JP2020056265A - Multi-step fence - Google Patents

Abstract

To provide a multi-step fence having a sense of unity as a whole design.SOLUTION: The multi-step fence has an upper fence 1 and a lower fence 2. Each of the fences 1, 2 has upper crosspieces 4a, 4b and lower crosspieces 5a, 5b, and multiple lattices 9, 9, ... arranged between the upper and lower crosspieces. One of the lower crosspiece 5a of the upper fence 1 and the upper crosspiece 4b of the lower fence 2 is inserted into the other, and both have a design surface that has the common features of face side 12. Across the upper crosspiece 4a of the upper fence 1 to lower crosspiece 5b of the lower fence 2 at the face side, a common design surface identical to the lower crosspiece 5a of the upper fence 1 and the upper crosspiece 4b of the lower fence 2 is repeated.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a multi-stage fence including an upper fence and a lower fence.

  2. Description of the Related Art Conventionally, a multi-stage fence in which panel-shaped fences are vertically arranged and attached to a pillar has been known (for example, see Non-Patent Document 1). In such a conventional multi-stage fence, the design of the upper fence is divided into the upper fence and the lower fence because the lower fence rides on the upper fence on the lower fence, and the connection of the upper and lower fences is conspicuous. There was no unity.

Sankyo Tateyama Co., Ltd. Catalog “Exterior General Catalog” issued by Sankyo Aluminum Co., Ltd. (Catalog No. STX1175A KY. 18.02-3000), Feb. 2018, p. 708

  The present invention has been made in view of the above-described circumstances, and has as its object to provide a multi-stage fence having a uniform feeling as a whole design.

  In order to achieve the above object, a multi-stage fence according to the first aspect of the present invention includes an upper fence and a lower fence, and each fence has an upper bar, a lower bar, and a plurality of lattices provided between upper and lower bars. The lower and upper fences of the lower and upper fences have a design surface that is swallowed by one side and has a design surface that has features common to the visible surface. In this case, the design surface and the common design surface formed by the lower crosspiece of the upper fence and the upper crosspiece of the lower fence are provided so as to be repeated on the visible surface.

  In the multi-stage fence according to the first aspect of the present invention, each of the upper and lower fences has an upper beam, a lower beam, and a plurality of lattices provided between the upper and lower beams, and a lower beam of the upper beam and an upper beam of the lower beam. Has a design surface that has one side swallowed by the other and has a feature common to the visible surface, and extends from the upper rung of the upper fence to the lower rung of the lower fence. The upper fence and the lower fence are connected without being cut off by design because the design surface and the common design surface by the upper fence are repeated so that the design has a unified feeling as a whole .

It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. It is a front view showing a 1st embodiment of a multistage fence of the present invention. It is a cross-sectional view which shows other embodiment of the connection part of a right and left fence. It is a perspective view which separates and shows the edge material of a fence. It is a perspective view which shows the upper crosspiece connecting tool which connects the upper crosspiece of a left and right fence, and the lower crosspiece connecting tool which connects a lower crosspiece. It is a front view showing a 2nd embodiment of a multi-stage fence of the present invention. It is DD sectional drawing of FIG. It is a front view which shows the construction procedure of a multi-stage fence. It is a front view which shows the construction procedure (continuation of FIG. 9-1) of a multi-stage fence. It is a longitudinal cross-sectional view which shows the construction procedure of a multi-stage fence. It is a perspective view showing an embodiment in which multi-stage fences were connected at corners. It is a top view which expands and shows a corner part. It is a perspective view which expands and shows a corner part, (a) shows the state before attaching a cap to a vertical member and a connection material, (b) shows the state after attaching a cap. It is a top view which shows other embodiment of a corner part (outside corner fitting). It is a top view which shows other embodiment (fitting in a corner) of a corner part. It is a front view which shows the construction procedure of the corner part of a multi-stage fence. It is a front view which shows the construction procedure (continuation of FIG. 16-1) of the corner part of a multi-stage fence.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 3 show a first embodiment of a multi-stage fence according to the present invention. The multi-stage fence is installed at the boundary between the road and the site, and as shown in FIG. 3, a plurality of pillars 3, 3, 3 erected at intervals on the ground, and pillars 3, 3, , 3 are provided with an upper fence 1 and a lower fence 2. The upper fence 1 is configured by connecting a right fence 1a and a left fence 1b. The lower fence 2 is also formed by connecting the right fence 2a and the left fence 2b.

