JPH0732789A - File - Google Patents

Abstract

PURPOSE:To prevent extension of a front cover and a rear cover due to reaction of a hinge when the front and rear covers are closed and to erect the front and rear covers in parallel. CONSTITUTION:Engaging protrusions 51 and engaging pieces to engage a front cover 12 and a rear cover 13 with a standing wall 24 and a locking plate 28 when the covers 12, 13 are closed are provided between the front and rear covers 12 and 13 and between the wall 24 of a binder 2 and the locking plate 28 to prevent extensions of the front and rear covers due to reaction of a hinge.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a file, and more particularly to a file formed by attaching a binding device to the spine of a cover body in which a front cover and a back cover are connected to the spine via hinges.

[0002]

2. Description of the Related Art Generally, a file which is designed to have a board, a standing wall having a standing rod standing upright on both sides in the width direction of the board, and a binding plate on a lock plate is mounted on the inner surface of a spine cover. As disclosed in Japanese Utility Model Application Laid-Open No. 2-117187, two hinge portions that are parallel to each other are provided in the central portion in the length direction of a cover body mainly made of a single cardboard, and the space between the hinge portions is the spine cover. As this, the binding is attached to the inner surface of the spine cover, the front cover and the back cover are opened and the paper sheet is bound to the binding device, and after binding the paper sheet, the front cover and the back cover are attached. Are closed so as to face each other on both sides in the width direction of the binding device, and they are stored upright on a filing shelf or the like.

[0003]

However, in the file constructed as described above, the width of the spine cover is wide so that a large number of sheets can be bound. In many cases, the thickness of the cardboard is thick so that the strength during standing storage can be obtained.

When the hinge portion is formed on the cover body thus constructed, the hinge portion is formed by pressing inwardly from the outer surface to the inner surface of the cover body, and these hinge portions project inward. It is shaped like a bulge. Therefore, it is possible to open the front cover and the back cover in an unfolded manner or to close them in a folded manner with respect to the spine, but when closing in a folded manner, the hinge portion protruding inward is That is, the bulging portion is elastically deformed into a compression shape. Therefore, when the front cover and the back cover are closed in a folding manner, the reaction force due to the elastic deformation of the hinge part acts on the front cover and the back cover in the opening direction, and the reaction force of the hinge part causes the front cover and the back cover. The cover will spread, not only will it look bad when placed on a desk, but also
There was also a problem of taking place.

The cover body may be formed of thick paper as described above, or may be formed of a thick synthetic resin sheet. A hinge portion is formed on the cover body of the synthetic resin sheet. In this case, the inner surface of the cover body is provided with a recessed line that is recessed toward the outer surface to form a thin wall. Therefore, when the front cover and the back cover are closed in a folded shape with respect to the back cover, the hinge portion is bent and twisted from the deployed state to the standing state, so that the thin portion thereof is elastically deformed, and therefore, When the front cover and the back cover are closed in a folded shape, a reaction force due to elastic deformation of the hinge portion acts on the front cover and the back cover in the opening direction, and the hinge is similar to the case where the cover body is formed of thick paper. The reaction force of the parts causes the closed front cover and back cover to spread.

An object of the present invention is to prevent the front cover and the back cover from spreading due to the reaction force of the hinge when the front cover and the back cover are closed in a folding manner, and to close them in parallel with each other. The point is to be able to.

[0007]

In order to achieve the above-mentioned object, the invention according to claim 1 has a front cover 12 and a back cover 13.
And a cover body 1 in which the back cover 11 is connected to the spine cover 11 via a hinge portion 14, and a binding device 2 in which a standing wall 24 having binding rods 22 and lock plates 28 are provided upright on both sides of the substrate 21 in the width direction. A file in which the binding 2 is attached to the spine cover 11, and is a file in which the front cover 12 and the back cover 13 and the standing wall 24 and the lock plate 28 of the binding 2 are provided. 1
The locking means 5 is provided for locking the front cover 12 and the back cover 13 to the standing wall 24 and the lock plate 28 of the binding device 2 when the front cover 2 and the back cover 13 are closed.

The invention according to claim 2 is the locking means 5
Is attached to the inner surface of the front cover 12 and the back cover 13, and when the front cover 12 and the back cover 13 are closed, the standing wall 24 of the binding device 2 and the locking edge of the lock plate 28 are engaged with each other. 53
It was formed by.

The invention according to claim 3 is the cover sheet 12
And, when the front cover 12 and the back cover 13 are closed, the standing wall 24 and the lock plate 28 of the binding device 2 are received and the standing wall 24 and the lock plate 28 are positioned on the formation position of the hinge portion 14. The receiving portions 4 are provided, and the locking means 5 is provided between the receiving portions 4 and the standing wall 24 and the lock plate 28.

