JP6519524B2 - Magnetic adsorption type binder - Google Patents

Magnetic adsorption type binder Download PDF

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JP6519524B2
JP6519524B2 JP2016093268A JP2016093268A JP6519524B2 JP 6519524 B2 JP6519524 B2 JP 6519524B2 JP 2016093268 A JP2016093268 A JP 2016093268A JP 2016093268 A JP2016093268 A JP 2016093268A JP 6519524 B2 JP6519524 B2 JP 6519524B2
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magnetic attraction
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越智 季夫
季夫 越智
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株式会社希望社
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Description

本発明は、磁気吸着によってシート体をファイルすることができる磁気吸着式バインダに関する。   The present invention relates to a magnetic adsorption type binder capable of filing a sheet by magnetic adsorption.

従来より、ファイル内面の背部にマグネットシートが装着され、一端部に鉄粉が塗布された書類を磁力により吸着することで綴じるようにしたファイルが知られている(例えば、特許文献1参照。)。このファイルによれば、書類に綴孔を穿設する必要がなく、ファイルの綴具を操作する手間も省け、便利である。   Conventionally, a file is known in which a magnet sheet is attached to the back of the file inner surface, and a document coated with iron powder at one end is attracted by magnetic attraction (for example, see Patent Document 1). . According to this file, there is no need to punch a hole in the document, and it is convenient because it is not necessary to operate the file binding tool.

実開平1−153274号公報Japanese Utility Model Application Publication No. 1-153274

しかしながら、上述のファイルでは、書類の一端側しかマグネットシートに吸着されないため、書類を綴じる向きが固定されるという不都合があった。   However, in the above-mentioned file, only the one end side of the document is attracted to the magnet sheet, so that there is a disadvantage that the direction in which the document is bound is fixed.

本発明の目的は、シート体をファイルする際の自由度を増大させることができる磁気吸着式バインダを提供することである。   An object of the present invention is to provide a magnetically attractive binder which can increase the degree of freedom in filing a sheet.

本発明に係る磁気吸着式バインダは、第一表紙と第二表紙とが背表紙を介して連結されたバインダ本体と、略矩形板状のシート体と、前記背表紙の、前記第一及び第二表紙が連結されていない側の両端近傍に、前記背表紙の幅方向に沿ってそれぞれ延設された第一磁気吸着部材と、前記シート体の、互いに対向する少なくとも一対の辺のそれぞれの両端近傍に取り付けられ、前記第一磁気吸着部材に吸着される被吸着部材とを備える。   The magnetically attractive binder according to the present invention comprises a binder main body in which a first cover and a second cover are connected via a spine, a substantially rectangular plate-like sheet body, and the first and second spines of the spine. The first magnetic attraction member extended along the width direction of the spine and the respective ends of at least a pair of opposing sides of the sheet body, in the vicinity of the two ends where the two covers are not connected. And a attracted member attached to the vicinity and attracted to the first magnetic attraction member.

この構成によれば、磁気吸着式バインダの背表紙の両端近傍に、それぞれ第一磁気吸着部材が設けられ、略矩形板状のシート体の互いに対向する一対の辺のそれぞれの両端近傍に、第一磁気吸着部材に吸着される被吸着部材が取り付けられているので、シート体の一辺、およびその一辺に対向する他の一辺の被吸着部材が第一磁気吸着部材によって磁気吸着可能となる。その結果、シート体の一辺と、他の一辺とのいずれも背表紙に吸着させることができるので、シート体の向きを反転させて、シート体を磁気吸着式バインダにファイルすることができる。従って、シート体をファイルする際の自由度を増大させることができる。   According to this configuration, the first magnetic attraction members are respectively provided near both ends of the spine of the magnetic attraction type binder, and the first magnetic attraction members are respectively provided near the respective ends of the pair of opposing sides of the substantially rectangular plate-like sheet. Since the attracted member to be attracted to one magnetic attraction member is attached, one side of the sheet and the other attracted member opposite to the one side can be magnetically attracted by the first magnetically attracted member. As a result, since one side of the sheet and the other side can be adsorbed onto the spine, the sheet can be reversed in orientation and filed in the magnetic adsorption type binder. Therefore, the degree of freedom in filing the sheet body can be increased.

また、前記シート体は、外縁の形状が互いに略同一であって前記略矩形形状を有する複数の積層されたシート部材を含み、前記四つの被吸着部材は、断面略U字形の形状を有し、前記複数のシート部材の四隅の角部の端面を覆い、かつ前記複数のシート部材を前記積層方向に挟持するように取り付けられていることが好ましい。   The sheet body includes a plurality of stacked sheet members having substantially the same outer edge shape and having the substantially rectangular shape, and the four attracted members have a substantially U-shaped cross section. Preferably, end surfaces of corner portions of four corners of the plurality of sheet members are covered, and the plurality of sheet members are attached so as to be held in the stacking direction.

この構成によれば、複数のシート部材を挟持してシート体を構成するための金具を被吸着部材として用いることができる。   According to this configuration, it is possible to use a metal fitting for holding a plurality of sheet members to form a sheet member as the member to be attracted.

また、前記複数のシート部材の一辺は、互いに離間可能にされ、当該一辺から当該複数のシート部材で挟まれた空間内に、ファイル対象のシート状の部材を挿入可能にされていることが好ましい。   Preferably, one side of the plurality of sheet members can be separated from each other, and the sheet-like member to be subjected to the file can be inserted into the space between the one side and the plurality of sheet members. .

この構成によれば、ファイル対象物をシート体に入れた状態で、磁気吸着式バインダにファイルすることができる。   According to this configuration, it is possible to file the magnetically attractive binder while the file object is placed in the sheet.

また、前記四つの被吸着部材のうち前記一辺の両端に取り付けられた各被吸着部材は、前記一辺に沿って延びる第一アームと、前記一辺に連なる辺に沿って延びる第二アームとを有し、前記第二アームにおける前記一辺から遠い側の端部近傍に、その第二アームの端部近傍と、前記複数のシート部材とを貫通する回転軸が挿通されていることが好ましい。   Further, among the four members to be attracted, the members attached to the both ends of one side have a first arm extending along the one side and a second arm extending along a side continuous to the one side. Preferably, a rotation shaft passing through the vicinity of the end of the second arm and the plurality of sheet members is inserted near the end of the second arm far from the one side.

