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"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
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| Number | Title | Issue Date |
| 7337698 | Adjustable pipe shaving device A pipe shaving device for removing a uniform layer of material from the outer circumference of a pipe is provided. The device comprises a first frame member providing at least two support surfaces for the pipe, a second frame member slidable with respect to the firs... | 03/04/2008 |
| 7228771 | Automatic screw machine with multi-axis drive control The disclosed embodiments are directed to an improved automatic screw machine employing a first servomotor connected to cause rotation of a first set of tooling cams independently of the operation of a spindle drive, and a second servomotor to cause rotation of a se... | 06/12/2007 |
| 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 |
| 7165483 | Apparatus and method for clamping and positioning workpieces of different length between two centers In an apparatus (10) for clamping and positioning workpieces (36) of different length between two centers (26,28), comprising a base (14) with at least one linear guide (18), a first carriage (20) displaceable in a linearly ... | 01/23/2007 |
| 7159495 | Bar magazine for lathes with bar centering means in the magazine channel A bar magazine for lathes includes at least one channel designed to receive a bar being machined and pushed along the channel by a bar-pusher collet. The magazine includes at least one bar centering member arranged in a zone along the channel. The bar centering memb... | 01/09/2007 |
| 7155788 | C-axis driving device of a computer numerical controlled lathing and milling machine A C-axis driving device of a computer numerical controlled (CNC) lathing and milling machine includes a spindle, an encoder, a spindle motor, and a servo motor. The spindle has a clamping device and a transmission portion. This encoder connects with the transmission... | 01/02/2007 |
| 7134369 | Pick-off attachment for a multi-spindle machine A multi-spindle machine system includes a pick-off attachment. The pick-off attachment enables a more compact and stronger pick-off spindle. The shorter pick-off spindle is able to pick off longer work pieces. High speed bearings and oil lubrication enable the pick-... | 11/14/2006 |
| 7039992 | Lathe A lathe 1 comprises a bed 5, a headstock 10 having a housing 13 and a support base 14, a main spindle 11, a first tool rest 44, and a second tool rest 50. The support base 14 is formed so as to have a co... | 05/09/2006 |
| 7036409 | Spring collet for machine tools In a spindle assembly for machine tools, the axial length λ of the collar of a spring collet is determined as a function of the axial course length c of a clamping sleeve operating spring collet. This axial length λ is preferably retained within an interval rangin... | 05/02/2006 |
| 7013774 | Shave tool and tool holder An improved tool holder, such as a shave tool (20), broadly includes: an adapter plate (23) adapted to be mounted on the screw machine (21) for controlled movement toward and away from the workpiece (W); a tool block (24) slidably mounted... | 03/21/2006 |
| 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 |
| 6964217 | Multispindle lathe In order to improve a multispindle lathe comprising a machine frame, a rotatably mounted spindle drum, at least two workpiece spindles arranged in the spindle drum with their workpiece receiving means rotatable about a respective spindle axis, a plurality of spindle... | 11/15/2005 |
| 6901830 | Vertical lathe, tool head for vertical lathe, rotary table apparatus for machine tool In a vertical lathe of an open side column type, a pair of linear guides (65,66) arranged in parallel in a cross rail (62), and a space portion (67) is formed between them (65,66). A saddle (90) is supported by the linear guides ( | 06/07/2005 |
| 6901831 | Support fixture In a fixture for supporting a workpiece in a machine tool by means of two support elements held in a housing with the workpiece lying on them, the support elements are configured as levers held in a rotating mounting in the housing, the levers being driveably connec... | 06/07/2005 |
| 6799372 | Method for manufacturing hydro dynamic bearing device A method for manufacturing a hydro dynamic bearing device is provided. This method is capable of sufficiently increasing a circumferential speed at the time of grinding an axial member which is a structural component of the hydro dynamic bearing device, and also cap... | 10/05/2004 |
| 6782779 | Method and apparatus for machining turbine component internals A cutting tool assembly for machining a turbine component includes a substantially solid toolblock body, a blade sub-assembly, a cutting insert, and a lead screw. The toolblock body includes a centerline axis. The blade sub-assembly is slidably retained adjacent sai... | 08/31/2004 |
| 6672185 | Machining stabilizer A stabilizer is disclosed, for suppressing vibrations and whip during the machining long cylindrical work pieces. A mover causes arms to move away from the work piece when the mover is retracted and to move towards the work piece when the mover is extende... | 01/06/2004 |
| 6637306 | Lathe assembly and method of operating the lathe assembly A lathe assembly having a guide with a passageway for movement of a piece of bar stock, with a leading end and a trailing end, in a substantially straight path between a feeding position and a working position. A sensor assembly is capable of detecting th... | 10/28/2003 |
| 6591721 | Assembly line methods and apparatus for manufacturing dynamo-electric cores A workstation is provided for concurrently processing dynamo-electric machine core subassemblies that are at different stages of a dynamo-electric machine core manufacturing process. The workstation is configured to include a sequence of step processing u... | 07/15/2003 |
| 6575063 | Bar material supporting device for automatic lathe The bar supporting apparatus (10) relates to an apparatus which is installed to be continuous to the main spindle (50) of the automatic lathe at the rear thereof and prevents the rotating bar (17) held by the chuck (51) of the main spindle (50) of the aut... | 06/10/2003 |
| 6568096 | Device and method for measuring shape deviations of a cylindrical workpiece and correcting steadying element and correcting follower for use therewith A device and method for measuring deviations in shape of a generally cylindrical workpiece is disclosed. The device enables measurement of a number of shape-defining parameters while the workpiece is positioned in a machine tool, so that the workpiece doe... | 05/27/2003 |
