JP6347961B2 - handrail - Google Patents

Description

  The present invention relates to a handrail.

  Conventionally, a handrail formed by standing a plate material such as glass is known. In the case of such a handrail, the lower end of the plate material is embedded in the floor surface to make it appear that the plate material is self-supporting. Specifically, by embedding a long steel angle material in concrete to be a floor, a groove is formed on the floor surface, and a plate material is inserted into the groove. And a board | plate material is fixed by expanding the board | plate material fixing member so that a board | plate material may be pinched | interposed from both sides in a groove | channel at fixed intervals. Thereby, a board | plate material will become independent (for example, refer patent document 1).

JP 54-129716 A

However, it is assumed that the above-described handrail is installed on a building having a certain scale or more. For this reason, the method of forming the groove for fixing the plate material on the floor surface is unsuitable for a general house or small-scale building because it takes too much time.
Therefore, an object of the present invention is to provide a handrail that can reliably stand a plate material without forming a groove on the floor surface and can be easily applied to general houses and small-scale construction. It is to be.

The handrail 1 according to the invention described in claim 1 is, for example, as shown in FIGS.
Board 2;
A plurality of U-shaped support fittings 3 having a substantially U-shaped recess 33 opened at the top and fixed to the fixed surface 102a;
The lower end portion of the plate material 2 is inserted into the concave portion 33 of the U-shaped support metal 3 and the inflatable fixing member 38 is filled so as to sandwich the plate material 2 so that the plate material 2 stands upright. It is characterized by being installed.

  According to the first aspect of the present invention, the lower end portion of the plate member 2 is inserted into the recesses 33 of the plurality of U-shaped support fittings 3 fixed to the fixed surface 102a, and the inflatable fixing member 38 is the plate member. Since the plate material 2 is erected by being filled so as to sandwich the plate 2, the U-shape fixed to the fixed surface 102a without forming a groove for fixing the plate material on the floor surface as in the prior art The plate member 2 can be reliably erected through the support metal 3. Therefore, the handrail 1 that can be easily applied to general houses and small-scale construction can be provided.

And, the invention according to claim 1 is, for example, as shown in FIG.
The total of the widths w1 and w2 of the plurality of U-shaped support hardwares 3 is less than or equal to ½ of the width w3 of the plate member 2.

Therefore, according to the first aspect of the present invention, since the sum of the widths w1 and w2 of the plurality of U-shaped support hardware 3 is less than or equal to ½ of the width w3 of the plate 2, The width does not have to be longer than necessary. This makes it easier to handle the U-shaped support hardware 3, so that workability can be improved. In addition, manufacturing costs can be reduced. Furthermore, the apparent balance between the plate material 2 and the U-shaped support metal 3 can be improved.

The invention according to claim 2 is the handrail 1 according to claim 1, for example, as shown in FIGS.
4 A of cover members which cover the lower end part of the said board | plate material 2 with the said U-shaped support metal fitting 3 are further provided.
According to the second aspect of the present invention, since the cover member 4, 4 </ b> A, 4 </ b> B covers the lower end portion of the plate member 2 together with the U-shaped support metal 3, the appearance of the lower end portion of the plate member 2 can be improved. Further, when a decorative plate is provided so as to further cover the U-shaped support metal 3 and the cover members 4, 4 </ b> A, 4 </ b> B, the cover members 4, 4 </ b> A, 4 </ b> B can be used as the base material.

  The invention according to claim 3 is the handrail 1 according to claim 1 or 2, as shown in FIG.
  The fixed surface 102a is formed along the slope formed by the stairs 100,
  The plate member 2 is characterized in that an upper side and a lower side are formed in a substantially parallelogram shape which is substantially parallel to the inclination of the fixed surface 102a.
  According to the invention described in claim 3, the fixed surface 102a is formed along the inclination formed by the stairs 100, and the substantially parallelogram shape in which the upper side and the lower side of the plate member 2 are substantially parallel to the inclination of the fixed surface 102a. Therefore, it is not necessary to form a conventional groove on the fixed surface 102a provided along the stairs 100, and a simple structure can be adopted and the handrail 1 having a good appearance is provided. be able to.

