JPS6113321Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to the improvement of book covers, holders, etc. that are used to cover the covers of books and notebooks, and to hold paper sheets such as drawings and forms (hereinafter referred to as notebooks, etc.). .

Various configurations have been proposed for these types of covers and holders.

In Utility Model Publication No. 35-11326, the two sides of the front plate overlaid on one side of the hardboard are made into hardboard and pasted in a 〓 shape.
A document organizing bag was proposed in which a rectangular notch was provided on the non-adhesive side of the front plate, and the corresponding space on the cardboard was used as a heading entry column. A notebook cover was proposed in which a bag was welded to form a bag, and a lid was cut into the back surface near the center. A photographic cover has been proposed in which a glue layer is applied to the back side of an extended flat bag at its periphery leaving at least a portion corresponding to the folding tongue, and the first well-known technique is further improved. Japanese Utility Model Publication No. 56-4328 discloses a front sheet having a back surface portion of a predetermined width at the center of a rectangular sheet, and surface portions of the same shape on the left and right sides of the back surface portion, and the upper sides of each of the left and right surface portions. a low trapezoidal folded lid sheet adhered to the front side member, and a back side sheet that is approximately the same in shape as the left and right surfaces of the front side member and slightly smaller in size; A holder for cards, documents, etc. has been proposed in which the left side and lower side are bonded together on the left surface side, and the right side and bottom side on the right side are bonded in a square shape and a square shape, respectively.

Each of these well-known technologies has its own advantages, but the common disadvantage is that the bag portion is smaller than the left and right sides of the front plate, making it difficult to put it over the cover of a notebook, etc. I couldn't do the work quickly.

In view of these circumstances, the inventor of this invention conducted research and
As a result of repeated trial production, when covering the cover of notebooks,
We learned that if it were possible to deform the bag to a greater extent than its original shape when loading and unloading the bag, making the volume larger than its original shape, and returning it to its original shape after the work was completed, the work could be done more quickly. Obtained.

The present invention was completed based on this knowledge, and includes bendable left and right back protruding pieces that protrude from the front plate on the upper part of the left and right back plates, which are larger than the left and right side parts of the rectangular front plate, and left and right front protruding pieces. are formed respectively, and notches are formed on both sides of the fold line, and the left and right back plates are stacked on the left and right sides, and the left back plate has an L-shaped edge, and the right back plate has an inverted L-shaped edge. and the upper sides of the left and right front protruding pieces are fixed to the upper sides of the front plate, and the front plate and the left and right back plates constitute left and right bag parts larger than the left and right side parts,
When putting it on the cover of a notebook, etc., or putting it in or taking it out, fold up the overlapping left and right protruding pieces that are folded down on the left and right back plates, make them protrude upward from the top edge of the front plate, and then close the left and right bags. By deforming the section to a greater extent than the original shape and increasing the volume, the work can be done quickly without damaging the notebooks, and after the work is completed, it is folded up and the left and right front and back protruding pieces that were protruding from the top side of the front plate are returned to their original positions. The left and right bag parts are folded back to their original shape, and at the same time, the large volume is reduced, so there is no risk of notebooks falling off easily. constitute the left and right insertion parts,
The object of the present invention is to provide an improved book cover that is easy to use and allows for the insertion and removal of desired strip-shaped display pieces and strip-shaped sign pieces such as bookmarks, name tags, headings, etc.

To explain the embodiment with reference to the drawings, a rectangular table plate 1 is molded from a transparent or opaque thermoplastic soft synthetic resin sheet (for example, a transparent or opaque vinyl chloride resin sheet), and the short side is formed at the center of the long side. A back surface portion 104 having a predetermined width is formed over the entire width in the direction, and left and right surface portions 101 and 102 of the same shape and size are formed on both left and right sides of the back surface portion, and are used in a horizontally elongated manner.