[0010]

According to the first aspect of the invention, the front cover 12 and the back cover 13 of the cover body 1, the standing wall 24 and the lock plate 28 are provided.
Since the locking means 5 is provided between the front cover 12 and
When the back cover 13 and the back cover 13 are closed, the front cover 12 and the back cover 13 are locked by the standing wall 24 and the lock plate 28 of the binding device 2 fixed to the spine cover 11 by the locking means 5, and accordingly, It is possible to prevent the front cover sheet 12 and the back cover sheet 13 from spreading due to the reaction force of each hinge portion 14. As a result, even when a file that is folded and folded is placed upright on a desk or the like, the front cover 12 and the back cover 13 can be erected in parallel, so that there is no problem in that it looks bad. The space for placing it can be reduced.

According to the second aspect of the present invention, the locking means 5 is formed by the locking piece 53 with which the edge of the standing wall 24 of the binding device 2 and the lock plate 28 are engaged, and the cover 12 Since it is attached to the inner surface of the back cover 13, the front cover 12 and the back cover 13 are prevented from spreading by a simple structure in which the locking pieces 53 are attached without changing the structures of the cover body 1 and the binding device 2. You can do it.

According to the invention of claim 3, the front cover 1
2 and the back cover 13, the standing wall 24 of the binding device 2 and the lock plate 2
The receiving part 4 for receiving 8 is provided, and these receiving parts 4
And the locking means 5 between the vertical wall 24 and the lock plate 28.
Therefore, when the front cover 12 and the back cover 13 are closed, the outer side surface in the width direction of the binding device 2 can be positioned outside the inner surfaces of the front cover 12 and the back cover 13, and accordingly, While the inner surface distance H1 between the standing wall 24 and the lock plate 28, that is, the inner width H1 of the binding device 2 can be widened and the binding amount with respect to the back width of the file can be increased,
By using the receiving part 4, the locking means 5 can be formed without using a special locking piece, and the structure can be simplified accordingly.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The files shown in FIGS.
Is formed of a synthetic resin sheet having a thickness of about 2.8 to 3.0 mm, and the binding device 2 is attached to the inner surface of the spine cover 11 of the cover body 1.

As shown in FIG. 1, the cover body 1 is provided with two parallel thin-walled hinge portions 14, 14 recessed toward the outer surface on the inner surface of the central portion in the longitudinal direction thereof.
A space is defined as a back cover 11, and a front cover 12 and a back cover 13 are integrally connected to the back cover 11 via the hinge portions 14.

The binding device 2 shown in FIGS. 1, 3 and 4 is also used.
Has a rectangular substrate 21 and two cylindrical binding rods 22,
In addition, a rectangular standing wall 24 pivotally supported on one side in the width direction of the base plate 21 via a pivot shaft 23, and two insertion rods 25 to be inserted into the tubular binding rod 22. Holding plate 26
And the other side portion of the base plate 21 in the width direction is swingably supported by a pivot shaft 27, and is engaged with one end portion in the width direction of the pressing plate 26 to swing the standing wall 24. 4 and a biasing spring 29 for constantly biasing the standing wall 24 in the falling direction (clockwise direction in FIG. 4) between the standing wall 24 and the substrate 21 as shown in FIG. The lock plate 2 is interposed between the lock plate 28 and the substrate 21.
8 is provided with an urging spring 30 for constantly urging in the upright direction (clockwise direction in FIG. 1), and the substrate 21 is closely attached to the inner surface of the spine cover 11 via the mounting pin 3. At the time of use, the upper end side engaging portion 28a of the lock plate 28 is attached to the one end in the width direction of the pressing plate 26 in a state where the insertion rod 25 of the pressing plate 26 is inserted into the tubular binding rod 22. By engaging with the holding portion, the standing wall 24 is locked in the standing position, and the lock plate 28 is rocked counterclockwise in FIG. 4 to engage with the holding plate 26 of the engaging portion 28a. The lock of the standing wall 24 can be released by releasing the lock. Incidentally, the base plate 21, the standing wall 24, the lock plate 28, and the holding plate 26 excluding the insertion rod 25.
Is formed of a synthetic resin, and the insertion rod 25 is formed by bending a metal wire into a U shape, and the connecting portion thereof is
When the pressing plate 26 is formed, the pressing plate 26 is integrally connected. Further, a stopper 20 for preventing the lock plate 28 from falling down in the clockwise direction of FIG. 1 by the biasing spring 30 is provided on the side of the substrate 21 that pivotally supports the lock plate 28.

