JP2003170689A - File - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a file prevented from obstruction of strength at the time of general use and constituted so as to be easily disassembled into a cover and a binder at the time of disposal. <P>SOLUTION: The binder is firmly fixed to the cover by a fastener constituted of a locking member, which has an expanded head part, a neck part having a through-hole therein and the resilient locking part formed to the outer periphery of the neck part and bent into the through-hole to be resiliently locked with the opening part of the through-hole and released from the through-hole, and the lock member capable of being inserted into/separated from the through- hole and keeping the locked state of the resilient locking part by insertion and capable of releasing the locked state by separation. By this constitution, the binder is firmly fixed to the cover usually and, only by releasing the locking with the locking member by separating the lock member at the time of disassembling, the cover and the binder are easily separated. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a file in which a binding device that is superposed on a cover is fixed by a fastener.

[0002]

2. Description of the Related Art By forming a plurality of holes at a specified pitch on one edge of a piece of paper and inserting a pipe forming body into the holes,
A pipe-type file that allows a large number of pieces of paper to be bound together is generally used for organizing documents.

On the other hand, in recent years, as the momentum of resource reuse has increased, the separate collection of resource waste tends to become more thorough, and the pipe file is no exception, and the binding tools made of different materials are used. It is desired that the part and the cover part can be easily separated.

[0004]

However, the bond strength between the cover and the binding tool during normal use and the ease of disassembling the cover and binding tool at the time of disposal are mutually opposite characteristics, and both are compatible. This is extremely difficult to do.

The present invention solves the problems imposed on the prior art, that is, disassembling becomes difficult when the strength during normal use is emphasized, and strength tends to be insufficient when the disassembly is emphasized. However, it is an object of the present invention to provide a file configured so that the cover and the binding tool can be more easily disassembled at the time of disposal without impairing the strength during normal use.

[0006]

In order to achieve such an object, the file according to the present invention is such that the fastener is provided with a fastener for fixing the binding tool which is superposed on the cover sheet.
A head portion, a neck portion having a through hole inside, and an elastic engagement portion formed on the outer periphery of the neck portion and flexed inward of the through hole to elastically engage / disengage with the opening portion of the hole. And a lock member that can be inserted into / released from the through hole and that prohibits the engagement state of the elastic engaging portion from being released by being inserted into the through hole. And the neck portion of the engaging member is penetrated from one side to the other through the holes formed in the cover and the binding device that are overlapped with each other, and the elastic engagement portion is provided on the cover or the binding device. The lock member is inserted into the through hole of the engaging member with the cover and the binding device sandwiched between the expanding portion and the elastic engaging portion by engaging with the opening of the hole. By doing so, the binding tool is firmly attached to the cover. It was assumed to be. Here, the lock member may be inserted into the through hole from a side opposite to the expanding head, or may be inserted into the through hole from the expanding head side. Further, if the locking member is elastically engaged with the engaging member, a moderation feeling can be obtained at the time of assembly and a desired coupling strength can be easily obtained.

[0007]

DETAILED DESCRIPTION OF THE INVENTION The configuration of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 shows a first embodiment of a pipe type file to which the present invention is applied. This pipe-type file is composed of a cover 1 which is a thick paper covered with vinyl leather, and a binding tool 2 which is made of a metal material.
Are fixed to the inner surface of the spine cover 1a using a plurality of fasteners 3.

The fastener 3 is, as shown in FIGS. 2 and 3,
The engaging member 4 and the locking member 5 for maintaining the engaged state of the engaging member 4 are provided. Engaging member 4
Is a head 4a, a neck 4b, a head 4a and a neck 4
a through hole 4c penetrating through b and a through hole 4 which will be described later.
It is composed of a plurality of axial slits 4d formed in the neck portion 4b so as to be easily bent inward, and an elastic engagement portion 4e formed on the outer periphery of the neck portion 4b on the free end side. The lock member 5 is composed of a widened portion 5a and a neck portion 5b having a shape for filling the through hole 4c so as to be inserted into the through hole 4c of the engaging member 4. The through hole 4c and the neck portion 5b are formed with a taper at an intermediate portion thereof so that rattling does not occur even if there is a dimensional error.

