JP2000213509A - Sheet connecting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide connecting structure high in work efficiency without quality dispersion by composing a connector of a body part integrally provided with a pair of parallel leg parts inserted through eyes, and a connecting plate for connecting the base ends of the leg parts to each other, and slip-off preventing members fastened to the projecting ends of the leg parts inserted through the eyes. SOLUTION: A connector is formed of a combination of a body part 2 and a plurality of slip-off preventing members 3. The body part 2 is integrally provided with at least a pair of parallel cylindrical leg parts 4, 4 arranged at a specified space, and a connecting plate 5 for connecting the base ends of the leg parts 4, 4 to each other. The slip-off preventing member 3 is integrally formed of a synthetic resin with flexibility at a thin-walled part and provided with slits radially extended from a center hole. A sheet 14 with a belt 15 rigidly fixed thereto by sewing 16 or the like is provided with vertically communicating eyes 17 lined up at specified spaces. After inserting the legs 4, 4 through the adjacent eyes 17A, 17B, the slip-off stop members 3 are fitted in and fixed to the projecting ends of the respective legs 4, 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet connecting structure for connecting edges of sheet materials to each other when laying a net sheet or other sheet materials.

[0002]

2. Description of the Related Art Conventionally, there has been known a laying net construction method for laying a net (geo grit) on the ground in order to stabilize soft ground or steep embankment and stabilize the ground of a building or an airport runway. For example, a wide net sheet having a width of 10 m and a length of 30 m is used in which five rows of a strip-shaped net having a width of 2 m and a length of 30 m are used, and a band having a series of eye holes is attached to the edge of the net sheet. I have. Such a net sheet is laid on the ground at the site, and is connected by sequentially inserting ropes in zigzag fashion into eye holes at the edges of adjacent net sheets and tightening.

[0003]

In the prior art, the connecting work using the rope is performed manually by an operator, which is not only complicated and inefficient, but also requires labor due to heavy labor. In addition, there is a drawback that it is difficult to uniformly perform the tightening with the rope over the entirety and the quality varies.

[0004]

SUMMARY OF THE INVENTION The present invention provides a seat connecting structure which solves the above-mentioned problems. Therefore,
The present invention is configured as a first means, in a state where a large number of sheet materials provided with a large number of holes along the edges are laid, and the mutual edges of the sheet materials are connected through the holes. In the sheet connection structure of connecting the first and second members, the connecting member integrally includes at least a pair of parallel legs inserted into each of the adjacent eye holes and a connecting plate that connects the base ends of the legs to each other. And a retaining member fixed to the insertion end of the leg portion through a fixing means in a state where the leg portion is inserted through the eye hole.

[0005] Further, the present invention is configured as a second means, in a state where a large number of sheet materials provided with a large number of perforations along the edges are laid, and the mutual edges of the sheet materials are overlapped. In addition, in a sheet connecting structure in which the overlapped edges are connected to each other by a connecting tool through a pair of eye holes that vertically communicate with each other, the connecting tool has at least two sets of eyes adjacent to each other along the edge. A body member integrally provided with at least a pair of parallel legs inserted into each of the holes, and a connecting plate connecting the base ends of the legs with each other; And a retaining member which is fixed to the insertion end of the leg portion via the fixing means in a state where the leg is inserted.

Further, the present invention is configured as a third means in a state where a large number of sheet materials having a large number of perforations are laid along the edge portions, and the edge portions of the butted sheet materials are laid. In a sheet connecting structure for connecting a pair of eye holes corresponding to each other with a connecting tool, the connecting tool includes a pair of parallel legs inserted into each of the pair of eye holes, and a pair of leg portions. A main body member integrally provided with a connecting plate connecting the base ends to each other; a retaining member fixed to an insertion end of each leg through a fixing means in a state where each leg is inserted through each eye hole; And a combination of a member and a member.

