JP6777313B2 - Notebook and notebook cover - Google Patents

Description

The present invention relates to a notebook including a first booklet and a second booklet. The present invention also relates to a notebook cover for holding the first booklet and the second booklet.

When using a notebook, the two notebooks may be compared. In order to improve the convenience of such a usage state, for example, Patent Document 1 proposes a notebook configured to be able to hold two booklets in a spread state.

Jitsukaisho 60-8079

The notebook described in Patent Document 1 is configured such that the first booklet and the second booklet face each other in a closed state. In this case, when the notebook is opened, the first booklet and the second booklet are always lined up side by side. Therefore, even if it is desired to use only one of the first booklet and the second booklet, it is necessary to secure an area for two booklets as an area for opening the notebook.

An object of the present invention is to provide a notebook and a notebook cover that can effectively solve such a problem.

The present invention includes a first cover including a first left cover, a first spine and a first right cover, a second cover including a second left cover, a second spine and a second right cover, and the first cover. A first booklet that is attached to the surface of the cover and can be placed on the first cover in a spread state, and a second booklet that is attached to the surface of the second cover and can be placed on the second cover in a spread state. A connecting portion for rotatably connecting the first cover and the second cover is provided, and the connecting portion can realize a state in which the back surface of the first cover and the back surface of the second cover face each other. It is a notebook that is structured as follows.

In the notebook according to the present invention, the connecting portion has a first hinge portion that rotatably supports the first cover and a second hinge portion that rotatably supports the second cover. The width of the connecting portion may be 5 mm or more.

In the notebook according to the present invention, the first cover, the second cover, and the connecting portion constitute a notebook cover to which the first booklet and the second booklet can be attached and detached, and the first cover is the first cover. The second cover may have a first front insertion portion into which the cover of the booklet is inserted, and the second cover may have a second insertion portion on the front side into which the cover of the second booklet is inserted.

In the notebook according to the present invention, the connecting portion may connect the first right cover of the first cover and the second left cover of the second cover.

The notebook according to the present invention is a third booklet that can be arranged on the back surface of the first right cover of the first cover, on the back of the connecting portion, and on the back of the second left cover of the second cover in a spread state. May be further provided.

In the notebook according to the present invention, the connecting portion connects the first right cover of the first cover and the second right cover of the second cover, or the first left cover of the first cover. And the second left cover of the second cover may be connected.

When the connecting portion connects the first right cover of the first cover and the second right cover of the second cover, the notebook is in a spread state and the first right cover of the first cover. A third booklet that can be arranged on the back surface of the cover, the back surface of the connecting portion, and the back surface of the second right cover of the second cover may be further provided. When the connecting portion connects the first left cover of the first cover and the second left cover of the second cover, the notebook is in the spread state of the first cover of the first cover. A third booklet that can be arranged on the back surface of the left cover, the back surface of the connecting portion, and the back surface of the second left cover of the second cover may be further provided.

In the notebook according to the present invention, the first cover has a back side first insertion portion into which the front cover of the third booklet is inserted, and the second cover has a back side second insertion portion into which the cover of the third booklet is inserted. May have.

In the notebook according to the present invention, the first cover may have a first bookmark rotatably connected to the side of the first left cover or the side of the first right cover, or The second cover may have a second bookmark rotatably connected to the side of the second left cover or the side of the second right cover.

In the notebook according to the present invention, the first booklet includes a first management page that describes the schedule in the first time span, and the second booklet has a second time span different from the first time span. It may include a second management page that describes the schedule.

The present invention is a notebook cover for holding the first booklet and the second booklet, including the first left cover, the first spine cover, and the first right cover, and holds the first booklet in a spread state on the front side. A possible first cover, a second cover that includes a second left cover, a second spine, and a second right cover, and that can hold the second booklet in a spread state on the front side, the first cover and the first cover. A notebook including a connecting portion for rotatably connecting the two covers, and the connecting portion is configured to realize a state in which the back surface of the first cover and the back surface of the second cover face each other. Cover for.

In the notebook cover according to the present invention, the connecting portion has a first hinge portion that rotatably supports the first cover and a second hinge portion that rotatably supports the second cover. , The width of the connecting portion may be 5 mm or more.

In the notebook cover according to the present invention, the first cover has a front side first insertion portion into which the cover of the first booklet is inserted, and the second cover is a front side second into which the cover of the second booklet is inserted. It may have an insertion portion.

