JP5247187B2 - Handrail and its construction method - Google Patents

Description

  The present invention relates to a handrail attached to the upper surface of a veranda or a balcony and its construction method, and more particularly to a handrail constructed by a preview-less construction method that does not require on-site measurement and its construction method.

  For example, as disclosed in Patent Document 1, a handrail attached to a casing around a veranda or a balcony has a coping fixed to the upper surface of the casing, a column is mounted on the coping, and a trunk edge is mounted on the column. It is fixed and covered with a coping on the torso. In addition, covers will be provided at seams and coping joints. One of the methods for constructing such handrails is to measure the dimensions of each veranda at the construction site, adjust the length of the coping, trunk edge, and headboard by a process such as cutting on the site, and use a fastener for fastening. There is a method of processing and assembling a hole for insertion. According to the construction method for processing materials on site, space, time, and labor for processing on site are required, and the construction cost becomes high.

  As a construction method of the handrail that solves such problems, there is a construction method that is commonly called a guardless construction method. This construction method is a construction method in which the length of the coping, trunk edge, and headboard is processed at the factory based on the drawings of the veranda and the balcony, and the materials are assembled without processing at the site. If this construction method is used, since there is no processing such as cutting at the site, construction at the site is easy, and it is possible to shorten construction time, labor, and construction costs.

  Conventionally, when handrails are constructed by this preview-less construction method, the material structure and assembly procedure as shown in FIGS. In FIG. 14, reference numeral 50 denotes a casing provided around a veranda or a balcony, which constitutes an outer wall or a fence. Reference numeral 51 denotes a mounting bracket fixed on the housing 50. Reference numerals 52 and 53 denote a corner unit and a linear unit, which are pre-assembled in the factory. 54 and 55 are copings that are fitted and fixed to the mounting bracket 51, 56 and 57 are columns fixed on the copings 54 and 55 by fixtures (not shown), and 58 and 59 are columns 56 and 57. The barrel edges 60 and 61 are fixed to the barrel edges 58 and 59 by the fixing tool 62 (see FIG. 16).

  In the conventional construction method, the dimensions of the housing 50 are known from the drawings of the building at the site, and the lengths of the copings 54 and 55, the columns 56 and 57, the trunk edges 58 and 59, and the headboards 60 and 61 are set to the dimensions of the housing 50 in the factory. Processing to match. Then, the units 52 and 53 are assembled at the factory or the site. At the time of this assembly, as shown in FIGS. 15 and 16, the middle part of the trunk edge 58 of the corner unit 52 is fixed on the support 56 by the fixing device 62, and the trunk edge 58 of the corner unit 52 is fixed to the headboard 60. Cover with. At this time, the end portion of the trunk edge 58 extends from the end portion of the headboard 60. The end of the extended trunk edge 58 and the trunk edge 58 of the straight part unit 53 are covered with a headboard 61 for the straight part unit 53, and a gap between the headboards 60 and 61 is covered with a cover 63. The gap between the copings 54 and 55 is covered with a cover 64.

JP 2000-248711 A

  In the conventional handrail described above, the gap G between the trunk edges 58 and 59 is exposed on the lower surface of the headboard 60 as shown in FIG. However, since these body edges 58 and 59 are made of an extruded material made of an aluminum alloy, the end surfaces are cut surfaces, are sharp, and have problems to be improved in terms of improving safety.

  Further, since the trunk edges 58 and 59 of the units 52 and 53 are integrally covered with the headboard 61 at the portions extending from the fixing portions on the columns 56 and 57 into the air, the support strength by the columns 56 and 57 is increased. In order to ensure it, the column 56 of the corner unit 52 and the column 57 of the linear unit 53 are arranged close to each other. For this reason, as shown in FIG. 14, there is a problem that the interval A between the columns 56 and 57 and the interval B between the columns 57 and 57 are not uniform, and the appearance is poor. In addition, there is a problem that the total number of the columns 56 and 57 is increased in order to secure the strength.

  In view of the above-mentioned problems, the present invention is a handrail constructed by a guardless construction method, and it is possible to improve safety and improve the appearance, and to reduce the number of support posts and its construction. It aims to provide a method.

