folder

Abstract

The present invention provides a folder configured such that both a front sheet and a back sheet constituting a storage portion can adopt a proper folding posture. The folder has a storage portion (sp) configured to include a base sheet (4) as a front sheet and a cover (1) as a back sheet and capable of being folded, a left sheet half (33) of the base sheet and a front cover (11) are fixed to each other, and a right sheet half (34) of the base sheet and a back cover (12) are configured to be relatively movable. If such a configuration is adopted, a folder configured such that both the base sheet (4) and the cover (1) constituting the storage portion (sp) can adopt a proper folding posture can be provided.

Description

Technical Field

[0001] This invention relates to folders capable of containing files. Background Technology

[0002] Previously, folders with a storage section that includes a front panel and a rear panel and can be folded in half were known (for example, see Patent Document 1).

[0003] This folder is configured such that the left and right halves of the front panel are fixed relative to the left and right halves of the rear panel, respectively.

[0004] However, in folders with such a structure, when folded with a large number of files between the front and rear panels, the different placement of the front and rear panels can cause unexpected deformation, especially of the front panel, resulting in an undesirable situation where the folder as a whole is difficult to fold properly.

[0005] Existing technical documents

[0006] Patent documents

[0007] Patent Document 1: Japanese Utility Model Registration No. 3210499 Summary of the Invention

[0008] The problem that the invention aims to solve

[0009] The present invention was made in view of the above situation, and its object is to provide a folder that is configured such that both the front and rear side panels, which constitute at least the storage section, can be folded in a suitable manner.

[0010] Methods for solving problems

[0011] That is, the present invention has the following structure.

[0012] The invention described in technical solution 1 is a folder having a storage section configured to include a front panel and a rear panel and be foldable. The front panel has a half portion located on one side of the folded storage section and a half portion located on the other side. The rear panel has a half portion located on one side of the folded storage section and a half portion located on the other side. The half portion of the front panel and the half portion of the rear panel are fixed to each other, and the other half portion of the front panel and the other half portion of the rear panel are arranged to be movable relative to each other.

[0013] According to the folder described in technical solution 1, in the invention described in technical solution 2, a guiding mechanism is provided, which guides the other half of the front side panel and the other half of the rear side panel in a manner that allows them to move relative to each other.

[0014] According to the folder described in technical solution 2, in the invention described in technical solution 3, the guiding mechanism is a slit and a tongue. The slit is directly or indirectly disposed on either one half of the front side panel and the other half of the rear side panel, and the tongue is directly or indirectly disposed on the other half of the front side panel and the other half of the rear side panel and inserted into the slit.

[0015] According to the folder described in technical solution 2, in the invention described in technical solution 4, the guiding mechanism has the following structure: another piece having a piece half disposed on the other side of the rear piece, the upper edge of the other piece half of the front piece being able to engage with the bent portion formed on the other piece.

[0016] According to the folder described in technical solution 1, in the invention described in technical solution 5, the front side sheet and the rear side sheet are formed by bending a sheet at the bending portion.

[0017] According to the folder described in technical solution 5, in the invention described in technical solution 6, a fixing piece cut and erected from near the bent portion of the sheet is fused to other sheets.

[0018] According to the folder described in technical solution 1, in the invention described in technical solution 7, the folder is configured to be able to open and close between an unfolded posture where the storage part is not folded and a closed posture where the storage part is folded. A first hinge portion having one or more bend lines is provided between one half of the front side panel and the other half of the front side panel, and a second hinge portion having one or more bend lines is provided between one half of the rear side panel and the other half of the rear side panel. The first hinge portion and the second hinge portion are disposed at a relatively offset position in the unfolded posture.

[0019] According to the folder described in technical solution 1, in the invention described in technical solution 8, the height dimension of the front side piece is set to the value at which its upper end is located at the middle part in the vertical direction of the rear side piece.

[0020] According to the folder described in technical solutions 1, 2, 3, 4, 5, 6, 7 or 8, in the invention described in technical solution 9, the folder is configured to be able to open and close between an unfolded posture in which the storage part is not folded and a closed posture in which the storage part is folded, and the relative movement is a left-right movement that accompanies the posture change between the unfolded posture and the closed posture.

[0021] Invention Effects

[0022] As described above, according to the present invention, it is possible to provide a folder configured such that both the front and rear side panels constituting at least the storage section can be folded in a suitable manner. Attached Figure Description

[0023] Figure 1 This is a front view showing the unfolded posture of one embodiment of the present invention.

[0024] Figure 2 This is a left view of the closed posture in this embodiment.

[0025] Figure 3 yes Figure 1 A rough end-face view of the XX line in the diagram.

[0026] Figure 4 yes Figure 1 A rough end-face view of the YY line in the diagram.

[0027] Figure 5 yes Figure 2 A rough end-face view of the UU line in the diagram.

[0028] Figure 6 yes Figure 3 Enlarged view of the Z section in the image.

[0029] Figure 7 yes Figure 4 Enlarged view of the V section in the image.

[0030] Figure 8 yes Figure 5 Enlarged view of the W part in the image.