  The handrail 1 according to the invention of claim 4 is, for example, as shown in FIGS.
  Board 2;
  A plurality of U-shaped support fittings 3 having a substantially U-shaped recess 33 opened at the top and fixed to the fixed surface 102a;
  The lower end portion of the plate material 2 is inserted into the concave portion 33 of the U-shaped support metal 3 and the inflatable fixing member 38 is filled so as to sandwich the plate material 2 so that the plate material 2 stands upright. It is characterized by being installed.
  According to the fourth aspect of the present invention, the lower end portion of the plate member 2 is inserted into the recesses 33 of the plurality of U-shaped support fittings 3 fixed to the fixed surface 102a, and the inflatable fixing member 38 is the plate member. Since the plate material 2 is erected by being filled so as to sandwich the plate 2, the U-shape fixed to the fixed surface 102a without forming a groove for fixing the plate material on the floor surface as in the prior art The plate member 2 can be reliably erected through the support metal 3. Therefore, the handrail 1 that can be easily applied to general houses and small-scale construction can be provided.

  And, the invention according to claim 4 is, for example, as shown in FIGS.
  4 A of cover members which cover the lower end part of the said board | plate material 2 with the said U-shaped support metal fitting 3 are further provided.
  Therefore, according to the invention described in claim 4, since the cover members 4, 4 </ b> A, 4 </ b> B cover the lower end portion of the plate member 2 together with the U-shaped support metal 3, the appearance of the lower end portion of the plate member 2 can be improved. it can. Further, when a decorative plate is provided so as to further cover the U-shaped support metal 3 and the cover members 4, 4 </ b> A, 4 </ b> B, the cover members 4, 4 </ b> A, 4 </ b> B can be used as the base material.
  Further, the invention according to claim 4 is, for example, as shown in FIGS.
  The cover members 4, 4 </ b> A are provided with a notch 41 for accommodating the U-shaped support metal 3.
  Therefore, according to the invention described in claim 4, since the notch 41 for housing the U-shaped support metal 3 is provided in the cover member 4, the U-shaped support metal 3 and the cover member 4 are integrated. It is possible to impress the appearance of the U-shaped support hardware 3 with an inconspicuous unity feeling. Moreover, when providing a decorative board so that the U-shaped support metal 3 and the cover members 4 and 4A may be further covered, the U-shaped support metal 3 does not become the hindrance, and workability can be improved.

The invention according to claim 5 is, for example, as shown in FIG. 1 , in the handrail 1 according to claim 4 ,
The total of the widths w1 and w2 of the plurality of U-shaped support hardwares 3 is less than or equal to ½ of the width w3 of the plate member 2.
According to the fifth aspect of the present invention, since the sum of the widths w1 and w2 of the plurality of U-shaped support hardware 3 is ½ or less of the width w3 of the plate member 2, the width of the U-shaped support hardware 3 is reduced. You don't have to make it longer than necessary. This makes it easier to handle the U-shaped support hardware 3, so that workability can be improved. In addition, manufacturing costs can be reduced. Furthermore, the apparent balance between the plate material 2 and the U-shaped support metal 3 can be improved.

  The invention according to claim 6 is the handrail 1 according to claim 4 or 5, as shown in FIG.
  The fixed surface 102a is formed along the slope formed by the stairs 100,
  The plate member 2 is characterized in that an upper side and a lower side are formed in a substantially parallelogram shape which is substantially parallel to the inclination of the fixed surface 102a.
  According to the sixth aspect of the present invention, the fixed surface 102a is formed along the inclination formed by the stairs 100, and the substantially parallelogram shape in which the upper side and the lower side of the plate member 2 are substantially parallel to the inclination of the fixed surface 102a. Therefore, it is not necessary to form a conventional groove on the fixed surface 102a provided along the stairs 100, and a simple structure can be adopted and the handrail 1 having a good appearance is provided. be able to.

