Patent ID: 7556450

Claim:
A water collecting structure comprising: a guide member including a water channeling surface inclined at a greater angle than that of a water-flow slope of a water-flow surface; a plurality of flow straightening plates extended along a flow direction of the guide member and juxtaposed in a direction orthogonal to the flow direction; and a cross member disposed downstream from the guide member via a catch passage opened downwardly, having an upper end surface at a higher level than that of the downstream portion of the guide member, and extended in a crosswise direction orthogonal to the flow direction, wherein the cross member is located so as to allow flowing water to push a waste material such as fallen leaves to the downstream side, even in a case where the flowing water contains such waste material, and thereby maintaining the catch passage in an open state; wherein the flow straightening plate includes a planar or curved lateral side which cooperates with the water channeling surface to define a substantially rectangular small channel and which stands vertically to the water channeling surface or inclined relative to the water channeling surface to widen the small channel toward a top thereof.