"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7331096 | Cutting tool The present invention relates to cutting tools and, more particularly, to cutting tools having inserts and insert-receiving recesses with curved surfaces. The cutting tool includes a toolholder having a recess and an insert adapted to be received in the recess. The ... | 02/19/2008 |
| 7331736 | Metal cutting tool A cutting tool assembly (14) including a tool holder (20) having a removeable clamp (20a). A cutting insert support blade member (16) is removably held in the tool holder by the clamp (20a). The cutting insert support... | 02/19/2008 |
| 7329072 | Clamping mechanism for cutting insert, and cutting insert There is disclosed a clamping mechanism for a cutting insert that clamps the cutting insert by inserting the cutting insert into an insert mounting seat. The insert mounting seat is formed in a tip of a holder having a pair of contacting surfaces facing each other, ... | 02/12/2008 |
| 7326007 | Cutting tool and cutting insert therefor A cutting tool in which a cutting insert is resiliently retained. The cutting insert includes a locating portion and a cutting portion having a rake surface and a relief surface. The locating portion extends from the cutting portion away from the rake surface. ... | 02/05/2008 |
| 7320563 | Two-cavities cutting matrix A cutting matrix has a top surface, a first cavity for tightening the cutting matrix in a cutting tool, and a cutting edge for cutting by stock removal. A second tightening cavity is arranged coaxially with respect to the first cavity. The first cavity is deeper tha... | 01/22/2008 |
| 7264424 | Tool head for a machining tool A tool head, which is adapted to receive a cutting insert for chip removal machining, includes a basic holder which has a lower support part and an upper clamping portion defining therebetween and insert-receiving pocket. A slot extends through the basic holder at a... | 09/04/2007 |
| 7261496 | Two-part clamping claw The invention relates to a clamping claw having a securing leg and a clamping leg for securing an object in a first recess of a support, with the clamping claw in the installed state being secured on the support by way of its securing leg by means of a bolt and clam... | 08/28/2007 |
| 7246974 | Cutting tool head for a metalworking tool A tool head, which is adapted to receive a cutting insert for chip removal machining, includes a basic holder which has a lower support part and an upper clamping portion defining therebetween an insert-receiving pocket. A slot extends through the basic holder at a ... | 07/24/2007 |
| 7163361 | Cutting tool and cutting insert therefor A cutting tool in which a cutting insert is resiliently retained. The cutting insert includes a locating portion and a cutting portion having a rake surface and a relief surface. The locating portion extends from the cutting portion away from the rake surface. ... | 01/16/2007 |
| 7156006 | Method and assembly for rotating a cutting insert during a turning operation and inserts used therein A cutting insert rotated about its axis may be utilized during a metalworking operation and applied against the rotating workpiece to enhance tool performance. A method, including an assembly with a rotatable insert mounted to a toolholder may be utilized to achieve... | 01/02/2007 |
| 7073986 | Dimpled insert with retaining clamp A wear insert for a tool holder includes a top surface and a bottom surface with a dimple disposed in the top surface. A boss is disposed within the dimple. The tool holder for releasably securing the wear insert has a tool holder body including an insert-receiving ... | 07/11/2006 |
| 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 |
| 6921233 | Cutter insert and milling tool A cutter insert for milling tools includes a base body having a base surface, a top surface, and four side surfaces. The four side surfaces, together with each of the base surface and the top surface, define respective cutting edges. The base body is twisted about e... | 07/26/2005 |
| 6679657 | Tool for bore diameter work In the tool for bore diameter work of the present invention, first and second insert restraining faces are provided opposite each other on a insert installation section, and have projecting V-shapes parallel to the longitudinal direction of a shank. The t... | 01/20/2004 |
| 6648560 | Cutting insert A cutting insert includes a generally polygonal body having minor flank faces, major flank faces, chip breaking faces, major cutting edges formed at the intersection of the first faces and the major flank faces, and minor cutting edges formed at the inter... | 11/18/2003 |
| 6572309 | Key for widening an insert seat of a holder A holder includes a seat which removably carries a cutting insert for chip removing machining. The seat can be widened by the manual application of a force to enable the insert to be replaced. The force is applied by a manually actuable key which includes... | 06/03/2003 |
| 6558087 | Machining tool for high-speed machining A machine tool, which is also suitable for high-speed machining in metal cutting, for which at least one cutting body is held by a clamping device in a plate seat of a tool holder, which is bounded only by a back pressure supporting surface and by a suppo... | 05/06/2003 |
| 6409435 | Cutting tool and method of locating cutting insert An indexable insert is located on a toolholder with reference to bearing surfaces on the insert and the toolholder which are proximate to the active cutting edge. These bearing surfaces are internal to the peripheral (side) flanks of the insert. Location ... | 06/25/2002 |
| 6273649 | Cutting tool assembly A cutting tool assembly which includes a shank (1) and a removable cartridge (3) on which is mounted a cutting insert (5). The shank (1) is for mounting the assembly on a cutting machine. The cartridge (3) is removably mounted by a screw fastener (7) whic... | 08/14/2001 |
| 6186704 | Toolholder with detachable blade A toolholder assembly for holding a cutting insert has a removable blade for mounting the cutting insert and a toolholder body for mounting the removable blade. The removable blade fits within a pocket in the toolholder body having angled sides to positiv... | 02/13/2001 |
