File

Abstract

To provide a file that has such a structure as one sheet forming multiple partitions by being folded at folding parts can be favorably fixed on other sheet.SOLUTION: The file has a storage part sp whose space is partitioned by a front partitioning sheet 3 and a back partitioning sheet 4 that are multiple partitions. The front partitioning sheet 3 and the back partitioning sheet 4 are formed by folding a sheet A at a folding part a1, and a fixing piece C provided in the proximity of the folding part a1 on the sheet A is provided deviated to either the right side or the left side to the middle part in the longitudinal direction of the front partitioning sheet 3 and the back partitioning sheet 4 and is fixed to a cover 1 that is other sheet.SELECTED DRAWING: Figure 6

Description

Technical Field

[0001] The present invention relates to a file capable of accommodating sheets of paper.

Background Art

[0002] Conventionally, various files having a storage section capable of storing documents have been known (see, for example, Patent Document 1).

[0003] In this type of file, it is possible to partition the space in the storage section into a plurality of spaces by disposing a sheet-like partition in the storage section constituted by the file body.

[0004] As one measure for providing a plurality of partitions in the storage section while suppressing the number of parts, forming a plurality of partitions by bending a single sheet at the bending portion has been studied.

[0005] However, when disposing the plurality of partitions described above in the storage section, the portion on the open end side rather than the bending portion must be fixed to the file body by welding or the like. Therefore, when storing documents in the storage section of such a file, the portion where the plurality of partitions are fixed to the file body becomes an obstacle, and the documents cannot be stored all the way to the back.

Prior Art Documents

Patent Documents

[0006]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0007] The present invention has been made paying attention to the above circumstances, and provides a file having a configuration capable of suitably fixing a single sheet on which a plurality of partitions are formed by folding at least at a bent portion to another sheet.

Means for Solving the Problems

[0008] That is, the present invention has the following configuration.

[0009] The invention according to claim 1 is a file provided with a storage portion partitioned by partitions, wherein the partitions are provided in a plurality in the storage portion by folding a single sheet at a bent portion, and a sheet-like fixing piece is provided in the vicinity of the bent portion of the sheet, the fixing piece is disposed so as to be biased to either the left or right side with respect to the intermediate portion in the left-right direction of the partition, and the fixing piece is fixed to another sheet.

[0010] The invention according to claim 2 is the file according to claim 1, wherein the fixing piece is cut and raised from the vicinity of the bent portion of the sheet. Fold

[0011] The invention according to claim 3 is the file according to claim 1 or 2, wherein the fixing piece is provided so as to be cut and raised by forming a slit substantially in a U shape with respect to the sheet.

[0012] The invention according to claim 4 is the file according to claim 1, 2 or 3, wherein the storage portion can be folded in half, and the other sheet is a cover.

[0013] The invention according to claim 5 is the file according to claim 1, 2, 3 or 4, wherein the bent portion is located at the lower end of the partition, and the fixing piece is fixed to the lower portion of the other sheet.

[0014] ​The invention according to claim 6 is a file according to claim 1, 2, 3, 4 or 5, wherein the storage part is mainly composed of the other sheet and the front sheet disposed in front of the other sheet.

[0015] The invention according to claim 7 is a file according to claim 1, 2, 3, 4, 5 or 6, wherein the storage part can be folded in two, and a plurality of the partitions each include one half part located on one side of the storage part folded in two and the other half part located on the other side, and the bending part is provided only between the half parts on one side of the plurality of partitions, and the half parts on the other side are disposed so as to be relatively movable.

[0016] The invention according to claim 8 is configured to be openable and closable between an unfolded posture in which the storage part is not folded in two and a closed posture in which the storage part is folded in two, wherein the relative movement is a left-right movement that occurs with a change in posture between the unfolded posture and the closed posture, according to claim 7.

Advantages of the Invention

[0017] As described above, according to the present invention, it is possible to provide a file having a configuration capable of preferably fixing a single sheet formed with a plurality of partitions by folding at least at the bending part with respect to another sheet.

Brief Description of the Drawings

[0018]

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

Figure 14

Figure 15

Figure 16

Mode for Carrying Out the Invention

[0019] Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 15. In the drawings, the welding part (welded part) is denoted by reference sign y. Also, the left - right and up - down directions in the specification are shown for convenience of explanation.

[0020] This embodiment applies the present invention to a file provided with a two - foldable storage part sp capable of accommodating documents P such as sheets of paper.

