JPH0832496B2 - File - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present application relates to a file in which a large number of pockets can be opened in a fan shape and which is effective in classifying and storing various kinds of documents.

2. Description of the Related Art Conventionally, a front plate, a bottom plate, and a rear plate are continuously connected in an upward U-shape through a fold line, and inward folding pieces are connected to the left and right side edges of each plate, respectively, and A horizontal rectangular exterior member made of synthetic resin with a lid piece connected to the upper edge, one side edge of the horizontal rectangular front piece, one side piece that can be folded in half, and the front piece and the like. The rear piece and a part of the other side of the side piece are successively connected via a fold line, and a part of the other side piece and a welding margin are provided on the other side edge of the front piece. The development plates, which are successively connected through the fold lines, and each of which is formed by extending the connecting piece through the fold line on the upper edge of the rear piece, are bent along the fold lines, and the welding margin is provided on the other side edge. A large number of storage bags made of a transparent synthetic resin plate in which pockets that open on the upper and lower surfaces are formed by welding to a part, and a left-right integrated binding that binds the exterior member and the multiple storage bags together. A large number of storage bags are sequentially connected so that the front connecting piece intervenes in the rear pocket part, and the assembly is inserted between the front plate and the rear plate of the exterior member. In addition, a file formed by binding the lower left and right positions of the assembly and the lower left and right positions of the exterior member with a binding rod is known, for example, from Japanese Utility Model Publication Nos. 63-112075 and 63-112076.

However, according to the above-mentioned conventional file, since the pocket portion is provided by welding, it is troublesome to manufacture, and the bottom surface of the pocket portion is opened so that the pocket portions can communicate with each other. Since it is in such a state, thin paper, for example, may sneak into the bottom of other pockets from the bottom of the pocket and lose sight of it.Furthermore, the lid piece extends from the upper edge of the back plate. When a document or the like is put in or taken out, there is a defect that the lid piece is always tilted in the closing direction due to the folding and becomes an obstacle, which is inconvenient to use.

Therefore, the present application enables not only the exterior member but also the configuration of the storage member having a large number of pocket portions and the assembly of the exterior member and the storage member to be performed only by the folding operation, and the lid piece to be removed. By bending outward from the plate, while eliminating the conventional defects described above,
An object of the present invention is to make it possible to change the spelling width of the exterior member according to the increase or decrease of the pocket portion of the storage member.

Means for Solving the Problem In order to achieve the above-mentioned object, the present application continuously attaches a mounting piece having through holes at left and right end portions to a rear edge of a front plate through a fold line, and A front plate having laterally long slots near the front edge, and front and rear edges of the bottom plate are provided with binding pieces that bend upward through folding lines, and the left and right end portions of each binding piece. A bottom plate having through holes, and mounting pieces having through holes at the left and right end portions on the front edge of the rear plate via fold lines, and a lid piece on the rear edge of the rear plate via fold lines. Along with the continuous installation, a rear plate having laterally long slotted holes at the rear edge position of the rear plate and the front edge position of the lid piece, respectively, and adjustable connectors are inserted through the through holes. Thus, the exterior member formed by connecting the front plate, the bottom plate and the rear plate, and the mountain folding lines and the valley folding lines are alternately arranged at a predetermined interval to connect a plurality of storage part pieces. The side pieces that can be folded in two and the connecting pieces that are connected to the side pieces are connected to the left and right edges of one of the storage section pieces that are adjacent to each other through the fold line. By folding lines of the expansion plate, which extends and has the covering piece and the engaging piece extending at both ends in the longitudinal direction through the folding lines, the storage section pieces are sequentially bent in a meandering shape and also in a valley fold shape. The connecting pieces on both sides of the one storage part piece that are bent and opposed to each other are folded in two so that each side piece is folded in two so as to overlap with the outer surface of the other storage part piece. And a storage member having a plurality of pockets whose left and right sides are closed by the side pieces, and the storage member is interposed between the front plate and the rear plate of the exterior member. At the same time, bend one of the cover pieces so as to cover the upper edge of the front plate of the exterior member, and insert the engaging piece into the groove hole. The engaging piece is overlapped between the front plate and the front surface of the storage member, and the other cover piece of the storage member is bent so as to cover the bent portion of the exterior member, the rear plate, and the cover piece. do it,
By inserting the engagement piece into the groove hole of the lid piece and the groove hole of the rear plate and superposing the engagement piece between the rear plate and the rear surface of the storage member, the storage member is assembled to the exterior member. It consists of

