JPH09162614A - Antenna attachment metal fitting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To decrease the number of parts which are needed for an adjustment mechanism of the angle of elevation and the azimuth by fixing an antenna body and back metal fittings attached to a converter support arm to an arc- shaped pipe placed at a porch attachment part in a freely sliding way. SOLUTION: The antenna fixing part of back metal fittings 2 is fixed on the back of an antenna body 1, and a support arm 4 where a converter 3 is mounted is attached under the parts 2. Then a porch attachment tool 5 is fixed to a porch and the pipe attachment part of the parts 2 is held by an arc-shaped pipe 6 set horizontally to the tool 5 in a freely sliding/rotating way and then fixed by a fixing screw after adjustment of the angle of elevation and the azimuth. Thus it is possible to construct an adjustment mechanism of both angle of elevation and azimuth by means of an arc-shaped pole and also to decrease the number of parts of the adjustment mechanism and the number of fastening parts.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antenna mounting member, and more particularly to a parabolic antenna mounted on a veranda or the like.

[0002]

2. Description of the Related Art Conventionally, an antenna mounting bracket for mounting an antenna main body such as a parabolic antenna on a crosspiece such as a veranda is
As shown in FIG. 4, the back side of the antenna main body such as a dish-shaped parabolic antenna having a circular or elliptical outer shape is fixed to the front side, and the support arm for fixing the converter to the tip is fixed below.
A back metal fitting having an elevation angle adjusting mechanism on the rear side, an adjusting tool which is coupled to the back metal fitting by the elevation angle adjusting mechanism and has a pole fixing portion on the rear side, an L-shaped bent pole attached to the pole fixing portion, and a rear side It was composed of a veranda attachment having a veranda attachment part fixed to the veranda, a plate-shaped retainer for sandwiching the veranda etc. between the veranda attachment, and a fastener such as a screw fixing each part. . However, in this configuration, the number of parts constituting the elevation angle adjusting mechanism and the azimuth angle adjusting mechanism is large, and since the elevation angle adjustment and the azimuth angle adjustment are performed separately, a fastener to be fixed to each is necessary.

[0003]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems and reduces the number of components of an elevation angle adjusting mechanism, an azimuth angle adjusting mechanism and fasteners by forming an antenna pole into an arc shape. The purpose of the present invention is to provide an antenna mounting bracket.

[0004]

In order to solve the above-mentioned problems, the present invention is fixed to the back of an antenna main body such as a parabolic antenna in the front, fixed to a supporting arm below which a converter is mounted, and arcuate in the rear. A back metal fitting provided with a pipe mounting portion for sandwiching and fixing the pipe slidably and rotatably, and an arc pipe connected to the back metal fitting are arranged on one side, and a veranda mounting portion pressure-contacted to a veranda or the like is arranged on the other side. It is configured to include a veranda attachment, a holding tool for sandwiching and fixing a crosspiece such as the veranda and the veranda, and a fastener such as a screw for fixing each portion.

The pipe mounting part corresponds to a horizontally arranged arcuate pipe, and the pipe mounting part slides on the arcuate pipe to change the azimuth angle and the elevation angle. Adjust or the pipe mounting part corresponds to a vertically arranged arcuate pipe, and slide the pipe mounting part on the arcuate pipe to rotate the elevation angle and rotate the azimuth angle. Was adjusted.

Further, the pipe mounting portion has a threaded hole at one end of the projecting portion having elasticity protruding in parallel with each other from the antenna fixing portion and having a substantially U-shaped cross section, and the threaded hole at the other end. Corresponding insertion holes are provided, the arcuate pipes are inserted into the opposing portions of the parallel protrusions, screws are inserted through the insertion holes and fastened to the screw holes, and after adjustment, retighten and fix. I did it.

Further, the pipe mounting portion has a threaded hole at one end of a projecting portion projecting in parallel with each other from the antenna fixing portion and having a substantially U-shaped cross section, and a threaded portion corresponding to the threaded hole at the other end. A hole is provided, the arcuate pipe is inserted through the opposing portions of the mutually parallel projections, a screw or the like is inserted through the insertion hole, and a hemispherical dial fixture is attached to the screw to form a screw hole. After fastening and adjusting the azimuth angle and the like, the hemispherical dial fixture was rotated to press and fix it to the arc-shaped pipe.

