CN1286667C - Filing appliance - Google Patents

Abstract

To exactly maintain a once adjusted effective width of a spine by preventing the spine from coming out. An elastic body 100 for checking the relative movement of the spine 3 toward the direction of coming out of the surface cover 1 under the state that a cover body A is closed is provided.

Description

File

Technical field

The present invention relates to alternatively to sandwich page class, the file that the effective width of Jiaji is variable.

Background technology

In the file that the page class alternatively can be sandwiched, the file that the effective width that people have considered Jiaji can change corresponding to the quantity of the page class that is sandwiched.

This file, has the bark pocket body that constitutes by folder face, the folder end and Jiaji, above-mentioned folder face or at least one side at the folder end are made the bag shape that can insert above-mentioned Jiaji, make the effective width of Jiaji change ridge width that can be suitable corresponding to its insertion depth according to the adjustment of bookbinding amount.

Summary of the invention

Yet, if with respect to the inside dimension of the side's bark pocket that forms the bag shape, the outside dimension that is inserted into Jiaji wherein is set at closely cooperates, then under the state of closed bark pocket body, can guarantee taking in of Jiaji, can prevent that Jiaji from unexpectedly extracting and situation about relaxing from bark pocket.But, if like this,, being absorbed in the state of not complying with one's wishes easily so insert to twitch because with respect to the bark pocket that forms the bag shape, the trail drag force of inserting when taking out Jiaji increases, difficulty is more on the operability.

On the other hand, if with respect to the side's bark pocket that forms the bag shape, it is smaller that the outside dimension that is inserted into the Jiaji in the bark pocket is set ground, then forms the bark pocket of bag shape relatively, and the operation of inserting when taking out Jiaji can become easy.But on the contrary, taking in of Jiaji becomes indefinite state during closed bark pocket, and the part of Jiaji is unexpectedly extracted and relaxed from bark pocket easily, becomes to cause damaging outward appearance, damages the main cause of independence when erecting etc.

For example, this file, though constituting folder face, the folder end and the Jiaji of bark pocket body is all formed by the paper making all the time, but in order to improve durability or to prevent stainedly, pursue under the situation with its possibility that is formed from a resin, can be contemplated to because the characteristic of resin, Jiaji slides good, extract easily, and because Lower Half is weak, thereby insert to take out and operate the fault that mostly occurs.

Therefore, from these viewpoints, considered for certain receiving state of taking into account Jiaji when the closed bark pocket body state and when opening the bark pocket body inserting easily of Jiaji take out the exceedingly useful file of operability.

In order to achieve the above object, the present invention has adopted following proposal.

Promptly, the file that the present invention relates to, be to have the bark pocket body that constitutes by folder face, the folder end and Jiaji, and above-mentioned folder face or at least one side at the folder end are made the bag shape that can insert above-mentioned Jiaji, and the file that the effective width of this Jiaji is variable, it is characterized in that its part is provided with under the state of closed bark pocket body, suppress the restraining device that Jiaji relatively moves to the direction of extracting from side's bark pocket.

If this formation, in case after Jiaji is adjusted into suitable effective width, if closed bark pocket body, owing to would suppress the pull-off action of Jiaji by restraining device, damage outward appearance, the independence in the time of also can guaranteeing effectively to erect so can prevent unexpectedly lax grade of tension of Jiaji.And, because this effect, be set under the state that the bark pocket body is opened at the outside dimension of the inside dimension that for example will press from both sides face and Jiaji and can slowly insert the size relationship of taking out Jiaji, or under the situation of implementing the easy embossing processing of sliding on the necessary place of bark pocket body, also can bring into play, therefore, under the state that the bark pocket body is opened, trail drag force when inserting the operation of taking out Jiaji with respect to the side's bark pocket that forms the bag shape reduces, even under the situation that Jiaji is formed by relatively more soft materials such as resins, also can successfully carry out the adjustment of the effective width of Jiaji.Certainly, the rough sledding that unexpectedly contacts for hand and Jiaji is pulled out is also effective.