And according to the above, according to the increase or decrease of the number of pockets, the binding width of the exterior member can be changed by exchanging the bottom plate with different front and rear widths of the bottom plate. When a plurality of folding lines are provided in parallel with and close to the folding lines, and through-holes formed of elongated holes extending in the front-rear direction are provided at the left and right ends of the binding piece, the bottom plate is not replaced and the exterior member of the exterior member is not replaced. The spelling width can be changed.

Further, for the convenience of increasing the number of pockets, the storage member is composed of a plurality of storage members, and the plurality of storage members are interlocked with a linking piece and a slot provided respectively at the positions of their troughs. In order to prevent the connecting piece from being pulled out, the storage part that does not have a connecting piece is folded in a mountain-like shape at the left and right sides along each mountain fold line of the storage part, and the storage is opposed to each other. Tongue pieces that intervene between the tongue pieces are provided in a protruding manner, and notches that engage with the tongue pieces are provided at the ends of the side pieces that face the tongue pieces, respectively, and to improve the appearance, On each of the left and right side edges of the front plate, the rear plate, and the bottom plate, a folding piece and a projecting piece are respectively extended via folding lines, and are folded inward at the front edge of the front plate to form a groove in the front plate. It is formed by extending a folded piece having a groove hole facing the hole, and furthermore, the lid piece is curved so as to increase or decrease the binding width of the bottom plate. , The lid piece, those formed by spaced a plurality of fold lines in parallel in close proximity at a position away from the groove hole.

In operation, however, as in the conventional case, when the storage member is opened in a fan shape together with the front plate and the rear plate, each pocket portion opens greatly, so that documents and the like are stored in each opened pocket portion. In addition, when not in use, it contracts to the width of the bottom plate to close the lid piece.

When a storage member with many pockets is used, it may be replaced with a bottom plate having a binding width corresponding to its thickness, but one binding piece on the bottom plate may be replaced with a plurality of parallel sheets close to the folding line. The folding line is provided, and the through-holes that are elongated holes extending in the front-rear direction are provided at the left and right ends of the binding piece. The width can be easily changed.

EXAMPLE An example of the present application will be described below in detail with reference to the drawings. A development plate of a front plate (2) made of a relatively thick synthetic resin plate that constitutes the exterior member (1) of the file A in FIG. 2 ( 2) a, a development plate (3) a of the bottom plate (3), and a development plate (4) a of the rear plate (4), wherein the development plate (2) a of the front plate is a horizontally long rectangle. Folding pieces (7) and (7) that are folded back inwardly through the folding lines (6) and (6) on the left and right side edges of the front plate (5) have a folding line () on the upper edge of the front plate (5). The folding piece (9) that is folded back inwardly via 8) and the attachment piece (11) that bends inwardly through the folding line (10) are connected to one end at the lower edge of the front plate (5). Installed and front plate (5)
And a pair of left and right oblong slots (1) facing each other across the folding line (8) at a position near the front edge by the folding piece (9) provided at the front edge.
2), (12), (13), (13) are also mounting pieces (11)
Through holes (14) and (14) are formed at positions near the left and right side edges, respectively, and the front plate (5) has a stopper (38) for a lid piece (32) described later on the surface thereof. Releasable stoppers (15), (15) are provided. The expansion plate (3) a of the bottom plate (3) has a binding piece (18) that overlaps with the attachment piece (11) via a fold line (17) at the front edge of the narrow bottom plate (16), In addition, a binding piece (20) having a wider vertical width than the binding piece (18) bent upward through the folding line (19) is continuously provided on the rear edge of the bottom plate (16), and Through-holes (21) and (21) that match the through-hole (14) are provided at positions on the left and right side edges of the binding piece (18).
Further, at the left and right edge positions of the other binding piece (20),
Elongated holes (22), (22) extending in the front-rear direction are provided respectively, and further, the binding piece (20) has a plurality of folding lines (23) ... ... are spaced apart, and projecting pieces (25), (25) are projected on the left and right side edges of the bottom plate (16) via folding lines (24), (24). The expansion plate (4) a of the rear plate (4) is folded back inward through the folding lines (27) and (27) at the left and right side edges of the rear plate (26) facing the front plate (5). The rear plate (26) has a mounting piece (30) where the pieces (28), (28) overlap the other binding piece (20) through the folding line (29) at the lower edge of the rear plate (26). Yamafold line (3
The lid pieces (32) that are folded back outwardly via 1) are integrally provided in a row, and through holes that match the elongated holes (22) are provided near the left and right side edges of the attachment piece (30). (33) is provided, and a pair of left and right laterally long slots (34) facing each other with the mountain fold line (31) sandwiched between the rear plate (26) and the lid piece (32) near the mountain fold line (31). ), (34), (35), (35) are provided in a straight line, respectively, and further, the lid piece (32) has a slot hole (35) at a position and a front and rear sides which are slightly separated from the slot hole (35). A pair of folding lines (36) a, (36) b are arranged in parallel close to the intermediate position between the folding line (36) b and the edge of the lid piece (32).・ Each is provided. Reference numeral (38) is a detachable stopper for fixing the lid piece (32) to the stopper (15) of the front plate (5).

