JPH0244317Y2 - - Google Patents

Description

[Detailed explanation of the idea] Industrial applications This invention relates to a flag attachment device on a flagpole.

Conventional technology and its problems Conventionally, as a flag attachment ring that is fitted onto a metal flagpole so that it can be raised and lowered, a ring that is entirely made of plastic has been used in order to prevent friction scratches on the flagpole. Ta. However, plastics have the problem of being more easily broken and less durable than metals.

The purpose of this invention is to provide a flag attachment device for a flagpole that solves the above-mentioned problems.

Means for Solving the Problems The flag attachment device for a flagpole according to this invention is equipped with a metal flag attachment ring that is fitted onto the metal flagpole so as to be able to rise and fall freely, and the inner circumferential surface of the flag attachment ring is Three or more plastic inwardly projecting members are provided at intervals in the direction, and the circles inscribed at the tips of all the inwardly projecting members are located on the same circle concentrically with the outer periphery of the flagpole or on the outer side thereof. It is something we are forced to do.

Embodiment FIG. 1 shows a flagpole equipped with a flag attachment device according to the invention. The flagpole 1 has a hollow cylindrical shape and is made of aluminum (including aluminum alloy; the same shall apply hereinafter). A crown body 3 is attached to the upper end of the flagpole 1 so as to be rotatable around the axis of the flagpole 1. A flag lifting rope 4 is disposed within the flagpole 1, with a portion thereof extending outside.

A vertically long hole is formed in the lower part of the peripheral wall of the flagpole 1,
A casing 5 is attached to the outer surface of the flagpole 1 so as to cover this hole.
is installed. . A flag raising/lowering winding drum 6 is disposed extending between the inside of the flagpole 1 and the inside of the casing 5 through the hole. The rotating shaft of the winding drum 6 is rotatably supported by the casing 5, and one end thereof projects outside the casing 5, and a handle 7 for rotating the winding drum is attached thereto. The winding drum 6 is provided with a stopper (not shown) that stops the rotation of the winding drum 6 when a flag attaching device 8, which will be described later, is in the raised position. A pulley (not shown) is arranged within the crown body 3. This pulley is adapted to rotate around the axis of the flagpole 1 together with the crown body 3. The flag lifting rope 4 is hung on a pulley at the middle part of its length, one end is wound around the winding drum 6, and the other end extends from the lower surface of the crown body 3 to the outside of the flagpole 1 in a hanging shape. A flag attachment device 8 is provided at its tip.

The flag attaching device 8 has a connecting member 9 at the tip of the rope 4.
Vertical slide bar 10 attached via
2, which is fitted onto the flagpole 1 so as to be able to rise and fall freely, and which is attached to a portion near the lower end and a portion near the upper end of the slide bar 10, respectively, so as to be able to adjust the height position thereof.
It consists of two aluminum flag attachment rings 11. As shown in FIG. 2, an outward protrusion 12 is integrally provided on the outer circumference of the flag attachment ring 11, and this outward protrusion 12 has a slide bar insertion hole 13 and a flag string insertion hole. 14 are formed.
The ring 11 is made of extruded aluminum or cast aluminum. Also, flag mounting ring 1
On the inner circumferential surface of 1, there are 4 holes at predetermined intervals in the circumferential direction.
Two inwardly projecting plastic members 15 are provided. The circles inscribed at the tips of all the inwardly protruding members 15 are located concentrically and on the same circle with the outer circumference of the flagpole 1, and the inwardly protruding members 15 are slidably in contact with the outer circumferential surface of the flagpole 1. There is. Inwardly protruding member 1
5 has a rivet-like shaft portion 15a, and the shaft portion 15a is forcibly fitted into a hole 16 formed on the inner peripheral surface of the ring 11 and having a diameter slightly smaller than the outer diameter of the shaft portion 15a. It is fixed to the ring 11 by fitting it together. The inwardly protruding member 15 is made of nylon, vinyl chloride, or the like.

In such a configuration, the flag attaching device 8 is lowered by its own weight, and in the lowered position, the flag string is passed through the flag string insertion hole 14 and tied to the ring 11 to attach the flag. By winding up the flag 4 onto the winding drum 6, the flag mounting device 8 is raised and the flag is hoisted. Then, it is held in this state by a stopper provided on the winding drum 6. When the flag attachment device 8 moves up and down, the inwardly protruding member 15 comes into contact with the outer peripheral surface of the flagpole 1, so that the ring 11 and the flagpole 1 are prevented from being scratched by friction. . Moreover, the ring 11 and the flag attachment device 8 can be moved up and down smoothly.

In the above embodiment, the circles inscribed at the tips of all the inwardly protruding members 15 are located concentrically and on the same circle as the outer periphery of the flagpole 1, but this is not limiting. The tangent circle may be located outward from the outer periphery of the flagpole 1.
Further, the number of inwardly protruding members 15 on the inner circumferential surface of the flag attachment ring 11 is not limited to four, and can be changed as appropriate.

Effects of the invention The flag mounting device according to this invention is equipped with a metal flag mounting ring 11 that can be fitted onto the metal flagpole 1 so as to be able to rise and fall freely. Three or more inwardly protruding members 15 made of plastic are provided, with the circles inscribed at the tips of all the inwardly protruding members 15 being concentric with and on the same circle as the outer periphery of the flagpole 1, or located on the outer side thereof. Therefore, when the flag attachment device 8 is moved up and down along the flagpole 1, only the inwardly projecting plastic member 15 is attached to the flagpole 1.
come into contact with. Therefore, the metal flag attachment ring 11 does not come into contact with the flagpole 1, and the flag attachment ring 11 and the flagpole 1 are prevented from being scratched by friction. Moreover, since the flag attachment ring 11 is made of metal, it is more durable than a ring in which the entire ring is integrally molded from plastic. Further, since the inwardly protruding plastic member 15 provided on the inner peripheral surface of the flag attaching ring 11 contacts the outer circumferential surface of the flagpole 1, the flag attaching device 8 can be moved up and down smoothly.

[Brief explanation of drawings]

FIG. 1 is a front view of a flagpole equipped with a flag attaching device according to this invention, and FIG. 2 is an enlarged sectional view taken along the - line in FIG. 1...Metal flagpole, 11...Metal flag attachment ring, 15...Plastic inwardly protruding member.

Claims (1)

[Scope of utility model registration request] It is equipped with a metal flag attachment ring 11 that can be fitted onto the metal flagpole 1 so as to be able to rise and fall freely, and on the inner peripheral surface of the flag attachment ring 11, three or more inwardly protruding plastic members are arranged at intervals in the circumferential direction. 15, and the circles inscribed at the tips of all the inwardly protruding members 15 are located on the same circle concentrically with the outer periphery of the flagpole 1 or on the outer side thereof.