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| Number | Title | Issue Date |
| 7788998 | Precision machining system and methods A precision machining system with a variable projected machining width of the cutting surface of the machining tool, including: a workpiece holder to hold a workpiece; a machining tool holder to hold the machining tool such that the Z axis is substantially parallel ... | 09/07/2010 |
| 7487701 | Method for using a cutting tool having variable movement at two simultaneously independent speeds in an x-direction into a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for variable control of the movement of the tool tip in an x-direction into the work piece at two simultaneousl... | 02/10/2009 |
| 7398715 | Method for using a cutting tool having variable rotation about a y-direction transversely across a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for variable control of a rotation of the tool tip about an axis parallel to a y-direction transversely across ... | 07/15/2008 |
| 7395741 | Method for using a cutting tool having variable and independent movement in an x-direction and z-direction into and laterally along a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for independent and variable control of the movement of the tool tip in an x-direction into the work piece and ... | 07/08/2008 |
| 7395742 | Method for using a cutting tool having variable movement in a z-direction laterally along a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for variable control of the movement of the tool tip in a z-direction laterally along the work piece, while mai... | 07/08/2008 |
| 7350441 | Cutting tool having variable movement at two simultaneously independent speeds in an x-direction into a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for variable control of the movement of the tool tip in an x-direction into the work piece at two simultaneousl... | 04/01/2008 |
| 7350442 | Cutting tool having variable movement in a z-direction laterally along a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for variable control of the movement of the tool tip in a z-direction laterally along the work piece, while mai... | 04/01/2008 |
| 7337700 | Precision tool holder with flexure-adjustable, three degrees of freedom for a four-axis lathe A precision tool holder for precisely positioning a single point cutting tool on 4-axis lathe, such that the center of the radius of the tool nose is aligned with the B-axis of the machine tool, so as to facilitate the machining of precision meso-scale components wi... | 03/04/2008 |
| 7328638 | Cutting tool using interrupted cut fast tool servo A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for control of the movement of the tool tip in an x-direction into and out of the work piece in order to make d... | 02/12/2008 |
| 7293487 | Cutting tool having variable and independent movement in an x-direction and a z-direction into and laterally along a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for independent and variable control of the movement of the tool tip in an x-direction into the work piece and ... | 11/13/2007 |
| 7290471 | Cutting tool having variable rotation about a y-direction transversely across a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for variable control of a rotation of the tool tip about an axis parallel to a y-direction transversely across ... | 11/06/2007 |
| 7237992 | Process of machining scroll member by using non-rotary cutting tool A process of machining a scroll member of a scroll compressor by using a non-rotary cutting tool. The non-rotary cutting tool is moved relative to a workpiece in a predetermined direction for cutting the workpiece, with its rake face being held substantially perpend... | 07/03/2007 |
| 7171878 | Multi-station machine with rotating transfer for machining pieces The invention relates to a machining unit in which the pieces are carried by an electric turning spindle radially arranged on a turret with a vertical axis of rotation. On rotation of the turret the pieces are successively introduced into machining stations, arrange... | 02/06/2007 |
| 7000511 | Multi-station machine with rotating transfer for machining pieces The invention relates to a machining unit in which the pieces are carried by an electric turning spindle radially arranged on a turret with a vertical axis of rotation. On rotation of the turret the pieces are successively introduced into machining stations, arrange... | 02/21/2006 |
| 6994002 | End prep tool and tool centering and mounting system for use therewith An end prep tool is mounted in substantial alignment with a theoretical center of a pipe and used to prepare an end of a pipe, for example, by boring and/or cutting the end of the pipe. A tool centering and mounting system comprises a clamp cage and a tool mounting ... | 02/07/2006 |
| 6990878 | Radial feed facing head for boring bar A portable boring/facing machine using a single drive motor for rotating a boring bar and for either axially translating a cutting head assembly along the bar or radially moving the blade of the cutting head assembly using a lead screw. The machine utilizing two mou... | 01/31/2006 |
| 6918326 | Vertical lathe There is provided a vertical lathe which, when machining gradually varying lens grooves in a mold for molding of a Fresnel lens, can change the angle of a cutting tool without positional displacement of the cutting tip, enabling high accuracy machining of the gradua... | 07/19/2005 |
| 6862967 | Boring unit for complex parts, particularly for door handles, with differential control systems The invention is a new boring unit for complex parts, including a fixing pin, suitable for holding the piece in its hole, and two concentric cylinders coaxial with the pin that are set rotating in the same direction by two electric motors. The inner cylinder is prov... | 03/08/2005 |
| 6655246 | Machine tool The present invention provides an improved machine tool, comprising a machine frame, a support arranged on the machine frame and having a first receiving means for the workpiece or the tool. A cross slide system is arranged on the machine frame and has a ... | 12/02/2003 |
| 6581499 | Automated pipe cutter tool box The present invention provides a pipe cutter apparatus that includes a housing having a base and lid. The lid is moveable between a storage position and an operative position. A motor is retained within the housing and has a shaft operatively connected th... | 06/24/2003 |