Figures 3 and 4 show a storage member made of a transparent sheet of synthetic resin, such as polypropylene, which can be connected in the middle (3
9) A pair of front and rear storage member deployment plates (40), (4
1) is shown and the front deployment plate (40) shown in FIG. 3 is shown.
Is an odd-numbered horizontal rectangular storage piece (44) in which the valley fold line (42) and the mountain fold line (43) are alternately arranged in the longitudinal direction at regular intervals.
a ... (44) e are connected in series, and a front cover piece (46) is provided at the front edge of the frontmost storage part piece (44) a via a fold line (45). Further, a pair of left and right engaging pieces (48) are respectively extended to the front edge thereof through fold lines (47), and a valley fold line (42) is provided at the end edge of the storage part piece (44) e at the last position. ), The linking piece (49) is extended, and the slot (50) is provided at the position of the valley fold line (42). In addition, the folding line (5) is provided on both left and right edges of one of the storage unit pieces (44) a which are adjacent to each other in the front and rear direction via the foremost valley fold line (42) a.
1) A narrow side piece (52) a, (52) that can be folded in half through
b, connecting pieces (54) a, (54) b having a required width are connected to the outer edge of the valley fold line (53), and in this way, other valley fold lines (42) b, One of the storage part pieces (44) c, (44) e, which are adjacent to each other via the (42) c, has the folding lines (51), (53) on the left and right side edges in the same manner as described above.
Side piece that can be folded in half through (52) c, ・ ・ ・ ・ ・ (52)
f and the connecting pieces (54) c, ... (54) f are connected to each other. In addition, (55) protrudes to the left and right sides along the mountain fold line (43) in the other storage part pieces (44) b, (44) d having no connecting piece (54), and folds into a mountain fold shape. The tongue pieces (56) bent and intervening between the opposing storage piece pieces are the tongue pieces (55).
The notch is provided at the end of the side piece (52) so as to engage with the tongue piece. The rear deployment plate (41) shown in FIG. 4 is the frontmost storage plate (41) instead of the linking piece (49) and the slot (50) in the front deployment plate (40). Four
4) Same as the front deploying plate (40) except that the front edge of the er is provided with a linking piece (58) into which the groove hole (50) is inserted and connected via a fold line (57). Therefore, in the figure, r is added to the reference numeral of the portion corresponding to the front deploying plate (40). (59) is a connecting tool capable of successively increasing the number of single rods by screwing, and (60) is inserted into the mountain folds of the front deploying plate (40) and the rear deploying plate (41). It is a heading card bent into a V-shaped cross section.

