| 摘要 |
A scoop comprises a frame, an end part, an attack blade which includes at least one portion mounted to pivot on the frame about an axis extending substantially perpendicular to the end part, and a member for pivoting the blade portion and coupled between the blade portion and the frame, wherein the movement of the pivotal portion of the blade is such that the attacking edge of the blade as a whole is capable of being coplanar. |