  The handrail 1 according to the invention of claim 7 is, for example, as shown in FIGS.
  Board 2;
  A plurality of U-shaped support fittings 3 having a substantially U-shaped recess 33 opened at the top and fixed to the fixed surface 102a;
  The lower end portion of the plate material 2 is inserted into the concave portion 33 of the U-shaped support metal 3 and the inflatable fixing member 38 is filled so as to sandwich the plate material 2 so that the plate material 2 stands upright. It is characterized by being installed.
  According to the seventh aspect of the present invention, the lower end portion of the plate member 2 is inserted into the recesses 33 of the plurality of U-shaped support fittings 3 fixed to the fixed surface 102a, and the inflatable fixing member 38 is the plate member. Since the plate material 2 is erected by being filled so as to sandwich the plate 2, the U-shape fixed to the fixed surface 102a without forming a groove for fixing the plate material on the floor surface as in the prior art The plate member 2 can be reliably erected through the support metal 3. Therefore, the handrail 1 that can be easily applied to general houses and small-scale construction can be provided.

  And the invention of claim 7 is, for example, as shown in FIG.
  The fixed surface 102a is formed along the slope formed by the stairs 100,
  The plate member 2 is characterized in that an upper side and a lower side are formed in a substantially parallelogram shape which is substantially parallel to the inclination of the fixed surface 102a.
  Therefore, according to the seventh aspect of the present invention, the fixed surface 102a is formed along the inclination formed by the stairs 100, and the upper side and the lower side of the plate 2 are substantially parallel to the inclination of the fixed surface 102a. Since it is formed in a quadrilateral shape, it is not necessary to form a conventional groove on the fixed surface 102a provided along the stairs 100, a simple structure can be adopted, and the handrail 1 having a good appearance can be used. Can be provided.

The invention according to claim 8 is the handrail 1 according to claim 7 , for example, as shown in FIGS.
4 A of cover members which cover the lower end part of the said board | plate material 2 with the said U-shaped support metal fitting 3 are further provided.
According to invention of Claim 8, since the cover members 4,4A, 4B have covered the lower end part of the board | plate material 2 with the U-shaped support metal fitting 3, the appearance of the lower end part of the board | plate material 2 can be improved. Further, when a decorative plate is provided so as to further cover the U-shaped support metal 3 and the cover members 4, 4 </ b> A, 4 </ b> B, the cover members 4, 4 </ b> A, 4 </ b> B can be used as the base material.

  The invention according to claim 9 is the handrail 1 according to any one of claims 1 to 8, for example, as shown in FIG.
  The U-shaped support metal 3 is fixed to the fixed surface 102a by a plurality of bolts 34.
  According to the ninth aspect of the present invention, since the U-shaped support metal 3 is fixed to the fixed surface 102a by the plurality of bolts 34, a groove is formed on the floor surface as in the prior art, and the plate material is formed in the groove. Even if compared with the case of fixing, it can be set as a simple structure.
  Further, when the U-shaped support metal 3 is simply fixed to the fixed surface 102a by the adhesive, when the force acts in the plate thickness direction, the force for peeling the U-shaped support metal 3 from the fixed surface 102a is obtained. Because it works, the long-term stability remains a question. However, if the U-shaped support metal 3 is fixed to the fixed surface 102a by the bolt 34, the U-shaped support metal 3 is firmly maintained on the fixed surface 102a even if a force acts in the direction of peeling. And stability over a long period of time can be ensured.
  The invention according to claim 10 is the handrail 1 according to any one of claims 1 to 9, for example as shown in FIG.
  A reinforcing portion 37 is provided on the outer surface of the wall portion 32 forming the concave portion 33 in the U-shaped support metal 3 along the vertical direction.
  According to the invention of claim 10, since the reinforcing portion 37 along the vertical direction is provided on the outer surface of the wall portion 32 forming the concave portion 33, the strength of the wall portion 32 is increased by the reinforcing portion 37. As a result, the strength of the U-shaped support metal 3 itself is also increased.
  Further, when a force acts on the plate member 2 in the thickness direction, a force in the wall thickness direction also acts on the wall portion 32. Even if the force in the wall thickness direction is applied, if the reinforcing portion 37 is provided, the wall portion 32 can be made difficult to bend and damage to the wall portion 32 can be prevented.

