JPH0791887B2 - Roof plate mounting device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof panel mounting device having a new shape and structure for mounting an outer roof panel to an inner roof panel.

[0002]

2. Description of the Related Art FIG. 7 is a sectional view showing a conventional heat insulating double roof device.
FIG. 2 is a plan view showing that the conventional heat insulating double roof apparatus A ′ uses a roof plate mounting device B ′ on the outer side of an inner roof plate 1 made of a folded type steel plate and an outer roof plate 2 also made of a folded plate steel sheet. The inner roof panel 1 and the outer roof panel 2 are separated by a heat insulating layer 3 such as a glass wool layer. The inner roof plate 1 is attached to a purlin, a beam or the like via a metal panel receiving frame 4 and a metal suspender 5 attached to the panel receiving frame 4. Reference numeral 6 denotes bolts and nuts for attaching the suspension 5 to the panel receiving frame 4.

The roof plate mounting device B'includes a strip-shaped metal frame 7 integrally having a horizontal portion 7a, an inclined portion 7b, and a rising portion 7c extending to a horizontal end portion of the inclined portion 7b,
Phases adjacent to each of the rising portion 7c of the arranged frame 7, 7, a pair of thin plate made of synthetic resin 8, 8 disposed between 7c, is disposed between the pair of thin plate 8,8, bolt The metal suspension 10 is fastened together with the rising portions 7c and 7c and the thin plates 8 and 8 by a nut 9. The suspension 10 is fastened and fixed between the thin plates 8 and 8 by bolts and nuts 9, and the head 11 of the suspension 10 is connected to the outer roof plate 2 by a crimping structure.

[0004]

The conventional example described above has the following problems.

[0005] (1) retaining clips 10 comes into contact with the outside roof plate 2, this
Bolts and nuts 9 comes into contact with the said retaining clips 10 to retaining clips 10 through the shaft portion of the bolt extending through and bolts and nuts 9 are in contact with the rising part 7c of the frame 7, which are since all of the heat is transmitted easily metal (steel plate), in particular good continuous heat transfer path of the thermal conductivity by the outer roof panel 2 and the retaining clips 10 and bolt and nut 9 and the frame 7 are formed Become Outer shingles 2 via this heat transfer path
There is a temperature difference between the outer side of the
When the temperature difference becomes large , dew is condensed on the surfaces thereof, the condensed water is absorbed by the heat insulating layer 3, and the heat insulating performance of the heat insulating layer 3 itself is deteriorated. When causing such a situation, the heat insulating performance of the combined insulated double roof apparatus A 'and the movement amount of heat transferred to the heat transfer path is more often significantly reduced as compared to the initial performance, winter heating effect And the cooling effect in summer is impaired.

Further, dew condensation also occurs on the lower surface of the inner roof plate 1 to cause rusting, and condensed water drops may drop on the ceiling.

(2) Since the frame 7 is a long member that straddles two peaks of the inner roof plate 1, the frames 7, 7
Roof board mounting device B'comprising a thin plate 8 and a sling 10
If the bolts and nuts 9 are temporarily pre-assembled before the roofing board is constructed, it will be long and heavy, and it will be troublesome to carry and handle, and the workability when mounting it on the inner roofing board 1 will be extremely deteriorated. Therefore, the roof plate mounting device B '
Requires the troublesome and troublesome work of separately carrying the components such as the frame 7 to the construction site and assembling them at the site.

(3) Since it is necessary to change the shape or size of the frame 7 according to the working width of the inner roof plate 1, it takes time to manufacture the frame 7.

Among the problems of such a conventional example,
In order to solve the problem of (1), for example
No. 58117 and Japanese Utility Model Publication No. 2-101917.
The disclosed roof panel mounting device has been conventionally proposed.
The roof plate mounting devices disclosed in these publications are used for inner roofs.
Holds the connecting part (projection part) of the plate-side hanger, cap, etc.
With a synthetic resin heat insulator interposed between the pair of legs,
The heat transfer path formed between the root plate and the inner roof plate is continuous
It is configured not to. However, this
In the roof plate mounting device disclosed in the above publication, the above pair
It is a structure that only clamps the connecting part (protruding part) with the legs of
In order to ensure that the roof plate mounting device is
If there is a deviation in the intersecting direction, the deviation is blocked.
It is difficult to stop. Therefore, it was applied to a steep roof
The roof panel mounting device and the outside
The roof plate easily slides down the slope, which causes moisture
The holes that cause the entry of
There is a problem that it will occur.