この構成によれば、前記一辺の両端、すなわちファイル対象の部材を挿入可能にされた辺の両端に取り付けられた被吸着部材を、回転軸を中心に揺動変位させることが可能となる。従って、被吸着部材を、回転軸を中心にシート部材から遠ざけるように揺動変位させ、すなわち開くと、被吸着部材が閉じていたときよりも大きな部材を、シート体内に挿入することが可能になる。   According to this configuration, it is possible to swing and displace the member to be attracted attached to both ends of the one side, that is, both ends of the side to which the member to be subjected to the file can be inserted. Therefore, when the member to be adsorbed is pivoted so as to move away from the sheet member around the rotation axis, that is, when it is opened, a larger member can be inserted into the sheet body than when the member to be adsorbed is closed. Become.

また、前記各第一磁気吸着部材は、前記背表紙の幅方向に沿って並べられた複数の磁石を含み、前記各磁石は、前記バインダ本体の内側に向いた面の磁極の極性が、隣接する磁石と互いに異なるように配置されていることが好ましい。   Each of the first magnetic attraction members includes a plurality of magnets arranged along the width direction of the spine, and each of the magnets is adjacent to each other in the polarity of the magnetic pole of the surface of the binder main body facing inward. It is preferable to arrange the magnets different from each other.

この構成によれば、互いに隣接する磁石間で、一方の磁石から他方の磁石へ向かう磁力線が生じる。この状態でシート体がバインダ本体に取り付けられ、被吸着部材が第一磁気吸着部材に接すると、磁力線が強磁性体である被吸着部材を通過することで、被吸着部材すなわちシート体が第一磁気吸着部材に磁気吸着される。そして、互いに隣接する二つの磁石の中央(間)に被吸着部材が位置したとき、最も漏れ磁束が少なく、磁力線が被吸着部材を通過する距離が最も長くなる。その結果、第一磁気吸着部材による被吸着部材の吸着力が増大し、すなわちバインダ本体によるシート体の保持力が増大する。   According to this configuration, magnetic lines of force from one magnet to the other occur between adjacent magnets. In this state, when the sheet is attached to the binder main body and the member to be attracted contacts the first magnetic attraction member, the line of magnetic force passes through the member to be attracted which is a ferromagnetic body, whereby the member to be attracted, ie, the sheet is first It is magnetically attracted to the magnetically attractive member. Then, when the member to be attracted is positioned at the center (between) of two magnets adjacent to each other, the leakage flux is the smallest, and the distance that the magnetic lines of force pass through the member to be attracted becomes the longest. As a result, the adsorptive power of the adsorptive member by the first magnetic adsorptive member is increased, that is, the retention of the sheet by the binder main body is increased.

また、前記各磁石の前記幅方向の長さは、前記シート体の厚さと略同一であることが好ましい。   Moreover, it is preferable that the length of the said width direction of each said magnet is substantially the same as the thickness of the said sheet | seat body.

この構成によれば、複数のシート体が重なった状態で、各シート体の被吸着部材を、最も吸着力が強くなる、隣接する二つの磁石の中央に位置させることができる。その結果、複数のシート体全体の吸着力を増大させることができる。   According to this configuration, in the state where the plurality of sheet bodies overlap, the to-be-adsorbed members of the respective sheet bodies can be positioned at the center of the two adjacent magnets where the adsorptive power is strongest. As a result, it is possible to increase the adsorptive power of the plurality of sheet members as a whole.

また、前記背表紙は、前記第一表紙と前記第二表紙とが連結された背表紙本体と、前記第一表紙との連結部又はその連結部近傍でその背表紙本体の前記バインダ本体の内側に向いた側に連結され、その連結部を中心に前記各第一磁気吸着部材を揺動可能に支持する支持部材とを含むことが好ましい。   Further, the spine cover is a back cover main body in which the first cover and the second cover are connected, and a connection portion between the first cover and the first cover or an inner side of the binder main body of the back cover main body near the connection portion. It is preferable to include a support member connected to the side facing to and rotatably supporting the first magnetic attraction members about the connection portion.

この構成によれば、第二表紙を上にして、第一磁気吸着部材に吸着されたシート体をぶら下げると、支持部材が揺動変位して略水平になる。そうすると、この状態で、支持部材に吸着された複数のシート体が鉛直方向に吊り下げられるので、各シート体を展示することができる。   According to this configuration, when the second cover is up and the sheet attracted to the first magnetic attraction member is hung, the support member swings and becomes substantially horizontal. Then, in this state, the plurality of sheet members adsorbed by the support member can be suspended in the vertical direction, so that each sheet member can be displayed.

また、前記第二表紙には、前記磁気吸着式バインダを吊り下げるための係合部が設けられていることが好ましい。   Preferably, the second cover is provided with an engagement portion for suspending the magnetically attractive binder.

この構成によれば、係合部を例えば建物の壁に設けられたフックに係合することで、磁気吸着式バインダが第二表紙を上にしてぶら下げられる。そうすると、この状態で、支持部材に吸着された複数のシート体が鉛直方向に吊り下げられるので、各シート体を展示することができる。   According to this configuration, the magnetic adsorptive binder can be hung with the second cover facing up by engaging the engaging portion with, for example, a hook provided on a wall of a building. Then, in this state, the plurality of sheet members adsorbed by the support member can be suspended in the vertical direction, so that each sheet member can be displayed.

また、前記第一及び第二表紙のうち少なくとも一方の表紙の、前記背表紙とは反対側端部には、略板状の蓋体が揺動可能に連結され、前記蓋体の内側には、前記被吸着部材を吸着する第二磁気吸着部材が延設されていることが好ましい。   Further, a substantially plate-like lid is pivotably connected to an end of at least one of the first and second covers opposite to the spine, and the lid is provided with an inner side of the lid. Preferably, a second magnetic attraction member for attracting the attracted member is extended.

この構成によれば、バインダ本体内に、シート体を収容して蓋体を閉じると、各シート体の、一方の側で被吸着部材が第一磁気吸着部材に吸着され、他方の側で被吸着部材が第二磁気吸着部材に吸着される。その結果、各シート体を両側から磁気吸着力で保持することができるので、バインダ本体内に各シート体を格納、保持する確実性が向上する。   According to this configuration, when the sheet is accommodated in the binder main body and the lid is closed, the member to be attracted is adsorbed to the first magnetic attraction member on one side of each sheet, and the other side on the other side The adsorption member is adsorbed to the second magnetic adsorption member. As a result, since each sheet can be held by magnetic attraction from both sides, the certainty of storing and holding each sheet in the binder main body is improved.