Further, the present invention is configured as a fourth means in that a belt having first eye holes arranged in one edge portion is superimposed, and an outer edge of both side edges of the belt is formed of a sheet material. The sheet material is laid substantially parallel to the edge, the inner edge is fixed to the sheet material, and a large number of sheet materials having second eye holes are arranged along the other edge of the sheet material. In the sheet connecting structure for connecting the edges of the pair through eye holes by a connecting tool, the connecting tool integrally forms a pair of parallel legs and a connecting plate that connects the base ends of the pair of legs to each other. And a locking member fixed to the legs via fixing means; a connecting member is interposed between one edge of the sheet material and the belt, and The leg is inserted through the first eye hole from the inside, and the retaining member is fixed to the insertion end of the leg. By attaching a connecting member to the sheet material in advance, the legs of the connecting plate protruding from the belt of one sheet material among the laid adjacent sheet materials are inserted into the second eye holes of the other sheet material. At this point, the stopper is fixed to the insertion end of the leg.

[0008] In any of the first to fourth means, the connecting member may include a thin wall extending from the inside of the annular and rigid peripheral portion and having a substantially funnel shape toward the center hole. A claw is formed by forming a flexible bulging portion and dividing the bulging portion by a slit extending radially from the center hole; an axial gap is provided on the outer periphery of the leg portion of the main body member. It is preferable to form a multi-stage fixing means which removably engages with each other by the claw pieces of the retaining member and the peripheral grooves of the legs.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the drawings.

(Structure of the connecting member) As shown in FIG. 1, the connecting member 1 used in the present invention comprises a combination of a main body member 2 and a plurality of retaining members 3.

The main body member 2 includes at least a pair of parallel columnar legs 4, 4 arranged at a predetermined interval, and a connecting plate 5 for connecting the base ends of the legs 4, 4 to each other. It is preferable to form a rigid body integrally formed of a tough synthetic resin, but it may be made of metal. At this time, the leg portion 4 has circumferential grooves 6 arranged at intervals in the axial direction on the outer periphery. Preferably, the circumferential groove 6 is a spiral groove that is continuous on the outer peripheral surface of the leg 4.
May be constituted by a large number of annular grooves which form a large number of nodes on the outer peripheral surface of the. The tip of the leg 4 has a tapered portion 7 having a tapered shape.

The retaining member 3 is formed integrally with a tough but thin portion of a synthetic resin having flexibility, such as nylon resin, and is formed in a ring shape. A thin, flexible bulging portion 10 extending in a substantially funnel shape toward the center hole 9 while gradually reducing the diameter from the inside of the slab.
And are integrally provided. The swelling portion 10 forms a slit 11 extending radially from the center hole 9 and divides the swelling portion 10 in the circumferential direction by the slit to form a claw piece 12.

Then, as shown in FIG. 2A, when the leg 4 of the main body member 2 is fitted into the center hole 9 of the retaining member 3, the claw piece 12 and the circumferential groove 6 are detachably engaged with each other. The fixing means 13 to be combined is constituted. That is, when the bulging portion 4 is pushed into the center hole 9 with the funnel-shaped large-diameter portion of the bulging portion 10 facing the leg portion 4, the claw pieces 12 tapered in the pushing direction are pressed. Receives the bulging portion 4 and bends, thereby pushing and expanding the central hole 9, thereby allowing the bulging portion 4 to enter. And
After the center hole 9 is moved along the axial direction of the bulging portion 4 by pushing the retaining member 3, the retaining member 3 is stopped.
The claw piece 12 engages with the circumferential groove 6. Therefore, the fixing means 13 formed by the claw piece 12 of the retaining member 3 and the circumferential groove 6 of the leg 4.
Constitutes a multistage fixing means by the circumferential grooves 6 arranged at intervals. At this time, if the circumferential groove 6 is formed in a spiral shape, at least one of a plurality of (four in the illustrated example) claw pieces 12 at any position in the axial direction of the leg portion 4. Since 12 always engages with the circumferential groove 6, a so-called stepless fixing means is constituted. The claw piece 12 has a taper as described above, and when the retaining member 3 receives a force in the direction of being pulled out from the leg 4, the claw piece 12 faces in the direction of reducing the diameter of the center hole 9. Therefore, the retaining function of the retaining member 3 is achieved.

