JPH0310068Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to an improvement of a file binding device that can easily file and combine multiple magazines, booklets, notebooks, etc.

[Conventional technology]

Conventionally, as this type of file binding device, one constructed as shown in FIG. 4 has been known (Utility Model Publication No. 55-23891). That is, the binding device shown in FIG. 4 includes a flat approximately U-shaped pin 10 made of synthetic resin and having a plurality of notches 14 in a pin foot portion 12, a binding device substrate 16 to which a front side pin holding portion 18 is fixed. , consisting of a back side pin holding part 20 fixed to this binding device base plate 16, and a protruding strip 22 that fits into the notch 14 of the pin foot part on at least one of both pin holding parts 18, 20.
are provided, and the pin foot portion is located in the space formed by both of these pin holding portions, and the pin 10
It consists of a structure that is slidably attached along the

The file binding device constructed in this way utilizes the flexibility of the synthetic resin pins to hold one of the opposing pins with your fingers and bend it laterally, and then inserts the other pin into one end of the magazine in advance. etc., and then remove the pin from your finger, the pin will return to its natural state and you can complete the binding. In this case, the pin is slidable in the thickness direction of the composite,
In addition, this pin has features such as the notch and the protruding strip of the pin holding part fitting together, so that the pins do not get entangled with each other, and the spread after binding is improved.

[Problem that the invention attempts to solve]

However, in the conventional file binding device described above, the pin is made of a synthetic resin material and has a flat configuration to facilitate bending, but the pin foot that holds the pin needs to have multiple notches. The width must be set large to maintain sufficient strength. In addition, in order to allow the pin foot to slide smoothly, it is necessary to provide the same plurality of protrusions on the binding device main body at least at positions corresponding to the plurality of notches on the pin foot. The structure of the main body is complicated, and therefore, the main body of the binding device must be molded separately into a base part and a front pin holding part, and these parts must be assembled and connected to be integrated. Then, this integrated binding device main body must be fixed to the file mount using caulking metal fittings or the like. Therefore, the conventional file binding device has drawbacks such as complicated molding and assembly operations and increased dimensions in the mounting direction relative to the file mount.

Therefore, the purpose of the present invention is to provide a file binding device that is designed to stabilize the strength of the pin, simplify the structure of the binding device body, facilitate molding and assembly work, and facilitate the sliding operation of the pin. is to provide.

[Means for solving problems]

The file binding device according to the present invention has a foot portion formed by forming one end side of a pin configured into a substantially U-shape into a round bar shape, and locking protrusions are provided at the top and bottom of the foot portion, respectively, and locking projections are provided at the top and bottom of the foot portion. A binding board having a protruding part, a slit into which the locking protrusion of the pin foot part is fitted, an eaves part for guiding the top protruding part, and a metal fitting insertion hole, and a metal fitting insertion hole of this binding piece board. A metal fitting insertion hole communicating with the hole and a binding front cover plate formed with a sliding groove on one side thereof to be slidably fitted are provided, and a plurality of pins are provided between the binding implement base plate and the binding implement front cover plate. The foot part is held slidably along the slit and eave part of the binding tool board through its locking protrusion and the top protrusion, and the fastening metal fittings are inserted into both of the metal fitting insertion holes to connect the binding tool board and the binding tool board. The device is characterized in that it is configured to be assembled and fixed to the file mount and the top and cover plate.

In the above-mentioned file binding device, it is preferable to provide an engaging eaves portion for engaging the file mount on the opposite side of the guide eaves portion of the binding device substrate.

[Effect]

According to the file binding device of the present invention, the pin foot is made into a round bar shape, and the locking portions for the binding device body are formed into vertically spaced locking protrusions and a protruding portion protruding from the top. Sufficient strength of the foot portion can be ensured with a small diameter size, and at the same time, the lateral translation of the pin foot portion held by the binding device main body can be performed extremely smoothly. On the other hand, the binding device main body is separated into a binding device base plate and a binding device lid plate that slide and fit together, and has a slit on one binding device substrate that locks and guides the locking protrusion and the engagement protrusion. By providing the eaves and eaves, the main body of the binding device can be easily formed, and at the same time, by fixing the main body of the binding device holding the pin to the file mount from the front cover plate side of the binding device, assembly of the entire binding device is facilitated. can be completed at the same time. Therefore, spreads of magazines and the like that have been combined into files can be made very well, and the entire binding device can be produced and assembled easily and at low cost.

〔Example〕

Next, embodiments of the file binding device according to the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is an exploded perspective view showing an embodiment of the file binding device according to the present invention. FIG. 1a shows the binding tool board 30, FIG. 1b shows the binding tool front cover plate 32, and FIG. 1c shows the pin 34. configured to match.
The binding board 30 is made up of a rectangular plate 36, and is provided with an eaves part 38 at the top that extends perpendicularly to the rectangular plate 36.
The front part 38a of the eaves part 38 is configured as a guide part into which the upper end protrusion part of the pin 34, which will be described later, is inserted.
Further, the rear portion 38b of the eaves portion 38 is configured as an engaging portion for attachment to the file mount. In addition, the rectangular plate 36 has two parallel slits 4 in the upper and lower sides.
0 and 42, and a metal fitting insertion hole 44 for attaching to the file mount at the center of the lower part.
In addition, both side edges of the rectangular plate 36 are slide parts 46 and 48 that are slidably fitted to the binding cover plate 32, which will be described later.
Constructed as.