また、前記第二磁気吸着部材の磁力は、前記第一磁気吸着部材の磁力よりも弱いことが好ましい。   Preferably, the magnetic force of the second magnetic attraction member is weaker than the magnetic force of the first magnetic attraction member.

この構成によれば、蓋体を開くときは、背表紙に取り付けられた第一磁気吸着部材の方が、蓋体に取り付けられた第二磁気吸着部材よりも磁力が強いので、蓋体を開いてもシート体が背表紙から外れることなく蓋体がシート体から離間するように蓋体を開くことができる。   According to this configuration, when the lid is opened, the first magnetic attraction member attached to the spine is stronger than the second magnetic attraction member attached to the lid, so the lid is opened. However, the lid can be opened so that the lid is separated from the sheet without the sheet disengaging from the spine cover.

このような構成の磁気吸着式バインダは、シート体をファイルする際の自由度を増大させることができる。   Such a magnetically attractive binder can increase the degree of freedom when filing a sheet.

本発明の一実施形態に係る磁気吸着式バインダの構成の一例を示す斜視図である。It is a perspective view showing an example of composition of a magnetic adsorption type binder concerning one embodiment of the present invention. 図1に示すシート体の一例を示す説明図である。It is explanatory drawing which shows an example of the sheet | seat body shown in FIG. 図1に示す第一磁気吸着部材の一例を示す説明図である。It is explanatory drawing which shows an example of the 1st magnetic attraction member shown in FIG. バインダ本体に複数のシート体が吸着された状態を説明するための部分断面図である。It is a fragmentary sectional view for explaining the state where a plurality of sheet bodies were adsorbed by the binder main part. 図1に示す蓋体を閉じた状態を示す斜視図である。It is a perspective view which shows the state which closed the cover shown in FIG. 図1に示すバインダ本体からシート体を取り外してバインダ本体を開いた状態を示す斜視図である。It is a perspective view which shows the state which removed the sheet body from the binder main body shown in FIG. 1, and opened the binder main body. 背表紙の背表紙本体に複数のシート体を取り付けて表紙を開いた状態で磁気吸着式バインダを吊り下げた状態を示す斜視図である。It is a perspective view which shows the state which suspended the magnetic adsorption type binder in the state which attached the some sheet | seat body to the spine cover main body of a spine, and opened the cover.

以下、本発明に係る実施形態を図面に基づいて説明する。なお、各図において同一の符号を付した構成は、同一の構成であることを示し、その説明を省略する。図1は、本発明の一実施形態に係る磁気吸着式バインダの構成の一例を示す斜視図である。   Hereinafter, an embodiment according to the present invention will be described based on the drawings. In addition, the structure which attached | subjected the same code | symbol in each figure shows that it is the same structure, and abbreviate | omits the description. FIG. 1 is a perspective view showing an example of the configuration of a magnetic adsorption type binder according to an embodiment of the present invention.

図1に示す磁気吸着式バインダ1は、バインダ本体2と、1又は複数の略矩形板状を有するシート体3とを備えている。バインダ本体2は、第一表紙21と第二表紙22とが背表紙23を介して連結され、第一表紙21の背表紙23とは反対側には、略板状の蓋体24がその連結部を中心に揺動可能に連結されている。第一表紙21及び第二表紙22は、略矩形板状の形状を有し、例えば厚紙や樹脂板などで構成されている。第二表紙22には、係合穴221(係合部)が形成されている。   The magnetic adsorption type binder 1 shown in FIG. 1 includes a binder main body 2 and a sheet 3 having one or more substantially rectangular plate shapes. In the binder main body 2, the first cover 21 and the second cover 22 are connected via the spine 23, and on the opposite side of the first cover 21 to the spine 23, the substantially plate-like lid 24 is connected It is connected so as to be able to swing around the part. The first cover 21 and the second cover 22 have a substantially rectangular plate shape, and are made of, for example, a thick paper, a resin plate or the like. An engagement hole 221 (engagement portion) is formed in the second cover 22.

背表紙23の、第一表紙21及び第二表紙22が連結されていない側の両端近傍、すなわち図1における背表紙23の上端近傍と下端近傍とには、略帯状の第一磁気吸着部材25,25が、背表紙23の幅方向に沿って延びるようにそれぞれ延設されている。なお、背表紙23の上端近傍に第一磁気吸着部材25が位置することは、背表紙23の上端から背表紙23の長さLaの1/10程度の範囲に第一磁気吸着部材25の上端が位置することを意味し、背表紙23の下端近傍に第一磁気吸着部材25が位置することは、背表紙23の下端から長さLaの1/10程度の範囲に第一磁気吸着部材25の下端が位置することを意味する。   Near the both ends of the back cover 23 on the side where the first cover 21 and the second cover 22 are not connected, that is, the vicinity of the upper end and the lower end of the back cover 23 in FIG. , 25 are extended so as to extend along the width direction of the spine 23. The position of the first magnetic attraction member 25 in the vicinity of the upper end of the spine 23 means that the upper edge of the first magnetic attraction member 25 is in the range of about 1/10 of the length La of the spine 23 from the upper end of the spine 23 Means that the first magnetic attraction member 25 is located in the vicinity of the lower end of the spine cover 23 in a range of about 1/10 of the length La from the lower end of the spine cover 23. It means that the lower end of is located.

シート体3は、被吸着部材31と、シート体本体32とを備えている。シート体本体32は、外縁の形状が互いに略同一であって略矩形形状を有する複数のシート部材321,322(図4参照)が積層されて構成されている。   The sheet 3 includes an attracted member 31 and a sheet body 32. The sheet body 32 is configured by laminating a plurality of sheet members 321 and 322 (see FIG. 4) having substantially the same outer edge shape and a substantially rectangular shape.

図2は、図1に示すシート体3の一例を示す説明図である。図2に示すように、シート部材321は、枠体321aと透明窓321bとを備えている。透明窓321bは、例えば透明の樹脂シートから構成されている。そして、透明窓321bを取り囲むように枠体321aが取り付けられている。シート部材321とシート部材322とは、少なくとも一辺、図2の例では上方の辺C1で、互いに離間可能にされて出入口323とされている。   FIG. 2 is an explanatory view showing an example of the sheet 3 shown in FIG. As shown in FIG. 2, the sheet member 321 includes a frame 321 a and a transparent window 321 b. The transparent window 321 b is made of, for example, a transparent resin sheet. And the frame 321a is attached so that the transparent window 321b may be surrounded. The sheet member 321 and the sheet member 322 can be separated from each other on at least one side, that is, the upper side C1 in the example of FIG.

