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| Number | Title | Issue Date |
| 7354230 | Bit holding apparatus for use with a power tool An attachment (10) for use with a power tool (12) which can conveniently convert a rotatable chuck (14) or adapter (78) used with a first bit device (22) to usage with a second bit device (36) and vice versa. Either first or... | 04/08/2008 |
| 7351017 | Solid drill bit for machine tools A solid drill bit for machine tools has a drill bit body and two indexable inserts arranged at a radial distance from one another in respective insert seats. The inserts have an essentially quadratic contour. Their front-end main cutting edges project axially beyond... | 04/01/2008 |
| 7338350 | Combination router-end mill cutter tool, edger with combination tool, and method of edging eyeglass lenses The present invention relates to a tool for shaping and polishing an edge of an eyeglass lens. The tool includes a longitudinally extending body rotatable on the axis thereof, with a proximal portion and a distal portion. A first cutter extends axially and radially ... | 03/04/2008 |
| 7246975 | Hole saw with replaceable cutting tip A device for cutting a hole, such as in sheet metal is provided. The device includes an axially rotatably cylindrical body that is operable with a rotatable drive. A distal end portion of the body includes a replaceable cutting tip and a replaceable pilot. The cutti... | 07/24/2007 |
| 7219584 | Indexible turning tool for chip forming machine An indexible turning tool for chip forming machining, includes a holder equipped with insert pockets receiving replaceable inserts, as well as a securing portion intended to be received in a tool machine. At least one of the replaceable inserts has a main plane that... | 05/22/2007 |
| 7201542 | Solid drill bit for machine tools A solid drill bit for machine tools. has a bit body and two movable inserts located a radial distance apart in insert seats of the bit body. The inserts have a rectangular or quadratic contour, project axially over the bit body with their major cutting edges and ove... | 04/10/2007 |
| 7152702 | Modular system for a back reamer and method A modular back reamer to be used in subterranean drilling includes a drive stem, a reamer body having a plurality of receptacles, wherein the receptacles are configured to retain a cutting leg assembly, and a plurality of shims engaged within the receptacles to secu... | 12/26/2006 |
| 7108460 | Unitized drill bit The present invention provides a unitized replaceable drill bit, and more particularly to a cutting tip of the drilling common bit, in which the central drill has an extended cutting edge, thereby to form a continuous cutting with the side cutting edges so as to pre... | 09/19/2006 |
| 7090447 | Twist drill for drilling with a countersink cutting arrangement, and a cutting tool with a countersink cutting arrangement, and a cutting-chamfering tool A twist drill or drill/chamfer tool that comprises a drill with a shaft section. The shaft section is provided with a twisted flute and a clamping ring as the retainer of a facing cutter. The clamping ring tubularly encloses the shaft section or the drill shaft and ... | 08/15/2006 |
| 7077606 | Rotating chip removing tool, such as a drilling and chamfering tool, with cutting inserts, and a milling cutter with cutting inserts A rotating chip removing tool, such as a drilling and chamfering tool, and a milling cutter, each of which have at least one cutting insert or cutting plate. The cutting plate has a guide recess that adjoins the underside of the cutting plate. A plate seat for accom... | 07/18/2006 |
| 7044694 | Router bit with position stop A router bit with a position stop is disclosed. The router bit includes a body with a collar extending outwardly from it and a shaft extending outwardly from the collar. At least one cutter blade is mounted to the body and the cutter blade may be used to cut a profi... | 05/16/2006 |
| 6945740 | Rotatable cutting tool with cutting inserts for chip removing machining A rotatable cutting tool for chip-removing machining includes a basic body which defines a center axis of rotation. Cutting inserts are detachably mounted in respective cutting seats that are formed in the basic body. Each insert has a square shape and includes firs... | 09/20/2005 |
| 6929427 | Cutting insert and milling cutter A milling cutter has a cutter body having insert pockets, with cutting inserts seated in the insert pockets. Each insert pocket has adjacent side and rear walls generally transverse to a base, the side wall being provided with two spaced apart generally flat and non... | 08/16/2005 |
| 6905278 | Connection point A connection point (1) between two tool parts is proposed which are joined by means of a threaded spindle (7) oriented in longitudinal direction of the tool parts. The threaded spindle has two oppositely threaded sections (13, 15) which interact... | 06/14/2005 |
| 6825630 | Machine tool, tool, and tool holder A longer life, low cost tool and tool holder enabling change of posture with respect to a spindle, having a high machining accuracy of a workpiece, and resistant to generation of vibration or heat, provided with a working tool for processing a workpiece, a motor hav... | 11/30/2004 |
| 6368032 | Chamfer cutter A chamfer cutter for machining a counter sink in a threaded hole of a work piece is composed of a housing and a tool rest. The housing has a tapering part at a bottom thereof and a chamber at a top thereof. A first channel is defined at an outer periphery... | 04/09/2002 |
| 5961256 | Rough boring tool having means to show microadjustable boring hole diameter machining quantity A rough boring tool is composed of a boring rod having a tool hole which is provided with a base line and a plurality of reading scales. The rough boring tool is further composed of a boring tool engaged with the tool hole and provided with a plurality of... | 10/05/1999 |
| 5910202 | Rotary cutter A rotary cutter for cutting holes of various sizes in ceiling tile in connection with the installation of light fixtures. The cutter includes an enclosure which functions as a jig for receiving and accurately positioning tile members prior to the cutting ... | 06/08/1999 |
| 5836728 | Floating reamer holder A floating reamer holder includes a tool holder coupled to a mounting shank which is receivable in the chuck of the turret of a machine tool. The coupling between the tool holder and shank includes both a fine adjustment which adjusts the float in order t... | 11/17/1998 |