As a specific embodiments of restraining device, can enumerate the elastomer of Jiaji being introduced the external force of direction in this bark pocket that applies between side's bark pocket that forms the bag shape and Jiaji.

In this case, hinder the reducing of adding of page class, preferably on the position before Jiaji is extracted from the side's bark pocket that forms the bag shape, opposing is set from elastomeric external force and make the Jiaji card end fastener on side's bark pocket in order not make elastomer.

In addition,, can enumerate between side's bark pocket that forms the bag shape and Jiaji as other specific embodiments of restraining device, corresponding with a plurality of effective widths of Jiaji, the holding section that this Jiaji and above-mentioned side's bark pocket are engaged interimly.

As the simple formation of this holding section, can enumerate by being arranged at the projection on the side's bark pocket that forms the bag shape and being arranged at recess on the correspondence position of Jiaji or holding section that hole portion constitutes.

This projection, in order to reach function effectively, and do not become Jiaji and insert obstruction when taking out, preferably be located in as the holding section, the position that when opening the bark pocket body, can not engage with recess or hole portion, when closed bark pocket body can with position that recess or hole portion engage on.

As just the engaging spacing being set at smaller scheme with simple formation, can enumerate the holding section by set concavo-convex continuous rib on the side's bark pocket that forms the bag shape, constitute with the concavo-convex continuous rib on the correspondence position of being located at Jiaji, can change phase place along concavo-convex continuous direction interimly and make between the rib and engage.

Above-mentioned embodiment in addition as suppressing portion, can enumerate Jiaji and insert the parts of index with bag for externally being formed with between material and the internal material, suppressing portion is the broken line of being located on this index, this broken line has been given the function that bends and keep this bending state when the bark pocket body is closed.

Perhaps, can enumerate Jiaji and insert the parts of index with bag for being formed with between material externally and the internal material, suppressing portion is the broken line of being located on its internal material, the function that this broken line has been given when the bark pocket body is closed bending and articulated with the edge part of bark pocket.

In addition, identical with above-mentioned basic structure, replace restraining device, be arranged under the state of closed bark pocket body on its part, the formation that is used to revise the correcting device that Jiaji relatively moves to the direction of extracting from side's bark pocket wherein also is effective.

A specific embodiments as correcting device, can enumerate the window portion on the part that is arranged at the side's bark pocket that forms the bag shape, the part of the Jiaji of insertion is exposed by this window portion, can be applied the formation of the external force of in this side bark pocket, introducing to this Jiaji.

The present invention owing to be above formation, therefore can become very suitable the constituting of file that folder face, the folder end and the Jiaji that constitutes the bark pocket body formed by resin.

The present invention is owing to be formation discussed above, can suppress the pull-off of Jiaji by restraining device, can keep definitely in case the effective width of adjusted Jiaji, therefore, can provide a kind of following to add the Jiaji width adjustment that subtracts the page class and carry out smoothly, easy to use, can remain on neat outward appearance such as do not relax on the Jiaji, stand in when bookshelf etc. is gone up and do not scatter the file that fitly to arrange.

Description of drawings

Fig. 1 is the summary decomposition diagram of the file of expression embodiment of the present invention.

Fig. 2 is the assembling view of the file of this embodiment.

Fig. 3 is the plane of the outer flooring of the expression folder face that constitutes this embodiment file.

Fig. 4 is the plane of the interior flooring of the expression folder face that constitutes this embodiment file.

Fig. 5 is the perspective view of the folder face of this embodiment file of expression.

Fig. 6 is the plane of the Jiaji of this embodiment file of expression.

Fig. 7 be the expression this embodiment file folder at the bottom of plane.

Fig. 8 is that expression is with the perspective view of Jiaji welding at the state at the file folder end of this embodiment.

Fig. 9 is the ideograph of expression the present invention the 1st embodiment.