[0031] Figure 9 This is a front view illustrating the unfolded state of the constituent components (cover) of this embodiment.

[0032] Figure 10 This is a front view illustrating the unfolded state of the constituent components (a sheet, a rear partition, and a front partition) of this embodiment.

[0033] Figure 11 This is a front view illustrating the unfolded state of the constituent components (substrate) of this embodiment.

[0034] Figure 12 This is a front view illustrating the unfolded state of the constituent component (pocket piece) of this embodiment.

[0035] Figure 13 This is a front view illustrating the unfolded state of the constituent component (holding piece) of this embodiment.

[0036] Figure 14 This is a front view illustrating an example of its deployment in this embodiment.

[0037] Figure 15 This is a partially enlarged front view used to illustrate the state of the guide mechanism in this embodiment.

[0038] Figure 16 This is a front view showing the front and rear side panels of other embodiments.

[0039] Explanation of reference numerals in the attached figures

[0040] 1… Cover (back panel)

[0041] 2… Rear partition (rear side panel, front side panel)

[0042] 3…Front partition (rear side panel, front side panel)

[0043] 4...Base piece (front side piece)

[0044] 5…pocket piece

[0045] 6…holding tablets

[0046] G1…First Guiding Organization (Guiding Organization)

[0047] G2…Second Guiding Mechanism (Guiding Mechanism) Detailed Implementation

[0048] The following is for reference Figures 1-15 One embodiment of the present invention will be described. Furthermore, in the figures, the welded portion (welded area) is labeled with reference numeral y. Additionally, the terms left and right, up and down in the specification are shown for ease of explanation.

[0049] In this embodiment, the present invention is applied to a folder having a storage section sp that can hold documents such as paper P and can be folded in half.

[0050] The folder has a storage section sp that is configured to include a base sheet 4 as a front panel and a cover 1 as a rear panel located behind the base sheet 4 and is foldable.

[0051] The folder is configured to open and close between an unfolded position (T) where the storage section sp is not folded and a closed position (F) where the storage section sp is folded. That is, the folder has a cover 1 with a front cover 11 and a rear cover 12, and is configured to rotate around the central part in the left-right direction between an unfolded position (T) where the front cover 11 and the rear cover 12 are approximately coplanar and a closed position (F) where the inner surfaces of the front cover 11 and the rear cover 12 are approximately parallel to each other.

[0052] The folder comprises: a cover 1 having a front cover 11 as the left half and a rear cover 12 as the right half; a front divider 3 and a rear divider 2, which are multiple front and rear dividers disposed on the front side of the cover 1; a base sheet 4 disposed on the front side of the front divider 3; a pocket piece 5 disposed on the front side of the left half of the base sheet 4, i.e., the left half 41 of the base sheet, and cooperating with the left half 41 of the base sheet to form a pocket capable of holding items; and a retaining piece 6 disposed to cover the front and rear of the right half of the base sheet 4, i.e., the right half 42 of the base sheet, and retaining the right half 42 of the base sheet so as to suppress vertical movement of the right half 42 of the base sheet while allowing relative movement in the left and right directions.

[0053] The folder is equipped with first and second guide mechanisms G1 and G2. The first and second guide mechanisms G1 and G2 are guide mechanisms that guide the front half of the substrate, i.e. the right half of the base film 42, in a way that allows it to move relative to the rear half of the rear substrate, i.e. the rear cover 12, in a predetermined direction.

[0054] <Cover 1>

[0055] Cover 1 is roughly rectangular in shape. Cover 1 is made of other sheets, namely, sheets that are thicker than the front divider 3, the back divider 2, the base sheet 4, the pocket sheet 5, and the retaining sheet 6.

[0056] The cover 1 includes: a front cover 11, which is a generally elongated rectangle on the left side in an unfolded position (T); a rear cover 12, which is a generally elongated rectangle on the right side in an unfolded position (T); and a spine 13, which is a hinge portion between the front cover 11 and the rear cover 12.

[0057] A recessed portion 11a is formed at the upper edge of the front cover 11, which can engage with the rubber strip B provided on the spine 13 in the closed position (F). In addition, a notch portion 11b is formed at the upper edge of the front cover 11, which is formed by cutting out the position corresponding to the rear finger catch tab 21a protruding at the upper end of the rear partition 2 and the front finger catch tab 31a protruding at the upper end of the front partition 3.

[0058] On the rear cover 12, the two ends of a rubber band B for maintaining a closed position (F) are mounted on the outer surface via a known mounting mechanism. At the upper end of the rear cover 12, a recess 12a is formed, similar to that of the front cover 11, into which the rubber band B can engage.

[0059] The ridge seal 13 forms a hinged section. The ridge seal 13 has a pair of left and right inner fold lines m1 extending in the vertical direction and a pair of left and right outer fold lines m2 disposed on the outer sides of each of the left and right inner fold lines m1 and extending in the vertical direction. The ridge seal 13 includes: a ridge seal body 13a disposed between the left and right inner fold lines m1; and side end auxiliary parts 13b disposed on both sides of the ridge seal body 13a and located between the inner fold lines m1 and the outer fold lines m2.