In the notebook cover according to the present invention, the connecting portion connects the first right cover of the first cover and the second left cover of the second cover, and the first cover is the first right. It is located on the back side of the front cover and has a first insertion portion on the back side into which the front cover of the third booklet is inserted. The second cover is located on the back side of the second left cover and the front cover of the third booklet is inserted. It may have a second insertion portion on the back side.

In the notebook cover according to the present invention, the connecting portion connects the first right cover of the first cover and the second right cover of the second cover, or the first cover of the first cover. The left cover and the second left cover of the second cover are connected, and the first cover is located on the back side of the first right cover or the back side of the first left cover of the third booklet. It has a first insertion portion on the back side into which the front cover is inserted, and the second cover is located on the back side of the second right cover or the back side of the second left cover, and the back side first into which the front cover of the third booklet is inserted. 2 It may have an insertion portion.

According to the present invention, the convenience of the notebook can be improved.

It is a top view which shows the case which the notebook which concerns on embodiment is seen from the surface side. It is a top view which shows the case which the notebook which concerns on embodiment is seen from the back surface side. It is sectional drawing which shows the notebook which concerns on embodiment. It is sectional drawing which shows the notebook in a closed state. It is a top view which shows the case which the notebook which concerns on the 1st modification is seen from the surface side. It is a top view which shows the case which the notebook which concerns on 1st modification is seen from the back surface side. It is sectional drawing which shows the notebook which concerns on the 2nd modification. It is sectional drawing which shows the notebook which concerns on the 3rd modification.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. It should be noted that the embodiments shown below are examples of embodiments of the present invention, and the present invention is not construed as being limited to these embodiments. Further, in the present specification, terms such as "right", "left", "front" and "back" are relative to each component when the notebook in the open state or the notebook cover is viewed from a predetermined direction. It only represents a typical positional relationship. For example, when the notebook is turned inside out or turned over, the left cover of the first booklet, which will be described later, may be located on the right side of the right cover when viewed from the user. Further, in the drawings referred to in the present embodiment, the same parts or parts having similar functions may be designated by the same reference numerals or similar reference numerals, and the repeated description thereof may be omitted. In addition, the dimensional ratio of the drawing may differ from the actual ratio for convenience of explanation, or a part of the configuration may be omitted from the drawing.

Notebook Hereinafter, the notebook 10 according to the present embodiment will be described. 1 and 2 are plan views showing the case where the notebook 10 is viewed from the front side and the back side, respectively. Further, FIG. 3 is a cross-sectional view showing the notebook 10. The notebook 10 includes at least a first booklet 20 and a second booklet 30, and a notebook cover 50 to which the first booklet 20 and the second booklet 30 can be attached and detached. The notebook 10 may further include a third booklet 40.

(1st booklet)
The first booklet 20 is a booklet in which a schedule can be described in the first time span. The first booklet 20 has a left cover 21, a spine 22, a right cover 23, and a main body 24 attached to the spine 22. The main body 24 has, for example, a plurality of pages including a first management page 24a for describing a monthly schedule. The first booklet 20 is located on the front surface side of the notebook 10.

(2nd booklet)
The second booklet 30 is a booklet in which the schedule can be described in a second time span different from the first time span. Like the first booklet 20, the second booklet 30 has a left cover 31, a spine 32, a right cover 33, and a main body 34 attached to the spine 32. The main body 34 has a plurality of pages including, for example, a second management page 34a for describing a weekly schedule. The second booklet 30 is located on the front surface side of the notebook 10 like the first booklet 20.

(3rd booklet)
Unlike the first booklet 20 and the second booklet 30, the third booklet 40 is located on the back surface side of the notebook 10 as shown in FIG. The matters described in the third booklet 40 are optional. Like the first booklet 20 and the second booklet 30, the third booklet 40 also has a left cover 41, a spine cover 42, and a right cover 43, and a main body portion 44 attached to the spine cover 42.

(Cover for notebook)
The notebook cover 50 holds the first booklet 20, the second booklet 30, and the third booklet 40. The notebook cover 50 includes a first cover 60, a second cover 70, and a connecting portion 80. Hereinafter, each component of the notebook cover 50 will be described.

[1st cover]
As shown in FIG. 1, the first cover 60 is configured to be able to hold the first booklet 20 in a spread state on the front surface side of the notebook 10. The first cover 60 includes a first left cover 61, a first spine cover 62, and a first right cover 63. The first left cover 61, the first spine 62, and the first right cover 63 hold the left cover 21, spine 22, and right cover 23 of the first booklet 20, respectively.