Figure 10 is the ideograph of expression the present invention the 2nd embodiment.

Figure 11 is the ideograph of expression the present invention the 3rd embodiment.

Figure 12 is the ideograph of expression the present invention the 4th embodiment.

Figure 13 is the ideograph of expression the present invention the 5th embodiment.

Symbol description

A bark pocket body

1 folder face

3 Jiajis

The 4 folder ends

100 restraining devices (elastomer)

200 restraining devices (fastener)

300 restraining devices (holding section)

400 restraining devices (holding section)

500 correcting devices (window portion)

The specific embodiment

Below, with reference to accompanying drawing several embodiments of the present invention are described.

At first, the summary of file is described, then characterization part respectively in each embodiment.

Summary

At first, the summary of file F, respectively as shown in the assembling view of the decomposition diagram of Fig. 1, Fig. 2, by folder face 1, the pressing plate portion 2 that forms elongated plate-like that is located at folder face 1 one ends, Jiaji 3, the folder end 4 be located on the bark pocket body A that the baseplate part that forms elongated plate-like 5 of the folder end one end constitutes, set up bookbinding pin 6 and constitute the shape that is along the longitudinal extension of aforesaid substrate portion 5, and make the bookbinding pin 6 slotting card bookbinding pin fasteners 7 only of wearing.

Bookbinding pin 6 as shown in Figure 1, extends bookbinding script body 61 from base end part 62 and forms.In addition, as shown in Figure 1, on baseplate part 5, be provided with and a pair ofly bookbinding pin 6 inserted wear and blocked the installing hole 5a that ends, will bind script body 61 1 insertion break-through from this installing hole 5a towards the folder face.

Bookbinding pin fastener 7 as shown in Figures 1 and 2, is set in the above-mentioned pressing plate portion 2, has the not shown card of use and ends the function that button fixes above-mentioned bookbinding pin 6.In addition, in above-mentioned pressing plate portion 2, be provided with and be used to make above-mentioned bookbinding pin 6 to insert the bookbinding pin patchhole 2a of break-through, have again, in above-mentioned bookbinding pin fastener 7, be provided with the not shown bookbinding pin patchhole that overlaps with this bookbinding pin patchhole 2a.In addition, this bookbinding pin fastener 7, the bookbinding pin fastener as employed bookbinding folder in this file that can alternatively sandwich the page class has the structure identical with known product.

In the present embodiment, at the bottom of above-mentioned folder face 1, above-mentioned pressing plate portion 2, above-mentioned Jiaji 3, the above-mentioned folder 4 and aforesaid substrate portion 5 all form by resin, constitute simultaneously and on Jiaji 3, do not set in advance broken line, its effective width is variable.

Specifically, folder face 1 forms the bag shape by outer flooring 11 shown in Figure 3 and interior flooring 12 shown in Figure 4, as shown in Figure 2, a mouthful 1a is inserted as constituting the Jiaji that can insert above-mentioned Jiaji 3 in the space between outer flooring 11 and the interior flooring 12.Above-mentioned outer flooring 11, its upper edge, lower edge portion and with the edge part of Jiaji opposite side on the invagination installation portion 11a shown in Fig. 3 bend portion is set, outside making under flooring 11 and the state that interior flooring 12 overlaps, it is inwardly folding along broken line L1 to fold into installation portion 11a, its outer flooring installation portion 12a with the interior flooring 12 shown in the oblique line portion of Fig. 4 is overlapped, and welding is in this on flooring 12.In the present embodiment, this outer flooring 11 is that the resin sheet of 0.4mm forms by gauge.On the other hand, above-mentioned in flooring 12 be that the resin sheet of 0.8mm forms by gauge, make gauge than flooring outside above-mentioned big in, the ora terminalis of Jiaji 3 sides along broken line L3 invagination, is formed above-mentioned pressing plate portion 2.The perspective view of the folder face of Gou Chenging as shown in Figure 5 like this.

