JP2023089986A - File - Google Patents

Abstract

To provide a file that is excellent in easiness of holding when being in a spread posture and can suitably hold a sheet such as paper by sandwiching it between a cover body and a sheet body.SOLUTION: A file includes: a cover body A having a front cover 1 and a back cover 2 connected via a first folding portion M and configured to take a spread posture (T) in which the front cover 1 and the back cover 2 can be spread so as to be substantially flush with each other and a folded posture (F) in which respective inner surfaces of the front cover 1 and the back cover 2 face each other; and a holder J serving as a sheet body which is configured to be capable of being spread with respect to the cover body A via a second folding portion U only when being fixed to the cover body A and in the spread posture (T). The first folding portion M can take a form projecting outward in the spread posture (T).SELECTED DRAWING: Figure 5

Description

The present invention relates to files.

Conventionally, various files are known that are configured to be able to take an extended posture and a closed posture (see Patent Document 1, for example).

In this type of file, the entire outer surface of the cover is substantially flat in the unfolded posture.

However, with such a file, it is difficult for the user to put his or her fingers on the outer surface of the cover when the file is in the unfolded position.

In addition, for the convenience of carrying, the file is desired to have a configuration in which paper sheets such as paper can be sandwiched and held in a suitable manner.

Utility Model Registration No. 3227354

The present invention has been made in view of the circumstances as described above. To provide a file that can be suitably held in

That is, the present invention has the following configurations.

The invention according to claim 1 has a front cover and a back cover that are connected via a first folding portion, and the front cover and the back cover can be unfolded so that the front cover and the back cover are substantially flush with each other. A cover body configured to take a closed posture in which the inner surfaces of the front cover and the back cover face each other, and the cover through a second folding portion only when fixed to the cover body and in the unfolded posture. The file is provided with a sheet body configured to be unfoldable with respect to the body, wherein the first folded portion can adopt a form projecting outward in the unfolded posture.

In the invention according to claim 2, the cover body includes a first support piece connected to the front cover via the first bent portion, and a support piece connected to the back cover via the second bent portion. 2. The file according to claim 1, wherein said sheet body is fixed to said first and second support pieces.

The invention according to claim 3 is the file according to claim 2, wherein a notch is formed between the first bent portion and the second bent portion.

The invention according to claim 4 is the file according to claim 1, 2 or 3, wherein the second bent portion extends in a direction intersecting the first bent portion.

In the invention according to claim 5, the first folding part is a pair of outer fold lines formed at the boundary between the front cover and the back cover, and parallel to the pair of outer fold lines. and a pair of inner folding lines formed inside the pair of outer folding lines. and the file according to claim 1, 2 or 3, which can take an upright posture with respect to the back cover.

In the invention according to claim 6, the sheet body is welded to the first support piece and the second support piece, respectively, and when the closed position is changed to the expanded position, 4. The file according to claim 2 or 3, wherein the base edge of said front cover and the base edge of said back cover are not separated from each other.

The invention according to claim 7 is the file according to claim 2, 3 or 6, wherein the object to be bound is supported by the first support piece and the second support piece via a binding member. be.

As described above, according to the present invention, there is provided a file which is excellent in easiness to hold at least in the unfolded posture and which can be preferably held by sandwiching paper sheets such as paper between the cover body and the sheet body. be able to provide.

1 is a front view of a folded posture (closed posture) showing an embodiment of the present invention; FIG. FIG. 4 is a front view of the deployed position in the same embodiment (where the holder is in the deployed position); The front view in the same embodiment (with the holder in the covering position). The disassembled perspective view in the same embodiment. The partial expansion perspective view in the same embodiment. XX line schematic cross-sectional view in FIG. FIG. 3 is a schematic cross-sectional view taken along line YY in FIG. 2; FIG. 4 is a schematic cross-sectional view along the ZZ line in FIG. 3; FIG. 9 is a schematic cross-sectional view corresponding to FIG. 8 for explaining the mode when the holder in the same embodiment is at the outer position; A front view for explaining the structure of the cover body in the same embodiment. The front view for structure description of the clear pocket (object to be bound) in the same embodiment. The front view for structure description of the holder (cover body / sheet|seat body) in the same embodiment. WW line schematic cross-sectional view in FIG. FIG. 7 is an enlarged view of the central portion in the vertical direction in FIG. 6 ; The front view which shows the holder (cover body / sheet|seat body) which is other embodiment.

An embodiment of the present invention will now be described with reference to FIGS. 1-13. In the drawing, the welded portion (welded portion) is denoted by y.

In this embodiment, the present invention is applied to a file configured so as to be able to take an unfolded posture (T) and a folded posture (F) which is a closed posture which is a posture folded in half from the unfolded posture (T). applied.

The file consists of a cover body A having a front cover 1 and a back cover 2 connected via a first folding part M, and a clear pocket E provided on the inner surface side of the cover body A as an object to be bound. and a holder J which is a cover body/sheet body disposed so as to cross between the front cover 1 and the back cover 2 and fixed to the cover body A so as to cover substantially the entire clear pocket E. It is.