On the other hand, a plurality of holes 7 and 8 having substantially the same diameter as the neck portion 4b are formed in the binding device 2 and the back cover 1a so that the neck portion 4b of the engaging member 4 can be inserted therethrough. In addition, the upper and lower ends of the base portion 2a of the binding tool 2 are formed with presser portions 9 by press molding so that the tip of a flat-blade screwdriver can be inserted, for example. As a result, part of the upper and lower ends of the base portion 2a is lifted from the inner surface of the spine cover 1a.

Next, the procedure for fixing the cover 1 and the binding tool 2 will be described. First, the cover sheet 1 and the binding tool 2 are overlapped so that the corresponding holes 7 and 8 are aligned, and the neck portion 4b of the engaging member 4 is inserted through the holes 7 and 8 from the spine cover 1a side.
The elastic engagement portion 4e is engaged with the opening 7a of the hole 7 of the binding tool 2, and the cover 1 and the binding tool 2 are sandwiched between the expansion head 4a and the elastic engagement portion 4e. And And
By inserting the neck portion 5b of the lock member 5 into the through hole 4c from the side of the engaging member 4 which is opposite to the expanding portion 4a,
The elastic engagement portion 4e cannot be reduced in diameter. As a result, the release of the engaged state of the engagement member 4 is prohibited (prevention of removal).

Here, the opening 7a of the hole 7 has a recess 2 having substantially the same diameter as the expanded head 5a slightly recessed from the surface of the binding device 2.
It is provided in b. As a result, the expanded head 5a is recessed
The lock member 5 is prevented from coming off by slidingly contacting the side wall of b.

Next, the procedure for disassembling the cover 1 and the binding tool 2 will be described. First, as shown by the arrow, the tip 5c of the neck portion 5b of the lock member 5 is pressed from the side opposite to the expanding portion 4a to disengage the lock member 5 from the engaging member 4. And
For example, by inserting the tip of a flat-blade screwdriver from the raising portion 9 between the base portion 2a of the binding tool 2 and the spine cover 1a, and digging, the elastic engagement portion 4e is bent inwardly through the through hole 4c to form the opening portion 7a. The engagement state with is released and the engaging member 4 is dropped from the holes 7 and 8. As a result, the cover sheet 1 and the binding tool 2 can be disassembled.

FIG. 4 shows a modification of the first embodiment.
It shows that the present invention is applied to a ring file.
In this case, the shape of the binding tool 2 is different from that of the above-described configuration, and is the same as that of the first embodiment except that the engagement member 4 and the lock member 5 are long.

FIG. 5 is a sectional view similar to FIG. 2 showing a second embodiment of a pipe type file to which the present invention is applied. The same parts as those in the first embodiment are designated by the same reference numerals. ,
Detailed description thereof will be omitted. In this configuration, the engaging member 14
The neck portion 15b of the lock member 15 is inserted from the side of the expanded head 14a. With this structure, the assembly can be performed from one direction, and the workability thereof is improved.
At the time of disassembly, the tip end 15c of the neck portion 15b of the lock member 15 is pressed from the side of the expanded head 14a as indicated by the arrow, and the lock member 15 is disengaged from the engagement member 14.

Further, an engaging protrusion 14f is formed in the through hole 14c of the engaging member 14, and the engaging recess 15 is formed in a portion of the outer periphery of the neck portion 15b of the lock member 15 corresponding to the engaging protrusion 14f.
d is formed. When the neck portion 15b of the lock member 15 is inserted into the through hole 14c, the engagement protrusion 14f and the engagement recess 15d are inserted.
And are to be engaged sporadically. As a result, the lock member 15 is pressed until a moderation feeling is obtained during assembly.
It suffices to insert the neck portion 15b into the through hole 14c, which improves the ease of assembly work. Also, the lock member 15
The lock member 15 can be prevented from slipping off because the lock member 15 is moderately coupled to the engagement member 14. The other structure is the same as that of the first embodiment.

