Storage body and file

Abstract

To provide a storage body that can take a good folding posture regardless of the quantity of documents stored between a first sheet body and a second sheet body, and a file with the storage body.SOLUTION: The file includes a holder J that is a storage body with a storage space sp formed by a base sheet 1 that has a first bending part N and a cover sheet 2 that has a second bending part R. The base sheet 1 and the cover sheet 2 can take a folding posture (F) and a deployed posture (T) with the first bending part N and the second bending part R being the rotation center. The second bending part R has center and vertical folding lines r1, r2 that are multiple folding lines provided thereon and is designed to bend into a direction separating from the first bending part N in the folding posture (F).SELECTED DRAWING: Figure 9

Description

Technical Field

[0001] The present invention relates to a storage body and a file provided with the storage body.

Background Art

[0002] Conventionally, files that can be folded in two or three are known (see, for example, Patent Document 1).

[0003] This type of file is made easy to fold the rear sheet and the front sheet together by shifting the position of the rear fold line portion provided on the rear sheet and the front fold line portion provided on the front sheet.

[0004] However, in the conventional ones, depending on the number of documents to be stored, the relative positions of the rear fold line portion and the front fold line portion when folded are different, so there are cases where they cannot be folded neatly.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0006] The present invention has been made paying attention to the above circumstances, and provides a storage body that can adopt a suitable folding posture regardless of the amount of documents stored between at least a first sheet body and a second sheet body, and a file provided with the same.

Means for Solving the Problems

[0007] That is, the present invention has the following configuration.

[0008] The invention according to claim 1 is a storage body in which a storage space is formed by a first sheet body having a first bent portion in the middle portion and a second sheet body that is superposed on the first sheet body and has a second bent portion in the middle portion corresponding to the first bent portion, The first bent portion includes a central fold line and upper and lower fold lines that are linear and parallel to each other, and the second bent portion includes a central fold line and upper and lower fold lines that are linear and parallel to each other. wherein the first and second sheet bodies can take a folded posture and a deployed posture with the first and second bent portions as rotation centers, and the second bent portion is in the folded posture The configured to be bent in a direction away from the first bent portion.

[0010] Claim 2 The invention according to is the storage body according to claim 1, wherein the second bent portion forms a mountain fold shape in the folded posture.

[0011] Claim 3 The invention according to is the storage body according to claim, wherein the first bent portion forms a valley fold shape in the folded posture. 2 described.

[0012] Claim 4 The invention according to is the storage body according to claim, wherein the second bent portion forms a gentler mountain fold shape in the deployed posture than in the folded posture. 2 described.

[0013] Claim 5 The invention according to is configured to form a holder that can hold documents by sandwiching them between the first sheet body and the second sheet body The storage body according to claims 1, 2, and 3. or 4.

[0014] Claim 6 The invention according to is a file in which the storage body is provided in a stacked manner together with other storage members, The storage body is formed by a first sheet body having a first bent portion in the middle, and a second sheet body having a second bent portion in the middle corresponding to the first bent portion and superimposed on the first sheet body. A storage space is formed. The first and second sheet bodies can take a folded posture and a deployed posture with the first and second bent portions as rotation centers. The second bent portion is provided with a plurality of fold lines, and is configured to bend in a direction away from the first bent portion in the folded posture. and the storage body is a file positioned at the uppermost part in the deployed posture.