[0060] <Rear divider 2 (divider)>

[0061] The rear partition 2, serving as a separator, is disposed at the front of the cover 1. The rear partition 2 is generally a horizontally elongated rectangular sheet. The rear partition 2 includes: a left half 21 of the rear partition, which, in the unfolded position (T), is a generally longitudinally elongated rectangle located on the left side; a right half 22 of the rear partition, which, in the unfolded position (T), is a generally longitudinally elongated rectangle located on the right side; and a rear partition hinge portion 23, which is a hinge portion located between the left half 21 and the right half 22 of the rear partition.

[0062] At the upper end of the left half 21 of the rear partition, a rear finger-holding protrusion 21a is provided, shaped for easy pinching by the user's fingers. At the lower part of the left half 21 of the rear partition, a fixing piece C, fused to the inner surface of the front cover 11, is provided. Furthermore, the structure of the fixing piece C will be described in detail later.

[0063] The right half 22 of the rear partition has a rear recess 22a that recesses the lower half of the right end edge toward the rear partition hinge 23. The rear recess 22a is provided to avoid interference with the right-side welded piece 66 of the retaining piece 6 that is welded to the lower half of the right end edge of the sealing ridge 13, and the right-side joint (Japanese: マチ) 65 that is disposed adjacent to the right-side welded piece 66.

[0064] The rear partition hinge portion 23 has a central broken line n1 extending in the vertical direction and left and right broken lines n2 arranged at approximately equal intervals in the horizontal direction.

[0065] The right half 22 and the hinge portion 23 of the rear partition 2 are not directly or indirectly fixed to the other parts. In other words, the right half 22 and the hinge portion 23 of the rear partition are fixed to the cover 1 by welding via the left half 21 of the rear partition.

[0066] <Front partition 3 (partition)>

[0067] The front partition 3 is positioned in front of the rear partition 2. The front partition 3 is generally a horizontally elongated rectangular piece. The front partition 3 includes: a left half 31, which is a generally longitudinally elongated rectangle located on the left side in the unfolded posture (T); a right half 32, which is a generally longitudinally elongated rectangle located on the right side in the unfolded posture (T); and a front partition hinge portion 33, which is a hinge portion located between the left half 31 and the right half 32 of the front partition.

[0068] At the upper end of the left half 31 of the front partition, a front finger tab 31a is provided, shaped for easy pinching by the user's fingers. Furthermore, when viewed from the front in the unfolded position (T), the front finger tab 31a is positioned offset to the right relative to the rear finger tab 21a. At the lower part of the left half 31 of the front partition, a perforation D is formed along with the fixing piece C.

[0069] The right half of the front partition plate 32 has a front end recess 32a that recesses the lower half of the right end edge towards the front partition plate hinge portion 33. The front end recess 32a is provided to avoid interference with the right-side welded piece 66 of the retaining piece 6 that is welded to the lower half of the right end edge of the sealing ridge 13, and the right-side joint 65 that is disposed adjacent to the right-side welded piece 66.

[0070] The front partition hinge portion 33 has central and left and right broken lines r1 and r2 that extend in the vertical direction and are arranged at approximately equal intervals in the left and right directions.

[0071] The right half 32 and the hinge portion 33 of the front partition 3 are not directly or indirectly fixed to other parts. In other words, the right half 32 and the hinge portion 33 of the front partition are fixed to the cover 1 via the left half 21 of the rear partition, which is continuously connected to the left half 31 of the front partition via a bend a1.

[0072]

[0073] The folder in this embodiment has a storage section sp that is divided into a front partition 3 and a rear partition 2 as dividers.

[0074] The front partition 3 and the rear partition 2, which serve as separators, are configured such that by... Figure 10 The sheet A shown is bent at the bend a1, which is a continuous boundary section, and overlaps with each other. Furthermore, a fixed sheet C, cut and erected from near the bend a1 in sheet A, is fused to the inner surface of the front cover 11, which is another sheet.

[0075] In other words, the two separators, namely the front separator 3 and the rear separator 2, are installed in the storage section sp by bending a sheet A at the bending portion a1. Furthermore, the fixing piece C, which is cut and erected from near the bending portion a1 of a sheet A, is fixed relative to the inner surface of the lower part of the front cover 11, which is another sheet, by welding.

[0076] By forming a roughly U-shaped slit a2 for forming a fixing piece, which extends across both sides of the lower ends of the left half 31 of the front dividing piece and the left half 21 of the rear dividing piece that constitute a sheet A, the fixing piece C is configured to be cut and erected from the side of the left half 21 of the rear dividing piece.

[0077] The slit a2 has a transverse slit a21 extending in a straight line in the left-right direction and a longitudinal slit a22 extending from both ends of the transverse slit a21 in a direction approximately orthogonal to the transverse slit a21 (the direction of the rear partition 2). The transverse slit a21 is provided on the left half 31 of the front partition, and the longitudinal slit a22 is provided throughout the left half 31 of the front partition and the left half 21 of the rear partition.