The construction method of the handrail of the present invention is a construction method of the handrail for constructing the handrail on the veranda or the balcony surrounding the balcony having the corner portion and the straight portion,
As a corner unit, a coping with a structure that is bent in plan view corresponding to the corner body, a plurality of pillars fixed on this coping, and mounted on this pillar, it corresponds to the corner body The plan view has a curved structure, and an end facing the end of the trunk edge of the linear unit is placed on one side area of the upper surface of the end post, and penetrates through the end and the post Preparing a thing having a trunk edge to be fixed by a fixing tool screwed into the tapping hole of
As a straight section unit, a linear coping, a plurality of struts fixed on the coping, and placed on these struts and fixed by fixtures, one end portion extends horizontally from the top of the end struts. Preparing a thing having a taken-out trunk edge;
The said corner unit and the linear portion unit, an end portion of the furring strip of the straight section unit, in the remaining area of the strut top with a fixed end of the furring strip of the corner unit, the corner portion unit The unit is placed with a gap determined by an error between the drawing of the chassis and the actual construction dimensions between the end of the trunk edge, and the respective units are co-operated on the corner and the straight part of the chassis, respectively. Fixing, and
Reinforcing members are coupled between the end portions of the body edge of the corner unit facing each other and the end portions of the body edge of the linear unit, and the reinforcing members are connected to the body portions of both units. Fixing to the edge with a fixing tool;
A step of attaching the headboard covering the trunk edge of the corner unit, covering a part of the headboard to a part of the trunk edge of the linear unit; and
And a step of covering with a cover a gap between end portions of the headboards of the corner unit and the linear unit and a gap between copings.

The handrail of the present invention is a handrail provided on a casing around a veranda or balcony having a corner portion and a straight portion,
A corner unit provided on the corner housing and a linear unit provided on the linear housing;
The corner unit is placed on the casing of the corner portion, and has a structure having a curved plan view corresponding to the corner portion, a plurality of support posts fixed on the coping, and these support posts. It has a structure that is placed on and bent in plan view, and an end facing the end of the trunk edge of the linear unit is placed on one side area of the upper surface of the end support column , and this end A barrel edge that is fixed by a fixing tool that penetrates and is screwed into the tapping hole of the support column, and a headboard that covers the trunk edge,
The linear portion unit is a linear coping, a plurality of support posts fixed on the coping, and placed on the support posts and fixed by a fixture, and at least one end portion of the corner unit The cylinder is placed in the remaining area on the upper surface of the end column with a gap determined by the error between the drawing of the frame and the actual construction dimension between the end of the cylinder edge of the corner unit. An edge and a scab over the torso,
Fitted to the end of the corner edge of the corner unit and the edge of the linear unit facing each other, and fixed to each body edge of both units by a fixture to couple them together And a reinforcing member to be
Coping for covering the body edge of the corner unit covers the end portion of the furring strip of the corner unit, the gap between the end portion of the furring strip of the straight section unit,
The cover is covered with a gap between end portions of the headboards of the corner unit and the linear unit and a gap between copings.

According to the present invention , the waist edges of the corner unit are opposed to each other at the upper part of the column, the barrel edge of the corner unit is fixed to the column by the fixture, and the barrel edge of the linear unit is simply placed. Since the gap between the edges is covered with the headboard of the corner unit, the gap between the trunk edges is hidden by the support and is not exposed on the lower surface of the headboard. For this reason, the end surface which is a cut surface of the trunk edge does not appear outside, and safety is improved.

  Moreover, since the trunk edges are connected to each other on the support column, the strength of the connecting portion between the trunk edges is easily ensured. For this reason, it is not necessary to narrow the interval between the support of the corner unit and the straight unit as in the conventional case, the number of support can be reduced, and the cost can be reduced. Moreover, the space | interval of a support | pillar can be made uniform and an external appearance can be improved.

Moreover, since the reinforcing member which fits the edge parts of the trunk edges which oppose on a support | pillar to these trunk edges, and these were fixed to the trunk edge with the fixing tool, the coupling | bonding strength of trunk edges increases.

  FIG. 1 is a perspective view showing an embodiment of a handrail according to the present invention, and FIG. 2 is a longitudinal sectional view thereof. Reference numeral 1 denotes a housing standing on the periphery of the veranda or balcony. As shown in FIG. 2, the housing 1 is configured by providing an exterior material 1b made of siding or paint around a wooden wall material 1a. The casing 1 of this example has a structure in which protruding corner-shaped corner portions 1c and 1c are provided at both ends, and a linear portion 1d is provided therebetween.

  The handrail is mounted on the housing 1 and includes a corner unit 2 fixed on the corner 1c of the housing 1 and a linear unit 3 fixed on the straight portion 1d of the housing 1.