FIG. 2B shows another embodiment of the fixing means. After the leg 4 is inserted into the center hole 9 of the retaining member 3, a synthetic resin material is inserted at the insertion end of the leg 4. The fixing means 13a which functions to prevent the retaining member 3 from being removed from the leg portion 4 is formed by melting and forming the bulging portion 4a. Such a bulging portion 4a may be additionally provided for the leg portion 4 having the circumferential groove 6 as shown in FIGS. 1 and 2 (A). It is also possible to adopt a configuration in which the retaining member 3 is inserted into the leg 4 having a smooth outer peripheral surface without being provided.

(First Embodiment of the Seat Connection Structure) In the first embodiment of the seat connection structure shown in FIGS.
The sheet 14 typically constitutes a net (geogrit) used in the laying net method as described above, but may comprise various sheets such as a felt sheet or a rubber sheet having no mesh.

In the case of the illustrated example, the sheet 14 has a belt 15 fixed along the peripheral edge thereof by welding or the like, and is provided at predetermined intervals, preferably at equal intervals, in the longitudinal direction of the belt 15, and 17 are arranged. The eye 17 is the belt 1
5 is formed by opening a hole, and it is preferable to reinforce the hole with an eyelet member.

In such a configuration, when laying a large number of the sheet materials 14, the adjacent sheet materials 14,
When the belts 15, 15 at the edges of the belts 15 and 15 are superimposed, the eye holes 17, 17 of the superposed belts 15, 15 are vertically communicated.

Therefore, at least two sets of eye holes adjacent to each other along the belts 15 and 15 (one set of eye holes vertically connected in FIG. 3 is denoted by reference numeral 17A, and another set of eye holes adjacent thereto is another set of eye holes). Are indicated by reference numeral 17B), each of the legs 4, 4 of the connecting plate 5 is inserted therethrough.
The retaining member 3 is fitted into the insertion end of each leg 4 and is secured in a retaining shape via the securing means 13 described above.
A pair of sheet materials 14 and 1 laid as shown in FIG.
4 are connected.

Therefore, at the time of the connecting operation, at least two sets of eye holes 17A, 17
B can be connected all at once, the work efficiency over the entire length of the edge of the sheet material 14 is extremely high, and the eyelets of each set can be connected as desired without causing any variation in quality. In the case of the example shown in the figure, two legs 4 and 4 and two retaining members 3 and 3 are provided on the connecting member 1, but three or more legs and three or more retaining members are provided on one connecting member 1. A member may be provided to connect three or more sets of adjacent eyelets at a time.

FIG. 4B shows another embodiment of the connecting structure in which the working efficiency is further improved. In the connecting tool 1, the main body member 2 is temporarily fixed to one sheet member 14 in advance. .
For example, in the case of a rectangular sheet material 14, the connecting tools 1 are temporarily fixed in a line in advance along one of two opposing sides. That is, each of the legs 4, 4 of the connecting plate 5 is inserted into at least two pairs of adjacent holes in the holes 17 arranged in the belt 15 of one sheet material 14, and The retaining member 13 is temporarily fixed by fitting. At this time, the retaining member 13 is provided with two temporary retaining members 3a and a final retaining member 3b for one leg 4, and the above-mentioned temporary retaining members 3a are provided by the temporary retaining member 3a. Perform such temporary fixing. In addition, the retaining member 3 for temporary fixing
a and the retaining member 3b for final fixing have the same configuration, and are arbitrarily selected from a large number of molded retaining members 13.