[0078] The base end of the fixing piece C is disposed on the left half 21 of the rear partition. A fixing piece bend c1, located at approximately the same height as the bend a1, is provided on the fixing piece C near the top end. The fixing piece C is bent using the fixing piece bend c1, resulting in a top portion c2 extending upwards from a position near the top end of the fixing piece bend c1. The top portion c2 of the fixing piece C is fused to the inner surface of the front cover 1 via the fused piece 53 on the lower side of the pocket piece 5.

[0079] The multiple dividers, namely the front divider 3 and the rear divider 2, have a left half of the front divider 31 and a left half of the rear divider 21 located on one side of the folded storage section sp, i.e. the left side, and a right half of the front divider 32 and a right half of the rear divider 22 located on the other side, i.e. the right side.

[0080] Furthermore, in this embodiment, a bending portion a1 is provided only between the half portions on one side of the front partition 3 and the rear partition 2, that is, only between the left half portion 31 of the front partition and the left half portion 21 of the rear partition. The right half portion 32 of the front partition and the right half portion 22 of the rear partition, which are the half portions on the other side, are arranged in a manner that allows them to move relative to each other.

[0081] In other words, a sheet A is configured such that only the left half 31 of the front separator and the left half 21 of the rear separator are connected by a bend a1, while the right half 32 of the front separator and the right half 22 of the rear separator are separated.

[0082] In addition, relative movement is left-right movement that accompanies the change in posture between the unfolded posture (T) and the closed posture (F).

[0083] <Film 4>

[0084] The substrate 4 is fixed relative to the pocket piece 5, which is fixed to the front cover 11, by welding. That is, the left half 41 of the substrate is indirectly fixed relative to the front cover 11 via the pocket piece 5.

[0085] The height of the substrate 4 is set to the value at the midpoint of its upper end in the vertical direction among the cover 1, the rear partition 2, and the front partition 3. More specifically, the substrate 4 is set to approximately half the height of the cover 1, the rear partition 2, and the front partition 3.

[0086] The folder is configured such that the height of the base sheet 4, which serves as the front cover, is lower than the heights of the cover 1, the rear divider 2, and the front divider 3, which serve as the rear cover. Therefore, as... Figure 14 As shown in one example, in the unfolded position (T), in order to check the contents stored in the storage section sp, the upper half of each of the front partition 3 and the rear partition 2 located behind the base plate 4 can be moved to the front side by the user's operation.

[0087] The substrate 4 is disposed in front of the front partition 3. The substrate 4 includes: a left half 41 of the substrate, which is a generally horizontally elongated rectangle located on the left side in the unfolded position (T); a right half 42 of the substrate, which is a generally horizontally elongated rectangle located on the right side in the unfolded position (T); a substrate hinge portion 43, which is a hinge portion between the left half 41 of the substrate and the right half 42 of the substrate; and a pocket flap forming piece 44, which is integrally provided from the upper edge of the left half 41 of the substrate.

[0088] A left-side welded piece 45 extends from the left end of the left half of the substrate 41. The left-side welded piece 45 is welded to the inner surface of the left end of the pocket piece 5, which is fixed to the front cover 11 by welding (more specifically, the inner surface of the left-side seam 54). The lower end of the left half of the substrate 41 is arranged in a manner that is either joined to or close to the inner surface of the pocket piece 5, which is fixed to the front cover 11 by welding.

[0089] A slit E extending in the vertical direction is provided on the right half 42 of the substrate, near the substrate hinge portion 43. A tongue 67 is inserted into the slit E, protruding from the retaining piece 6. The slit E and the tongue 67 constitute a first guide mechanism G1, which serves as a guide mechanism. Furthermore, the slit E and the tongue 67 are positioned where they are covered from the front by the front retaining piece portion 61 of the retaining piece 6.

[0090] The substrate hinge portion 43 has a central broken line s1 extending in the vertical direction and left and right broken lines s2 arranged at approximately equal intervals in the horizontal direction.

[0091] A fold-back tab 44a protrudes from the top of the pocket flap forming piece 44. The fold-back tab 44a is inserted into the slit 51b formed in the pocket piece 5. When the fold-back tab 44a is inserted into the slit 51b, the pocket flap forming piece 44 remains in a closed position. The fold-back tab 44a is fused to the inner surface of the pocket flap forming piece 44 near its base end while it is folded back along the inner surface side of the pocket flap forming piece 44.

[0092] The right half 42 and the hinged portion 43 of the substrate 4 are not directly or indirectly fixed relative to the other pieces. In other words, the right half 42 and the hinged portion 43 of the substrate are fixed to the cover 1 by being welded to the left half 41 of the substrate of the pocket piece 5.

[0093] <Pocket Card 5>

[0094] The pocket piece 5 can cooperate with the left half of the base piece 41 and the pocket flap forming piece 44 protruding above the left half of the base piece 41 to form a pocket that can hold items.

