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| Number | Title | Issue Date |
| 7699567 | Final adjustment mechanism with tactile feedback Adjustment system for positioning a cutting insert on a cutting tool has a rotatable first rod with a surface having a plurality of flatted areas arranged radially, each at a different radial distance from an axial center of the first rod relative to a sequentially ... | 04/20/2010 |
| 7384219 | Tool with selectively biased member and method for forming a non-axis symmetric feature A rotating cutting tool is selectively biasable in the radial direction based on the angular orientation of the cutting blade, which may be used to create a non-axis symmetric feature in a bore. The radial position of the cutting blade may be controlled by selective... | 06/10/2008 |
| 7314315 | Gearbox for cold metal cutting machine Improved serviceability of cold metal cutting machines is accomplished in a modified gearbox structure enabling several annular components that are conventionally attached by press-fit to be attached instead by slide-fit for easy removal and replacement, eliminating... | 01/01/2008 |
| 7241086 | Apparatus for machining pipe ends, especially for cutting connecting threads A thread cutter for pipe ends has a tool head rotating coaxially with respect to a fixedly clamped pipe end and provided at tool holders in the form of radial sliders. Actuators which are parallel to the rotation axis are mounted on a frame shiftable with respect to... | 07/10/2007 |
| 7220086 | Tool head with at least two indexable cutting inserts The invention concerns a tool head for employment in machine tools with multiple indexable cutting inserts (20, 20′, 20″). The tool head includes a base body (12), a tool shank (14) projecting axially beyond the base body (12) and at ... | 05/22/2007 |
| 7207754 | Tool for machining workpieces A tool for the machining of workpieces is provided with a coolant/lubricant supply and an actuation unit for the activation of supplementary functions of the tool, with an actuation element and an actuation medium circuit. The actuation unit is separated from the co... | 04/24/2007 |
| 7195430 | Horizontal boring machine tool A horizontal boring machine tool is described that includes a boring bar equipped with a cutting bit and a counter-bar coupled in head-to-head rotation with the boring bar. This counter-bar is also equipped with a cutting bit, or a series of cutting bits destined to... | 03/27/2007 |
| 7155826 | Motor spindle with improved machining precision and method for operating one such motor spindle A motor spindle includes a spindle shaft for receiving a tool. The spindle shaft is accommodated in the housing of the motor spindle in a fixed bearing and a loose bearing. The received tool enters into contact with the machined workpiece in a tool interface when th... | 01/02/2007 |
| 7089837 | Combination tool A combination tool including a base body with several reaming blades each having a chamfer and a guide surface, arranged around the circumference of the base body, for reaming a cylinder bore. The combination tool also has at least one grooving blade arranged axiall... | 08/15/2006 |
| 7052217 | Multiple cutting edge rotary tool The invention relates to a multiple cutting edge rotary tool having a radial individual adjustment of each cutting edge or having a central adjustment for all cutting edges together. The multiple cutting edge rotary tool used for machining has a number of holders th... | 05/30/2006 |
| 7029209 | Slidable boring tool with fine adjustment Methods and apparatus for fine adjustment of the position of the cutting tool. In one embodiment, a boring tool includes a coupling member driven by a CNC boring machine, a cutting tool which is slidably coupled to the coupling member, and a slidable adjustment memb... | 04/18/2006 |
| 6908267 | Variable radii cutter A variable radii cutter which eliminates the need for having to provide a wide assortment of cutting tool bits for continuously imparting various sizes of radii on a workpiece is disclosed. In one embodiment, the variable radii cutter has a cutter in the form of a p... | 06/21/2005 |
| 6846136 | Rotatable cutting tool A rotatable cutting tool has a shank portion for coupling to a tool driving device and a cutting portion to which is attached at least one support member for retention of a replaceable cutting element. The support member is so arranged to permit displacement of at l... | 01/25/2005 |