In addition, above-mentioned Jiaji 3, in the present embodiment, as shown in Figure 6, be that the transparent resin sheet that 1 gauge is 0.2mm is folded along broken line L4, folding line is as base 3x, simultaneously, as shown in Figure 8, with 4 Jiaji installation portion 4a welding at the bottom of the installation portion 3a that is provided with in the end and the above-mentioned folder, the other end is folding along broken line L5, blend stop 3b is set.This blend stop 3b with the ora terminalis of the outer flooring 11 of above-mentioned folder face 1 is engaged along the Jiaji blend stop 11b that the broken line L2 of Fig. 3 is folded with, come off to prevent that this Jiaji 3 from extracting fully.And, in this Jiaji 3, constitute the index that can form from ora terminalis as shown in Figure 8 and insert a mouthful 3y insertion Jiaji paper 8 with base 3x opposite side.In addition, in the present embodiment, in order successfully to carry out this Jiaji 3 pulling and pushing in folder face 1, embossing processing is implemented on the surface.Also have, will only have the Jiaji paper location division 3c of the positioning function of above-mentioned Jiaji paper 8 in the local welding setting of above-mentioned installation portion 3a apart from broken line L5 with the predetermined distance off normal.

On the other hand, the folder end 4,, the resin sheet that is 1.0mm by 1 gauge shown in Figure 7 forms.In addition, form baseplate part 5 by ora terminalis along folding Jiaji 3 sides of broken line L6.And, as shown in Figure 8, at the bottom of this folder 4 and the boundary of baseplate part 5 near be provided with Jiaji installation portion 4a, welding has above-mentioned Jiaji 3 on this Jiaji installation portion 4a.Have again, the gauge 1.0mm at this folder end 4, than the gauge 0.4mm of the outer flooring 11 of above-mentioned folder face 1 and among the gauge 0.8mm of flooring 12 any one all big, littler than outer flooring 11 with the total 1.2mm of the gauge of interior flooring 12.

The file F of Gou Chenging extracts out by Jiaji 3 is inserted with respect to folder face 1 like this, according to the quantity of page class P, bend in the most suitable position that sandwiches the page class, thus the effective width of change Jiaji 3.

Next, with reference to Fig. 9 and later accompanying drawing, the characteristic of each embodiment is described.In addition, its characteristic is to adopt following any mode, under the state that is arranged on closed bark pocket body A on its part, suppresses the restraining device that Jiaji 3 relatively moves to the direction of extracting from folder face 1; Or under the state that is arranged on closed bark pocket body A on its part, when the direction of extracting from folder face 1 relatively moves, revise the correcting device that this relatively moves at Jiaji 3.

In addition, in the present embodiment, the outside dimension that forms the inside dimension of folder face 1 of bag shape and Jiaji 3 is set under the state of opening bark pocket body A can slowly inserts the size relationship of taking out Jiaji 3.What is called can slowly be inserted the size relationship of taking out, though main specifiable be with respect to taking out above-below direction that direction intersects vertically (promptly with Jiaji 3 slotting, world direction when file F is erected), the inside dimension (for example d1 among Fig. 9) that the outside dimension (for example d3 among Fig. 9) of Jiaji 3 is set at than folder face 1 is little of becoming the chimerism that can dissociate, but different according to the sticking strength of the outer flooring 11 that constitutes bag and interior flooring 12 also can be adjusted to can inserting lentamente in the expansion easness of the hollow space of coincidence direction and take out.

(the 1st embodiment)

According to the above, the present embodiment is shown in Fig. 9 (a), between the folder face 1 and Jiaji 3 that form the bag shape, be provided with at elastomers 100 such as the rubber that the direction in Jiaji 3 these folder faces 1 of introducing is applied external force, springs, this elastomer is worked as restraining device.This elastomer 100, for example be that a part at folding Jiaji 3 is formed with on 2 layer segments of blend stop 3b hole 3z is set, card ends one end 100a, other end 100b is fixedly mounted on the parts on the part of folder face 1 by suitable modes such as rivets, it is set to and can applies the traction external force of direction of insertion so that Jiaji 3 is inserted into position darker in the folder face 1 to Jiaji 3.

