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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7862261 | Tool holder with resharpenable cutting tool inserts A tool holder for a resharpenable cutting tool insert has a body portion which includes a recess. A wedge member is positioned in the recess. A locking screw locks the wedge member such that the top surface of the wedge member is in engagement with the bottom surfac... | 01/04/2011 |
| 7425108 | Method for milling splines A method of currently milling multiple splines on a round rod material. Inserts mountable on a milling machine are provided. The inserts each include two sets of milling teeth. The sets or sections of teeth are formed in the arc of a circle to enable milling multipl... | 09/16/2008 |
| 7390151 | Helical cutter head and helical cutting blade for use therewith A rotary cutter head is provided with helical carbide cutting blade inserts. The blade inserts extend along a helical path and are configured for cutting rotation in a predetermined direction. The blade inserts are secured to the cutter head body in a helical slot f... | 06/24/2008 |
| 7327109 | Adjustable bridge for acoustic stringed instruments A bridge for providing adjustable active string length on acoustic stringed musical instruments comprised of a concavity surrounding a plurality of individually adjustable saddles that are arranged individually and independently to support each string and be freely ... | 02/05/2008 |
| 7237586 | Rotatable cutting tool There is provided a rotatable cutting tool for supporting at least one knife in at least two alternate angular cutting configurations. The cutting tool includes a body that defines at least one cavity extending generally in a longitudinal direction of the body. Each... | 07/03/2007 |
| 7198436 | Multi-blade router tool, edger with multi-blade router tool, and method of edging eyeglass lenses The present invention relates to a router tool for edging the peripheral edge of eyeglass lenses. The tool comprises a longitudinally extending body rotatable on the axis thereof. A first blade extends axially and radially from the body, and has a first cutting port... | 04/03/2007 |
| 7189031 | Toolholder with insert clamp and method for the same A toolholder has an insert clamp in the form of a lever that urges the top of a cutting insert into the pocket of the toolholder. The lever may be spring biased against the insert and may also be dynamically activated by rotation of the toolholder. Additionally, the... | 03/13/2007 |
| 7182112 | Wood planing machine with an improved cutter head and method A cutter head for wood planing machine comprises elongated slots, wedges and blade retainers of a cooperative configuration that allows the blade retainers to be positioned in the slots with the wedges overlying the blade retainers. The wedges may be shifted upwardl... | 02/27/2007 |
| 7171735 | Shape member manufacturing apparatus and shape member manufacturing method The invention provides a shape member manufacturing apparatus and a shape member manufacturing method which aims at cutting and grinding a joint projection 8B formed when a plurality of shape members are joined together by welding or friction stir welding, in... | 02/06/2007 |
| 7159626 | Multi-application wood working knife and clamping assembly A wood working knife for use in a wood working machine, comprising a knife body having a first cutting edge and an opposed second cutting edge, the knife body having a first clamping surface and a second clamping surface. The first clamping surface has opposed clamp... | 01/09/2007 |
| 7094010 | Thread milling cutter, holder and a method for milling an external thread on a spigot The present invention relates to a thread milling cutter, which includes a cutting head, having a holder with a number of cutting insert pockets, a number of threading inserts, which are received in the cutting insert pockets and an attachment integrated with the cu... | 08/22/2006 |
| 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 |
| 6926051 | Planing cutter The invention is a planing cutter with a cylindrical cutter body (1) with recesses (3) along its enveloping surface. Each recess is delimited by a front wall (4), a rear wall (5) and a bottom (6) and contains a cutting element (... | 08/09/2005 |
| 6902357 | Cutting tool A rotatable cutting tool having s support region (1) with an end surface (2) and a plurality of recesses (4) extending from the end surface (2) and in which, respectively, a plurality of cutting elements (5) are arranged, with each... | 06/07/2005 |
| 6877934 | Milling head for thread whirling A milling head for thread whirling, the milling head includes a plurality of cutting elements evenly disposed around a center hole, each cutting element in the plurality of cutting elements includes at least two cutting surfaces formed thereon. Any one of the at lea... | 04/12/2005 |
| 6789983 | Rotary cutting tool and throw-away tip A clamping mechanism that prevents the shift and scattering of the cutting inserts due to centrifugal force and that prevents the generation of unwanted distortion and strain in the rotary tool body. The rotary cutting tool of the present invention has a plurality o... | 09/14/2004 |
| 6776203 | Device for rapidly fixing blades onto the shafts of wood planers The present invention relates to a shaft 4 for planers, of the type where the peripheral surface has, formed along it, longitudinal recesses 5 each housing a working blade 1 and a prism-shaped locking or retaining bar 2, with a system for... | 08/17/2004 |
| 6662837 | Replaceable blades for wood chippers Single-edged wood chipper blades which can be repeatedly removed from a wood chipper and sharpened, as needed, to prevent the need for disposing of multiple conventional blades over a prolonged period of repeated use. Each of the replaceable blades typica... | 12/16/2003 |
| 6644369 | Cutter unit for a wood planing machine A cutter unit includes two positioning bars mounted securely in a retaining groove of a rotating axle to define a cutter-receiving chamber therebetween. A cutter positioning block is disposed in the chamber. A first side face of the cutter positioning blo... | 11/11/2003 |
| 6386250 | Helical knife assembly A helical knife assembly has a plurality of blade holders. Each blade holder has two opposite step flanges, a blind hole, and a threaded groove communicating with the blind hole. A positioning block has a slant recess and two apertures. An oblong blade ha... | 05/14/2002 |