| 6168356 | Cutting insert and holder for metal cutting machining A metal cutting tool includes a holder arrangement, an indexible cutting insert seated on an insert-receiving site of the holder arrangement, and a screw for fastening the insert to the site. The bottom side of the insert includes more than two upright ab... | 01/02/2001 |
| 6168357 | Toolholder having a clamping arm and a spacer for preventing overclamping A toolholder for holding a cutting insert, particularly for grooving and/or parting operations. The toolholder comprises a base and a clamping arm forming therebetween a pocket and a slot. The pocket is open at a front end thereof for receiving the cuttin... | 01/02/2001 |
| 6146062 | Tool and clamp for chip removing machining A tool for chip removing metal machining includes a holder, a solid cutting insert mounted in a pocket of the holder, and a clamp for securing the insert. The clamp includes a clamping surface frictionally engaging a planar upper surface portion of the in... | 11/14/2000 |
| 6139227 | Holder for free-cutting machining tool inserts A holder for free-cutting machining tool inserts, especially for chiseling, piercing or cutting inserts, includes an essentially beam-like edge support (1) with a receiving pocket (5) constructed in its end for the blade edge inserts. Clamping jaws (9 and... | 10/31/2000 |
| 6116823 | Slot milling tool This invention relates to slot milling tools and the like where a number of inserts (4) are detachably mounted at the periphery of a disc shaped carrier means (1). The seats (3) of the inserts are arranged within integral holding projections arranged and ... | 09/12/2000 |
| 6113319 | Cutting insert holder for turning operation A blade-shaped tool holder for metal cutting machining comprises a blade part formed of a first metallic material, and a core of a sub micron hard material disposed in the blade part for stiffening the blade part.... | 09/05/2000 |
| 6065906 | Key for insert holders of the blade type A slot-widening key for use with insert holders of the kind that includes a blade shaped body having a slot intended to receive an insert. One surface of the slot is defined by an elastically flexible clamping arm for clamping the insert. The key has a sh... | 05/23/2000 |
| 6010281 | Toolholder having a clamping arm and a stop for preventing excessive opening thereof A toolholder for holding a cutting insert, particularly for grooving and/or parting operations. The toolholder comprises a base and a clamping arm forming between one another a pocket and a slot. The pocket is open at a front end thereof for receiving the... | 01/04/2000 |
| 5980165 | Insert holder and key therefor An insert holder having a slot adapted to receive a cutting insert, a part of the slot being formed by a clamping arm. Two laterally opening seats are provided in the holder for receiving two spaced-apart projections of a key that is intended to bend the ... | 11/09/1999 |
| 5947648 | Toolholder assembly A toolholder assembly includes a holder blade having an upper clamping jaw and a lower base jaw defining therebetween an insert receiving slot for releasably retaining a cutting insert therein. The upper clamping jaw has an upper surface disposed apart fr... | 09/07/1999 |
| 5934843 | Clamping device for a cutting insert A holder for clamping an insert, such as an insert for the turning of grooves and for parting. The holder includes a slot for receiving the insert. A recess is formed in an upper surface of the slot, and a tensioning roller is rotatably mounted in the rec... | 08/10/1999 |
| 5921724 | Insert and toolholder for machining operations A cutting insert and toolholder for metalworking operations in which the insert is mechanically captured by a resilient clamping arm within a recess of the toolholder secured at three distinct locations. In one embodiment, a clamping arm resiliently secur... | 07/13/1999 |
| 5899643 | Slot opening key for a cutting tool A slot opening key having a body member provided with a first, planar abutment surface and a second surface recessed with respect to the first surface and co-directional therewith. The body member is provided with a pair of spaced-apart prongs which are s... | 05/04/1999 |
| 5888028 | Tool holder A tool holder in which a clamping element is integral with the tool body and movable into clamping and unclamping positions by simple screw or other adjustment. In one embodiment the tool holder comprises an elongated metal body having a mounting portion ... | 03/30/1999 |
| 5846033 | Reversible thread cutting tool holders Reversible thread cutting tool holders having a holder body, a plate and a clamp for securing and orienting a cutting insert on opposite sides of the holder body. In one embodiment, the plate is a flat member being reversibly orientated on a top surface o... | 12/08/1998 |
| 5846032 | Cutting insert and cutting tool A cutting insert (2) having a tip bit. (5) and a tabular tip body (4) supporting the tip. The cutting insert (2) is used by being mounted to the body (1) of a cutting tool. Wherein, the tip body (4) has a plurality of elastic deformation sections (8) sepa... | 12/08/1998 |
| 5833403 | Cutting tool assembly having an exchangeable adaptor A cutting tool assembly comprises a tool shank having a shank holding portion and an exchangeable adaptor. The adaptor has an adaptor mounting portion to be secured to the shank holding portion with clamping means, and an insert retaining portion for reta... | 11/10/1998 |
| 5829923 | Blade-type holder for clamping a cutting insert and an adapter for supporting the holder A blade-type cutting insert holder is connected to an adapter. The blade includes a pair of clamp arms forming a space therebetween in which a cutting insert is clamped. The adapter includes a slot in which the blade is mounted. A clamp screw is threadedl... | 11/03/1998 |
| 5803675 | Holder for metal-cutting tool inserts A holder assembly for a chip-removal tool insert has a holder member formed with two clamping jaws which are spaced apart and form an elongated slot there between, the slot is provided with an enlarged opening formed between curved surfaces on opposite in... | 09/08/1998 |
| 5799554 | Clamping device for a cutting insert A metal cutting tool assembly comprising a rigid holder blade, an insert receiving slot formed in a leading end of the holder blade and defined between a resiliently displaceable clamping jaw formed integrally with the holder blade and rigid base jaw form... | 09/01/1998 |