Then, first, when the exterior member is configured, the folding pieces (7), (7) and the folding piece (9) of the front plate development plate (2) a are folded (6), (6) and the folding line ( 8) are folded back inwardly through the inner surface of the front plate (5) and overlap the inner surface of the front plate (5), and the mounting plate (11) is bent upward through the fold line (10) to move the front plate (2). In addition, the front binding piece (18) and the rear binding piece (20) of the expansion plate (3) a for the bottom plate are formed in an upward U-shape through the folding line (17) and the folding line (19). The bottom plate (3) is formed by bending the protrusions (25) and (25) inward through the fold lines (24) and (24) and superposing them on the inner surface of the bottom plate (16). , The folding plates (28), (28) of the rear plate development plate (4) a, and the folding lines (27), (2
It folds inwardly via 7) and overlaps with the inner surface of the rear plate (26), and the mounting piece (30) is bent upwards along the fold line (29), and the lid piece (32) is The rear face plate (4) is formed by folding back outward through the mountain fold line (31), and the front face plate (2), the bottom face plate (3), and the rear face plate (4) thus formed are divided into fifth parts. Through hole (14) and through hole (2
Inserting the connecting tool (59) through the 1), the long hole (22) and the through hole (33), the mounting piece (11) and the binding piece (18) and the binding piece (20) and the mounting piece (30). Are polymerized and connected to form an exterior member (1) including a front plate (2), a bottom plate (3) and a rear plate (4). Next, the front expansion plate (40) for the storage member is attached to each storage piece (44) a, ... (44) e through the valley fold line (42) and the mountain fold line (43). Each of the side pieces is folded in a meandering shape one by one, and the connecting pieces of the one storage member of the front and rear storage section pieces that are valley-folded are overlapped with the outer surface of the other storage section piece. Fold in half. That is, the connecting piece (54) of the one storage part piece (44) a folded in a valley shape.
The other storage part piece (44) in which a, (54) b are valley-folded
Side pieces (52) a, (52) b so that they are superposed on the outer surface of b respectively.
Fold each in half and fold each other to the left and right sides of the front and rear storage part pieces (44) a, (44) b that face each other.
2) Close with a and (52) b. In this way, the other storage section piece (44) c and the storage section piece (44) which are folded in a valley and face each other.
The left and right side portions with respect to b are also closed by the side pieces (52) c and the side pieces (52) d, respectively, so that they are valley-folded and face each other. Pocket portions are formed between the piece (44) c and the storage piece (44) d, respectively.
Furthermore, the tongue pieces (55) a, (55) b, (55) c, (55) d are respectively bent outwardly, and these are mountain-folded to face the storage section pieces (44) b facing each other. Storage piece (44) c and storage piece (4
4) Intervene in the upper part between d and the storage piece (44) e.
Then, the tongue piece (55) overlaps with the outer surface of the upper portion of the connecting piece (54) and is engaged with the end edges of the notch (56) provided opposite to the upper surface of the connecting piece (54). Is prevented, and the front member (39) a of the storage member (39) is constructed as shown in FIG. 6 (a). The above-mentioned structure is the same in the rear expansion plate (41) for the storage member. That is, the storage part piece (44) ar, the storage part piece (44) br, the storage part piece (44) cr, and the storage part piece (44) dr that are valley-folded by the valley fold lines (42) ar, (42) br and face each other. The left and right side portions of the side piece (52) ar and the side piece (52) br and the side piece (52) cr and the side piece (52).
Close each by dr and store compartment (44) ar and compartment (4
4) A pocket portion is formed between the br and the storage piece (44) cr and the storage piece (44) dr, and each tongue piece (55) ar, (55) b.
r, (55) cr, (55) dr are respectively bent outward, and these are mountain-folded cover pieces (46) r, storage section pieces (44) ar, storage section pieces (44) br, and storage sections. By intervening in the upper part between the pieces (44) cr to prevent the connecting pieces (54) r from coming out, as described above, as shown in FIG. 6 (b), the rear member (3) of the storage member (39).
9) Configure b. The storage member (3
The front member (39) a and the rear member (39) b of 9) engage the linking piece (58) provided in the rear member (39) b in the slot (50) provided in the front member (39) a. Insert the valley fold line (42) c, fold line (5
7) is connected by bending, and the storage part (4
4) The connecting pieces (54) e, (54) f of e are superposed on the outer surface of the storage piece (44) er, and the tongues (55) er, (55) dr are bent outward, respectively. , These are folded storage pieces (44) er
And the storage piece (44) dr are intervened in the upper part, respectively, and are engaged with the cutouts (56) e, (56) f to connect the connection pieces (54) e, (54) f.
A pocket portion is also formed between the storage portion piece (44) e and the storage portion piece (44) er by preventing the escape of the pocket portion, and the storage member (39) having a large number of pocket portions arranged in series is configured as described above. To be done.