A clear pocket E supported by the cover A can accommodate paper sheets such as documents (not shown) therein. A holder J fixed to the cover sheet A and capable of covering the clear pocket E is capable of holding a document sandwiched between the base sheet 3 and the cover sheet 4. - 特許庁

Depending on the frequency of use and purpose of the document, the file can be stored in the clear pocket E, held in the holder J, or held between the holder J and the cover A. can be selected arbitrarily by the person.

The file has a cover body A which has a first folded portion M and can take an unfolded posture (T) and a folded posture (F), and a second folded portion U which has an unfolded position (S) and a covering position. (B) is provided, and the cover body A and the holder J cooperate with each other to form a configuration that can be folded in four.

The file has a developed attitude (T) that can be developed so that the front cover 1 and the back cover 2 are substantially flush with each other, that is, the front cover 1 and the back cover 2 are positioned substantially on the same imaginary plane, and the front cover 1 and the back cover 2. The back cover 2 is configured so that it can take a folding posture (F) in which the inner surfaces of the back cover 2 face each other. Then, the first folded portion M of the cover A can adopt a form that protrudes outward in the unfolded posture (T).

The file is configured such that the cover body A, the clear pocket E, and the holder J can be integrally folded into two so that the folding posture (F) can be taken.

Each configuration of the file will be described in detail below.

<Cover A>
The cover body A includes a front cover 1 and a back cover 2 connected via a first bent portion M, and a first supporting piece which is connected to the front cover 1 via a first bent portion c2. It is provided with one binding piece C and a second binding piece D, which is a second supporting piece, connected to the back cover 2 via a second bent portion d2.

The cover body A has a developed attitude (T) in which the front cover 1 and the back cover 2 can be positioned on substantially the same imaginary plane, and the inner surfaces of the front cover 1 and the back cover 2 have clear pockets E and It is configured to be able to take a folding posture (F) that can face through the holder J.

[Front cover 1]
The front cover 1 has a substantially oblong rectangular shape that constitutes the upper half of the unfolded posture (T). The front cover 1 has substantially the same size as the back cover 2. - 特許庁The right side edge of the front cover 1 is provided with a recessed portion 11 that engages with a bundling rubber band Q attached to the back cover 2 in the folding posture (F).

[Back cover 2]
The back cover 2 has a substantially oblong rectangular shape that constitutes the lower half of the unfolded posture (T). The back cover 2 has substantially the same size as the front cover 1. - 特許庁A rubber band Q is attached to the back cover 2 for bundling the front cover 1 and the back cover 2 in the folding posture (F). The right side edge of the back cover 2 is provided with a recessed portion 21 that engages with the rubber band Q in the folding posture (F).

[First bent portion M]
The first folded portion M is interposed between the front cover 1 and the back cover 2 . A first folded portion M connects the front cover 1 and the back cover 2 . In addition, in this embodiment, the front cover 1 and the back cover 2 are connected only at the first folded portion M. As shown in FIG. The first bent portion M constitutes a hinge portion as a whole. The first folded portion M can also function as a spine.

The first folding portion M includes a pair of upper and lower outer fold lines m1 extending in the left-right direction formed at the boundary between the front cover 1 and the back cover 2, and a pair of outer fold lines m1 substantially parallel to the outer fold lines m1. It is provided with a pair of inward folding lines m2 extending in the left-right direction formed inside the outward folding lines m1.

That is, the first folding portion M includes a central plate-like portion m3 provided between a pair of upper and lower inner folding lines m1, and an outer folding line m1 and an inner folding line m2 provided above and below the central plate-like portion m3, respectively. It has an upper plate-like portion m4 and a lower plate-like portion m5 positioned between.

In the unfolded position (T), the first folding portion M has an upper plate-like portion m4 and a lower plate-like portion m5 between the outer folding line m1 and the inner folding line m2. 2 can take an upright posture. In addition, in the unfolded position (T), the first folded portion M has a central plate-like portion m3 between the pair of inward folding lines m2, which is divided into an upper plate-like portion m4 and a lower plate-like portion m5. It is possible to adopt a posture extending in a direction intersecting with the other.

In other words, the first folded portion M when the cover body A takes the unfolded posture (T) has a substantially U-shaped form in a side view, and is closer to the outer surface than the front cover 1 and the back cover 2. It has become a prominent thing.

[First binding piece C]
The first binding piece C is integrally extended from the left edge of the front cover 1 on the side of the binding source. The first binding piece C extends from a portion of the front cover 1 in the unfolded posture (T), excluding the lower portion of the left edge. That is, the first binding piece C protrudes from a portion of the left edge of the front cover 1 .