Further, the pipe mounting portion is provided with at least one screw hole in one of the protruding portions protruding in parallel with each other from the antenna fixing portion and having a substantially U-shaped cross section, and is formed as a separate component in an L-shaped cross section. Then, a pipe fixing tool having a through hole corresponding to the screw hole of the projecting portion on one surface and a screw hole on the other surface is provided, and the arcuate pipe is inserted into the facing portions of the projecting portions parallel to each other, Insert a screw etc. through the insertion hole of the pipe fixing tool and fasten it to the screw hole of the protruding part to fix it.After adjusting the azimuth angle and elevation angle, insert the fixing screw into the screw hole of the pipe fixing tool and fix it. The arcuate pipe was pressed and fixed at the tip of the screw.

Further, the pipe mounting portion is composed of a protruding portion protruding from the antenna fixing portion in a convex shape in cross section, and a pipe retainer for holding an arc-shaped pipe between the protruding portion side surface, The protrusion has an arcuate recess at the center of one side and screw holes or insertion holes at the root and tip of the protrusion, and the pipe retainer has a recess corresponding to the recess of the protrusion and a screw hole or insertion hole. An insertion hole or a screw hole corresponding to is provided.

The pipe mounting portion is composed of a protruding portion protruding from the antenna fixing portion in a convex shape in cross section, and a pipe retainer for sandwiching an arcuate pipe between the tip end surface of the protruding portion, An arcuate concave portion at the center of the tip surface of the protruding portion,
A screw hole or an insertion hole is provided on the left side portion and the right side portion of the tip surface, and the pipe retainer has a recessed portion corresponding to the recessed portion of the protruding portion,
Also, an insertion hole or a screw hole corresponding to the screw hole or the insertion hole is provided.

Further, in the veranda mounting member, a pipe fixing portion and a veranda mounting insertion hole are provided on both inner sides of a mounting portion having an L-shaped cross section, and an arcuate pipe is fixed to the pipe fixing portion.
A crosspiece such as a veranda is sandwiched between one of the surfaces of one of the mounting portions and a retainer having an insertion hole corresponding to the insertion hole for the veranda, and a screw or the like is inserted into the insertion hole with a nut or the like. It was fastened and fixed.

Further, the veranda attachment is provided with two pipe fixing portions and a veranda attaching insertion hole on one surface of a flat plate-like attaching portion, and an arcuate pipe is fixed to the pipe fixing portion, and the other pipe attaching portions are attached. Of a veranda or the like between the surface of the plate and a flat plate-like retainer having an insertion hole corresponding to the insertion hole for attaching the veranda, insert a screw or the like into the insertion hole, and fasten with a nut or the like. I fixed it.

The veranda attachment has a length and a width such that the veranda attachment surface is vertical or horizontal and can be pressed against the crosspiece of the veranda.

Further, an arcuate concave portion is formed on the inner surface of the U-shaped protruding portion of the pipe mounting portion.

Further, the fixing screw is provided with a pipe pressure contact portion having an arcuate recess at the tip and a cylindrical dial portion at the screw head.

Further, the fixing screw is a U-shaped screw having a threaded portion at both ends bent in a U-shape, and the U-shaped screw is inserted from the insertion hole of the protrusion to the insertion hole of the pipe retainer.
Alternatively, the pipe holder may be inserted through the insertion hole of the projection into the insertion hole of the protrusion and fixed with a nut or the like.

[0017]