Therefore, the embodiment shown in FIGS.
On both the front cover 12 and the back cover 13 of the cover body 1,
When the cover sheet body 1 is closed in a folded shape as shown in FIGS. 3 and 4, the standing wall 24 and the lock plate 28 facing the front cover sheet 12 and the back cover sheet 13 are attached to the hinge portions 14, 14 respectively.
Receiving portions 4 and 4 for receiving the standing wall 24 and the lock plate 28 on the formation positions of the hinge portions 14 from the inside of the back cover 11, that is, in the longitudinal direction of the receiving portions 4. The locking projections 51 are integrally provided on both end surfaces, and when the front cover 12 and the back cover 13 are closed at both ends in the lengthwise direction of the standing wall 24 and the lock plate 28, the locking projections 51 and A concave engaging portion 52 is provided to be engaged, and the front cover 12 and the back cover 13 are locked to the upright standing wall 24 and the lock plate 28 by the engagement between the locking protrusions 51 and the engaging portion 52. The locking means 5 is configured, and the cover 1
2 and the back cover 13 can be made to face each other in parallel.

The hinge portions 14, the receiving portions 4, and the locking protrusions 51 are formed when the cover body 1 is molded. In FIGS. 1 to 4, the receiving portions 4 are formed as follows. The cover body 1 is formed by a recessed portion that is recessed from the inner surface toward the outer surface, and the locking projections 51 are not provided on the entire end surface of the receiving portion 4, but as shown in FIGS. 1 and 2. The receiving portion 4 is formed in a substantially semi-circular shape in the widthwise central portion of the lengthwise end surface on the inlet side of the recessed portion, and is elastic by utilizing the bending characteristic of the synthetic resin when engaging with the engaging portions 52. It can be displaced.

Further, each engaging portion 52 shown in FIG. 2 and FIG.
Is formed at both end portions in the length direction of the standing wall 24 and the lock plate 28 and at the center portion in the width direction is recessed. The side surface may be the engaging portion.

On the outer surface of the spine cover 11 of the cover body 1, as shown in FIG. 4, a spine heading 6 made of, for example, thin paper extending along the lengthwise direction of the spine cover 11 is provided, and the cover body 1 is also provided. A heading cover 7 made of a transparent resin sheet wider than the spine heading 6 is attached to the outer surface of the spine cover 11 portion of the spine heading 6, and the spine heading 6 can be inserted into and removed from the cover 7 from one end opening of the heading cover 7. Have been inserted into.

Next, the operation of the embodiment configured as described above will be described.

In the file configured as described above, after the front cover 12 and the back cover 13 are opened in a developed state and the sheets are bound into the binding device 2, the front cover 12 and the back cover 13 are the binding devices. It is folded and closed so as to face each other on both sides in the width direction of 2, and is stored upright on a filing shelf or the like. Also,
The cover body 1 is made of a synthetic resin sheet,
Since the hinge portion 14 is formed, when the front cover sheet 12 and the back cover sheet 13 are closed, the hinge portion is bent from the unfolded state to the upright state, so that the thin portion thereof is elastically deformed. The reaction force due to the elastic deformation of the portion 14 acts on the front cover 12 and the back cover 13 in the opening direction. However, as shown in FIGS. 1 and 3, it is applied to both the front cover 12 and the back cover 13. Since the stop projection 51 is provided and the engagement portion 52 is provided on the standing wall 24 and the lock plate 28 of the binding device 2, when the front cover 12 and the back cover 13 are closed,
By engaging the locking projections 51 with the engaging portions 52, the front cover 12 and the back cover 13 are made to correspond to the spine cover 11.
It is locked to the standing wall 24 and the lock plate 28 of the binding device 2 of the binding device 2 fixed to the above, and therefore the front cover 12 and the back cover 13 can be prevented from spreading due to the reaction force of each hinge portion 14. For this reason, even when a folded file is placed upright on a desk or the like, the front cover 12 and the back cover 13
It can stand upright in parallel and does not look bad, and it can reduce the space required when it is placed on a desk or the like.

As described above, the locking projections 51 can be prevented while preventing the front cover 12 and the back cover 13 from spreading.
Is formed on the end surface of the receiving portion 4, these locking projections 51 do not project outward from the inner surfaces of the front cover 12 and the back cover 13.