The present invention has been made in view of the above-mentioned circumstances , and transportation and handling in a state of being temporarily assembled in advance before construction.
It is easy to use, and a continuous heat transfer path by metal
It is possible to form an insulated double roof with good workability as a whole without forming a roof , and it is applicable to steeply sloping roofs.
Even if it does, it may slip off and the water
It is an object of the present invention to provide a roof panel mounting device that does not invite .

[0011]

[Means for Solving the Problems] To achieve the above object
In addition, the roof plate mounting device according to the present invention includes a heat insulating support made of synthetic resin or the like, in which a body part is provided with flange parts projecting to both sides thereof, and a mounting plate part that is overlaid on the flange part of the support part. A pair of holding tools, which extend below the mounting plate portion and are overlapped with the side surfaces of the protrusions provided on the inner roof plate, and which are arranged on both sides of the support body; and the support body. Clamping the claws with each other through the claws, and the claws that clamp the projecting portions of the inner roof plate by the leg plates of the pair of the claws by the tightening force, and the outer roof plate attached to the top of the support possess a mounting frame, and a fixture frame relative to the support, put on the pair of pincer
On the opposite leg plates, the protrusions on the inner roof plate side in the clamping direction.
Each inward locking piece that presses against the projecting part is formed.
It is characterized by that.

[0012]

According to the roof plate mounting apparatus according to the present invention, overlapping the pair of clamping members to both sides of the support, and connecting the flange portions of the pair of support by tightening loose fasteners, support It is compactly assembled or temporarily assembled by attaching the frame to the top of the with a fixture. Therefore, the roof plate mounting device is independent for each connection part of the inner roof plate,
The member such as the conventional frame that obstructs the work of spreading the heat insulating layer between the inner roof plate and the outer roof plate is unnecessary. Further, in the use state, since the projecting portions of the inner shingles are held by the leg plate portions of the pair of holding tools, they can be easily attached to the inner shingles. Furthermore, since a support made of synthetic resin, which is less likely to transfer heat than metal, is interposed between the frame to which the outer roof board is connected and the holding tool, and the holding tool is not in contact with the outer roof board, A continuous heat transfer path made of metal that connects the outer and inner shingles is not formed. In addition
Are formed on the leg plates that face each other in the pair of clamps.
The inward locking piece that is in contact with the protruding part on the inner roof plate side
And the roof plate mounting device is clamped by the leg plate part
It is prevented from shifting in the direction orthogonal to the direction
Support the outer shingles to the proper mounting position with respect to the inner shingles.
It is possible to have it. Therefore, the steep roof
Even when applied, it prevents the outer shingles from slipping off.
Form a hole that causes moisture to enter due to slipping
It will not be done.

[0013]

DETAILED DESCRIPTION FIG. 1 is a perspective view of the roof plate mounting apparatus B according to an embodiment of the present invention, FIG. 2 is a longitudinal sectional front view of the apparatus, Figure 3 is a longitudinal side view, the roof plate mounting device B, synthesis Support 20 made of resin, a pair of holding tools 40 made of metal, and a fastening tool 50
And a metal frame 60 and a fixture 7 for the frame 60
Has 0 and.

FIG. 4 is an exploded perspective view of the support 20. As shown in FIG. 1 and FIGS. 1 to 3, the support body 20 includes a base body 21 and a height adjusting member 22. The base body 21 is integrally provided with flanges 24, 24 projecting to both sides (front-back direction) of a body portion 23 having a rectangular horizontal sectional shape. And
The body portion 23 has projecting portions 25, 25 on the left and right of the upper end portion thereof, and a wide groove-shaped recess 26 is formed on the top surface thereof. Positioning holes 28, 28 and escape holes 29, 29 are formed on both sides, respectively. The body portion 23 has a hollow portion 30 whose lower end is open, and the square hole 27 is connected to the hollow portion 30. The lower end surface 31 of the flange 24 is flush with the lower end surface 32 of the body portion 23 (see FIG. 3), and square holes 33 are formed in appropriate places in a penetrating shape. Reference numeral 34 is a recessed portion formed below the protruding portion 25 in the body portion 23. The height adjusting member 22 has a wide convex portion 35 that can be fitted in the recess 26 and a pair of front and rear positioning protrusions 36 on the lower surface.
And a recess 3 having the same shape as the recess 26 on the upper surface.
Have 7. Further, a square hole 38 is formed in the center of the recess 37, and escape holes 39, 39 are formed on both front and rear sides of the square hole 38, respectively.