出入口323からシート部材321とシート部材322とで挟まれた空間内に、ファイル対象のシート状の部材Sを挿入可能にされている。出入口323とされた辺以外の他の辺は、シート部材321とシート部材322とが接着されていてもよいし、部材Sを出し入れ可能なように離間可能にされていてもよい。部材Sは、例えば写真やパンフレット等である。   A sheet-like member S as a file target is made insertable into a space sandwiched between the sheet member 321 and the sheet member 322 from the entrance / exit 323. The sheet member 321 and the sheet member 322 may be bonded to each other other than the side defined as the inlet / outlet 323, or the member S may be separated so as to be able to be put in and out. The member S is, for example, a photograph or a pamphlet.

図2に示すシート体3の四隅には、シート体本体32の四隅の角部の端面を覆うように、第一磁気吸着部材25に吸着される被吸着部材31がそれぞれ取り付けられている。被吸着部材31は、磁石に吸着される強磁性体、例えば鉄や鉄の表面にメッキを施した部材を用いて構成されている。被吸着部材31は、図4に示すように、断面略U字形の形状を有し、シート部材321とシート部材322とをその積層方向に挟持するようにシート体本体32に取り付けられている。   Adsorbed members 31 to be attracted to the first magnetic attraction member 25 are attached to the four corners of the sheet 3 shown in FIG. 2 so as to cover the end faces of the corners of the four corners of the sheet body 32. The member to be adsorbed 31 is configured using a member which is obtained by plating a surface of a ferromagnetic material, for example, iron or iron, which is adsorbed to a magnet. As shown in FIG. 4, the attracted member 31 has a substantially U-shaped cross section, and is attached to the sheet body 32 so as to sandwich the sheet member 321 and the sheet member 322 in the stacking direction.

図2を参照して、被吸着部材31は、第一アーム311と、第二アーム312とを備えている。第一アーム311と、第二アーム312とは、略直角に連結されている。出入口323とされた辺C1の両側に取り付けられた被吸着部材31は、その第一アーム311が、辺C1に沿って延び、その第二アーム312が出入口323に連なる辺C2又は辺C3に沿って延びるように、シート体本体32に取り付けられている。   Referring to FIG. 2, the attracted member 31 includes a first arm 311 and a second arm 312. The first arm 311 and the second arm 312 are connected substantially at right angles. The first arm 311 extends along the side C1 and the second arm 312 extends along the side C2 or the side C3 connected to the entrance 323, which is attached to both sides of the side C1 defined as the entrance 323. It is attached to the sheet | seat body main body 32 so that it may extend.

出入口323の両側に取り付けられた被吸着部材31の第二アーム312には、第二アーム312の先端近傍に、第二アーム312と、第二アーム312に挟持されたシート体本体32とをその厚み方向に貫通する回転軸324が取り付けられている。これにより、被吸着部材31は、回転軸324を中心に揺動変位可能にされている。なお、第二アーム312の先端近傍とは、第二アーム312の先端からの距離が、第二アーム312の長さの1/5以下の領域を意味する。   The second arm 312 of the attracted member 31 attached to both sides of the inlet / outlet 323 includes the second arm 312 and the sheet main body 32 held by the second arm 312 in the vicinity of the tip of the second arm 312. A rotating shaft 324 penetrating in the thickness direction is attached. Thus, the member to be attracted 31 can be swung about the rotation shaft 324. The vicinity of the tip of the second arm 312 means a region in which the distance from the tip of the second arm 312 is 1⁄5 or less of the length of the second arm 312.

図2に示すように、被吸着部材31,31を、回転軸324を中心にシート体本体32から遠ざけるように揺動変位させ、すなわち開くと、被吸着部材31,31が閉じていたときよりも大きな部材Sを、シート体3内に出し入れすることが可能になる。   As shown in FIG. 2, when the members to be adsorbed 31 and 31 are swung and displaced away from the sheet body 32 around the rotation shaft 324, that is, when they are opened, the members to be adsorbed 31 and 31 are closed. Also, the large member S can be taken in and out of the sheet body 3.

また、被吸着部材31,31が閉じているときの、一方の第一アーム311の先端から他方の第一アーム311の先端までの距離Lbよりも、部材Sの幅Lcが大きい場合、部材Sをシート体3に収容して被吸着部材31,31を閉じると、被吸着部材31,31によって部材Sが出入口323から外に出てしまうことが防止される。   When the width Lc of the member S is larger than the distance Lb from the tip of one first arm 311 to the tip of the other first arm 311 when the members to be attracted 31 and 31 are closed, the member S Is accommodated in the sheet 3, and the members to be adsorbed 31 and 31 are closed, the members to be adsorbed 31 and 31 prevent the member S from coming out of the port 323.

図1を参照して、このように構成された磁気吸着式バインダ1は、シート体3の辺C2に設けられた被吸着部材31,31をバインダ本体2の第一磁気吸着部材25,25に吸着させることができ、かつ辺C2に対向する辺C3に設けられた被吸着部材31,31をバインダ本体2の第一磁気吸着部材25,25に吸着させることもできる。その結果、シート体3をバインダ本体2に取り付ける向きを、左右入れ替えることができるので、シート体をファイルする際の自由度を増大させることができる。   With reference to FIG. 1, the magnetic adsorption type binder 1 configured in this manner causes the attracted members 31, 31 provided on the side C 2 of the sheet 3 to be used as the first magnetically attracted members 25, 25 of the binder main body 2. The first magnetic attraction members 25, 25 of the binder main body 2 can also adsorb the attracted members 31, 31 provided on the side C3 that can be attracted and that faces the side C2. As a result, since the direction in which the sheet 3 is attached to the binder main body 2 can be reversed, the degree of freedom in filing the sheet can be increased.

また、辺C1及び辺C1と対向する辺C4の長さと、辺C2,C3の長さとを同一とすれば、さらにシート体3の辺C1,C4を第一磁気吸着部材25,25に吸着させることが可能となる。この場合、シート体3をバインダ本体2に取り付ける向きを、上下左右入れ替えることができるので、シート体をファイルする際の自由度をさらに増大させることができる。   Further, if the lengths of the side C4 opposite to the side C1 and the side C1 are equal to the lengths of the sides C2 and C3, the sides C1 and C4 of the sheet 3 are adsorbed to the first magnetic attraction members 25 and 25 It becomes possible. In this case, since the direction in which the sheet 3 is attached to the binder main body 2 can be reversed vertically and horizontally, the degree of freedom in filing the sheet can be further increased.