  According to the present invention, it is possible to reliably stand a plate material without forming a groove on a fixed surface, and to provide a handrail that can be easily applied to general houses and small-scale construction. Can do.

It is a disassembled perspective view which shows schematic structure of the handrail which concerns on this embodiment. It is a perspective view which shows schematic structure of the U-shaped support metal object which concerns on this embodiment. It is a front view which shows the notch of the state which accommodated the U-shaped support metal object which concerns on this embodiment. It is a perspective view which shows 1 process of the installation process of the handrail which concerns on this embodiment. It is a perspective view which shows 1 process of the installation process of the handrail which concerns on this embodiment. It is a perspective view which shows 1 process of the installation process of the handrail which concerns on this embodiment. It is a perspective view which shows 1 process of the installation process of the handrail which concerns on this embodiment. It is a perspective view which shows 1 process of the installation process of the handrail which concerns on this embodiment. It is a perspective view which shows 1 process of the installation process of the handrail which concerns on this embodiment. It is a perspective view which shows the modification of the cover part which concerns on this embodiment. It is a perspective view which shows the modification of the cover part which concerns on this embodiment. It is sectional drawing seen from the XII-XII cutting line in FIG. It is a perspective view which shows the modification of the U-shaped support metal object which concerns on this embodiment. It is a perspective view which shows the modification of the U-shaped support metal object which concerns on this embodiment. It is a perspective view which shows the modification of the board | plate material which concerns on this embodiment. It is a perspective view which shows the modification of the board | plate material which concerns on this embodiment. It is a perspective view which shows the modification of the handrail which concerns on this embodiment.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is an exploded perspective view showing a schematic configuration of a handrail according to the present embodiment. The handrail 1 is installed on the stairs 100 (see FIG. 4). The handrail 1 is provided with a plate member 2, a U-shaped support metal 3 that supports the upright plate member 2, and a cover member 4 that holds the lower end portion of the plate member 2 over its entire width.

  The plate 2 is, for example, a glass plate, and is formed in a substantially parallelogram shape in which the upper side and the lower side are inclined with respect to the horizontal plane in accordance with the inclination of the stairs 100. The lower end portion 21 of the plate member 2 is chamfered so as to contact the floor.

  A plurality (two in this embodiment) of U-shaped support hardware 3 is provided, and is provided at both ends of the lower end of the plate member 2. The U-shaped support metal 3 is a U-shaped support metal having a substantially U-shaped concave portion 33 opened upward. In addition, the sum total of the widths w1 and w2 of the plurality of U-shaped support hardwares is ½ or less of the width w3 of the plate 2.

FIG. 2 is a perspective view showing a schematic configuration of the U-shaped support hardware 3.
As shown in FIG. 2, the U-shaped support metal 3 includes a bottom plate 31 fixed to the fixed surface and a pair of wall portions 32 erected from the bottom plate 31. A concave portion 33 is formed by the inner surface of the wall portion 32.
A plurality of through holes 35 through which the fixing bolts 34 are inserted are formed in the bottom plate 31 at positions outside the pair of wall portions 32.
The pair of wall portions 32 are formed in a substantially U shape in the top view with the outside open, and are arranged so that the back plates 36 face each other with a space therebetween. Further, at both ends of the back plate 36, reinforcing portions 37 that project outward and extend uniformly from the bottom plate 31 in the vertical direction are integrally provided.
The lower end portion of the plate member 2 is inserted into the interval formed between the back plates 36, that is, the recess 33, and the inflatable fixing member 38 is filled so as to sandwich the plate member 2. As a result, the plate material 2 is fixedly erected on the U-shaped support metal 3.

  The cover member 4 is provided on the opposite side of the staircase 100 side and the plate material 2, and the upper surface is formed in a step shape corresponding to each step of the staircase 100. The bottom surface of the cover member 4 is inclined with respect to the horizontal plane in accordance with the inclination of the stairs 100. On the bottom surface of the cover member 4, notches 41 for accommodating the U-shaped support metal 3 are provided at both ends.