Positioning projections 36, 3 of the height adjusting member 22
Reference numeral 6 denotes positioning holes 28, 2 of the body portion 23 of the base body 21.
When the positioning protrusions 36, 36 are inserted into the positioning holes 28, 28, the wide convex portion 35 is fitted into the recess 26 so that the square holes 27, 38 are continuous, and the height adjusting member 22 is provided. The four outer surfaces of the protrusions 2 in the body portion 23.
It is flush with the outer surface of 5, 25 and the outer surface between them. Further, when the height adjusting member 22 is superposed on the body portion 23 in this way, the relief holes 29, 29 on the base body 21 side and the relief hole 3 on the height adjusting member 22 side are formed.
The reference numerals 9 and 39 are arranged so as to overlap in the vertical direction.

The holding tool 40 shown in FIGS. 1 to 3 has a hook-shaped engaging piece portion 42 protruding outward from each of a pair of front and rear mounting plate portions 41, 41 which are superposed on the flange portions 24, 24. , 42, and the backing plate portion 44 is cut and raised to the spreading piece portion 43 protruding outward from the lower ends of the mounting plate portions 41, 41, and the mounting plate portions 41, 4 are formed from the spreading piece portion 43.
1, the leg plate portion 45 is extended downward and the leg plate portion 4
5 is provided with an inward folding piece portion 46 at the lower end, and diagonally inward locking piece portions 47, 48 are provided at the front and rear ends of the leg plate portion 45 and the front and rear ends of the spreading piece portion 43, respectively. I am allowed . Further, the gripping tool 40 has legs that face each other.
Within the same plane as the sandwiching direction (left-right direction) on the plate parts 45, 45
Diagonally inward at both ends in the front-back direction
It is bent so that it protrudes to the inside, and the protruding part on the side of the inner roof plate described later
And locking pieces 47, 47 that are pressed against
On the other hand, at both ends of the spreading piece 43 in the front-rear direction,
It is bent so as to project diagonally inward, and pressure is applied to the above-mentioned projection.
The engaging piece portions 48, 48 contacting each other are respectively provided, and further, a screw insertion hole 49 is formed in the center of the leg plate portion 45. In addition, the mounting plate portions 41, 41 have square holes 41.
a and 41a are formed.

The fastener 50 has a square rooted bolt 51, a nut 52 and a necessary washer. Also, frame 6
0 is the recess 26 on the base 21 side and the height adjusting member 2
A recessed portion 61 that fits in any of the recesses 37 on the second side,
Plate-shaped portions 62, 62 protruding to the left and right sides of the recessed portion 61
And ridges 63 and 63 extending from the ends of the plate-like portions 62 and 62, skirts 64 and 64 provided on the ridges 63 and 63, and a corner formed in the center of the recessed portion. Hole 6
5 and downward projections 66, 66 formed on both front and rear sides of the square hole 65.

The fixture 70 has a square rooted bolt 71, a nut 72 and a necessary washer 73. The bolt 71 with a square root has a head portion 71a, a shaft portion 71b, and a polygonal corner root portion 71c provided at the root of the shaft portion 71b. The same applies to the square root bolt 51 of the fastener 50.

In the roof plate attachment device B, a pair of holding tools 40, 40 are arranged on both sides of the base body 21 in the supporting body 20, and the mounting plate portions 41, 41 of the respective holding tools 40 are arranged.
Is stacked on the flange portions 24, 24 of the base body 21, and the engaging piece portions 42, 42 and the contact plate portion 44 are stacked on the side surface of the body portion 23. Then, the square hole 41a of the mounting plate portion 41
The required washer is fitted into the bolt 51 with a square root, which is inserted into the square hole 33 of the flange 24 and the nut 52.
The base 21 and the pair of holding tools 4 are screwed in.
0 and 40 are integrated. In addition, the height adjusting member 22
Inserts the positioning protrusions 36, 36 into the positioning holes 28, 28 of the body portion 23 and inserts the wide convex portion 35 into the body portion 2
It is stacked on the base body 21 by being fitted into the recess 26 of the No. 3. Further, the frame 60 is stacked on the height adjusting member 22 by fitting the recessed portion 61 into the recess 37 of the height adjusting member 22. Then, the square hole 6 of the frame 60
5 and the square hole 38 of the height adjusting member 22 and the square hole 2 of the body portion 23
The washer 73 is fitted inside the hollow portion 30 on the side of the base body 1 and the nut 72 is screwed into the bolt 71 with a square root head inserted into the base body 21, the height adjusting member 22, and the frame 60. Be converted. Here, the state where the fastener 50 is loosely tightened is a temporary assembled state. In this temporary assembled state, the pair of holding tools 40, the leg plate portions 45 of the 40,
It is possible to freely increase or decrease the mutual spacing of 45 within the range of the rattling.