[0021] The file has a two - foldable storage part sp configured to include a base sheet 4 which is the front sheet and a cover 1 which is the rear sheet located behind the base sheet 4.

[0022] The file is configured to be able to open and close between an unfolded posture (T) in which the storage part sp is not folded in half and a closed posture (F) in which the storage part sp is folded in half. That is, the file includes a cover 1 having a front cover 11 and a back cover 12, and is in an unfolded posture (T) which is a two-page spread posture in which the front cover 11 and the back cover 12 can be unfolded so as to be substantially flush, and a closed posture (F) in which the inner surfaces of the front cover 11 and the back cover 12 are substantially parallel so as to face each other, and is configured to be rotatable about the central portion in the left-right direction as a rotation center.

[0023] The file includes a cover 1 having a front cover 11 which is the left half and a back cover 12 which is the right half, a plurality of, that is, two front and rear partition sheets, a front partition sheet 3 and a rear partition sheet 2, arranged on the front side of the cover 1, a base sheet 4 arranged on the front side of the front partition sheet 3, a pocket sheet 5 arranged on the front side of the left half of the base sheet, that is, the left half of the base sheet 41, and capable of forming a pocket in cooperation with the left half of the base sheet 41 for accommodating an article, and a holding sheet 6 arranged so as to cover the front and rear of the right half of the base sheet, that is, the right half of the base sheet 42, and holding the right half of the base sheet 42 so as to be relatively movable in the left-right direction while suppressing movement in the up-down direction.

[0024] The file is provided with first and second guide mechanisms G1 and G2, which are guide mechanisms for guiding the right half of the base sheet 42, which is a half of the front sheet, to be relatively movable in a predetermined direction with respect to the half of the rear sheet, that is, the back cover 12.

[0025] <Cover 1> The cover 1 is generally substantially horizontally long and rectangular in shape. The cover 1 is made of a sheet material that is thicker than other sheets, that is, the front partition sheet 3, the rear partition sheet 2, the base sheet 4, the pocket sheet 5, and the holding sheet 6.

[0026] The front cover 1 includes a front cover sheet 11 having a substantially vertically long rectangular shape located on the left side in the unfolded posture (T), a back cover sheet 12 having a substantially vertically long rectangular shape located on the right side in the unfolded posture (T), and a back cover 13 which is a hinge portion interposed between the front cover sheet 11 and the back cover sheet 12.

[0027] At the upper edge of the front cover sheet 11, a recessed portion 11a is formed where the rubber band B provided on the back cover 13 can engage in the closed posture (F). Further, at the upper edge of the front cover sheet 11, a notch portion 11b is formed at a position corresponding to a rear finger hook convex piece 21a protruding from the upper end portion of the rear partition sheet 2 and a front finger hook convex piece 31a protruding from the upper end portion of the front partition sheet 3.

[0028] Both ends of the rubber band B for holding the closed posture (F) on the outer surface side are attached to the back cover sheet 12 via known attachment means. At the upper end portion of the back cover sheet 12, a recessed portion 12a where the rubber band B can engage is formed in the same manner as the front cover sheet 11.

[0029] The back cover 13 entirely constitutes a hinge portion. The back cover 13 includes a pair of left and right inward folding lines m1 extending in the vertical direction, and a pair of left and right outward folding lines m2 extending in the vertical direction arranged outside each of the pair of left and right inward folding lines m1. The back cover 13 includes a back cover main body 13a provided between the pair of left and right inward folding lines m1, and side end auxiliary portions 13b provided on both side portions of the back cover main body 13a and located between the inward folding line m1 and the outward folding line m2.

[0030] <Rear partition sheet 2 (partition)> The rear partition sheet 2 which is a partition is disposed in front of the cover 1. The rear partition sheet 2 has a horizontally long rectangular sheet shape as a whole. The rear partition sheet 2 includes a rear partition sheet left half portion 21 having a substantially vertically long rectangular shape located on the left side in the unfolded posture (T), a rear partition sheet right half portion 22 having a substantially vertically long rectangular shape located on the right side in the unfolded posture (T), and a rear partition sheet hinge portion 23 which is a hinge portion interposed between the rear partition sheet left half portion 21 and the rear partition sheet right half portion 22.

[0031] On the left half 21 of the rear partition sheet, a rear finger hook convex piece 21a having a shape that is easy for the user to pick with a finger is protruding at the upper end. At the lower part of the left half 21 of the rear partition sheet, a fixing piece C that is welded to the inner surface side of the front cover 11 is protruding. The configuration of the fixing piece C will be described in detail later.

