| 摘要 |
A grinder comprising an axle; a multiplicity of grinding teeth; and a plurality of grinding teeth suspending discs; the grinding teeth suspending discs being fixedly attached to the axle; each grinding tooth being fixedly attached to one of the grinding teeth suspending discs; the grinding teeth suspending discs fixedly suspending the grinding teeth around the rotatable axle; the grinding teeth suspending discs positioning the grinding teeth in an ellipse, so that each ellipse has a size, a shape, and a tilt with respect to the axle causing the orbital radiuses of the grinding teeth to be equal in length. |