In addition, in the present embodiment, shown in Fig. 9 (b), on the position before Jiaji 3 is pulled out fully from the folder face 1 that forms the bag shape, be provided with the external force that is used to resist and make the only fastener 200 on the edge of opening 1z of folder face 1 of Jiaji 3 cards from elastomer 100.This fastener 200 is that the insertion that is arranged at Jiaji 3 relative folder faces 1 begins the overshooting shape parts on distolateral, and front end is side-prominent to folder face 1, realizes this formation by cutting out or setting up.

Carrying out adding of page class when subtracting, generally be that Jiaji 3 is pulled out this fastener 200 in being incorporated in the folder face 1 that forms the bag shape till the position that folder face 1 exposes from folder face 1, on this position, as required, realize that fastener 200 ends state with respect to the card of folder face 1 auxiliary the time with hand etc.Finish after adding of paper subtract, once again Jiaji 3 is pulled out in folder face 1 a certain amount of, by folding fastener 200, as required, also can be by help such as hand so that its enter in the folder face 1.

If carry out according to above-mentioned, under the state of opening bark pocket body A, because the slotting trail drag force when taking out operation that carries out Jiaji 3 with respect to the folder face 1 that forms the bag shape diminishes, so, even Jiaji 3 is relatively more soft materials such as resin, also can successfully adjust the effective width of Jiaji 3.And, in case after being adjusted into suitable effective width, if closed bark pocket body A suppresses because the pull-off of Jiaji 3 action is used as the elastomer 100 of restraining device, damage the situation of outward appearance so can prevent unexpected the relaxing of tension of Jiaji 3, the independence in the time of can guaranteeing effectively to erect.

Particularly; if suppressing portion adopts above-mentioned elastomer 100; owing to make the power effect that Jiaji 3 is drawn energetically usually in folder face 1, thus can more properly reach for Jiaji 3 prevent the pull-off purpose, can be simply, correctly Jiaji 3 is carried out the adjustment of effective width.

In addition,, utilize fastener 200 can prevent the situation that Jiaji 3 unexpectedly shrinks in the operation, therefore also can guarantee to add the operability that subtracts in the operation effectively owing to subtracting adding of page class even adopt this elastomer 100.

(the 2nd embodiment)

The present embodiment, shown in Figure 10 (c), between the folder face 1 and Jiaji 3 that form the bag shape, be provided with corresponding with a plurality of effective widths of Jiaji 3, make this Jiaji 3 and the holding section 300 that above-mentioned folder face 1 engages interimly, worked as restraining device in this holding section 300.

This holding section 300, specifically, be by the projection 301 that is arranged on the folder face 1 that forms the bag shape, with constitute with a plurality of slit-shaped apertures portion 302 that constant space is provided with at the correspondence position upper edge of Jiaji 3 ridge cross direction, shown in Figure 10 (b), projection 301 is that the part of the interior flooring 12 of folder face 1 has been cut and has been provided with, hole portion 302 is the thin slices that will constitute Jiaji 3 when being bent to form surfacing 3x, internal material 3y, is arranged on internal material 3y side.And be constituted as, under the state of this figure (a) that opens bark pocket body A, make arrival such as its lodging roughly become conplane position with periphery, keep out of the way on the position that can not engage with hole portion 302, under the state of this figure of closed bark pocket body A (c), make its from periphery erect etc. navigate to can with position that hole portion 302 engages on.

Do like this, in case after Jiaji 3 adjusted to suitable effective width, if closed bark pocket body A, by the engage holding section 300 that constitute as restraining device of projection 301 with hole portion 302, owing to suppress the pull-off action of Jiaji 3 whereby, damage the situation of outward appearance so the tension that can prevent Jiaji 3 is unexpectedly lax, the independence in the time of also can guaranteeing effectively to erect, can reach with insert take out easiness and deposit.