[0015] Claim 7 The invention according to claim is a file provided with a storage body, wherein the storage body is supported on a cover having a front cover and a back cover, The storage body is formed by a first sheet body having a first bent portion in the middle, and a second sheet body having a second bent portion in the middle corresponding to the first bent portion and superimposed on the first sheet body. A storage space is formed. The first and second sheet bodies can take a folded posture and a deployed posture with the first and second bent portions as rotation centers. The second bent portion is provided with a plurality of fold lines, and is configured to bend in a direction away from the first bent portion in the folded posture. and the first and second sheet bodies are configured to be relatively movable with respect to the front cover or the back cover. The invention according to claim 8 is the file according to claim 6 or 7, wherein a plurality of fold lines are also provided in the first bent portion of the storage body. The invention according to claim 9 is the file according to claim 6, 7 or 8, wherein the second bent portion in the storage body is in a mountain-fold shape in the folded posture. The invention according to claim 10 is the file according to claim 9, wherein the first bent portion in the storage body is in a valley-fold shape in the folded posture. The invention according to claim 11 is the file according to claim 9, wherein the second bent portion in the storage body is in a gentler mountain-fold shape in the deployed posture than in the folded posture. The invention according to claim 12 is the file according to claim 6, 7, 8, 9, 10 or 11, wherein the storage body constitutes a holder that can hold a document by sandwiching it between the first sheet body and the second sheet body.

Advantages of the Invention

[0016] As described above, according to the present invention, it is possible to provide a storage body that can adopt a suitable folding posture regardless of the amount of documents stored between at least the first sheet body and the second sheet body, and a file provided with the same.

Brief Description of the Drawings

[0017]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Figure 13

Mode for Carrying Out the Invention

[0018] Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 13. In the figures, the welded part (welding part) is denoted by the reference symbol y.

[0019] This embodiment is applied to a file configured to be able to take a deployed posture (T) and a folded posture (F) which is a posture folded in two from the state of the deployed posture (T).

[0020] The file includes a cover A, first and second binding pieces C and D which are a pair of independent foldable binding pieces integrally provided at the edge of the cover A, clear pockets E which are a plurality of storage members bound by first and second binding members G and H provided on the first and second binding pieces C and D, and a holder J which is a storage body disposed on the plurality of stacked clear pockets E and bound by the first and second binding legs G and H together with the clear pockets E.

[0021] The file is configured such that the cover A, the clear pockets E, and the holder J are integrally foldable in two so as to be able to take the folded posture (F).

[0022] <Cover A> Cover A has a front cover a1 and a back cover a2 connected via a back cover a3 which is a hinge part. Cover A is configured to be able to adopt a deployed posture (T) in which the front cover a1 and the back cover a2 are substantially flush, and a folded posture (F) in which the inner surfaces of the front cover a1 and the back cover a2 face each other via a pocket file and a holder J.

[0023] Cover A is substantially vertically rectangular in the deployed posture (T). Cover A includes a front cover a1 which is substantially horizontally rectangular and constitutes the upper half in the deployed posture (T), a back cover a2 which is substantially horizontally rectangular and constitutes the lower half in the deployed posture (T), and a back cover a3 which is a hinge part provided between the back cover a2 and the front cover a1.

[0024] The front cover a1 is substantially the same size as the back cover a2. On the right side edge of the front cover a1, there is provided a recess a11 which engages with a rubber band B for bundling attached to the back cover a2 in the folded posture (F).

[0025] The back cover a2 is substantially the same size as the front cover a1. A rubber band B for bundling the front cover a1 and the back cover a2 is attached to the back cover a2 in the folded posture (F). On the right side edge of the back cover a2, there is provided a recess a21 which engages with the rubber band B in the folded posture (F).

[0026] The back cover a3 entirely constitutes the hinge part. The back cover a3 includes a pair of upper and lower inner folding lines m1 extending in the left - right direction, and a pair of upper and lower outer folding lines m2 extending in the left - right direction arranged outside each of the pair of upper and lower inner folding lines m1. The back cover a3 includes a back cover main body a31 provided between the pair of upper and lower inner folding lines m1, and an upper auxiliary part a32 and a lower auxiliary part a33 provided above and below the back cover main body a31 and located between the inner folding line m1 and the outer folding line m2.

[0027] <Binding pieces (first binding piece C · second binding piece D)> The first binding piece C extends integrally from the left edge, which is the binding-source side edge on the front cover a1. The first binding piece C extends from a portion excluding the lower part of the left edge of the front cover a1 in the unfolded posture (T). That is, the first binding piece C projects from a part of the left edge of the front cover a1.

