JPH0930178A - Binding metal fitting of file - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a binding metal fitting for a file which has a simple structure and is made in a lightweight structure equipped with a fixed rigidity and also used without thickening back width more than practical necessity for the filing width of a file form and besides produced at a low cost. SOLUTION: Binding fittings 3 are constituted of both a base member 4 formed into length nearly same as length L of the folding part 2 of a cover base material 1 and a plurality of retainment pawls 5 extended to the outside in the cross direction of the base member 4. The retainment pawls 5 are constituted of rising part 5a, horizontal parts 5b and tip retainment parts 5c. The rising parts 5a nearly vertically rise from one side edge in the longitudinal direction of the base member 4. The horizontal parts 5b are extended to the tips of the rising parts 5a in the outside in the cross direction of the base member 4. The tip retainment parts 5c are curved at prescribed curvature from the tips of the horizontal parts 5b toward the base member 4 side and the tips thereof are extended to the surface of the cover base material 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a binding metal fitting for a file having a large number of binding holes, and more specifically, it can be used for binding and removing general multi-hole files, notebooks, chart files, etc. with a simple structure. The present invention relates to a file binding metal fitting that is easy and can have a back width thinner than a binding width.

[0002]

2. Description of the Related Art Conventionally, in the case of binding a file sheet having a large number of binding holes, a notebook, a chart file, etc. with a binding fitting called a binder, for example, Japanese Utility Model Application No. 62-19.
As disclosed in Japanese Patent No. 3522 (Japanese Utility Model Laid-Open No. 1-97984), such as a microfilm, an opening / closing attached along a folding portion inside a flexible cover substrate made of a resin material or the like. A structure in which a large number of ring-shaped or C-shaped binding metal fittings are inserted through the binding holes formed in the file paper, respectively, and binding is made in Japanese Utility Model Application No. 63-415.
No. 47 (Japanese Utility Model Publication No. 1-145482) and Japanese Patent Application No. 62-99362 (Japanese Utility Model Publication No. 64-4).
No. 680), a metal fixed substrate is fixed along the folding portion inside the cover substrate, and the fixed substrate can be opened and closed via an elastic member such as a spring. There has been proposed a structure in which a binding hole of a file sheet is locked by such a locking claw.

However, in the case of the file using the former ring-shaped or C-shaped binding metal, the back width becomes wider than necessary with respect to the binding width of the file paper to be bound,
There is a problem that a large amount of space is required when storing a large number of files. Further, in the case of the latter binding metal fitting, there is a problem that the structure is complicated and expensive, and since it is made of a metal material, the weight becomes large and it is not necessary to bind a large number of file sheets. In some cases, since it is always configured with a uniform rigid structure, there is a problem that there are many things that weigh more than necessary and that the structure is complicated and there are many wasteful structures. there were.

[0004]

SUMMARY OF THE INVENTION The present invention has been devised in view of the above problems of the prior art, and can realize a lightweight structure having a constant rigidity with a simple structure, and
It can be used without making the back width unnecessarily thick compared to the binding width of file paper, can be manufactured at low cost, and is easy to bind and remove file paper, and provides a file binding metal fitting that is also advantageous for the storage space The purpose is to do.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides the above-mentioned inner surface of a flexible cover substrate which is foldable along a fold portion having a predetermined binding width. A binding metal fitting for a file, comprising binding metal fittings for detachably locking a plurality of binding holes of a file paper along the folding portion, the binding metal fitting being integrally fixed to the folding portion of the cover substrate. The base member and a plurality of locking claws that rise from one side edge in the longitudinal direction of the base member and extend to the outer side in the width direction of the base member,
The locking claw includes a horizontal portion extending outward in the width direction of the base member at a tip of a rising portion that rises substantially vertically from one side edge of the base member, and a horizontal portion extending from the tip of the horizontal portion toward the base member. The gist of the present invention is that it is curved and has a leading end locking portion whose leading end extends to the surface of the cover material.

[0006] The binding metal fitting is fixed to the folded portion of the cover sheet base material via the base sheet, and the tip locking portion of the locking claw of the binding metal fitting has a certain inclination angle so as to guide the file paper. It is also possible to form it toward the base metal fitting side.