FIG. 3 is a cross-sectional view showing the notebook 10. As shown in FIGS. 1 and 3, the first cover 60 may have a pair of front side first insertion portions 64 into which the cover of the first booklet 20 is inserted. In the examples shown in FIGS. 1 and 3, the pair of front side first insertion portions 64 is provided on the surface 60a of the first left cover 61, and the front side first insertion portion 64 into which the left cover 21 of the first booklet 20 is inserted. It is provided on the surface 60a of the first right cover 63, and is composed of a front side first insertion portion 64 into which the right cover 23 of the first booklet 20 is inserted.

When the notebook 10 includes the third booklet 40, the first cover 60 may further have a back side first insertion portion 65 into which the cover of the third booklet 40 is inserted, as shown in FIGS. 2 and 3. .. In the present embodiment, the back side first insertion portion 65 is provided on the back surface 60b of the first right cover 63, and the left cover 41 of the third booklet 40 is inserted into the back side first insertion portion 65. As shown in FIG. 3, the third booklet 40 is on the back surface 60b of the first right cover 63 of the first cover 60, on the back surface of the connecting portion 80, and on the second left cover 71 of the second cover 70 in the spread state. It is arranged on the back surface 70b.

FIG. 4 is a cross-sectional view showing a notebook 10 in a closed state. As shown in FIGS. 1, 3 and 4, the first cover 60 may further have a first bookmark 66 rotatably connected to the side of the first left cover 61. As shown in FIG. 4, the first bookmark 66 is inserted into a desired page of the main body 24 of the first booklet 20.

[2nd cover]
As shown in FIG. 1, the second cover 70 is configured to be able to hold the second booklet 30 in a spread state on the front surface side of the notebook 10. The second cover 70 includes a second left cover 71, a second spine 72, and a second right cover 73. The second left cover 71, the second spine 72, and the second right cover 73 hold the left cover 31, spine 32, and right cover 33 of the second booklet 30, respectively.

As shown in FIGS. 1 and 3, the second cover 70 may have a pair of front side second insertion portions 74 into which the cover of the second booklet 30 is inserted. In the examples shown in FIGS. 1 and 3, the pair of front side second insertion portions 74 is provided on the surface 70a of the second left cover 71, and is provided with the front side second insertion portion 74 into which the left cover 31 of the second booklet 30 is inserted. A second insertion portion 74 on the front side, which is provided on the surface 70a of the second right cover 73 and into which the right cover 33 of the second booklet 30 is inserted.

When the notebook 10 includes the third booklet 40, the second cover 70 may further have a back side second insertion portion 75 into which the cover of the third booklet 40 is inserted, as shown in FIGS. 2 and 3. .. In the present embodiment, the back side second insertion portion 75 is provided on the back surface 70b of the second left front cover 71, and the right cover 43 of the third booklet 40 is inserted into the back side second insertion portion 75.

As shown in FIGS. 1, 3 and 4, the second cover 70 may further have a second bookmark 76 rotatably connected to the side of the second right cover 73. The second bookmark 76 is inserted into a desired page of the main body 34 of the second booklet 30, as shown in FIG.

[Connecting part]
The connecting portion 80 rotatably connects the first cover 60 and the second cover 70. In the present embodiment, the connecting portion 80 connects the first right cover 63 of the first cover 60 and the second left cover 71 of the second cover 70. For example, the connecting portion 80 has a second hinge portion 81 that rotatably supports the first right cover 63 of the first cover 60 and a second that rotatably supports the second left cover 71 of the second cover 70. It has a hinge portion 82 and. As shown in FIG. 3, for example, the first hinge portion 81 and the second hinge portion 82 include recesses formed in paper, resin, or the like constituting the notebook cover 50. In this case, the first cover 60 and the second cover 70 can be rotated with respect to the connecting portion 80 about the recess as an axis.

As shown in FIG. 4, the connecting portion 80 is configured to realize a state in which the back surface 60b of the first cover 60 and the back surface 70b of the second cover 70 face each other when the notebook 10 is closed. For example, as shown in FIG. 3, the recess of the first hinge portion 81 is formed on the surface 60a side of the first cover 60. Therefore, the first right cover 63 of the first cover 60 can be rotated to the back surface 60b side with respect to the connecting portion 80 about the first hinge portion 81. Similarly, the recess of the second hinge portion 82 is formed on the surface 70a side of the second cover 70. Therefore, the second left cover 71 of the second cover 70 can be rotated toward the back surface 70b with respect to the connecting portion 80 about the second hinge portion 82 as an axis. As a result, as shown in FIG. 4, when the notebook 10 is closed, the back surface 60b of the first right cover 63 of the first cover 60 and the back surface 70b of the second left cover 71 of the second cover 70 face each other. Can be realized. Therefore, an article such as the third booklet 40 can be accommodated between the back surface 60b of the first right cover 63 of the first cover 60 and the back surface 70b of the second left cover 71 of the second cover 70.