| 6460436 | Reversible micromachining locator A locator with a part support is used to hold a part onto the kinematic mount of a tooling machine so that the part can be held in or replaced in exactly the same position relative to the cutting tool for machining different surfaces of the part or for pe... | 10/08/2002 |
| 6374713 | Facedriver with fully-adaptable workpiece engagement and enhanced centerpoint force A facedriver for holding a workpiece along the axis of a rotary-drive machining device, including a base member, a forwardly-biased centerpoint member, drivepins supported rearwardly by fluid in a fluid-containing chamber in the base member, a grip member... | 04/23/2002 |
| 6311592 | Loader for sprocket wheels and method to automatically position double-toothing sprocket wheels using the loader A sprocket wheel or double helical gear loader for a machine which generates gears by pinion shaped cutters. The machine includes a gear bearing table having a centering device and a rotatable supporting base. The loader includes a turntable which advance... | 11/06/2001 |
| 6272954 | Apparatus for machining explosive materials Apparatus for machining workpiece made of an explosive material, the apparatus including: a drive system and a cutting tool assembly for cutting a workpiece made of an explosive material; an elongate member carried by, and projecting along an axis from, t... | 08/14/2001 |
| 6257811 | Machine tool with a working area extending outside a workpiece table A machine tool has a vertical-axis tool spindle that receives a tool, and a workpiece table on whose upper side is arranged a fixture for clamping in a workpiece. The tool spindle and workpiece table are displaceable relative to one another in a working r... | 07/10/2001 |
| 6227084 | Device for guiding a bar fed in a lathe spindle The devices guides a bar that is advanced by the retractable collet of a bar feeder magazine to the mandrel of a lathe by employing an insert which is slidable with slight clearance within a duct that is connected to the mandrel. The insert has therethrou... | 05/08/2001 |
| 6212981 | Knuckle hub fixture assembly and method of using A part clamping fixture assembly for locating and holding a knuckle/hub assembly, including a knuckle, a wheel hub and a bearing, for final finishing of a flange face of the wheel hub includes a top portion, a first housing portion, and a second housing p... | 04/10/2001 |
| 6202520 | Method and apparatus for machining highly concentric parts Methods and apparatus for machining highly concentric surfaces on a workpiece. In a pre-operation, locating features are machined into either end of a workpiece. These locating features are subsequently pulled apart so as to induce tension in the workpiec... | 03/20/2001 |
| 6199462 | Method of repairing cylindrical workpieces and lathe therefor A method of repairing a drill pipe having first and second connector ends, each of the first and second connectors ends including a threaded portion and sealing portions, with a lathe having a chuck with longitudinally spaced first and second sets of jaws... | 03/13/2001 |
| 6182542 | Toolholder with floating roller A toolholder apparatus includes a head, a cutting tool mounting fixture attached to the head for holding the cutting tool, and a floating roller assembly pivotally mounted relative to the head. These components are arranged and constructed so that during ... | 02/06/2001 |
| 6145419 | Drive transmitting device A method of drive decoupling, and a drive decoupling device, utilized in connecting a driving member to a driven members that is attachable to a workpiece to be rotated about a drive axis, includes a laminated plurality of flexible sheet material, attache... | 11/14/2000 |
| 6134998 | Part positioner and holder for lathes An electromagnetic workpiece positioning and holding device is mountable on a metal working lathe for pulling bar stock to a working position relative to metal working tools and/or for holding and stabilizing an outermost end portion of a workpiece during... | 10/24/2000 |
| 6123000 | Centering spindle for a machine tool including an isolation spacer A centering spindle for use with a workpiece which is to be induction hardened includes a generally cylindrical outer housing into which a shaft is positioned and mounted in spaced relation to the housing by a bearing arrangement. The bearing arrangement ... | 09/26/2000 |
| 6119564 | Adjustable grinding support and grinding support assembly using same A grinding support for supporting a workpiece, such as a pin member, during a process of grinding the workpiece. The support particularly supports the workpiece in a stable position during grinding so that larger grinding "cuts" can be taken, thereby spee... | 09/19/2000 |
| 6098509 | Device for guiding a bar at the outlet of a lathe feeder A device for guiding a bar at the outlet of a lathe feeder, particularly of an automatic lathe, comprising: a tubular body, which is fixed to the outlet of the feeder coaxially to the rotation axis of the bar; and a plurality of circular annular elements,... | 08/08/2000 |
| 6092447 | Shave tool holder including a precise calibration assembly for machining a rotating workpiece A shave tool holder having a body, a platform base and a vertically extending superstructure. An elongate shank portion extends from the body and mounts the body to a holder block. The holder block is reciprocally actuated in a horizontal direction in com... | 07/25/2000 |
| 6062116 | Method of manufacturing hollow shaft and mandrel for holding cylindrical hollow shaft blank A hollow shaft is manufactured by defining a through hole axially in a shaft blank to produce a cylindrical hollow shaft blank, inserting a mandrel in the through hole of the hollow shaft blank, holding opposite ends of the mandrel concentrically with the... | 05/16/2000 |
| 6055892 | Work feeder for a vertical machine tool with movable spindle A vertical machine tool with a movable main spindle has a headstock for supporting a spindle having an axis in a vertical direction. A work feeder gives and takes a work between the work feeder and a chuck. The work feeder includes a work feeder frame pro... | 05/02/2000 |
| 6012364 | Toolholder with floating roller A toolholder apparatus includes a head, a cutting tool mounting fixture attached to the head for holding the cutting tool, and a floating roller assembly pivotally mounted relative to the head. These components are arranged and constructed so that during ... | 01/11/2000 |