Particularly, if on suppressing portion, adopt holding section 300 as described above, because as long as do not remove fastening state, just can not depart from the position of Jiaji 3, so, can positively produce a desired effect on the relaxing of this Jiaji 3 preventing.

Especially, because Jiaji 3 is to form index to insert 2 layers of structure using bag between surfacing 3x and internal material 3y, therefore, even hole portion 302 is set on internal material 3y as mentioned above, hole portion 302 also can not expose on the outer surface of Jiaji 3, can prevent the situation of appearance damage effectively.

In addition, even Jiaji 3 is individual, if but have to a certain degree wall thickness, replacing hole portion 302, side forms the recess that does not connect these Jiaji 3 wall thickness within it, also can obtain identical effect.In addition, projection 301 cut direction, shown in Figure 10 (d), under the state of closed bark pocket body A, even the projection that erects to the direction that intersects vertically with folder face 1 also can realize the fastening state of itself and hole portion 302 effectively.

(the 3rd embodiment)

This embodiment, as shown in figure 11, between the folder face 1 and Jiaji 3 that form the bag shape, corresponding with a plurality of effective widths of Jiaji 3, setting makes this Jiaji 3 and the holding section 400 that above-mentioned folder face 1 engages interimly, is worked as restraining device in this holding section 400.

This holding section 400, specifically, by the concavo-convex continuous rib of taking out along Jiaji 3 slotting in the hollow bulb that direction is located at the folder face 1 that forms the bag shape 401, constitute with the concavo-convex continuous rib 402 on the correspondence position of being located at Jiaji 3 along equidirectional, this holding section can change phase place along concavo-convex continuous direction interimly and make engaging between the rib 401,402.These ribs 401,402 are to utilize the pressing mold etc. of welding resin mode to constitute.

If do like this, what not only can make Jiaji 3 slottingly takes out easiness and prevents that accident from extracting effectively and depositing, and spacing that can be tiny adjusts the width of Jiaji 3, and the making of suppressing portion also can easily be carried out.

(the 4th embodiment)

The present embodiment shown in Figure 12 (a), is conceived to Jiaji 3 and is to form index and insert 2 layers of structure with bag between surfacing 3x and internal material 3y, broken line 8a is set becoming on the Jiaji paper 8 of index, and this broken line 8a is worked as suppressing portion.When closed bark pocket body A, if along this broken line 8a bending Jiaji paper 8, making under the situation of this ridge paper 8 with paper etc., because bending state kept constantly, so the conformal power of Jiaji 3 action of extracting from folder face 1 by this Jiaji paper 8 is suppressed.So, just can make the slotting of Jiaji 3 take out easiness and prevent to extract unexpectedly effectively and deposit with simple mode.

In addition, be under the situation of this 2 layers of structure at Jiaji 3, shown in Figure 12 (b), also can on the internal material 3y that constitutes Jiaji 3, broken line 3y1 be set, this broken line 3y1 is worked as suppressing portion.Because this broken line 3y1 bends when closed bark pocket body A, card ends on the edge of opening 1z of the edge part of conduct folder face 1, therefore can suppress the pull action of Jiaji 3 from folder face 1 by the broken line 3y1 of this internal material 3y effectively.

(the 5th embodiment)

Basic structure replaces restraining device with above-mentioned identical, and under the state that is arranged on closed bark pocket body A on its part, the formation that is used to revise the correcting device that Jiaji 3 relatively moves to the direction of extracting from the folder face 1 that forms the bag shape also is effective.

Correcting device shown in Figure 13, it is the window portion 500 that is arranged on folder face 1 part, the part of the Jiaji 3 of insertion is exposed by this window portion 500, referred to that with the thumb of two hands abdomen pushes this Jiaji etc., can apply the external force of x direction shown in the figure that in this folder face 1, introduces.

