JP2004338261A - File and fastener - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a file which contributes to effectively improving the facilities of an assembling/disassembling work, curtailing the number of components, and effectively cutting a manufacturing cost. <P>SOLUTION: A fastener 1 is equipped with a pair of lining parts 10 arranged at positions corresponding to insertion holes h1, h2 and h3 respectively, a connecting part 12 which connectively spans the space between the lining parts 10, and a pair of engaging parts 111, 112 and 113 drawn out to the mounting surface (h) side from each lining part 10 through the insertion holes h1, h2 and h3, on the back of a cover body H with the back turned to the mounting surface (h). In addition, a binding implement B is secured detachably to the mounting surface (h) using the paired drawn engaging parts 111, 112 and 113. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a file and a stopper capable of binding documents and other papers.
[0002]
[Prior art]
Various files using a ring fitting, a pipe fitting, a flat fitting, or the like as a binding tool have been developed as this kind of file.
[0003]
For example, the cover body has insertion portions at two separate positions on the mounting surface to which the binding device is attached, and the stoppers are respectively provided at positions corresponding to the insertion portions on the back surface of the cover body facing the mounting surface of the binding device. A pair of backing members to be arranged, and a pair of buckles respectively located at positions corresponding to the insertion portions on the attachment surface side of the binding tool, and attached to the respective backing members via the insertion portions. An engaging claw that is drawn out to the surface side is provided.
[0004]
Then, a buckle is engaged with each of the engaging claws pulled out, and the buckle enables the binding tool to be attached in a state of being sandwiched between the cover body and the backing member (for example, see Patent Document 1). 1).
[0005]
[Patent Document 1]
Japanese Patent No. 3230521
[Problems to be solved by the invention]
However, in such a case, two backing members must be inserted into the cover at two separate positions, and separate buckles must be engaged with the backing members. As described above, since the backing member and the buckle are each a single part, there is a problem that the handling is complicated, the assembling and disassembling operations are troublesome, and the workability is poor.
[0007]
In addition, the stopper consisting of the backing member and the buckle attaches itself to the cover only when the binding tool is attached to the cover, and has no function of temporarily holding the cover on the cover. For this reason, handling, assembling and disassembling operations are further inconvenient.
[0008]
An object of the present invention is to provide a file that effectively solves such a problem.
[0009]
[Means for Solving the Problems]
The present invention employs the following configuration in order to achieve the above object.
[0010]
That is, the file according to the present invention is configured by attaching a binding device to a cover body via a stopper, and the cover body is provided with insertion portions at two separated positions on the mounting surface to which the binding device is attached. The stopper has a pair of backing portions respectively arranged at positions corresponding to the insertion portions on the back surface of the cover body facing the mounting surface of the binding device, and a space between these backing portions. A connecting portion to be connected, and a pair of engaging portions pulled out from each of the backing portions through the insertion portion to the mounting surface side, and using the pair of drawn out engaging portions, a binding tool Is detachably attached to the attachment surface.
[0011]
With such a structure, the stopper can be handled integrally, so that the convenience of assembling and disassembling operations can be effectively improved.
[0012]
Further, as a specific configuration of the file according to the present invention, a file in which a pair of backing portions, a connecting portion, and a pair of engaging portions are integrally formed of resin is exemplified. With such a configuration, it is possible to effectively reduce costs by reducing the number of components and thereby simplifying the manufacturing process.
[0013]
Further, the file according to the present invention is preferably such that the connecting portion is elastically deformable so that the distance between the backing portions can be varied by expansion and contraction. In such a case, the engaging portion is engaged with the binding tool by a sliding operation along the mounting surface, and is attached to the cover body by itself without using a buckle or the like, and the attachment / detachment becomes easy, The engagement state can be effectively maintained by utilizing the elasticity of the connecting portion.
[0014]
In particular, the file according to the present invention allows each engaging portion to pass through the corresponding insertion portion in a state where the elastic force in the pulling direction or the compressing direction is accumulated in the connecting portion, and by restoring the connecting portion at that position, It is effective that the engaging portion is detachably engaged with the binding device by sandwiching the binding device and the cover body between the engaging portion and the backing portion. In such a case, since the engaging portion is engaged so as to be sandwiched between the binding tool and the cover body, it is possible to secure the mounting state.
