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| Number | Title | Issue Date |
| 7353586 | Method of horizontally stacking a stator core within a stator frame The present invention provides a method for the horizontal stacking of laminations 10 and donuts to form a stator core. A stator generator frame 2 has multiple keybars 6 that run the axial length of the frame. The laminations 10 have groo... | 04/08/2008 |
| 7266870 | Mandrel device for machine tool A mandrel device includes a spindle for rotatably attaching to a machine tool, a rotating device for selectively rotating the spindle, and a driving device for selectively driving the spindle in different speed or different torque when the rotating device do not rot... | 09/11/2007 |
| 7255171 | Method and apparatus for manufacturing an expandable slotted tube A method of manufacturing an expandable slotted tube fabricated from at least one tubular element and at least two annular elements connected to the opposite ends of the tubular element by means of butt joints wherein axially extending slots are formed at a uniform ... | 08/14/2007 |
| 7179030 | Machine tool A machine tool for machining workpieces includes a spindle group with at least two spindle arrangements placed alongside each other, each spindle arrangement possessing a spindle to receive a machining tool. Each spindle arrangement is guided on a guide arrangement ... | 02/20/2007 |
| 7179029 | Machine for machining workpieces, especially crankshafts and camshafts, with at least one internal cutter milling tool A machine for machining workpieces has at least one milling tool with an internal cutter. The machine is provided with a first guide system and a second guide system parallel to the first guide system. The first guide system has at least one compound slide having a ... | 02/20/2007 |
| 7134173 | Spindle head for a universal milling machine A spindle head for a universal milling machine having a housing rotatably mounted on a machine part and a work spindle mounted axially parallel in the housing. A second spindle unit adjustable about two axes is disposed on the rear side of the housing. ... | 11/14/2006 |
| 7131801 | Separation device between the machining station and a machine tool driving station A partitioning device between a machining station and a machine-tool driving station of the type driving at least two tool-holder rams is provided. The device includes a flexible curtain, called a central curtain, between two rams, where two ends are integral with a... | 11/07/2006 |
| 7131473 | Programmable coping bit A coping bit capable of being easily modified to cut profiles having tenons of varying lengths is provided. The coping bit includes an axially extending primary drive shaft and a first cutting member fixed on the primary drive shaft. An axially extending secondary d... | 11/07/2006 |
| 7114894 | Key cutting machine and method A key cutting machine for cutting a notch pattern on a key blank is disclosed. The key cutting machine comprises a pair of cutting heads and a clamp mechanism. Each cutting head includes a cutting wheel having an edge and an alignment structure mounted behind the cu... | 10/03/2006 |
| 6951256 | Machine tool having coaxial driving device A machine tool includes a housing slidably supported on a table, a moving device may be used to move the housing up and down relative to the table, a tubular shaft is rotatably received within the housing and includes a bore to receive a chuck device which may coupl... | 10/04/2005 |
| 6902362 | Machine tool In an automatic machine tool (1) comprising a spindle mounting slide (4) which is driven by a linear electric motor (9) in a vertical direction (V) in a slideway (8), the slide (4) is equipped with a counterweight device (13... | 06/07/2005 |
| 6711804 | Machining center A machine tool in which a plurality of machining positions is orbited by a work spindle unit carrying a workpiece and capable of radial displacement relative to the central axis of rotation. The work spindle unit may be one of one or more such units mounted upon a b... | 03/30/2004 |
| 6506004 | Method of controlling workpiece machining The invention concerns a method of controlling the machining of a workpiece which moves during the machining operation and on which a plurality of tool units operate simultaneously at different machining locations, in particular for controlling the rotary... | 01/14/2003 |
| 6457919 | Multi-purpose machine tool for high volume secondary operations A multi-purpose machine tool is provides for high volume secondary operations. Multiple machining heads and eight degrees of freedom provide for maximum versatility and adaptability for convenient set-up.... | 10/01/2002 |
| 6428453 | Machine tool A machine tool for cutting workpieces, the machine tool having a tool slide shiftable on or along a machine tool table as support of a machining unit. The machining unit has at least one work spindle and a workpiece support for receiving the workpieces to... | 08/06/2002 |
| 6412156 | Multi-spindle machine tool In a multiple spindle processing unit which can change processing locations of a work in accordance with a modification made to the work, the present invention is intended to facilitate changes of design corresponding to the modification made to the work ... | 07/02/2002 |
| 6402441 | Burr removing method and apparatus In a burr removing method and apparatus of the present invention, a burr located at an edge of a steel piece is cut with a cutter by disposing the cutter such that the flank of the cutter is substantially in parallel with the surface of the steel piece on... | 06/11/2002 |
| 6387025 | Machining device equipped with spindle position interchanger and method for interchanging spindle positions A machining device equipped with a spindle position interchanger comprises a longitudinal table provided on a bed and movable in a horizontal direction; a transverse table provided on the longitudinal table and movable in a direction perpendicular to the ... | 05/14/2002 |
| 6338705 | Apparatus for machining caliper blocks and brackets of motorcar disk brakes A machining head (36) is drivable along a vertical axis and two horizontal axes with respect to a workpiece held on a workpiece-holding device, and has, at progressively lower levels along said vertical axis, one or two high-speed spindles (44), one or tw... | 01/15/2002 |
| 6334745 | Apparatus and method for working double sided workpiece An apparatus for working on both sides of a flat workpiece includes a first support surface having a first axial line thereacross, a second support surface juxtaposed to and associated with the first support surface and having a second axial line thereacr... | 01/01/2002 |