As described above, if the temporary fixing of the main body member 2 to one sheet material 14 is performed in advance in a factory or the like before shipping, the sheet laid on the ground or the like at the site where the sheet material 14 is supplied is provided. Since the connecting member 1 is temporarily fixed to a predetermined portion of the material 14 in advance, the connecting operation can be performed more efficiently. That is, when laying a large number of sheet materials 14 at the site, the belt 15 to which the connecting member 1 is temporarily fixed in advance is arranged on the lower side of the edge of one sheet material 14 and the other sheet material is The belt 15 on which the connecting member is not temporarily fixed is overlapped from above, and the eye hole 17 is inserted through the leg portion 4 so that the belt 15 is overlaid on the retaining member 3a for temporary fixing. To place.

After the eye holes 17 of the upper belt 15 are inserted into the legs 4 of the body member 2 of the connecting member, the retaining member 3b for final fixing is moved from above the upper belt 15 to the legs. 4 and may be fixed.

The retaining member 3b for final fastening may be appropriately taken out from a predetermined number of bags and the like in advance and used.
Alternatively, it is configured so that the retaining member 3b is detachably attached to the tip of the leg portion 4 of the connector 1 temporarily fixed in advance, and the retaining member 3b is removed at the site, and then is fitted to the leg portion 4 again. Is also good.

When the retaining member 3b for final fixing is previously fitted to the distal end of the leg 4 of the connector 1, a pair of sheet materials 1
When laying down 4 and 14 and connecting them together, the retaining member 3b must be once removed from the leg 4, but the retaining member 3b can be removed from the leg 4 if it is strongly pulled out,
Further, according to the embodiment in which the circumferential groove 6 is formed in a spiral shape as described above, the claw piece 12 is kept engaged with the circumferential groove 6 by rotating the retaining member 3b on the circumferential surface of the leg portion 4. The retaining member 3 b can be retracted in the form of a screw and pulled out from the tip of the leg 4.

(Second Embodiment of Sheet Connection Structure) In the second embodiment of the sheet connection structure shown in FIGS. 5 and 6, the sheet 14 is typically used for the above-described laying net method. Make a net (geogrit)
Various sheets such as a felt sheet and a rubber sheet having no mesh may be formed.

The rectangular sheet material 14 is formed by overlapping a belt 15 on an edge along one of two opposite sides, and an outer edge 15a of both side edges 15a and 15b of the belt 15.
a is extended substantially parallel to the edge of the sheet material 14, leaving a protrusion margin 14a, and the inner edge 15b is fixed to the sheet material 14 by adhesion or the like.
5 a is configured to be turned over the sheet material 14. The belt 15 has first eye holes 17a arranged in rows at predetermined intervals, preferably at equal intervals, in the longitudinal direction. The first eye hole 17a is formed by opening a hole in the belt 15, and it is preferable that the hole be reinforced by an eyelet member. The sheet material 14 is a belt 15 out of two opposite sides.
On the other side opposite to the one side provided with, a connecting edge portion 14b not provided with a belt is formed, and the connecting edge portion 14b is provided with a second eye hole 17b in line. The interval pitch of the holes 17b is configured to be equal to the interval pitch of the first eye holes 17a in the belt 15. In addition, this second eye hole 17b
It is also preferable to reinforce with eyelet members.

In such a configuration, when laying a large number of sheet materials 14, one of the adjacent sheet materials 14
Connecting edge 1 of the other sheet material 14 on the protrusion allowance 14a
4b, the belt 15 and the connecting edge 14b of the adjacent sheet members 14, 14 abut each other to form a set 17U of eye holes in which the first eye holes 17a and the second eye holes 17b correspond to each other. Constitute.

Therefore, the connecting plate 5 of the main body member 2 of the connecting tool 1 is placed on the protrusion 14a, and one side of the connecting plate 5 is interposed between the protrusion 14a and the belt 15. The other side is interposed between the protrusion 14a and the connecting edge 14b, and the pair of legs 4, 4 are inserted into the first eye 17a and the second eye 17b of the pair 17U, respectively. afterwards,
The retaining members 3, 3 are fitted into and fixed to the insertion ends of the legs 4, 4, respectively.