With the above-described structure, according to the antenna mounting bracket of the present invention, the antenna fixing portion of the rear bracket is fixed to the rear surface of the antenna body, and the support arm for mounting the converter is mounted below the rear bracket. The horizontally or vertically arranged arcuate pipe in the veranda mount is slidably and rotatably clamped and fixed to the pipe mounting part at the rear of the rear metal fitting. After fixing the crosspiece such as a veranda between them and the fastener with fasteners such as screws, slide or rotate the pipe mounting part on the arc-shaped pipe to adjust the azimuth angle and elevation angle, and then for fixing The pipe mounting portion is fixed with a screw so as not to slide or rotate on the arc-shaped pipe.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An antenna mounting member according to the present invention will be described in detail below with reference to the drawings. FIG. 1 is a schematic perspective view showing an embodiment of an antenna mounting bracket according to the present invention. As shown in the figure, the antenna fixing portion 2a provided in front of the back metal fitting 2 is fixed to the back surface of the antenna body 1, the support arm 4 for mounting the converter 3 is attached below the back metal fitting 2, and the rear side of the back metal fitting 2 is attached. The horizontally arranged arcuate pipe 6 of the veranda attachment 5 is sandwiched between the pipe attachment 2b provided so as to be slidable and rotatable, and between the veranda attachment 5a of the veranda attachment 5 and the retainer 7. The crosspiece 8 such as a balcony is clamped and fixed by a fastener 9 such as a screw, and the pipe mounting portion 2b is slid or rotated on the arc-shaped pipe 6 to adjust the azimuth angle and the elevation angle, and then fixed. The pipe mounting portion 2b is fixed by a screw 9b so as not to slide or rotate on the arc-shaped pipe.

2-a, 2-b, 2-c, 2-d
And FIG. 2-e is a partial enlarged cross-sectional view showing an embodiment of a pipe mounting portion 2b provided behind the rear metal fitting 2 of the antenna mounting hardware according to the present invention. In the example of the pipe mounting portion 2b shown in FIG. 2-a, one side 2b1 of the protruding portions 2b1 and 2b2 having elasticity protruding in parallel with each other from the antenna fixing portion 2a for fixing the antenna body 1 is formed.
A threaded hole 21 is provided at the end, and an insertion hole 22 corresponding to the threaded hole 21 is provided in the other surface 2b2, and the projecting portions 2b parallel to each other are provided.
The arcuate pipe 6 is inserted into the inner surface facing portions of 1 and 2b2, and the screw 9a is inserted through the insertion hole 22 to form the screw hole 2
1), adjust, and then retighten both protrusions 2b1, 2
The arcuate pipe 6 is strongly pressed and fixed on the inner surface of b2. In addition, on the inner surfaces of the both protruding portions 2b1 and 2b2,
By providing fine irregularities so that the arcuate pipe 6 does not slip, the tightening force can be reduced.

In the example of the pipe mounting portion 2b shown in FIG. 2-b, the antenna fixing portion 2 for fixing the antenna body 1
Projected portions 2b1 and 2b2 having a substantially U-shaped cross section in parallel with each other and having arcuate recessed portions 2ba on the opposite surfaces are provided with screw holes 21 at one end 2b1 end and screw holes 21 on the other surface. Through holes 22 are provided, the arcuate pipe 6 is inserted through the inner surface facing portions of the parallel projecting portions 2b1, 2b2, the screws 9a are inserted through the insertion holes 22, and the screws 9a are hemispherical. The dial fixing tool 10 is inserted and the tip of the screw 9a is fastened to the screw hole 21, and after adjusting the azimuth angle and the like, the hemispherical dial fixing tool 10 is rotated and pressure-contacted with the arc-shaped pipe 6 and fixed. I did it.

In the example of the pipe mounting portion 2b shown in FIG. 2-c, the antenna fixing portion 2 for fixing the antenna body 1 is fixed.
Projection portions 2 protruding in parallel with each other from a and having a substantially U-shaped cross section
At least one screw hole 2 on one side 2b1 of b1, 2b2
1 is provided, and is formed as a separate component in an L-shaped cross section, and a pipe fixture 2c having an insertion hole 2c1 corresponding to the screw hole 21 of the projecting portion 2b1 on one surface and a screw hole 2c2 on the other surface is provided, and The arcuate pipe 6 is inserted into the inner surface facing portions of the parallel protruding portions 2b1 and 2b2, and the pipe fixing tool 2c is inserted.
9c is inserted through the insertion hole 2c1 of the projection 2b1
The screw 9b is fastened to the screw hole 21 of the pipe fixing device, and the azimuth angle and the elevation angle are adjusted.
Was attached, and the arcuate pipe was pressed and fixed at the tip of the fixing screw 9b. A pressing portion having an arcuate concave portion is fixed to the tip of the fixing screw 9b so that the pressing portion is pressed against the arcuate pipe, and the screw head of the fixing screw 9b has a circular circumference. A cylindrical dial portion provided with fine irregularities is provided on the top, and the dial portion can be rotated by fingers.