As shown in FIGS. 1 and 2, the left and right fences 1a and 1b of the upper fence 1 have vertical bars 6 and 6 between the left and right ends of the upper bar 4a and the lower bar 5a, and middle vertical bars 7 and 6 between the middle portions. 7 are respectively attached, and are locked by locking portions 8 formed on the road side surfaces of the vertical rails 6, 6 and the middle vertical rails 7, 7, so that a plurality of grids 9, 9, ..., between the upper rail 4a and the lower rail 5a. Are attached at a predetermined pitch.
Similarly to the upper fence 1, the left and right fences 2a and 2b of the lower fence 2 have the vertical bars 6 and 6 between the left and right ends of the upper bar 4b and the lower bar 5b, and the middle vertical bars 7 and 7 between the middle portions. .. Are fixed to locking portions 8 formed on the road side surfaces of the vertical rails 6, 6 and the middle vertical rails 7, 7, and a plurality of grids 9, 9,. It is mounted at a pitch.

As shown in FIG. 1, a groove 10 is formed on the lower surface of the lower rail 5 a of the upper fence 1, and a projection 11 is formed on the upper surface of the upper rail 4 b of the lower fence 2. It is locked at the end of the groove 10 on the site side and swallowed into the groove 10. The lower end 34 of the lower fence 2 on the site side of the lower fence 5 a rides on the upper surface of the upper fence 4 b.
The lower cross section 5a of the upper fence 1 and the upper cross section 4b of the lower fence 2 are vertically arranged on the road side at the observing surface 12a of the same width as the observing surface 12a, and at an angle of 45 from the upper end of the observing surface 12a toward the site. It has a design surface 12 having a common feature consisting of an inclined surface 12b extending upward at an angle of °. The grid 9 of the upper fence 1, the grid 9 of the lower fence 2, and the lower rail 5 b are similar to the lower rail 5 a of the upper fence 1 and the upper rail 4 b of the lower fence 2, and have a vertical finding surface 12 a having the same width. And an inclined surface 12b extending upward at an angle of 45 ° to the site side from the upper end of the finding surface 12a toward the site. The upper rails 4a, 4b of the upper fence 1 and the lower rail fence 2, the lattice 9 and the found surfaces 12a of the lower beams 5a, 5b are flush, and the gap s between the found surfaces 12a is the same. I have. As a result, the multi-stage fence extends from the upper fence 4a of the upper fence 1 to the lower fence 5b of the lower fence 2 and has the same appearance as the design surface 12 formed by the lower fence 5a of the upper fence 1 and the upper fence 4b of the lower fence 2. The design surface 12 is provided so as to be repeated. As a result, as shown in FIG. 3, the boundary between the upper fence 1 and the lower fence 2 is not conspicuous, and the multi-stage fence has a uniform design as a whole.

