JP3240228B2 - Tatami corner stop device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tatami corner stop device.

[0002]

2. Description of the Related Art As shown in FIG. 5, a tatami mat 12 is placed on a tatami mat floor 11, and both ends of the tatami mat table 12 are sewn to a machi 11a of the tatami mat 11, and then attached to the side edges of the tatami mat 12 as shown in FIG. Edge cloth 1
3 and the lower edge paper 14 are sequentially stacked and fixed by flat sewn sewing. Then, the edge cloth 13 and the lower edge paper 14 are folded back 180 degrees along the flat sewn seam 15 to form an inner fold 13a.
1 (see FIG. 1), the edge cloth 13 is exposed, and the portion 13p (see FIG. 5) where the edge cloth 13 and the underlaying paper 14 protrude outward from the edge of the tatami floor 11 is tatami floor. 11 is bent downward by about 90 degrees along the edge of 11 to form an outer crease 13b (see FIG. 1), and then the edge cloth 13 and the edge paper 14 protrude in the lengthwise direction from the machi 11a of the tatami floor 11. It is manufactured by bending the portion 13c downward to be corner-fixed to the end or lower surface of the tatami floor 11 at the corner or the lower surface, and further fixing the above-mentioned edge cloth 13a and the lower edge paper which overlap the side surface of the tatami floor 11 by reverse stitching. Conventionally, a series of operations from folding back the sewn edge cloth and the lower edge paper to the corners of the longitudinal edges of the edge cloth and the lower edge paper at the corner end of the tatami floor are manually performed. I was working.

[0003]

During a series of operations from the folding of the edge cloth and the paper under the margin after the flat stab to the corner stop, the longitudinal ends of the edge cloth and the paper under the margin are folded along the gusset. In order to abolish the manual work of bending and cornering, in the width direction outward of the longitudinal end of the tatami floor support base in the width direction toward the front of the tatami floor machichi fixed to the above tatami floor support base An edge cloth pusher having a sloping edge which is inclined forward and downward in a plane substantially parallel to the plane of the kerchief, and which is fixed to the edge of the tatami floor and extends in the length direction; Along with holding the end of the portion in a folded shape with an edge cloth chuck, advance the edge cloth pushing tool and push the machichi side hanging part of the rim cloth protrusion along the front surface of the machi with the inclined edge thereof, Thereafter, the above-mentioned edge cloth chuck is swiveled downward of the kerchie and the above-mentioned edge cloth protrusion is made. The superimposed on the rail and tatami floor surface,
There has been proposed a corner fixing device in which a staple is fixed by driving with a tucker (see Japanese Patent Application Nos. 4-275358 and 5-136691).

The present invention makes it possible to mechanize the lengthwise ends of the above-mentioned edge cloth and under-edge paper along a gusset and to perform cornering in the same manner as in the above-mentioned prior application, and It is a simplified structure of the edge cloth pushing tool in the invention of the application.

[0005]

The tatami corner stop device of the present invention (see FIG. 1) fixes a tatami floor 11 on which an edge cloth 13 is mounted on a tatami floor support (not shown). Edge cloth protruding portion 1 extending in the length direction from the machichi 11a of the tatami floor 11
3c is bent below the tatami floor 11 and the edge cloth projection 13c is bent.
In the corner stop device of a tatami mat, which is fixed to the tatami floor 11 by driving staples 45, a push lever 21 which can swing in the width direction is provided on the outside in the width direction of the longitudinal end of the tatami floor support base, The push lever 21 is moved from the standby position on the tatami floor 11 outside the width direction of the
The swinging member is swung toward the front side of a, and the hanging portion of the rim cloth projecting portion 13c is pushed along the front surface of the machichi 11a.

The pushing lever 21 may be in contact with the entire width of the hanging portion below the outer fold 13b of the marginal cloth protruding portion 13c, may be in contact with a part of the hanging portion, and may be in a straight line or in a straight line. May be bent in the shape of "". The edge cloth 13 of the pushing lever 21 is also provided.
A non-slip can be provided, for example, by forming a saw-toothed unevenness in a portion in contact with the surface. The corner stop staple 45 may be hit on either the corner 11a or the lower corner of the tatami floor 11, or on both the corner 11a and the lower corner.

Further, instead of the above-mentioned pushing lever 21,
The tatami floor 11 is provided on the outer side in the width direction of the longitudinal end of the tatami floor support base.
A push member 23 (see FIG. 4) that swings obliquely below the upper corner of the machi 11a along the front surface of the machi 11a is provided, and the push member 23 is placed on the tatami floor 11 at a standby position outside the width of the machi 11a in the width direction. Swinging toward the front side of the machichi 11a from above, and the hanging part of the
It can be pushed along the front of 1a.

