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| Number | Title | Issue Date |
| 7350548 | Swing arm assembly with replaceable insert for use with a debarker apparatus Apparatuses, systems, and methods for debarking logs are shown and described. The disclosed embodiments can be used for quickly and conveniently replacing contact surfaces, such as leading edges, of swing arm assemblies. Some disclosed embodiments include a swing ar... | 04/01/2008 |
| 5662435 | Cutter bit A cutter bit includes a body integrally formed with a mounting shank. The body is formed with a pair of chip boxes having an arcuate surface and a planar surface with a cutting knife mounted to each planar surface. A plurality of equally spaced recesses a... | 09/02/1997 |
| 5259428 | Rotary cutters This invention relates to a rotary cutter comprising a central member (11) adapted to be mounted to a shaft for rotation therewith and supporting a plurality of teeth (14a, 14b) located at intervals around a circular path, each tooth having at least one c... | 11/09/1993 |
| 5201353 | Reconfigurable debarker head A debarker head for use in a rotary tree debarking machine has a drive shaft with a polygonal cross sectional shape and a plurality of substantially similar cutting elements with mounting apertures corresponding to the drive shaft shape and sized for slip... | 04/13/1993 |
| 4813464 | Rotary resurfacing blade A rotary blade for a resurfacing tool. The blade has two or more sets of teeth extending essentially perpendicular to the plane of the main disk of the blade. The teeth of varying rows are configured to perform either a rough first cut or a smooth finish ... | 03/21/1989 |
| 4738291 | Power saw including removable circular cutting element and holder A power saw having a stationary, tree-supporting platform disc, a rotatable tree cutting disc and drive means for rotating the cutting disc. The saw cutting elements have circular, conical or concave cutting faces with circumferential cutting edges. The c... | 04/19/1988 |
| 4395168 | Multiple cutter rotary tool A tool for use with a rotary drive is provided with a number of differently formed slots therein to receive different cutting blades in various orientations. The tool is adaptable for cutting in a radial direction and in an axial direction and can accommo... | 07/26/1983 |
| 4384600 | Chipping knifer A chipper knife (1) is fastened in a chuck (2). The knife has two supporting faces (15,14), which lie against two faces (25,24) in the chuck. The fastening of the tool can be improved if the rear supporting face (15) of the knife is provided with at least... | 05/24/1983 |
| 4180107 | Stump eradicator Apparatus for eradicating tree stumps comprising a rotary cylinder or drum having knives or teeth around its periphery. The teeth include both cutter teeth and chipper teeth. The primary purpose of the chipper teeth is to hog out and remove the fibrous wo... | 12/25/1979 |
| 4041996 | Stump eradicator Apparatus for eradicating tree stumps comprising a rotary cylinder or drum having knives or cutters around its periphery. The cutters are mounted on rings which encircle the drum. The rings have circumferentially spaced mounting surfaces which are stagger... | 08/16/1977 |
| 3986543 | Rotary cutter knife A rotary cutter knife in which a body is provided which is made up of coaxial discs in adjacent relation. Each disc has cutting edge portions distributed about the periphery thereof and in one relatively rotated position of the discs the cutting edge port... | 10/19/1976 |
