JP3085218B2 - folder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a folder,
In particular, the present invention relates to a folder capable of easily engaging and disengaging a single member provided on a lid surface for opening and closing a document entrance.

[0002]

2. Description of the Related Art Hitherto, folders suitable for storing and storing drawings, films, and the like have been known. The most common folders are a front and back folder forming surface that forms a storage space for documents inside, a foldable lid surface connected to the back side folder forming surface, and a continuous connection at the tip of this lid surface And a tongue-shaped piece member that can be inserted into a slit-shaped insertion port provided in the folder forming surface on the front side.

[0003] However, in such a folder, since the insertion opening is formed in a slit shape only by the cut, there is a tendency that it is difficult to insert the one member. In addition, there is a disadvantage that the one-piece member and the slit region are easily damaged due to repeated repetition of forcible movement of the one-piece member into and out of the insertion port, and the durability is poor.

To solve this problem, Japanese Utility Model Laid-Open Publication No. 6-24973 proposes a folder which is designed to facilitate engagement and disengagement of a single member connected to a cover surface and to ensure durability. In this folder, a tongue-shaped piece member is continuously connected to a substantially central portion on the free end side of the lid surface, and a curved folding line extending into the lid surface from both ends of the piece member is provided. The part is provided with a finger hook. here,
The one-piece member is provided so as to be inserted into a slit provided in the folder forming surface on the front side. And, in the publication, by applying a force in a pulling direction in which the one member is pulled while the finger is held on the finger hook portion, the bending line is bent, and the one member is deformed into a concave shape, and it is possible to pull out from the slit. It is explained.

[0005]

However, in the folder described in Japanese Unexamined Utility Model Publication No. Hei 6-24973, it is very difficult to bend the broken line. It has been found that it is not possible to easily pull out or insert, and when a force is applied to the finger rest part, another problem that the finger rest area is broken occurs.

Accordingly, the present inventor has conducted intensive studies and found that the cause exists in the relative positional relationship between the broken line and the finger hook. It has also been found that there is a cause of tearing at the point where the force generated at the finger hook is concentrated on the finger hook.

[0007]

SUMMARY OF THE INVENTION It is an object of the present invention to overcome the technical problems found from various prototypes and to perform a unique operation to easily engage and disengage a member and an insertion port. It is an object of the present invention to provide a folder that enables the above-mentioned operations and, in turn, dramatically improves the durability.

Another object of the present invention is to improve the strength of the insertion area of the one-piece member formed in the folder forming surface on the front cover side and effectively avoid mutual interference between the stored document and the one-piece member. To provide a folder that:

[0009]

In order to achieve the above object, the present invention provides a front side and a back side folder forming surface forming a document storage space therein, and a front side folder forming surface which is connected to the back side folder forming surface. A folder provided with a lid surface folded back to the forming surface side and a member member provided on a free end side of the lid surface and capable of being inserted into an insertion opening in the front surface side folder forming surface; A first bent line extending in a curved or polygonal manner is formed in the lid surface so as to connect the left and right end bases, and a finger hooking portion is formed near one member which is separated by a predetermined distance from a substantially central portion of the first broken line. A straight line connecting the finger rest and the first broken line
At least one second polygonal line is formed . According to such a configuration, since the first bent line and the finger hook are separated from each other, if a force is applied to the finger hook in a direction to pull out the one member, the first bent line is bent by the force. Will work as follows. That is, since the folding position between the lid surface and the folder forming surface on the back side is at a fixed position, the surface in the region from the folding line to the one member is deformed in a concave shape with respect to the applied force. can do. Therefore,
The deformation when the finger is hooked on the finger hook and the one member is pulled out is caused without difficulty, and the one member can be easily put in and out of the insertion slot. Also, a second polygonal line is provided
By this, the area of the one member is concaved from the first polygonal line.
Is deformed, and the burden on the finger hook is excessive.
To reduce the risk of damage to the finger area
Can be.

[0010]

[0011]

In the folder, it is further preferable that a third polygonal line extending in a lateral direction is formed at a substantially middle portion of the one-piece member. According to this, the tip side of the one member can easily form a relatively flat posture with respect to the concavely deformed area, and the frictional resistance with the insertion port is reduced as much as possible, so that the one member can be smoothly put in and out. Will promote.

Further, the folder forming surface on the cover side is
A structure in which a certain area along the upper edge includes a reinforcing surface that is folded inward, and a part of the reinforcing surface is partially folded inward to form the insertion port is also adopted. Have been. According to such a configuration, the piece member comes to be inserted between the reinforcing surface and the insertion slot, and the possibility that the piece member enters between the stored documents can be suppressed, and interference with the documents can be avoided. It is also possible to prevent documents from being damaged.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a folder according to the present invention will be described below with reference to the drawings.