Therefore, in the connecting operation, the belt 15 to which the adjacent sheet members 14 are abutted by one connecting tool 1 and the set 17U of the pair of the first eye holes 17a and the second eye holes 17b in the connecting edge portion 14b. Can be connected all at once, the work efficiency over the entire length of the edge of the sheet material 14 is extremely high, and the eye holes of each set can be reliably connected as desired without causing variation in quality.

As shown in FIG. 6, the configuration based on the second embodiment is achieved by attaching one side of the main body member 2 of the connector 1 to the belt 15 of one sheet material 14 in advance.
Further, work efficiency can be improved. That is, the protrusion 15a and the belt 15
One side portion of the main body member 2 is interposed therebetween, the leg portion 4 of the one side portion is inserted into the first eye hole 17a, and the retaining member 3 is fitted and fixed to the insertion end. Therefore, each connecting tool 1 exposes the other side of the main body member 2 on the projection margin 14a. If the attachment of the connector 1 to the belt 15 of the sheet material 14 is carried out in advance in a factory or the like before shipping, the sheet material 14 laid on the ground or the like at the site where the sheet material 14 is supplied is provided. , As described above, the protrusion allowance 14
a connecting edge 14 against the leg 4 exposed on the
It is only necessary to connect the second eye holes 17b of b, and the connection operation can be performed more efficiently.

That is, when a large number of sheet materials 14 are laid at the site, the connecting tool 1 is previously attached to the first eye holes 17a of the belt 15 of one sheet material 14.
The connection edge 14b of the other sheet material 14 is overlapped with the protrusion allowance 14a of the sheet material 14 from above, and the leg portion 4 is inserted into the second eye hole 17b of the connection edge 14b overlapped from above. After being squeezed, the retaining member 3 may be fitted and fixed to the leg 4 from above the connecting edge 14b.

The retaining member 3 for connecting the connecting edge portion 14b may be appropriately taken out from a predetermined number of bags packed in advance or used, or one of the legs 4, 4 of the connecting tool 1 may be used. A configuration may be adopted in which the retaining member 3 is detachably attached to the distal end portion, and the retaining member 3 is detached on site, and then is fitted to the leg portion 4 again.

When the retaining member 3 is previously fitted to the distal end of the leg 4 of the connector 1, the connecting edge 14b of the sheet material 14 is used.
Must be once removed from the leg portion 4 when the connection is made. However, the retaining member 3 can be removed from the leg portion 4 by strongly pulling it out.
According to the embodiment in which the claw pieces 12 are formed in a spiral shape by rotating the retaining member 3 on the peripheral surface of the leg portion 4,
The retaining member 3 can be retracted in the form of a screw and pulled out from the distal end of the leg portion 4 while engaging with.

[0034]

According to the prior art, when laying a large number of net sheets and other sheet materials, ropes are successively inserted in a zigzag manner into eye holes along the edges of adjacent sheet materials and tightened. According to the present invention, there is a problem that work is inefficient and heavy labor is required, and furthermore, there is a disadvantage that quality varies.
Adjacent edges of the sheet material can be connected very easily and easily, and the connection state is strong.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a connecting tool according to the present invention.

FIGS. 2A and 2B show a fixing means for fixing a leg portion of a main body member and a retaining member in a connecting tool, wherein FIG. 2A is a cross-sectional view showing a typical embodiment, and FIG. 2B is a cross-sectional view showing another embodiment. .

FIG. 3 is a perspective view showing a first embodiment of a seat connection structure according to the present invention.

FIG. 4 shows a connection method according to the first embodiment,
(A) is a sectional view showing a typical embodiment, and (B) is a sectional view showing another embodiment.

FIG. 5 is a perspective view showing a second embodiment of the seat connection structure according to the present invention.

FIG. 6 is a cross-sectional view illustrating a connection method according to a second embodiment.