| 6319104 | Tool for resurfacing machine A tool for use in an abrading or resurfacing machine includes a head portion, a shank portion and a base portion, the shank portion joining the head and base portions and having a shape that tapers outwardly from a narrow neck where it joins the head port... | 11/20/2001 |
| 6212773 | Method of shaping profiled frame members, and method of manufacturing frames A method for forming shaped members by drilling, milling or pushing. The positions of tools are preset with respect to at least one reference surface of the machine. A reference surface of each of the members to be machined is placed on the machine refere... | 04/10/2001 |
| 6145178 | Milling machine with horizontal and vertical spindles A machine tool comprises a base with an upstanding column, a vertical spindle axis tool driving unit symmetrically located and vertically movable on the front of the column, a frontwards oriented horizontal spindle axis tool driving unit symmetrically loc... | 11/14/2000 |
| 6099449 | Process and machine tool for machining workpieces with two work spindles A process and machine tool for machining workpieces with two parallel work spindles fitted on a headstock. The distance between the work spindles is altered with the aid of a driven adjuster. The machine tool for machining workpieces, especially for numer... | 08/08/2000 |
| 6095727 | Working head for numeric-control machine tools A working head for numeric-control machine tools is adapted to be moved along two or three axes relative to one or two parts mounted on respective worktables which can rotate about respective parallel axes. According to the present invention, the head sup... | 08/01/2000 |
| 6086295 | Automated flash removing apparatus This invention is of an automated flash removal apparatus which features counter-rotating trimming wheels which are positioned against the molded flexible urethane part or the molded flexible polyvinyl chloride part. The force of the trimming wheels again... | 07/11/2000 |
| 6067695 | Double arm vertical miller The miller comprises a pair of benches situated on both sides of a framework, in such a manner that on the upper crossbar is mounted, displaceable and guidable, a transverse support that carries a couple of vertical arms on which are mounted the correspon... | 05/30/2000 |
| 6050757 | Rotary milling process and device The invention relates to a process and a device for machining of workpieces (10) like crankshafts or similar components which are rotated about their own axis during machining, at least two mutually independently operating rotary milling tools (15, 16, 21... | 04/18/2000 |
| 6050760 | CNC milling machine A CNC milling machine comprises a main transmission shaft driven by a motor, an upright shaft provided with a transmission wheel set that is actuated by the main transmission shaft, an engagement device having a main shaft which is provided with a connect... | 04/18/2000 |
| 5980172 | Double cutting spindle unit for a cutting machine A double cutting spindle unit comprising a main spindle unit and a sub-spindle unit mounted on the main spindle unit and vertically slidable relative to the main spindle unit. The chucking member is normally biased toward its fastening direction by a fast... | 11/09/1999 |
| 5953974 | Apparatus for cutting slots in corrugated and twin-wall pipes An apparatus for cutting slots in corrugated and twin-wall pipes that have annular elevations alternating with annular impressions, comprises a machine frame with a pipe duct and a lifting carriage for moving a pipe through the pipe duct. Two groups of ho... | 09/21/1999 |
| 5921729 | Double-surface machining system A double surface machining system for machining both side surfaces of a workpiece comprises, in an operational state, a pair of upper and lower spindle heads to be vertically positioned and driven, respectively, a pair of upper and lower spindles provided... | 07/13/1999 |
| 5871313 | Precise self-aligning chamfer method and apparatus A cutting assembly and an apparatus for self-aligned chamfering of a workpiece are disclosed. The chamfering apparatus includes a mechanism for releasably securing the workpiece in preparation for a chamfering thereof, a cutting assembly, and a mechanism ... | 02/16/1999 |
| 5857894 | Grinding machine for the grinding of spur or helica gear--wheels In a stand (1), a work-piece spindle (2) is mounted for rotation around a vertical axis (C). On the stand (1), a slide (3) can be shifted horizontally and on the slide, a work-piece carrier (5) can be swivelled around a vertical axis (C1). On the carrier ... | 01/12/1999 |
| 5848863 | Working machine having different working angle A working machine includes a base having a working table for supporting a work piece and having a tool disposed on top for moving downward to machine the work piece. A block is secured to the base and has another tool for being selectively rotated to mach... | 12/15/1998 |
| 5839862 | Machine tool with spindle head pivotable about two axes A machine tool which has a swingable spindle head comprises a base member 1, a retaining member 5 attached swingably by a support shaft 3 to the base member 1, a spindle head 7 attached onto the retaining member 5, a lateral slider 15 being capable of lin... | 11/24/1998 |
| 5809631 | Multiple-axis machining apparatus A multi-axis machining apparatus including structure for positioning a workpiece in a precise and repeatable manner in relation to a tool bit. The multi-axis machining apparatus includes a main table forming a horizontally disposed upper surface and havin... | 09/22/1998 |
| 5769579 | Toolhead assembly for machine tools and method of making same A spindle assembly for a machine tool generally including a first housing having a bore provided with a lining formed of a structural polymer, a second housing disposed in the first housing bore in sliding engagement with the lining therein, a first spind... | 06/23/1998 |
| 5769578 | Crankshaft miller and method of use thereof A crankshaft miller is constructed by providing two cutter units movably in a longitudinal direction of a work between a pair of work heads provided on a bed and supporting both ends of the work. A cutter for machining a main journal and a first resting d... | 06/23/1998 |
| 5735029 | Flexible arbor mill machine An arbor mill machine which performs multiple machining operations on a workpiece in one work station. A rotatable tool turret carries a plurality of arbor cutting tools each of which can be indexed into the work station for performing a machining operati... | 04/07/1998 |