The corner unit 2 includes a coping 4 assembled in an L shape in plan view, a plurality of ( three in the illustrated example) columns 5 fixed thereon, and a body fixed to the upper surface of these columns 5. It consists of an edge 6 and a headboard 7 that covers the trunk edge 6. The straight line unit 3 includes a linear coping 8, a plurality of support columns 9 (two in the illustrated example) fixed on the coping 8, a trunk edge 10 fixed on the upper surface of the support columns 9, It consists of a headboard 11 that covers the trunk edge 10. The copings 4 and 8, the columns 5 and 9, the trunk edges 6 and 10, and the headboards 7 and 11 are made of an extruded shape made of aluminum alloy.

  On the housing 1, a plurality of coping fittings 14 are fixed at intervals by a fixing tool 13 such as a tapping screw. The coping 4 has a top plate portion 4a and side plate portions 4b on both sides, and has an engaging portion 4c for fixing the coping 4 to the mounting bracket 14 on the inner surface of the side plate portion 4b. The coping 4 is pressed from the upper surface of the mounting bracket 14, the side plate portion 4 b is slid along the inclined surfaces 14 a on both sides of the mounting bracket 14, and the top plate portion 4 a of the coping 4 is moved to the spacer 15 provided on the upper surface of the mounting bracket 14. Is attached by elastically locking the locking portion 4c to the tip of the mounting bracket 14. The coping 8 is also attached to the housing 1 with the same structure.

3 and 4 are diagrams showing a structure for attaching the column 5 to the coping 4. The column 5 has a rectangular cross-sectional shape and has four tapping holes 5a inside. Reference numeral 16 denotes a seal plate interposed between the lower surface of the support column 5 and the upper surface of the coping 4. The seal plate 16 has a rectangular shape that is slightly wider than the width of the support column 5 and has at least one cut-out notch 16a around the periphery. In this example, the notches 16a are provided on two sides of the seal plate 16 facing the inside and outside of the housing 1. The support 5 is inserted into a tapping hole 5a by inserting a fixing tool 19 such as a tapping screw into the hole 17a of the back plate 17 applied to the lower surface of the coping 4, the through hole 4d provided in the coping 4, and the hole 16a of the seal plate 16. It fixes to the coping 4 by screwing. The back plate 17 has projecting portions 17b on both sides of the lower portion. By placing the projecting portions 17b on the concave portions 14b on the upper surface of the mounting bracket 14, the load applied to the column 5 can be applied to the back plate 17 and the mounting bracket 14. And supported by the housing 1. The sealing plate 16 discharges rainwater entering the support column 5 from the removal portion 16a to the outside of the support column 5, and prevents rainwater from flowing down from the through hole 4d of the fixture 19 to the case 1 side and deteriorating the case 1. To do. The support 9 is also attached to the coping 8 with the same structure.

  FIG. 5 shows a structure for attaching the trunk edges 6 and 10 to the column 5. FIG. 6 is an enlarged view of the upper part of FIG. As shown in FIGS. 5 and 6, the body edges 6 and 10 have a substantially U-shaped cross-sectional shape. The end of the barrel edge 6 of the corner unit 2 is placed on a region of half or less on one side of the upper surface of the column 5 and is supported by a fixing tool 20 such as a tapping screw that penetrates the barrel edge 6 and is screwed into the tapping hole 5a. 5 is fixed to the upper surface. On the other hand, the trunk edge 10 of the linear unit 3 is placed on the upper surface of the column 5 with the gap g between the end of the trunk edge 6 in the remaining area. This gap g is determined by the error between the drawing of the housing 1 and the actual construction dimensions.

  Reference numeral 21 denotes a reinforcing member that joins the end of the trunk edge 6 of the corner unit 2 and the end of the trunk edge 10 of the linear unit 3. The reinforcing member 21 has an inverted U-shaped cross-sectional shape fitted into the body edges 6 and 10 and is fixed to the body edges 6 and 10 by a fixing tool 22 such as a tapping screw.