[0028] The first binding piece C has a vertically long strip shape. The first binding piece C includes a first binding piece main body c1 provided with a pair of upper and lower binding leg insertion holes c11 through which the first binding leg G is inserted, and a first bending part c2 that is a bendable part provided on one side edge of the first binding piece main body c1 and connects between the first binding piece main body c1 and the front cover a1.

[0029] The first binding piece C is configured to be foldable with the first binding piece main body c1 to the inner surface side of the front cover a1. The first binding piece main body c1 is continuously provided with respect to the front cover a1 via the first bending part c2, and the portion other than the first bending part c2 is not restricted with respect to the front cover a1.

[0030] The first binding piece C is bent by the first bending part c2, and the posture in which the first binding piece main body c1 is folded back to the inner surface side of the front cover a1 is the basic posture. The welded end gt of the first binding leg G supported by the first binding piece C is positioned between the first binding piece main body c1 and the inner surface of the front cover a1.

[0031] The first binding piece main body c1 includes a support surface c12 that faces the clear pocket E side, which is the object to be bound, and can support the held end e2 of the clear pocket E, and a proximity opposing surface c13 that opposes the inner surface of the front cover a1 at a position close to the inner surface side of the front cover a1.

[0032] The first bending part c2 has fold lines c21 that extend in the vertical direction and are provided in pairs left and right.

[0033] The second binding piece D extends integrally from the left edge, which is the edge on the binding side of the back cover a2. The second binding piece D extends from a portion excluding the upper part of the left edge of the back cover a2 in the unfolded posture (T). That is, the second binding piece D projects from a part of the left edge of the back cover a2.

[0034] The second binding piece D has a vertically long strip shape. The second binding piece D includes a second binding piece main body d1 provided with a pair of upper and lower binding leg insertion holes d11 through which the second binding leg H is inserted, and a second bending portion d2 which is a bendable portion provided on one side edge of the second binding piece main body d1 and connects between the second binding piece main body d1 and the back cover a2.

[0035] The second binding piece D is configured to be foldable with the second binding piece main body d1 to the inner surface side of the back cover a2. The second binding piece main body d1 is connected to the back cover a2 via the second bending portion d2, and a portion other than the second bending portion d2 is not restricted with respect to the back cover a2.

[0036] The second binding piece D is bent by the second bending portion d2, and the posture in which the second binding piece main body d1 is folded back to the inner surface side of the back cover a2 is the basic posture. The welded end portion ht of the second binding leg H supported by the second binding piece D is positioned between the second binding piece main body d1 and the inner surface of the back cover a2.

[0037] The second binding piece main body d1 has a support surface d12 facing the side of the bound body, the clear pocket E, and capable of supporting the held end portion e2 of the clear pocket E, and a proximity opposing surface d13 opposing the inner surface of the back cover a2 at a position close to the inner surface side of the back cover a2.

[0038] The second bending portion d2 includes fold lines d21 extending in the vertical direction and provided in pairs left and right.

[0039] The first binding piece C and the second binding piece D connected to the front cover A are provided independently. That is, the first binding piece C and the second binding piece D are provided at a distance from each other.

[0040] Between the front cover A and the first and second binding pieces C and D, there is something that can temporarily hold the document P.

[0041] When the first and second binding pieces C and D are turned in the unfolded position (T) so that the holder J is located on the outer surface side of the front cover A, they can take a posture inclined with respect to the front cover A.

[0042] That is, in the unfolded position (T), when an operation is performed by the user to turn a part of the holder J to be located on the outer surface side of the front cover A, the holder body JH formed by overlapping the base sheet body 11 and the cover sheet 2 is located on the outer surface side of the front cover A. At this time, the outer hinge portion 122 and the inner hinge portion 121 of the extending portion 12 connected to the base sheet body 11 of the holder body JH and supported by the first and second binding legs G and H are bent respectively, and the vertically long strip-shaped portion between the outer hinge portion 122 and the inner hinge portion 121 of the extending portion 12 covers the upper sides of the first and second binding legs G and H, and the inner hinge portion 121 covers the outside of the first and second bending portions c2 and d2 adjacent to the front cover A.