Next, the structure for assembling the storage member (39) to the exterior member (1) having the structure shown in FIG. 5 will be described in detail.

That is, as shown in FIG. 5, a front plate (2) of an exterior member (1) formed by connecting a front plate (2), a bottom plate (3), and a rear plate (4) with a connecting tool (59). The storage member (39) is inserted between the rear face plate (4) and the lower portion thereof is inserted between the binding pieces (18) and (20) of the bottom face plate (4),
In addition, as shown in FIG. 7, the front cover piece (46) is bent through the folding line (45) so as to cover the bending portion of the folding line (8), and the folding line (47) is also folded. Engagement piece (48)
2) and the groove hole (13), and the engaging piece (48) is overlapped between the storage part piece (44) a and the folding piece (9), and the bent portion of the mountain fold line (31) is bent. Fold the fold line (45) r so as to cover it, fold the fold line (47) r, and insert the engaging piece (48) r into the groove hole (35) and the groove hole (34). By stacking the piece (48) r between the storage piece (44) cr and the rear plate (26),
The exterior member (1) and the storage member (39) are assembled, and the first
Configure the files shown in the figure.

When using it, the front plate (5) and the rear plate (2
Along with 6), the storage member (39) opens in a fan shape, documents are stored in a large opening pocket, and when not in use, the document is contracted to the width of the bottom plate (16) and the stoppers (15),
The lid piece (32) is closed via the (38). As shown in Fig. 8, the mountain-folded front and rear storage pieces (4
Connecting pieces (5
4) Insert a heading card (60) that is bent in an inverted V shape from the side so as to straddle between the upper edges, and lock both ends of these by bending the tongue (55). Thus, the headline can be displayed for the pocket portion at the required position.

In the embodiment described above, the front expansion plate (40) for the storage member and the rear expansion plate (41) are connected by inserting the connecting piece (58) into the slot (50). Storage member (3
Although the case where 9) is configured is shown, as shown in 9th, the front development plate (61) for the storage member and the rear development plate (61) are described.
A connecting piece (62) which can be engaged with each other and a linking piece (64) having a slot (63) can be arranged in parallel at the end of r in the longitudinal direction. In addition, in the above-mentioned embodiments, the case where the storage member is composed of the front development plate for the storage member and the rear development plate for the storage member is described, but when a file having a relatively small number of pockets is formed, , As shown in FIG. 10, an even number of storage part pieces (65) a, ... (65) f are connected in a required number of lengths, and engaging pieces (66 ),
The storage member is configured by the expansion plate (67) for the storage member, which is provided with (66) and the engaging pieces (66) r, (66) r, respectively.

When increasing the number of pockets in the above, in addition to increasing the number of pockets of the front member (39) a and the rear member (39) b of the storage member (39), the front member (39) a and the rear member ( It can also be carried out by connecting the intermediate part storage member (68) between it and 39) b.