The present invention is configured as described above, and when binding a file sheet, the file sheet is inserted between the cover sheet base material and the tip locking portion of the locking claw of the binding metal fitting,
The plural binding holes of the file paper are hooked on the locking claws of the binding metal fitting to lock the file paper while pulling, and then the file paper is swung while passing the horizontal part of the locking claws to the rising side of the base member. It is located in.

Further, when the file sheet is removed from the binding metal fitting, conversely to the above, the binding hole of the file sheet located on the base member side is lifted from the rising portion to the horizontal portion and swung to the tip end side of the locking claw. By opening the folded part of the cover base material, a gap is formed between the tip locking part of the locking claw and the cover base material, and the file paper can be taken out from this part. is there. in this way,
The file sheets can be bound and removed very easily, and the binding metal fittings are light in weight and have a simple structure, so that they are easy to handle and can be manufactured at low cost.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a perspective view of a binding metal fitting 3 attached along a folding portion 2 on an inner surface of a cover substrate 1, and H denotes a back width of the cover substrate 1 formed on the folding portion 2, The back cover H can be arbitrarily designed in advance when the cover substrate 1 is manufactured according to the size of the cover substrate 1, the type of the file paper W (for example, a notebook, a chart file, etc.) and the number of sheets to be stored. It is a thing.

As shown in FIGS. 1 and 2, the binding metal member 3 has a base member 4 formed to have substantially the same length as the length L of the folded portion 2 of the cover substrate 1, and the width of the base member 4. And a plurality of locking claws 5 extending outward in the direction (H in the figure). The length of the base member 4 is not limited to the substantially same length as the length L of the folded portion 2, and those having a small number of binding holes may be short.

The engaging claw 5 has a rising portion 5 that rises substantially vertically from one longitudinal edge 4a of the base member 4.
a, a horizontal portion 5b extending outward in the width direction of the base member 4 at the tip of the rising portion 5a, and a predetermined curvature (for example, formed on the file paper W from the tip of the horizontal portion 5b toward the base member 4 side). (Dimension slightly smaller than the diameter of the binding hole 6)
And a front end locking portion 5c whose front end extends to the surface of the cover substrate 1.

The width of the locking claw 5 is formed to be slightly smaller than the width of the binding hole 6 so that the binding hole 6 formed in the file paper W can be inserted therethrough. The length S of the front end locking portion 5c of the locking portion 5 extending to the near position on the surface is determined by the binding hole 6 of the inserted file paper W.
It is preferable to form the locking claw 5 to have a length substantially the same as the diameter of the binding hole 6 so that the locking claw 5 does not easily fall off the tip locking portion 5c of the locking portion 5.

FIG. 3 shows a modification of the front end locking portion 5c of the locking claw 5. In this modification, the front end locking portion 5c has a certain inclination angle so as to guide the file paper W when it is inserted. It is formed by α toward the base member 4 side. With this configuration, even if the side edge portion of the file sheet W provided with the binding holes 6 does not have rigidity, the cover sheet base material 1 and the binding metal fitting 3 are provided.
A gap Q is formed between the locking claw 5 and the tip locking portion 5c so that the locking claw 5 can be easily inserted.

Further, as shown in FIG. 4, when the binding metal fitting 3 is attached along the folding portion 2 on the inner surface of the cover material 1, the elastic force of resin or thin steel plate made of a material whose surface is slippery is applied. By fixing to the folding part 2 of the cover sheet base material 1 via the base sheet 7 having the file sheet W,
Can be smoothly performed, and an embossed protrusion 7a is provided near the tip locking portion 5c of the locking claw 5 of the base sheet 7 to elastically contact the tip locking portion 5c. With this configuration, the file paper W can be prevented from coming off or falling off, and the attachment portion of the binding metal member 3 of the cover material 1 can be reinforced.