[0043] That is, when the holder body JH moves to the outer surface side of the front cover A, the extending portion 12 pulls up the first and second binding pieces C and D via the first and second binding legs G and H so as to take a posture inclined with respect to the front cover A.

[0044] <Binding legs (the first binding leg G and the second binding leg H)> The clear pocket E and the holder J are bound by the first and second binding legs G and H which are binding members supported by the first and second binding pieces C and D. In this embodiment, the first and second binding legs G and H are each strip-shaped. The base end portions of the first and second binding legs G and H are welded to each other to form a closed loop.

[0045] The welding end gt in the first binding leg G is disposed between the proximity opposing surface c13 in the first binding piece main body c1 and the inner surface of the front cover a1. The welding end ht in the second binding leg H is disposed between the proximity opposing surface d13 in the second binding piece main body d1 and the inner surface of the back cover a2.

[0046] <Clear pocket E> The clear pocket E includes a pocket main body e1 capable of accommodating the document P through the opening e11 inside, and a held end portion e2 provided along the left end portion which is one end portion of the pocket main body e1, and having a first binding leg insertion hole e21 and a second binding leg insertion hole e22 through which the first and second binding legs G and H are inserted. In this embodiment, the opening e11 is provided in the pocket main body e1 so as to follow the held end portion e2.

[0047] The clear pocket E can be changed in posture following the change in posture of the cover A. In other words, when the cover A is folded in two, the clear pocket E bends at the center in the vertical direction following the cover A and is configured to be foldable in two.

[0048] The held end portion e2 has a belt-like shape extending in the vertical direction. In the upper half of the held end portion e2, a pair of upper and lower first binding leg insertion holes e21 through which the first binding leg G is inserted are provided. In the lower half of the held end portion e2, a pair of upper and lower second binding leg insertion holes e22 through which the second binding leg H is inserted are provided.

[0049] The second binding leg insertion hole e22 has an elongated hole shape extending in the vertical direction, and is configured such that the lower half of the clear pocket E can move relatively flexibly in the vertical direction with respect to the back cover a2 when the cover A is folded in two.

[0050] <Holder J> The holder J, which is a storage body, is configured to be able to easily sandwich and hold the document P. The holder J includes a base sheet 1 and a cover sheet 2. A storage space sp capable of accommodating the document P is formed between the base sheet 1 and the cover sheet 2.

[0051] The holder J is provided in a laminated manner on the inner surface of the cover A via first and second binding legs G and H supported by first and second binding pieces C and D together with a plurality of clear pockets E. And the holder J is positioned at the uppermost part (frontmost part) in the unfolded posture (T).

[0052] That is, the holder J is positioned at the uppermost part (frontmost part) in the unfolded posture (T), and can function to cover a plurality of clear pockets E from above (front side) as a substitute for the cover in the unfolded posture (T).

[0053] The holder J includes a base sheet 1, which is a first sheet body having a first bending part N extending in the left - right direction at an intermediate part in the up - down direction, and a cover sheet 2, which is a second sheet body superposed in front of the base sheet 1 and having a second bending part R extending in the left - right direction at an intermediate part in the up - down direction corresponding to the first bending part N.

[0054] The base sheet 1 includes a base sheet main body 11 having a vertically long rectangular shape in the unfolded posture (T), and an extended part 12 extending to the left - hand end, which is the binding - origin side of the base sheet main body 11.

[0055] The base sheet 1 is provided with a first bending part N at the central part in the up - down direction in the unfolded posture (T). The first bending part N includes a central fold line n1 extending in the left - right direction and upper and lower fold lines n2 extending in the left - right direction arranged above and below the central fold line n1.

[0056] The first bending portion N is provided across the entire width between the left and right end portions of the base sheet 1. In other words, the first bending portion N is provided at each vertical intermediate portion of the base sheet main body 11 and the extended portion 12. The base sheet 1 has an upper half portion 1a above the first bending portion N in the unfolded posture (T), and a lower half portion 1b below the first bending portion N.

