Folding clear file
The foldable clear file design, combining two connected clear files with leaf springs, addresses stability and flattening challenges by enhancing independent standing stability and enabling easy flattening for storage or document insertion.
Patent Information
- Application Number
- JP2025044121
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2045-02-28
AI Technical Summary
Existing clear files struggle to maintain stability when standing independently and often become bent or obstructive when attempting to flatten for storage or document insertion.
A foldable clear file design that combines two clear files of the same size, connected at their ends to form a three-dimensional shape with enhanced stability, and equipped with leaf springs that can deform from a semi-circular to a linear shape for easy flattening.
The design enhances stability when standing independently while allowing easy deformation into a flat shape without removing components, addressing the issues of bending and obstructions in existing clear files.
Smart Images

Figure 0007696524000001_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a foldable clear file for storing documents and the like.
Background Art
[0002] A clear file is used so that documents and the like do not get dirty or bent. A common way to store a clear file is often to lean it against a bookshelf or sandwich it between books so that it does not fall over.
[0003] Here, consider the case where documents are put in a clear file and stored by leaning it against a bookshelf. At this time, it is very rare that the clear file can be leaned against the bookshelf while maintaining a flat state without being bent. In many cases, the edge of the clear file is bent, and the documents inside are also bent. To solve this problem, a clip-type binder is described in Patent Document 1 that can hold magazines, files, documents, etc., deform into a three-dimensional shape, and stand on a desk or table. More specifically, Patent Document 1 discloses a clip-type binder in which a spring is bent into a semicircular shape to provide a space for inserting and holding magazines, files, documents, etc., and is folded back into a semicircular shape. The folded tip is formed into a shape that is bent outward and opened to facilitate the insertion of magazines, files, documents, etc.
Prior Art Documents
Patent Documents
[0004]
Patent Document 1
[0005] However, the clip-type binder described in Patent Document 1 needs to be removed when taking out documents from the middle or when storing it sandwiched between books. Also, Patent Document 1 is semi-circular, and since the clip-type binder is attached only to the center of the clear file, it cannot be said that it can stand stably.
[0006] Here, consider why the clip-type binder in Patent Document 1 is removable. This is because the clip-type binder is useful when trying to stand up the clear file, but it becomes an obstacle when sandwiching the clear file between books or putting it in a bag.
[0007] Therefore, an object of the present invention is to provide a foldable clear file that enhances the stability when standing on its own by combining two clear files, and can be easily deformed into a flat shape without removing the components when the three-dimensional shape for standing on its own becomes an obstacle. Means for Solving the Problems
[0008] The foldable clear file of the present invention comprises a first clear file and a second clear file formed by overlapping two clear files of the same size, at least one end of the first clear file and the second clear file is connected so that a three-dimensional shape is formed, the center of gravity of the three-dimensional body surrounded by the first clear file and the second clear file is projected onto a plane including the lower sides of the first clear file and the second clear file, and the center of gravity projected onto the plane is inside the region surrounded by the lower sides of the first clear file and the second clear file.
[0009] Also, the foldable clear file of the present invention comprises a first clear file and a second clear file formed by overlapping two clear files of the same size, and four leaf springs. The first clear file and the second clear file are connected at their left and right ends respectively, and they can be deformed so that they are combined into a cylindrical shape. The leaf springs are attached to the upper and lower ends inside the first clear file and the second clear file respectively. The shape of these leaf springs before deformation is semi-circular, and they can be deformed into a linear shape by applying a force in a direction perpendicular to the straight line connecting the ends of the leaf springs.
[0010] In addition, the foldable clear file of the present invention A first clear file and a second clear file formed by overlapping two clear files of the same size, and a bottom surface portion One end of the first clear file and the second clear file is connected, and they can be deformed so that they are combined into a triangular prism shape. The shape of the bottom surface portion before deformation is square, and it can be deformed to be folded by applying a force in a direction substantially horizontal to the first clear file and the second clear file. Effects of the Invention
[0011] According to the present invention, by combining two clear files, the stability when standing independently can be enhanced, and when the three-dimensional shape for standing independently becomes an obstacle, it can be easily deformed into a planar shape without removing the components.
