に対して略直交する。同様に、貫通孔１５の他端（表紙高さ方向に沿った下端）と薄肉部１４１の他端（下端）とを結ぶ線分もまた、表紙高さ方向に対して略直交する。そして、薄肉部１４１の表紙高さ方向に沿った寸法は、貫通孔１５の表紙高さ方向に沿った寸法に略合致している。 In the present embodiment, the thin portion 141 is an intermediate portion in the cover height direction of the hinge 14 on the cover cover 11 side so as to be opposed to the through hole 15 described above. A line segment connecting one end (upper end along the cover height direction) of the through hole 15 and one end (upper end) of the thin portion 141 is substantially orthogonal to the cover height direction as the extending direction of the hinge 14. Similarly, the line segment connecting the other end (the lower end along the cover height direction) of the through hole 15 and the other end (the lower end) of the thin portion 141 is also substantially orthogonal to the cover height direction. The dimension along the cover height direction of the thin wall portion 141 substantially matches the dimension along the cover height direction of the through hole 15.

ポケット３は、例えば透明または透光性を有した薄い樹脂フィルムを袋状に成形した、いわゆるクリアポケットであり、その内に一枚または複数枚の紙葉類を挿入することができる。各ポケット３の内側端は、背表紙１２における表表紙１１寄りの領域に、溶着等により固着している。 The pocket 3 is a so-called clear pocket in which a thin resin film having transparency or translucency is formed into a bag shape, for example, and one or a plurality of paper sheets can be inserted therein. The inner end of each pocket 3 is fixed to a region near the front cover 11 of the spine cover 12 by welding or the like.

綴じ具２は、例えば樹脂製の一体成形品であり、ベース部２１と、ベース部２１に対向する押さえ部２３と、ベース部２１の内側端と押さえ部２３の内側端とを連結する背部２２と、ベース部２１と押さえ部２３との間で両者が対向する方向に伸長する綴じ桿２５とを備えている。 The binding tool 2 is, for example, an integrally molded product made of resin, and includes a base portion 21, a pressing portion 23 that faces the base portion 21, and a back portion 22 that connects the inner end of the base portion 21 and the inner end of the pressing portion 23. And a binding rod 25 extending between the base portion 21 and the pressing portion 23 in a direction in which both face each other.

ベース部２１は、表紙高さ方向に拡張し、かつ表紙幅方向即ち裏表紙１３の左右方向にも展伸した薄板状をなす。このベース部２１は、表紙体１の裏表紙１３の外表面（表表紙１１と向かい合う内向面とは反対側の面）に接合する部位である。つまり、図２に示しているように、本実施形態のファイルにあっては、綴じ具２のベース部２１が表紙体１の外側に表出する。ベース部２１は、裏表紙１３に対して、接着または溶着等により固着する。ベース部２１における、裏表紙１３に接合する側の面からは、綴じ桿２５の要素となる筒状部が突出している。筒状部は、ベース部２１が拡張する表紙高さ方向に沿った外側部（上端部及び下端部）に位置する。既に述べた通り、この筒状部は、裏表紙１３に形成した挿通孔１６に挿通されて、表紙体１の内側に突き出す。 The base portion 21 has a thin plate shape that extends in the front cover height direction and extends in the front cover width direction, that is, in the left-right direction of the back cover 13. The base portion 21 is a portion that is joined to the outer surface of the back cover 13 of the cover body 1 (the surface opposite to the inward surface facing the cover 11). That is, as shown in FIG. 2, in the file of the present embodiment, the base portion 21 of the binding tool 2 appears outside the cover body 1. The base portion 21 is fixed to the back cover 13 by adhesion or welding. A cylindrical portion that is an element of the binding rod 25 protrudes from the surface of the base portion 21 on the side that is joined to the back cover 13. The cylindrical portion is located on the outer side (upper end and lower end) along the cover height direction in which the base portion 21 extends. As already described, the cylindrical portion is inserted into the insertion hole 16 formed in the back cover 13 and protrudes to the inside of the cover 1.