  The headboard 7 has an outer peripheral portion 7 a having a smooth curved shape, and two parallel plate portions 7 b provided vertically inside thereof, and the interval between the parallel plate portions 7 b and 7 b is set to It is formed slightly wider than the width. At the lower end portion of the parallel plate portion 7b, there is a locking claw 7c protruding toward the trunk edge 6 side. Further, on the inner surface of the parallel plate portion 7b, a pressing portion 7d that is brought into contact with the upper end of the trunk edge 6 is formed so as to protrude, and the locking claw is also provided between the locking claw 7c and the pressing portion 7d of the parallel plate portion 7b. 7e is formed. The headboard 7 is attached to the trunk edge 6 by pressing from above the trunk edge 6. That is, the locking claw 7c of the headboard 7 is slid on the square-shaped portion 6a at the upper part of the both side plate portions of the trunk edge 6, and further pressed to lock the locking claw 7c in the locking receiving portion 6b. At the same time, the intermediate claw 7 e is applied to the lower surface of the rectangular portion 6 a of the trunk edge 6, and the pressing part 7 d is applied to the upper end of the trunk edge 6 to fix the headboard 7 to the trunk edge 6.

  1 and 6, reference numeral 23 denotes a cover that covers the gap between the caps 7 and 11. The cover 23 is fitted to one of the caps 7 and 11, and is slid between the caps 7 and 11. It is closed and fixed to the ends of the headboards 7 and 11 by tapping screws 24. The cover 25 that closes the gap between the copings 4 and 5 shown in FIG. These covers 23 and 25 are pressed from above the gap between the caps 7 and 11 or the copings 4 and 5 and are attached to the gaps between the caps 7 and 11 and the copings 4 and 5 using the elasticity of the covers 23 and 25, and are tapped screws. 24 may be fixed. In FIG. 1, reference numerals 27 and 28 denote covers attached to the ends of the headboard 7 and the coping 4 in order to fill the space between the headboard 7 and the coping 4 of the corner unit 2 and the housing (not shown) of the building.

  Next, the assembly process of this handrail will be described. First, get a drawing of the building and know the dimensions of the frame 1. Based on the dimensions of the casing 1, the copings 4, 8, pillars 5, 9, trunk edges 6, 10, and headboards 7, 11 are cut into a predetermined length at the factory. Here, the dimensions of the housing 1 expressed on the drawing vary from a rule of thumb to a maximum length of about 30 mm in the length of the straight portion in a general housing. For this reason, in cutting materials such as coping, cutting is performed so that installation is possible in any case in consideration of the dimensional deviation of the housing 1 at this site. That is, the length of the material is set in consideration of the range of 30 mm which is the maximum variation in the width of the casing 1 from the drawing. Referring to this in the drawing, in FIG. 11, for example, if the lengths of the trunk edges 6 and 10 are L1 and L2, respectively, the total length (2L1 + L2) is the length of the trunk edge assumed from the drawing. It is set to be shorter than the calculated length of 6, 10 by a range of variation (30 mm).

  Next, as shown in FIGS. 7 and 8, as the corner unit 2, a coping 4 combined with a structure having a curved plan view corresponding to the housing 1 of the corner portion, and a plurality of pieces fixed on the coping 4 are provided. What consists of the support | pillar 5 and the trunk edge 6 mounted on this support | pillar 5 is prepared. Here, the trunk edge 6 is also combined with a structure having a curved plan view corresponding to the casing 1 at the corner. Further, as shown in FIGS. 5 and 8, the trunk edge 6 is fixed by placing an end portion facing the end portion of the trunk edge 10 on the linear portion on a partial region of the upper surface of the end column 5. Fix with the tool 20.

On the other hand, as shown in FIGS. 9 and 10, the linear unit 3 includes a linear coping 8 and a plurality of pieces fixed on the coping 8 with a seal plate 16 interposed by a back plate 17 and a fixture 19. 1 and a trunk edge 10 that is placed on these columns 9 and fixed by a fixture 20 and whose one end extends horizontally from the upper surface of the end column 9 is prepared. Here, as shown in FIG. 11, the trunk edge 10 protrudes from the end of the coping 8 by a length indicated by ΔL. This is because the trunk edge 10 can be placed on the upper surface of the end column 5 of the corner unit 2.

  The assembly of the corner unit 2 and the straight unit 3 can be performed on site, but it is preferable in the sense of shortening the site work to be performed in a factory equipped with facilities.