図3は、図1に示す第一磁気吸着部材25の一例を示す説明図である。図3(a)は第一磁気吸着部材25の一例を示し、図3(b)は第一磁気吸着部材25の別の一例を示している。   FIG. 3 is an explanatory view showing an example of the first magnetic attraction member 25 shown in FIG. FIG. 3A shows an example of the first magnetic attraction member 25, and FIG. 3B shows another example of the first magnetic attraction member 25.

図3に示す第一磁気吸着部材25は、複数、例えば10個の略矩形の磁石251が、背表紙23の幅方向に沿って並べられて構成されている。各磁石251は、バインダ本体2の内側に向いた面(表)の磁極の極性が、隣接する磁石251と互いに異なるように配置されている。   The first magnetic attraction member 25 shown in FIG. 3 is configured by arranging a plurality of, for example, ten substantially rectangular magnets 251 along the width direction of the spine 23. Each magnet 251 is arranged such that the polarity of the magnetic pole of the surface (front) of the binder main body 2 is different from that of the adjacent magnet 251.

例えば、図3(a)に示す例では、磁石251の表裏で一方の面がN極、他方の面がS極とされており、隣接する磁石251の表裏を裏返すことで、磁極の極性が隣接する磁石251と互いに異なるようにされている。図3(b)に示す例では、磁石251の一端がN極、他端がS極とされており、隣接する磁石251と向きを180度回転させて配置することにより、磁極の極性が隣接する磁石251と互いに異なるようにされている。例えば、第一磁気吸着部材25の長さLdを50mm程度、第一磁気吸着部材25の幅Leすなわち磁石251の長さを10mm程度、磁石251の幅Wmを5mm程度とすることができる。   For example, in the example shown in FIG. 3A, one surface of the magnet 251 is N pole and the other surface is S pole, and the polarity of the magnetic pole is reversed by reversing the front and back of the adjacent magnet 251. The adjacent magnets 251 are made different from each other. In the example shown in FIG. 3B, one end of the magnet 251 is N pole and the other end is S pole, and the polarity of the magnetic pole is adjacent by rotating the direction with the adjacent magnet 251 by 180 degrees. And the magnets 251 are different from each other. For example, the length Ld of the first magnetic attraction member 25 can be about 50 mm, the width Le of the first magnetic attraction member 25, that is, the length of the magnet 251 can be about 10 mm, and the width Wm of the magnet 251 can be about 5 mm.

図1を参照して、一対の第一磁気吸着部材25,25の間隔は、一対の被吸着部材31,31の間隔と対応するようにされており、一対の被吸着部材31,31が、一対の第一磁気吸着部材25,25にそれぞれ吸着されるようになっている。これにより、複数のシート体3が磁気力によりバインダ本体2に取り付けられ、ファイルされるようになっている。また、バインダ本体2にファイルされたシート体3は、ユーザが引っ張ることによって、容易にバインダ本体2から取り外すことができ、利便性が向上する。   Referring to FIG. 1, the distance between the pair of first magnetic attraction members 25, 25 is made to correspond to the distance between the pair of attraction members 31, 31, and the pair of attraction members 31, 31 Each of the pair of first magnetic attraction members 25 is adapted to be attracted. Thereby, a plurality of sheet bodies 3 are attached to the binder main body 2 by magnetic force, and are filed. Also, the sheet body 3 filed in the binder main body 2 can be easily removed from the binder main body 2 by pulling by the user, and the convenience is improved.

図4は、バインダ本体2に複数のシート体3が吸着された状態を説明するための部分断面図である。図4に示す第一磁気吸着部材25は、図3(a)に示すように、表裏で一方の面がN極、他方の面がS極とされた磁石251から構成されている。図4に示すように、複数の磁石251の磁極の極性が、隣接する磁石251と互いに異なるように配置されると、磁石251のN極から、その磁石251と隣接する磁石251のS極へ向かう磁力線Bが生じる。   FIG. 4 is a partial cross-sectional view for explaining a state in which the plurality of sheet members 3 are adsorbed to the binder main body 2. As shown in FIG. 3A, the first magnetic attraction member 25 shown in FIG. 4 is composed of a magnet 251 whose one surface is N pole on the front and back and the other surface is S pole. As shown in FIG. 4, when the polarities of the magnetic poles of the plurality of magnets 251 are arranged to be different from the adjacent magnets 251, from the N pole of the magnet 251 to the S pole of the magnets 251 adjacent to the magnet 251. A magnetic line of force B is generated.

この状態でシート体3がバインダ本体2に取り付けられ、被吸着部材31が第一磁気吸着部材25に接すると、磁力線Bが強磁性体である被吸着部材31を通過することで、被吸着部材31、すなわちシート体3が第一磁気吸着部材25に磁気吸着される。そして、互いに隣接する二つの磁石251の中央(間)に被吸着部材31が位置したとき、最も漏れ磁束が少なく、磁力線Bが被吸着部材31を通過する距離が最も長くなる。その結果、第一磁気吸着部材25による被吸着部材31の吸着力が増大し、すなわちバインダ本体2によるシート体3の保持力が増大する。   In this state, when the sheet 3 is attached to the binder main body 2 and the attracted member 31 contacts the first magnetic attraction member 25, the magnetic force lines B pass through the attracted member 31 which is a ferromagnetic body, thereby the attracted member The sheet 31 is magnetically attracted to the first magnetic attraction member 25. Then, when the attracted member 31 is positioned at the center (between) two adjacent magnets 251, the leakage flux is the smallest, and the distance that the magnetic lines of force B pass through the attracted member 31 is the longest. As a result, the adsorptive power of the adsorptive member 31 by the first magnetic adsorptive member 25 is increased, that is, the retaining power of the sheet 3 by the binder main body 2 is increased.