[0095] The pocket flap 5 comprises: a pocket flap body 51, the pocket flap body 51 having a window 51a with a transparent film fs for visual inspection of the interior, and a slit 51b extending in the left-right direction on the window 51a for insertion of a folding protrusion 44a provided on the pocket flap forming piece 44; a lower side joint 52, the lower side joint 52 being continuously provided from the lower edge of the pocket flap body 51; and a lower side welded piece 53, the lower side welded piece 53 extending from the extended end of the lower side joint 52 and fixed to the front cover 11 by welding. The lower end; a left-side joiner 54, which is continuously provided from the left end edge of the pocket piece body 51; a left-side welded piece 55, which extends from the extended end of the left-side joiner 54 and is fixed to the left end of the front cover 11 by welding; a right-side joiner 56, which is continuously provided from the right end edge of the pocket piece body 51; and a right-side welded piece 57, which extends from the extended end of the right-side joiner 56 and is fixed to the right end of the left half of the base sheet 41 by welding.

[0096] <Keep the film 6>

[0097] The retaining plate 6, as the third plate, can hold the right half 42 of the substrate so that it can move relative to each other in the left and right directions.

[0098] The retaining piece 6 includes: a front retaining piece portion 61 disposed in front of the right half portion 42 of the substrate; a rear retaining piece portion 62 continuously disposed from the upper edge of the front retaining piece portion 61 via a bent portion 6a serving as a fold-back portion, and disposed behind the right half portion 42 of the substrate and in front of the right half portion 32 of the front separator; a lower side joint 63 continuously disposed from the lower end edge of the front retaining piece portion 61; and a lower side welded piece 64, which is continuously disposed from the lower side... The extension end of the splice 63 extends and is fixed to the lower end of the rear cover 12 by welding; the right splice 65 is continuously provided from the right end edge of the front retaining piece 61; the right fused piece 66 extends from the extension end of the right splice 65 and is fixed to the right end of the rear cover 12 by welding; and the tongue 67 is continuously provided from the left end edge of the front retaining piece 61 via the fold-back portion 67b and disposed on the rear side of the front retaining piece 61.

[0099] The front retaining plate 61 is provided with a retaining slit 61a that extends obliquely in the left and right direction.

[0100] With the tongue 67 folded back along the inner surface of the front retaining piece 61, its base end is fused to the inner surface, i.e., the back surface, of the front retaining piece 61. The tongue 67 is inserted into the slot E provided in the right half of the substrate 42, and the right half of the substrate 42 is held in a position that allows relative movement of the right half of the substrate 42 in the left-right direction relative to the retaining piece 6 while restricting movement in the up-down direction.

[0101] At the upper part of the protruding end of the tongue 67, a protrusion 67a is provided to prevent the tongue 67 from dislodging from the slit E by engaging with the opening edge of the slit E. The protrusion 67a of the tongue 67 can define the limit position of the relative movement of the right half of the substrate 42 in the right direction relative to the tongue 67 when the substrate is in a closed position (F).

[0102] <First Guiding Mechanism G1 and Second Guiding Mechanism G2 (Guiding Mechanisms)>

[0103] The first and second guiding mechanisms G1 and G2 can guide the relative left-right movement of the first half of the front panel, i.e. the right half of the substrate 42, relative to the first half of the rear panel, i.e. the rear cover 12, during the change in posture between the unfolded posture (T) of the storage part sp and the closed posture (F) of the storage part sp folded in half, while suppressing the vertical offset movement of the right half of the substrate 42.

[0104] Furthermore, the second half of the front and rear side panels, namely the front cover 11 and the left half of the base sheet 41, are fixed to each other via the pocket piece 5. In other words, the front cover 11 and the left half of the base sheet 41 are structured to be almost unable to move relative to each other in the left-right direction.

[0105] The first guiding mechanism G1 consists of a slit E and a tongue 67. The slit E is located in the right half of the substrate 4, which serves as the front side sheet. The tongue 67 is indirectly located in the right half of the rear side sheet, i.e., the rear cover 12, via a retaining piece 6, and is inserted into the slit E, which extends in the vertical direction and is formed in the right half of the substrate 42, and can move forward and backward in the horizontal direction.

[0106] The second guiding mechanism G2 has the following structure: it has a retaining piece 6, which is fixed to the right half of the cover 1, which is the rear cover 12, as the rear side sheet, by welding, and the upper edge je of the right half of the front side sheet, which is the right half of the base sheet 42, can engage with the bent portion 6a formed between the front retaining piece portion 61 and the rear retaining piece portion 62 of the retaining piece 6.

[0107] <Relative position of the hinge>

[0108] On the cover 1, between the front cover 11, located on one side of the folded storage section sp, and the rear cover 12, located on the other side, a ridge 13 serving as a hinge is provided, which has multiple fold lines, namely inner fold lines m1 and outer fold lines m2.

[0109] In the rear partition 2, between the left half of the rear partition 21 located on one side of the folded storage section sp and the right half of the rear partition 22 located on the other side, a rear partition hinge section 23 is provided, which has multiple bend lines, namely a central bend line n1 and left and right bend lines n2, serving as a hinge section.