| 6824451 | Process for the abrasive machining of surfaces, in particular of semiconductor wafers A process is described for the chemical mechanical machining of semiconductor wafers. A plurality of surfaces are successively subjected to a polishing step, in which they are brought into contact with a polishing device. The polishing device contains a polishing-gr... | 11/30/2004 |
| 6793560 | Honing method A honing method proposes that using an arbor honing tool a remachining be carried out using the same tool either simultaneously or following onto arbor honing, in which the ratio of the stroke speed to the rotational speed of the tool is significantly increased. Thi... | 09/21/2004 |
| 6655883 | Tool holder The invention relates to a tool holder for use in machine tools, comprising a main body, which can rotate about an axis of rotation, and cutter holders which each hold a cutting plate and can be radially adjusted by means of an axially displaceable contro... | 12/02/2003 |
| 6533506 | Adjustable hollow milling tool having constant radial rake angle, constant axial rake angle, and constant radial and axial clearance angles at all cutting diameters A hollow milling tool which is adjustable through a wide range of cutting diameters while maintaining a constant radial rake angle, constant axial rake angle, constant axial clearance angle, and a constant radial clearance angle. The tool includes at leas... | 03/18/2003 |
| 6383188 | Expandable reamer An expandable reamer for forming a space within a vertebral disc includes a pair of opposing blades which have a expanded state and a retracted state. The blades being pivotally positioned at the distal end of a shaft assembly. A shaft housing being subst... | 05/07/2002 |
| 6224604 | Expandable orthopedic drill for vertebral interbody fusion techniques An expandable orthopedic drill includes a shaft provided with a handle at is proximal end. Several cutters are supported around the hub by a linkage which maintains the edges of the cutters at a predetermined angle to the axis of the tool. The cutters are... | 05/01/2001 |
| 6012880 | Device for finish machining of bearing bores at crankcases A precise finish machining of bearing bores (25) at crankcases (26) is made feasible by way of a device with tow skid-guided spindle boxes (1, 2), the drivable spindles of which are in flush alignment. One spindle is designed as a working spindle (3) carr... | 01/11/2000 |
| 5839859 | Cutting tool mating surfaces having a V-shape cross-section A cutting tool has a slidable cutting-blade chip 5A, in which a slider 7 is slidably mounted into a groove 6 formed in the cutting tool main body 1, to offset a pressing force applied to the bottom face 6c of the groove 6 through the slider 7, to prevent ... | 11/24/1998 |
| 5836727 | Tool head, in particular a facing-tool head The invention concerns a facing-tool head with a main body (10) which can be attached to a machine spindle, a work slide (14) which can be moved along the main body (10) essentially at right angles to the axis (12) of the spindle and which has a tool-hold... | 11/17/1998 |
| 5709510 | Tool holder for inserts A clamp for indexable inserts used especially for turning. The clamp consists essentially of a clamp shaft and a clamp head combined with it in one piece. The clamp shaft can be secured to an axis-parallel clamping surface of a tool holder by a supporting... | 01/20/1998 |
| 5664900 | Dowel joint system for connecting elements of a solid material A system for fastening a dowel to a wooden element includes a drilling assembly for forming a blind hole in the wooden element which includes a first portion which is cylindrical and a second portion which tapers outwardly in frusto conical shape from the... | 09/09/1997 |
| 5620284 | Cutting tool In a cutting tool optimally used for working a valve hole in a cylinder head of an engine, a U-shaped groove (11) having a U-shaped cross section is formed to extend along a generatrix of a substantially conic tool main body (1), and a slider (160 carryin... | 04/15/1997 |
| 5482412 | Cutting tool A slider 16 having a cutting insert 5A is slidably mounted in a groove 11 formed along the generatrix dimension of a substantially conical tool body 1. Serrations 12 and 16a, which are brought into close contact with each other for engagement, are formed ... | 01/09/1996 |