[0032] The right half 22 of the rear partition sheet is provided with an end recess 22a after recessing the lower half of the right edge toward the rear partition sheet hinge portion 23 side. The later end recess 22a is provided to avoid interference with the right welded piece 66 of the holding sheet 6 welded to the lower half of the right edge of the back cover 13 and the right margin 65 adjacent to the right welded piece 66.

[0033] The rear partition sheet hinge portion 23 includes a central fold line n1 extending in the vertical direction and provided at substantially equal intervals in the horizontal direction, and left and right fold lines n2.

[0034] The right half 22 of the rear partition sheet and the rear partition sheet hinge portion 23 that constitute the rear partition sheet 2 are in a state of not being directly and indirectly fixed to other sheets. In other words, the right half 22 of the rear partition sheet and the rear partition sheet hinge portion 23 are fixed to the cover 1 by welding via the left half 21 of the rear partition sheet.

[0035] <The front partition sheet 3 (partition)> The front partition sheet 3 is disposed in front of the rear partition sheet 2. The front partition sheet 3 is generally in the shape of a horizontally long rectangular sheet. The front partition sheet 3 includes a left half 31 of the front partition sheet having a substantially vertically long rectangular shape located on the left side in the unfolded posture (T), a right half 32 of the front partition sheet having a substantially vertically long rectangular shape located on the right side in the unfolded posture (T), and a front partition sheet hinge portion 33 that is a hinge portion interposed between the left half 31 of the front partition sheet and the right half 32 of the front partition sheet.

[0036] On the left half 31 of the front partition sheet, a front finger hook convex piece 31a having a shape that can be easily picked up by the user's finger is protruding at the upper end. Note that the front finger hook convex piece 31a is provided at a position shifted to the right with respect to the rear finger hook convex piece 21a in a front view in the unfolded posture (T). At the lower part of the left half 31 of the front partition sheet, a punching hole D is formed along with the formation of the fixing piece C.

[0037] The right half 32 of the front partition sheet is provided with a front edge recess 32a that recesses the lower half of the right edge toward the front partition sheet hinge portion 33 side. The front edge recess 32a is provided to avoid interference with the right welded piece 66 of the holding sheet 6 welded to the lower half of the right edge of the back cover 13 and the right margin 65 adjacent to the right welded piece 66.

[0038] The front partition sheet hinge portion 33 includes center and left and right fold lines r1, r2 extending in the vertical direction and provided at substantially equal intervals in the horizontal direction.

[0039] The right half 32 of the front partition sheet and the front partition sheet hinge portion 33 that constitute the front partition sheet 3 are in a state of not being directly and indirectly fixed to other sheets. In other words, the right half 32 of the front partition sheet and the front partition sheet hinge portion 33 are fixed to the cover 1 via the left half 21 of the rear partition sheet continuously provided to the left half 31 of the front partition sheet via the bent portion a1.

[0040] The file of this embodiment is provided with a storage portion sp partitioned by the front partition sheet 3 and the rear partition sheet 2 that are partitions.

[0041] The front partition sheet 3 and the rear partition sheet 2, which are partitions, are configured to overlap front and back by bending a single sheet A shown in FIG. 10 at the bending portion a1, which is a continuous boundary portion. And a fixing piece C raised from the vicinity of the bending portion a1 in the single sheet A is welded to the inner surface of the front cover 11, which is another sheet.

[0042] The fixing piece C is disposed so as to be biased toward the left half portion 21 of the rear partition sheet and the left half portion 31 of the front partition sheet, which are the left sides with respect to the intermediate portion in the left - right direction in the front partition sheet 3 and the rear partition sheet 2, which are partitions.

[0043] In other words, the front partition sheet 3 and the rear partition sheet 2, which are two partitions, are provided in the storage portion sp by bending a single sheet A at the bending portion a1. And a fixing piece C raised from the vicinity of the bending portion a1 in the single sheet A is fixed by welding to the inner surface at the lower part of the front cover 11, which is another sheet.

[0044] The fixing piece C is provided so as to be able to be raised from the left half portion 21 side of the rear partition sheet by forming a fixing - piece - forming slit a2 having a substantially U - shaped cross - section that extends across both ends between the lower ends of the left half portion 31 of the front partition sheet and the left half portion 21 of the rear partition sheet that constitute a single sheet A.