[0110] Between the left half of the front partition 3, located on one side of the folded storage section sp, and the right half of the front partition 3, located on the other side, a hinged part 33 is provided, which has multiple bends, namely a central bend r1 and left and right bends r2.

[0111] In the substrate 4, between the left half of the substrate 41, located on one side of the folded storage part sp, and the right half of the substrate 42, located on the other side, a substrate hinge part 43 is provided, which has multiple bends, namely a central bend s1 and left and right bends s2, serving as a hinge part.

[0112] In this embodiment, in the unfolded position (T), the spine 13, the rear partition hinge 23, the front partition hinge 33, and the substrate hinge 43 are arranged sequentially from back to front. Furthermore, the spine 13, the rear partition hinge 23, the front partition hinge 33, and the substrate hinge 43 are positioned at a relatively offset location in the unfolded position (T).

[0113] More specifically, when viewed from the front in the unfolded posture (T), a rear partition hinge 23, which serves as a hinge, is disposed at a position offset to the left of the ridge 13, which serves as a hinge; a front partition hinge 33, which serves as a hinge, is disposed at a position offset to the left of the rear partition hinge 23; and a base plate hinge 43, which serves as a hinge, is disposed at a position offset to the left of the front partition hinge 33.

[0114] In other words, within the folder, a first hinge portion (rear partition hinge portion 23, front partition hinge portion 33, or base plate hinge portion 43) with multiple bends or folds is provided between one half of the front panel and the other half of the front panel, and a second hinge portion (ridge 13, rear partition hinge portion 23, or front partition hinge portion 33) with multiple bends or folds is provided between one half of the rear panel and the other half of the rear panel. Furthermore, the first hinge portion, which is located forward of the second hinge portion when viewed from the front in the unfolded posture (T), is positioned to the left of the second hinge portion, which is located rearward of the first hinge portion, when viewed from the front in the unfolded posture (T).

[0115] In addition, the separation dimensions between the left and right inner fold lines m1 in the ridge 13, the separation dimensions between the inner fold line m1 and the outer fold line m2, the separation dimensions between the central fold line n1 and the left and right fold lines n2 in the rear partition hinge 23, the separation dimensions between the central fold line r1 and the left and right fold lines r2 in the front partition hinge 33, and the separation dimensions between the central fold line s1 and the left and right fold lines s2 in the substrate hinge 43 are set to be different from each other.

[0116] [Correspondence with the technical solution description]

[0117] The front partition 3 corresponds to the "front side panel" shown in technical solution 5, and the rear partition 2 corresponds to the "rear side panel" shown in technical solution 5. The substrate 4 corresponds to the "front side panel" shown in technical solution 8, and the cover 1, the rear partition 2, and the front partition 3 correspond to the "rear side panel" shown in technical solution 8.

[0118] As explained above, the folder of this embodiment has a storage portion sp configured to include a base sheet 4 as the front panel and a cover 1 as the rear panel, and is foldable. The base sheet 4 has a left half 41, which is a half located on one side (left side) of the folded storage portion sp, and a right half 42, which is a half located on the other side (right side). The cover 1, as the rear panel, has a front cover 11, which is a half located on one side (left side) of the folded storage portion sp, and a rear cover 12, which is a half located on the other side (right side). Thus, the left half 41 and the cover 1 are fixed to each other, while the right half 42 and the rear cover 12 are arranged to be movable relative to each other.

[0119] Therefore, the base 4 and cover 1 that constitute the storage section sp can move their halves relative to each other, thus providing a folder that can be configured to take a suitable folding posture.

[0120] Furthermore, the folder of this embodiment has a storage section sp configured to include a front divider 3 as a front panel and a rear divider 2 as a rear panel, and capable of being folded in half. The front divider 3 has a left half 31, which is one half located on the left side of the folded storage section sp, and a right half 32, which is the other half located on the right side. Similarly, the rear divider 2 has a left half 21, which is one half located on the left side of the folded storage section sp, and a right half 22, which is the other half located on the right side. Thus, the left half 31 and the left half 21 are fixed to each other, while the right half 32 and the right half 22 are arranged to be movable relative to each other.

[0121] Therefore, the front divider 3 and the rear divider 2 that constitute the storage section sp can move their halves relative to each other, thus providing a folder that can be configured to take a suitable folding posture.

[0122] The system includes first and second guiding mechanisms G1 and G2, which guide the right half of the substrate 42 and the rear cover 12 in a manner that allows them to move relative to each other.

[0123] Therefore, with the relative movement of the right half of the substrate 42 and the back cover 12, the postures of both are not easily confused and maintain an appropriate posture.

[0124] The first guiding mechanism G1 is a slot E located in the right half of the substrate 42 and a tongue 67 indirectly located in the rear cover 12 and inserted into the slot E via a retaining piece 6 fixed to the rear cover 12.

[0125] Therefore, the first guiding mechanism G1 can guide relative movement while properly maintaining the posture of the right half of the substrate 42 and the rear cover 12 by using the structure that engages the gap E with the tongue 67.

