| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an entrance and its opening/closing door in a rhombic wire net fence easily formed with the entrance for persons and the opening/closing door in a long-distance fence for preventing the entry of wild animals, closing the entrance with the opening/closing door while allowing the persons to go in and out by turning one end of the opening/closing door forward or backward around the other end, and easily closing the opening/closing door after going in and out. Ž<P>SOLUTION: This entrance opening/closing door in the rhombic wire net fence is formed by connecting parallel erected posts 3, 3 with a space L interposed, to a wire net 1 respectively by winding coils 4 around them, arranging the square opening/closing door 4a formed of the rhombic wire net 1, between the erected posts 3, 3, extending upper and lower end horizontal bracing wires 5, 5 of the opening/closing door 4a to the outside of both side vertical wires 6, 6 of the opening/closing door 4a, forming wound parts 7 at both extended ends; loosely inserting support wires 8 in clearance parts of the wound parts 7, coils 4 and erected posts 3, and bending (8') the upper ends of the support wires 8 downward. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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