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| Number | Title | Issue Date |
| 7156588 | Cutting head for rotary cutting tool A cutting head for a rotating cutting tool for metal cutting operations. The cutting head has an axially adjustable cartridge which is an integral single piece. A slit divides the cartridge into a clamping portion and a main body portion, the clamping portion being ... | 01/02/2007 |
| 6902568 | Vertebral endplate milling device A milling device having in which opposed distance adjustment elements are slidably coupled with two surfaces of the device's abrading element which face away from the abrading surface of the device's abrading element. ... | 06/07/2005 |
| 5857813 | Boring tool A boring tool for the fine finishing of surfaces of holes having at least one cutting bit and at least one guide ledge which are introduced and fixed in place in grooves arranged in the circumferential surface of the base body of the boring tool, characte... | 01/12/1999 |
| 4860453 | Deburring tool A deburring tool is provided having two sets of blades for use in simultaneously deburring the inner and outer edges of a piece of tubing, further including adjustment capability allowing the use of the tool in deburring tubing of different sizes, further... | 08/29/1989 |
| 4761102 | Drilling head with jointly or individually radially adjustable tools Drilling head comprising a body for fastening in a mounting support. The body carries a pair of radially movable tools. A casing is mounted for axial displacement along a bore in the body, the casing being rotatable relative to the body about the axis of ... | 08/02/1988 |
| 4756649 | Counterbore for the bilateral attachment of plane surfaces to bolt holes A counterbore for the bilateral mounting of plane surfaces on through holes that consists of a tool head that may be driven rotationally by means of a shank. The counterbore has two cutting heads with cutting edges pointing in opposite directions. The cut... | 07/12/1988 |
| 4752159 | Tapered thread forming apparatus and method A thread cutting apparatus and method are disclosed for the formation of tapered threads on the end of an elongated reinforcing bar of the type used in concrete structures. The apparatus includes a cutting head assembly having tool holder arms that are ca... | 06/21/1988 |
| 4688973 | Automated machine tool An automated machine tool is provided having an adjusting apparatus for changing the cutting radius of a cutting tool by changing the tool's position on a horizontal axis perpendicular to the axis of rotation of the cutting tool. A constant cutter feed ra... | 08/25/1987 |
| 4660262 | Forward and reverse milling cutter The milling cutter with a feeding motion in forward and reverse mills plane surfaces of large diameter in the area of through holes and consists of a tool head 17 which can be driven in rotation by a shank 17 and in which are mounted two cutting parts so ... | 04/28/1987 |
| 4661027 | Tool carriers and unbalance compensating means A revolving drill head or the like with finely adjustable tool carriers at right angles to its longitudinal axis having high rigidity material-elastic intermediate members operable by a hydraulic pressure medium supplied coaxially to the shaft of the dril... | 04/28/1987 |
| 4544309 | Adjustable cutting or boring tool Tool includes a plurality of circumferentially spaced radially extending guideways in an end face thereof for receipt of a corresponding number of cutting tool holders. The radial inner ends of the holders have cam followers thereon which are urged radial... | 10/01/1985 |
| 4509236 | Boring machines A boring machine comprises a hollow rotary spindle, a pair of swing arms attached to the front end of the rotary spindle to extend in symmetric radial directions with respect to the rotary spindle, and a driving mechanism disposed within the rotary spindl... | 04/09/1985 |
| 4505625 | Boring device A boring head (10; 50) for internal machining of bores in workpieces comprising an insert holder (16; 41) and an operating means (18; 27; 51, 52) resting thereagainst. The operating means is adapted to adjust the insert holder (16; 41) radially when turne... | 03/19/1985 |
| 4425693 | Retractable knife for skiving tool A skiving tool having a retractable knife for use in combination with a roller burnishing tool for finishing the internal surface of a cylindrical hole. The retractable knife includes a pair of radially extendible knife holders defining a camming path hav... | 01/17/1984 |
| 4343576 | Boring device The present invention relates to a boring device for boring internal surfaces of hollow workpieces of the kind which comprises radially adjustable insert-provided holders, there being provided pressure means, such as steering pins so as to effect radial a... | 08/10/1982 |
| 4309133 | Ultra-adjust boring and milling system A tool having a shank, cartridges on the shank positioned by a screw having two externally threaded parts which engage two internally threaded sleeves which in turn engage threaded openings in the cartridges. One of the threaded openings being right-hand ... | 01/05/1982 |
| 4278372 | Adjustable boring bar mechanism An adjustable multiple blade boring bar with diametrically disposed overlapping blade blocks, each adjustable in and out and a control cartridge having actuator pins movable in opposite directions in response to rotation of a differential screw, the pins ... | 07/14/1981 |
| 4242018 | Boring tool The head of the boring bar of a boring tool has a recess flanked by two toothed internal surfaces which extend forwardly and outwardly with respect to the axis of the bar and face each other. The bit carriers have toothed surfaces which engage the respect... | 12/30/1980 |
| 4221512 | Valve seat forming tool A valve seat forming tool includes a pilot rod that may be inserted into the valve rod opening of an engine block. A cutter assembly including a pair of cutter blades projecting radially outwardly from the assembly is rotatably positioned on the rod and m... | 09/09/1980 |
| 4162867 | Dual cutter boring head In the machine tool art, a dual cutter boring head which comprises a cylindrical body having side-by-side, tool-holding slides mounted diametrally thereon; the slides at their outer ends being fitted with cutters disposed exteriorly of the periphery of th... | 07/31/1979 |
| 4140432 | Deburring tool The deburring and reaming tool of this invention has a housing with a rotatable driven or supporting member that engages one end of a torsional-compression spring, the other end of which engages a reciprocatable, rotatable intermediate member having radia... | 02/20/1979 |
| 4135846 | Inside-outside deburring tool and optional flycutter An inside-outside deburring tool and flycutter having a body provided with an internal slot in which are slidably disposed a pair of tool bit holders. Interchangeable support elements mount the holders within the slot in such a manner that the holders are... | 01/23/1979 |
| 4044508 | Adjustable honing template A honing template comprising longitudinally extending fingers adapted to surround a hone and the ends of which carry template segments having inner abutment surfaces that are spaced to abut non abrasive surfaces that are in line with the stones when the s... | 08/30/1977 |
| 4006995 | Drill for use in a boring machine A drill for use in boring machines has a tool holder with two cutter bars having cutters projecting radially therefrom. The cutter bars are movably mounted in a radial direction in a recess passing through the tool holder. The tool holder includes a base ... | 02/08/1977 |