The first binding piece C has a vertically elongated belt shape. The first binding piece C includes a first binding piece body c1 provided with a pair of upper and lower binding foot insertion holes c11 through which the first binding foot G is inserted, and one side edge of the first binding piece body c1. A first bending portion c2 which is a bendable portion connecting between the first binding piece main body c1 and the front cover 1 provided in the front cover 1 is provided.

The first binding piece C has a structure in which the first binding piece main body c1 can be folded back toward the inner surface of the front cover 1 . The first binding piece main body c1 is connected to the front cover 1 via the first bent portion c2, and the portion other than the first bent portion c2 is constrained to the front cover 1. It is not.

The first binding piece C is bent at the first bent portion c2, and the first binding piece main body c1 is folded back toward the inner surface of the front cover 1 as a basic posture. The upper and lower retaining portions g2 of the first binding leg G supported by the first binding piece C in this basic posture are positioned between the first binding piece main body c1 and the inner surface of the front cover 1. It has become.

The cover body A can temporarily hold the document by sandwiching the document between the front cover 1 and the first binding piece C. As shown in FIG.

The first binding piece main body c1 has a surface to be welded c12 facing the clear pocket E side and onto which the first extended portion t1 of the holder J is welded, and a cover facing surface c13 facing the inner surface of the front cover 1. ing.

The first bent portion c2 is provided with folding lines c21 extending in the vertical direction and provided in pairs on the left and right sides. The first bent portion c2 extends in a direction crossing the first bent portion M. As shown in FIG.

[Second binding piece D]
The second binding piece D is integrally extended from the left edge of the back cover 2 on the side of the binding source. The second binding piece D extends from a portion of the back cover 2 in the unfolded position (T), excluding the upper portion of the left edge. That is, the second binding piece D protrudes from a portion of the left edge of the back cover 2 .

The second binding piece D has a vertically elongated belt shape. The second binding piece D includes a second binding piece body d1 provided with a pair of upper and lower binding leg insertion holes d11 through which the second binding leg H is inserted, and one side edge of the second binding piece body d1. The second binding piece main body d1 and the back cover 2 are provided in the second binding piece main body d1 and the back cover 2, which is a bendable portion.

The second binding strip D has a structure in which the second binding strip main body d1 can be folded back toward the inside of the back cover 2. - 特許庁The second binding piece main body d1 is connected to the back cover 2 via the second bent portion d2, and the portion other than the second bent portion d2 is constrained to the back cover 2. It is not.

The second binding piece D is bent at the second bent portion d2, and the posture in which the second binding piece main body d1 is folded back toward the inner surface of the back cover 2 is taken as a basic posture. The upper and lower retaining portions h2 of the second binding leg H supported by the second binding piece D in this basic posture are positioned between the second binding piece main body d1 and the inner surface of the back cover 2. It has become.

The cover body A can temporarily hold the document by sandwiching the document between the back cover 2 and the second binding strip D. As shown in FIG.

The second binding piece main body d1 has a welding surface d12 facing the clear pocket E side and onto which the second extended portion t2 of the holder J is welded, and a cover facing surface d13 facing the inner surface of the back cover 2. ing.

The second bent portion d2 is provided with folding lines d21 extending in the vertical direction and provided in pairs on the left and right sides. The second bent portion d2 extends in a direction crossing the first bent portion M. As shown in FIG.

[Regarding the spaced relationship between the first binding piece C and the second binding piece D]
The first binding piece C is continuously provided only on the front cover 1. - 特許庁On the other hand, the second binding piece D is connected only to the back cover 2 . That is, the first binding piece C and the second binding piece D are not connected to each other, that is, they are separated from each other.

Between the first binding piece main body c1 and the second binding piece main body d1 which are separated from each other, a holder J is installed so as to cross (straddle) the first bent portion M. As shown in FIG.

The cover body A includes a first binding piece body c1 and a first bent portion c2 that constitute the first binding piece C, and a second binding piece body d1 and a second bending portion that constitute the second binding piece D. A notch k1 is formed between the portion d2. That is, a notch k1 is provided in the cover body A, which has a substantially rectangular shape as a whole when unfolded, so as to separate the first binding strip C and the second binding strip D from each other.

<First binding leg G/second binding leg H>
The clear pocket E is bound by first and second binding legs G and H as binding members supported by the first and second binding pieces C and D.

The first and second binding legs G and H are binding leg main bodies g1 and h1 extending in the vertical direction, respectively, and are provided at upper and lower end portions of the binding leg main bodies g1 and h1, respectively. It is provided with retaining portions g2 and h2, which are cover body engaging portions and whose width is set wider than h1.

The binding foot main bodies g1 and h1 are set to vertical dimensions and width dimensions that allow insertion through the first and second binding foot insertion holes e21 and e22 provided in the clear pocket E. As shown in FIG.

The retaining portions g2 and h2 are set to have a width dimension larger than that of the binding leg insertion holes c11 and d11 provided in the first and second binding pieces C and D. As shown in FIG.