| 6568303 | Method and apparatus for cutting rings from ring forgings A method and apparatus for cutting rings from ring forgings of titanium or related materials is described. The ring forging is gripped and rotated about its centerline in a centering chuck. A tool holder is mounted parallel to and spaced from the centerli... | 05/27/2003 |
| 6341547 | Lathe and method for turning a work piece on a lathe A lathe includes a frame for supporting rotatable chucking equipment adapted to hold a work piece. The frame further supports at least one lathe tool for machining the work piece. The chucking equipment and the lathe tool are displaceable relative to each... | 01/29/2002 |
| 6327946 | Method for manufacturing an improved seal for fluid applications A method for manufacturing a mechanical seal used in fluid applications, wherein the mechanical seal is comprised of a sintered (cemented) tungsten carbide ring that is turned on a lathe at a negative top rake angle instead of formed by grinding. The ceme... | 12/11/2001 |
| 6293174 | Quick change drive for core cutters A core drive for internal drive core cutters having a non-rotating pull rod and a rotating drive plate. The core drive has a rotating element assembly that releasably couples to the drive plate and a non-rotating element assembly that is secured to the pu... | 09/25/2001 |
| 6170367 | Single-point flexure toric contact lens forming machine and method In a fast tool servo, a single-point flexure mechanism amplifies a low force, large stroke range actuator's force while reducing its stroke range to reduce the arcuate motion of the cutting tool. The flexure mechanism bends around a pivot point in the X-Z... | 01/09/2001 |
| 5960688 | Box turning tool for automatic screw machine A box turning tool for a Greenlee automatic screw machine with a conventional endworking attachment uses a conventional indexable carbide insert to produce proper cutting action on a workpiece. The box turning tool has a shank clamped in the endworking at... | 10/05/1999 |
| 5887501 | End prep facing machine A portable end prep facer for refurbishing piping components in the field comprises a chuck to which a cylindrical mandrel is affixed where the chuck can be centrally mounted relative to a longitudinal axis of the piping component by affixing the chuck ei... | 03/30/1999 |
| 5778504 | Automatic lathe having independently movable gang tool posts An automatic lathe includes a pair of gang tool posts disposed on opposite sides of a headstock. The headstock has a main spindle and is movable axially of the main spindle, and the pair of gang tool posts are independently movable in respective two direc... | 07/14/1998 |
| 5619893 | Tube squaring machine A squaring machine has an elongate generally cylindrical housing with an axially mounted motor at one end of the housing which rotates a shaft extending through the axis of the housing. The shaft is longitudinally moveable within the housing, and a non-ro... | 04/15/1997 |
| 5429021 | Elliptical manway cutter A machine tool for resurfacing seats surrounding non-circular openings in members, such as elliptical manways, includes a housing adapted to be mounted in the opening, and a tool bit carried by a slide mechanism mounted on the housing for rotation about a... | 07/04/1995 |
| 5347895 | Brake lathe with electronic feed control A brake lathe for truing brake rotors includes a tool holder driven by a direct current motor to move a cutting tool radially with respect to the rotor axis in direct proportion to the number of turns of the drive shaft of the direct current motor. A tool... | 09/20/1994 |
| 5307714 | Device for holding and operating a facing head The device of the invention has a supporting body detachably fixed to a machine spindle, a head element detachably fixed to the supporting body, and at least one slide which can be moved substantially at right angles to the axis of rotation of the head el... | 05/03/1994 |
| 5277090 | Disc cutting apparatus A disc cutting apparatus for cutting opposite surfaces of a disc-shaped workpiece such as a disc rotor for an automobile disc brake includes a rotating mechanism for positioning and rotating the workpiece which is pressed, under uniform pressure, radially... | 01/11/1994 |
| 5211089 | Cam-controlled tube end finishing apparatus and method A cam-controlled tube end finishing apparatus includes a cutting bit having multiple cutting faces, a platform supporting the cutting bit adjacent to the end of a rotating hollow tube, and a pair of cam-controlled mechanisms for moving the platform and th... | 05/18/1993 |
| 5177842 | Apparatus for finishing surface of commutator of motor An apparatus for finishing a surface of a commutator of a motor, in which a distance between a surface to be finished and a reference position is measured in advance prior to the surface-finishing, and thereafter, turning, cutting or buffing is performed.... | 01/12/1993 |
| 5152202 | Turning machine with pivoted armature The invention relates to a high speed turning machine for machining a rotating workpiece to have a predetermined profile surface by using a cutting tool mounted on a pivotal tool holder that is reciprocated rapidly toward and from the workpiece surface. A... | 10/06/1992 |
| 5137397 | Cutting tool and method for using the same A cutting tool for finishing a back surface of a workpiece having a hole is proposed. A blade having an equilateral triangular shape is attached to a shaft of the cutting tool. One of cutting edges formed along the sides of the blade projects transversely... | 08/11/1992 |
| 5105692 | Positioning device having static fluid bearings A machine tool comprising a third carriage which is guided along a circular cylindrical guide of a second carriage by means of a static fluid bearing and which can thus rotate about an axis of rotation which coincides with a centerline of the circular cyl... | 04/21/1992 |
| 5101700 | Rotatable tool head A rotatable tool head for a machine tool includes a tool slide and a mass balancing counter slide which are radially displaceable in opposite directions. The counter slide is mounted in a central recess of the tool slide such that the mass centers of the ... | 04/07/1992 |
| 5081889 | Workpiece machining system A workpiece machining system for simultaneously machining the opposite surfaces of workpieces such as discs for disc brakes includes at least two machining apparatus disposed on a workpiece transfer path between a first workpiece inlet conveyor line and a... | 01/21/1992 |