背部２２は、表紙高さ方向に拡張しており、その外寸がベース部２１及び押さえ部２３よりも拡大している。この背部２２とベース部２１との間には、ヒンジ２４を設けている。ヒンジ２４は、表紙高さ方向に沿って延伸する凹溝である。綴じ具２における、ヒンジ２４が存在する部分の厚みは、それ以外の部分（ベース部２１、背部２２及び押さえ部２３）の厚みよりも薄肉となる。このヒンジ２４により、背部２２及び押さえ部２３は、ベース部２１に対して、表紙高さ方向に沿って伸びる軸回りに回動することが可能となる。 The back portion 22 extends in the cover height direction, and its outer dimensions are larger than those of the base portion 21 and the holding portion 23. A hinge 24 is provided between the back portion 22 and the base portion 21. The hinge 24 is a concave groove extending along the cover height direction. In the binding tool 2, the thickness of the portion where the hinge 24 is present is thinner than the thickness of the other portions (the base portion 21, the back portion 22, and the pressing portion 23). With the hinge 24, the back portion 22 and the pressing portion 23 can be rotated around an axis extending along the cover sheet height direction with respect to the base portion 21.

押さえ部２３は、背部２２から一旦背幅方向即ちベース部２１及び裏表紙１３から離れてゆく方向に迫り上がり、その後湾曲してベース部２１及び裏表紙１３と略平行となるように延出している。押さえ部２３もまた、表紙高さ方向に拡張し、かつ表紙幅方向にも展伸した薄板状をなす。但し、ベース部２１と比較して、表紙幅方向に沿った外寸がより小さい。押さえ部２３における、ベース部２１及び裏表紙１３に対向する側の面からは、綴じ桿２５の要素となる軸部が突出している。軸部は、押さえ部２３が拡張する表紙高さ方向に沿った外側部（上端部及び下端部）に位置する。 The holding portion 23 temporarily rises from the back portion 22 in the width direction, that is, in a direction away from the base portion 21 and the back cover 13, and then bends and extends so as to be substantially parallel to the base portion 21 and the back cover 13. Yes. The holding portion 23 also has a thin plate shape that extends in the cover height direction and extends in the cover width direction. However, compared with the base part 21, the outer dimension along the cover width direction is smaller. A shaft portion that is an element of the binding rod 25 protrudes from the surface of the pressing portion 23 that faces the base portion 21 and the back cover 13. The shaft portion is located on the outer side (upper end and lower end) along the cover height direction in which the pressing portion 23 extends.

綴じ具２を使用して紙葉類を綴じる際には、まず、押さえ部２３及び背部２２を回動操作して、押さえ部２３をベース部２１及び裏表紙１３から引き離す。このとき、押さえ部２３から突出している軸部が、ベース部２１から突出している筒状部から抜出される。その状態で、予め紙葉類に穿ってある綴じ孔に筒状部を挿通するようにして、紙葉類の内側縁部をベース部２１の上に重ねて配置する。しかる後、押さえ部２３及び背部２２を回動操作して、押さえ部２３がベース部２１に対向する姿勢とし、かつ軸部を筒状部の内に挿入する。結果、筒状部及び軸部が綴じ桿２５となって、紙葉類がベース部２１と押さえ部２３との間に綴じ止められる。 When binding a paper sheet using the binding tool 2, first, the pressing portion 23 and the back portion 22 are rotated to separate the pressing portion 23 from the base portion 21 and the back cover 13. At this time, the shaft portion protruding from the pressing portion 23 is extracted from the cylindrical portion protruding from the base portion 21. In this state, the inner edge portion of the paper sheet is placed on the base portion 21 so as to pass through the tubular portion through the binding hole that has been previously formed in the paper sheet. Thereafter, the holding portion 23 and the back portion 22 are rotated, so that the holding portion 23 faces the base portion 21 and the shaft portion is inserted into the cylindrical portion. As a result, the cylindrical portion and the shaft portion become the binding rod 25, and the paper sheets are bound between the base portion 21 and the pressing portion 23.