Further, by closing the notebook 10 so that the back surface 60b of the first right cover 63 of the first cover 60 and the back surface 70b of the second left cover 71 of the second cover 70 face each other, any of the three booklets can be used. It is possible to open one booklet while keeping the other two booklets closed. For example, the first booklet 20 can be opened while keeping the second booklet 30 and the third booklet 40 closed. In addition, the third booklet 40 can be opened while maintaining the closed state of the first booklet 20 and the second booklet 30. Therefore, the area required to open one booklet can be made smaller than that of Patent Document 1 described above.

In FIG. 1, reference numeral d represents the width of the connecting portion 80 (the distance between the first hinge portion 81 and the second hinge portion 82). The width d of the connecting portion 80 is set so that the third booklet 40 can be appropriately accommodated between the first right cover 63 and the second left cover 71, and is, for example, 5 mm or more.

Action of notebook The actions of the above-mentioned notebook 10 according to the present embodiment are summarized below.

As shown in FIG. 1, the notebook 10 includes a first booklet 20 that can be arranged on the first cover 60 in a spread state, and a second booklet 30 that can be arranged on the second cover 70 in a spread state. Therefore, the user can describe the schedule and the like in the booklet while comparing the two booklets.

Further, the connecting portion 80 that connects the first cover 60 and the second cover 70 is a back cover 60b of the first right cover 63 of the first cover 60 and a second left cover 71 of the second cover 70 when the notebook 10 is closed. It is configured so that the back surface 70b of the above can be faced with each other. Therefore, any one of the three booklets can be opened while the other two booklets remain closed. This makes it possible to reduce the area required to open one booklet.

Further, the notebook 10 is arranged on the back surface 60b of the first right cover 63 of the first cover 60, on the back surface of the connecting portion 80, and on the back surface 70b of the second left cover 71 of the second cover 70 in the spread state. It has a third booklet 40. By using the third booklet 40, more information can be managed more orderly.

It is possible to make various changes to the above-described embodiment. Hereinafter, a modified example will be described with reference to the drawings as necessary. In the following description and the drawings used in the following description, the same reference numerals as those used for the corresponding portions in the above-described embodiment will be used for the portions that can be configured in the same manner as in the above-described embodiment. Duplicate description is omitted. Further, when it is clear that the action and effect obtained in the above-described embodiment can be obtained in the modified example, the description thereof may be omitted.

(First modification)
In the above-described embodiment, an example is shown in which the connecting portion 80 connects the first right cover 63 of the first cover 60 and the second left cover 71 of the second cover 70. However, the arrangement of the connecting portion 80 is restricted as long as a part of the back surface 60b of the first cover 60 and a part of the back surface 70b of the second cover 70 can face each other when the notebook 10 is closed. There is no. 5 and 6 are plan views showing the case where the notebook 10 according to the first modification is viewed from the front side and the back side, respectively. In this modification, the connecting portion 80 of the notebook 10 has a first right cover 63 of the first cover 60 holding the first booklet 20 and a second right cover 73 of the second cover 70 holding the second booklet 30. It is connected.

As shown in FIG. 6, the notebook 10 is on the back surface 60b of the first right cover 63 of the first cover 60, on the back surface of the connecting portion 80, and on the back surface 70b of the second right cover 73 of the second cover 70 in the spread state. The third booklet 40, which can be arranged in, may be provided. The connecting portion 80 is configured to realize a state in which the back surface 60b of the first right cover 63 of the first cover 60 and the back surface 70b of the second right cover 73 of the second cover 70 face each other when the notebook 10 is closed. There is. Therefore, an article such as the third booklet 40 can be accommodated between the back surface 60b of the first right cover 63 of the first cover 60 and the back surface 70b of the second right cover 73 of the second cover 70.

Although not shown, the connecting portion 80 connects the first left cover 61 of the first cover 60 holding the first booklet 20 and the second left cover 71 of the second cover 70 holding the second booklet 30. You may. In this case, the notebook 10 can be arranged on the back surface 60b of the first left cover 61 of the first cover 60, on the back surface of the connecting portion 80, and on the back surface 70b of the second left cover 71 of the second cover 70 in the spread state. The third booklet 40 may be provided.