7 and 8 show a second embodiment of the multi-stage fence according to the present invention. As shown in FIG. 8, the multi-stage fence has a groove 10 formed on the lower surface of the lower rail 5a of the upper fence 1 and a projection 11 formed on the upper surface of the upper rail 4b of the lower fence 2, The protrusions 11 are engaged with the end of the groove 10 on the site side and swallowed into the groove 10. The lower end 34 of the lower fence 2 on the site side of the lower fence 5 a rides on the upper surface of the upper fence 4 b.
As shown in FIG. 8, the multi-stage fence has a lower surface 5c of the lower fence 1 and an upper surface 4b of the lower fence 2 on the road-side observing surface 12c having a vertically depressed central portion. A step portion 12d extending stepwise from the upper end of the finding surface 12c to the site side, a finding surface 12e having a concave central portion in the vertical direction, and a step extending stepwise toward the site from the upper end of the finding surface 12e. It has a design surface 12 having a common feature composed of a portion 12f. The grid 9 of the upper fence 1 and the lower fence 2 has a recessed surface in the vertical direction, similar to the lower fence 5a of the upper fence 1 and the upper fence 4b of the lower fence 2, on the visibility side of the road. 12c, a stepped portion 12d extending stepwise from the upper end of the finding surface 12c to the site side, a finding surface 12e having a concave central portion in the vertical direction, and stepwise extending from the upper end of the finding surface 12e to the site side. It has a design surface 12 having common features consisting of a step portion 12f. In addition, the upper fence 1 has a finding surface 12c on the road side of the upper fence 4a on the road side, and has a finding surface 12c with a concave central portion in the vertical direction. Has a finding surface 12e having a concave central portion in the vertical direction, and a step portion 12f extending stepwise from the upper end of the finding surface 12e to the site side. The upper rails 4a and 4b of the upper fence 1 and the lower rail fence 2, the grid 9 and the found surfaces 12c and 12e of the lower beams 5a and 5b are flush with each other, and the found dimension v1 and the found surface of the found surface 12c are provided. The finding dimension v2 of 12e is common to 35 mm (the finding dimension of the recess in the finding faces 12c and 12e is slightly different from the vertical position), and a gap between the upper end of the finding face 12c and the lower end of the finding face 12e. s1 and a gap s2 between the upper end of the finding surface 12e and the lower end of the finding surface 12c have the same size as 15 mm. As a result, the multi-stage fence extends from the upper fence 4a of the upper fence 1 to the lower fence 5b of the lower fence 2 and has the same appearance as the design surface 12 formed by the lower fence 5a of the upper fence 1 and the upper fence 4b of the lower fence 2. The design surface 12 is provided so as to be repeated. As a result, the boundary between the upper fence 1 and the lower fence 2 is not conspicuous as shown in FIG.

  As described above, in the present multi-stage fence, the upper and lower fences 1 and 2 have a plurality of grids provided between the upper and lower rails 4a, 4b and 5a, 5b and the upper and lower rails 4a, 4b, 5a, 5b. , And the lower fence 5a of the upper fence 1 and the upper fence 4b of the lower fence 2 have one side swallowed and the other having a design surface 12 having a feature common to the visible surface. From the upper cross section 4a of the upper fence 1 to the lower cross section 5b of the lower fence 2, the design surface 12 common to the lower cross section 5a of the upper fence 1 and the upper cross section 4b of the lower fence 2 is provided on the visible surface. By being provided so as to be repeated, the upper tier fence 1 and the lower tier fence 2 are continuous without being separated in design, and a design with a sense of unity as a whole is obtained.

The upper fence 1a of the upper fence 1 and the upper fence 4a, 4a of the left fence 1b are connected by an upper fir connector 20a as shown in FIGS. 1 and 2, and the right fence 1a and the left fence 1b of the upper fence 1 are connected. The lower rails 5a, 5a are connected by a lower rail connector 20b. Similarly, the right fence 2a of the lower fence 2 and the upper rails 4b, 4b of the lower fence 2b are connected by an upper rail connector 20a as shown in FIGS. The lower rails 5b, 5b are connected to the lower fence 2b by a lower rail connector 20b.
The upper beam connecting device 20a and the lower beam connecting device 20b are made of resin, and are inserted into the hollow portions of the upper beam 4a, 4b and the lower beam 5a, 5b as shown in FIG. . In addition, the upper beam connecting device 20a and the lower beam connecting device 20b have a plate-shaped portion 21 sandwiched between the small edges of the upper beams 4a, 4b and the lower beams 5a, 5b of the left and right fences 1a, 1b, 2a, 2b. At the ends on the front side (road side) and the rear side (site side) of the plate-shaped portion 21, there are provided gap hiding portions 22 for hiding gaps between the left and right fences 1a, 1b, 2a, 2b.