Further, in the embodiment shown in FIGS. 1 to 4, the front cover 12 and the back cover 13 are provided with standing walls 24 of the binding device 2.
Also, since the receiving portion 4 for receiving the lock plate 28 is provided, when the substrate 21 is attached to the inner surface of the spine cover 11, the standing wall 24 and the lock plate 28 should be positioned above the formation positions of the hinge portions 14. In addition, when the front cover 12 and the back cover 13 are closed, the width direction outer side surface of the binding device 2 is covered with the front cover 12 and the back cover 13 as shown in FIGS. 3 and 4.
Since it can be positioned outside the inner surface, the inner surface distance H1 between the standing wall 24 and the lock plate 28, that is,
The inner width H1 of the binding device 2 can be widened, so that the binding amount with respect to the back width of the file can be increased.

In the embodiment described above, the front cover 12
Also, the receiving portions 4 are provided on the back cover 13 and the locking projections 51 are integrally provided on the end surfaces of the receiving portions 4, but in addition, as shown in FIG. 5, the mounting portion 53a is provided at one end and the other end is provided at the other end. A flat plate-like locking piece 53 having a locking portion 53b is used, and the mounting portion 53a of the locking piece 53 is attached to the front cover 12 and the back cover 13 near the receiving portion 4 by a bonding pin or by adhesion or fusion. The locking portion 53b may be inserted into the receiving portion 4 by attaching it by such attachment means. Further, when the locking piece 53 is used, the receiving portions 4 are eliminated as shown in FIG.
The mounting portion 53a and the locking portion 53b of the locking piece 53 shown in FIG.
When the mounting portion 53a is mounted on the inner surfaces of the front cover 12 and the back cover 13 by providing a stepped portion 53c between and, the locking portion 53b projects outward with respect to the inner surfaces of the front cover 12 and the back cover 13. In this way, when the front cover 12 and the back cover 13 are closed, the locking portion 53b is locked by the standing wall 24 and the lock plate 2.
8 may be engaged with the engaging portion 52. Incidentally, also in the case of the embodiment of FIG. 6, the engaging portion 52 does not have to be formed in a concave shape as shown in FIG.

In the above embodiment, the front cover 12 and the back cover 13 are provided with the locking projections 52 or the locking pieces 53, and the standing wall 24 and the lock plate 28 are provided with the engaging portions 52. And, as shown in FIG. 8, it may be provided on the opposite side. In the embodiment shown in FIG. 7 and FIG. 8, the standing wall 24 and the lock plate 28 project outward from the end faces of the standing wall 24 and the lock plate 28 at the widthwise central portions at both ends in the length direction. The locking protrusions 52 are integrally provided, and engaging portions 52 that are recessed from the receiving end surface are provided at both ends of the front cover 12 and the back cover 13 in the length direction of the receiving portion 4,
When the front cover 12 and the back cover 13 are closed, the respective locking projections 51 and the engaging portions 52 are engaged with each other, and the front cover 12
Also, the back cover 13 is locked to the standing wall 24 and the lock plate 28. In this embodiment as well, locking pieces 53 as shown in FIG. 5 or 6 may be attached to the standing wall 24 and the lock plate 28.

Although the cover body 1 is made of synthetic resin in the above embodiments, the cover body 1 may be made of thick paper. In this case, mainly in FIG.
Alternatively, the locking piece 53 as shown in FIG. 6 is attached.

When the cover body 1 is provided with the receiving portion 4, the receiving portion 4 is formed in a concave shape as shown in FIGS. You may form by a notch. By doing so, when the front cover 12 and the back cover 13 are closed, the inner surfaces of the standing wall 24 and the lock plate 28 are flush with the inner surface positions of the front cover 12 and the back cover 13 as shown in FIG. Since they can be made flush with each other, the inner width H1 of the binding device 2 can be widened accordingly, and the binding amount with respect to the back width of the file can be further increased. Further, when the receiving portion 4 is formed by a notch, the receiving portion 6 extends on both widthwise ends of the spine heading 6 beyond the hinge portions 14 toward the front cover 12 and the back cover 13. It is preferable that the concealing portions 61, 61 for concealing the No. 4 are integrally provided. By doing so, the standing wall 24 and the lock plate 28 can be prevented from being exposed from the receiving portions 4 to the outer surface side of the cover body 1. Further, when the receiving portion 4 is formed by a notch, although not shown,
A pair of extension portions extending outwardly from both end edges of the receiving portion 4 along the inner surface of the spine cover 11 are integrally provided at both end portions in the length direction of the base plate 21 of the binding device 2, and these extension portions are provided. The portion may be attached to the inner surface of the spine cover 11 via the attachment pin 3. By doing so, it is possible to compensate for the decrease in strength of the spine cover 11 due to the notch receiving portion. When reinforcing the spine cover 11, a reinforcing plate may be attached to the spine cover 11.