Folding lines sn are provided on both or one side of the upper and lower retaining portions g2 and h2. The retaining portions g2 and h2 are provided in the binding leg insertion holes c11 and d11 formed in the first and second binding pieces C and D and in the clear pocket E by temporarily folding the folding line sn. It can be inserted into the first and second binding leg insertion holes e21 and e22.

The retaining portions g2 and h2 temporarily bent along the folding lines sn return to their original substantially flat postures due to the elastic deformation of the members, and the surfaces of the first and second binding pieces C and D facing the cover. By engaging with c13 and d13, a predetermined retaining function can be exhibited.

The upper and lower retaining portions g2 of the first binding leg G are arranged between the adjacent facing surface c13 of the first binding piece main body c1 and the inner surface of the front cover 1. As shown in FIG. The upper and lower retaining portions h2 of the second binding foot H are arranged between the adjacent facing surface d13 of the second binding piece main body d1 and the inner surface of the back cover 2. As shown in FIG.

<Clear pocket E>
The clear pocket E is supported by the first binding strip C through the first binding leg G and supported by the second binding strip D through the second binding leg H. The clear pocket E is bound by first and second binding legs G, H provided on the first and second binding pieces C, D.

The clear pocket E includes a pocket body e1 capable of accommodating documents through an opening e11 therein, and a left end, which is one end of the pocket body e1, through which first and second binding legs G and H are inserted. and a held end portion e2 in which a first binding leg insertion hole e21 and a second binding leg insertion hole e22 are arranged. In this embodiment, the opening e11 is provided in the pocket body e1 along the held end e2.

The clear pocket E can change its posture following the change of the posture of the cover body A. - 特許庁In other words, when the cover sheet A is folded in two, the clear pocket E is bent at the central portion in the vertical direction following the folding of the cover sheet A in two so that it can be folded in two.

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

The second binding leg insertion hole e22 has a long hole shape extending in the vertical direction, and the lower half of the clear pocket E is flexible downward with respect to the back cover 2 when the cover A is folded in two. It is configured to be able to move relative to.

In other words, the clear pocket E in this embodiment can move vertically relative to the back cover 2 following the change in posture of the cover A between the unfolded posture (T) and the folded posture (F). It has become.

<Holder J>
The holder J has a portion to be placed on the cover body A and the clear pocket E in which a plurality of sheets are superimposed. In this embodiment, the holder J can cover substantially the entire clear pocket E from the front side. The holder J is fixed only to the first binding piece C and the second binding piece D by welding.

Only when the cover body A is in the unfolded posture (T), the holder J can reach the cover through the first folded portion t12 and the second folded portion t22 that constitute the second folded portion U provided in the holder J. It is constructed so that it can be deployed with respect to the body A and the clear pocket E.

That is, the holder J has a covering position (B) where the holder main body JH as a main body covers the clear pocket E, a deployment position (S) where the holder main body JH does not cover the clear pocket E, and a holder main body JH. A second bent portion U provided between the extended portion 12 as the base end portion and the holder body JH is used as a base point so that the outer position (P) located on the outer surface side of the cover body A can be taken. is configured to be rotatable.

When the holder main body JH is in the covering position (B) in the file in the unfolded posture (T), the holder main body JH is positioned at the top (foremost) part of the file. That is, the holder main body JH is located at the top (front) in the cover position (B), and when the file takes the unfolded posture (T), it covers the plurality of clear pockets E from the upper side (front side) instead of the cover. It is capable of functioning.

Further, the holder J itself has a structure capable of holding a document by simply pinching it. The holder J has a storage space sp formed between the base sheet 3 and the cover sheet 4 for storing documents. That is, the cover sheet 4 of the holder J can cooperate with the base sheet 3 to form a pocket in which documents can be stored.

The holder J comprises a continuous sheet-like base sheet 3 welded to the first binding piece C and the second binding piece D of the cover body A, respectively, and a cover sheet 4 covering the front side of the base sheet 3. is provided.

[Base sheet 3]
The base sheet 3 includes a base sheet main body 31 that has a vertically long rectangular shape in the unfolded posture (T), and a first extension portion t1 that extends above the left end portion of the base sheet main body 31 on the binding source side. , and a second extending portion t2 extending below the left end portion of the base sheet main body 31, which is the binding source side.

The base sheet 3 is provided with a center bent portion N extending in the left-right direction at the center in the up-down direction in the unfolded posture (T). The central bent portion N includes a central fold line n1 extending in the horizontal direction and forming a straight line, and upper and lower fold lines n2 forming a straight line extending in the horizontal direction and arranged above and below the central fold line n1. Be prepared.

The central bent portion N is provided in the vertical intermediate portion of the base sheet main body 31 . The base sheet 3 has an upper half portion 3a above the central bent portion N in the unfolded posture (T), and a lower half portion 3b below the central bent portion N.