In the example of the pipe mounting portion 2b shown in FIG. 2D, the antenna fixing portion 2 for fixing the antenna body 1 is used.
a protruding portion 2b3 protruding from a in a convex shape in cross section, and a pipe retainer 2d for holding an arc-shaped pipe 6 between the side surface of the protruding portion 2b3. The arc-shaped recess 2b31 and the insertion hole 2b3a are provided in the root and the tip of the protrusion 2b3, and the pipe retainer 2d is provided.
The concave portion 2da corresponding to the concave portion 2b31 of the protruding portion 2b3,
And an insertion hole 2db corresponding to the insertion hole 2b3a,
Fixing screw 9b from the insertion hole 2b3a to the insertion hole 2db
2 is inserted and fixed with a nut 9e.
In the case of this example, the protrusion 2b3 and the pipe retainer 2d
Although the insertion hole 2b3a and the insertion hole 2db are provided in the above, although not shown, the projection 2b3 may be provided with the insertion hole 2b3a and the pipe retainer 2d may be provided with a screw hole and the nut 9d may be unnecessary.
Although not shown, the pipe holder 2d has an insertion hole 2d.
b, a screw hole may be provided in the protrusion 2b3, the fixing screw 9b2 may be inserted through the insertion hole 2db, and the screw may be fastened to the screw hole of the protrusion 2b3.

The pipe mounting portion 2b shown in FIG.
The antenna fixing portion 2a includes a protruding portion 2b4 protruding in a convex shape in cross section, and a pipe retainer 2d for holding an arcuate pipe 6 between the tip surface of the protruding portion 2b4 and the protruding portion 2b4. An arcuate recess 2b41 is provided at the center of the tip surface, and insertion holes 2b4a are provided at the left and right sides of the tip surface, and the pipe retainer 2d has a recess 2d corresponding to the recess of the protrusion.
a and an insertion hole 2dc corresponding to the screw hole 2b4a are provided, and the fixing screw 9b2 is fastened from the insertion hole 2dc to the screw hole 2b4a.

As shown in the right side of FIG. 2D, the fixing screw 9b2 has a U-shaped screw 9b3 formed by bending a screw having screw portions at both ends into a U-shape from the insertion hole 2b3a to the insertion hole 2db. The nut 9e may be inserted through and the nut 9e may be inserted, or the nut 9e may be inserted through the insertion hole 2db and the insertion hole 2b3a.

3A and 3B are plan perspective views showing the details of the veranda attachment 5 and the like. As shown in FIG. 3-a, the veranda attachment 5 includes an attachment portion 5 having an L-shaped cross section.
A pipe fixing portion 5b and a veranda-mounting insertion hole 5c are provided on both inner sides of a, and an arcuate pipe 6 is fixed to the pipe fixing portion 5b, and one side of the mounting portion 5a and the veranda-mounting insertion hole 5c. 7 having a through hole 7a corresponding to
A crosspiece 8 such as a veranda is sandwiched between and, and a screw 9d is inserted from the insertion hole 5c into the insertion hole 7a, and a nut 9e is tightened and fixed. By making the mounting portion of the arc-shaped pipe 6 linear with a predetermined length, it becomes possible to dispose the azimuth angle or elevation angle of the antenna body 1 even parallel to the veranda surface.

Further, as shown in FIG. 3B, the veranda attachment member 5 has two pipe fixing portions 5b and a veranda attachment through hole 5c on one surface of the flat plate-shaped attaching portion 5a. An arcuate or U-shaped pipe 6 is fixed to 5b, and a veranda or the like is provided between the other surface of the attachment part and a flat plate-like retainer 7 having an insertion hole 7a corresponding to the veranda attachment insertion hole 5c. The crosspiece 8 is sandwiched, and a screw 9d is inserted from the insertion hole 5c into the insertion hole 7a, and is fastened and fixed by a nut 9e.

The pipe fixing portion 5b is, for example, as shown in FIG.
As shown in -a, a mounting insertion hole 5ba is provided in the stepped portion of a cylindrical body having a convex cross section, and the mounting portion 5 is correspondingly provided.
A screw hole 5bb is provided in the screw hole provided in a, a screw hole 5bb is provided on the periphery of the cylindrical body, and a screw 9a is fastened to the screw hole 5bb so that the arcuate pipe 6 is fixed at the tip of the screw 9a. ing. In the above description, the case where the arcuate pipes are arranged horizontally has been described. However, since the veranda attachment tool 5 makes the arcuate pipes horizontal or vertical, even if the veranda attachment surface is vertical or horizontal, It is needless to say that the length and width are such that they can be pressed against the crosspiece, the arcuate pipes are arranged vertically, and the pipe mounting portion 2b or the like corresponding thereto can be formed.