DESCRIPTION OF SYMBOLS 1 Connecting device 2 Main body member 3 Preventing member 3a Preventing member for temporary fixing 3b Preventing member for final fixing 4 Leg 5 Connecting plate 6 Peripheral groove 8 Peripheral edge 9 Center hole 10 Swelling portion 11 Slit 12 Claw piece 13 Fixing means 14 Sheet material 14a Projection allowance 14b Connecting edge 15 Belt 17 Eye hole 17a First eye hole 17b Second eye hole

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[Procedure amendment]

[Submission date] November 2, 1999 (1999.11.
2)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0004

[Correction method] Change

[Correction contents]

[0004]

Means for Solving the Problems The present invention provides a seat connection structure that solves the above problems. Therefore, the present invention is configured as a first means in a state in which a large number of sheet materials 14 provided with a large number of eye holes 17 are laid along the edges, and the mutual edges of the sheet materials 14 are examined. Hole 1
In the sheet connection structure in which the connecting tool 1 is connected via the connecting tool 7, the connecting tool 1 is connected to at least one pair of parallel legs 4, 4 inserted into each of the adjacent eye holes 17, 17.
And a main body member 2 made of a synthetic resin integrally provided with a connecting plate 5 connecting the base ends of the legs 4 and 4 to each other; and the main body 2 with the legs 4 inserted through the eye holes 17. From the combination of the synthetic resin retaining member 3 fixed to the insertion end of the leg 4
The retaining member 3 is annular, thick and rigid.
The diameter gradually decreases from the inside of the peripheral part 8 of the
A thin flexible bulge 10 extending substantially funnel-shaped is formed in the opposite direction.
And the bulging portion 10 extends radially from the center hole 9.
The nail piece 12 is divided by the slit 11
Formed; the main body member 2 is axially spaced around the outer periphery of the leg portion 4.
Forming a number of annular circumferential grooves 6 spaced apart;
The leg 4 of the body member 2 is connected to the funnel-shaped diameter of the bulging portion 10 of the retaining member 3.
Push the claw piece 12 into the leg 4 while pushing it into the center hole 9 from the majority.
By moving in the axial direction and stopping, the stop position
Engage the claw piece 12 with the circumferential groove 6 selected by
There is the point made.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0005

[Correction method] Change

[Correction contents]

[0005] Further, the present invention is configured as a second means, in a state where a large number of sheet materials 14 provided with a large number of eye holes 17 along the edge portion are laid, In the sheet connecting structure in which the parts are connected by the connecting tool 1 through the eye holes 17, the connecting tool 1 is connected to the adjacent eye holes.
At least one pair of flats 17 and 17
Legs 4 and 4 and the base ends of the legs 4 and 4
Body made of synthetic resin integrally provided with a connecting plate 5 connected to the body
Material 2; with the leg 4 inserted through the eye hole 17;
Locking member 3 made of synthetic resin fixed to the insertion end of leg 4
The retaining member 3 is composed of a combination of
The diameter is gradually reduced from the inside of the annular, thick, and rigid peripheral portion 8.
Thin and flexible, extending in a funnel shape toward the central hole 9 with a diameter
The swelling portion 10 is formed, and the swelling portion 10 is
Divided by a slit 11 extending radially from 9
The body member 2 is formed by the
A continuous spiral groove 6 is formed on the outer periphery;
The leg 4 is moved from the large funnel-shaped portion of the bulging portion 10 of the retaining member 3 to the middle.
While pushing it into the mandrel 9, the claw piece 12 is moved in the axial direction of the leg 4.
By moving and stopping, the claw faces the stop position.
The point is that the piece 12 is engaged with the circumferential groove 6 .

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Deleted

[Procedure amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Deleted

[Procedure amendment 6]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Deleted

[Procedure amendment 7]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction contents]