[0045] The slit a2 includes a horizontal slit portion a21 that linearly extends in the left - right direction and vertical slit portions a22 that extend from both ends of the horizontal slit portion a21 in a direction substantially orthogonal to the horizontal slit portion a21 (the direction of the rear partition sheet 2). The horizontal slit portion a21 is provided in the left half portion 31 of the front partition sheet, and the vertical slit portions a22 are provided across the left half portion 31 of the front partition sheet and the left half portion 21 of the rear partition sheet.

[0046] The base end of the fixing piece C is disposed on the left half portion 21 of the rear partition sheet. The fixing piece C is provided with a fixing piece bending portion c1 positioned at a height substantially corresponding to the bending portion a1 on the tip side of the base end. The fixing piece C is bent by the fixing piece bending portion c1, and the tip portion c2 positioned on the tip side thereof forms a posture in which it extends upward. The tip portion c2 of the fixing piece C is welded to the inner surface side of the front cover 1 through the lower welded piece 53 in the pocket sheet 5.

[0047] The front partition sheet 3 and the rear partition sheet 2, which are a plurality of partitions, include a left half portion 31 of the front partition sheet and a left half portion 21 of the rear partition sheet located on the left side, which is one side of the double-folded storage portion sp, and a right half portion 32 of the front partition sheet and a right half portion 22 of the rear partition sheet located on the right side, which is the other side.

[0048] And in this embodiment, the bending portion a1 is provided only between one-side half portions of the front partition sheet 3 and the rear partition sheet 2, that is, only between the left half portion 31 of the front partition sheet and the left half portion 21 of the rear partition sheet, and the right half portions 32 of the front partition sheet and the right half portion 22 of the rear partition sheet, which are the other-side half portions, are disposed so as to be relatively movable with respect to each other.

[0049] In other words, one sheet A is connected only between the left half portion 31 of the front partition sheet and the left half portion 21 of the rear partition sheet via the bending portion a1, and the right half portion 32 of the front partition sheet and the right half portion 22 of the rear partition sheet are separated from each other.

[0050] The relative movement is a left-right movement accompanied by a posture change between the unfolded posture (T) and the closed posture (F).

[0051] <Base sheet 4> The base sheet 4 is fixed to the pocket sheet 5 fixed to the front cover 11 by welding. That is, the left half portion 41 of the base sheet is indirectly fixed to the front cover 11 via the pocket sheet 5.

[0052] The height dimension of the base sheet 4 is set such that its upper end portion is located at the vertical intermediate portion of the front cover 1, the rear partition sheet 2, and the front partition sheet 3. More specifically, the base sheet 4 is set to approximately half the height of the front cover 1, the rear partition sheet 2, and the front partition sheet 3.

[0053] The file is configured such that the height of the base sheet 4, which is the front sheet, is lower than the heights of the front cover 1, the rear partition sheet 2, and the front partition sheet 3, which are the rear sheets. Therefore, as shown in an example in FIG. 14, in the unfolded posture (T), the upper half portions of the front partition sheet 3 and the rear partition sheet 2 arranged behind the base sheet 4 can be moved forward by the operation of the user in order to check the stored items stored in the storage portion sp.

[0054] The base sheet 4 is disposed in front of the front partition sheet 3. The base sheet 4 includes a substantially horizontally long rectangular base sheet left half portion 41 located on the left side in the unfolded posture (T), a substantially horizontally long rectangular base sheet right half portion 42 located on the right side in the unfolded posture (T), a base sheet hinge portion 43 which is a hinge portion interposed between the base sheet left half portion 41 and the base sheet right half portion 42, and a pocket lid forming piece 44 integrally extending from the upper end edge of the base sheet left half portion 41.

[0055] A left welded piece 45 extends from the left end portion of the base sheet left half portion 41. The left welded piece 45 is welded to the inner surface of the left end portion of the pocket sheet 5 fixed to the front cover 11 by welding (more specifically, the inner surface of the left margin 54). The lower end portion of the base sheet left half portion 41 is disposed so as to be adjacent or close to the inner surface of the pocket sheet 5 fixed to the front cover 11 by welding.

[0056] In the right half portion 42 of the base sheet, a slit E extending vertically is provided at a position close to the base sheet hinge portion 43. A tongue piece 67 protruding from the holding sheet 6 is inserted into the slit E. The slit E and the tongue piece 67 constitute a first guide mechanism G1 which is a guide mechanism. Note that the slit E and the tongue piece 67 are provided at a position covered from the front side by the front holding sheet portion 61 of the holding sheet 6.