That is, FIG. 1 shows the expansion plate (68) of the storage member (68) for the intermediate portion.
a shows a plurality of storage pieces (69) a, (69) b, ...
... (69) n are continuously provided via the mountain fold line (70) a and the valley fold line (70) b, and either one of the storage part pieces adjacent to each other via the valley fold line (70) b is connected. Storage pieces (69) b, (69) d,
・ ・ ・ ・ ・ Folded lines (71) a, (71) on both left and right edges of (69) n
Side pieces (72) a, (72) b, ...
.. (72) n and connecting pieces (73) a, (73) b, ... (7
3) n and tongue pieces (74) a, (74) b, ... (74) n and notches (75) a, (75) b, ... (75) n, respectively. When provided, the insert piece (76) is attached to one edge in the longitudinal direction.
(76) is provided with folding pieces (78) having slits (77) and (77) for engaging the insertion piece (76) at the other edge, respectively. Each polygonal line (70) a, (70) b,
(71) a, (71) b are bent and overlapped on the outer surface of the other storage part piece facing each other, and the connecting piece (54) e of the storage part piece (44) e of FIG. 6 (a) is formed. , (54) f are superposed on the outer surface of the storage part piece (69) a, respectively, and the connecting pieces (73) n, (73) n of the storage part piece (69) n at the other end are shown in FIG. ) Overlaps with the outer surface of the storage part piece (44) er, and the insertion piece (76) is inserted into the slot (50) of the link piece (49) and the link piece (58) is slit (77), (77). The intermediate member storage member (68), the storage member (39) front member (39) a, and the rear member (39) b.
And concatenate. According to this structure, since the width dimension of the entire storage member (39) increases, the length dimension of the coupling tool (59) is extended by adding a single rod and the bottom plate (16) corresponding to the increased dimension. ) Width dimension l is as shown in FIG.
Increase by changing the position of the fold lines (23) that are juxtaposed in parallel, and in accordance with this change, strike a plurality of fold lines (37) that are juxtaposed in parallel with the lid piece (32) and fold at any fold line position. It is a thing.

In the above, when the binding width of the bottom plate of the exterior member is changed in accordance with the increase or decrease in the number of pockets, it can be performed by changing the bottom plates having different front and rear widths of the bottom plate.

EFFECTS OF THE INVENTION As described above, according to the present application, it is not necessary to weld the expansion plates of the exterior member and the storage member, and the assembly of the exterior member and the storage member can be performed by simply inserting them. Since it can be configured easily, it can be provided at low cost, and since the lid piece is folded back outward at the time of use, the lid piece folds when used to keep the open state and put in and out documents. It is convenient, and in the structure according to the second aspect, the spelling width of the exterior member can be changed according to the increase or decrease of the pocket portion, which is convenient for use. Further, in the configuration according to claim 3, it is effective when the pocket portion of the entire storage member is increased by connecting the storage member for the intermediate portion with the front member and the rear member of the storage member attached to the exterior member. Further, in the structure of claim 4, the connecting piece can be prevented from being pulled out, and in the structure of claim 5, since the cut edge does not appear at the outer peripheral edge of the exterior member, the appearance is good, and The structure according to claim 6 has an advantage that it is easy to use because the lid piece is curved in response to an increase in the width dimension of the bottom surface.

[Brief description of drawings]

The drawings show an embodiment of the present application, and FIG. 1 is a general perspective view and FIG.
FIG. 4 is a developed plan view of the exterior member, FIG. 3 is a developed plan view of the front member of the storage member, FIG. 4 is a developed plan view of the rear member of the storage member, and FIG. 5 is a partially cutout exterior view after bending. FIG. 6 is a perspective view of the member, FIG. 6 is a perspective view of the front member and the rear member of the storage member after bending, FIG. 7 is an enlarged vertical side view of the main part, and FIG. FIG. 9 is an enlarged perspective view showing a state, FIG. 9 is a developed plan view of a part of a front member and a rear member of a storage member showing another embodiment, and FIG. 10 is a developed plan view of a storage member in another embodiment. FIG. 11 is a plan view of the rotation of the storage member for the intermediate portion, and FIG. 12 is an enlarged vertical sectional view of a main portion in another embodiment. In the figure, A is a file, (1) is an exterior member, (2) is a front plate, (2) a, (3) a, (4) a, (40), (41), (6
1), (61) r, (67), (68) a are expansion plates, (3) is a bottom plate, (4) is a rear plate, 5 is a front plate, (6), (8),
(10), (17), (19), (23), (24), (27),
(29), (37), (45), (45) r, (47), (47) r,
(51), (51) r, (53), (53) r, (57), (71) are broken lines, (7), (9), (28) are folded pieces, (11), (30)
Is a mounting piece, (12), (13), (34), (35), (50),
(63) is a slot, (16) is a bottom plate, (18), (20) are binding pieces, (14), (21), (33) are through holes, (22) is a long hole,
(25) is a protrusion, (26) is a rear plate, (31), (43), (43)
r is a mountain fold line, (32) is a lid piece, (39) is a storage member, (39)
a, (39) b, (68) are divided storage members, (42), (4
2) r, (70) b are valley fold lines, (44), (44) r, (65), (6
9) is a storage part piece, (46), (46) r is a cover piece, (48), (4
8) r, (66), (66) r is an interlocking piece, (49), (58), (6
2) and (64) are linking pieces, (52), (52) r, (72) are side pieces, (54), (54) r, (73) are connecting pieces, (55), (5)
5) r and (74) are tongue pieces, (56), (56) r and (75) are notches, and (59) is a connector.

