JPH0345833Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a binder consisting of a closing fitting for binding paper sheets using binding holes drilled in the paper sheets, and a cover for attaching these closing fittings. The binder is made smaller by allowing the cover to be folded between these binding fittings while the sheets are bound.

[Prior art and its problems] There is a binder for binding paper sheets using binding holes drilled in the sheets, for example, one for binding computer paper, which is constructed as shown in Fig. 5. There is something.

This is a device in which computer paper is bound using perforations made in the computer paper, and a set of paper sheets is attached along the spine 3 on the inner surface of the cover 9 of the binder near the spine 3. Binding metal fittings 2, 2 are arranged.

The binding fitting 2 is composed of a fixed plate 22 and a swinging plate 21 that are connected like a hinge, and the rotating part is biased in the direction of opening the swinging plate 21 and the fixed plate 22. A spring 29 is interposed therebetween. Further, a fixing column 24 is bored in the fixing plate 22, and an engagement recess 28 is formed in the top surface of the fixing column 24. A swinging hook 25 is attached to the other swinging plate 21 and is swingably supported by a bearing 26, and the engagement recess 28 on the top surface of the fixed column 24 is attached to the tip surface of the swinging hook 25. An engaging protrusion 27 that fits into and engages is provided.

When binding paper D, rotate the swing plate 21 so as to lift it slightly upwards, and press the swing hook 2.
5's engagement protrusion 27 and the engagement recess 28 of the fixed column 24
Release the engagement state with. Further, the swinging hooks 25, 25 are rotated backward, and these swinging hooks 2
5 and 25, tilt them backwards as shown by the chain lines in the figure.

Next, as shown by the imaginary lines in the same figure, the holes A, A of the paper D are fitted onto the fixed columns 24, 24, and the swinging hooks 25, 25, which have been knocked down, are swung up to swing. When the hooks 25, 25 and the ends of the fixed columns 24, 24 are brought back into engagement with each other, the sheets D group are bound into the binder.

However, the conventional binder described above has a problem in that the binder as a whole becomes large in size.

This is because the size of the binder when the cover is closed cannot be set to be smaller than the size of the spread paper D, and the binder as a whole becomes larger.

[Technical Problem] The present invention is a binder in which sheets D are bound by inserting a pair of binding metal fittings 2, 2 provided on the cover 9 into binding holes drilled in the sheets D. In order to reduce the size of the binder, the object is to make the binder foldable in half while keeping the sheets D bound.

[Technical Means] The technical means of the present invention for solving the above problem is as follows.
The base 6 has a concave groove 62 formed on its lower surface to run in the short side direction of
An upwardly open U-shaped swinging arm 7 into which the swinging arm 7 is loosely inserted, and an inverted U-shaped connecting rod 8 fitted onto both ends of the swinging arm 7 are provided. and the connecting rod 8 constitute a binding metal fitting 2, and the pair of binding metal fittings 2, 2 are arranged at a constant interval along one long side of the cover 9, and the binding metal fittings 2 on the cover 9 are arranged at regular intervals. , 2 with a spine section formed in the center.

[Operation] The operation of the above-mentioned technical means will be explained according to the paper stapling operation.

The connecting rods 8 fitted onto both ends of the swinging arms 7 constituting the binding fittings 2 are removed, and thereby the binding holes of the paper D are inserted from above into the upwardly open U-shaped swinging arms 7. Thereafter, the connecting rods 8 are again fitted onto both ends of the swinging arm 7, and the binding operation is performed separately on the pair of binding fittings 2, 2, so that the sheets D are bound to the cover 9. Further, the swinging arm 7 of the binding fitting 2 that holds the paper D has its bottom side 71 aligned with the base 6.
The binding fittings 2, 2 are loosely inserted into the groove 62 on the lower surface of the cover 9, and the groove 62 runs in the short side direction of the cover 9, so the binding fittings 2, 2 move toward and away from each other while holding the paper D. It becomes possible to swing and move in the direction.

Next, the binder with the sheets D bound therein is folded in two and closed at the spine portion located between the binding fittings 2, 2.

When the binder is closed, the bound paper group D is in a stacked state and has a certain thickness. Ivy distance (inner distance)
Then, a difference occurs in the distance measured along the outer surface of the paper group D (outer distance). Therefore, when the binder is closed, the tabs on both sides of the binding fittings 2, 2 in the group of sheets D are not aligned straight, and each sheet D is slightly shifted and the tabs become slanted.

Then, the swinging arm 7 that constitutes the binding fittings 2, 2,
Since the arms 7 can swing in the directions toward and away from each other as described above, the swing arms 7 naturally incline following the inclination of the ears.

Furthermore, when the binder is closed, the inner surface of the cover 9, which is folded in half, presses the trapped paper group D and tries to move it toward the binding fittings 2, 2.

However, according to the above technical means, since the bottom side 71 of the swinging arm 7 is loosely inserted into the groove 62 of the base 6, the swinging arm 7 moves in the direction of the pressing force. .

In this manner, when the binder is folded in half, the swinging arms 7 of the binding fittings 2, 2, etc. swing and move to accurately follow the deformation of the edges of the paper group D.

