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| Number | Title | Issue Date |
| 7322778 | Tool with selectively-biased member A tool for working a workpiece has a slot provided between a pair of extremities at its distal end. The extremities have cutting blades mounted thereon. The slot is configured to receive a plate. The tool has a conduit running along its axis for communication of pre... | 01/29/2008 |
| 7284325 | Retractable finning tool and method of using An improved tool and method for enhancing the surface of a heat transfer tube are provided. The tool, which can be easily added to existing manufacturing equipment, includes cutting bits that may be retracted with a housing. The cutting bits include a cutting edge t... | 10/23/2007 |
| 7272877 | Adjustment method and apparatus for a boring tool Method and apparatus for adjusting the position of a cutting tool. In one embodiment, a boring tool includes a coupling member which is driven by a CNC boring machine, and a sliding tool holder which is slidably coupled to the coupling member. A frictional force res... | 09/25/2007 |
| 7264430 | Magnetically levitated high-speed spindle for shaping irregular surfaces A magnetically levitated high-speed spindle assembly (20) is provided for forming non-circular holes (22) in workpieces (24) or non-circular surfaces on pins. The non-circular holes (22) can be formed with dimensionally varying axial traj... | 09/04/2007 |
| 7261498 | Deburring tool and cutting insert therefor A deburring tool having an indexable cutting insert having four cutting edges. The cutting insert has a main body portion and a guide groove. The cutting insert is slidably retained in an insert pocket with the main body portion of the insert located in a generally ... | 08/28/2007 |
| 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 |
| 7172373 | Deburring tool with quick change knife The invention relates to a deburring tool with a quick change knife, which is formed by at least two parts, namely a guide sleeve having a larger diameter and a center bore, and a base body that can be inserted in the center bore in an axial direction. The base body... | 02/06/2007 |
| 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 |
| 7090445 | Tool with selectively-biased member A tool for working a workpiece has a slot provided between a pair of extremities at its distal end. The extremities have cutting blades mounted thereon. The slot is configured to receive a plate. The tool has a conduit running along its axis for communication of pre... | 08/15/2006 |
| 7066064 | Method and apparatus for vibration dampening of barfeeders A barstock bar feeder with a guide channel for encasing a barstock in a electro- or magneto-rheological hydrostatic oil bearing. Electro- or magneto-field generators are provided along the guide channel for selectively applying a field to the guide channel for chang... | 06/27/2006 |
| 7037050 | Milling head with one to three-dimensional adjustable cutting insert and with a positive fitting cutting insert A milling head is provided having a basic body and cutting inserts which can be adjusted in the basic body in recesses and are clamped down by a clamping element which is disposed in the recesses. ... | 05/02/2006 |
| 7011477 | Adjustable deburring tool An adjustable deburring tool has a cutting head and a shank. The cutting head has a projecting ridge with a recessed portion. The shank has a groove that communicates with an open ended and open sided threaded bore. The ridge is slidably located in the groove with a... | 03/14/2006 |
| 6939094 | Autonomous power interface for modifying limited rotation speed of a machine The invention is directed to a secondary power tool system, components thereof and methods for using the same. It is preferably for use with an automatic tool change CNC machine having a rotating tool receiving element. The system includes a power source delivery in... | 09/06/2005 |
| 6779953 | Apparatus for positioning a cutter of a tool relative to the spindle of a machine tool The invention provides an apparatus for positioning a cutter a tool relative to a spindle of a machine tool. The machine tool include a spindle having a rotating axis and a spindle housing for supporting the spindle for rotation about the rotating axis. The apparatu... | 08/24/2004 |
| 6761516 | Method for generating holes in laminate materials A method of generating holes in fiber-reinforced metal laminate material is provided, including creating a first bore 18 by passing a cutting element 16 from a first side 24 of the fiber-reinforced metal laminate material 10 to a second s... | 07/13/2004 |
| 6729810 | Selectively biased tool and methods of using the same A tool including a working portion with a working member, a side surface and an end surface. The working portion includes a passage passing through the side surface and the end surface. At least one seal is adapted to restrict fluid flow through the side surface and... | 05/04/2004 |
| 6536998 | Selectively biased tool and methods of using the same A tool including a working portion with a working member, a side surface and an end surface. The working portion includes a passage passing through the side surface and the end surface. At least one seal is adapted to restrict fluid flow through the side ... | 03/25/2003 |
| 6428253 | Device for fastening a tool on a driveable tool spindle of a machine tool in a progressively adjustable manner The invention concerns a device for infinitely variable support of a tool on a drivable tool spindle of a machine tool. To provide such a device which allows exact adjustment of the tool within a range of one millimetre, at the same time avoiding centrifu... | 08/06/2002 |
| 6345937 | Tool and method for the cutting machining of a workpiece A tool for cutting machining a workpiece, including a cutter plate supported on a holder for machining a surface and additionally comprising a tool projecting from the body of the tool. The cutter plate is supported on a holder which is in turn supported ... | 02/12/2002 |