  As shown in FIG. 1, a mounting bracket 14 for fixing the copings 4, 8 and a drainer 26 for preventing leakage of water from the corners and the gaps between the copings 4, 8 onto the housing 1 are provided on the housing 1. Install. Then, the copings 4 and 8 of the corner unit 2 and the linear unit 3 are fixed to the mounting bracket 14 with the structure shown in FIG. Simultaneously with the attachment of the copings 4 and 8 to the housing 1, the end of the trunk edge 10 of the linear unit 3 is placed on the remaining portion of the upper surface of the column 5 at the end of the corner unit 2 as shown in FIG. To do. Here, since the length of the trunk edge 10 is set in consideration of the variation in the size of construction of the housing 1 in the field, it can be placed on the upper surface of the end column 5. As in this example, when there are corner portions on both sides, the position of the coping 8 is slid and adjusted so that both ends of the trunk edge 10 are placed on the upper surfaces of the left and right support columns 5 and 5 respectively.

  In this embodiment, the reinforcing member 21 shown in FIGS. 2, 5, and 6 is fitted between the opposite ends of the body edges 6 and 10, and the fixing tool 22 such as a tapping screw is used. The reinforcing member 21 is fixedly attached to the trunk edges 6 and 10.

  Next, as shown in FIG. 13, the headboard 7 that covers the trunk edge 6 of the corner unit 2 is applied to a part of the trunk edge 10 of the linear unit in which a part of the headboard 7 extends to the corner unit side. Put it on. Further, the headboard 11 of the straight line unit 3 is also attached to the trunk edge 10 and the position thereof is adjusted so that the gaps between both ends of the headboard 11 and the headboard 7 are equal. The headboard 11 may be attached to the trunk edge 10 in advance when the linear unit 3 is assembled.

  Next, the gaps between the ends of the caps 7 and 11 of the corner unit 2 and the linear unit 3 and the gaps between the copings 4 and 8 are covered by the covers 23 and 25.

  As described above, the trunk edges 6 and 10 of the units 2 and 3 are opposed to each other at the upper part of the column 5, one trunk edge 6 is fixed to the column 5 by the fixing tool 20, and the other trunk edge 10 is simply Since the structure is simply placed, the lower surface of the joint of the trunk edge is concealed by the support column 5 and the upper surface is concealed by the headboard 7, so that the entire gap between the trunk edges 6 and 10 is not exposed to the outside. That is, the end face which is the cut surface of the trunk edges 6 and 10 does not appear outside, and the safety is improved.

  Moreover, since the trunk edges 6 and 10 are connected on the support | pillar 5, the intensity | strength of the connection part of the trunk edges 6 and 10 is ensured easily. For this reason, it becomes unnecessary to narrow the space | interval of the support | pillar of a corner part unit and a linear part unit conventionally, and can reduce the number of support | pillars. In the case of this embodiment, the two struts can be reduced as compared with the conventional example shown in FIG. 14, which can contribute to cost reduction. Moreover, as shown in FIG. 1, the space | interval P of a support | pillar can be made uniform and an external appearance can be improved.

  Further, in this embodiment, the reinforcing members 21 that fit the end portions of the body edges 6 and 10 facing each other on the support column 5 to the body edges 6 and 10 are fixed to the body edge with a tapping screw or the like. Since it was fixed by the tool 22, the bonding strength between the waist edges is increased.

  In this embodiment, since the elastic seal plate 16 having the notch 16a is interposed between the copings 4 and 8 and the columns 5 and 9, rainwater is placed in the columns 5 and 9. Will fall on the elastic seal plate 16 sandwiched between the upper surfaces of the copings 4 and 8 and the bottom surfaces of the columns 5 and 9, and then the copings 4 and 8 will be removed from the notch 16a of the seal plate. It is discharged from the gap between the upper surface and the bottom surfaces of the columns 5 and 9. For this reason, water leakage to the housing 1 through the through holes for the fixtures 19 of the copings 4 and 8 is prevented, and deterioration of the housing 1 due to rainwater intrusion can be prevented.

  In the said embodiment, although the case 1 showed about the example which has the corner part of a protruding corner shape in two places, this invention has what has a corner part of an entering corner shape, and a protruding corner shape and an entering corner shape. It can also be applied to cases having both corners.