  FIG. 3 is a front view showing the notch 41 in a state in which the U-shaped support metal 3 is accommodated. As shown in FIG. 3, the notch 41 is formed in a substantially rectangular shape with respect to the bottom surface of the cover member 4. This notch 41 is formed larger than the U-shaped support metal 3.

  And the decorative plate 5 which overlaps so that the notch 41 may be obstruct | occluded with respect to the cover member 4 (refer FIG. 8, FIG. 9). The decorative board 5 is, for example, a plaster board. The outer shape of the decorative plate 5A overlapping the cover member 4 on the staircase 100 side is formed so as to correspond to the shape in which the notch 41 of the cover member 4 is filled. On the other hand, the outer shape of the decorative board 5B overlapping the cover member 4 on the opposite side is formed so as to cover from the cover member 4 to the floor.

Next, the installation process of the handrail 1 which concerns on this embodiment is demonstrated.
As shown in FIG. 4, two halves 102, which are girders inclined like the stairs 100, are overlapped and fixed to the opposite side surface of the stairs 100 already installed along the wall 101. To do. The upper surface (inclined surface) of the half 102 becomes a fixed surface 102 a for fixing the U-shaped support metal 3. Thereby, the fixed surface 102a is provided along the staircase 100 and becomes an inclined surface along the ascending / descending direction of the staircase 100.

  Next, as shown in FIG. 5, a reinforcing pillar 103 is erected below the half 102 and the half 102 is supported by the reinforcing pillar 103.

  Next, as shown in FIG. 6, the plate member 2 to which the two U-shaped support fittings 3 are attached in advance at predetermined positions is fixed on the fixed surface 102 a of the half 102. Specifically, the U-shaped support metal 3 and the half 102 are fixed by inserting fixing bolts 34 into the plurality of through holes 35 of the bottom plate 31 and driving them into the half 102 (see FIG. 3).

  Next, as shown in FIG. 7, the cover member 4 is attached on the half 102 so that the cover member 4 overlaps the respective surfaces on the staircase 100 side and the opposite side at the lower end portion of the plate member 2. At this time, alignment is performed so that the U-shaped support hardware 3 is accommodated in the notch 41.

Next, as shown in FIG. 8, the decorative plate 5 </ b> A is overlapped and fixed to the cover member 4 on the staircase 100 side.
Next, as shown in FIG. 9, the decorative plate 5 </ b> B is overlapped and fixed to the opposite cover member 4.
Thereby, installation of the handrail 1 is completed.

  As described above, according to the present embodiment, the lower end portion of the plate member 2 is inserted into the recesses 33 of the plurality of U-shaped support fittings 3 fixed to the fixed surface 102a, and the inflatable fixing member 38 is provided. Since the plate material 2 is erected by being filled so as to sandwich the plate material 2, it is fixed to the fixed surface 102a without forming a groove for fixing the plate material on the fixed surface as in the prior art. The plate member 2 can be erected reliably through the U-shaped support metal 3. Therefore, it is possible to provide a handrail that can be easily applied to general houses and small-scale construction.

  In addition, since the sum of the widths w1 and w2 of the plurality of U-shaped support hardware 3 is ½ or less of the width w3 of the plate member 2, the width of the U-shaped support hardware 3 does not have to be longer than necessary. . This makes it easier to handle the U-shaped support hardware 3, so that workability can be improved. In addition, manufacturing costs can be reduced. Furthermore, the apparent balance between the plate material 2 and the U-shaped support metal 3 can be improved.

Further, since the U-shaped support metal 3 is fixed to the fixed surface 102a by a plurality of bolts 34, a groove is formed in the fixed surface 102a and the plate member 2 is fixed in the groove. A simple configuration can be obtained.
Further, when the U-shaped support metal 3 is simply fixed to the fixed surface 102a by the adhesive, when the force acts in the plate thickness direction, the force for peeling the U-shaped support metal 3 from the fixed surface 102a is obtained. Because it works, the long-term stability remains a question. However, if the U-shaped support metal 3 is fixed to the fixed surface 102a by the bolt 34, the U-shaped support metal 3 is firmly maintained on the fixed surface 102a even if a force acts in the direction of peeling. And stability over a long period of time can be ensured.