FIG. 1 is an overall plan view of a folder according to the embodiment, and FIG. 2 is an enlarged plan view of a main part thereof. FIG. 3 is an enlarged sectional view taken along line AA of FIG. In these figures, folder 10
The front and back folder forming surfaces 11 and 12 each having a substantially rectangular planar shape, a lid surface 14 connected to the back side folder forming surface 12 and folded back to the front side folder forming surface 11 side. And a piece member 15 formed in a substantially central region on the free end side of the lid surface 14.

The folder forming surface 11 on the front side includes connecting pieces 17 and 18 (see FIG. 3) which are folded back from both left and right edges and a lower end edge in FIG. 1, respectively. Are superimposed on the outer peripheral side of the folder forming surface 11 on the back side and connected by means such as bonding, thereby forming a substantially flat bag which is open at one end by the folder forming surfaces 11 and 12 on the front and back sides.

A pocket 20 is provided on the folder forming surface 11 on the front side. The pocket 20 is provided with three edges of a transparent film sheet having a rectangular planar shape bonded to each other so that an index paper or the like can be stored inside with one edge being an opening 21. Further, as shown in FIG. 4, a reinforcing surface 23 that is folded back on the inner surface side of the folder forming surface 11 is provided in a fixed area along the upper edge 11A of the folder forming surface 11 on the front side. An insertion port 25 is formed at a central portion of 23.

The insertion slot 25 is provided with a notch 26 in the center region of the upper edge 11A of the folder forming surface 11, and a notch 27 shorter than the vertical width of the reinforcing surface 23 is provided from both ends of the notch 26 downward. The area surrounded by the cuts 26 and 27 is formed by folding back the inner side of the folder forming surface 11. Therefore, this folded position, that is, a straight line position connecting the lower ends of the cuts 26A is formed as the insertion port 25, and the insertion port reinforcing surface 28 is formed inside the insertion port 25.

The lid surface 14 is formed by folding the upper part of the back side folder forming surface 12 having a larger vertical dimension than the front side folder forming surface 11 toward the front side folder forming surface 11 side. Have been. As shown in FIG. 1, a U-shaped cut 31 is formed at a base turning position 30 of the lid surface 14, and a heading piece 32 is provided to protrude outward. In addition, a finger hook 33 is formed by forming a U-shaped notch on the front end side of the central portion of the lid surface 14, that is, on the free end side.

As shown in FIG. 4, the piece member 15 is formed so as to protrude outside the free end 14A of the cover surface 14 by a predetermined amount. The piece member 15 is connected to the free end 14.
A, two right and left side edges 15A protruding in a direction substantially perpendicular to A
And the leading edge 15B, which connects the leading edges of these side edges 15A and is inclined so that the central portion is at the most protruding position.
And is formed in a horizontally long tongue piece shape having Here, a first bent line 35 that extends in a curved manner in the cover surface 14 is formed so as to connect the base portions 15C, 15C of the respective side edges 15A of the piece member 15 and the first bent line 3 is formed.
A second fold line 36 is formed on a line connecting the central portion of the first member 5 and the finger hook 33, and further, a side edge 15 of the one-piece member 15 is formed.
A third polygonal line 37 is formed on a line connecting the respective end portions of A.

Next, the operation of inserting and removing the piece member 15 from the insertion port 25 will be described with reference to FIGS.

First, in a state where the piece member 15 is not inserted into the insertion slot 25, as shown in FIG. 5, the free end 14A of the cover surface 14 and the piece member 15 are placed on the folder forming surface 11 on the front side. The appearance posture is such that they overlap.

Here, the one-piece member 15 is inserted into the insertion port 25.
6, as shown in FIG. 6, for example, the tip of the thumb is
Hook the remaining finger at the base turning position 30. When the thumb is drawn toward the other finger, the first bent line 35 is bent in the direction of mountain fold, and the second bent line 35 is bent in the direction of valley fold.

Next, as shown in FIG. 7, the tip of the piece member 15 is inserted into the insertion port 25. At this time, the inner surface side of the piece member 15 is guided by the surface of the reinforcing surface 23. As the insertion amount of the one-piece member 15 gradually increases, the third bend line 37 starts to be bent so as to be gradually bent into a valley. Therefore, the one-piece member 15 is inserted in a state where the insertion resistance is reduced with a relatively flat shape (see FIG. 8). Then, by releasing the finger in this state, as shown in FIG.
Completely enters the insertion port 25 and takes a flat posture together with the lid surface 14.

When the one-piece member 15 is completely inserted into the insertion slot 25, as shown in FIG.
Is located between the reinforcing surface 23 and the insertion-port reinforcing surface 28 on the inner side of the insertion port 25, and the piece member 15 is kept from entering between the stored documents.

The same procedure can be used to pull out the one-piece member 15 from the insertion port 25, and the piece member 15 can be pulled out through the reverse steps.