[0015]
In addition, the file according to the present invention provides a binding device and a cover between the first engaging element mainly having a function of fixing the backing portion to the back surface of the cover body and the backing portion. And a second engaging element mainly having a function of sandwiching the body. With such a configuration, when the binding device is not attached, the stopper can be kept fixed to the cover by the first engagement element.
[0016]
Still further, the connecting portion according to the present invention is made of a resin, and the resin is made expandable and contractable by a pantograph structure. With such a structure, effective elasticity can be imparted even if the connecting portion is formed by resin molding.
[0017]
Further, the file according to the present invention is a file configured by attaching a binding tool to a cover body via a stopper, and the cover body has an insertion portion on a mounting surface to which the binding tool is attached. The stopper has a backing portion disposed at a position corresponding to the insertion portion on the back surface of the cover body facing the mounting surface of the binding device, and from the backing portion to the mounting surface side via the insertion portion. An engaging portion to be pulled out, and by sliding the extracted engaging portion along the mounting surface and directly engaging with the binding device, the binding device is detachably attached to the mounting surface. It is characterized by the following.
[0018]
In such a case, the stopper can be attached to and detached from the cover body by itself without using a member corresponding to a buckle by the backing portion and the engaging portion, so that the cover member can be attached to the cover if necessary. It is also possible to temporarily hold the stopper, so that the convenience of assembling and disassembling operations can be effectively improved.
[0019]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0020]
As shown in FIG. 1, the file F according to the present embodiment includes a cover body H made of paper or resin as a material having a spine H1 forming a mounting surface h, and a mounting surface h of the spine H1. It is composed of an attached metal binding tool B and a stopper 1, and the binding tool B is detachably attached to the cover body H via the fastening tool 1 attached to the back cover H1 from the back side. It is attached.
[0021]
As shown in a perspective view of FIG. 2, the stopper 1 according to the present embodiment includes a backing portion 10 located at each of both ends in a longitudinal direction thereof, and an engaging portion provided at a predetermined position of each backing portion 10. 11 and a connecting portion 12 connecting between the two backing portions 10. The backing portion 10, the engaging portion 11, and the connecting portion 12 are integrally formed of resin.
[0022]
The backing portion 10 is applied to the cover body H at two positions separated by a predetermined distance from the back side of the mounting surface h of the spine H1, and the two positions are elongated when the binding tool B is disposed at the predetermined mounting position. It corresponds to the part where both ends of the direction are located. The two backrest portions 10 are connected via a connecting portion 12.
[0023]
The engaging portion 11 is provided on a surface of the backing portion 10 that contacts the spine H1. The operating portion 113 functions as a first engaging member, and the first engaging protrusion 111 functions as a second engaging member. And the second engagement protrusion 112.
[0024]
The first engagement protrusion 111 is provided near an end in the longitudinal direction of the backing portion 10, and has an insertion portion 111 a rising toward the cover H, and a right angle from the tip of the insertion portion 111 a toward the connecting portion 12. And an engaging portion 111b bent to the right. The rising height of the insertion portion 111a substantially matches the thickness when the cover body H and the bottom plate b of the binding tool B are overlapped. A slit 111c having a width substantially similar to that of the insertion portion 111a is opened at a position adjacent to the rising position of the insertion portion 111a.
[0025]
The second engagement protrusion 112 is provided at a position close to the first engagement protrusion 111. The shape and configuration of the second engagement protrusion 112 are the same as those of the first engagement protrusion 111. , An engaging portion 112b and a slit 112c.
[0026]
The operating portion 113 is a projection that rises from the center of the end of the backing portion 10, and includes an insertion portion 113a that rises toward the cover body H, and an elliptical operation portion 113b that is provided at the tip of the insertion portion 113a. Consists of The rising height of the insertion portion 113a substantially matches the thickness of the cover body H, like the insertion portions 111a and 112a of the first engagement protrusion 111 and the second engagement protrusion 112, and the upper surface portion of the operation portion 113b. Is provided with anti-slip irregularities so that a user can easily operate the operation unit 113 with his / her finger.
[0027]
The connecting portion 12 connects two rhombic structures in which resin filaments are gathered in the longitudinal direction so that the stopper 1 can be extended in the longitudinal direction when a force is applied in the direction of moving the backing portion 10 away from each other. It has a pantograph structure. The part corresponding to the corner of the diamond and the part connecting the diamond, steal the meat inside or outside in a partial circle, constitute a resin spring that accumulates elastic force when expanded or compressed in this part. I have.