The left and right back plates 2 and 3 are made of the same material and the same effect as the front plate 1, and are formed into a rectangle larger than the left and right side parts 101 and 102, and are provided with fold lines A and B at appropriate intervals from the upper sides of the short sides, respectively. Left and right back protruding pieces 201, 301 are formed above each of these fold lines, and these back protruding pieces are made to protrude upward from the upper side 103 of the front plate 1,
The left and right front protruding pieces 20 are made bendable and can be bent further above each of the back protruding pieces.
2, 302 are formed, and these front protruding pieces are made to protrude upward from the upper side 103 of the front plate 1, and the fold lines A, 302 are formed.
Left and right back protruding pieces 201 and 301 are sequentially disposed above B, and left and right front protruding pieces 202 and 302 are disposed above the back protruding piece. When forming the left and right back plates 2 and 3,
Left and right front and back protruding pieces 201, 202, 301, 302
Of the front and back protruding pieces, only the left and right front protruding pieces 202, 302 are separately molded into a predetermined rectangle using the same quality and same effect material, and one of the long sides thereof is made to protrude from the left and right back. The forming means can be arbitrarily selected, such as fixing it to the upper side of the pieces 201 and 301 (the edge portion on the opposite side to the fold line side). Notches 20 on both sides of the fold lines A and B on the left and right back plates 2 and 3
3, 203, 303, 303, and is configured so that it can be opened wide during use, and can be used quickly with less risk of damaging notebooks and the like.
The left and right back plates 2 and 3 are arranged so that the left and right sides of the long sides are aligned with the left and right sides of the short side of the horizontally arranged front plate 1, respectively, and overlapped on the left and right side parts 101 and 102 of one side, respectively. In version 2, the left table protruding piece 202
The upper side is fixed to the upper side of the back plate arrangement side of the front plate 1, and the left side and the lower side are fixed to the corresponding side of the front plate 1 in an L-shape.
The upper side of 2 is fixed to the upper side of the back plate placement surface of the front plate 1, and the right side and the lower side are fixed to the corresponding side of the front plate 1 in an inverted L shape. ,5
are configured respectively. The upper sides of the left and right back plates 2 and 3 (more specifically, the upper sides of the left and right front protruding pieces 202 and 302) are fixed to the upper sides of the side surfaces of the front plate 1 on which the back plate is disposed. When the cover of the back plate is inserted and the left and right back plates 2 and 3 swell or become tense, the left and right back protruding pieces 201 and 301 are pulled and are automatically folded down along fold lines A and B on the upper side of the back plate itself. This is to make it happen. Therefore, if the upper side of the front plate 1 and the upper sides of the left and right back plates 2, 3 are fixedly configured as described above, the left and right back protruding pieces 201, 301 will automatically fold down during use, and there will be no need to take the trouble of folding the lid sheet. Compared to the above-mentioned well-known technology, which required the user to defeat the device, it saves time and effort, is easier to use, and is convenient because it can quickly cover the cover of a notebook, etc., and take it in and out. The left and right bags 4 and 5 are formed by fixing the edges of the left and right back plates 2 and 3 to the edges of the front plate 1 in an L-shape and an inverted L-shape, respectively.
01, 102 and the left and right back plates 2, 3, and the left and right side parts 101 are formed by the bag portion formed by the overlapping left and right front and back protruding pieces 201, 202, 301, 302 formed on the upper side of each back plate. . Configure it so that you can do the work quickly. The left and right front and back protruding pieces 201, 202, 301, 302 constituting the left and right bag portions 4, 5 are stacked on top of each other, and are attached to the upper surface of the left and right back plates 2, 3 themselves using the fold lines A, B and the parts that are attached to the front plate 1. By folding the bag portion formed by the front and back protruding pieces, the bag portion formed by the front and back protruding pieces is transformed into a horizontally long rectangle to form left and right insertion portions 6 and 7, respectively, into which a strip-shaped display piece 8 such as a bookmark, name tag, or heading is inserted and extracted. The left and right insertion portions 6 and 7 have left and right protruding pieces 201,
202, 301, 302 are folded and protruded upward from the upper side of the front plate 1 to form a bag portion, and when the above operation is completed, the left and right front and back protruding pieces 201, 202, 3
01, 302 when folded down onto the upper surface of the left and right back plates 2, 3 themselves, constitute an insertion portion into which the strip-shaped display piece 8 can be inserted and removed.