[0057] The base sheet hinge portion 43 includes a central fold line s1 extending vertically and provided at substantially equal intervals in the left - right direction, and left and right fold lines s2.

[0058] A folded - back protruding piece 44a protrudes from the tip of the pocket lid forming piece 44. The folded - back protruding piece 44a is inserted into a slit 51b formed in the pocket sheet 5. When the folded - back protruding piece 44a is inserted into the slit 51b, the pocket lid forming piece 44 is held in a posture of closing the pocket. The folded - back protruding piece 44a is folded back along the inner surface side of the pocket lid forming piece 44, and the vicinity of its base end portion is welded to the inner surface of the pocket lid forming piece 44.

[0059] The right half portion 42 of the base sheet and the base sheet hinge portion 43 that constitute the base sheet 4 are not directly and indirectly fixed to other sheets. In other words, the right half portion 42 of the base sheet and the base sheet hinge portion 43 are fixed to the cover 1 via the left half portion 41 of the base sheet welded to the pocket sheet 5.

[0060] <Pocket Sheet 5> The pocket sheet 5 can cooperate with the left half portion 41 of the base sheet and the pocket lid forming piece 44 protruding above the left half portion 41 of the base sheet to form a pocket capable of accommodating an article.

[0061] The pocket sheet 5 includes a pocket sheet body 51 having a window portion 51a where a transparent film sheet fs is disposed and the inside can be visually recognized, and a slit 51b provided above the window portion 51a so as to extend in the left-right direction and into which a folded projection piece 44a provided on the pocket lid forming piece 44 can be inserted; a lower flange 52 continuously provided from the lower edge of the pocket sheet body 51; a lower welded piece 53 continuously provided from the extending end of the lower flange 52 and fixed to the lower end portion of the front cover 11 by welding; a left flange 54 continuously provided from the left edge of the pocket sheet body 51; a left welded piece 55 continuously provided from the extending end of the left flange 54 and fixed to the left end portion of the front cover 11 by welding; a right flange 56 continuously provided from the right edge of the pocket sheet body 51; and a right welded piece 57 continuously provided from the extending end of the right flange 56 and fixed to the right end portion of the left half of the base sheet 41 by welding.

[0062] <Holding sheet 6> The holding sheet 6, which is the third sheet, is capable of holding the right half of the base sheet 42 so as to be relatively movable in the left-right direction.

[0063] The holding sheet 6 includes a front holding sheet portion 61 disposed in front of the right half of the base sheet 42; a rear holding sheet portion 62 continuously provided via a bent portion 6a which is a folding portion at the upper edge of the front holding sheet portion 61 and disposed behind the right half of the base sheet 42 and in front of the right half of the front partition sheet 32; a lower flange 63 continuously provided from the lower edge of the front holding sheet portion 61; a lower welded piece 64 continuously provided from the extending end of the lower flange 63 and fixed to the lower end portion of the back cover 12 by welding; a right flange 65 continuously provided from the right edge of the front holding sheet portion 61; a right welded piece 66 continuously provided from the extending end of the right flange 65 and fixed to the right end portion of the back cover 12 by welding; and a tongue piece 67 continuously provided from the left edge of the front holding sheet portion 61 via a folding portion 67b and disposed on the rear side of the front holding sheet portion 61.

[0064] The front holding sheet portion 61 is provided with a slit 61a for holding a card which extends obliquely in the left-right direction.

[0065] The tongue piece 67 is folded back along the inner surface side of the front holding sheet portion 61, and its vicinity near the base end portion is welded to the inner surface, that is, the back surface of the front holding sheet portion 61. The tongue piece 67 is inserted into a slit E provided in the right half portion 42 of the base sheet, and can hold the posture of the right half portion 42 of the base sheet by restricting the movement in the vertical direction while allowing the relative movement in the horizontal direction of the holding sheet 6 of the right half portion 42 of the base sheet.

[0066] A protrusion 67a is provided at the upper part of the protruding end of the tongue piece 67 to suppress the tongue piece 67 from coming out of the slit E by engaging with the opening edge of the slit E. The protrusion 67a of the tongue piece 67 can define the limit position of the relative movement in the right direction with respect to the tongue piece 67 when the right half portion 42 of the base sheet takes the closed posture (F).