[0028]
FIG. 3 is an enlarged view of the mounting surface h of the spine H1. At two separate positions corresponding to the vicinity of both ends in the longitudinal direction of the bottom plate b constituting the binding tool B, the first engagement provided on each backing portion 10 in a state where the stopper 1 is extended by a predetermined distance. A first insertion hole h1, a second insertion hole h2, and an operation portion insertion hole h3 are provided at positions where the protrusion 111, the second engagement protrusion 112, and the operation portion 113 can be inserted. In addition, after the insertion, the first insertion hole h1 and the second insertion hole h2 are connected to each other by the first engaging hole h1 so that the two backing portions 10 can move in directions approaching each other as the connecting portion 12 retracts. The opening is provided with a margin on the moving side from the position where the engaging portions 111a and 112a of the mating protrusion 111 and the second engaging protrusion 112 are inserted, and the operating portion insertion hole h3 is inserted through the moving side. A relief h3a into which the portion 113a can be inserted is provided. The width dimension of h3a substantially matches the width dimension of the insertion portion 113a of the operation unit 113.
[0029]
FIG. 4 shows an enlarged view of the vicinity of the attachment location of the binding tool B. The binding tool B according to the present embodiment has a binding rod S at a location corresponding to an opening provided in a sheet to be bound, and inserts the binding rod S into the opening to pass the sheet. It is binding. The bottom plate b located on the lower end side of the binding tool B is in contact with the mounting surface h of the spine H1. In a state where the bottom plate b is placed on the mounting surface h, a U-shaped notch b1 is formed at a position corresponding to the first insertion hole h1 of the mounting surface h, that is, at an end of the bottom plate b in the width direction. A total of four places are provided, including two places and the other end not shown, and a rectangular opening b2 is provided at a place corresponding to the second insertion hole h2, a total of four places including the other end not shown. ing. One side of the opening b2 is provided with a cut-and-raised b3 projecting downward, and the projected dimension of the cut-and-raised b3 is substantially equal to the thickness of the spine H1.
[0030]
Next, a procedure for temporarily holding the stopper 1 on the cover body H in the file F according to the present embodiment will be described. First, one backing portion 10 of the stopper 1 was applied to the spine H1 from the back side of the mounting surface h, and the first engagement protrusion 111, the second engagement protrusion 112, and the operation portion 113 were provided on the spine H1. The connection portion 12 is extended by passing the other backing portion 10 through the first insertion hole h1, the second insertion hole h2, and the operation portion insertion hole h3, and putting a finger on the operation portion 113 in this state. Pulling the operation unit 113 through the operation unit insertion hole h3 of the spine H1. At this time, the first engagement protrusion 111 and the second engagement protrusion 112 pass through the first insertion hole h1 and the second insertion hole h2 simultaneously or before and after. By releasing the hand in this state, the extended connecting portion 12 is retracted, and the operating portion 113 is in a state of being fitted at the position of the relief h3a provided in the operating portion insertion hole h3. In this state, the operation portion 113b of the operation portion 113 and the engagement portions 111b and 112b of the first engagement protrusion 111 and the second engagement protrusion 112 project from the mounting surface h, and the first engagement protrusion 111 and the operation portion The insertion portions 111a and 113a of 113 are in contact with the first insertion hole h1 and the relief h3a provided in the operation portion insertion hole h3, and the stopper 1 is fixed to the spine H1, that is, the stopper 1 is in the cover. It is in a state temporarily held by the body H. In this state, the elasticity of the connecting portion 12 in the contraction direction remains, and the insertion portion 112a of the second engagement protrusion 112 is not in contact with the second insertion hole h2.
[0031]
Next, a procedure for attaching the binding tool B from a state where the fastener 1 is temporarily held on the cover body H and the attached state will be described with reference to FIGS. In order to fix the binding tool B from the state in which the stopper 1 is temporarily held on the cover body H, first, one notch b1 of the binding tool B is fitted into the insertion portion 111a, and the cut-and-raised b3 is inserted into the second insertion hole h2. To be inserted. Next, the other cut-and-raised b3 of the binding tool B is inserted into the second insertion hole h2 while being in contact with the second engagement protrusion 112. By doing so, the cut-and-raised b3 is inserted into the second insertion hole h2, and at the same time, the second engagement projection 112 sandwiches the cut-and-raised b3 with the inner edge of the second insertion hole h2 near the center, and the binding tool B is moved to the spine. It will be in the state attached to H1. Here, when the cut-and-raised b3 is inserted into the second insertion hole h2, the operation unit 113 may be slid with a finger to temporarily retract the second engagement protrusion 112.