[0126] The second guiding mechanism G2 has the following structure: it has a retaining piece 6, which is provided on the rear cover 12 as another piece, and the upper edge je of the right half of the base piece 42 can engage with the bent portion 6a formed in the retaining piece 6.

[0127] Therefore, the second guiding mechanism G2 is guided by the retaining plate 6 and appropriately suppresses the forward and backward movement and upward offset of the right half of the substrate 42.

[0128] The front partition 3 and the rear partition 2 are formed by bending a piece A at the bending part a1.

[0129] Therefore, it is possible to appropriately suppress the number of components used to form folders.

[0130] A fixed piece C, cut and erected from near the bend a1 in a piece A, is fused to the cover 1, which serves as another piece.

[0131] Therefore, a sheet A having a front separator 3 and a rear separator 2 is properly mounted on the cover 1.

[0132] The folder is configured to open and close between an unfolded position (T) where the storage section sp is not folded and a closed position (F) where the storage section sp is folded. A substrate hinge section 43, which has multiple fold lines, namely central and left and right fold lines s1 and s2, is provided between the left half 41 and the right half 42 of the substrate as a first hinge section. A sealing spine 13, which has multiple fold lines, namely inner fold line m1 and outer fold line m2, is provided between the front cover 11 and the rear cover 12 as a second hinge section. The substrate hinge section 43 and the sealing spine 13 are positioned at a relatively offset position in the unfolded position (T).

[0133] Therefore, in the closed position (F), the relative position of the substrate hinge 43 and the ridge 13 is appropriate and the design has excellent freedom.

[0134] The folder is configured to open and close between an unfolded (T) position where the storage section sp is not folded and a closed (F) position where the storage section sp is folded. A front partition hinge 33, which has multiple bends (r1 and r2) as the first hinge, is provided between the left half 31 and the right half 32 of the front partition. A rear partition hinge 23, which has multiple bends (n1 and n2) as the second hinge, is provided between the left half 21 and the right half 22 of the rear partition. The front partition hinge 33 and the rear partition hinge 23 are positioned at a relatively offset position in the unfolded (T) position.

[0135] Therefore, in the closed position (F), the relative position of the substrate hinge 43 and the ridge 13 is appropriate and the design has excellent freedom.

[0136] The height of substrate 4 is set to the value of its upper end being located at the middle of the vertical direction in cover 1.

[0137] Therefore, the document P stored in the storage compartment sp has excellent readability. Furthermore, in this embodiment, a rear divider 2 and a front divider 3 with a height approximately the same as the cover 1 are provided at the front of the cover 1. Therefore, it is possible to flexibly deform the rear divider 2 and the front divider 3 in the unfolded position (T) to allow observation of the contents of the storage compartment sp, such that the upper half of each divider 2, 3 is positioned in front of the base plate.

[0138] The device is configured to open and close between an unfolded (T) position where the storage section sp is not folded and a closed (F) position where the storage section sp is folded. The relative movement is a left-right movement that occurs as the posture changes between the unfolded (T) and closed (F) positions. Therefore, the back cover 12 constituting the back panel half, the right half of the base sheet 42 constituting the front panel half, and the right half of the back divider 22 and the right half of the front divider 32 constituting either the back panel or the front panel can move relative to each other in the left-right direction, following the user's natural left-right opening and closing operation.

[0139] Furthermore, the present invention is not limited to the embodiments detailed above.

[0140] The front and rear panels that form the foldable storage section are not limited to the structures shown in the embodiments described above. As long as the front and rear panels face each other and the space between them forms the foldable storage section (storage space), the structure can be any.

[0141] The front and rear side panels can be structures that can form a storage section and are arranged in a front-to-back configuration. In the above embodiments, when the front side panel is a cover, any one of the rear partition, the front partition, and the base sheet can be equivalent to the rear side panel. When the front side panel is a rear partition, any one of the front partition and the base sheet can be equivalent to the rear side panel. When the front side panel is a front partition, the base sheet can be equivalent to the rear side panel.

[0142] The front and rear panels can also be structures that form a storage compartment and are directly facing each other. For example, a folder can also be a structure in which the cover, which is the rear panel, and the base, which is the front panel, are directly facing each other without a separator in between.

[0143] For example, it could also be Figure 16 The structure shown.

[0144] Figure 16 The image shows a holder for binding a file folder. The holder holds the document P within the storage section sp. The holder has a storage section sp configured to include a front holder 7 (as a front panel) and a rear holder 8 (as a rear panel), and can be folded in half vertically at the center. The holder has a binding foot insertion hole 8a at the side end of the rear holder 8 and is supported by a file folder body equipped with binding feet (not shown).

[0145] The front retaining piece 7 has a lower half 71 located on one side (the lower side) of the folded storage section and an upper half 72 located on the other side (the upper side). The rear retaining piece 8 has a lower half 81 located on one side (the lower side) of the folded storage section sp and an upper half 82 located on the other side (the upper side).

[0146] The lower half of the front retaining plate 71 and the lower half of the rear retaining plate 81 are fixed to each other at the welded part y1 located on the right side, and the upper half of the front retaining plate 72 and the upper half of the rear retaining plate 82 are configured to be movable relative to each other.

