| 摘要 |
A spade comprises a handle, a blade with cutting part and supporting one. The blade of the spade is made with a single-side bent as regards to the spade axis, along a large arch, where the point "Ж" is the beginning of the bent line of the cutting edge of the spade blade, which is at the height of the middle horizontal axis on the working surface of the spade blade and from the right from the vertical axis, if one looks thereon from the front, and the point "3" is the end of the bent line of the cutting edge of the spade blade that projects beyond the vertical axial line from the left. On the upper part of the handle a double-arm lever is arranged, this is disposed at angle as regards to the handle and the plane of the spade blade. |