[0032]
In a state where the binding tool B is attached to the cover body H, elasticity in the contraction direction remains in the connecting portion 12, and the insertion portion 111 a of the first engagement protrusion 111 contacts the first insertion hole h <b> 1 and the notch b <b> 1. The engagement portion 111b is also in contact with the notch b1. The second engagement protrusion 112 is also engaged with the cut-and-raised b3 and the upper surface of the bottom plate b. That is, since the cut and raised b3 is in contact with the second insertion hole h2, the second engagement protrusion 112 is in a state of being engaged with the second insertion hole h2 via the cut and raised b3. At this time, the insertion portion 113a of the operation portion 113 is in a state of being drawn into the escape h3a of the operation portion insertion hole h3.
[0033]
In this state, since the first engagement protrusion 111, the second engagement protrusion 112, and the backing portion 10 sandwich the bottom plate b of the binding tool B and the cover H, the binding tool B is moved from the mounting surface h of the cover H. It cannot move in the direction of dissociation in the normal direction and slide in the longitudinal direction. Further, since the width of the cut-and-raised b3 and the width of the second insertion hole h2 are substantially the same, the binding tool B cannot move in the width direction. That is, in this state, the binding tool B is in a fixed state in which it cannot be moved in any direction with respect to the cover body H.
[0034]
Here, due to individual differences of the cover body H, the length of the cut-and-raised b3 of the binding tool B rises longer than the thickness of the cover body H, and the tip of the cut-and-raised b3 is from the back side of the mounting surface h of the cover body H. In some cases, the tip of the cut-and-raised b3 is inserted into the slit 112c provided in the backing portion 10. Therefore, even in such a case, the tip of the cut-and-raised b3 is inserted into the backing portion 10. Does not hinder the engagement action. Further, even if another binding tool having a cut-and-raised position at the position of the notch b1 is used, the leading end portion of the cut-and-raised portion passes through the slit 111c adjacent to the first engagement protrusion 111, and thus the same as the above-described embodiment. Synergy is not inhibited.
[0035]
In order to separate the binding device B from the cover body H, the engagement between the binding device B and the locking device 1 is released while the locking device 1 is extended by sliding the operation unit 113 of the locking device 1. Thus, the binding tool B can be easily removed from the spine H1.
[0036]
The file F according to the present embodiment has a configuration as described above, that is, a configuration in which a binding tool B made of metal is attached to a cover body H made of paper or resin via a fastener 1. The cover body H has insertion holes h1, h2, and h3, which are insertion portions, at two separated positions on the mounting surface h to which the binding tool B is attached. The stopper 1 has a pair of backing portions 10 arranged at positions corresponding to the pair of insertion holes h1, h2, and h3 on the back surface of the cover body H facing the mounting surface h. And a pair of engaging portions 111, 112, 113 (113 is an operation which is an engaging portion) which is pulled out from each backing portion 10 to the mounting surface h side through the insertion holes h1, h2, h3 through the through holes h1, h2, h3. ), And the binding tool B is detachably attached to the attachment surface h using the pair of engaging portions 111, 112, and 113 pulled out. By doing so, the user can handle the stopper 1 integrally. Therefore, the file F can be easily assembled, the convenience of the disassembling operation at the time of sorting and discarding can be effectively improved, and the binding device B can be easily reused when the cover body H is deteriorated. Become like
[0037]
Further, since the pair of backing portions 10, the connecting portion 12, and the pair of engaging portions 11 constituting the stopper 1 are integrally formed of resin, the number of parts related to the file F can be reduced. I have. By simplifying the manufacturing process, the cost of the file F can be effectively reduced.
[0038]
In the stopper 1, the connecting portion 12 is made of a resin, and the resin is made expandable and contractable by a pantograph structure, so that the connecting portion 12 can be provided with effective elasticity. By providing the elastically deformable stopper 1 that makes the distance between the backing portions 10 variable by the expansion and contraction of the coupling portion 12, the binding portion 11 is slid by the sliding operation along the mounting surface h. B, the fastener 1 attaches to the cover body H by itself without using a buckle or the like, and its attachment / detachment becomes easy, and the engagement state is effectively maintained by utilizing the elasticity of the connecting portion 12. can do.