It is a perspective view which shows one Embodiment of the handrail of this invention. It is a longitudinal cross-sectional view of the handrail of FIG. It is a side view which shows the attachment structure with respect to coping of the support | pillar of FIG. It is a cross-sectional view which shows the attachment structure with respect to coping of the support | pillar of FIG. It is a top view which shows the mounting structure of the trunk | rim edge and reinforcement member of the support | pillar of the corner part unit of this Embodiment. It is sectional drawing which expands and shows the structure of the upper part of FIG. It is a front view which shows the structure of the corner part unit of this Embodiment. It is a longitudinal cross-sectional view which shows the connection structure of the support | pillar, trunk edge, and coping of the corner part unit of FIG. It is a front view which shows the structure of the linear part unit of this Embodiment. It is a longitudinal cross-sectional view which shows the connection structure of the support | pillar, trunk edge, and coping of the linear part unit of FIG. In this Embodiment, it is a front view which shows the state which attached each part of the corner part unit and the linear part unit to the housing. It is the elements on larger scale of FIG. In this Embodiment, it is a front view which shows the process of attaching a cover to the clearance gap between copings, and the clearance gap between copings. It is a perspective view which shows the conventional handrail. It is a perspective view which shows the structure of the connection part of the corner part unit and linear part unit of the handrail of FIG. It is a longitudinal cross-sectional view which shows the structure of the connection part of the trunk edges in the handrail of FIG.

1: Frame, 1c: Corner part, 1d: Straight part, 2: Corner part unit, 3: Straight part unit, 4, 8: Coping, 5, 9: Support, 6, 10: Body edge, 7, 11: Kasagi , 13: Fixing tool, 14: Mounting bracket, 16: Seal plate, 17: Back plate, 19, 20: Fixing tool, 21: Reinforcing member, 22: Fixing tool, 23, 25: Cover, 24: Tapping screw, 26 : Drainer

Claims (2)

In the construction method of the handrail which constructs the handrail on the veranda having the corner portion and the straight portion and the frame around the balcony,
As a corner unit, a coping with a structure that is bent in plan view corresponding to the corner body, a plurality of pillars fixed on this coping, and mounted on this pillar, it corresponds to the corner body The plan view has a curved structure, and an end facing the end of the trunk edge of the linear unit is placed on one side area of the upper surface of the end post, and penetrates through the end and the post Preparing a thing having a trunk edge to be fixed by a fixing tool screwed into the tapping hole of
As a straight section unit, a linear coping, a plurality of struts fixed on the coping, and placed on these struts and fixed by fixtures, one end portion extends horizontally from the top of the end struts. Preparing a thing having a taken-out trunk edge;
The said corner unit and the linear portion unit, an end portion of the furring strip of the straight section unit, in the remaining area of the strut top with a fixed end of the furring strip of the corner unit, the corner portion unit The unit is placed with a gap determined by an error between the drawing of the chassis and the actual construction dimensions between the end of the trunk edge, and the respective units are co-operated on the corner and the straight part of the chassis, respectively. Fixing, and
Reinforcing members are coupled between the end portions of the body edge of the corner unit facing each other and the end portions of the body edge of the linear unit, and the reinforcing members are connected to the body portions of both units. Fixing to the edge with a fixing tool;
A step of attaching the headboard covering the trunk edge of the corner unit, covering a part of the headboard to a part of the trunk edge of the linear unit; and
A method of constructing a handrail, comprising a step of covering a gap between end portions of each headboard and a gap between copings of the corner unit and the linear unit with a cover. In the handrails provided on the veranda or balcony surrounding the corner and the straight part,
A corner unit provided on the corner housing and a linear unit provided on the linear housing;
The corner unit is placed on the casing of the corner portion, and has a structure having a curved plan view corresponding to the corner portion, a plurality of support posts fixed on the coping, and these support posts. It has a structure that is placed on and bent in plan view, and an end facing the end of the trunk edge of the linear unit is placed on one side area of the upper surface of the end support column , and this end A barrel edge that is fixed by a fixing tool that penetrates and is screwed into the tapping hole of the support column, and a headboard that covers the trunk edge,
The linear portion unit is a linear coping, a plurality of support posts fixed on the coping, and placed on the support posts and fixed by a fixture, and at least one end portion of the corner unit The cylinder is placed in the remaining area on the upper surface of the end column with a gap determined by the error between the drawing of the frame and the actual construction dimension between the end of the cylinder edge of the corner unit. An edge and a scab over the torso,
Fitted to the end of the corner edge of the corner unit and the edge of the linear unit facing each other, and fixed to each body edge of both units by a fixture to couple them together And a reinforcing member to be
Coping for covering the body edge of the corner unit covers the end portion of the furring strip of the corner unit, the gap between the end portion of the furring strip of the straight section unit,
A handrail characterized by covering with a cover a gap between end portions of each headboard and a gap between copings of the corner unit and the linear unit.

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