| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rotary sheet-like article pressing post easily and securely screwable into the soil even if the ground is hard, and fixing a sheet-like article in the screwed state by stably pressing the sheet-like article on the ground surface. <P>SOLUTION: The center of the lower surface of a disk-shaped pressing plate 3 for pressing the sheet-like article 2 is a conical part 22 reduced downward in diameter, and a support post 6 projects downward from the lower end of the conical part 22. A helical projection 10 is provided at least on the lower side of the outer peripheral surface of the support post 6. A screw driver engagement hole 15 for inserting a front end engagement portion of a screw driver is disposed coaxially with the axis of the support post 6 at the center on the upper surface of the pressing plate 3. <P>COPYRIGHT: (C)2012,JPO&INPIT |
