Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8043032 | Interchangeable tool part for a reamer An interchangeable tool part for a reamer includes a hard metal cutting plate. The cutting surface of the cutting plate is arranged at a distance of at least 0.02 mm from the cutting edge on one side in the region of the cut part and at least partially has a peak-to... | 10/25/2011 |
| 7128501 | Lathe tool assembly A lathe tool assembly includes a pair of set screws that reduce vibration of a work piece that is being machined. A clamp set screw passes through a clamping assembly to a chip breaker that covers a cutting bit. The end of the clamp set screw bears against the chip ... | 10/31/2006 |
| 6988858 | Oxidation-resistant cutting assembly A cutting assembly that includes a tool holder that contains a pocket therein. A shim and/or pocket insert along with a cutting insert are within the pocket of the tool holder. The shim may present an oxidation-resistant surface. Exemplary materials for the shim inc... | 01/24/2006 |
| 6969218 | Profile turning tool The profile turning tool is used for rough-turning and dressing circumferential and flat surfaces, in particular of workpieces made of light metals. It consists of a holder (10) with a receiver (16) for a diamond cutting head (18) as well as a c... | 11/29/2005 |
| 6935814 | Throwaway insert and throwaway cutting tool A throwaway insert comprises an insert body formed in a polygonal shape, a cutting face formed by a polygonal face of the insert body, a corner cutting edge which is formed in a curved shape at a corner of the cutting face, a major cutting edge which is formed along... | 08/30/2005 |
| 6843620 | Cutting tool and indexiable insert therefor A cutting tool is provided which comprises an end cutting edge at an end of a rake face, and a depression formed in the rake face so as to provide the end cutting edge with a concave edge portion. ... | 01/18/2005 |
| 6708590 | Machine for chip cutting machining plus cutting tool for such machines A cutting tool (2) includes a front part (5), which has a cutting insert (6), as well as a rear part (7), which is detachably mountable in a holder (3) in an appurtenant machine. The tool (2) comprises a plurality of nozzles... | 03/23/2004 |
| 6299388 | Universal tool holder collant delivery adapters Universal tool holder coolant delivery adapters have adapter bodies which are removably attachable to a tool holder by at least one fastening device, the adapter located between an attachment end of the tool holder and a distal end of the tool holder, the... | 10/09/2001 |
| 6126365 | Boring tool A boring tool includes a concave groove formed on the outer peripheral surface of a tool body on the side opposite from a cutting blade with respect to an axis of the tool body. The concave, groove 10 is formed so as to extend from a position x, which is ... | 10/03/2000 |
| 5901623 | Cryogenic machining An apparatus for cutting chips from a workpiece includes a cutting tool having a rake face and a flank face, the rake face including a cutting edge. A chip breaker is positioned adjacent the rake face for lifting a chip from the rake face after the chip i... | 05/11/1999 |
| 5755815 | Cutting tool A cutting tool includes a shank fixedly mounted to a tool holder of a lathe and orientated generally radially to a workpiece rotated by the lathe, a head at one end of the shank having a recess for receiving the workpiece and orientated generally axially ... | 05/26/1998 |
| 5704734 | Metal cutting tool assembly having and automatically adjustable chipbreaker A metal cutting tool assembly (1) having an automatically adjustable chipbreaker (23) is provided that comprises a cutting insert (11) for cutting a relatively rotating workpiece, a holder (3) for holding the insert (11), an insert driver (5) for applying... | 01/06/1998 |
| 5702210 | Cutting tool with replaceable cutting insert A metal cutting tool comprising a tool holder and a double sided cutting insert is disclosed. The insert has rake surfaces formed in the corners of upper and lower surfaces of the insert with a recess formed in the corners. The insert is retained by the t... | 12/30/1997 |
| 5549424 | Indexable threading and turning insert with pressed-in chip breakers An indexable threading and turning insert with integral press-in chip breakers, having a threading insert portion and a turning insert portion. Each of the threading insert portion and the turning insert portion has, respectively, an integral pressed-in c... | 08/27/1996 |