Therefore, as shown in FIG. 2A, when the leg 4 of the main body member 2 is fitted into the center hole 9 of the retaining member 3, the claw inside the annular, thick, and rigid peripheral portion 8 is formed. The piece 12 and the peripheral groove 6 of the leg 4 constitute a fixing means 13 in which the piece 12 is detachably engaged with each other. That is, with the funnel-shaped large diameter portion of the bulging portion 10 facing the leg portion 4, the leg portion 4 is
Pushed in, the claw pieces 12 formed to taper toward the pushing direction push the central hole 9 by flexing receiving legs 4, it makes it possible the entry of the legs 4. After the center hole 9 is moved in the axial direction of the leg 4 by pushing the retaining member 3, when the retaining member 3 is stopped, the claw piece 12 is engaged with the circumferential groove 6 facing the stop position . Therefore, the fixing means 13 formed by the claw piece 12 of the retaining member 3 and the peripheral groove 6 of the leg 4 constitutes a multi-stage fixing means by the peripheral grooves 6 arranged at intervals. At this time, if the circumferential groove 6 is formed in a spiral shape, at least one of a plurality of (four in the illustrated example) claw pieces 12 at any position in the axial direction of the leg portion 4. Since 12 always engages with the circumferential groove 6, a so-called stepless fixing means is constituted. And nail piece 1
2 is tapered as described above, and the retaining member 3
Receives the force in the direction in which it is pulled out from the leg 4,
2 faces the direction in which the diameter of the center hole 9 is reduced, so that the function of the retaining member 3 is achieved.

[Procedure amendment 8]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction contents]

FIG. 2B shows another embodiment of the fixing means. After the leg 4 is inserted into the center hole 9 of the retaining member 3, a synthetic resin material is inserted at the insertion end of the leg 4. The fixing means 13a which functions to prevent the retaining member 3 from being removed from the leg portion 4 is formed by melting and forming the bulging portion 4a. Such bulge 4a is additionally real against leg 4 having a circumferential groove 6 as shown in FIGS. 1 and 2 (A)
It should be applied . ────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] March 22, 2000 (200.3.2)
2)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0004

[Correction method] Change

[Correction contents]

[0004]

Means for Solving the Problems The present invention provides a seat connection structure that solves the above problems. Therefore, the present invention is configured as a first means in a state in which a large number of sheet materials 14 provided with a large number of eye holes 17 are laid along the edges, and the mutual edges of the sheet materials 14 are examined. Hole 1
In the sheet connection structure in which the connecting tool 1 is connected via the connecting tool 7, the connecting tool 1 is connected to at least one pair of parallel legs 4, 4 inserted into each of the adjacent eye holes 17, 17.
And a main body member 2 made of a synthetic resin integrally provided with a connecting plate 5 connecting the base ends of the legs 4 and 4 to each other; and the main body 2 with the legs 4 inserted through the eye holes 17. And a locking member 3 made of synthetic resin fixed to the insertion end of the leg 4. The locking member 3 gradually increases in diameter from the inside of the annular, thick, and rigid peripheral portion 8. A thin flexible bulging portion 10 extending in a funnel shape is formed so as to decrease in diameter and protrude from the peripheral portion 8 toward the center hole 9, and the bulging portion 10 extends radially from the center hole 9. The nail member 12 is formed by dividing the main body member 2 by the slit 11.
Form a large number of annular circumferential grooves 6 arranged at intervals in the axial direction on the outer periphery of the leg portion 4; By pushing the tab 12 into the center hole 9 and moving the tab 12 in the axial direction of the leg 4 to stop the tab 12 so that the tab 12 is engaged with the circumferential groove 6 selected by the stop position. is there.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0005

[Correction method] Change

[Correction contents]

[0005] Further, the present invention is configured as a second means, in a state where a large number of sheet materials 14 provided with a large number of eye holes 17 along the edge portion are laid, In the sheet connection structure in which the parts are connected by the connecting tool 1 through the eye holes 17, the connecting tool 1 includes at least a pair of parallel legs 4, 4 inserted into the adjacent eye holes 17, 17, respectively. A synthetic resin main body member 2 integrally provided with a connecting plate 5 connecting the base ends of the legs 4 and 4 to each other; and the legs 4 in a state where the legs 4 are inserted through eye holes 17. 4. A retaining member 3 made of synthetic resin and fixed to the insertion end of 4.
The retaining member 3 is composed of a combination of
A thin, flexible bulge extending substantially funnel-shaped so as to gradually decrease in diameter from the inside of the annular, thick, and rigid peripheral edge portion 8 and project toward the center hole 9 from the peripheral edge portion 8. A claw piece 12 is formed by forming a portion 10 and dividing the bulging portion 10 by a slit 11 extending radially from the center hole 9; the main body member 2 is formed in a spiral shape continuous with the outer periphery of the leg portion 4. The peripheral groove 6 is formed; the leg 4 of the main body member 2 is pushed into the center hole 9 from the large funnel-shaped portion of the bulging portion 10 of the retaining member 3 and the claw piece 12 is moved in the axial direction of the leg 4. The point is that the pawl piece 12 is engaged with the circumferential groove 6 by facing the stop position.