[0067] <The first guide mechanism G1 and the second guide mechanism G2 (guide mechanism)> The first and second guide mechanisms G1 and G2 can guide the relative movement in the horizontal direction of the right half portion 42 of the base sheet, which is the first half portion of the front sheet, with respect to the back cover 12, which is the first half portion of the back sheet, in the posture change between the unfolded posture (T) in which the storage portion sp is not folded in half and the closed posture (F) in which the storage portion sp is folded in half, while suppressing the displacement movement in the vertical direction of the right half portion 42 of the base sheet.

[0068] In addition, the second half portions of the front sheet and the back sheet, that is, the front cover 11 and the left half portion 41 of the base sheet, are fixed to each other via the pocket sheet 5. In other words, the front cover 11 and the left half portion 41 of the base sheet are configured such that they can hardly move relative to each other in the horizontal direction.

[0069] The first guide mechanism G1 is composed of a slit E provided in the right half portion 42 of the base sheet 4 which is the front sheet, and a tongue piece 67 which is indirectly provided on the back cover 12 which is the right half portion of the rear sheet via the holding sheet 6 and is inserted into the vertically extending slit E formed in the right half portion 42 of the base sheet and is capable of moving forward and backward in the left-right direction.

[0070] The second guide mechanism G2 has a holding sheet 6 which is a third sheet fixed by welding to the back cover 12 which is the right half portion of the front cover 1 which is the rear sheet, and is configured such that the upper edge je of the right half portion 42 of the base sheet which is the right half portion of the front sheet can engage with the bent portion 6a formed between the front holding sheet portion 61 and the rear holding sheet portion 62 of the holding sheet 6.

[0071] <Relative position of the hinge portion> On the cover 1, a back cover 13 which is a hinge portion having a plurality of folding lines, an inner folding line m1 and an outer folding line m2, is provided between the front cover 11 which is one half portion located on one side of the double-folded storage portion sp and the back cover 12 which is the other half portion located on the other side.

[0072] On the rear partition sheet 2, a rear partition sheet hinge portion 23 which is a hinge portion having a plurality of folding lines, a central folding line n1 and left and right folding lines n2, is provided between the left half portion 21 of the rear partition sheet which is one half portion located on one side of the double-folded storage portion sp and the right half portion 22 of the rear partition sheet which is the other half portion located on the other side.

[0073] On the front partition sheet 3, a front partition sheet hinge portion 33 which is a hinge portion having a plurality of folding lines, a central folding line r1 and left and right folding lines r2, is provided between the left half portion 31 of the front partition sheet which is one half portion located on one side of the double-folded storage portion sp and the right half portion 32 of the front partition sheet which is the other half portion located on the other side.

[0074] The base sheet 4 is provided with a base sheet hinge portion 43 which is a hinge portion having a central fold line s1 and left and right fold lines s2 between a left half portion 41 of the base sheet which is one half portion located on one side of the folded storage portion sp and a right half portion 42 of the base sheet which is the other half portion located on the other side.

[0075] In the unfolded posture (T) of the file of the present embodiment, the back cover 13, the rear partition sheet hinge portion 23, the front partition sheet hinge portion 33, and the base sheet hinge portion 43 are arranged in this order from the rear to the front. And the back cover 13, the rear partition sheet hinge portion 23, the front partition sheet hinge portion 33, and the base sheet hinge portion 43 are arranged at relatively offset positions in the unfolded posture (T).

[0076] More specifically, in a front view of the unfolded posture (T), the rear partition sheet hinge portion 23 which is a hinge portion is arranged at a position offset to the left of the back cover 13 which is a hinge portion, and the front partition sheet hinge portion 33 which is a hinge portion is arranged at a position offset to the left of the rear partition sheet hinge portion 23, and the base sheet hinge portion 43 which is a hinge portion is arranged at a position offset to the left of the front partition sheet hinge portion 33.

[0077] In other words, the file is provided with a first hinge portion (the rear partition sheet hinge portion 23, the front partition sheet hinge portion 33, or the base sheet hinge portion 43) having a fold line which is a plurality of fold curves between one half portion and the other half portion of the front sheet, and a second hinge portion (the back cover 13, the rear partition sheet hinge portion 23, or the front partition sheet hinge portion 33) having a fold line which is a plurality of fold curves between one half portion and the other half portion of the rear sheet. And the first hinge portion located in front of the second hinge portion in a front view of the unfolded posture (T) is arranged at a position offset to the left with respect to the second hinge portion located behind the first hinge portion in a front view of the unfolded posture (T).