The base sheet body 31 cooperates with the cover sheet 4 to constitute a holder body JH having a storage space sp capable of storing documents. The base sheet main body 31 is provided with a central bent portion N between the upper half portion 311 and the lower half portion 312 .

A holding piece 313 capable of holding the upper left corner, which is the free end of the cover sheet 4 , is provided at the upper left corner of the base sheet body 31 . The holding piece 313 is in the form of a piece that extends integrally from the upper edge of the base sheet body 31 , and is folded back toward the front side of the base sheet body 31 so that the left end thereof is attached to the base sheet body 31 . welded. The cover sheet 4 is connected to the right end and the lower end of the base sheet main body 31 integrally or by welding.

A third bent portion V is provided on the left side of the base sheet body 31 so as to extend vertically in the unfolded posture (T). The third bent portion V is arranged substantially parallel to the second bent portion U. As shown in FIG. The third bent portion V is provided over the entire area of the base sheet body 31 in the vertical direction. The third bent portion V is arranged midway between the second bent portion U and the left edge of the cover sheet 4 . The third bent portion V has left and right bent lines v1 which are parallel to each other and extend in the vertical direction.

A body edge portion 314 formed between the second bent portion U and the third bent portion V can function as a gusset when the holder body JH is in the outer position. That is, the body edge portion 314 can form a constant gap between the cover sheet 4 and the cover sheet A when the holder J is in the outer position (P).

In this embodiment, when the cover body A transitions from the folded posture (F) to the unfolded posture (F), one outer fold line m1 that is the base end of the front cover A and the base end of the back cover The other outer folding line m1 is regulated by the base sheet main body 31 of the continuous sheet-like base sheet 3 so as not to separate from each other.

[First extension part t1]
The first extending portion t1 extends integrally from the left edge of the base sheet body 31 on the side of the binding source. The first extension portion t1 extends from a portion of the upper half portion 311 of the base sheet main body 31 in the unfolded position (T), excluding the lower portion of the left edge. That is, the first extended portion t<b>1 protrudes from a portion of the left edge of the upper half portion 311 of the base sheet body 31 .

The first extending portion t1 is fixed to the first binding piece C of the cover A by welding.

The first extension t1 has a vertically elongated belt shape. The first extending portion t1 has a portion welded to the first binding piece C of the cover A and is provided with a pair of upper and lower binding leg passage holes ta through which the first binding leg G can pass. The first extension body t11 and the second fold which is a bendable part provided at one side edge and connecting the first extension body t11 and the upper half part 311 of the base sheet body 31 and a first bent portion t12 forming the portion U.

The first extension portion t1 has a configuration in which the first extension portion main body t11 can be folded toward the inner surface side of the base sheet main body 31 . The first extended portion main body t11 is connected to the base sheet main body 31 via the second bent portion U, and the portion other than the second bent portion U is the base sheet main body 31. is not constrained to

When the holder J is at the covering position (B), the first extension portion t1 is bent by the second bent portion U, and the first extension portion main body t11 faces the inner surface of the base sheet main body 31. It is designed to take a folded posture.

When the holder J is in the deployed position (S), the first extension t1 is bent by the second bent portion U, and the first extension main body t11 is positioned outside the base sheet main body 31. It is designed to adopt a posture that

The first bent portion t12 has a pair of left and right bending lines t12s extending in the vertical direction. The first bent portion t12 extends in a direction crossing the first bent portion M. As shown in FIG.

[Second along-line portion t2]
The second extending portion t2 is integrally extended from the left edge of the base sheet body 31 on the side of the binding source. The second extended portion t2 extends from a portion of the lower half portion 312 of the base sheet main body 31 in the unfolded position (T), excluding the upper portion of the left edge. That is, the second extended portion t<b>2 protrudes from part of the left edge of the lower half portion 312 of the base sheet body 31 .

The second extension t2 is fixed to the second binding piece D of the cover A by welding.

The second extension t2 has a vertically elongated belt shape. The second extending portion t2 has a portion welded to the second binding piece D of the cover A and is provided with a pair of upper and lower binding leg passage holes ta through which the second binding leg H can pass. a second extension body t21, and a second bend which is a bendable part provided on one side edge and connecting the second extension body t21 and the lower half part 312 of the base sheet body 31. and a second bent portion t22 that constitutes the portion U.

The second extension portion t2 has a configuration in which the second extension portion main body t21 can be folded back toward the inner surface side of the base sheet main body 31 . The second extended portion main body t21 is connected to the base sheet main body 31 via the second bent portion U, and the portion other than the second bent portion U is the base sheet main body 31. is not constrained to

When the holder J is in the covering position (B), the second extension portion t2 is bent by the second bent portion U, and the second extension portion main body t21 faces the inner surface of the base sheet main body 31. It is designed to take a folded posture.

When the holder J is in the deployed position (S), the second extension t2 is bent by the second bent portion U, and the second extension main body t11 is positioned outside the base sheet main body 31. It is designed to adopt a posture that

The second bent portion t22 has a pair of bending lines t22s extending in the vertical direction. The second bent portion t22 extends in a direction crossing the first bent portion M. As shown in FIG.