[0008]

In FIG. 1, after the tatami floor 11 to which the hem cloth 13 and the lower margin paper (not shown) are fixed by stabbing is fixed on a tatami floor support stand (not shown), the rim cloth protrudes. When the pressing lever 21 is swung in the direction of arrow P from the standby position shown in the figure toward the end of the gusset of the tatami floor 11 when the portion 13c is held by the edge cloth chuck 31, the lower portion of the pressing lever 21 Of the edge cloth 13 and the hanging portion of the edge paper are pushed in. That is, the chain line 13 in FIG.
The triangular portion sandwiched between d and 13e is bent so as to be in contact with the gusset 11a.

Next, the edge cloth chuck 31 is connected to the
Is turned downward (in the direction of arrow C) so that the edge cloth 13 and the lower edge paper are overlapped on the end of the kerchief, and the pushing lever 21 is returned to the standby position. When the staple tucker 42 facing the lower surface of the floor is operated, the staple 45 is hit on the machi 11a or the lower surface corner of the tatami floor 11, and the edge cloth 13 and the lower edge paper are fixed to complete the corner stopper (FIG. 2). reference).

When the pushing member 23 as shown in FIG. 4 is used, the pushing member 23 is obliquely downwardly directed from the standby position shown in the figure toward the end of the machichi of the tatami floor 11 (arrow Q).
In this case, the upper surface of the pushing member 23 pushes the hanging portion of the edge cloth 13 and the lower margin paper in the same manner as described above. In this case, when the upper edge of the pushing member 23 is slid along an approximately 45-degree inclined line (the oblique chain line 13e in FIG. 1) passing through the upper corner of the gusset 11a, a good fold is formed. In addition, as the pushing member 23,
Using a lever-shaped member having a fulcrum outside and below the end (lower right in FIG. 4), the tip of the lever-shaped member can be swung in the direction of arrow Q or along the above-mentioned inclined line 13e.

[0011]

In FIG. 1, a tatami floor 11 is provided with a tatami mat 12 attached to the surface thereof, and an edge cloth 13 is fixed along the edge of the tatami floor 11 with flat paper (not shown). It is placed horizontally on a table (not shown) and fixed.
And an outer fold 13b. In this embodiment, the outer fold 13 is formed at a portion (edge cloth protrusion) 13c where the edge cloth 13 protrudes from the couch 11a of the tatami floor 11.
Since b is not attached, the protruding portion 13c is inclined downward while spreading in a substantially flat shape.

The push lever 21 is vertically swung in the direction in which the gusset 11a of the tatami floor 11 is extended in the width direction (lower right in FIG. 1), and swings in the width direction with the support shaft 22 (see FIG. 3) at the upper end as a fulcrum. It is provided freely. This pushing lever 21
Is a straight rod-shaped member, which is rotated clockwise (in the direction of arrow P) by about 45 degrees from the standby position shown by driving an air cylinder (not shown), and at this time, the lower end portion projects The dashed lines 13d and 13 contact the base of the portion 13c.
e (see FIG. 1) to push the triangular portion sandwiched in the width direction. A non-slip can be provided at the lower portion of the front edge (the portion facing the edge cloth protruding portion 13c) of the pushing lever 21 by forming serrated irregularities or roughening the surface.

In this embodiment, the machi floor 1 on the tatami floor 11 is
A first chuck 25 is installed facing 1a. The first chuck 25 has a pair of upper and lower chuck plates 26 and 27 that can be opened and closed up and down toward the machi 11a,
Further, as shown by arrows A and B, the tatami floor 11 is formed so as to be able to advance and retreat in both the width direction and the length direction, and is provided with a servomotor (not shown) for the advance and retreat in the width direction and for the advance and retreat in the length direction. Air cylinders (not shown) are respectively connected. A rubber plate is adhered to the opposing surfaces of the chuck plates 26 and 27, the opposing surfaces are made uneven, and a plurality of needles are planted to increase friction with the edge cloth 13 so that the edge cloth is 13 can be prevented from slipping. The first chuck 25 is formed so as to be vertically swingable with respect to the widthwise support shaft, and when the edge cloth 13 is tensioned, the edge cloth 13 from the tatami floor 11 to the first chuck 25 is straightened. be able to.