[0078] In addition, the distance between the left and right inner fold lines m1 in the spine 13, the distance between the inner fold line m1 and the outer fold line m2, the distance between the central fold line n1 and the left and right fold lines n2 in the rear partition sheet hinge portion 23, the distance between the central fold line r1 and the left and right fold lines r2 in the front partition sheet hinge portion 33, and the distance between the central fold line s1 and the left and right fold lines s2 in the base sheet hinge portion 43 are set to be different from one another.

[0079] As described above, the file according to this embodiment has a storage section sp whose space is divided by the dividers, the front partition sheet 3 and the rear partition sheet 2. A plurality of the front partition sheets 3 and the rear partition sheets 2 are provided in the storage section sp by folding a single sheet A at the folding portion a1.

[0080] A piece-shaped fixing piece C is provided near the folded portion a1 in the front partition sheet 3 and the rear partition sheet 2. The fixing piece C is biased toward the rear partition sheet left half portion 21 and front partition sheet left half portion 31, which are the left side of the left-right middle portion of the front partition sheet 3 and the rear partition sheet 2, which are the partitions, and the fixing piece C is fixed to the cover sheet 1, which is another sheet.

[0081] Therefore, in the file of this embodiment, a single sheet A having multiple dividers, that is, a front partition sheet 3 and a rear partition sheet 2, formed by folding at the folding portion a1 can be suitably fixed to the cover 1.

[0082] Furthermore, since the fixed piece C fixed to the cover 1 is biased toward the left side, that is, the rear partition sheet left half portion 21 and the front partition sheet left half portion 31, it is possible to suitably increase the freedom and flexibility of overall or partial movement of the front partition sheet 3 and the rear partition sheet 2 caused by opening and closing operations of the cover 1, etc.

[0083] Since the fixing piece C lifted from near the bending part a1 on one sheet A is fixed to the front cover 1 which is another sheet, the fixing piece C is suitably provided with respect to the sheet A.

[0084] That is, since the fixing piece C lifted from near the bending part a1 on one sheet A is fixed to the front cover 1, the fixing piece C is unlikely to interfere with the document P stored in the storage part sp, and the document P can be suitably accommodated deep inside.

[0085] The fixing piece C is provided so as to be liftable by forming a slit a2 having a substantially U shape with respect to one sheet A.

[0086] Therefore, the fixing piece C can be easily formed from one sheet A.

[0087] Since the file can be folded in two at the storage part sp, it can be made into a compact form when carried etc.

[0088] The bending part a1 is located at the lower ends of the front partition sheet 3 and the rear partition sheet 2, and the fixing piece C is fixed to the lower part of the front cover 1.

[0089] Therefore, the fixing piece C for fixing the front partition sheet 3 and the rear partition sheet 2 is arranged at a suitable position where it is difficult to interfere with the storage of the document P.

[0090] The storage part sp is mainly composed of the front cover 1 and the base sheet 4 which is a front sheet arranged in front of the front cover 1.

[0091] Therefore, the storage part sp can be suitably formed between the front cover 1 and the base sheet 4.

[0092] The storage part sp can be folded in half, and the front partition sheet 3 and the rear partition sheet 2, which are a plurality of partitions, are respectively the front partition sheet left half part 31 and the rear partition sheet left half part 21 that are one half part located on one side of the storage part sp folded in half, and the front partition sheet right half part 32 and the rear partition sheet right half part 22 that are the other half part located on the other side. A folding part a1 is provided only between the front partition sheet left half part 31 and the rear partition sheet left half part 21, and the front partition sheet right half part 32 and the rear partition sheet right half part 22 are arranged to be relatively movable.

[0093] Therefore, even when the storage part sp is folded in half, the front partition sheet right half part 32 and the rear partition sheet right half part 22 move relatively, so that the entire file can preferably take a posture folded in half.

[0094] It is configured to be openable and closable between the unfolded posture (T) in which the storage part sp is not folded in half and the closed posture (F) in which the storage part sp is folded in half, and the relative movement is a left-right movement accompanied by a posture change between the unfolded posture (T) and the closed posture (F).

[0095] Therefore, the front partition sheet right half part 32 and the rear partition sheet right half part 22 can move relatively in the left-right direction along the direction of the natural left-right opening and closing operation of the file by the user.

[0096] Note that the present invention is not limited to the embodiments described in detail above.