Next, the binding and removing operations of the file paper W will be described. When the file paper W is bound, the space between the cover base material 1 and the leading end locking portion 5c of the locking claw 5 of the binding metal fitting 3 is described. Inserting the binding holes 6 of the file paper W while forming the gap Q in the space, and hooking the plurality of binding holes 6 of the file paper W on the locking claws 5 of the binding metal fitting 3, pulling the file paper W to a predetermined curvature. The inside of the curved front end locking portion 5c formed in 1. is locked, and then the file paper W is swung while passing through the horizontal portion 5b of the locking claw 5 to be positioned on the rising portion 5a side of the base member 4. Is. After the file paper W is inserted, the tip locking portion 5c of the locking claw 5 elastically adheres to the surface of the cover sheet base material 1 to prevent the file paper W from falling off. Then, as shown in FIG. 5, the file paper W can be accommodated by folding one of the cover sheet base materials 1 along the folding portion 2.

When the file paper W is removed from the binding fitting 3, the binding hole 6 of the file paper W located on the base member 4 side is lifted from the rising portion 5a to the horizontal portion 5b and swung, contrary to the above. Tip locking part 5 of locking claw 5
When the folding base 2 of the cover sheet base material 1 is opened at a position c, a wide gap is formed between the tip end locking portion 5c of the locking claw 5 and the cover sheet base material 1, and the binding of the file paper W is performed. It is possible to remove the hole 6 from the front end locking portion 5c of the locking claw 5 and take out the file paper W from this gap portion.

As described above, the file paper W can be bound and removed very easily, and since the binding metal fitting is lightweight and has a simple structure, it is easy to handle and inexpensive to manufacture. is there.

[00018]

As described above, according to the present invention, a file sheet is provided along the folding portion on the inner surface of a flexible cover substrate which is configured to be folded along the folding portion having a predetermined binding width as described above. A binding member for a file provided with a binding member for removably locking a plurality of binding holes, wherein the binding member is a base member integrally fixed to a folding portion of a cover substrate, and the base member. And a plurality of locking claws that rise from one side edge in the longitudinal direction of the base member and extend to the outer side in the width direction of the base member, and the locking claws rise from the one side edge of the base member substantially vertically. A horizontal portion that extends outward in the width direction of the base member, and a leading end locking portion that curves from the leading end of the horizontal portion toward the base member and that has the leading end extending to the surface of the cover substrate. It has a simple structure In addition to being able to have a lightweight structure with a certain degree of rigidity, it can be used without making the back width unnecessarily thick for the binding width of file paper, and it can be manufactured at a lower cost, and the binding and removal of files is easy. There is an effect that it can be used as a file binding metal fitting that is easy and advantageous for the storage space.

[Brief description of drawings]

FIG. 1 is a perspective view of a binding fitting embodying the present invention.

FIG. 2 is a partially enlarged perspective view of a binding metal member.

FIG. 3 is a side view showing a modified example of the front end locking portion of the locking claw.

FIG. 4 is a side view showing another embodiment in which the binding fittings are attached.

FIG. 5 is an explanatory diagram showing a method of binding file sheets.

[Explanation of symbols]

 1 Cover Base Material 2 Folding Part 3 Binding Metal Fitting 4 Base Member 4a One Side Edge of Base Member in the Longitudinal Direction 5 Engaging Claw 5a Rising Part 5b Horizontal Part 5c Tip Engaging Part 6 Binding Hole 7 Base Sheet W File Paper

Claims (3)

[Claims] 1. A plurality of binding holes for a file sheet can be attached to and detached from an inner surface of a flexible cover base material that can be folded along a folding portion having a predetermined binding width along the folding portion. A binding metal member for a file provided with a binding metal member to be locked to a base member, which is integrally fixed to a folding portion of a cover base material, and one side edge in a longitudinal direction of the base member. Standing up, composed of a plurality of locking claws extending outward in the width direction of the base member,
The locking claw includes a horizontal portion extending outward in the width direction of the base member at a tip of a rising portion that rises substantially vertically from one side edge of the base member, and a horizontal member extending from the tip of the horizontal portion toward the base member. A binding tool for a file, which is curved and has a leading end locking portion whose leading end extends to the surface of the cover substrate. 2. The file binding metal fitting according to claim 1, wherein the binding metal fitting is fixed to a folding portion of a cover base material via a base sheet. 3. The file binding metal fitting according to claim 1, wherein the locking claws of the binding metal fitting are formed toward the base member side at a constant inclination angle so as to guide the file paper. .