An optical sensor 30 has its optical axis directed vertically downward above the middle of the first chuck 25 and the tatami floor 11, and the optical axis extends the inner fold 13a of the edge cloth 13 on the tatami floor 11. It is installed to cross the line. As shown in the figure, the optical sensor 30 causes the first chuck 25 to hold the end of the edge cloth 13 and moves the first chuck 25 in the width direction while keeping the edge cloth 13 in a tension state. 1
This is for stopping the first chuck 25 at a position where the inner fold 13a of the third protrusion 13c intersects the optical axis.

The side of the optical sensor 30 (lower right in FIG. 1)
The second chuck 31 is installed at the second position. This second chuck 3
1 is a fulcrum 33a, 34a at a width direction portion 32a of the L-shaped bracket 32 parallel to the machi 11a when viewed from above.
And a pair of upper and lower elongate chuck bars 33 and 34 rotatable in a range of about 90 degrees.
When the third and the third are closed, the protruding portion 13c of the edge cloth 13 is sandwiched in parallel with the width direction as shown by a chain line. However, the chuck bars 33 and 34 are opened and closed by driving of an air cylinder (not shown), and are elastic enough to pull out the edge cloth 13 when the edge cloth 13 is pulled when closed. Is to be clamped. In the lengthwise portion 32b orthogonal to the widthwise portion 32a of the L-shaped bracket 32, a widthwise support shaft 35 is provided so as to protrude outward, and the lengthwise portion 32b rotates around the support shaft 35. Is formed to be rotatable by air drive from a horizontal position to a downward position below (see arrow C) and to be able to advance and retreat in the length direction (see arrow D) by air drive.

On the other hand, a first staple tucker 41 for driving the corner fixing staples 45 into the camber 11a is provided above the first chuck 25 so as to be adjustable in height and to be able to advance and retreat toward the camber 11a. Further, a second staple tucker 42 for driving the same staple 45 for corner stop into the lower surface of the tatami floor 11 below the edge of the tatami floor 11 so as to be adjustable in height and to advance and retreat in the length direction of the tatami floor 11. It is installed freely.

In the above-mentioned structure, the first chuck 25 is closed to hold the end of the edge cloth projection 13c, and the first chuck 25 is moved away from the tatami floor 11 to move the edge cloth 1
After the first chuck 25 is tensioned, the first chuck 25 is moved right and left (in the direction of arrow A) to stop the first chuck 25 when the inner fold 13 a of the edge cloth 13 is located directly below the optical sensor 30. The inner fold 13a extending from the top to the tip of the edge cloth protrusion 13c is formed in a straight straight line.

Next, the second chuck 31 in the opened state is closed, and the edge cloth protrusion 13c is sandwiched between the first chuck 25 and the tatami floor 11 by the second chuck 31 (see a chain line). The first chuck 25 is opened, and the first chuck 25 is moved inward of the extension of the outer fold 13b. Thereafter, the first chuck 25 is closed again to re-clamp the tip of the edge cloth protrusion 13c. After the second chuck 31 is opened, the push lever 21 at the standby position is swung toward the end of the gusset 11a of the tatami floor 11, and the lower part of the outer fold 13b of the edge cloth protrusion 13c is moved to the chin 11
a along the front surface of a, so that the chain lines 13d, 1d
The triangular portion surrounded by 3e is superimposed on the machi 11a,
The remaining portion below the outer fold 13b is bent below the upper portion.

Next, the second chuck 31 is closed again, the edge cloth projection 13c is folded in two, and the first chuck 25 is opened. Then, the second chuck 31 is moved downward about the support shaft 35 by about 90 degrees. And turn the edge cloth protrusion 13c
a. Then, after returning the push lever 21 to the standby position, the second chuck 31 is moved along the lower surface of the tatami floor 11 in the direction of arrow E (see FIG. 2) while squeezing the edge cloth projecting portion 13c. The second chuck 31 is stopped just before the edge cloth protruding portion 13c comes out of the base 31.

Subsequently, the first staple tucker 41 and the second staple tucker 42 are driven, and staples 45 are driven into the end of the tatami mat 11 and the corners on the back side of the tatami mat 11 to fix the rim cloth projection 13c to the tatami mat floor 11. Then, the second chuck 31 is moved again along the lower surface of the tatami floor, and the second chuck 31 escapes from the edge cloth projection 13c to complete the cornering process.

In the above embodiment, the push lever 21 is formed in a straight rod shape. However, the push lever is formed in the shape of "", and its bent portion is outward (rightward in FIG. 3). ) From the top so as to face
When pushing in, the hanging part of the edge cloth may be pushed up. In addition, the support shaft 22 of the above-mentioned straight or "U" -shaped push lever 21 can be provided below.