On the other hand, the binding tool front cover plate 32 is configured to surround one side of the binding tool board 30, and grooves 50, 52 are carved on both sides into which the sliding parts 46, 48 of the rectangular plate 36 are inserted. do. In addition, the binding front cover plate 3
The upper part of 2 is formed into a bulge so that the leg of a pin 34, which will be described later, can be slidably accommodated between the binding device base plate 30 and the binding device base plate 30. Furthermore, a metal fitting insertion hole 54 similar to the metal fitting insertion hole 44 provided in the binding device base plate 30 is bored in the lower center of the binding tool front cover plate 32.

The pin 34 has a round bar-shaped foot portion 56 extending in a U-shape from the flat main body, and slits 40 formed in the binding base plate 30 at the upper and lower portions of the foot portion 56. It has a structure in which locking protrusions 58 and 60 are provided in correspondence with the locking projections 42.

Next, the operation for assembling a file binding device by combining the binding device substrate 30 having the above structure, the binding device front cover plate 32, and the pins 34 will be explained. In addition, the binding tool board 30, the binding tool front cover plate 32, and the pin 34
are integrally molded using synthetic resin materials.

First, place the binding tool board 30 against the binding tool front cover plate 32,
The slide parts 46 and 48 are fitted into the grooves 50 and 52 and allowed to slide slightly. Next, a required number of pins 34 are placed on the binding device board 30 with their respective legs 56 aligned, and the upper end protrusion of the legs 56 is engaged with the guide portion 38a of the eaves section 38, and the locking protrusion 58 ,60
are fitted into the slits 40 and 42, respectively.
In this way, by sliding the binding device front cover plate 32 upward, the pin 34 can reliably hold its foot portion 56 between the binding device base plate 30 and the binding device front cover plate 32. (See Figures 2 and 3).
Therefore, as shown in FIG. 3, the file binding device assembled in this manner has the engaging portions 38b of the eaves portion 38 of the binding device base plate 30 engaged with the upper and lower ends of the file mount 62, respectively. , metal fitting insertion holes 44, 54
Insert the caulking metal fittings 64 etc. and attach the file mount 6.
It sticks to 2.

[Effect of idea]

As is clear from the embodiments described above, the file binding device according to the present invention positions a large number of pins with their legs aligned when slidingly fitting the binding device substrate and the binding device front cover plate. It can be easily integrated by simply Further, since the foot of the pin is formed into a round bar shape and has protrusions on the top and bottom, the pin has a relatively small diameter and is stable in terms of strength, and parallel movement is extremely smooth. For this reason, the binding member also has a configuration in which a slit that fits into the protrusion of the pin is provided, which not only simplifies the structure, but also reduces the diameter of the foot of the pin. The overall structure of the device can be made lighter and thinner, and the manufacturing cost can be significantly reduced, especially since the number of parts is reduced compared to conventional binding devices.

Although the preferred embodiments of the present invention have been described above, various improvements and changes can be made without departing from the spirit of the present invention.

[Brief explanation of the drawing]

1A to 1C are exploded perspective views of the file binding device according to the present invention, FIG. 2 is an explanatory diagram of the assembled state of the binding device shown in FIG. 1, and FIG. 3 is a longitudinal sectional view of the binding device of the present invention, Fourth
The figure is a longitudinal sectional view of a conventional file binding tool. 10...Pin, 12...Pin foot, 14...Notch, 16...Binding tool base, 18...Front side pin holding part, 20...Back side pin holding part, 22...Convex strip, 3
0... Binding tool board, 32... Binding tool front cover plate, 34...
Pin, 36...Rectangular plate, 38...Eave part, 40,4
2...Slit, 44...Metal fitting insertion hole, 46,4
8...Slide part, 50, 52...Groove, 54...
Metal fitting insertion hole, 56... Foot portion, 58, 60... Locking protrusion, 62... File mount, 64... Caulking metal fitting.

Claims (1)

[Claims for Utility Model Registration] (1) One end of the pin formed into a substantially U-shape is formed into a round bar shape to form a foot portion, and locking protrusions are provided at the top and bottom of the foot portion, respectively, and the top portion of the pin is formed into a round bar. A binding board having a protruding part formed therein, a slit into which the locking protrusion of the pin foot part is fitted, an eaves part guiding the top protruding part, and a metal fitting insertion hole bored therein, and a metal fitting of the binding part board. A metal fitting insertion hole communicating with the insertion hole and a binding front cover plate formed with a sliding groove on one side to be slidably fitted are provided, and a plurality of pins are provided between the binding implement base plate and the binding implement front cover plate. The pin foot portion is held slidably along the slit and eaves portion of the binding tool board through its locking protrusion and the top protrusion, and the fastening metal fittings are inserted into both of the metal fitting insertion holes and connected to the binding tool board. A file binding device configured to assemble and fix a binding device front cover plate to a file mount. (2) In the file binding device described in claim 1 of the utility model registration claim, the file binding device is provided with a retaining eaves portion for securing to the file mount on the opposite side of the guide eaves portion of the binding device substrate. Ingredients.