[0017]

As described above, according to the present invention,
An engagement member having a neck portion having a through hole inside, and an elastic engagement portion formed on the outer periphery of the neck portion and flexibly inwardly of the through hole to elastically engage / disengage with the opening portion of the hole. , A lock member that can be inserted into / disengaged from the through hole, maintains the engaged state of the elastic engagement portion by inserting into the through hole, and easily releases the engaged state by releasing the elastic engagement portion. By fixing the binding to the cover using the fastener, the binding is usually firmly fixed to the cover, and when disassembled, the lock member is disengaged so that it can be released easily. The cover and the binding tool can be easily separated only by releasing the engagement of the members. Moreover, there is no need to change the binding tool and the cover itself, and the step of attaching the binding tool to the cover is simplified, so there is almost no effect on the manufacturing cost.

[Brief description of drawings]

FIG. 1 is a perspective view of essential parts of a first embodiment of a pipe type file to which the present invention is applied.

FIG. 2 is an enlarged perspective view of a portion for fixing a binding tool on a cover sheet.

FIG. 3 is an enlarged sectional view taken along line III-III in FIG.

FIG. 4 is an enlarged cross-sectional view similar to FIG. 2 of a portion for fixing a binding tool to a cover of a ring file showing a modified example of the first embodiment of the present invention.

FIG. 5 is an enlarged cross-sectional view similar to FIG. 2 of a portion for fixing a binding tool to a cover of a pipe type file according to a second embodiment of the present invention.

[Explanation of symbols]

1 cover 1a spine cover 2 binding tools 2a Base part 2b recess 3 fasteners 4 Engagement member 4a Head expansion 4b neck 4c through hole 4d axial slit 4e Elastic engagement part 5 Lock member 5a Head expansion 5b neck 5c tip 7, 8 holes 7a opening 9 cause 14 Engagement member 14a Head expansion 14b neck 14c through hole 14d axial slit 14e Elastic engagement part 14f Engagement protrusion 15 Lock member 15a Head expansion 15b neck 15c tip 15d engaging recess

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Mikio Nezu             1 184 Maioka-cho, Totsuka-ku, Yokohama-shi, Kanagawa             Nifco Co., Ltd. F-term (reference) 2C017 UD11 UE03                 3J037 AA02 BB04 DA02 DA12 DB01                       DC05

Claims (4)

[Claims] 1. A file comprising a binding device fixed to a cover sheet with fasteners, wherein the fasteners have an expanded head portion and a neck portion having a through hole therein.
An engaging member that is formed on the outer periphery of the neck portion and that has an elastic engaging portion that flexes inward of the through hole and elastically engages / disengages with the opening of the hole, and is inserted into the through hole. And a lock member that is detachable and prohibits the engagement state of the elastic engagement portion from being released by being inserted into the through hole. The neck portions of the engagement member are overlapped with each other. The expansion by penetrating from one to the other through holes formed in the cover and the binding tool that are aligned and engaging the elastic engagement portion with the opening of the hole of the cover or the binding tool. The lock member is inserted into the through hole of the engaging member with the cover sheet and the binding tool sandwiched between the elastic member and the elastic engagement portion, and the binding tool is fixed to the cover sheet. Phi characterized by being . 2. The file according to claim 1, wherein the lock member is inserted into the through hole from a side opposite to the expanding portion. 3. The file according to claim 1, wherein the lock member is inserted into the through hole from the side of the head that is expanded. 4. The file according to claim 1, wherein the lock member is elastically engaged with the engagement member.