表紙体１に取り付けた綴じ具２は、そのベース部２１が裏表紙１３の外表面に接合する一方で、その背部２２及び押さえ部２３が貫通孔１５を通過して裏表紙１３の内向面よりも内側に進入することとなる。貫通孔１５の内部には、綴じ具２におけるヒンジ１４及びその近傍の部位が入り込む。特に、表紙体１及び綴じ具２を開いている状態や、表紙体１及び綴じ具２を閉じている状態では、表紙体１の背表紙１２と綴じ具２の背部２２と略平行となるが、綴じ具２の背部２２が貫通孔１５に収容されることにより、表紙体１の背表紙１２と綴じ具２の背部２２とが干渉することが避けられる。 The binding tool 2 attached to the cover sheet 1 has its base portion 21 joined to the outer surface of the back cover 13, while its back portion 22 and pressing portion 23 pass through the through-hole 15 from the inward surface of the back cover 13. Will also enter the inside. Inside the through hole 15, the hinge 14 in the binding tool 2 and a portion in the vicinity thereof enter. In particular, in a state where the cover body 1 and the binding tool 2 are opened and a state where the cover body 1 and the binding tool 2 are closed, the spine cover 12 of the cover body 1 and the back portion 22 of the binding tool 2 are substantially parallel. Since the back portion 22 of the binding tool 2 is accommodated in the through hole 15, the back cover 12 of the cover body 1 and the back portion 22 of the binding tool 2 can be prevented from interfering with each other.

本実施形態では、表表紙１１、裏表紙１３並びにこれら表表紙１１及び裏表紙１３と接合する背表紙１２を有する表紙体１に、紙葉類を綴じ止めるための綴じ具２が取り付けられたファイルであって、前記背表紙１２と前記裏表紙１３との境界部位に、前記綴じ具２の所定部位（綴じ具２におけるヒンジ２４及び背部２２）を収容するための収容部（貫通孔１５）が形成されたファイルを構成した。 In the present embodiment, a file in which a binding tool 2 for binding paper sheets is attached to a cover body 1 having a front cover 11, a back cover 13, and a back cover 12 joined to the front cover 11 and the back cover 13. An accommodating portion (through hole 15) for accommodating a predetermined portion of the binding tool 2 (the hinge 24 and the back portion 22 of the binding tool 2) is provided at a boundary portion between the spine cover 12 and the back cover 13. Configured file formed.

本実施形態によれば、綴じ具２をできる限り表紙体１の背表紙１２側に寄せて配置することができる。従って、綴じ具２に綴じ止めた紙葉類もまた背表紙１２に近づくことになり、表表紙１１及び裏表紙１３の表紙幅を徒に大きくとらずとも、綴じ具２に綴じた紙葉類の外側縁部が表表紙１１または裏表紙１３からはみ出すことが回避される。つまり、表表紙１１及び裏表紙１３の表紙幅をより縮小してファイル全体の寸法をコンパクト化できる。 According to this embodiment, the binding tool 2 can be arranged as close to the spine cover 12 side of the cover body 1 as much as possible. Therefore, the paper sheets that are bound to the binding tool 2 also approach the spine cover 12, and the paper sheets that are bound to the binding tool 2 even if the cover widths of the front cover 11 and the back cover 13 are not made large. It is avoided that the outer edge portion of the outer surface of the front cover 11 protrudes from the front cover 11 or the back cover 13. That is, the size of the entire file can be reduced by further reducing the cover widths of the front cover 11 and the back cover 13.

また、綴じ具２のベース部２１を裏表紙１３の外表面側に露出させていることで、綴じ具２の押さえ部２３から裏表紙１３の内向面までの内寸をより大きく確保することができ、限られた背幅の内でより多くの枚数の紙葉類を綴じ具２に綴じることが可能となる。 Further, by exposing the base portion 21 of the binding tool 2 to the outer surface side of the back cover 13, it is possible to secure a larger inner dimension from the pressing portion 23 of the binding tool 2 to the inward surface of the back cover 13. It is possible to bind a larger number of paper sheets to the binding tool 2 within a limited back width.