Since the roof board mounting device B is compact in the temporarily assembled state, when constructing a roof using the roof mounting device B, the roof plate mounting device B is transported or handled in such a temporarily assembled state so as to be easily transported and handled. Is improved, and there is no concern that work will be delayed due to lack of parts. In addition, in this roof board mounting device B , the metal frame 60 and the metal holding tools 40, 40 are made of a synthetic resin support 20.
Since the support 20 functions as a heat insulating material, the support 20 blocks the heat transfer path between the frame 60 and the holding tools 40, 40. Further, since the frame 60 can be replaced with another type by attaching and detaching the attachment 70, it is possible to easily cope with attachment of different types of roof boards.

In this embodiment, the tightening tool 50 and the mounting tool 70 may use other types of bolts and nuts. The flange portion 24 of the base 21 may have the same thickness as the body portion 23, but as shown in the figure, the flange portion 24
The thinner the wall, the less material is required and the more economical.

Next, an adiabatic double roof apparatus A using the above-mentioned roof board mounting apparatus B will be described with reference to FIG. In addition, this embodiment is an example in which a protruding portion (described later) of the inner roof plate has a hat structure.

This heat-insulating double roof apparatus A has an inner roof plate 10
0 and an outer roof board 200 have a double structure, and each roof board 100, 200 has a heat insulating material 1 such as glass wool.
01 and 201 are lined, and the heat insulating materials 300 and 300 are doubly stacked and loaded in the space between the roof plates 100 and 200.

A panel receiving frame 410 having a hat-shaped cross-section is attached to a base material 400 such as a purlin or a beam by a fastener 4.
It is fixed by using 11. Panel receiving frame 41
A frame 420 having the same shape as the frame 60 described with reference to FIGS. 1 to 3 is fixed to the top of 0. On the other hand, the left and right inner shingles 100, the rising portions 110 at the ends of the 100,
The folded-back portions 120, 120 are formed at the upper end of the 110, and these folded-back portions 120, 120 are engaged with the frame 420 from both the left and right sides of the panel receiving frame 410. The left and right rising portions 110, 110 are covered with the cap 130, and the engaging portion 131 of the cap 130 is provided on the rising portion 110.
1 is engaged. The inner roof boards 100, 10 described above
A protrusion portion M having a hat-shaped structure is formed by the connecting portions of 0s.

Regarding the roof board mounting device B temporarily assembled,
After fitting the leg plate portions 45, 45 of the pair of holding tools 40, 40 to the projecting portion M from above, the fastening tool 50 is tightened. By such tightening of the fasteners 50, the projecting portions M are firmly held by the leg plate portions 45, 45 facing each other, and the supporting body 20 is provided above the projecting portions M in a protruding manner. Further, when the projection M is held between the leg plates 45, 45,
The folded piece portions 46, 46 of the leg plate portions 45, 45 are the cap 1
In addition to sometimes pressed against the vicinity portion of the engaging portion 131 or the engaging portions 131 of the 30, formed in the leg plate portions 45 and 45
The locking pieces 47, 47 and the spreading pieces 43, 43
The formed locking pieces 48, 48 are pressed against the cap 130.

