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| Number | Title | Issue Date |
| 4230428 | Material saving cutter blade A cutter blade for use in cutting metal is formed with a recess spaced behind the cutting edge on the cutting face to save expensive cutting material, to reduce the time and energy required to sharpen the cutter blade, and to lengthen the life of the shar... | 10/28/1980 |
| 4211507 | Rotary cutting tool with radially adjustable, reversible tool bits The cutter head of a rotary cutting head is formed with three pairs of recesses separated by a wall portion of the head. An abutment member is received in one recess of each pair, and a tool bit in the other recess in such a manner that a cutting edge of ... | 07/08/1980 |
| 4209047 | Debarker toe assembly A debarker toe assembly includes a holder adapted for mounting to the end of a debarking arm and a demountable toe including a debarking edge. The holder and toe include interengaging surfaces for centering and holding the pieces in precise alignment duri... | 06/24/1980 |
| 4202650 | Shim lock toolholder A toolholder is disclosed consisting of a body having a recess extending inwardly from the periphery. The recess is formed having an inwardly extending front and back wall, defining a bottom wall therebetween. A shim is disposed in the recess with the bac... | 05/13/1980 |
| 4195955 | Holder for pin-type replaceable cutting inserts A holder or nest for pin-type replaceable cutting inserts having a circular aperture centrally disposed therein, includes a pin extending perpendicularly to the face of the holder, the pin being cylindrical and being formed with a pair of discrete opposed... | 04/01/1980 |
| 4182587 | Milling cutter and indexable insert therefor An on-edge, double positive rake, indexable cutting insert in which a short cutting edge is formed along one side of one face surface of the insert while a longer cutting edge is formed along an angularly related side of the other face surface of the inse... | 01/08/1980 |
| 4161972 | Apparatus for producing chips from logs of timber A chipping device including a disc-like member having a front face and the opposite face connected at its central region to a rotating shaft, said front face being provided with a spiral working surface which consists of main and auxiliary oblique surface... | 07/24/1979 |
| 4151869 | Knife assembly for profile cutting head A knife for a log profile cutting head assembly is detachably secured to a base including a chip directing gullett which in turn is secured to a standard cutting disc. The removable knife is shaped to include a mounting surface oriented to maximize resist... | 05/01/1979 |
| 4094362 | Apparatus for fine grading compacted earth A device for cutting, chipping and scraping compacted earth is disclosed. The apparatus is affixed to a prime mover for rotary engagement with the earth, whereby the compacted earth is selectively loosened and/or moved. The blade design disclosed is parti... | 06/13/1978 |
| 4093392 | Milling cutter An indexable insert milling cutter having multiple round inserts located in staggered individual isolated pockets formed in the annular periphery of the cutter body. Each insert is trapped in its pocket with only a small fraction of the cutting edge proje... | 06/06/1978 |
| 4078868 | Cutter having inserts clamped with wedges A cutting insert is disposed in a pocket formed in a cutter body and having a side wall and an angularly related bottom wall. A first wedge engages one face of the insert and includes a pin which extends into a hole in the insert. A second wedge engages t... | 03/14/1978 |
| 3962953 | Rotary tool holders A rotary tool holder of the type in which the tool has threaded engagement with a member projecting from a rotary body and the latter affords a forwardly directed radially extending locating face which engages a complementary face of the tool to locate th... | 06/15/1976 |
| 3957094 | Rotary material removing tool with expendable blades A tool for removing shavings from wood has a rotary main body portion provided with recesses extending inwardly from the peripheral surface and receiving elongated plate-like holders for flat blades made of sheet steel. Each blade is formed with openings ... | 05/18/1976 |
| 3953915 | Method and apparatus for removing tread material from radial belted tires A method and apparatus for removing tread material from a pneumatic tire preparatory to recapping comprising a machine with a reversibly rotatable cutting disc with hardened cutting inserts located on the disc to take discrete elongate rubber chips from t... | 05/04/1976 |
| 3946475 | Cutting insert locking means The invention pertains to the field of cutting tools having indexable replaceable cutting inserts and comprises novel means for locating and locking the individual inserts in place with assurance that the inserts are accurately positioned and firmly held ... | 03/30/1976 |
| 3930529 | Method and apparatus for removing tread from tires A method and apparatus for removing tread from tires preparatory to retreading of the tires in which a tire is mounted on a support and inflated and rotated on the axis of the tire. The tread is removed from the tire by a cutter disc which has cutting ele... | 01/06/1976 |