(Second modification)
In the above-described embodiment, an example is shown in which the first cover 60, the second cover 70, and the connecting portion 80 form a notebook cover 50 to which a booklet can be attached and detached. However, the present invention is not limited to this, and the main body of the booklet may be directly attached to the first cover 60, the second cover 70, the connecting portion 80, and the like. That is, the first cover 60, the second cover 70, and the connecting portion 80 do not have to form the notebook cover 50 to which the booklet can be attached and detached.

FIG. 7 is a cross-sectional view showing a notebook 10 according to the second modification. In this modification, the main body 24 of the first booklet 20 is directly attached to the surface 60a of the first spine 62 of the first cover 60. Similarly, the main body 34 of the second booklet 30 is directly attached to the surface 70a of the second spine 72 of the second cover 70, and the main body 44 of the third booklet 40 is the back surface of the connecting portion 80. It is attached directly to. The method of attaching the booklet is not particularly limited, and a method using an adhesive, a method using a ring, or the like can be appropriately adopted.

(Third variant)
In the above-described embodiment, an example is shown in which the connecting portion 80 includes two hinge portions, a first hinge portion 81 and a second hinge portion 82. However, as long as it is possible to realize a state in which the back surface 60b of the first right cover 63 of the first cover 60 and the back surface 70b of the second left cover 71 of the second cover 70 face each other when the notebook 10 is closed, they are connected. The specific configuration of the unit 80 is not particularly limited. For example, as shown in FIG. 8, the connecting portion 80 may be composed of one hinge portion including a recess or the like.

Although some modifications to the above-described embodiments have been described, it is naturally possible to apply a plurality of modifications in combination as appropriate.

10 Notebook 20 1st booklet 21 Left cover 22 Back cover 23 Right cover 24 Main body 24a 1st management page 30 2nd booklet 31 Left cover 32 Back cover 33 Right cover 34 Main body 34a 2nd management page 40 3rd booklet 41 Left Cover 42 Back cover 43 Right cover 44 Main body 50 Notebook cover 60 1st cover 60a Front 60b Back 61 1st left cover 62 1st spine 63 1st right cover 64 Front 1st insertion 65 Back side 1st insertion 66 1st bookmark 70 2nd cover 70a Front 70b Back 71 2nd left cover 72 2nd back cover 73 2nd right cover 74 Front side 2nd insertion part 75 Back side 2nd insertion part 76 2nd bookmark 80 Connecting part 81 1st hinge part 82 Second hinge

Claims (12)