[0057] As shown in FIG. 8, the first bending portion N has a substantially flat posture in which the central fold line n1 and the left and right fold lines n2 are located on substantially the same horizontal line in the unfolded posture (T), and as shown in FIG. 9, in the folded posture (F), the central fold line n1 is configured to form a valley fold shape located outside the left and right fold lines n2.

[0058] The base sheet main body 11 constitutes a holder main body JH having a storage space sp capable of accommodating the document P in cooperation with the cover sheet 2. The first bending portion N is provided between the upper half portion 111 and the lower half portion 112 of the base sheet main body 11.

[0059] A holding piece 113 capable of holding the upper left corner portion, which is the free end portion of the cover sheet 2, is disposed at the upper left corner portion of the base sheet main body 11. The holding piece 113 is a sheet-like member integrally extended from the upper end edge of the base sheet main body 11, and after being folded back to the front side of the base sheet main body 11, the left end portion thereof is welded to the left end portion of the base sheet main body 11. The cover sheet 2 is integrally or welded and connected to the right end portion and the lower end portion of the base sheet main body 11.

[0060] The extended portion 12 includes an inner hinge portion 121 extending in the vertical direction provided along the left end portion of the base sheet main body 11, an outer hinge portion 122 disposed substantially parallel to the inner hinge portion 121 and located outside the inner hinge portion 121, a pair of upper and lower first binding leg insertion holes 13 which are binding leg insertion holes disposed outside the outer hinge portion 121 in the upper half portion, and a pair of upper and lower second binding leg insertion holes 14 which are binding leg insertion holes disposed outside the outer hinge portion in the lower half portion.

[0061] The extension part 12 constitutes a holder body support part that supports a holder body JH mainly composed of a base sheet main body 11 and a cover sheet 2.

[0062] At the upper part of the extension part 12, a pair of upper and lower first binding leg insertion holes 13 through which the first binding leg G is inserted are provided. At the lower part of the extension part 12, a pair of upper and lower second binding leg insertion holes 14 through which the second binding leg H is inserted are provided. The second binding leg insertion holes 14 are formed in a long hole shape extending in the vertical direction, and when the front cover A is folded in half, the lower half of the holder J is configured to be easily movable relative to the back cover a2 in the vertical direction.

[0063] The cover sheet 2 is set to be substantially the same size as the base sheet main body 11. The cover sheet 2 can cover the base sheet main body 11 from the front side. The right end and the lower end of the cover sheet 2 are connected to the base sheet main body 11 integrally or by welding.

[0064] The cover sheet 2 includes an upper half part 21 having a horizontally long rectangular shape, a lower half part 22 having a horizontally long rectangular shape, a second bending part R disposed between the upper half part 21 and the lower half part 22, and a notch part 23 for avoiding continuity between the right end edge of the second bending part R and the base sheet main body 11.

[0065] The second bending part R is provided at the vertical center part of the cover sheet 2 in the unfolded posture (T). The second bending part R includes a plurality of fold lines, that is, a central fold line r1 extending linearly in the left - right direction and upper and lower fold lines r2 extending linearly in the left - right direction arranged above and below the central fold line r1.

[0066] As shown in FIG. 9, the second bending part R is configured to bend in a direction away from the first bending part N in the folded posture (F). More specifically, the second bending part R is configured to form a mountain - fold shape in which the central fold line r1 is located inside the left and right fold lines r2 in the folded posture (F).

[0067] Further, in this embodiment, the second bending portion R does not have a flat shape in the deployed posture (T), but has a gentler mountain-fold shape than in the folded posture (F). That is, the second bending portion R maintains a mountain-fold shape in which the central fold line r1 is located inside the left and right fold lines r2 even in the deployed posture (T).