Further, since the reinforcing portion 37 along the vertical direction is provided on the outer surface of the wall portion 32 forming the concave portion 33, the strength of the wall portion 32 is enhanced by the reinforcing portion 37, and consequently the U-shaped support metal 3 itself. The strength of the can be increased.
Further, when a force acts on the plate member 2 in the thickness direction, a force in the wall thickness direction also acts on the wall portion 32. Even if the force in the wall thickness direction is applied, if the reinforcing portion 37 is provided, the wall portion 32 can be made difficult to bend and damage to the wall portion 32 can be prevented.

Moreover, since the cover member 4 has covered the lower end part of the board | plate material 2 with the U-shaped support metal fitting 3, the appearance of the lower end part of the board | plate material 2 can be improved. Moreover, when providing the decorative board 5 so that the U-shaped support metal 3 and the cover member 4 may be covered further, the cover member 4 can also be used as the base material.
Moreover, since the notch 41 for accommodating the U-shaped support metal 3 is provided in the cover member 4, the U-shaped support metal 3 and the cover member 4 can be integrated, and the U-shaped support metal 3 can be integrated. Impressive appearance with a conspicuous sense of unity. Moreover, when providing the decorative board 5 so that the U-shaped support metal 3 and the cover member 4 may be further covered, the U-shaped support metal 3 does not become the hindrance, and workability can be improved.

  The fixed surface 102a is provided along the staircase 100 and is an inclined surface along the ascending / descending direction of the staircase 100, and the upper side and the lower side of the plate member 2 are substantially parallel to the inclination of the fixed surface 102a. Therefore, it is not necessary to form a conventional groove on the fixed surface 102a provided along the staircase 100, and a simple configuration can be adopted and the appearance is good. A handrail 1 can be provided.

Note that the present invention is not limited to the above embodiment, and can be modified as appropriate.
For example, in the present embodiment, the plate material 2 made of a glass plate has been described as an example, but as the plate material, a plate-like member other than the glass plate such as an acrylic plate or a wooden plate can be used.

Moreover, in the said embodiment, although the case where the cover member 4 was formed in the shape corresponding to each level | step difference of the staircase 100 was illustrated and demonstrated, for example, as shown in FIG. 10, the lower end of the exposed part in the board | plate material 2 is demonstrated. A cover member 4A having a shape such that is linear may be used. Further, if the lower end of the exposed portion of the plate member 2 is linear, as shown in FIG. 11, it is arranged between the plurality of U-shaped support hardware 3, and the upper surface of the U-shaped support hardware 3 You may make it provide the cover member 4B which becomes the same surface.
Thus, the cover member 4A, 4B covers the lower end portion of the plate member 2 together with the U-shaped support hardware 3 so that the lower end of the exposed portion of the plate member 2 is linear. Can be better.
12 is a cross-sectional view taken along line XII-XII in FIG. As shown in FIG. 12, an inflatable fixing member 38 is provided between the pair of back plates 36 of the U-shaped support metal 3 so as to sandwich the plate material 2. Further, a cushion material 50 such as rubber is provided between the plate material 2 and the bottom plate 31.

Moreover, in the said embodiment, although the handrail 1 installed in the staircase 100 was illustrated and demonstrated as the handrail which concerns on this invention, the structure based on this invention is applied also to the handrail installed in a flat fixed surface. Is possible.
Moreover, although the said embodiment demonstrated and demonstrated the case where the two U-shaped support metal objects 3 were arrange | positioned at predetermined intervals, even if three or more U-shaped support metal objects 3 are provided. If the plate material 2 can be stably supported, one U-shaped support metal 3 may be provided.

  Moreover, in the said embodiment, the reinforcement part 37 of the U-shaped support metal fitting 3 is provided in the both ends of the backplate 36, and demonstrates and demonstrates the case where it extends uniformly from the bottom plate 31 to the up-down direction. However, the shape and installation location of the reinforcing portion 37 are not limited to this. For example, as shown in FIG. 13, a reinforcing portion 37A provided substantially at the center of the back plate 36, or a reinforcing portion 37B provided at both end portions of the back plate 36 and gradually increasing in thickness downward as shown in FIG. Etc.