As shown in FIGS. 2 and 6, the multi-stage fence is provided with a gap cover between the vertical bars 6, 6 of the left and right fences 1a, 1b and 2a, 2b between the upper beam connector 20a and the lower beam connector 20b. 35. In the example of FIG. 2, the gap cover 35 is composed of two members: a small edge member 13a attached to the vertical bar 6 of the right fence 1a, 2a and a small edge member 13b attached to the vertical bar 6 of the left fence 1b, 2b. is there.
Each edge material 13a, 13b has a prospect wall 14 and a pair of locking pieces 15, 15, and the locking pieces 15, 15 are resiliently locked from the side into a groove 16 formed in the vertical bar 6. Then, it is attached to the vertical rail 6. The edge material 13b of the left fences 1b, 2b hides the gap between the left and right fences 1a, 1b, 2a, 2b on the front side (road side) and the rear side (site side) of the left and right fences 1a, 1b, 2a, 2b. It has gap concealing portions 17 and 17. The found dimension a of the gap concealing portion 17 is 6 mm. The edge material 13b of the left fence 1b, 2b is in contact with the edge material 13a of the right fence 1a, 2a, and has male and female engaging portions 18a, 18b that engage with each other.
As shown in FIGS. 2 and 5, the left and right fences 1a, 1b, 2a, and 2b have the edges of the lattices 9, 9,... At substantially the same positions as the edges of the upper and lower crossbars 4a, 4b, 5a, and 5b. , 13b hide the forefront of the grid 9, 9,.

FIG. 4 shows another embodiment of the gap cover 35. In the embodiment of FIG. 4 (a), similarly to the embodiment of FIG. 2, the gap cover 35 is attached to the small edge material 13a to be attached to the vertical bar 6 of the right fence 1a, 2a and the vertical bar 6 of the left fence 1b, 2b. The right edge fence 1a, 2a side has a gap hiding portion 17 on the front side (road side) of the right fence 1a, 1b and 2a, 2b. The edge material 13b on the 1b, 2b side has a gap concealing portion 17 on the rear side (site side) of the left and right fences 1a, 1b and 2a, 2b.
In the embodiment shown in FIG. 4B, the gap cover 35 has a small edge 13a attached to the vertical bar 6 of the right fence 1a, 2a and a small edge 13b attached to the vertical bar 6 of the left fence 1b, 2b. It is composed of three members of a connecting member 19 provided so as to be sandwiched between the small members 13a, 13b. The small members 13a, 13b do not have the gap concealing portion 17, and are on the road side and the site side of the connecting member 19. Is provided with a gap concealing portion 17 at the end of. The connecting member 19 is in contact with the small edge members 13a, 13b of the left and right fences, and has male and female engaging portions 18a, 18b that engage with each other.