[0039]
In particular, when the binding tool B is attached to the cover body H via the stopper 1, the engaging portions 11 are inserted into the insertion holes h1 as the corresponding insertion portions in a state where the elastic force due to the pulling is accumulated in the connecting portion 12. , H2, and h3, and by restoring the connecting portion 12 at that position, the binding device B and the cover body H are sandwiched between the engaging portion 11 and the backing portion 10. (FIGS. 6 and 7). For this reason, the engaging portion 11 is engaged so as to be sandwiched between the binding tool B and the cover H, so that the mounting state of the binding tool B can be ensured.
[0040]
In addition, the file F according to the present embodiment includes an operating unit 113 that functions as a first engaging element mainly having a function of fixing the engaging unit 11 to the backing unit 10 on the back surface of the cover body H; It is composed of a first engagement projection 111 and a second engagement projection 112 that mainly function as a second engagement element that sandwiches the binding tool B and the cover body H between the backing portion 10. Therefore, when the binding tool B is not mounted, the stopper 1 can be temporarily held on the cover body H by the operation unit 113 (FIG. 5). This is particularly effective in the case where the binding tool B must be set.
[0041]
Further, the file F according to the present embodiment is configured by attaching a binding tool B to the cover body H via the stopper 1, and the cover body H is provided with an insertion hole h1 as an insertion portion on an attachment surface h to which the binding tool B is attached. , H2, h3. The stopper 1 has a backing portion 10 arranged at a position corresponding to the insertion holes h1, h2, and h3 on the back surface of the cover body H facing the mounting surface h of the binding device B, and an insertion hole from the backing portion 10. and an engaging portion 11 drawn out toward the mounting surface h via h1, h2, and h3. Then, the binding portion 11 is detachably attached to the attachment surface h by sliding the drawn-out engaging portion 11 along the attachment surface h and directly engaging with the binding device B. For this reason, the stopper 1 can be attached to and detached from the cover body H by the stopper 1 itself without using a separate member corresponding to a buckle by the backing portion 10 and the engaging portion 11. As described above, the stopper 1 can be temporarily held on the cover H if necessary. In addition, the convenience of assembling and disassembling the file F can be effectively improved.
[0042]
Next, a description will be given of another embodiment of the present invention, with reference to FIG. 8, which illustrates a stopper 2 that is engaged with the cover body H2 and the binding tool B2 in a state where elastic force due to compression is accumulated. The basic structure of the backing portion 20, the first engaging element 211 of the engaging portion 21, and the connecting portion 22 of the stopper 2 is substantially the same as that of the above-described stopper 1. However, as shown in the schematic side view of FIG. 8A, the direction in which the second engaging element 212 of the engaging portion 21 bends is different from the first engaging projection 111 and the second engaging projection 112 of the stopper 1. Is in the opposite direction. That is, the second engaging element 212 is bent such that the engaging portion 212b projects toward both ends of the stopper 2 with respect to the insertion portion 212a.
[0043]
FIG. 8B is a schematic cross-sectional view of a relevant part when the binding B2 is fixed to the stopper 2 via the cover H2. In a state where the binding tool B2 is attached to the cover body H2, the elasticity due to the compression is left in the connecting portion 22, and the engaging portion 212a of the second engaging member 212 is provided in the insertion hole h21 and the bottom plate provided in the cover body H2. A state in which the opening portion b22 provided in the b20 is inserted, the engaging portion 212b is in contact with the bottom plate b20, and the back cover 20 and the engaging portion 212b of the stopper 2 sandwich the cover body H and the binding tool B2. It has become. By doing so, the binding device B2 is in a fixed state in which the binding device B2 cannot be moved in any direction with respect to the cover body H, similarly to the above-described stopper 1.
[0044]
Note that the specific configuration of each unit is not limited to only the above-described embodiment. For example, in the above embodiment, the binding B employing the pipe fitting is used, but a binding employing a ring fitting or a flat fitting may be used instead of the pipe fitting. Further, the specific positions and numbers of the engaging portions and the insertion holes may be changed according to the shape and specifications of the binding tool. In addition, the structure of the connection portion is a pantograph structure in the above embodiment, but the structure of the connection portion may be any other wave-like or mesh-like structure that can be expanded and contracted according to the present invention. Can be applied.
[0045]
The configuration of each of the other units can be variously modified without departing from the spirit of the present invention.