| 4834592 | Cutting insert with chip control An improved cutting insert with chip control features and a method for manufacturing the same. An insert body having wall regions, sides and top and bottom walls is adapted for mounting in a pocket in a holder. The insert body has cutting edges and a diag... | 05/30/1989 |
| 4802799 | Drill bit A drill bit tip construction wherein the cutting edge at the tip of the drill bit is arranged to cause fragmentation of the chips being removed from the work metal during the drilling operation. The cutting edge of the drill bit at the drilling tip is mad... | 02/07/1989 |
| 4695208 | Tool holder A tool holder which is convertible to perform a variety of machining operations such as threading, turning and grooving comprises a support bar formed with a cavity which receives a mounting block having a seat adapted to support an insert so that the top... | 09/22/1987 |
| 4470442 | Rotary cutter for wood cutting machine, and device for holding cutting elements thereof A holding device for a rotary cutter has a supporting member extending over a greater part of each cutting element and having a web and holding tongues provided with an openings for receiving tightening screws, an abutment surface for abutting the cutting... | 09/11/1984 |
| 4463645 | Circular saw A circular saw having dual chip cutting action in which all of the saw teeth are of like width and radial height and have similar tooth geometry with the working surface of the leading tooth face disposed at a negative rake angle and having side portions ... | 08/07/1984 |
| 4414870 | Cutting tool The specification discloses a cutting tool (10) having a cutting insert (18) mounted thereon. A clamp (20) is secured to a tool body (12) by a screw (24) and spring (62) interconnection, and a clamp tip (22) extends from the clamp (20) towards the insert ... | 11/15/1983 |
| 4400116 | Cutting tool with adjustable chip breaker A cutting tool which includes a mounting shaft and a chip breaker positioned on the mounting shaft. A cutting plate is supported between the mounting shaft and the chip breaker, with a clamping jaw being positioned on the chip breaker. A clamping screw is... | 08/23/1983 |
| 4252038 | Modified tool holder to prevent insert slippage and fracture A cutting tool holding system is disclosed. The system employs an improved chip breaker element having a lip mechanically gripping a radially extending and exposed edge of the cutting tool insert; the breaker element is held against relative sliding movem... | 02/24/1981 |
| 4220427 | Apparatus for guiding continuous chip formed in lathing This invention relates to an apparatus for guiding a continuous chip formed in lathing. The apparatus can guide the chip smoothly without jamming caused by, for example, curling of the chip so as to prevent the finished surface of a workpiece from damagin... | 09/02/1980 |
| 4201501 | Cutting tool A cutting tool with a holder and a removable insert that has a flat positioning surface and a cutting edge located in the plane of said surface. The insert is carried in a slot of the holder, with the positioning surface of the insert clamped against a lo... | 05/06/1980 |
| 4201500 | Profile milling cutter for a circular milling of cylindrical portions of crankshafts A disc-shaped cutter body (1; 101; 201) is provided with a multiplicity of tooth plates (4; 104; 204, 204a), which engage suitable backing and end-supporting surfaces (5, 6, 7; 105, 106, 107, 205, 205a, 206, 206a, 207, 207a) of tooth holders (3; 103; 203)... | 05/06/1980 |
| 4102591 | Cutting tool An improved cutting tool includes a tool holder having a recess in which an insert is held by a retaining screw. The retaining screw has a head end portion which extends into an open recess formed in a side of the insert to press the insert against bottom... | 07/25/1978 |
| 4087194 | Cutting tool A cutting tool which may comprise: an elongated bar member having a body portion and an end portion; and an anvil member removably fastened to the end portion of the bar member for rigidly clamping a cutting insert to the bar member for radial projection ... | 05/02/1978 |
| 4074949 | Cutting tool A cutting tool for metal cutting with a cutter having parallel base surfaces and grooves machined into the side surfaces, forming cutting edges, which can be inserted into the recesses of a tool holder. The cutting tool has a center bore for accommodating... | 02/21/1978 |