The first cover including the first left cover, the first spine, and the first right cover,
A second cover including the second left cover, the second spine, and the second right cover,
A first booklet that is attached to the surface of the first cover and can be placed on the first cover in a spread state.
A second booklet that is attached to the surface of the second cover and can be placed on the second cover in a spread state.
A connecting portion for rotatably connecting the first cover and the second cover is provided.
The connecting portion is configured to realize a state in which the back surface of the first front cover and the back surface of the second cover face each other.
The connecting portion includes a first hinge portion that rotatably supports the first cover, and a second hinge portion that rotatably supports the second cover.
A notebook in which the width of the connecting portion is 5 mm or more . It ’s a notebook,
The first cover including the first left cover, the first spine, and the first right cover,
A second cover including the second left cover, the second spine, and the second right cover,
A first booklet that is attached to the surface of the first cover and can be placed on the first cover in a spread state.
A second booklet that is attached to the surface of the second cover and can be placed on the second cover in a spread state.
A connecting portion for rotatably connecting the first cover and the second cover is provided.
The connecting portion is configured to realize a state in which the back surface of the first front cover and the back surface of the second cover face each other.
The connecting portion connects the first right cover of the first cover and the second left cover of the second cover.
The notebook further includes a third booklet that can be arranged on the back surface of the first right cover of the first cover, on the back of the connecting portion, and on the back of the second left cover of the second cover in a spread state. Prepare, notebook. It ’s a notebook,
The first cover including the first left cover, the first spine, and the first right cover,
A second cover including the second left cover, the second spine, and the second right cover,
A first booklet that is attached to the surface of the first cover and can be placed on the first cover in a spread state.
A second booklet that is attached to the surface of the second cover and can be placed on the second cover in a spread state.
A connecting portion for rotatably connecting the first cover and the second cover is provided.
The connecting portion is configured to realize a state in which the back surface of the first front cover and the back surface of the second cover face each other.
The connecting portion connects the first right cover of the first cover and the second right cover of the second cover, or the first left cover and the second cover of the first cover. The second left cover is connected,
When the connecting portion connects the first right cover of the first cover and the second right cover of the second cover, the notebook is in a spread state and the first right cover of the first cover. A third booklet that can be placed on the back surface of the cover, the back surface of the connecting portion, and the back surface of the second right cover of the second cover is further provided.
When the connecting portion connects the first left cover of the first cover and the second left cover of the second cover, the notebook is in a spread state and the first left cover of the first cover. A notebook further comprising a third booklet that can be placed on the back surface of the connection, on the back surface of the connecting portion, and on the back surface of the second left cover of the second cover . The first cover has a first insertion portion on the back side into which the cover of the third booklet is inserted.
The notebook according to claim 2 or 3 , wherein the second cover has a second insertion portion on the back side into which the cover of the third booklet is inserted. The connecting portion includes a first hinge portion that rotatably supports the first cover, and a second hinge portion that rotatably supports the second cover.
The notebook according to any one of claims 2 to 4 , wherein the width of the connecting portion is 5 mm or more. The first cover, the second cover, and the connecting portion constitute a notebook cover to which the first booklet and the second booklet can be attached and detached.
The first cover has a front side first insertion portion into which the cover of the first booklet is inserted.
The notebook according to any one of claims 1 to 5 , wherein the second cover has a front side second insertion portion into which the cover of the second booklet is inserted. The first cover has or has a first bookmark rotatably connected to the side of the first left cover or the side of the first right cover.
The second cover according to any one of claims 1 to 6 , wherein the second cover has a second bookmark rotatably connected to a side portion of the second left cover or a side portion of the second right cover. Notebook. The first booklet includes a first management page that describes the schedule in the first time span.
The notebook according to any one of claims 1 to 7 , wherein the second booklet includes a second management page for describing a schedule in a second time span different from the first time span. A notebook cover that holds the first and second booklets.
A first cover that includes a first left cover, a first spine cover, and a first right cover, and can hold the first booklet in a spread state on the front side.
A second cover that includes a second left cover, a second spine, and a second right cover, and can hold the second booklet in a spread state on the front side.
A connecting portion for rotatably connecting the first cover and the second cover is provided.
The connecting portion is configured to realize a state in which the back surface of the first front cover and the back surface of the second cover face each other.
The connecting portion includes a first hinge portion that rotatably supports the first cover, and a second hinge portion that rotatably supports the second cover.
A notebook cover having a width of 5 mm or more of the connecting portion . A notebook cover that holds the first and second booklets.
A first cover that includes a first left cover, a first spine cover, and a first right cover, and can hold the first booklet in a spread state on the front side.
A second cover that includes a second left cover, a second spine, and a second right cover, and can hold the second booklet in a spread state on the front side.
A connecting portion for rotatably connecting the first cover and the second cover is provided.
The connecting portion is configured to realize a state in which the back surface of the first front cover and the back surface of the second cover face each other.
The connecting portion connects the first right cover of the first cover and the second left cover of the second cover.
The first cover is located on the back side of the first right cover and has a first insertion portion on the back side into which the cover of the third booklet is inserted.
The second cover is a notebook cover located on the back side of the second left cover and having a second insertion portion on the back side into which the cover of the third booklet is inserted . A notebook cover that holds the first and second booklets.
A first cover that includes a first left cover, a first spine cover, and a first right cover, and can hold the first booklet in a spread state on the front side.
A second cover that includes a second left cover, a second spine, and a second right cover, and can hold the second booklet in a spread state on the front side.
A connecting portion for rotatably connecting the first cover and the second cover is provided.
The connecting portion is configured to realize a state in which the back surface of the first front cover and the back surface of the second cover face each other.
The connecting portion connects the first right cover of the first cover and the second right cover of the second cover, or the first left cover and the second cover of the first cover. The second left cover is connected,
The first cover is located on the back side of the first right cover or the back side of the first left cover, and has a first insertion portion on the back side into which the front cover of the third booklet is inserted.
The second cover is a notebook cover that is located on the back side of the second right cover or the back side of the second left cover and has a second insertion portion on the back side into which the front cover of the third booklet is inserted . The first cover has a front side first insertion portion into which the cover of the first booklet is inserted.
The notebook cover according to any one of claims 9 to 11 , wherein the second cover has a front side second insertion portion into which the cover of the second booklet is inserted.

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