[0147] A guide mechanism G3 is provided between the upper half 72 of the front retaining plate and the upper half 82 of the rear retaining plate to guide the two plates in a manner that allows them to move relative to each other. The guide mechanism G3 includes: a track portion 72a, which is disposed on the side of the upper half 72 of the front retaining plate and extends in the vertical direction; and a track-holding (enclosing clamping) portion 82a, which is disposed on the upper half 82 of the rear retaining plate and holds the track portion 72a in a manner that allows it to move relative to each other in the vertical direction. Even with this structure, the desired purpose can be achieved.

[0148] The fixing of the front and rear panels is not limited to welding, but also includes fixing by various means. For example, the front and rear panels can also be fixed by adhesives or fasteners.

[0149] The fixing of the front and rear panels includes fixing the other panel relative to other panels fixed to either the front or rear panel.

[0150] The guiding mechanism is only required to guide the other half of the front panel and the other half of the rear panel in a way that allows them to move relative to each other, and is not limited to the structure shown in the above-described embodiments.

[0151] The guiding mechanism can also have the following structure: a tongue is provided on the substrate side, and a slot for inserting the tongue is provided on the retaining sheet side fixed to the cover.

[0152] Furthermore, the specific structure of each part is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention.

Claims

1. A folder, the folder having a storage section configured to include a front panel and a rear panel and capable of being folded in half, wherein, The front panel has one half located on one side of the folded storage portion and another half located on the other side. The rear panel has one half located on one side of the folded storage portion and another half located on the other side. The front half and the rear half are fixed to each other. The other half of the front panel and the other half of the rear panel are configured to be movable relative to each other. The folder is equipped with a guiding mechanism that guides the other half of the front panel and the other half of the rear panel in a manner that allows them to move relative to each other. The guiding mechanism has the following structure: another piece having a half of the other piece disposed on the rear piece, the upper edge of the other half of the front piece being able to engage with a bent portion formed on the other piece.

2. A folder, the folder having a storage section configured to include a front panel and a rear panel and capable of being folded in half, wherein, The front panel has one half located on one side of the folded storage portion and another half located on the other side. The rear panel has one half located on one side of the folded storage portion and another half located on the other side. The front half and the rear half are fixed to each other. The other half of the front panel and the other half of the rear panel are configured to be movable relative to each other. The height of the front panel is set to the value at which its upper end is located at the midpoint of the vertical direction of the rear panel. The space between the front and rear side panels is used to store files.

3. A folder, the folder having a storage section configured to include a front panel and a rear panel and capable of being folded in half, wherein, The folder is configured to open and close between an unfolded position where the storage section is not folded and a closed position where the storage section is folded. The front panel has one half located on one side of the folded storage portion and another half located on the other side. The rear panel has one half located on one side of the folded storage portion and another half located on the other side. The front half and the rear half are fixed to each other. The other half of the front panel and the other half of the rear panel are configured to move relative to each other as the posture changes between the unfolded posture and the closed posture.

4. A folder, the folder having a storage section configured to include a front panel and a rear panel and capable of being folded in half, wherein, The front panel has one half located on one side of the folded storage portion and another half located on the other side. The rear panel has one half located on one side of the folded storage portion and another half located on the other side. The front half and the rear half are fixed to each other. The other half of the front panel and the other half of the rear panel are configured to be movable relative to each other. The folder is configured to open and close between an unfolded position where the storage section is not folded and a closed position where the storage section is folded. A first hinge portion having one or more bend lines is provided between one half of the front side panel and the other half of the front side panel. A second hinge portion having one or more bend lines is provided between one half of the rear side panel and the other half of the rear side panel. The first hinge portion and the second hinge portion are disposed at relatively offset positions in the unfolded posture.

5. The folder according to claim 2, 3 or 4, wherein, The folder is equipped with a guiding mechanism that guides the other half of the front panel and the other half of the rear panel in a manner that allows them to move relative to each other.

6. The folder according to claim 5, wherein, The guiding mechanism is a slit and a tongue. The slit is directly or indirectly disposed on either one half of the front side panel and the other half of the rear side panel, and the tongue is directly or indirectly disposed on the other half of the front side panel and the other half of the rear side panel and inserted into the slit.

7. The folder according to claim 5, wherein, The guiding mechanism has the following structure: another piece having a half of the other piece disposed on the rear piece, the upper edge of the other half of the front piece being able to engage with a bent portion formed on the other piece.

8. The folder according to claim 1, 2, 3 or 4, wherein, The front and rear panels are formed by bending a single sheet at the bending point.

9. The folder according to claim 8, wherein, A fixing piece cut and erected from near the bend in one of the sheets is fused to the other sheets.

10. The folder according to claim 1, 2, 3 or 4, wherein, The folder is configured to open and close between an unfolded position where the storage section is not folded and a closed position where the storage section is folded. The relative movement is a left-right movement that accompanies the change in posture between the unfolded posture and the closed posture.

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