Brief Description of the Drawings
[0012]
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Mode for Carrying Out the Invention
[0013] The embodiments of the present invention will be described in detail below. However, the description of the constituent elements described below is an example (representative example) of the embodiments of the present invention, and the present invention is not limited to the following content unless the gist thereof is changed. For components having the same function, the same reference numerals are given in the drawings, and detailed description thereof is omitted.
[0014] (1. About the overall configuration) First, the overall configuration of the foldable clear file according to the embodiment of the present invention will be described. As shown in FIG. 1, the foldable clear file 1 includes a first clear file 11, a second clear file 12, and four leaf springs 21, 22, 23, 24. Also, as shown in FIG. 1, the leaf springs 21, 22, 23, 24 are attached to the upper and lower ends inside the first clear file 11 and the second clear file 12, which are cylindrical.
[0015] The first clear file 11 and the second clear file 12 are clear files made of commonly used plastic materials, and the leaf springs 21, 22, 23, 24 will be described as stainless steel leaf springs. Of course, both the first clear file 11 and the second clear file 12, and the leaf springs 21, 22, 23, 24 can adopt appropriate materials according to the purpose of use. Also, the sizes of the first clear file 11 and the second clear file 12 can adopt appropriate sizes according to the purpose of use, such as A4 or B5.
[0016] In this embodiment, the first clear file 11 and the second clear file 12 are connected at the vertical part on the binding side, and at the vertical part of the opening, they are connected by the inner surfaces of the cylinders. The leaf springs 21, 22, 23, 24 are attached to the upper and lower ends inside the first clear file 11 and the second clear file 12 which have become cylindrical respectively. As shown in FIG. 2, the leaf spring 21 and the leaf spring 22, and the leaf spring 23 and the leaf spring 24 are connected respectively, and the connection parts thereof coincide with the connection part of the first clear file 11 and the second clear file 12.
[0017] In this embodiment, as shown in FIGS. 1 and 2, the shape of the folding clear file 1 is cylindrical. However, since the intention of the present invention lies in the fact that the folding clear file 1 can stand on its own, the part surrounded by the upper sides of the first clear file 11 and the second clear file 12, the part surrounded by the lower sides of the first clear file 11 and the second clear file 12, the first clear file 11, and the center of gravity of the solid surrounded by the second clear file 12 are projected onto the plane including the lower side of the first clear file 11 and the second clear file 12, and it is sufficient that the point is inside the area surrounded by the lower side of the first clear file 11 and the second clear file 12. Therefore, the shape of the folding clear file 1 may be any shape as long as it satisfies the condition.
[0018] (2. How to use the folding clear file) Next, with further reference to FIGS. 3 to 5, how to use the prototype of the folding clear file 1 shown in FIG. 3 will be described.
[0019] First, when storing documents in the folding clear file 1, as shown in FIG. 5, a force is applied from the outside of the cylindrical folding clear file 1 in the direction in which the first clear file 11 and the second clear file 12 become planar shapes, and the folding clear file 1 is flattened. By doing so, it becomes easier to put the documents into the folding clear file 1 than when the folding clear file 1 is three-dimensional.
[0020] After storing documents in the foldable clear file 1, if you want to make the foldable clear file 1 stand on its own, by relaxing the applied force, the foldable clear file 1 becomes three-dimensional and can stand on its own as shown in Figure 4.
[0021] Also, when you want to store the foldable clear file 1 by sandwiching it between books or putting it in a bag, you can tidy it up by sandwiching it between books or putting it in a bag while applying force.
[0022] (3. Regarding the shapes derived from this embodiment) Since the intention of the present invention is that the foldable clear file 1 stands on its own, the part surrounded by the upper sides of the first clear file 11 and the clear file 12, the part surrounded by the lower sides of the first clear file 11 and the second clear file 12, the first clear file 11, and the center of gravity of the three-dimensional surrounded by the second clear file 12 are projected onto a plane including the lower sides of the first clear file 11 and the second clear file 12, and it is sufficient that the point is inside the region surrounded by the lower sides of the first clear file 11 and the second clear file 12. Therefore, the shape of the foldable clear file 1 may be any shape as long as it satisfies that condition. Therefore, an example of different shapes derived from this embodiment will be described.