In the above embodiment, the first polygonal line 35
Although shown and described the case where is provided in the direction of curvature, the present invention is not limited to this, for example,
As shown in FIG. 10, a polygonal line 35 may be provided in a polygonal direction, and a plurality of second polygonal lines 36 connecting the polygonal line 35 and the finger hook 33 at a plurality of locations may be provided. With this, the same operation and effect as those of the above embodiment can be obtained.

[0027]

As described above, according to the present invention,
A first bent line extending in a curved or polygonal shape is formed in the cover surface so as to connect the left and right end bases of the one member, and a finger hook portion is provided near the one member at a predetermined distance from a substantially central portion of the first broken line. Is formed, the first polygonal line and the finger hooking portion are set at a relative position apart from each other, and when a force is applied in a direction in which a finger is hung on the finger hooking portion and the one member is extracted, the first polygonal line is formed. Bends like a mountain fold. Then, the surface of the region from the first broken line to the one member is deformed in a concave shape with respect to the applied force, so that the one member can be easily taken in and out.

Further, since the second broken line is formed so as to linearly connect the finger hook portion and the substantially central portion of the first broken line, it is possible to promote the deformation of the area of the one member from the first broken line into a concave shape. Thus, an excessive load is not applied only to the finger hook portion, and the cause of damage to the finger hook region can be avoided.

Further, according to the structure in which the third broken line extending in the lateral direction is formed at a substantially middle portion of the one-piece member, it becomes easy to form a relatively flat posture with respect to the concavely deformed region, and The sliding movement of the one member can be performed smoothly while reducing the frictional resistance of the one member.

Further, since the one-piece member is configured so as to be able to be inserted and removed between the insertion surface and the reinforcing surface located on the inner surface side of the folder forming surface on the front cover side, the one-piece member is inserted between the documents in which the one-piece member is stored. Also, it is possible to prevent the document from being damaged by avoiding interference with the document.

[Brief description of the drawings]

FIG. 1 is a front view of a folder according to an embodiment.

FIG. 2 is a schematic sectional view taken along line AA of FIG. 1;

FIG. 3 is an enlarged plan view of a main part of FIG. 1;

FIG. 4 is an enlarged plan view of a main part showing a state where a lid surface is opened.

FIG. 5 is an external perspective view of a main part showing a state in which the lid surface of the folder is positioned outside the insertion port and is superimposed.

FIG. 6 is a perspective view showing a stage before the one member is inserted into the insertion slot.

FIG. 7 is a perspective view showing an initial stage in which the one-piece member is inserted into an insertion slot.

FIG. 8 is a perspective view showing the next stage of FIG. 7;

FIG. 9 is a perspective view showing a state where the one member has been completely inserted into the insertion slot.

FIG. 10 is an enlarged plan view of a main part similar to FIG. 4, showing a modification of the embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 folder 11 front-side folder forming surface 12 back-side folder forming surface 14 lid surface 15 one-piece member 23 reinforcing surface 25 insertion port 33 finger hook 35 first polygonal line 36 second polygonal line 37 third polygonal line

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B42F 7/00 B65D 5/66 311 B65D 27/22

Claims (3)

(57) [Claims] 1. A front and back folder forming surface forming a document storage space therein, a lid surface connected to the back folder forming surface and turned back to the front folder forming surface, A folder provided on a free end side and insertable into an insertion slot in the front-side folder forming surface, wherein the cover is curved or connected to the left and right end bases of the one member. to form a first fold line extending multilateral, the forming a finger hook portion to the first piece member near a predetermined distance from the substantially central portion of the polygonal line, linearly connecting the finger grips and the first fold line at least
A folder, wherein one second polygonal line is formed . 2. A front and back cover forming a document storage space therein.
Folder forming surface and the back side folder forming surface.
Cover side folded back to the folder forming side on the front side
And a cover provided on the free end side of the
A single member that can be inserted into the insertion port in the
The right and left end bases of the one member
Curved or polygonally extending into the lid surface to connect the parts
Forming a first polygonal line, and the first polygonal line
Place the finger hook near one member at a predetermined distance from the approximate center of
Formed, the piece third full Oruda you and characterized by forming a line extending transversely to the substantially intermediate portion of the member. 3. A front and back cover forming a document storage space therein.
Folder forming surface and the back side folder forming surface.
Cover side folded back to the folder forming side on the front side
And a cover provided on the free end side of the
A single member that can be inserted into the insertion port in the
The right and left end bases of the one member
Curved or polygonally extending into the lid surface to connect the parts
Forming a first polygonal line, and the first polygonal line
Place the finger hook near one member at a predetermined distance from the approximate center of
The cover-side folder forming surface includes a reinforcing surface in which a predetermined area along the upper edge is folded inward, and a part of the cover-side folder forming surface in the reinforcing surface is partially formed. off Oruda it wherein spigot is folded inward is formed.