| 5810522 | Hand-held bar edging tool and support therefor A tool housing is secured to the head of an electric hand drill so that a tool head, which is secured in the drill chuck, extends into the housing. The housing is secured to one end each of a pair of spaced, parallel guide rods that extend slidably throug... | 09/22/1998 |
| 5024566 | All in one drill bit A selective drill bit attachment for a standard portable electric drill is provided and includes a housing for carrying a plurality of different sized drill bits in which one of the drill bits can be selected and manually extended into an operable positio... | 06/18/1991 |
| 4950109 | Milling and countersinking fixture A milling and countersinking fixture for machining cylindrical openings includes a spindle head having a central opening formed therein and a tool holder disposed on the spindle head having an end surface and having a central opening formed therein defini... | 08/21/1990 |
| 4850757 | Rotary cutting tool A rotary cutting tool including an elongated generally cylindrical holder having a recess into which is fitted a disposable cutting insert. The insert is held in place by a clamping member which bears against a surface of the insert and which is attached ... | 07/25/1989 |
| 4784536 | Drilling head Drilling head characterized in that it is essentially constituted by a body (1) mounted on a support (2) which is provided with a securement shank, cylindrical or of modular type or the like, or with a shank adaptable directly to machines, or with a shank... | 11/15/1988 |
| 4648760 | Drill and cutting insert therefor The invention relates to a short-hole drill and a cutting insert therefor, for drilling of metallic work pieces. The drill comprises a drill shank with two chip flutes formed therein and with two cutting insert sites and two mainly rectangular cutting ins... | 03/10/1987 |
| 4629374 | Boring tool with cutting edge adjustment for withdrawal clearance A boring tool has a radially adjustable tool bit holder mounted on a head part connectable to an adaptor. A threaded stud for the connection between the head part and the adaptor has a thread arranged in each half, the two threads having different pitches... | 12/16/1986 |
| 4623287 | Drilling machine especially for drilling glass Drill apparatus, especially for drilling glass, with hydraulic and/or mechanically advancing, driven drill spindle, wherein the drill spindle is secured in a spindle carrier and is equipped at the end which is facing towards the workpiece with a drill, as... | 11/18/1986 |
| 4563113 | Indexable insert drill An indexable insert drill is disclosed that avoids formation of a breakout slug and therefore is particularly suited for drilling a laminate workpiece or stacked workpieces. The tool includes a cylindrical body provided with opposed flutes. A radially inn... | 01/07/1986 |
| 4558975 | Drill with disposable inserts The present invention provides a drilling tool having a shank and at least one pair of identical cutting inserts, the inserts having an octagonal shape having alternate equal obtuse angles. Each of the inserts is arranged such that they each have a differ... | 12/17/1985 |
| 4545711 | Tool using replaceable bits A milling tool for cutting internally of a bore by means of replaceable bits. The tool comprises an elongate bar member an end portion of which includes a pair of axially outer portions which extend radially outwardly from a central portion and are dispos... | 10/08/1985 |
| 4507027 | Adjustable boring head tool holder An adjustable boring head tool holder including a boring bar and a bar holder where securement of the boring bar to the bar holder is accomplished with a slot and key combination and a cam clamp. To add rigidity to the tool holder, a hold down clamp may b... | 03/26/1985 |
| 4382726 | Boring tool The invention relates to a boring tool for producing stepped bores. The boring tool comprises a shaft having at least one longitudinally extending dovetail groove which is adapted to receive one or more tool holders forming a trapezoidal prismatic block. ... | 05/10/1983 |
| 4367991 | Boring tool To provide for self-centering of boring tools, particularly of larger diameter boring tools having replaceable rotatable cutter bits, the cutter bit closest to the central axis of the tool holder or tool shank, i.e. the radially innermost bit is formed wi... | 01/11/1983 |
| 4268198 | Indexable insert drill A drill having at least two indexable radially spaced inserts arranged with axially projecting cutting points to machine overlapping concentric grooves, the outermost insert machining a groove having an outside diameter equal to the diameter of the hole a... | 05/19/1981 |
| 4248555 | Drill assembly A drill assembly has two inserts clamped in the respective radial recesses formed in the body. One insert has a straight edge and the other insert has a notched edge. The arrangement is such that the notched edge of the other insert is disposed slightly a... | 02/03/1981 |
| 4243348 | Tool holder A holder for a rotary metal cutter for use with a milling machine having a shouldered head portion, a cutter and a clamp member. The cutter is sandwiched between the clamp member and the shoulder of the head portion. Where it is desired that the cutter be... | 01/06/1981 |
| 4240770 | Boring tool with a floating knife A floating knife of a boring tool for machining the inner surfaces of cylinders, has a cutter member and a support element arranged on both sides of the floating knife. The support elements are arranged for cooperation with the respective cutter member. T... | 12/23/1980 |
| 4230429 | Boring tool for making borings in solid metal material of workpieces In a boring tool for making borings in solid metal material of workpieces, at least one cutting bit is interchangeably arranged in a recess, at the end of the borer shank. The polygonal cutting bit has a plurality of cutting edges of equal length, of whic... | 10/28/1980 |
| 4211510 | Adjustable boring head An adjustable boring tool including an axial shank and a socket for mounting a cylindrical boring bar with an offset axis clamped in adjustable position through transverse and longitudinally slotted segments on one side of the socket together with a trans... | 07/08/1980 |
| 4194862 | Indexable insert drill An indexable insert drill employing a plurality of inserts located substantially in a single radial plane characterized by a round innermost insert having its arcuate cutting edge extending across the axial center line of the drill. One or more supplement... | 03/25/1980 |