[0068] The holder J is configured such that the base sheet 1 and the cover sheet 2 can take the folded posture (F) and the deployed posture (T) with the first and second bending portions N and R as rotation centers. That is, the holder J can change its posture following the posture change of the cover A. In other words, when the cover A is folded in half, the holder J is configured to bend at the first and second bending portions N and R provided at the center in the vertical direction following the cover A and be foldable in half.

[0069] When the holder J takes the folded posture (F) along with the posture change of the cover A, as shown in FIG. 9, the central fold line n1 in the first bending portion N and the central fold line r1 in the second bending portion R are widely separated. Also, at this time, the upper and lower fold lines r2 in the second bending portion R are movable in a direction approaching each other.

[0070] Therefore, in the folded posture (F), a relatively large bending portion space sk is secured between the first bending portion N and the second bending portion R in the holder J, in which the bent portion pe of the document P is disposed. That is, since the holder J can form a bending portion space sk with sufficient clearance to accommodate the bent portion pe of the document P between the first and second bending portions N and R even in the folded posture (F), it can preferably accommodate a relatively large number of documents P.

[0071] As described above, the file according to this embodiment is a holder J which is a storage body in which a storage space sp is formed by a base sheet 1 which is a first sheet body having a first bending portion N in the middle portion, and a cover sheet 2 which is a second sheet body having a second bending portion R in the middle portion corresponding to the first bending portion N and which is superimposed on the base sheet 1.

[0072] And the base sheet 1 and the cover sheet 2 can take a folded posture (F) and a deployed posture (T) with the first and second bending portions N and R as rotation centers. The second bending portion R is provided with a central and upper and lower fold lines r1 and r2 which are a plurality of fold lines, and has a configuration of bending in a direction away from the first bending portion N in the folded posture (F).

[0073] Therefore, in the case of the file of this embodiment, regardless of the quantity of the documents P stored between the base sheet 1 and the cover sheet 2 constituting the holder J, a suitable folded posture (F) can be adopted.

[0074] That is, the cover sheet 2 has a second bending portion R provided with a central and upper and lower fold lines r1 and r2, and the second bending portion R has a configuration of bending in a direction away from the first bending portion N in the folded posture (F). Therefore, the holder J of the file in this embodiment is configured to be able to suitably accommodate the bent portion pe of the document P regardless of whether the number of sheets of the stored document P is large or small.

[0075] A central and upper and lower fold lines n1 and n2 which are a plurality of fold lines are also provided on the first bending portion N.

[0076] For this reason, since the first bending portion N bends flexibly based on the central and upper and lower fold lines n1 and n2, it can cooperate with the second bending portion R to suitably accommodate the bent portion pe of the document P.

[0077] The second bending part R forms a mountain fold in the folded posture (F).

[0078] Therefore, the second bending part R is preferably bent in a direction away from the first bending part N as the posture changes from the deployed posture (T) to the folded posture (F).

[0079] The first bending part N forms a valley fold in the folded posture (F).

[0080] Therefore, not only is the first bending part N preferably bent in a direction away from the second bending part R as the posture changes from the deployed posture (T) to the folded posture (F), but it is also easy to form a large gap space between the first bending part N and the second bending part R.

[0081] The second bending part R forms a gentler mountain fold in the deployed posture (T) than in the folded posture (F).

[0082] Therefore, the second bending part R can be induced to surely deform into a mountain fold when the posture changes from the deployed posture (T) to the folded posture (F).

[0083] The holder J, which is a storage body, is provided in a stacked manner together with the clear pocket E, which is another storage member, and is positioned at the top in the deployed posture (T), that is, above the plurality of clear pockets E.

[0084] Therefore, in the deployed posture (T), the holder J covers the clear pocket E as a substitute for the cover, contributing to the proper use of the file in the deployed posture (T).

[0085] The holder J is supported on the cover A having the front cover a1 and the back cover a2, and the base sheet 1 and the cover sheet 2 are configured to be relatively movable with respect to the back cover a2.