| 6331093 | Compensator for multi-tool boring bar An apparatus radially adjusts a position of a plurality of tool cartridges of a machine tool having rotatable, concentric, elongate, inner and outer drive spindles. A plurality of pockets are formed through the outer spindle to communication with a passag... | 12/18/2001 |
| 6270295 | Tool with selectively biased member and method of using the same Cutting tool, such as a gun reamer or a drill, with a rotating cutting blade and a rotating support member for supporting the workpiece, where at least one of the cutting blade and the support member are selectively biased. The selective bias on the blade... | 08/07/2001 |
| 6220798 | Tool for machining drill hole surfaces A tool for the machining of workpiece surfaces, especially of drilled-hole surfaces, has at least two parts which are displaceable relative to each other. The tool for the machining of the workpiece surfaces is rotatable and includes at least one control ... | 04/24/2001 |
| 6196773 | Tool with control of a fluid axis using reference information from other tool axes A tool with a fluid axis wherein the fluid axis is controlled based on reference information from other tool axes, such as positional information relating to other tool axes. The reference information may be directly measured or may be determined from a c... | 03/06/2001 |
| 6086293 | Cutting tool for machining valve seats The cutting tool for machining valve seats comprises a driving system, a machining head, a pilot, a depth gauge, and a system controller. The driving system provides rotational movement and vertical movement for the machining head which is controlled by t... | 07/11/2000 |
| 6062778 | Precision positioner for a cutting tool insert A cutting tool insert is mounted on a flexure member that is mounted on the end of a boring bar. The construction of the flexure member is such that it is compliant along a radial axis perpendicular to the direction of tool advancement, but relatively sti... | 05/16/2000 |
| 5971682 | Toolholder For correcting eccentricity of a tool chucked in a first part of an at least two-part toolholder, which first part is detachably connected via clamping means to a second part of the toolholder, which is clamped in a machine tool and rotates about an axis ... | 10/26/1999 |
| 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 |
| 5947658 | Toolhead for cutting workpieces and method of manufacturing same A tool head for the precision cutting of a surface of a rotating workpiece has a cutting tool which is movable in opposition to the force of a restoring spring from an initial position into an operating position with respect to the workpiece via an actuat... | 09/07/1999 |
| 5915890 | Method and device for influencing the run of deep hole drilled passages For influencing the run of a deep hole drilled passage in a metallic or non-metallic material a pusher pad (6) variable in strength and position is interposed between the drill rod (2) driving the drill tool (1) or the drill tool (1) itself and the inner ... | 06/29/1999 |
| 5865573 | Boring bar cutting and grinding devices A boring bar for machining of borehole surfaces which are arranged axially spaced from each other, in particular crank-shaft and/or cam-shaft bearing holes. The bar has at least one, and preferably a plurality, of cutting devices and at least one, and pre... | 02/02/1999 |
| 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 |
| 5833408 | Radial load compensating apparatus and method for axially articulatable members An apparatus and method for compensating a radial load between relatively axially articulatable inner and outer members, which in the exemplary embodiment are a spindle cartridge and spindle housing of a slip spindle drill assembly. The apparatus includes... | 11/10/1998 |
| 5829925 | Coolant actuated rear-end countersinking tool The invention relates to a backspot facing tool for machining operations. At least one cutting fluid jet is used to actuate a cutter included in the tool, causing it to move from a retracted to a non-retracted position.... | 11/03/1998 |
| 5807037 | Tool head for machine-tools A tool head, in particular a fine adjustment head for use in machine-tools, may be coupled to a rotary machine spindle (26) and has a slide (16) that may be adjusted transversely to the axis (12) of the base body and is provided with a projecting tool-rec... | 09/15/1998 |
| 5775188 | Apparatus for and method of facing surfaces A portable facing head comprises a feed body portion in threaded engagement with lead screws that extend through the feed body. The lead screws are translated through the feed body by a worm gear enclosed within the feed body wherein the worm gear is rota... | 07/07/1998 |
| 5735650 | Drill bit for drilling an undercut hole A drill bit including a body, a drill bit fixed onto the body, a thrust transmitting member arranged on the body and having a contact portion, and an undercut cutting member housed in a guide groove provided in the side face of the drill bit. The undercut... | 04/07/1998 |
| 5713703 | Pressure controlled cutter bit retainer with precision adjustable cutter bit A pressure controlled cutter bit or drill bit retainer in the form of a revolving drill head with hydraulic precision adjustment of the drill bit arranged at a central extension, which is displaceable from its original position by small amounts around a p... | 02/03/1998 |
| 5678960 | Twist drill The invention relates to a twist drill, especially for metals. It has a substantially cylindrical basic component (1) divided into a shaft (2) and a cutting section (3), the central longitudinal axis (5) of which is the axis of rotation of the twist drill... | 10/21/1997 |
| 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 |