In this example, the back metal fitting 2 for fixing the antenna body 1 and the like to the arc-shaped pipe of the veranda attachment 5 is used.
Although attached, although not shown, lighting fixtures, mirrors,
It is also possible to fix a display device, a speaker, etc.

[0029]

As described above, according to the antenna mounting bracket of the present invention, the antenna fixing portion of the rear bracket is fixed to the rear surface of the antenna body, and the support arm for mounting the converter is mounted below the rear bracket. A horizontally or vertically arranged arcuate pipe in the veranda attachment is slidably and rotatably sandwiched between the pipe attachment at the rear of the rear metal fitting and between the veranda attachment and the restrainer of this veranda attachment. After holding the crosspiece such as a balcony on the pipe and fixing it with fasteners such as screws, slide or rotate the pipe mounting part on the arc-shaped pipe to adjust the azimuth angle and elevation angle, and then fix the pipe with the fixing screw. Since the mounting part is fixed so as not to slide or rotate on the arc-shaped pipe, by making the antenna pole arc-shaped, the arc-shaped pole allows the elevation angle adjusting mechanism and the azimuth angle to be adjusted. Can configure an integer mechanism, it is possible to provide an antenna mounting bracket with a reduced adjusting mechanism parts and the fastening parts.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing an embodiment of an antenna mounting bracket according to the present invention.

FIG. 2 is a partially enlarged cross-sectional view showing an embodiment of a pipe mounting portion 2b provided on the back metal fitting 2 of the antenna mounting hardware according to the present invention.

FIG. 3 is a plan perspective view showing details of a veranda attachment 5 and the like of an antenna attachment according to the present invention.

FIG. 4 is a perspective view showing a conventional antenna mounting bracket.

[Explanation of symbols]

 1 antenna body 2 back metal fitting 2a antenna fixing part 2b pipe mounting part 3 converter 4 support arm 5 veranda mounting tool 5a mounting part 5b pipe fixing part 5c insertion hole 6 arcuate pipe 7 restrainer 7a insertion hole 8 veranda etc. bar 9 Fastener 10 Dial fixture

Claims (14)