As described above, in the present multi-stage fence, the upper fences 4a and 4b of the right fences 1a and 2a and the left fences 1b and 2b are connected by the upper fence connecting part 20a, and the lower fences 5a and 5b are connected by the lower fence connecting part 20b. A gap cover 35 is provided between the left and right fences 1a and 1b and between the vertical bars 6 and 6 of 2a and 2b between the upper and lower crosspiece connecting parts 20a and 20b. , 1b, 2a, 2b, are provided on the front and rear sides of the left and right fences 1a, 1b, 2a, 2b, so that heat shrinkage occurs on the left and right fences 1a, 1b, 2a, 2b. Even if there is, there is no gap between the left and right fences 1a and 1b and between 2a and 2b.
The gap cover 35 conceals the small edges of the lattices 9, 9,... Provided between the upper and lower bars 4a, 5a and between 4b, 5b, so that the design is good. Also, even if the grids 9, 9,... Contract to form a gap between the fore-edges of the grids 9, 9,.
The gap cover 35 of the embodiment shown in FIGS. 2 and 4A is a member (small material) 13a to be attached to the vertical bar 6 of the right fence 1a, 2a and a member to be attached to the vertical bar 6 of the left fence 1b, 2b. (Small edge material) Since it is composed of two members 13b, the members 13a, 13b are attached to the vertical rails 6 of the left and right fences 1a, 1b, 2a, 2b in advance, and then the right and left fences 1a are merely brought into contact with both members 13a, 13b. , 1b, 2a, 2b can be hidden, and the workability is good.
Since the edge material 13b of the left fence 1b, 2b is in contact with the edge material 13a of the right fence 1a, 2a, the apparent size of the gap concealing part 17 can be reduced, and the left and right fences 1a, 1b, 2a, 2b The connecting portion can be made inconspicuous.
4 (b), since the connecting member 19 is in contact with the edge members 13a, 13b of the left and right fences, the apparent size of the gap concealing portion 17 can be reduced, and the left and right fences 1a, 1b can be reduced. , 2a, 2b can be made inconspicuous.

  As shown in FIG. 1, the column 3 hooks the lower rails 5 a, 5 b and the upper rails 4 a, 4 b of the upper fence 1 and the lower fence 2, and draws and fixes the column 3 on the road-side finding surface of the column 3. 23a and 23b. The lower rail 5b and the upper rail 4b for the lower rail fence 2 and the pulling bracket 23b for the lower rail 5a of the upper rail fence 1 are tightened by screws 24 from the road side, thereby connecting the lower rails 5a, 5b and the upper rail 4b to the support 3. And secure it. The pull-in bracket 23a for the upper cross 4a of the upper fence 1 draws the upper cross 4a to the support 3 and fixes it by tightening the screw 25 from the site side. The column 3 is a so-called free column that can move in the left-right direction.

  As shown in FIG. 3, a vertical member 26 which is a long member extending over the upper fence 1 and the lower fence 2 is attached to the right and left ends of the multi-stage fence. As shown in FIG. 2, the vertical member 26 has a substantially U-shaped cross section, a corner portion is chamfered at an angle of 45 °, and grooves 27a and 27b are formed in the chamfered corner portion. The grooves 27a and 27b are for attaching a connecting member 28 when connecting the multi-stage fences at the corners, as described later. A cap 29 is attached to the upper and lower ends of the vertical member 26 by screwing using a tapping hole formed in the vertical member 26.

  Next, the construction procedure of the multi-stage fence will be described. First, the columns 3, 3, 3 are erected at appropriate positions. Next, as shown in FIG. 9A, the right fence 2a of the lower fence 2 is attached. At this time, as shown in FIG. 10 (a), the screws 24 of the pulling bracket 23b for the upper rail 4b are loosened in advance, and the lower rail 5b and the upper rail 4b are hooked on the pulling brackets 23b, 23b for temporary attachment. Then, after adjusting the position in the left-right direction, as shown in FIG. 10B, the screw 24 is tightened and fixed from the road side. Next, as shown in FIG. 9-1 (b), the upper beam connecting device 20a and the lower beam connecting device 20b are attached to the ends of the upper beam 4b and the lower beam 5b, and the left fence 2b of the lower fence 2 is moved to the upper beam. While being connected to the right fence 2a with the connecting tool 20a and the lower crosspiece connecting tool 20b, it is attached to the column 3. Next, as shown in FIG. 9C, the right fence 1a of the upper fence 1 is attached. At this time, as shown in FIG. 10 (c), the screw 25 of the pulling bracket 23a for the upper rail 4a is loosened in advance, and the lower rail 5a and the upper rail 4a are hooked on the pulling brackets 23a and 23b. As shown in FIG. 10D, the screw 25 is tightened and fixed from the site side. Next, as shown in FIG. 9-2 (d), the upper rail connector 20a and the lower rail connector 20b are attached to the ends of the upper rail 4a and the lower rail 5a, and the left fence 1b of the upper fence 1 is connected to the upper rail. It is attached to the column 3 while being connected to the right fence 1a with the connecting tool 20a and the lower rail connecting tool 20b. When the left and right fences 1a and 1b of the upper fence 1 are mounted, the lower fence 2 is placed on the upper fence 4b of the lower fence 2 so that the lower fence 1 can be easily mounted by one person. Thereafter, as shown in FIG. 9E, the vertical members 26, 26 are attached to the left and right ends so as to straddle the upper fence 1 and the lower fence 2.