In the embodiment described above, the other end of the push lever 21 supporting one end swings substantially in the width direction. In the embodiment shown in FIG. A rod-like pushing member 23 parallel to an approximately 45-degree inclined line passing therethrough
Is provided so as to be swingable in the direction of arrow Q along the inclined line,
The pushing member 23 is obliquely lowered from a standby position shown in the figure by driving an air cylinder (not shown) to push the hanging portion of the rim cloth protruding portion 13c along the front surface of the kerchief 11a, and After the bending of 13c, the air cylinder is driven in the opposite direction to return the pushing member 23 to the standby position.

In each of the above embodiments, the pushing lever 2
1. The cross-sectional shape of the pushing member 23 can be formed in an arbitrary shape such as a circle, an ellipse, a triangle, a rectangle, and a trapezoid. Further, the second chuck 31 is omitted and the first chuck 2 is omitted.
5 may be formed to be pivotable below the tatami floor 11. In this case, when the end portion of the edge cloth protruding portion 13c is clamped by the first chuck 25, the first chuck 25 is positioned inside the extension line of the outer fold 13b so that the inner side in the width direction of the edge cloth protruding portion 13c. Only the half portion is clamped, and in this state, the edge cloth protrusion 13
c, the first chuck 25 is moved in the width direction to correct the inner fold 13a straight, and then the pushing lever 21 is swung to push the hanging portion of the protruding portion of the edging cloth. Is turned, and the staple 45 is driven.

Conversely, the first chuck 25 is omitted, and the second chuck 31 is formed so as to be able to advance and retreat in both the width direction and the length direction.
3c, the edge cloth protrusion 13c is folded in two, and then the pushing lever 21 is driven to push the hanging portion of the edge cloth protrusion, and the second chuck 31 is moved outward in the length direction. Tightening the rim cloth protrusion 13c, moving it in the width direction to correct the inner fold 13a to a straight straight line, further turning downward, and then returning the push lever 21,
The staple 45 can be driven.

The above embodiments are merely examples of the present invention, and do not limit the structure, shape, and the like of the corner stopper of the present invention.

[0026]

As described above, according to the first aspect of the present invention, the cornering work of the tatami mat is mechanized in the same manner as in the prior application, and
Labor can be saved. Moreover, by swinging the swingable push lever, the hanging portion of the edge cloth protruding portion is pushed along the front surface of the kerchief, so that the structure is simpler and the space is narrower than in the prior invention. can do. According to the second aspect of the present invention, instead of the pushing lever, a pushing member that swings obliquely below the upper corner of the machi is provided. The hanging part of the protrusion is pushed along the front surface of the machi, and the corner stop work of the tatami can be mechanized to save labor.

[Brief description of the drawings]

FIG. 1 is a perspective view of an embodiment.

FIG. 2 is a side view of a cornered tatami mat section.

FIG. 3 is a front view of a buckle portion of a pushing lever.

FIG. 4 is a front view of a gusset part according to another embodiment.

FIG. 5 is a perspective view of a corner of a tatami mat stabbed.

[Explanation of symbols]

 11: Tatami floor 11a: Kamachi 12: Tatami table 13: Edge cloth 13a: Inside fold 13b: Outside fold 13c: Edge cloth projection 21: Push lever 23: Push member 30: Optical sensor for detecting inside fold 25, 31: Edge Cloth chucks 41 and 42: Staple tucker 45: Staple

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Showa 48-81622 (JP, U) Japanese Utility Model Showa 49-14026 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) E04F 15/02 102

Claims (2)

(57) [Claims] 1. A tatami floor with an edge cloth attached thereto is fixed on a tatami floor support base, and an edge cloth protrusion extending in a longitudinal direction from a machi of the tatami floor is bent below the tatami floor. in the corner stop device tatami which is adapted to secure the tatami bed by implanting staples protrusion, provided in the width direction swingably pushing lever in the width direction outside of the tatami floor support base longitudinal ends, this push <br/> only lever pushed along the front drooping portion stile of by swinging edge cloth protruding portion toward the front side of the stile from the standby position in the width direction outer stile of the tatami write Muyo A tatami corner stop device characterized by the fact that it has been cut. 2. A tatami floor to which a hem cloth is attached is fixed on a tatami floor support base, and an rim cloth projection extending in a length direction from a machi of the tatami floor is bent below the tatami floor to form a tatami floor. A tatami corner stop device in which staples are driven into the protrusions to fix the tatami floor to the tatami floor. A push member that swings obliquely downward is provided, and this push member is swung toward the front side of the machi from the standby position on the outer side in the width direction of the machi on the tatami floor, so that the hanging portion of the rim cloth projection is formed in the machi. corner stop device of the tatami, characterized in that it was the press write-free as along the front of the.