Pressure contact of these portions, especially the locking piece portion 47,
By the pressure contact of the cap 48 with the cap 130, the roof plate attachment device B is less likely to slip on the protrusion M, and the top roof plate 200 is prevented from slipping off. In particular, the locking piece 4
7, 47, the leg plate portions 45, 45 strengthen the protrusion M.
By sandwiching, from the lateral direction which is the sandwiching direction
It is in a state of being strongly pressed against the above-mentioned protruding portion M, and the roof plate is attached.
The slip of the device B in the front-rear direction is reliably prevented. In order to improve such a slip prevention effect, as shown in the circle in FIG. 1, the folded-back piece portion 46 and the locking piece portions 47, 48 are provided.
It is effective to form the sawtooth portions 46a, 47a, 48a on the respective tip edges of the above. By doing so, the tightening force of the fastener 50 causes the sawtooth portions 46a, 47a, 48a to reach the cap 130. Be sure to bite or make extremely strong point contact to prevent slippage. Further, as shown in the figure, the foamable rubber sheets 81, 81 having a thickness of about 5 mm may be sandwiched between the leg plate portion 45 and the cap 130. The foamable rubber sheet 81 workability idea stuck to the back surface of the rough or troduction leg plate section 45 as shown in phantom is improved in FIG. Further, the engagement piece portion 42 and the contact plate portion 4
If a gap serving as a tightening margin is formed between the flange portion 24 and the mounting plate portion 41 when 4 is stacked on the body portion 23, the tightening force of the tightening tool 50 will be the above-mentioned folded piece portion. 46,
It is effectively transmitted to the locking pieces 47 and 48, and a strong holding state is obtained. When the anti-slip action is ensured as described above, there is no room for moisture to enter the room because the cap 130 does not have a hole that causes moisture to enter.
Further, as shown in FIG. 5, when the set screw 80 is screwed into the cap 130 by utilizing the screw insertion hole 49 of the leg plate portion 45, a more remarkable anti-slip action is exhibited. Therefore, this method can be suitably applied to a steep roof.

Standing portions 210, 210 are also formed at the end portions of the left and right outer roof boards 200, 200, and folding portions 220, 220 are formed at the upper ends of the rising portions 210, 210. These folded-back portions 220, 220 are formed on the frame 6 from the left and right sides of the support body 20 of the roof plate attachment device B.
0 ridges 63, 63 are engaged. And the clip 24 with which the rising parts 210, 210 are covered
It is clamped at 0, the cap 230 is put on the left and right rising portions 210, 210 from above the clip 240,
The engaging portion 231 of the cap 230 is the rising portion 21.
It is engaged with the lower end of the stepped portion 211 or the clip 240 provided on the No. 0.

According to this heat insulating double roof apparatus A, the support 20 made of synthetic resin is provided in the heat transfer path connecting the frame 60 contacting the outer roof panel 200 and the sandwiching tool 40 contacting the inner roof panel 100. Since it is interposed, a metal heat transfer path that connects the outer roof panel 200 and the inner roof panel 100 is not formed. Therefore, the outside of the outer shingles 200 and the inner shingles 10
There is no possibility that dew condensation will occur on the surface of the heat-insulating double-roof apparatus A due to the temperature difference between the inside and the inside of 0, and the heat transfer inside and outside the heat insulating double-roof apparatus A is extremely unlikely to occur.
In addition, the locking piece portions 47, 4 in the roof board mounting device B
7 is pressed against the protrusion M on the inner roof panel 100 side to slip or shift
Therefore, the outer roof plate 20 can be
0 is stably held at an appropriate support position.

Further, in the above construction, it is possible to construct the heat insulating double roof apparatus A without using the height adjusting member 22 of the supporting body 20. That is, when the height adjusting member 22 is not used, the frame 60 is attached using the recess 26 and the positioning hole 28 of the body portion 23 in the base 21, and the folded portion 22 of the outer roof panel 200 is attached to the frame 60.
0, 220 are engaged, and the rising portion 22 is fixed by the clip 240.
0 and 220 may be sandwiched and the cap 230 may be put on the top. In this way, an adiabatic double roof device with a narrow gap between the inner roof panel 100 and the outer roof panel 200 is constructed.

FIG. 6 shows a roof plate mounting device B according to another embodiment.
The heat insulation double roof apparatus A using is shown. The difference between this embodiment and the embodiment shown in FIG.
Nos. 0 and 100 are fastened together by way of the suspension 500, and the fastened joint is formed as the protrusion M of the inner roof board 100. The point is that a bottom plate portion 46a is formed on the side surface of the protrusion M. According to this one, the fastener 50
By tightening (see FIG. 1), the left and right bottom plate portions 46a, 4a
6a grips the protruding portion M so that the supporting body 20 projects above the protruding portion M. Also in this embodiment, the leg plate portion 4
5, 45 and the locking piece portions 47, 47 formed on the
The locking piece parts 48, 48 formed on the strip piece part 43 are
Although pressed against the protrusion M, these locking pieces 47, 4
Illustration of 8 is omitted. Then, this embodiment also, are achieved the same effect as that of FIG. Since other points are the same as those in FIG. 5, the same portions are denoted by the same reference numerals and detailed description thereof will be omitted.