This invention forms left and right side parts on both left and right sides of one side of a rectangular front plate, and forms left and right back protruding pieces on the upper side of the left and right back plates, which are formed into a rectangle larger than the left and right side parts, via a fold line, and on both sides of the fold line. A notch is formed in the left and right back protrusions, bendable left and right front protrusions are formed above the left and right back protrusions, the left and right back plates are stacked on the left and right side parts,
For the left back plate side, the left and bottom edges are fixed in an L-shape, and for the right back plate, the right and bottom edges are fixed in an inverted L shape, and the upper sides of the left and right protruding pieces are attached to the front plate. It is fixed to the upper side, and the front plate and the left and right back plates form left and right bag parts that are larger than the left and right side parts, and left and right insertion parts are formed by the left and right front and back protruding pieces on the upper part of these left and right bag parts. When working to cover the cover of a notebook, etc., or when putting it in and out, fold up the overlapping left and right front and back protruding pieces that have fallen over on the left and right back plates, and make them protrude upward from the top edge of the front plate. By greatly deforming the bag, increasing its volume, and simultaneously picking up the left and right back plates, the right edge of the left back plate,
The left edge of the right back plate can be left wide open, reducing the risk of damaging notebooks, etc., and allowing the above work to be completed quickly. The left and right back plates folded down onto the upper surface of themselves, the left and right bags returned to their original shapes, and the volume became smaller. At the same time, the right edge piece of the left back plate, which had been wide open, and the left edge piece of the right back plate, respectively. When closed, the cover of the notebook is held in the left and right bags without fear of damage or falling off, and the left and right front and back protruding pieces are connected to the left and right back plates themselves, and these protruding pieces overlap. Due to this,
It has the advantage of being able to hold even thick covers of notebooks and large amounts of documents without worrying about them being damaged or falling off.

In addition, appropriate strip-shaped display pieces and strip-shaped sign pieces such as bookmarks, headings, name tags, etc. can be inserted into and removed from the insertion portions formed in the upper parts of the left and right bags, and when using notebooks, etc. Not only is it extremely convenient, it also eliminates the risk of losing the display pieces and signage pieces, and when working on covering the cover of notebooks or putting them in and out, the insertion part can be removed from the bag. We provide an improved product that is easy to use, with the convenience of being able to be used as a bag part, and the insertion part can function as a bag part, and has two functions in addition to its own function. can.

Therefore, the intended purpose can be achieved.

[Brief explanation of the drawing]

Figure 1 is an open perspective view of the book cover of the present invention, showing the form in which the left bag has been greatly deformed, and Figure 2 is a perspective view of the book cover of the present invention.
(2) - (2) A sectional view taken along the line, Fig. 3 is an explanatory view of how to use it, and Fig. 4 is a partially cutaway perspective view of the state of use. In the figure, 1... rectangular front plate, 101... left side part,
102...Right side part, 103...Top side of front plate, 2...
...Left back plate, 201...Left back protruding piece, 202...Left front protruding piece, 3...Right back plate, 301...Right back protruding piece, 302...Right front protruding piece, 4...Left bag portion , 5...
...Right bag portion, 6...Left insertion portion, 7...Right insertion portion.

Claims (1)

[Scope of utility model registration request] Left and right side parts are formed on both the left and right sides of one side of a rectangular front plate, and left and right back protruding pieces are formed on the upper side of the left and right back plates, which are formed into a rectangle larger than the left and right side parts, via a fold line, and notches are formed on both sides of the fold line. Form a bendable left and right front protruding piece on the upper side of the left and right back protruding pieces, stack the left and right back plates on the left and right side parts, the left back plate side has a left side, the lower edge part is L-shaped, On the right back plate side, the edges of the right side and bottom side are fixed in an inverted L shape, and the upper sides of the left and right front protruding pieces are fixed to the upper side of the front plate, and the front plate and left and right back plates are larger than the left and right side parts. A book cover comprising left and right bag parts, and left and right insertion parts formed by left and right front and back protruding pieces on the upper parts of the left and right bag parts.