The first and second extended portions t1 and t2 described in detail above constitute a holder body supporting portion for supporting the holder body JH mainly composed of the base sheet body 31 and the cover sheet 4. It's becoming

A notch k2 is formed between the first extension t1 and the second extension t2. That is, the base sheet 3, which has a substantially rectangular shape as a whole when unfolded, is provided with a notch k2 so as to separate the first extending portion t1 and the second extending portion t2.

[Cover sheet 4]
The cover sheet 4 has a second bent portion R that is superimposed in front of the base sheet 3 and extends in the left-right direction at an intermediate portion in the vertical direction corresponding to the first bent portion N. As shown in FIG.

The width dimension of the cover sheet 4 is set shorter than that of the base sheet body 31 . The cover sheet 4 can cover the portion other than the left side of the base sheet main body 31 from the front side. The cover sheet 4 is connected to the base sheet main body 31 at its right end and lower end by being integrated or welded.

The cover sheet 4 includes an upper half portion 41 having a horizontally long rectangular shape, a lower half portion 42 having a horizontally long rectangular shape, and a second bent portion R disposed between the upper half portion 41 and the lower half portion 42 . , and a notch 43 for avoiding continuity between the right edge of the second bent portion R and the base sheet body 31 .

The second bent portion R is provided at the vertical central portion of the cover sheet 4 in the unfolded posture (T). The second bent portion R consists of a central folding line r1 that extends in the horizontal direction and forms a straight line, and upper and lower folding lines r2 that form a straight line that extends in the horizontal direction and are arranged above and below the central folding line r1. Equipped with

The second bent portion R is configured to bend away from the first bent portion N in the folded position (F). More specifically, the second bent portion R is formed in a mountain-fold shape in which the central folding line r1 is located inside the left and right folding lines r2 in the folded position (F).

The holder main body JH of the holder J configured as described above is bent by the first bent portion t12 and the second bent portion t22, which are the second bent portions U, only when the holder J takes the unfolded posture, and the covering position ( B) can be deployed to the deployment position (S). Further, it is bent by the second bent portion U and the third bent portion V so that it can be positioned at the outer position (P).

Further, in the holder J, the base sheet 3 and the cover sheet 4 can take a folding posture (F) and an unfolding posture (T) with the first and second bent portions N and R as rotation centers. ing. That is, the holder J can follow the change of the posture of the cover A and change its posture. In other words, when the cover A is folded in two, the holder J follows the cover A and bends at the first and second bent portions N and R provided in the center in the vertical direction. It is configured to be foldable.

Next, with reference to FIGS. 12 and 13, the operation of the first folding portion M when the file changes from the folded posture (F) to the unfolded posture (T) will be described.

As shown in FIG. 12, when the file is in the folded posture (F), the inner surfaces of the front cover 1 and the back cover 2 face each other via the folded clear pocket E and the holder J. ing. At this time, in the first folding portion M, the central plate-like portion m3 located between the pair of inward folding lines m2 is in a posture in which it intersects the front cover 1 and the back cover 2, and is aligned with the outer folding line m1. An upper plate-like portion m4 and a lower plate-like portion m5 positioned between the inward folding lines m2 extend so as to be flush with the front cover 1 and the back cover 2. As shown in FIG.

Next, when the file is shifted from the folding posture (F) in FIG. 12 to the unfolding posture (T) in FIG. 13, the front cover 1 and the back cover 2 are changed to a posture that coincides on the same virtual plane. Similarly, the clear pocket E and the holder J are also overlapped with each other in the unfolded state on the inner surface side of the front cover 1 and the back cover 2 after transitioning from the folded state.

In the unfolded position (T), the first folded portion M has a U-shaped configuration protruding from the front cover 1 and the back cover 2 .

That is, the central plate-like portion m3 of the first folded portion M assumes a posture substantially parallel to the front cover 1 and the back cover 2. As shown in FIG. On the other hand, the upper plate-like portion m4 and the lower plate-like portion m5 of the first folded portion M are assumed to be substantially perpendicular to the front cover 1, the back cover 2, and the central plate-like portion m2. Become.

The first extension t1 connected to the base sheet body 31 is welded to the first binding piece C connected to the front cover 1, and the second extension t1 connected to the base sheet body 31 is welded to the first binding piece C connected to the front cover 1. The setting portion t2 is welded to the second binding piece D connected to the back cover 2. As shown in FIG. Therefore, the distance between the front cover 1 and the back cover 2 in the unfolded posture (T) is limited by the base sheet body 31 so that they do not separate.

As a result, in the unfolded position (T), the file can reduce the concentration of stress that can occur in the portion between the front cover 1 and the back cover 2 by the deformation that protrudes outward due to the first folded portion M, that is, the upper plate. By changing the attitude of the shaped portion m4 and the lower plate-shaped portion m5 to stand up against the front cover 1 and the back cover 2, it is possible to escape preferably.