Claims (6)

[Claims] 1. A front plate in which mounting pieces having through-holes at the left and right ends are continuously provided to the rear edge of the front plate through fold lines, and laterally long groove holes are provided near the front edge of the front plate. And a bottom plate having a through hole at each of the left and right end portions of each binding piece, which is continuously provided on the front and rear edges of the bottom plate through the folding line. A mounting piece having a through hole is provided on the front edge of the rear plate through a fold line, and a lid piece is connected to the rear edge of the rear plate through the fold line. The front plate, the bottom plate, and the rear plate are formed by inserting a connecting member that can be increased or decreased into the front plate and the rear plate. The exterior member formed by connecting and the mountain fold line and the valley fold line are alternately arranged at a predetermined interval so as to connect a plurality of storage part pieces, and are adjacent to each other through the valley fold line. Out of the storage part pieces, a foldable side piece and a connecting piece connected to the side piece are respectively provided on both left and right side edges of the storage part piece through folding lines, and both end portions in the longitudinal direction. The storage part piece is sequentially bent in a meandering shape by each folding line of the expansion plate in which the covering piece and the engaging piece are respectively extended through the folding line, and the one side of the storage section is bent in a valley fold shape and faces each other. Folding each side piece so that the connecting pieces on both sides of the piece overlap with the outer surface of the other storage portion piece,
A storage member having a plurality of pocket portions whose left and right side portions are closed by side pieces is formed between the storage portion pieces that are bent in a valley fold and face each other, and between the front plate and the rear plate of the exterior member. While inserting the storage member, the one cover piece is bent so as to cover the upper edge of the front plate of the exterior member, and the engaging piece is inserted into the groove hole to insert the engaging piece. The locking piece overlaps between the front plate and the front surface of the storage member, and the other cover piece of the storage member is bent so as to cover the bent portion between the rear plate of the exterior member and the lid piece. A file formed by assembling the storage member to the exterior member by engaging the storage member with the slot of the lid piece and the slot of the rear plate and superposing the engagement piece between the rear plate and the rear surface of the storage member. 2. A plurality of folding lines provided in parallel with one of the binding pieces of the bottom plate in close proximity to the folding line according to claim 1, and
A file formed by providing through holes, which are elongated holes extending in the front-rear direction, at the left and right ends of the binding piece. 3. The storage member comprises a plurality of storage members, and the plurality of storage members are connected by interlocking a linking piece and a slot provided respectively at the positions of their valleys. Or the file described in 2. 4. A tongue piece, which is bent in a mountain-like shape and which intervenes between the facing storage piece pieces, is provided at both left and right sides along the respective mountain fold lines of the storage piece without the connecting piece, and The file according to claim 1, 2 or 3, wherein a cutout portion that engages with the tongue is provided at an edge of a side piece that faces the tongue. 5. A folding piece that overlaps the inner surface of the front plate and the rear plate via a fold line, and projecting pieces that overlap inwardly extend to the left and right side edges of the bottom plate, respectively. The file according to claim 1, 2, 3 or 4, wherein a folding piece is provided at the front edge of the front plate, the folding piece having an inwardly folded back and a slot hole facing the slot hole of the front plate. . 6. The file according to claim 1, wherein the lid piece is provided with a plurality of fold lines which are closely arranged in parallel at a position apart from the slot.