[0023] Figures 6 and 7 show a foldable clear file 2 which is another embodiment of the present invention. As shown in Figures 6 and 7, the foldable clear file 2 connects the first clear file 11 and the second clear file 12 by connecting the horizontal parts of the openings, and attaches a bottom surface part 31 between the horizontal parts on the binding side of the first clear file 11 and the second clear file 12.
[0024] The first clear file 11 and the second clear file 12 are clear files made of commonly used plastic materials. The joint part 31 will be described as the same plastic material as the first clear file 11 and the second clear file 12. Of course, appropriate materials can be adopted for both the first clear file 11 and the second clear file 12, and the bottom part 31 according to the purpose of use. In particular, since the bottom part 31 is an important part for making the folding clear file 2 stand on its own, a hard material is appropriate. Also, the sizes of the first clear file 11 and the second clear file 12 can be adopted as appropriate sizes according to the purpose of use, such as A4 or B5.
[0025] As shown in FIG. 7, the bottom part 31 is foldable, and its state can be changed depending on whether the folding clear file 2 is to be made to stand on its own or when it is desired to be sandwiched between books or put into a bag for storage.
[0026] When it is desired to make the folding clear file 2 stand on its own only, by expanding the bottom part 31, the folding clear file 2 becomes three-dimensional and can be made to stand as shown in FIG. 6.
[0027] Also, when it is desired to sandwich the folding clear file 2 between books or put it into a bag for storage, by folding the bottom part 31, it can be sandwiched between books or put into a bag.
[0028] As described above, the foldable clear files 1 and 2 are the portions surrounded by the upper sides of the first clear file 11 and the second clear file 12, the portions surrounded by the lower sides of the first clear file 11 and the second clear file 12, the first clear file 11, and the center of gravity of the solid surrounded by the first clear file 11 and the second clear file 12 is projected onto a plane including the lower sides of the first clear file 11 and the second clear file 12, and it is sufficient that the point is inside the region surrounded by the lower sides of the first clear file 11 and the second clear file 12. Therefore, the shape of the foldable clear file of the present invention may be any shape as long as it satisfies the condition, and thus can be appropriately designed and changed without changing the gist of the invention.
Industrial Applicability
[0029] The present invention is industrially useful because by combining two clear files, the stability when standing on its own is enhanced, and when the three-dimensional shape for standing on its own becomes an obstacle, it can be easily deformed into a planar shape without removing the parts.
Explanation of Reference Numerals
[0030] 1,2 Foldable clear file 11 First clear file 12 Second clear file 21,22,23,24 Leaf spring 31 Bottom surface portion
Claims
1. The storage device includes a first clear file and a second clear file, which are two clear files of the same size stacked on top of each other; At least one end of the first clear file and the second clear file are connected to each other so as to form a three-dimensional shape; The center of gravity of the solid body surrounded by the first clear file and the second clear file is projected onto a plane including the bottom sides of the first clear file and the second clear file, and the center of gravity projected onto the plane is within the area surrounded by the bottom sides of the first clear file and the second clear file. Foldable clear file.
2. The device includes a first clear file and a second clear file, which are two clear files of the same size stacked on top of each other, and four leaf springs. The first clear file and the second clear file are connected at their left and right ends, respectively, and are deformable so that they can be combined to form a cylindrical shape; The leaf springs are attached to the upper and lower ends of the inside of the first clear file and the second clear file, respectively, and the leaf springs have a semicircular shape before deformation and can be deformed into a linear shape by applying a force in a direction perpendicular to a straight line connecting the ends of the leaf springs. Foldable clear file.
3. The file storage device includes a first clear file and a second clear file, which are two clear files of the same size stacked on top of each other, and a bottom portion; The first clear file and the second clear file are connected at one end and can be deformed to form a triangular prism shape when combined, The bottom portion has a rectangular shape before deformation, and can be deformed so as to be folded by applying a force in a substantially horizontal direction to the first clear file and the second clear file. Foldable clear file.
Citation Information
Patent Citations
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clamshell file
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