As detailed above, the file of this embodiment has a front cover 1 and a back cover 2 connected via the first folding part M, and the front cover 1 and the back cover 2 are substantially flush. A cover body A constructed so as to be able to adopt a deployment posture (T) that can be unfolded as if it were formed and a folding posture (F) that is a closed posture in which the inner surfaces of the front cover 1 and the back cover 2 are opposed to each other, and the cover body A. A holder J, which is a sheet member, is arranged so as to be unfoldable with respect to the cover A through the second folding portion U only when it is fixed to the unfolded posture (T). Then, the first bent portion M can adopt a form that protrudes outward in the unfolded posture (T).

Therefore, in the file of the present embodiment, the first bent portion M is configured to protrude outward in the unfolded posture (T). When in use, the first bent portion M, which protrudes outward, can function as a finger rest for the user, contributing to ease of holding by the user.

Moreover, since the holder J is provided so as to be able to expand the cover A with respect to the cover A only when the cover is in the unfolded posture (T), the cover A and the holder J are separated from each other by the second folding portion U. It is possible to provide a file that can hold paper sheets such as paper in a suitable manner.

The cover body A has a first binding piece C, which is a first supporting piece connected to the front cover 1 via the first bent portion c2, and connected to the back cover 2 via the second bent portion d2. and a second binding piece D that is a second supporting piece. A holder J is fixed to the first and second binding pieces C and D.

Therefore, the holder J is preferably supported by the cover body A. As shown in FIG.

A notch k1 is formed between the first bent portion c2 and the second bent portion d2. Therefore, the operation of the first folding portion M provided between the front cover 1 and the back cover 2 can be performed smoothly without being hindered by the first and second binding pieces C and D. It has become.

A second bent portion U extends in a direction crossing the first bent portion M. As shown in FIG.

For this reason, the holder J can be suitably expanded at the second folding portion U when the cover A is in the expanded posture (T). In other words, the file has a cover body A that has a first folded portion M and can be in an unfolded posture (T) and a folded posture (F), and a second folded portion U that has an unfolded position (S ) and covering position (B). For this reason, the file can be suitably held by sandwiching paper sheets such as paper between the cover A and the holder J. As shown in FIG.

The first folding portion M is a pair of outer fold lines m1 formed at the boundary between the front cover 1 and the back cover 2, and a pair of outer fold lines m1 parallel to the pair of outer fold lines m1. and a pair of inward folding lines m2 formed on the inner side of the . In the unfolded posture (T), the upper plate-like portion m4 and the lower plate-like portion m5, which are the portions between the outer folding line m1 and the inner folding line m2, are erected with respect to the front cover 1 and the back cover 2. It can take a posture.

For this reason, the file prevents the concentration of stress that can occur in the portion between the front cover 1 and the back cover 2 in the unfolded posture (T) by the protrusion deformation of the first folded portion M, that is, the upper plate-like portion m4 and By changing the posture of the lower plate-like portion m5 to stand up against the front cover 1 and the back cover 2, it is possible to escape preferably.

In other words, with the file of this embodiment, by providing the first folding portion M, the posture change between the folded posture (F) and the unfolded posture (T) can be performed very smoothly. .

A holder J, which is a sheet body, is welded to the first binding piece C and the second binding piece D, respectively. The base edge of the front cover 1 and the base edge of the back cover 2 are configured so as not to separate from each other when transitioning from the folded posture (F) to the unfolded posture (T).

Therefore, the holder J is securely adhered to the cover body A. As shown in FIG.

Moreover, the first and second binding pieces C and D of the cover body A and the base sheet 3 of the holder J are fixed by welding, and the base sheet 3 is the first binding piece continuously provided to the front cover 1. It is arranged so as to straddle between C and the second binding piece D connected to the back cover 2 .

Therefore, the file can preferably achieve a configuration in which the base end portion of the front cover 1 and the base end portion of the back cover 2 do not separate from each other when the file changes from the folding posture (F) to the unfolding posture (T). It is a thing. In other words, with a file having such a configuration, it is possible to preferably adopt a form in which the first bent portion M protrudes outward in the unfolded posture (T).

A clear pocket E, which is an object to be bound, is supported by a first binding piece C and a second binding piece D via first and second binding legs G, H which are binding members.

For this reason, paper sheets such as paper sheets can be accommodated in the clear pocket E and suitably held.

The present invention is not limited to the embodiments detailed above.

The file may include at least a cover and a sheet fixed to the cover. In other words, the file may not be provided with a body to be bound.

The object to be bound may be any object as long as it is provided on the inner surface side of the cover, and is not limited to the clear pockets shown in the above-described embodiments. Other objects to be bound include, for example, paper. The object to be bound is not limited to being supported by the cover through the binding member, but may be fixed by welding or the like.