[0028]

As described above, according to the invention described in claim 1, between the front cover 12 and the back cover 13 of the cover body 1 and the standing wall 24 and the lock plate 28, the front cover 12 and the back cover 13 are provided. Since the locking means 5 for locking the front cover 13 to the standing wall 24 and the lock plate 28 is provided, the front cover 12 and the back cover 13 are provided.
When folded in a folded shape, these front cover 12 and back cover 1
3 is locked to the standing wall 24 and the lock plate 28 of the binding device 2 fixed to the spine cover 11, so that the front cover 12 and the back cover 13 can be prevented from spreading due to the reaction force of the hinges 14. As a result, even when a folded closed file is placed upright on a desk or the like, the front cover 12 and the back cover 13 can be placed upright in parallel so that the appearance does not deteriorate, and the file is placed on the desk or the like. The time space can be reduced.

According to the second aspect of the present invention, the locking means 5 is formed by the locking piece 53 with which the end edge portions of the standing wall 24 and the lock plate 28 of the binding device 2 engage. Cover 12
Since it is attached to the inner surface of the back cover 13, the cover body 1
Also, the front cover 12 and the back cover 13 can be formed by simply attaching the locking pieces 53 without changing the structure of the binding device 2.
Can be prevented from spreading.

According to the third aspect of the invention, the front cover 12 and the back cover 13 receive the standing wall 24 and the lock plate 28 of the binding device 2, and the standing wall 24 and the lock plate 28 form the hinge portion 14. The receiving portion 4 to be positioned above is provided,
Since the locking means 5 is provided between the receiving portion 4 and the standing wall 24 and the lock plate 28, when the front cover 12 and the back cover 13 are closed, the outer side surface in the width direction of the binding device 2 is exposed. Since it can be positioned outside the inner surfaces of the front cover 12 and the back cover 13, the inner surface distance H1 between the upright wall 24 and the lock plate 28, that is, the inner width H1 of the binding device 2 can be widened accordingly. While the binding amount with respect to the back width of the file can be increased, the receiving means 4 can be used to form the locking means 5 without using a special locking piece, and the structure can be simplified accordingly.

[Brief description of drawings]

FIG. 1 is a partially omitted perspective view of a file of the present invention opened.

FIG. 2 is an exploded perspective view of only a main part.

FIG. 3 is an enlarged sectional view.

4 is a central cross-sectional view of FIG.

FIG. 5 is an exploded perspective view showing another embodiment.

FIG. 6 is an exploded perspective view showing still another embodiment.

FIG. 7 is an exploded perspective view showing another embodiment.

FIG. 8 is a partially omitted perspective view of the embodiment of FIG. 8 with a file opened.

FIG. 9 is an enlarged cross-sectional plan view showing another embodiment.

[Explanation of symbols]

 1 Cover Main Body 11 Back Cover 12 Front Cover 13 Back Cover 14 Hinge Part 2 Binding Device 22 Binding Rod 24 Standing Wall 28 Lock Plate 4 Receiving Part 6 Back Heading 61 Concealing Part

Claims (3)

[Claims] 1. A cover body (1) in which a front cover (12) and a back cover (13) are connected to a spine cover (11) via hinges (14) and (14) and a substrate (21). It comprises a standing wall (24) having binding rods (22) on both sides in the width direction and a binding device (2) provided with a lock plate (28) in an upright state. The binding device (2) is attached to the spine cover ( 11) a file attached to the front cover (12) and the back cover (13) between the standing wall (24) and the lock plate (28) of the binding device (2). Locking means for locking the front cover (12) and the back cover (13) to the standing wall (24) and the lock plate (28) of the binding device (2) when the front cover (12) and the back cover (13) are closed. A file characterized in that (5) is provided. 2. The locking means (5) is attached to the inner surfaces of the front cover (12) and the back cover (13), said front cover (12)
And a locking piece (53) which engages with the standing wall (24) of the binding device (2) and the edge of the lock plate (28) when the back cover (13) is closed. The file mentioned. 3. The front cover (12) and the back cover (13), when the front cover (12) and the back cover (13) are closed,
A receiving part (4) for receiving the standing wall (24) and the lock plate (28) of the binding device (2) and positioning the standing wall (24) and the lock plate (28) on the formation position of the hinge parts (14) (14). ) (4), and locking means (5) is provided between these receiving parts (4) (4) and the standing wall (24) and lock plate (28). .