[0097] It goes without saying that the guide mechanism can adopt various configurations.

[0098] For example, the guide mechanism may have a configuration as shown in FIG. 16.

[0099] As shown in FIG. 16, it is a holder that is bound to a file. The holder can hold the document P by sandwiching it in the storage part sp. The holder includes a storage part sp that can be folded in two at the vertical center part composed of a front holder sheet 7 that is a front sheet and a rear holder sheet 8 that is a rear sheet. The holder has a binding leg insertion hole 8a at the side end part of the rear holder sheet 8, and is supported by a file body provided with binding legs (not shown).

[0100] The front holder sheet 7 includes a lower half part 71 of the front holder sheet located below on one side of the storage part sp folded in two and an upper half part 72 of the front holder sheet located above on the other side. The rear holder sheet 8 includes a lower half part 81 of the rear holder sheet located below on one side of the storage part sp folded in two and an upper half part 82 of the rear holder sheet located above on the other side.

[0101] The lower half part 71 of the front holder sheet and the lower half part 81 of the rear holder sheet are fixed to each other at a welding part y1 disposed on the right side part, and the upper half part 72 of the front holder sheet and the upper half part 82 of the rear holder sheet are disposed so as to be relatively movable in a predetermined direction by a guide mechanism G3.

[0102] A guide mechanism G3 for guiding the upper half part 72 of the front holder sheet and the upper half part 82 of the rear holder sheet to move relatively is provided between the upper half part 72 of the front holder sheet and the upper half part 82 of the rear holder sheet. The guide mechanism G3 includes a vertically extending rail part 72a provided on the side part of the upper half part 72 of the front holder sheet and a rail holding part 82a provided on the upper half part 82 of the rear holder sheet for holding the rail part 72a so as to be relatively movable in the vertical direction. Even with such a configuration, the intended purpose can be achieved.

[0103] The shape of the fixing piece can take various shapes and is not limited to that shown in the above-described embodiment.

[0104] The fixing piece is not limited to being provided by cutting and raising. For example, a fixing piece that is a separate member may be attached to the sheet by welding or the like, so that the fixing piece is provided on the sheet.

[0105] The location where the fixing piece is cut and raised only needs to be near the bending part, and the specific location can be set in various ways.

[0106] The slit for forming the fixing piece is not limited to a substantially U-shaped form. The slit only needs to be in a form that can cut and raise the fixing piece, and the specific form can be set in various ways.

[0107] The file may be one that cannot be folded in half in the storage part.

[0108] In addition, the specific configuration of each part is not limited to the above embodiment, and various modifications are possible without departing from the gist of the present invention.

Explanation of Signs

[0109] 1... Cover (other sheet) 2... Rear partition sheet (partition) 3... Front partition sheet (partition) 4... Base sheet (front sheet) C... Fixing piece A... One sheet a1... Bending part a2... Slit

Claims

1. A file having a storage section partitioned by partitions, wherein the partitions are provided in plurality within the storage section by bending a single sheet at the bending portions, a sheet-like fixing piece is provided near the bending portions on the sheet, the fixing piece is disposed offset to either the left or right side with respect to the intermediate portion in the left-right direction of the partition, and the fixing piece is fixed to another sheet.

2. The file according to claim 1, wherein the fixing piece is raised from near the bending portion on the sheet.

3. The file according to claim 1 or 2, wherein the fixing piece is provided so as to be able to be raised by forming a slit substantially in a U-shape with respect to the sheet.

4. The file according to claim 1, 2 or 3, wherein the storage section can be folded in half, and the other sheet is a cover.

5. The file according to claim 1, 2, 3 or 4, wherein the bending portion is located at the lower end of the partition, and the fixing piece is fixed to the lower portion of the other sheet.

6. The file according to claim 1, 2, 3, 4 or 5, wherein the storage section is mainly composed of the other sheet and a front sheet disposed in front of the other sheet.

7. The file according to claim 1, 2, 3, 4, 5 or 6, wherein the storage section can be folded in half, a plurality of the partitions each comprise one half portion located on one side and the other half portion located on the other side of the storage section folded in half, and the bending portions are provided only between the one half portions on one side of the plurality of partitions, and the other half portions on the other side are disposed so as to be relatively movable.

8. The file is configured to be openable and closable between an unfolded posture in which the storage section is not folded in half and a closed posture in which the storage section is folded in half, and the relative movement is a left-right movement accompanied by a change in posture between the unfolded posture and the closed posture.

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