The object to be bound may be configured to be movable relative to the front cover instead of the back cover. Moreover, it may be constructed so as to be movable relative to the front cover and the back cover.

The sheet body is fixed to the cover body, and only when the sheet body is in the unfolded posture, it is sufficient that the sheet body can be expanded with respect to the cover body via the second folding portion. It is not limited to the holder shown in the form.

The sheet body may have at least a sheet-like portion, and may not form a storage space capable of storing paper or the like like a holder.

The sheet body is not limited to one fixed on the binding source side of the cover body, and may be one fixed on the opposite binding source side.

The shape of the first bent portion can be any suitable shape without departing from the gist of the present invention. That is, it is sufficient that the first bent portion can adopt a form that protrudes outward in the unfolded posture.

The object to be bound may be configured to be movable relative to the front cover instead of the back cover. Moreover, it may be constructed so as to be movable relative to the front cover and the back cover.

In the above-described embodiment, the holder, which is a sheet body, is arranged so as to extend between the front cover and the back cover via the first binding piece and the second binding piece. , but not limited to these. For example, the sheet body is directly fixed to the front cover and the back cover without interposing the first and second support pieces so as to cross between the front cover and the back cover. It can be anything.

The sheet body may have, for example, the following configuration.

FIG. 15 shows an example of another embodiment of a holder J which is a cover body/sheet body fixed to a file.

In the holder J shown in FIG. 15, the lower half 312 of the base sheet main body 31 is fixed to the left edge of the lower half 42 of the cover sheet 4 by welding, and the lower end of the lower half 42 of the cover sheet 4 is attached to the lower end of the lower half 42 of the cover sheet 4 . It is integrally connected to the edge.

The right edge of the base sheet main body 31 and the right edge of the cover sheet 4 are not connected to each other and can be separated from each other when documents and the like are taken in and out.

The upper half portion 311 of the base sheet main body 31 and the upper half portion 41 of the cover sheet 4 are configured to be relatively movable in the vertical direction.

More specifically, a guide mechanism GY is provided between the upper half portion 311 of the base sheet main body 31 and the upper half portion 41 of the cover sheet 4 . The guide mechanism GY moves the upper half portion 311 of the base sheet main body 31 and the upper half portion 41 of the cover sheet 4 in conjunction with the opening and closing operation of the cover sheet A between the folded posture (F) and the unfolded posture (T). It can be guided so as to be relatively movable in the vertical direction.

The guide mechanism GY is one side portion of either the upper half portion 311 of the base sheet main body 31 or the upper half portion 41 of the cover sheet 4 (in the example of FIG. 15, the left side portion of the upper half portion 41 of the cover sheet 4). and the rail portion gy1 provided on the other side (in the example of FIG. 15, the left side of the upper half portion 311 of the base sheet main body 31) so as to be relatively movable in the vertical direction. and a rail holding portion gy2. With such a configuration, when the holder J is folded in half, the upper half portion 41 of the cover sheet 4 can move relative to the upper half portion 311 of the base sheet main body 31. The cover sheet 4 can be smoothly folded.

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

A... Cover body 1... Front cover 2... Back cover J... Holder (sheet body)
M... First folding part U... Second folding part (T)... Unfolded position (F)... Folded position (closed position)

Claims (7)

The front cover and the back cover are connected via a first folding part, and the unfolded posture is such that the front cover and the back cover can be unfolded so that the front cover and the back cover are substantially flush with each other, and the inner surfaces of the front cover and the back cover. and a cover body configured to be able to adopt a closed position facing each other, and a structure capable of being expanded with respect to the cover body through a second folding portion only when the cover body is fixed to the cover body and the cover body is in the expanded position. A file comprising a sheet body filled with
The file, wherein the first bent portion can adopt a form projecting outward in the unfolded posture. The cover body includes a first support piece connected to the front cover via the first bent portion, and a second support piece connected to the back cover via the second bent portion. 2. A file according to claim 1, wherein said sheet member is fixed to said first and second support pieces. 3. The file according to claim 2, wherein a notch is formed between said first bent portion and said second bent portion. 4. A file according to claim 1, 2 or 3, wherein said second fold extends in a direction crossing said first fold. The first folding part is a pair of outer fold lines formed at the boundary between the front cover and the back cover, and inside the pair of outer fold lines parallel to the pair of outer fold lines. and a pair of inward fold lines formed;
4. A file according to claim 1, 2 or 3, wherein in said unfolded posture, a portion between said outer folding line and said inner folding line can take a standing posture with respect to said front and back covers. The sheet body is welded to each of the first support piece and the second support piece,
4. A file according to claim 2 or 3, wherein the base edge of said front cover and the base edge of said back cover are not separated from each other when transitioning from said closed position to said unfolded position. 7. A file according to claim 2, 3 or 6, wherein the object to be bound is supported by said first supporting piece and said second supporting piece via a binding member.

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