並びに、本実施形態では、表紙体１における裏表紙１３側のヒンジ１４に跨って、またはこれに隣接して貫通する貫通孔１５が形成される一方、表表紙１１側のヒンジ１４の少なくとも一部に裏表紙１３側のヒンジ１４と比較して表紙体１の厚みをより薄くする薄肉部１４１が設けられている。これにより、裏表紙１３を背表紙１２に対して回動させる際の表紙体１の曲げこわさ（換言すれば、回動させるために必要な操作力）と、表表紙１１を背表紙１２に対して回動させる際の表紙体１の曲げこわさとが略均等となる。従って、裏表紙１３を開閉するときには柔らかいのに、表表紙１１を開閉するときには堅いというような違和感を使用者に与えることが回避される。 Moreover, in the present embodiment, a through-hole 15 is formed so as to pass through or adjacent to the hinge 14 on the back cover 13 side of the cover 1, while at least a part of the hinge 14 on the cover 11 side. Further, a thin portion 141 is provided to make the cover body 1 thinner than the hinge 14 on the back cover 13 side. As a result, the bending stiffness of the cover body 1 when the back cover 13 is rotated with respect to the spine 12 (in other words, the operating force necessary for the rotation), and the cover 11 with respect to the spine 12 The bending stiffness of the cover body 1 when being rotated is substantially equal. Therefore, it is possible to avoid giving the user an uncomfortable feeling that it is soft when the back cover 13 is opened and closed, but is hard when the cover 11 is opened and closed.

なお、本発明は以上に詳述した実施形態に限られるものではない。例えば、上記実施形態では、表紙体１に形成した貫通孔１５とヒンジ１４の薄肉部１４１とが対向していたが、図５に示すように、薄肉部１４１の位置を貫通孔１５の位置から偏倚させても構わない。 The present invention is not limited to the embodiment described in detail above. For example, in the above embodiment, the through hole 15 formed in the cover body 1 and the thin portion 141 of the hinge 14 are opposed to each other, but the position of the thin portion 141 is changed from the position of the through hole 15 as shown in FIG. It does not matter if it is biased.

加えて、使用者の手指を挿入できる程度に大きな貫通孔（指掛孔）１５を表紙体１に穿設している場合においても、表表紙１１を回動させる際の曲げこわさと裏表紙１３を回動させる際の曲げこわさとを略等しくするべく、貫通孔１５を形成していない側のヒンジ１４に薄肉部１４１を形成することが考えられる。例えば、表表紙１１側のヒンジ１４に跨って、またはこれに隣接して貫通孔１５を形成しているならば、対応して裏表紙１３側のヒンジ１４に薄肉部１４１を設けることとなる。 In addition, even when a through-hole (finger hook hole) 15 large enough to insert a user's finger is formed in the cover body 1, the bending stiffness when the cover cover 11 is rotated and the back cover 13 It is conceivable to form the thin portion 141 on the hinge 14 on the side where the through hole 15 is not formed in order to make the bending stiffness at the time of rotating the shaft approximately equal. For example, if the through hole 15 is formed over or adjacent to the hinge 14 on the front cover 11 side, the thin portion 141 is provided on the hinge 14 on the back cover 13 side correspondingly.

その他、各部の具体的な構成は、本発明の趣旨を逸脱しない範囲で種々変形が可能である。 In addition, the specific configuration of each part can be variously modified without departing from the spirit of the present invention.

１…表紙体
１１…表表紙
１２…背表紙
１３…裏表紙
１４…ヒンジ
１４１…薄肉部
１５…貫通孔
２…綴じ具
２１…ベース部
２２…背部
２３…押さえ部
２４…ヒンジ
２５…綴じ桿
３…ポケット DESCRIPTION OF SYMBOLS 1 ... Cover body 11 ... Cover cover 12 ... Back cover 13 ... Back cover 14 ... Hinge 141 ... Thin part 15 ... Through-hole 2 ... Binding tool 21 ... Base part 22 ... Back part 23 ... Holding part 24 ... Hinge 25 ... Binding rod 3 …pocket

Claims

A cover body having a back cover and a front cover and a back cover that are connected to the spine through hinges, respectively.
A through-hole penetrating over or adjacent to one of the front cover side hinge and the back cover side hinge is formed, and at least a part of the other hinge has the one hinge A cover body provided with a thin-walled portion that makes the thickness of the cover body thinner in comparison.

The one hinge and the other hinge form a groove shape substantially parallel to each other,
The line segment connecting one end of the through-hole and one end of the thin-walled portion, and the line segment connecting the other end of the through-hole and the other end of the thin-walled portion are substantially orthogonal to the groove-shaped hinge. Cover body of description.

A cover of a file to which a binding tool for binding paper sheets is attached,
The cover body according to claim 1 or 2, wherein the through hole is a hole through which a predetermined portion of the binding tool is inserted.