If like this, add subtract the page class after, adjust the effective width of Jiaji 3, in case behind the closed bark pocket body A, owing to can open the adjustment again that bark pocket body A carries out the effective width of Jiaji 3 once again, not only adjust under the condition of poor in the early stage, even under the situation that Jiaji after the adjustment 3 relaxes, also can adjust state simply.

Particularly, the present embodiment constitutes bark pocket body A integral body by resin because the slip of Jiaji 3 is smooth, extract from folder face 1 more or less freely, so the restraining device described in above-mentioned each embodiment is set or correcting device is extremely useful.

More than, though several embodiments of the present invention are illustrated, the concrete formation of each several part is not limited in above-mentioned embodiment.For example, though having guaranteed to insert by the size relationship between folder face 1 and the Jiaji 3, above-mentioned embodiment takes out easiness, but, utilize the formation of implementing the embossing processing that reduces sliding-frictional resistance in the necessary place of bark pocket body also can guarantee to insert and take out easiness not by size relationship.In addition, because basic role effect of the present invention, also be effectively, so the present invention might not the folder face be slotting relatively takes out easily as important document with Jiaji even contact such as hand is unexpectedly pulled out the inconvenience of Jiaji.And then, will press from both sides the bottom side and form the bag shape, folder face side is set up schemes such as Jiaji, in the scope that does not break away from purport of the present invention, can do various distortion.

Claims (10)

1, a kind of have a bark pocket body that is made of folder face, the folder end and Jiaji, and the above-mentioned folder face or at least one square one-tenth at the folder end can be inserted the bag shape of above-mentioned Jiaji, the file that the effective width of this Jiaji is variable, it is characterized in that, its part is provided with under the state of closed bark pocket body, suppresses the restraining device that Jiaji relatively moves to the direction of extracting from the bag of side's bark pocket.

2, the file described in claim 1 is characterized in that, restraining device is the elastomer of Jiaji being introduced the external force of direction in this bark pocket that applies between side's bark pocket that forms the bag shape and Jiaji.

3, the file described in claim 2 is characterized in that, on the position before Jiaji is extracted from the side's bark pocket that forms the bag shape, opposing is set makes the only fastener on side's bark pocket of Jiaji card from elastomeric external force.

4, the file described in claim 1 is characterized in that, restraining device is between side's bark pocket that forms the bag shape and Jiaji, and is corresponding with a plurality of effective widths of Jiaji, the holding section that this Jiaji and above-mentioned side's bark pocket are engaged interimly.

5, the file described in claim 4 is characterized in that, the holding section is to be made of the recess or the hole portion that are arranged at the projection on the side's bark pocket that forms the bag shape and be arranged on the correspondence position of Jiaji.

6, the file described in claim 5 is characterized in that, projection is located in, the position that when opening the bark pocket body, can not engage with recess or hole portion, when closed bark pocket body can with position that recess or hole portion engage on.

7, the file described in claim 4, it is characterized in that, the holding section is by concavo-convex continuous rib set on the side's bark pocket that forms the bag shape, constitute with the concavo-convex continuous rib on the correspondence position of being located at Jiaji, can change phase place along concavo-convex continuous direction interimly and make between the rib and engage.

8, the file described in claim 1, it is characterized in that, Jiaji is externally to form index between material and the internal material to insert parts with bag, and suppressing portion is the broken line of being located on this index, and this broken line is bending and keep the parts of this bending state when closed bark pocket body.

9, the file described in claim 1, it is characterized in that, Jiaji is externally to form index between material and the internal material to insert parts with bag, and suppressing portion is the broken line of being located on this internal material, and this broken line is bending and the parts that articulate with the edge of bark pocket when closed bark pocket body.

10, the file described in claim 1～9 is characterized in that, the folder face, the folder end and the Jiaji that constitute the bark pocket body are formed by resin.

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