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| Number | Title | Issue Date |
| 8033308 | Double-sided wear insert for a chipper A double-sided wear insert, for a knife assembly that includes a knife, a clamp, and a holder. In one embodiment, the wear insert can be turned end-for-end, and in another embodiment the wear insert can be flipped up-side down, to double the service life of the part... | 10/11/2011 |
| 7891388 | Knife and knife assembly for a planer side head A knife and knife assembly for a planer side head. An L or an LV type side planer head is retro-fitted with knives having substantially less mass than the knives originally provided for these heads. ... | 02/22/2011 |
| 7836923 | Ring slicer with easily removable knife and knife assembly A ring slicer with easily removable knife and knife assembly. According to one aspect of the invention, a ring assembly comprises two end plates for rotation about an axis of rotation. Each of the knife assemblies comprises an elongate knife having a cutting edge ex... | 11/23/2010 |
| 7798186 | High speed planer head A high speed planer head. Disclosed according to one aspect of the invention is a hub and a threaded member. The hub is axially disposed for rotation about an axis, and has a pocket for receiving a first knife against a supporting wall of the pocket. The threaded me... | 09/21/2010 |
| 7708040 | High speed planer head A high speed planer head. A threaded member having a frustoconical portion wedges against a knife, to clamp a knife to a hub for rotating the knife about an axis of revolution. The knife has a front and back side, two cutting edges and mirror image symmetry about a ... | 05/04/2010 |
| 7677282 | Knife assembly and chipping knife therefor A knife assembly and chipping knife therefor. The knife is rotated about an axis and has a front side facing the direction of rotation. The knife has a single deflector ridge extending from the front side of the knife and two indexing features on either side of the ... | 03/16/2010 |
| 7441571 | Conical chipper/canter head A conical chipper/canter head. The head includes, at least, one or more chipping knives. Each chipping knife provides at least one pair of linear cutting edges including a face cutting edge and a chip cutting edge angled with respect to each other. The face cutting ... | 10/28/2008 |
| 7343946 | High speed planer head A high speed planer head. Disclosed according to one aspect of the invention is a hub and a threaded member. The hub is axially disposed for rotation about an axis, and has a pocket for receiving a first knife against a supporting wall of the pocket. The threaded me... | 03/18/2008 |
| 7219706 | Apparatus having adjustable saws for wood cutting An apparatus having adjustable saws for wood cutting. A cutting head has at least two spaced apart disk-saws for producing respective slicing cuts in an article of wood, the saws defining respective distinct outer cutting diameters. Preferably, the disk-saws are bol... | 05/22/2007 |
| 7140408 | Knife assembly and chipping knife therefor A knife assembly and chipping knife therefor. The knife assembly includes a knife, and employs an upper clamping member and a lower clamping member for clamping the knife therebetween. The knife has an elongate axis and two spaced apart cutting edges parallel to the... | 11/28/2006 |
| 7069969 | Wood cutting knife assembly providing improved knife stability A wood chipping or cutting knife assembly providing improved knife stability. A number of control surfaces and other geometric features are provided to stabilize the knife in the assembly. An improved splitter is also provided for the knife assembly. ... | 07/04/2006 |
| RE38930 | Knife holder for a chipper disc An improved knife holder for a chipper disc. A knife holder for boding a knife has a first clamping portion and a second clamping portion for clamping the knife therebetween. One of the clamping portions pivots about a pivot point for clamping the knife and for rele... | 01/10/2006 |
| 6968879 | Knife and apparatus for clamping a knife A knife and apparatus for clamping the knife. The knife has front and back sides that, preferably, both include interlocking features adapted for interlocking engagement with corresponding inner and outer clamping members, to prevent slippage of the knife from the c... | 11/29/2005 |
| 6757952 | Ring slicer with easily removable knife and knife assembly A ring slicer having an easily removable knife and knife assembly. Within the scope of the invention, there is an apparatus for cutting an article of wood, comprising a ring assembly comprising two end plates and a plurality of knife assemblies. Each knife assembly ... | 07/06/2004 |
| 6712105 | Method and apparatus for planing an article of wood A method and apparatus for planing an article of wood. Specifically disclosed is a cutting head adapted for rotation about an axis, and at least one elongate knife including a linear cutting edge for cutting the wood. The cutting edge terminates at opposite ends of ... | 03/30/2004 |
| 6688351 | Adjustable profiling head for a wood cutting apparatus An adjustable profiling head for a wood cutting apparatus. There is a first body portion for carrying a plurality of first knives and a second body portion for carrying a plurality of second knives. The cutting edges of the knives define respective cuttin... | 02/10/2004 |
| 6637483 | Method and apparatus for profiling a log A method and apparatus for profiling a log. In a profiler having first and second knives disposed on a rotating disc, a mounting member is adapted to mountably receive both the first and second knives so that each blade has a point on its cutting edge tha... | 10/28/2003 |
| 6591878 | Method and apparatus for clamping a knife A method and apparatus for clamping a knife. A front side of the knife includes a recess and the knife is clamped between an outer clamping member adapted to receive the back side of the knife, and a inner clamping member adapted to receive the front side... | 07/15/2003 |
| 6330895 | Log flaking and loading method and apparatus A log flaking and loading method and apparatus. First and second pairs of cutting heads have cutting heads spaced apart to receive a log passed therebetween and thereby to cut two substantially parallel sides. The log is first cut by the first pair of cut... | 12/18/2001 |
| 6267164 | Chip and method for the production of wood pulp A chip and method for producing wood pulp. First, second and third pairs of substantially parallel sides are formed by cleaving, cutting and cutting, respectively. The sides of the second pair of sides are cut by a first knife so as to be spaced between a... | 07/31/2001 |
| 6167929 | Method and apparatus for profiling a log A method and apparatus for profiling a log. In a profiler having first and second knives disposed on a rotating disc, a mounting member is adapted to mountably receive both the first and second knives so that each blade has a point on its cutting edge tha... | 01/02/2001 |
| 6058992 | Method and apparatus for profiling a log A method and apparatus for profiling a log. In a profiler having first and second knives disposed on a rotating disc, a mounting member is adapted to mountably receive both the first and second knives so that each blade has a point on its cutting edge tha... | 05/09/2000 |
| 5979522 | Knife holder for a chipper disc An improved knife holder for a chipper disc. A knife holder for holding a knife has a first clamping portion and a second clamping portion for clamping the knife therebetween. One of the clamping portions pivots about a pivot point for clamping the knife ... | 11/09/1999 |