In the above embodiment, the case where the planar plate member 2 is supported by the U-shaped support metal 3 has been described as an example. However, the L-shaped plate member 2A shown in FIG. A three-dimensional plate material for a corner portion such as a plate material can be supported by the U-shaped support metal 3.
It is also possible to support a curved plate 2B as shown in FIG. In addition, when doing so, it is necessary to match the shape of the U-shaped support metal 3 with the curvature of the plate 2B. If curved plate members 2B are combined, an arc-shaped handrail 1B can be formed as shown in FIG.

DESCRIPTION OF SYMBOLS 1 Handrail 2 Plate material 3 U-shaped support metal 4 Cover member 5 Decorative plate 21 Lower end portion 31 Bottom plate 32 Wall portion 33 Recessed portion 34 Bolt 35 Through hole 36 Back plate 37 Reinforcement portion 38 Inflatable fixing member 41 Notch 100 Stair 101 Wall 102 Half 102a Fixed surface 103 Column

Claims (10)

Board material,
A plurality of U-shaped support hardware having a substantially U-shaped concave portion opened upward and fixed to a fixed surface;
A handrail in which the plate material is erected by inserting a lower end portion of the plate material into the concave portion of the U-shaped support metal and filling an inflatable fixing member so as to sandwich the plate material. There,
The sum total of the width | variety of these U-shaped support metal fittings is 1/2 or less of the width | variety of the said board | plate material, The handrail characterized by the above-mentioned . The handrail according to claim 1 ,
A handrail further comprising a cover member that covers the lower end portion of the plate material together with the U-shaped support metal so that the lower end of the exposed portion of the plate material is linear . In the handrail according to claim 1 or 2 ,
The fixed surface is formed along an inclination formed by stairs,
The handrail characterized in that the plate member is formed in a substantially parallelogram shape whose upper side and lower side are substantially parallel to the inclination of the fixed surface . Board material,
A plurality of U-shaped support hardware having a substantially U-shaped concave portion opened upward and fixed to a fixed surface;
A handrail in which the plate material is erected by inserting a lower end portion of the plate material into the concave portion of the U-shaped support metal and filling an inflatable fixing member so as to sandwich the plate material. There,
A cover member that covers the lower end of the plate together with the U-shaped support metal so that the lower end of the exposed portion of the plate is linear;
The handrail characterized in that the cover member is provided with a notch for accommodating the U-shaped support metal . The handrail according to claim 4 ,
The sum total of the width | variety of these U-shaped support metal fittings is 1/2 or less of the width | variety of the said board | plate material, The handrail characterized by the above-mentioned . In the handrail according to claim 4 or 5 ,
The fixed surface is formed along an inclination formed by stairs,
The handrail characterized in that the plate member is formed in a substantially parallelogram shape whose upper side and lower side are substantially parallel to the inclination of the fixed surface . Board material,
A plurality of U-shaped support hardware having a substantially U-shaped concave portion opened upward and fixed to a fixed surface;
A handrail in which the plate material is erected by inserting a lower end portion of the plate material into the concave portion of the U-shaped support metal and filling an inflatable fixing member so as to sandwich the plate material. There,
The fixed surface is formed along an inclination formed by stairs,
The handrail characterized in that the plate member is formed in a substantially parallelogram shape whose upper side and lower side are substantially parallel to the inclination of the fixed surface .   The handrail according to claim 7,
  A handrail further comprising a cover member that covers the lower end portion of the plate material together with the U-shaped support metal so that the lower end of the exposed portion of the plate material is linear.   In the handrail as described in any one of Claim 1 to 8,
  The handrail, wherein the U-shaped support hardware is fixed to the fixed surface by a plurality of bolts.   The handrail according to any one of claims 1 to 9,
  A handrail characterized in that a reinforcing portion along the vertical direction is provided on the outer surface of the wall portion forming the concave portion in the U-shaped support metal.

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