このとき、図4に示すように、被吸着部材31は、吸着力が最も大きくなる二つの磁石251の中央位置に自動的に吸引されることになる。また、シート体3の厚さWs(最大の厚さ、図4では被吸着部材31の部分)は、磁石251の幅Wmと略同一にされている。その結果、複数のシート体3が重なった状態で、各シート体3の被吸着部材31を、最も吸着力が強くなる、隣接する二つの磁石251の中央に位置させることができる。その結果、複数のシート体3全体の吸着力を増大させることができる。   At this time, as shown in FIG. 4, the member to be attracted 31 is automatically attracted to the central position of the two magnets 251 where the attraction force is the largest. Further, the thickness Ws (maximum thickness, a portion of the member to be attracted 31 in FIG. 4) of the sheet 3 is made substantially the same as the width Wm of the magnet 251. As a result, in the state where the plurality of sheet members 3 overlap, the member to be attracted 31 of each sheet member 3 can be positioned at the center of the two adjacent magnets 251 where the attraction force becomes the strongest. As a result, the adsorption power of the plurality of sheet members 3 as a whole can be increased.

図5は、図1に示す蓋体24を閉じた状態を示す斜視図である。蓋体24の両端近傍、すなわち図1、図5における蓋体24の上端近傍と下端近傍とには、略帯状の第二磁気吸着部材26,26が、蓋体24の幅方向に沿って延びるようにそれぞれ延設されている。第二磁気吸着部材26,26は、図5に示すように第一表紙21、第二表紙22、及び蓋体24を閉じたときに、第一磁気吸着部材25,25と略対向する位置に配置されている。   FIG. 5 is a perspective view showing a state in which the lid 24 shown in FIG. 1 is closed. In the vicinity of both ends of the lid 24, that is, in the vicinity of the upper end and the lower end of the lid 24 in FIGS. 1 and 5, substantially strip-shaped second magnetic attraction members 26 extend along the width direction of the lid 24. Each is extended. When the first cover 21, the second cover 22, and the lid 24 are closed as shown in FIG. 5, the second magnetic attraction members 26, 26 substantially face the first magnetic attraction members 25, 25. It is arranged.

第二磁気吸着部材26,26は、第一磁気吸着部材25,25よりも磁力が弱くされている。第二磁気吸着部材26,26は、第一磁気吸着部材25,25よりも磁力が弱い点を除いて、図3、図4に示す第一磁気吸着部材25,25と同様に構成されているのでその説明を省略する。   The magnetic force of the second magnetic attraction members 26 is weaker than that of the first magnetic attraction members 25. The second magnetic attraction members 26, 26 are configured in the same manner as the first magnetic attraction members 25, 25 shown in FIGS. 3 and 4 except that the magnetic force is weaker than the first magnetic attraction members 25, 25. So I will omit the explanation.

第二磁気吸着部材26,26によれば、図5に示すように、バインダ本体2内に、複数のシート体3を収容して蓋体24を閉じると、各シート体3の、一方の側で被吸着部材31,31が第一磁気吸着部材25,25に吸着され、他方の側で被吸着部材31,31が第二磁気吸着部材26,26に吸着される。その結果、各シート体3を両側から磁気吸着力で保持することができるので、バインダ本体2内に各シート体3を格納、保持する確実性が向上する。   According to the second magnetic attraction members 26, as shown in FIG. 5, when the plurality of sheet members 3 are accommodated in the binder main body 2 and the lid 24 is closed, one side of each sheet member 3 is obtained. The attracted members 31, 31 are attracted to the first magnetic attraction members 25, 25, and the attracted members 31, 31 are attracted to the second magnetic attraction members 26, 26 on the other side. As a result, since each sheet 3 can be held by magnetic attraction from both sides, the reliability of storing and holding each sheet 3 in the binder main body 2 is improved.

また、蓋体24を開くときは、背表紙23に取り付けられた第一磁気吸着部材25,25の方が、蓋体24に取り付けられた第二磁気吸着部材26,26よりも磁力が強いので、蓋体24を開いてもシート体3が背表紙23から外れることなく蓋体24がシート体3から離間するように蓋体24を開くことができる。   In addition, when the lid 24 is opened, the first magnetic attraction members 25, 25 attached to the spine 23 have a stronger magnetic force than the second magnetic attraction members 26, 26 attached to the lid 24. Even when the lid 24 is opened, the lid 24 can be opened so that the lid 24 is separated from the sheet 3 without the sheet 3 being detached from the spine 23.

なお、蓋体24は、第二表紙22に連結されていてもよく、第一表紙21に連結された蓋体24と、第二表紙22に連結された蓋体24とが設けられていてもよい。   In addition, the lid 24 may be connected to the second cover 22, and even if the lid 24 connected to the first cover 21 and the lid 24 connected to the second cover 22 are provided. Good.

図6は、図1に示すバインダ本体2からシート体3を取り外してバインダ本体2を開いた状態を示す斜視図である。背表紙23は、略矩形板状の背表紙本体231と、略矩形板状の支持部材232とから構成されている。第一表紙21及び第二表紙22は、背表紙本体231の両側にそれぞれ連結されている。第一磁気吸着部材25,25は、支持部材232に取り付けられている。   FIG. 6 is a perspective view showing a state in which the sheet body 3 is removed from the binder main body 2 shown in FIG. 1 and the binder main body 2 is opened. The spine 23 is constituted by a substantially rectangular plate-like spine cover main body 231 and a substantially rectangular plate-like support member 232. The first cover 21 and the second cover 22 are respectively connected to both sides of the spine body 231. The first magnetic attraction members 25, 25 are attached to the support member 232.

支持部材232は、背表紙本体231と第一表紙21との連結部又はその連結部近傍でその背表紙本体231のバインダ本体2の内側に向いた側に連結され、その連結部を中心に第一磁気吸着部材25,25を揺動可能に支持する。   The supporting member 232 is connected to the connecting portion between the spine cover main body 231 and the first cover 21 or in the vicinity of the connecting portion of the back cover main body 231 on the side of the spine main body 231 facing the inside of the binder body 2. One magnetic attraction member 25, 25 is swingably supported.

図7は、背表紙23の背表紙本体231に複数のシート体3を取り付けて表紙を開いた状態で磁気吸着式バインダ1を吊り下げた状態を示す斜視図である。図7に示すように、例えば壁に取り付けられたフックAに、係合穴221を引っかけることで、磁気吸着式バインダ1を吊り下げることができる。このとき、支持部材232が揺動変位して略水平になる。この状態で、支持部材232に吸着された複数のシート体3が鉛直方向に吊り下げられる。   FIG. 7 is a perspective view showing a state where the plurality of sheet members 3 are attached to the spine cover main body 231 of the spine 23 and the magnetic attraction type binder 1 is suspended in a state where the cover is opened. As shown in FIG. 7, for example, the magnetic adsorption type binder 1 can be suspended by hooking the engagement hole 221 on the hook A attached to the wall. At this time, the support member 232 swings and becomes substantially horizontal. In this state, the plurality of sheet members 3 adsorbed by the support member 232 are suspended in the vertical direction.