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Masatoshi Tanaka 12-23 Miyamachi, Izumiotsu-shi, Osaka F-term (reference) 3J001 AA01 CA01 DA00 DC04 DE06 EA00

Claims (5)

[Claims] 1. A sheet connecting structure in which a plurality of sheet materials having a plurality of eye holes provided along an edge portion are laid, and the mutual edges of the sheet materials are connected by a connecting tool through the eye holes. A body member integrally provided with at least a pair of parallel legs inserted into each of the adjacent eye holes, and a connection plate connecting base ends of the legs to each other; A locking member fixed to the insertion end of the leg portion via fixing means in a state where the leg portion is inserted through the eye hole. 2. A state in which a large number of sheet materials provided with a large number of perforations are laid along the edges, and the edges of the sheet materials are superimposed on each other, and the superimposed edges are vertically arranged with respect to each other. In a sheet connection structure connected by a connector through a pair of communicating eyes, at least one pair of parallel legs, wherein the connector is inserted into at least two sets of eyes adjacent to each other along an edge. And a main body member integrally provided with a connecting plate connecting the base ends of the legs to each other; and connecting the legs to the insertion ends of the legs in a state where the legs are inserted through the eye holes of each set. And a retaining member fixed via fixing means. 3. A state in which a large number of sheet materials provided with a large number of eye holes are laid along an edge portion, and a pair of eye holes corresponding to the abutted edge portions of the sheet material are connected by a connector. In the sheet connection structure for connection, the connection tool integrally includes a pair of parallel legs inserted into each of the pair of eye holes, and a connection plate that connects the base ends of the pair of legs to each other. And a retaining member fixed to the insertion end of each leg through fixing means in a state where each leg is inserted through each eye hole. Connection structure. 4. A belt in which a first eye hole is arranged at one edge portion is overlapped, and an outer edge of both side edges of the belt is substantially parallel to an edge of the sheet material, and an inner edge is a sheet material. In the state where many sheets of the sheet material having the second eye holes arranged in line along the other edge of the sheet material are laid, the mutual edges of the sheet materials are connected by the connector through the eye holes. A main body member integrally provided with a pair of parallel legs, and a connecting plate that connects the base ends of the pair of legs to each other; a fixing means to the legs; A stopper member fixed through the belt; a connector is interposed between one edge of the sheet material and the belt, and the leg is inserted through the first eye hole from the inside of the belt; By fixing a retaining member to the insertion end of the leg,
A connecting member is attached to the sheet material in advance, and legs of the connecting plate protruding from the belt of one sheet material among the laid adjacent sheet materials are inserted through the second eye holes of the other sheet material. A seat connection structure comprising a retaining member fixed to an insertion end of a leg portion. 5. The connecting member forms a thin flexible bulging portion on the retaining member, which gradually reduces in diameter from the inside of the annular and rigid peripheral portion and extends substantially in a funnel shape toward the center hole. Forming a claw piece by dividing the bulging portion by a slit extending radially from the center hole; and forming circumferential grooves arranged at intervals in the axial direction on the outer periphery of the legs of the main body member; 5. The seat connection structure according to claim 1, wherein the claw piece of the retaining member and the peripheral groove of the leg portion constitute a multi-stage fixing means which is detachably engaged with each other. .