| 5427479 | Cutting tool A substantially conical tool body 1 has a groove 11 extending in the direction of generating line. The groove 11 slidably receives a slider 16 carrying a cutting insert 5A. A spacer 12 having serration grooves 12a is interposed between one wall surface 11... | 06/27/1995 |
| 5316417 | Micrometric device for finishing high precision bores The invention relates to an improved micrometric device for finishing high precision bores. The device has a substantially cylindrical body having a displacement system arranged in an interior thereof. The displacement device actuates on a tool holder whi... | 05/31/1994 |
| 5158404 | Taper thread cutting machine and method A machine for taper threading the end of a bar such as reinforcing bar used in concrete construction utilizes a power operated vice to clamp and feed the bar end axially into a rotary head which contains chaser tooling holders which open uniformly on the ... | 10/27/1992 |
| 5120167 | Boring apparatus A boring apparatus comprises an elongate support body adapted to be rotatable by a machine tool spindle, a cutter mounting body releasably securable to the end of the support body remote from the machine tool spindle and is provided with a cutter guide wh... | 06/09/1992 |
| 5095785 | Self actuating generating tool A machine tool that includes a rotary spindle having a radially movable cutter element. An axially movable drawbar within the spindle is used to move the cutter element to its retracted or extended position. A harmonic drive unit is carried on the spindle... | 03/17/1992 |
| 5086676 | Method and apparatus for machining a differential carrier A machine tool and method for simultaneously boring, facing and back boring three bores in a differential carrier with three tools that rotate coaxially with their spindle axes. Each tool has a first slide at its free end that carries a first cutting inse... | 02/11/1992 |
| 5044841 | Valve seat bushing machining apparatus Apparatus for machining a valve seat and valve stem guide all from the valve seat side of a head or block. The valve seat is machined in one pass by a single point cutting tool which is moved on two axes and, the valve guide bore is machined by a reamer. ... | 09/03/1991 |
| 5030042 | Machining apparatus having means for changing radial position of cutting tools A machining apparatus including a rotating shaft disposed rotatably about an axis thereof, an eccentric rotating member supported by the rotating shaft rotatably about an axis thereof which is offset from the axis of the rotating shaft, at least one cutti... | 07/09/1991 |
| 4867619 | High speed spindle with adjustable tool A high speed spindle has a motor and tool adjustment mechanism which aligns spaced bearing means to rigidly support the spindle shaft at high speed operation and to prevent excessive lateral loading of a bearing unit of the tool adjustment mechanism. The ... | 09/19/1989 |
| 4847975 | Boring tool for machine tool A boring tool is made from simple bar stock without significant external machining of the tool body. By providing a longitudinal bore which intersects a transverse slot, a longitudinally slidable wedge with splines can cooperate with a disc carried by a t... | 07/18/1989 |
| 4793748 | Boring tool for machine tool A boring tool is made from simple bar stock without significant external machining of the tool body. By providing a longitudinal bore which intersects a transverse slot, a longitudinally slidable wedge with splines can cooperate with a disc carried by a t... | 12/27/1988 |
| 4793750 | Precision adjustment for a machine tool, especially a boring machine or the like In a precision adjustment head for a machine tool a slide (9) is radially adjustable in a radially extending guide (8) in a substantially cylindrical housing (1), on which slide a tool carrier (11) can be fixed. In the housing (1) the positioning member 5... | 12/27/1988 |
| 4740118 | Self-opening diestock A self-opening diestock which is characterized by the fact that it comprises a rotating operating part which carries the thread-cutting dies that are capable of radial travel and have two grooves in which are accommodated the heads; means for exerting an ... | 04/26/1988 |
| 4712951 | Tool for cutting annular groove A tool for cutting an annular groove on the interior of a substantially cylindrical surface comprising a primary body having a pointed base for anchoring the cutting tool and a portion for being grasped and rotated by a power source, at least one groove c... | 12/15/1987 |