その結果、例えば商品カタログやサンプルなどが収納されたシート体3を、展示するようにして吊り下げることができる。   As a result, for example, the sheet body 3 in which a product catalog or a sample is stored can be suspended for display.

なお、第二磁気吸着部材26,26は、第一磁気吸着部材25,25よりも磁力が弱い例に限らない。第二磁気吸着部材26,26が、第一磁気吸着部材25,25よりも磁力が強い構成としてもよく、第二磁気吸着部材26,26の磁力と、第一磁気吸着部材25,25の磁力とが同一であってもよい。   The second magnetic attraction members 26 are not limited to the example in which the magnetic force is weaker than that of the first magnetic attraction members 25. The second magnetic attraction members 26, 26 may have a configuration in which the magnetic force is stronger than the first magnetic attraction members 25, 25, and the magnetic force of the second magnetic attraction members 26, 26 and the magnetic force of the first magnetic attraction members 25, 25. And may be identical.

また、バインダ本体2は、蓋体24を備えていなくてもよい。また、第二表紙22には、係合穴221が形成されていなくてもよい。また、背表紙23は、支持部材232を備えていなくてもよい。また、磁石251の幅Wmは、必ずしもシート体3の厚さWsと略同一でなくてもよい。また、第一磁気吸着部材25及び第二磁気吸着部材26は、必ずしも複数の磁石251から構成される例に限らない。第一磁気吸着部材25及び第二磁気吸着部材26は、例えば、帯状の一つの磁石から構成されていてもよい。   Further, the binder main body 2 may not have the lid 24. In addition, the engagement hole 221 may not be formed in the second cover 22. In addition, the spine 23 may not include the support member 232. The width Wm of the magnet 251 may not necessarily be substantially the same as the thickness Ws of the sheet 3. Further, the first magnetic attraction member 25 and the second magnetic attraction member 26 are not necessarily limited to the example configured of the plurality of magnets 251. The first magnetic attraction member 25 and the second magnetic attraction member 26 may be made of, for example, one strip of magnet.

また、被吸着部材31は、回転軸324により揺動可能にされていなくてもよい。被吸着部材31は、シート体本体32に、固定的に取り付けられていてもよい。また、被吸着部材31は、必ずしも第一アーム311と第二アーム312とが略垂直に連結された構造である必要はなく、必ずしもシート体本体32の四隅の角部の端面を覆うようにされていなくてもよい。例えば、被吸着部材31は、断面略U字形状の直線状の形状を有し、互いに対向する一対の辺のそれぞれの両端近傍に取り付けられていてもよい。   In addition, the member to be attracted 31 may not be rockable by the rotation shaft 324. The member to be attracted 31 may be fixedly attached to the sheet body 32. Further, the member to be attracted 31 does not necessarily have to have a structure in which the first arm 311 and the second arm 312 are connected substantially vertically, and it is necessary to cover the end face of the four corner corners of the sheet body 32 You do not have to. For example, the member to be adsorbed 31 may have a linear shape with a substantially U-shaped cross section, and may be attached in the vicinity of each end of a pair of sides facing each other.

また、シート体3は、シート部材321,322が積層されて構成される例に限らず、シート部材321,322の間に写真やパンフレット等のファイル対象物を入れる例に限らない。シート体本体32そのものが、ファイル対象物であってもよい。   Further, the sheet 3 is not limited to the example in which the sheet members 321 and 322 are stacked, and is not limited to the example in which the file object such as a photograph or a brochure is inserted between the sheet members 321 and 322. The sheet body 32 itself may be a file object.

1 磁気吸着式バインダ
2 バインダ本体
3 シート体
21 第一表紙
22 第二表紙
23 背表紙
24 蓋体
25 第一磁気吸着部材
26 第二磁気吸着部材
31 被吸着部材
32 シート体本体
221 係合穴(係合部)
231 背表紙本体
232 支持部材
251 磁石
311 第一アーム
312 第二アーム
321,322 シート部材
321a 枠体
321b 透明窓
323 出入口
324 回転軸
A フック
B 磁力線
辺 C1,C2,C3,C4
La,Ld 長さ
Lb 距離
Lc,Le,Wm 幅
S 部材
Ws 厚さ
DESCRIPTION OF SYMBOLS 1 magnetic attraction type binder 2 binder main body 3 sheet 21 first cover 22 second cover 23 spine 24 lid 25 first magnetic attraction member 26 second magnetic attraction member 31 attracted member 32 sheet member main body 221 engagement hole ( Engaging part)
231 back cover main body 232 support member 251 magnet 311 first arm 312 second arm 321, 322 sheet member 321a frame 321b transparent window 323 entrance / exit 324 rotation axis A hook B magnetic line side C1, C2, C3, C4
La, Ld Length Lb Distance Lc, Le, Wm Width S Member Ws Thickness

Claims (8)