FIGS. 11 to 13 show an embodiment in which the right multi-stage fence 30 and the left multi-stage fence 31 are connected at the corners by the corner connection tool 36. The corner connecting member 36 includes a vertical member 26 attached to the left end of the right multi-stage fence 31, a vertical member 26 attached to the right end of the left multi-stage fence 31, and a connecting member attached between the two vertical members 26, 26. 28.
The vertical member 26 is the same as the vertical member 26 attached to the side end of the single multi-stage fence described above, and is a long member extending over the upper fence 1 and the lower fence 2. The connecting member 28 is a long member that straddles the upper fence 1 and the lower fence 2, as shown in FIG. 11, and is formed in a substantially plate shape as shown in FIG. The columnar bulging portions 32 are provided, and the centers of the bulging portions 32 are eccentric in the front-rear direction with respect to the plate-like portion. Each of the bulging portions 32, 32 is engaged with a groove 27b formed in a rear corner portion of the vertical member 26 of the left and right multi-stage fences 30, 31. A cap 33 is attached to the upper and lower ends of the connecting member 28 by screwing using tapping holes formed in the plate-like portion.

The above-described corner connector 36 formed by the vertical members 26, 26 of the left and right multi-stage fences and the connecting member 28 is not limited to the case where the left and right multi-stage fences 30, 31 are connected at 90 °, as shown in FIG. Alternatively, the left and right multi-stage fences 30 and 31 can be connected at an angle smaller than 90 °, or can be connected at an angle larger than 90 ° as shown in FIG. When the angle of the corner portion is larger than 90 °, the connecting member 28 is mounted in the reverse direction.
Further, as shown in FIG. 15, it is possible to cope with the corner portion of the inside corner. When used at the corners of the corners, the bulging portions 32 of the connecting member 28 are engaged with the grooves 27 a at the front corners of the vertical member 26.

  Next, a procedure for constructing a corner will be described. First, as shown in FIG. 16A, the lower fence 2 of the right multi-stage fence 30 is mounted on the found surface of the right multi-stage fence support 3,3. Next, as shown in FIG. 16-1 (b), with the lower rail 5a of the upper rail fence 1 placed on the upper rail 4b of the lower rail fence 2, the upper rail fence 1 is moved to the right multi-fence fence posts 3,3. Attach on the surface of Next, as shown in FIG. 16C, the right vertical member 26 of the corner connector 36 is attached to the end of the right multi-step fence 30. Next, as shown in FIG. 16-2 (d), a state where the lower fence 2 of the left multi-stage fence 31 is temporarily attached to the columns 3 and 3 for the left multi-stage fence with the drawing metal 23b (the upper drawing metal 23b). With the screw 24 loosened (see FIGS. 10A and 10B), slide to the right and insert the end into the left vertical member 26 of the corner connector 36. Next, as shown in FIG. 16-2 (e), with the lower rail 5a of the upper rail fence 1 placed on the upper rail 4b of the lower rail fence 2, the upper rail fence 1 is moved to the left multi-rail fence support 3,3. And slide it to the right to insert the end into the left longitudinal member 26 of the corner connector 36. Then, the upper fence 1 and the lower fence 2 are connected in series by connecting the right multi-stage fence 30 and the left multi-stage fence 31 to the end opposite to the corner connecting tool 36 (see FIG. 9B).

