| 摘要 |
A grain roller comprises a frame with a driving cylindrical roller and that driven, which are mounted thereon in supports, and with guides of the supports of the driven roller, in which a support is made as pushing beams, fixed on the axle of the driven roller in such a manner as to allow moving thereof in the guides, and the other end of the beams is loaded with springs. The ends of the beams loaded with springs have projections, and on the frame in the area of said projections a roller with fixed thereon eccentrics butting against the projections is fixed on the bearings in such a manner as to allow the eccentrics to be turned. The roller is provided with a handle. |