[0046]
【The invention's effect】
Since the present invention has the configuration described above, it is possible to effectively improve the convenience of assembling and disassembling the file, and to reduce the number of parts and thereby effectively reduce the cost.
[Brief description of the drawings]
FIG. 1 is an exemplary perspective view showing a file according to an embodiment;
FIG. 2 is an exemplary perspective view showing a stopper according to the embodiment;
FIG. 3 is an enlarged perspective view of a main part of the cover body H according to the embodiment.
FIG. 4 is an enlarged perspective view of a main part of the binding device according to the embodiment.
FIG. 5 is an enlarged perspective view of a main part showing a temporary holding state of the stopper of the embodiment.
FIG. 6 is an enlarged perspective view of a main part showing an attached state of the binding device of the embodiment.
FIG. 7 is an enlarged cross-sectional view of a main part showing a mounting state of the binding device of the embodiment.
FIG. 8 is a schematic view showing a stopper according to another embodiment of the present invention.
[Explanation of symbols]
1, 2 ... Stoppers 10, 20 ... Backing parts 11, 21 ... Engaging parts 111, 212 ... Second engaging element (first engaging projection)
112... Second engaging element (second engaging projection)
113, 211... First engagement member (operation unit)
111a, 112a, 113a, 212a ... insertion portions 111b, 112b, 212b ... engagement portions 111c, 112c ... slits 113b ... operation portions 12, 22 ... connecting portions H and H2 ... cover body H1 ... spine h ... mounting surface h1 ... First insertion hole h2 Second insertion hole h3 Operation portion insertion hole h3a Escape h21 Insertion holes B and B2 Binding tool b and b20 Bottom surface b1 Notch b2 and b22 Opening b3 Cut and raised

Claims (10)

A file configured by attaching a binding device to a cover body via a stopper,
The cover body has an insertion portion at two separated positions on a mounting surface to which the binding device is attached,
The stopper has a pair of backing portions arranged at corresponding positions of the insertion portion on the back surface of the cover body facing the mounting surface of the binding device, and a connecting portion connecting between these backing portions, A pair of engaging portions that are pulled out from each of the backing portions to the mounting surface side through the insertion portion,
A file, wherein a binding tool is detachably attached to an attachment surface by using a pair of pulled out engagement portions. The file according to claim 1, wherein the pair of backing portions, the connecting portion, and the pair of engaging portions are integrally formed of resin. The file according to claim 1, wherein the connecting portion is elastically deformable so that the distance between the backing portions can be changed by expanding and contracting. Each engaging portion is passed through the corresponding insertion portion in a state where the elastic force in the pulling direction or the compressing direction is accumulated in the connecting portion, and by restoring the connecting portion at that position, the engaging portion is connected to the backing portion. 4. The file according to claim 3, wherein the binding device and the cover are sandwiched between the files so that the binding device is detachably engaged with the binding device. A first engaging element mainly having a function of fixing the backing portion to the back surface of the cover body, and a second mainly having a function of sandwiching the binding tool and the cover body between the first engaging element and the backing portion. 5. The file according to claim 4, wherein said file comprises an engaging element. The file according to claim 3, wherein the connecting portion is made of a resin, and the resin is made expandable and contractable by a pantograph structure. A file configured by attaching a binding device to a cover body via a stopper,
The cover body has an insertion portion on a mounting surface to which the binding device is attached,
The stopper has a backing portion disposed at a position corresponding to the insertion portion on the back surface of the cover body facing the mounting surface of the binding device, and is pulled out from the backing portion toward the mounting surface via the insertion portion. And an engaging portion to be
A file characterized in that a binding device is detachably attached to a mounting surface by slidingly moving an extracted engaging portion along a mounting surface and directly engaging with the binding device. A first engaging element mainly having a function of fixing the backing portion to the back surface of the cover body, and a second mainly having a function of sandwiching the binding tool and the cover body between the first engaging element and the backing portion. 8. The file according to claim 7, wherein the file comprises an engaging element. 9. The file according to claim 1, wherein the cover body is made of paper and / or resin, and the binding tool is made of metal. It is a stop which comprises the file of Claims 1-9,
A backing portion disposed at a position corresponding to the insertion portion on the back surface of the cover body facing the mounting surface of the binding tool, and an engagement portion pulled out from the backing portion to the mounting surface side via the insertion portion through the backing portion. A fastener comprising:

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