[effect] The present invention has the following unique effects.

The binder can be folded in half with the paper D still bound, so the size of the closed binder is half the size of the bound paper.
It can be made smaller compared to the conventional type described above, which is formed to the same size as the paper to be bound.

When the binder is bound, the edges of the binding fittings 2, 2 in the paper group D are not aligned and the edges tend to be inclined, but according to the above technical means, the binding fittings 2, 2 are Since the cover 9 is made to be able to slide and swing in the long side direction, the binding fittings 2, 2 can accurately follow the deformation of the edges of the paper group D, thereby preventing the paper D from waving. This can be held easily.

JP-A-60-168697 discloses a binder in which the binding holes of stacked sheets of paper group D are aligned vertically and a U-shaped holding fitting is inserted and fixed into the binding holes from above. There is. However, in this case, since the U-shaped holding fitting is inserted from above into the binding hole of the group of papers D stacked on the cover 9, the paper D is divided into small pieces and inserted into the holding fitting. Therefore, it is difficult to perform the binding operation because it is necessary to bind a large number of sheets D group at once using the holding fittings. In contrast, in the present invention, the upwardly open U-shaped swinging arm 7 has
Since the binding holes of the paper D can be sequentially extrapolated from above and bound little by little, the binding operation can be easily performed.

A long hole is cut parallel to the upper side of the cover 9, and an annular binding fitting 2 is loosely engaged with the long hole over the upper side of the cover 9.
60-96497), but in this one,
The elongated hole portion of the cover 9 gradually becomes fatigued and deformed due to relative sliding with the binding fittings 2, and is easily damaged. In contrast, in the present invention, the bottom side 71 of the swinging arm 7 is loosely inserted into the groove 62 formed on the lower surface of the base 6,
Since this allows the swinging arm 7 to move, the swinging arm 7 does not rub strongly against the cover 9, thereby reducing the inconvenience of damage to the cover 9.

[Example] Next, an example of the present invention described above will be described in detail with reference to the drawings.

FIG. 1 shows a binder according to an embodiment of the present invention.
In this case, a pair of binding metal fittings 2, 2 are disposed on the upper inner surfaces of the front cover 1 and the back cover 4 in the vicinity of their swinging ends.

As shown in the figure, the binding fitting 2 includes a base 6, a swinging arm 7 swingably attached to the base 6, and a connecting rod disposed at the tip of the swinging arm 7. It consists of 8.

The base 6 is fixed to the cover 9 with studs 61, and a groove 62 extending vertically is cut in the bottom surface of the base 6.

On the other hand, the swing arm 7 is a thin metal rod bent into a U-shape, and its base 71 fits loosely into the groove 62 of the base 6 so that it can swing.

Finally, the connecting rod 8 is formed of a pipe having an inner diameter larger than the shaft diameter of the swinging arm 7, and is bent into an inverted U-shape as a whole.

When binding the sheets D, first, the connecting rods 8, 8 are removed from the swing arms 7, 7.

Next, as shown by the imaginary line in the figure, among the holes A, A drilled in the side of the paper D, the holes A, A located at the top are connected to the lower sides 72, 7 of the swinging arms 7, 7. 72, and the connecting rods 8, 8 are again fitted onto the swing arms 7, 7.

Then, as shown in FIG. 2, the sheets D group are held by the binding fittings 2, 2 and are bound together.

Next, when the binder is folded, as shown in FIG. At the same time, the tips of the swinging arms 7, 7 also swing toward the free end of the binder.

Therefore, both the sheets D bound at the bottom of the group of sheets D and the sheets D bound on the front side are bound in the binder without waviness.

Further, as shown in FIG. 4, if an L-shaped receiving piece 80 is provided at the lower part of the spine 3 of the binder, the bound paper group D can be placed on the upper part of the receiving piece 80. It will be in the standstill state. Therefore, even when the paper group D is bound and the binder is placed on a bookshelf or the like, the inconvenience of the bound document group D shifting within the binder can be prevented.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the embodiment of the present invention, Fig. 2 is a side view of the binding fitting 2 arrangement section, Fig. 3 is an explanatory view of the operation, Fig. 4 is an explanatory view when the receiving piece 19 is provided, FIG. 5 is an explanatory diagram of a conventional example, and in the figure, 1...Front cover, 2...Binding fittings, 3...Spine cover, 4...Back cover, 9...Cover.

Claims (1)

[Scope of utility model registration request] In a binder in which sheets D are bound by inserting a pair of binding metal fittings 2, 2 provided on the cover 9 into binding holes drilled in the sheets D, a pair of binding metal fittings 2, 2 arranged on the cover 9 are inserted in a predetermined manner along the long sides of the cover 9. Bases 6, 6 arranged at intervals,
A U-shaped swinging arm 7 held between a concave groove 62 formed on the back surface of the base 6 and the cover 9, and a connecting rod 8 fitted onto both ends of the swinging arm 7 The binding fittings 2, 2 are configured by setting the direction in which the concave groove 62 on the back surface of the base 6 runs in the direction of the short side of the cover 9, and
A binder with a spine formed in the center of the binding fittings 2, 2.