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| Number | Title | Issue Date |
| 6481471 | Spike roller for axial feeding or rotation of a log A roller for grasping a log for axial movement or rotation of a log, the roller including spike bar retainers fastened on the cylindrical surface of the roller. The spike bar retainers accept and retain replaceable spike bars, thus facilitating replacemen... | 11/19/2002 |
| 6453959 | Spike roller for axial feeding or rotation of a log A roller for grasping a log for axial movement or rotation of a log, the roller including spike bars fastened on the cylindrical surface of the roller. The spike bars are formed of alloy steel feature an improved type of spike having planar side surfaces ... | 09/24/2002 |
| 6422277 | Feed rolls with replaceable flute elements A fluted feed roll has inner replaceable flute inserts which abut and are bolted to anchor pieces welded in place on a cylindrical roll body. Part of the inner longitudinal edge of the flute inserts bears directly against the surface of the roll body. Tra... | 07/23/2002 |
| 6253813 | Feed rolls with replaceable flute elements A fluted feed roll has inner replaceable flute inserts which abut and are bolted to anchor pieces welded in place on a cylindrical roll body. Part of the inner longitudinal edge of the flute inserts bears directly against the surface of the roll body. Tra... | 07/03/2001 |
| 5797438 | Toothed roller A toothed roller having a cylindrical body with circumferential rows of teeth fixed on the outer surface of the body. The rows of teeth are longitudinally spaced apart on the body. A cleaning ring is loosely mounted on the body between each adjacent pair ... | 08/25/1998 |
| 5152328 | Feed roller A feed roller intended for a timber processing unit includes a roller body having disposed on its outer periphery elastically supported engagement devices for driving engagement with a tree trunk advanced by the roller. In accordance with the invention, i... | 10/06/1992 |