As described above, the present multi-stage fence has a structure in which the right multi-stage fence 30 and the left multi-stage fence 31 are viewed from the columns 3, 3 in a state in which the lower fence 1 has the lower rail 5a mounted on the upper fence 4b. The right and left vertical members 26, 26 of the corner connecting member 36, which is attached to the attachment surface and is connected by a connecting member 28 to the left and right vertical members 26, 26, which are long members extending over the upper fence 1 and the lower fence 2, Since the end portions of the fence 30 and the left multi-stage fence 31 are mounted, the left and right multi-stage fences 30 and 31 can be connected in series from the upper portion of the upper fence 1 to the lower portion of the lower fence 2 with the corner connecting tool 36. Is easy. The vertical members 26, 26 and the connecting member 28 of the corner connecting member 36 are long members that straddle the upper fence 1 and the lower fence 2 and have no upper and lower boundaries, so that the appearance is good. By mounting the lower rail 5a of the upper fence 1 on the upper rail 4b of the lower fence 2, the upper fence 1 can be easily mounted by one person.
The right multi-stage fence 30 and / or the left multi-stage fence 31 can be inserted into the vertical members 26, 26 of the corner connector 36 by sliding in the left-right direction while being attached to the columns 3, 3, so that the corner portion can be constructed. More easily.

In addition, in the method of manufacturing the multi-stage fence, the one-side multi-stage fence (right multi-stage fence) 30 is attached to the one-side multi-stage fence posts 3, 3, and the left and right long members extending over the upper stage fence 1 and the lower stage fence 2. One of the vertical members 26 of the corner connecting member 36 in which the vertical members 26, 26 are connected by the connecting member 28 is attached to the end of the one-side multi-stage fence 30, and the other side of the multi-stage fence posts 3, 3 By temporarily attaching the side multi-stage fence (left multi-stage fence) 31 and sliding in the left-right direction to insert the end of the other multi-stage fence 31 into the other vertical member 26 of the corner connector 36, the left and right multi-stage fence 30 is provided. , 31 can be connected in series from the upper part of the upper fence 1 to the lower part of the lower fence 2 by the corner connecting tool 36, so that the corner portion can be easily constructed. The vertical members 26, 26 and the connecting member 28 of the corner connecting member 36 are long members that straddle the upper fence 1 and the lower fence 2 and have no upper and lower boundaries, so that the appearance is good.
By mounting the lower rail 5a of the upper fence 1 on the upper rail 4b of the lower fence 2, the upper fence can be easily mounted by one person.
The right multi-stage fence 30 and / or the left multi-stage fence 31 can be continuously extended in the left-right direction, respectively. Construction can be performed without any problem.

  The invention is not limited to the embodiments described above. The multi-stage fence of the present invention is provided so that the design surface and the common design surface by the lower and upper fences of the upper and lower fences are repeated on the observable surface from the upper and lower fences of the upper and lower fences. Any specific form of the design is acceptable. The upper fence and the lower fence do not necessarily have to connect the left and right fences.

DESCRIPTION OF SYMBOLS 1 Upper fence 1a Right fence 1b Left fence 2 Lower fence 2a Right fence 2b Left fence 3 Prop 4a, 4b Upper bar 5a, 5b Lower bar 6 Vertical bar 9 Lattice 12 Design surface 13a, 13b Edge material 17 Hidden part 20a Upper bar Connector 20b Lower rail connector 26 Vertical member 28 Connector 35 Gap cover 36 Corner connector

Claims (1)

  An upper fence and a lower fence are provided, each fence has an upper crosspiece, a lower crosspiece, and a plurality of lattices provided between the upper and lower crosspieces. It has a design surface that is swallowed and has features common to the visible surface, and extends from the upper rung of the upper fence to the lower rung of the lower fence. A multi-stage fence characterized by being provided so that a design surface and a common design surface are repeated.

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