[Claims] 1. A pipe mounting that is fixed to the back of an antenna body such as a parabolic antenna in the front, fixed to a support arm that mounts a converter in the lower part, and clamps an arc-shaped pipe in the rear so that it can slide and rotate freely. A back metal fitting provided with a portion, an arcuate pipe connected to the back metal fitting on one side, and a veranda fitting having a veranda fitting portion press-contacted to the veranda on the other side; An antenna mounting bracket, comprising: a retainer for sandwiching and fixing and a fastener such as a screw for fixing each part. 2. The pipe mounting portion corresponds to an arcuate pipe arranged horizontally, and the pipe mounting portion is slid on the arcuate pipe to change the azimuth angle and to rotate the elevational angle. The antenna mounting bracket according to claim 1, wherein the antenna mounting bracket is adjusted. 3. The pipe mounting portion corresponds to an arcuate pipe arranged vertically, and the pipe mounting portion is slid on the arcuate pipe to raise the elevation angle and to rotate the azimuth angle. The antenna mounting bracket according to claim 1, wherein the antenna mounting bracket is adjusted. 4. The pipe mounting portion has a threaded hole at one end of the projecting portion having elasticity protruding in parallel with each other from the antenna fixing portion and having a substantially U-shaped cross section, and the threaded hole at the other end. Corresponding insertion holes are provided, the arcuate pipe is inserted into the opposing portions of the both protruding portions, screws etc. are inserted through the insertion holes and fastened to the screw holes, and after adjustment, retighten and fix. The antenna mounting bracket according to claim 1, wherein: 5. The pipe mounting portion has a threaded hole at one end of a projecting portion that projects from the antenna fixing portion in parallel with each other and has a substantially U-shaped cross section, and a threaded portion corresponding to the threaded hole at the other end. A hole is provided, the arcuate pipe is inserted through the opposing portions of the protrusions, a screw or the like is inserted through the insertion hole, and a hemispherical dial fixing tool is inserted into the screw and fastened to the screw hole. The antenna mounting bracket according to claim 1, wherein after adjusting the azimuth and the like, the hemispherical dial fixing tool is rotated to be pressed into contact with the arcuate pipe to be fixed. 6. The pipe mounting portion is provided with at least one screw hole in one of the protruding portions protruding in a substantially U-shaped cross section in parallel with each other from the antenna fixing portion, and has a cross section L as a separate component.
A pipe fixture having a letter-like shape and having an insertion hole corresponding to the screw hole of the projecting portion on one surface and a screw hole on the other surface is provided, and the arcuate pipe is provided at the opposing portions of the projecting portions parallel to each other. Insert the screw, etc. through the insertion hole of the pipe fixture, fasten and fix it in the screw hole of the protrusion, adjust the azimuth angle and elevation angle, and then insert the fixing screw into the screw hole of the pipe fixture. 2. The antenna mounting bracket according to claim 1, wherein an arcuate pipe is pressed and fixed at a tip portion of the fixing screw. 7. The pipe mounting portion is composed of a protruding portion protruding from the antenna fixing portion in a convex shape in cross section, and a pipe retainer for holding an arc-shaped pipe between the protruding portion side surface, The protrusion has an arcuate recess at the center of one side and screw holes or insertion holes at the root and tip of the protrusion, and the pipe retainer has a recess corresponding to the recess of the protrusion and a screw hole or insertion hole. The antenna mounting bracket according to claim 1, characterized in that an insertion hole or a screw hole corresponding to is provided. 8. The pipe mounting portion is composed of a protruding portion protruding from the antenna fixing portion in a convex shape in cross section, and a pipe retainer for holding an arc-shaped pipe between the protruding portion distal end surface, The protruding portion is provided with an arcuate concave portion at the center of the front end surface and a screw hole or an insertion hole in the left side portion and the right side portion of the front end surface, and the pipe retainer has a concave portion corresponding to the concave portion of the protruding portion, and a screw hole or The antenna mounting bracket according to claim 1, wherein an insertion hole or a screw hole corresponding to the insertion hole is provided. 9. The veranda attachment is provided with a pipe fixing portion and a veranda attachment insertion hole on both inner sides of the attachment portion having an L-shaped cross section, and an arc-shaped pipe is fixed to the pipe fixing portion, and which part of the attachment portion is provided. A crosspiece such as a veranda is sandwiched between one of the surfaces and a retainer having an insertion hole corresponding to the veranda mounting insertion hole, and a screw or the like is inserted into the insertion hole and fastened with a nut or the like to be fixed. The antenna mounting bracket according to claim 1, wherein 10. The veranda mount is provided with two pipe fixing parts and a veranda-mounting insertion hole on one surface of a flat plate-shaped mounting part, and a circular arc-shaped pipe is fixed to the pipe fixing part. Of a veranda or the like between the surface of the plate and a flat plate-like retainer having an insertion hole corresponding to the insertion hole for attaching the veranda, insert a screw or the like into the insertion hole, and fasten with a nut or the like. The antenna mounting bracket according to claim 1, wherein the antenna mounting bracket is fixed. 11. The antenna mounting member according to claim 1, wherein the veranda mounting member has a length and a width such that a veranda mounting surface is vertical or horizontal and can be pressed against a crosspiece of the veranda. 12. The antenna mounting according to claim 4, wherein an arcuate concave portion is formed on a surface of the pipe mounting portion facing the U-shaped protruding portion. Metal fittings. 13. The antenna mounting bracket according to claim 6, wherein the fixing screw is provided with a pipe pressure contact portion having an arcuate concave portion at a tip thereof and a cylindrical dial portion at a screw head portion. 14. The fixing screw is a U-shaped screw having a U-shaped bent and having screw portions at both ends, and the U-shaped screw is inserted from the insertion hole of the protrusion to the insertion hole of the pipe retainer. Alternatively, the pipe retainer is inserted through the insertion hole of the projection into the insertion hole of the protrusion and fixed by a nut or the like.
The antenna mounting bracket shown.