[0086] Therefore, when the file changes its posture between the folded posture (F) and the unfolded posture (T), the cover A and the holder J can move relative to each other, so that the posture change can be performed smoothly.

[0087] The holder J can hold the document P by sandwiching it between the base sheet 1 and the cover sheet 2.

[0088] Therefore, the file of the present embodiment can be arbitrarily selected by the user between a usage mode in which the document P is held by the holder J and a usage mode in which the document P is held in the clear pocket E according to the usage frequency, application, etc. of the document P.

[0089] Note that the present invention is not limited to the embodiments described in detail above.

[0090] The first bending portion provided on the first sheet body may not have a fold line provided thereon.

[0091] The number of fold lines provided on the first and second bending portions can be appropriately set.

[0092] The storage body is not limited to the holder, and any body that can store documents, articles, etc. may be used.

[0093] The storage body may be configured to be movable relative to the front cover of the cover.

[0094] In addition, the specific configuration of each part is not limited to the above embodiments, and various modifications are possible without departing from the spirit of the present invention.

Explanation of Reference Numerals

[0095] 1... Base sheet (first sheet body) 2... Cover sheet (second sheet body) N... First bending portion R... Second bending portion J... Storage body (holder)

Claims

1. A storage body in which a storage space is formed by a first sheet body having a first bending portion in the middle portion and a second sheet body having a second bending portion in the middle portion corresponding to the first bending portion and being superimposed on the first sheet body, The first bending portion has a central fold line and upper and lower fold lines that are linear and parallel to each other, and the second bending portion has a central fold line and upper and lower fold lines that are linear and parallel to each other. The first and second sheet bodies can take a folded posture and an unfolded posture with the first and second bending portions as rotation centers, The second bending portion is configured to bend in a direction away from the first bending portion in the folded posture.

2. The storage body according to claim 1, wherein the second bending portion is in a mountain fold shape in the folded posture.

3. The storage body according to claim 2, wherein the first bending portion is in a valley fold shape in the folded posture.

4. The storage body according to claim 2, wherein the second bending portion is in a gentler mountain fold shape in the unfolded posture than in the folded posture.

5. The storage body according to claim 1, 2, 3 or 4, which constitutes a holder capable of sandwiching and holding documents between the first sheet body and the second sheet body.

6. A file in which the storage body is provided in a stacked manner together with other storage members, The storage body is formed by a first sheet body having a first bending portion in the middle portion and a second sheet body having a second bending portion in the middle portion corresponding to the first bending portion and being superimposed on the first sheet body, The first and second sheet bodies can take a folded posture and an unfolded posture with the first and second bending portions as rotation centers, The second bent portion is provided with a plurality of fold lines and is configured to bend in a direction away from the first bent portion in the folded posture. A file in which the storage body is positioned at the uppermost part in the unfolded posture.

7. A file provided with a storage body, The storage body is supported by a cover having a front cover and a back cover, The storage body is formed by a first sheet body having a first bent portion in the middle part and a second sheet body having a second bent portion in the middle part corresponding to the first bent portion and being overlapped on the first sheet body, and a storage space is formed. The first and second sheet bodies can take a folded posture and an unfolded posture with the first and second bent portions as rotation centers. The second bent portion is provided with a plurality of fold lines and is configured to bend in a direction away from the first bent portion in the folded posture. A file in which the first and second sheet bodies are configured to be relatively movable with respect to the front cover or the back cover.

8. The file according to claim 6 or 7, wherein the storage body is also provided with a plurality of fold lines at the first bent portion.

9. The file according to claim 6, 7 or 8, wherein the second bent portion of the storage body forms a mountain fold in the folded posture.

10. The file according to claim 9, wherein the first bent portion of the storage body forms a valley fold in the folded posture.

11. The file according to claim 9, wherein the second bent portion of the storage body forms a gentler mountain fold in the unfolded posture than in the folded posture.

12. The file according to claim 6, 7, 8, 9, 10 or 11, wherein the storage body constitutes a holder capable of sandwiching and holding documents between the first sheet body and the second sheet body.

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