| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cover opening and closing tool with rainwater catchment, for solving such problems that it takes time and labor unexpectedly to open and close a long plastic sheet in tunnel cultivation work of an arcuate support, half-sitting posture work brings fatigue, and water is required for drought in a summer season or seedling transplanting. <P>SOLUTION: This cover opening and closing tool includes a rainwater groove 3 to collect rainwater on the upper surface, a pile hole near both the ends in the longitudinal direction, a fixed pile to pass through the pile hole, a groove in the rainwater groove 3, and a member to push into the groove. Furthermore, there are an upper surface projecting part on one of both the ends in the longitudinal direction, and a lower surface projecting part on the other end, and rainwater falling on the plastic sheet is collected in the groove to induce it to a tank installed in the underground. <P>COPYRIGHT: (C)2012,JPO&INPIT |