[0031]

As described above, according to the present invention, since it is compactly assembled or temporarily assembled, it is independent for each connecting portion of the inner roof plate and the outer roof plate, and the inner roof plate and the outer roof plate are independent. Since there is no longer a member like the conventional long frame that obstructs the work of spreading the heat insulating layer between the roof and the roof, the storability, transportability, and handleability are greatly improved compared to the past.
can do. Also, by properly selecting the shape of the leg plate part of the holding tool, it becomes possible to deal with whether the protruding part of the inner roof plate has a hat-type structure or a crimping structure, and that is the general purpose. It is possible to improve
Wear. Further , the frame and the holding tool are insulated by a heat insulating support made of synthetic resin or the like.

Therefore, the heat-insulating double-roof device constructed by using such a roof plate attaching device has good workability,
Moreover, since the outer roof plate attached to the frame of the roof plate attachment device and the holding tool for holding the protruding portion of the inner roof plate are insulated by the support made of synthetic resin, the outer roof plate and the inner roof plate are made of metal. The heat transfer path discontinues and there is no risk of dew condensation on the inner surface of the inner shingles. In addition, heat does not easily move inside and outside the insulated double roof equipment, so the overall insulation of the insulated double roof equipment is improved. The performance can be greatly improved compared to the conventional one . Moreover, the relative position of the pair of clamps
The inward locking piece formed on the leg plate facing the inner roof plate side
The roof plate mounting device will
In the direction orthogonal to the direction of clamping by the leg plate in the same plane
It is possible to prevent slipping, making the outer shingles suitable for inner shingles.
It can be supported in a positive mounting position, which allows
Even when applied to steeply sloping roofs, the outer shingles will slip off.
Not only to prevent the
Water is not allowed to enter the room without the formation of holes
It can also exert an excellent effect in preventing the ingress of
It

[Brief description of drawings]

FIG. 1 is a perspective view of a roof plate mounting apparatus according to an embodiment of the present invention.

FIG. 2 is a vertical sectional front view of the device.

FIG. 3 is a vertical sectional side view of the device.

FIG. 4 is an exploded perspective view of a support.

FIG. 5 is a cross-sectional view of an insulated double roof device according to an embodiment of the present invention.

FIG. 6 is a cross-sectional view of an insulated double roof device according to another embodiment of the present invention.

FIG. 7 is a sectional view of a conventional example.

[Explanation of symbols]

A Adiabatic double roof device B Roof plate mounting device M Projection part 20 Support body 23 Body part 24 Flange part 40 Clamping tool 41 Mounting plate part 45 Leg plate part 47 Locking piece part 50 Clamping tool 60 Frame 70 Mounting tool 100 Inner roof Board 200 Outside roof board

Front page continuation (72) Inventor Yoshihiko Kashima 4-1-1 Minamihonmachi, Chuo-ku, Osaka City, Osaka Prefecture Yodogawa Steel Works Co., Ltd. (56) References: 63-58117 (JP, U) -101917 (JP, U)

Claims (1)

[Claims] 1. A heat-insulating support body made of synthetic resin or the like, in which a body portion is provided with flange portions projecting to both sides thereof, a mounting plate portion to be overlaid on the flange portion of the support body, and a mounting plate portion below the mounting plate portion. A pair of gripping tools that are provided on both sides of the support body and that extend from each other and that are overlapped on the side surfaces of the protrusions that are provided on the inner roof panel, and a pair of gripping tools via the support body. Tightening, the tightening tool for holding the protrusions of the inner roof plate by the leg plates facing each other in the pair of the holding tools by the tightening force, and a frame for mounting the outer roof plate attached to the top of the support, Frame attachment to the support,
Have a, opposing in the pair of pincer leg plate section
Inwardly contacting the protrusion on the inner roof plate side in the clamping direction.
A roof plate attachment device, characterized in that each of the lock pieces is formed .