第一表紙と第二表紙とが背表紙を介して連結されたバインダ本体と、
略矩形板状のシート体と、
前記背表紙の、前記第一及び第二表紙が連結されていない側の両端近傍に、前記背表紙の幅方向に沿ってそれぞれ延設された第一磁気吸着部材と、
前記シート体の、四隅の角部に取り付けられ、前記第一磁気吸着部材に吸着される四つの被吸着部材とを備え
前記シート体は、外縁の形状が互いに略同一であって略矩形形状を有する複数の積層されたシート部材を含み、
前記四つの被吸着部材は、断面略U字形の形状を有し、前記複数のシート部材の四隅の角部の端面を覆い、かつ前記複数のシート部材を前記積層方向に挟持するように取り付けられている磁気吸着式バインダ。
A binder body in which a first cover and a second cover are connected via a spine;
A substantially rectangular plate-like sheet body,
A first magnetic attraction member extended along the width direction of the spine, in the vicinity of both ends of the spine where the first and second covers are not connected;
Of the sheet member, attached to the four corners, and a four the attracted member is attracted to the first magnetic attraction member,
The sheet body includes a plurality of stacked sheet members having substantially the same outer edge shape and a substantially rectangular shape,
The four attracted members have a substantially U-shaped cross section and are attached so as to cover the end faces of the corners of the four corners of the plurality of sheet members and to sandwich the plurality of sheet members in the stacking direction. Magnetic adsorption type binder.
前記複数のシート部材の一辺は、互いに離間可能にされ、当該一辺から当該複数のシート部材で挟まれた空間内に、ファイル対象のシート状の部材を挿入可能にされている請求項記載の磁気吸着式バインダ。 One side of the plurality of sheet members is in separable from each other, from the one side sandwiched by the inside space of the plurality of sheet members, the file subject sheet-like member insertable into has been of claim 1 wherein is Magnetic adsorption type binder. 前記四つの被吸着部材のうち前記一辺の両端に取り付けられた各被吸着部材は、前記一辺に沿って延びる第一アームと、前記一辺に連なる辺に沿って延びる第二アームとを有し、前記第二アームにおける前記一辺から遠い側の端部近傍に、その第二アームの端部近傍と、前記複数のシート部材とを貫通する回転軸が挿通されている請求項記載の磁気吸着式バインダ。 Each of the attracted members attached to both ends of the one of the four attracted members has a first arm extending along the one side and a second arm extending along a side connected to the one side, 3. The magnetic attraction type according to claim 2 , wherein a rotation axis passing through the vicinity of the end of the second arm and the plurality of sheet members is inserted in the vicinity of the end of the second arm far from the one side. Binder. 第一表紙と第二表紙とが背表紙を介して連結されたバインダ本体と、
略矩形板状のシート体と、
前記背表紙の、前記第一及び第二表紙が連結されていない側の両端近傍に、前記背表紙の幅方向に沿ってそれぞれ延設された第一磁気吸着部材と、
前記シート体の、互いに対向する少なくとも一対の辺のそれぞれの両端近傍に取り付けられ、前記第一磁気吸着部材に吸着される被吸着部材とを備え、
前記各第一磁気吸着部材は、前記背表紙の幅方向に沿って並べられた複数の磁石を含み、
前記各磁石は、前記バインダ本体の内側に向いた面の磁極の極性が、隣接する磁石と互いに異なるように配置され
前記各磁石の前記幅方向の長さは、前記シート体の厚さと略同一である磁気吸着式バインダ。
A binder body in which a first cover and a second cover are connected via a spine;
A substantially rectangular plate-like sheet body,
A first magnetic attraction member extended along the width direction of the spine, in the vicinity of both ends of the spine where the first and second covers are not connected;
The sheet member is attached near both ends of at least a pair of sides facing each other in the sheet body, and has an attracted member attracted to the first magnetic attraction member.
Each of the first magnetic attraction members includes a plurality of magnets arranged along the width direction of the spine;
The respective magnets are arranged such that the polarities of the magnetic poles of the inward facing surfaces of the binder body are different from the adjacent magnets .
A magnetic adsorption type binder wherein the length in the width direction of each of the magnets is substantially the same as the thickness of the sheet body.
第一表紙と第二表紙とが背表紙を介して連結されたバインダ本体と、
略矩形板状のシート体と、
前記背表紙の、前記第一及び第二表紙が連結されていない側の両端近傍に、前記背表紙の幅方向に沿ってそれぞれ延設された第一磁気吸着部材と、
前記シート体の、互いに対向する少なくとも一対の辺のそれぞれの両端近傍に取り付けられ、前記第一磁気吸着部材に吸着される被吸着部材とを備え、
前記背表紙は、
前記第一表紙と前記第二表紙とが連結された背表紙本体と、
前記第一表紙との連結部又はその連結部近傍でその背表紙本体の前記バインダ本体の内側に向いた側に連結され、その連結部を中心に前記各第一磁気吸着部材を揺動可能に支持する支持部材とを含む磁気吸着式バインダ。
A binder body in which a first cover and a second cover are connected via a spine;
A substantially rectangular plate-like sheet body,
A first magnetic attraction member extended along the width direction of the spine, in the vicinity of both ends of the spine where the first and second covers are not connected;
The sheet member is attached near both ends of at least a pair of sides facing each other in the sheet body, and has an attracted member attracted to the first magnetic attraction member.
The spine cover is
A spine cover body in which the first cover and the second cover are connected;
The connecting portion with the first cover or the connecting portion is connected to the side of the spine main body facing the inside of the binder main body in the vicinity of the connecting portion, and the first magnetic attraction members can be pivoted about the connecting portion including magnetic adsorption binder and a support member for supporting.
前記第二表紙には、前記磁気吸着式バインダを吊り下げるための係合部が設けられている請求項記載の磁気吸着式バインダ。 The magnetic adsorption type binder according to claim 5, wherein the second cover is provided with an engaging portion for suspending the magnetic adsorption type binder. 第一表紙と第二表紙とが背表紙を介して連結されたバインダ本体と、
略矩形板状のシート体と、
前記背表紙の、前記第一及び第二表紙が連結されていない側の両端近傍に、前記背表紙の幅方向に沿ってそれぞれ延設された第一磁気吸着部材と、
前記シート体の、互いに対向する少なくとも一対の辺のそれぞれの両端近傍に取り付けられ、前記第一磁気吸着部材に吸着される被吸着部材とを備え、
前記第一及び第二表紙のうち少なくとも一方の表紙の、前記背表紙とは反対側端部には、略板状の蓋体が揺動可能に連結され、
前記蓋体の内側には、前記被吸着部材を吸着する第二磁気吸着部材が延設されている磁気吸着式バインダ。
A binder body in which a first cover and a second cover are connected via a spine;
A substantially rectangular plate-like sheet body,
A first magnetic attraction member extended along the width direction of the spine, in the vicinity of both ends of the spine where the first and second covers are not connected;
The sheet member is attached near both ends of at least a pair of sides facing each other in the sheet body, and has an attracted member attracted to the first magnetic attraction member.
A substantially plate-like lid is pivotably connected to an end of at least one of the first and second covers opposite to the spine.
Wherein the inside of the lid member, magnetic adsorption binder second magnetic attraction member for adsorbing said adsorbate member that is extended.
前記第二磁気吸着部材の磁力は、前記第一磁気吸着部材の磁力よりも弱い請求項に記載の磁気吸着式バインダ。 The magnetic attraction type binder according to claim 7 , wherein the magnetic force of the second magnetic attraction member is weaker than the magnetic force of the first magnetic attraction member.
JP2016093268A 2016-05-06 2016-05-06 Magnetic adsorption type binder Active JP6519524B2 (en)

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