| 6378578 | Cutter head Cutter head for wood working machines comprising a carrier with at least one receptacle for detachably receiving a cutter unit and a means for adjusting the flight circle of a cutting edge of the cutter unit, wherein in order to facilitate such a cutter h... | 04/30/2002 |
| 6334740 | Tool for chip-breaking machining A milling tool includes a number of peripheral recesses, each of which accommodates an insert-carrying cartridge, and a clamping wedge which is tightenable by of a clamping screw. The clamping wedge includes two separate contact surfaces. One of the conta... | 01/01/2002 |
| 6280122 | Milling tool with precisely positionable inserts A cutter head of a milling tool is equipped with machining elements which can be fastened in respective recesses of a rotary body by one or more clamping wedges. On the rear side of the individual machining element there are serrations which co-operate wi... | 08/28/2001 |
| 6224299 | Tool with straight inserts for providing helical cutting action A milling tool having replaceable straight elongated inserts that provide a helical cutting action. The tool has grooves formed at an angle with the longitudinal axis of the tool, the grooves have flat surfaces. Wedge means secure the respective inserts i... | 05/01/2001 |
| 6203251 | Indexable milling insert An indexable insert milling tool with a milling body which on the circumference comprises distanced chip spaces, in which insert seats for indexable cutting inserts are formed, and with fastening screws which can be screwed into a threaded bore in the ins... | 03/20/2001 |
| 6189584 | Disposable carbide blade assembly for universal rotary cutter A disposable carbide cutting blade assembly for a universal rotary molding cutter head. The assembly comprises a disposable carbide blade blank having its cutting surface contoured to the desired configuration, a smooth rear, bottom, and front surface, an... | 02/20/2001 |
| 6164352 | Wood surfacing head and method A wood surfacing method and apparatus. A projecting surface projects from a cutting head adapted for rotating a knife about an axis. An article of wood is fed toward the cutting head. The projection projects from the cutting head, behind the knife with re... | 12/26/2000 |
| 6131627 | Planing machine, in particular manual planing machine A planer (10), in particular a hand held planer for machining wood, with a planer housing (12), which includes a planer shaft (20), supported rotatably in at least one direction with an outer contour (23), which in a longitudinal groove (46) has at least ... | 10/17/2000 |
| 6126364 | Reamer having spring-Biased insert clamps A reamer for chip removing machining includes a holder having a line of pockets, each pocket including a support surface facing in a direction of feed of the holder. Cutting inserts are mounted in respective ones of the pockets and project out of the pock... | 10/03/2000 |
| 6120218 | Planing tool A rotary cutting tool having a mounting portion with a plurality of mounting sections, each having a radially aligned pocket to receive a cutting insert. There is a positioning and actuating assembly by which a related wedge block can be positioned in its... | 09/19/2000 |
| 6119741 | Rotary cutter head A rotary cutter head is provided having body shape characterized, generally, outwardly-shifted cylinder segments to shift cutter head weight and force to the knife blades and to balance and extend the knifes from the central core of the cutter head while ... | 09/19/2000 |
| 6120217 | Cutting tool for producing toothed articles A cutting tool comprising a cutter body member having a generally circular shape, a front surface, a back surface and an axis of rotation, the cutter body member includes an outer portion comprising a plurality of individual projections arranged spaced fr... | 09/19/2000 |
| 6095210 | Woodworking shaper head A woodworking shaper head having a plurality of cutting blades mounted about the periphery thereof. Each cutting blade is mounted in a longitudinally extending channel in the surface of the head, and a gib of wedge shape is disposed in the channel to secu... | 08/01/2000 |
| 6092573 | Plane head for a planing machine The plane head for the hand-held planing machine includes a cylindrical base body (11) made from a group of identical stamped sheets (18) arranged axially next to each other and each provided with a punched hole (150) so as to form a base body cavity (15)... | 07/25/2000 |
| 6058989 | Self aligning knife clamping assemblies and machines incorporating the same A self aligning knife clamping assembly and machine incorporating the same are disclosed. In one embodiment there is provided a knife clamping assembly having an upper clamping component, a lower clamping component and a fastening device, such as a bolt, ... | 05/09/2000 |
| 6039096 | Milling tool with reduced noise emission for machining wood or the like The invention concerns a milling tool (10) with reduced noise emission for machining panel-like pieces of wood. The reduction in noise emission is brought about by reducing the vibrations produced in the tool and workpiece and by proportioning the cut, ma... | 03/21/2000 |
| 6030153 | Milling tool with axial adjustment A milling tool (1) has at least one insert seat (14) which is adjustable in the axial direction. Provided for this purpose as an insert seat is a cartridge (47) which is received in a groove (41) but does not have a supporting face for the bottom face of ... | 02/29/2000 |
| 5967706 | High speed milling cutter A milling cutter using a wedge to secure an insert within a pocket of the milling cutter wherein the wedge is tapered in both the axial direction and the radial direction. A screw urges the wedge within a tapered cavity to press the insert within the pock... | 10/19/1999 |
| 5934841 | Round bar cutting tool and cutting tool head for same A round bar cutting tool (10) and a cutter head (8) provided especially for the same are provided. The cutting tool has a shank with a generally round cross-section for being fixed by clamping means (28, 30) in a cutting tool receiving bore (12) of the cu... | 08/10/1999 |
| 5921719 | Insert holder with top clamp A cutting tool insert holder apparatus comprising a milling cutter body with at least one flute and a clamp to secure the insert in the holder and dimensioned to be held by a metal cutting milling machine. The flute is disposed at one end of the body and ... | 07/13/1999 |
