JPH03394Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a document case for storing and preserving documents.

When organizing a large number of documents, document cases consisting of an inner box and an outer box have recently been used instead of conventional document binders. This item is formed by storing documents in a shallow box-shaped inner box with a folded top plate, and then fitting a rectangular cylindrical outer box with openings on the front and back sides into this inner box. Many of them are stored upright on storage shelves with the outer box opening surface where the front plate is exposed as the top surface. When taking out stored documents or replenishing documents, the required document case is pulled out from the storage shelf, held horizontally, and the inner box is pulled out from the outer box.

In the above-mentioned document case, if the inner box is dimensioned closely to the opening surface of the outer box, it will take time and effort to insert the inner box into the outer box, which is impractical, so the inner box is usually placed inside the outer box. This means that when you pull out the required document case from the storage shelf or bring the entire document case onto the desk, the inner box may slip out of the outer box and the documents may become scattered. There were other inconveniences.

In contrast, this invention has a structure in which the operation of fitting the inner box to the outer box is extremely easy, and the inner box does not escape unnecessarily after fitting.
To explain the embodiment of this invention with reference to drawings, Fig. 2 is a plan view of the base paper on which the inner box is to be assembled, and shows a rectangular shape cut out of a cardboard of the required thickness whose surface has been waxed or resin-treated. , a folding top plate 2 divided by fold lines and having left and right folded edges 1, 1, a front plate 4 with hand holes 3 at appropriate locations, and left and right folded edges 5, 5.
It also has a bottom plate with folding pieces 6 arranged in front and behind the left and right folding edges 5, 5, and a back plate 9 which has left and right folding plates 8, 8 and has a trapezoidal shape with the lower side cut obliquely. , a folded top plate 11 having left and right folded edges 10, 10 is sequentially connected, and then this base paper is folded along each fold line to form a front plate 4 and a back plate 9 on the front and back of the bottom plate 7.
is set upright, and after folding the left and right folding plates 8, 8 of the back plate 9 inward, left and right folding edges 1, 10, 1,
10 are stacked one on top of the other to form an inner box A as shown in FIG. Note that 12 is a display line indicating the position where the label is to be pasted.

Next, Figure 3 shows the base paper for the outer box, and the side plate 1 is made of cardboard with waxed and resin-treated surfaces.
3. Top plate 14, side plate 15, bottom plate 16, glued piece 17
Then, this base paper is formed into a rectangular tube shape via a glued piece 17 to form an outer box B in FIG.
This outer box B is made to a size that allows the inner box A to fit tightly thereinto, and is erected on a storage shelf with one side plate 13 as the front surface and the opening surface as the upper and lower surfaces, as described above. Note that 18 indicates a display line for attaching a label.

This device has the above-mentioned structure, and after storing the required documents in the inner box A either as they are or as a single book via the binding tool 19 shown in FIG.
This inner box A is used by fitting into the outer box B, and as mentioned above, the left and right folding plates 8, 8 that are connected to the back plate 9 of the inner box A have two upper and lower sides that are connected to the back plate 9. Since it is formed into a trapezoidal shape that intersects at a right angle and an acute angle with respect to the boundary line between the inner box A and the outer box B, as shown in FIG. The back plate 9 can be tilted slightly forward as shown in FIG. When pulling out from the outer box B, the folding top plate 11 is in contact with the inner surface of the top plate 14 of the outer box B, so the force of pulling out acts to hold the back plate 9 vertically, and the back plate 9 Since the inner box A cannot be tilted backward, the inner box A is held with sufficient pressure, and a certain amount of force is required to pull it out.

As described above, this invention prevents disadvantages due to the accidental escape of the inner box A by checking the handle hole 3, and furthermore, both the inner box A and the outer box B are made of one piece of cardboard, and when not in use, they are flat. It has many advantages, such as being able to be stacked in layers.

[Brief explanation of drawings]

Figure 1 is an overall perspective view with the inner box pulled out, Figure 2 is a plan view of the base paper for the inner box, Figure 3 is a plan view of the base paper for the outer box, and Figure 4 A and B are views with the inner box removed. It is a sectional side view showing the principal part when fitting into a box. Codes in the figure, 1, 5, 10 are left and right folded edges, 2, 1
1 is a folding top plate, 3 is a hand hole, 4 is a front plate, 6 is a folding piece, 7 is a bottom plate, 8 is a left and right folding plate, 9 is a back plate,
A indicates the inner box, and B indicates the outer box.

Claims (1)

[Scope of utility model registration request] A sheet of cardboard is divided and a folded top plate 2, a front plate 4 having a handle hole 3, a bottom plate 7, a back plate 9, and a folded top plate 11 are sequentially provided from one end, and the folded top plate 2, 11 has left and right folded edges 1 and 10, the bottom plate 7 has a left and right folded edge 5 having a folded piece 6 on the front edge, and the back plate 9 has two upper and lower sides that are at a right angle and an acute angle with respect to the boundary line with the back plate 9, respectively. An inner box A made up of intersecting trapezoidal right and left folding plates 8 arranged in series is closely fitted into an outer box 2 made of a single thick plate connected at both edges to form a rectangular cylinder. document case.