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| Number | Title | Issue Date |
| 7338420 | Versatile toolholder for numerically controlled machine tool for holding tool through collet A versatile toolholder system is provided that is used by a numerically controlled machine tool. The toolholder system has an attachment portion that has a standardized shape to allow the toolholder to be used by conventional numerically controlled machine tools. Th... | 03/04/2008 |
| 7318692 | Spindle for a machine tool with improved tool ejection feature A spindle unit for a machine tool includes a drive unit having a drive shaft and a spindle head assembly constructed for receiving a tool and having a hollow spindle head shaft driven by the drive unit. Arranged for axial displacement in the hollow spindle head shaf... | 01/15/2008 |
| 7299726 | Method and unit for transversely cutting cigarette portions or similar on a filter assembly machine A method and unit for transversely cutting cigarette portions or similar on a filter assembly machine, whereby a cigarette portion is fed transversely through a cutting station to intercept a rotary circular blade, which is maintained in a work position by an arm mo... | 11/27/2007 |
| 7273335 | Machine tool A machine tool includes a table supported by a bed for forward and rearward movement along a path of movement, left and right transversely aligned upright columns on opposite sides of the path of movement, a cross rail supported in the columns for movement upwardly ... | 09/25/2007 |
| 7264581 | Machining center with a relay tool exchange device A machining center includes a first column, a second column, a crossbeam mounted transversely on the first and the second columns, a tool magazine, an upper tool exchange device mounted on the crossbeam, a lower tool exchange device mounted on the tool magazine and ... | 09/04/2007 |
| 7261503 | Multi-axis machine tool In a multi-axis machine tool comprising a slide way aligned on a longitudinal axis, a traveling column coupled via one end with the slide way, an arm mounted slidably to the column and traversable at least in a first direction normal to the longitudinal axis of the ... | 08/28/2007 |
| 7250023 | Drill accessory A tool for a power drill allows fast and convenient loading and unloading of a screw bit, drill bit, or other implement. The user preferably loads the tool with the necessary implements which are then carried with the tool. Each received implement is movable from a ... | 07/31/2007 |
| 7232406 | Tool changer of machine tool To provide a tool changer of a machine tool capable of preventing chips from scattering to the outside of the machine from an opening of a cover to adhere to a sliding portion or a gripper portion during tool change. A tool magazine 42 holding a large number ... | 06/19/2007 |
| 7223221 | Column moving type machine tool with shield machining space A machine tool capable of reducing the lateral width of the upper part thereof by reducing the lateral width of a bed (1) while machining through the same lateral moving distance of a spindle (10) as before, comprising longitudinal guide rails (2 | 05/29/2007 |
| 7210879 | Universal holding frame for certain drill accessories A universal holding frame provides convenience and safety for certain drill accessories which all have an elongate drivable shaft and a mounted storage barrel. The universal holding frame maintains the mounted storage barrel against rotation with the shaft of the dr... | 05/01/2007 |
| 7211034 | Translatable single drive means for multiple flexible-shaft hand tools An apparatus for operating multiple tool bits, all being independently powered through flexible shafts by a single motor, wherein each flexible shaft is connected to a dedicated docking station, and the single drive motor is operatively connected to a given docking ... | 05/01/2007 |
| 7189194 | Machine tool Machine tool with: a bed furnished with a base and two side walls provided standing along respective left and right sides of the base; a first saddle composed of a rectangular frame, with vertical sides provided perpendicularly and transverse sides provided sideways... | 03/13/2007 |
| 7179214 | Splitting blade changing device for block splitter A splitting blade changing device for a block splitter, comprising a revolving mechanism in which an upper rotary member is suspended by a supporting plate which is moved up and down by a cylinder installed in an upper part of a gate-like frame, a plurality of upper... | 02/20/2007 |
| 7150706 | Machining station A machining station, at least one machining unit, in particular a tool spindle, being provided for the machining of workpieces. The workpiece is approached to a discharge point and picked up there by a workpiece carriage. The workpiece carriage moves the workpiece f... | 12/19/2006 |
| 7147595 | CNC machine tool A CNC machine tool includes a worktable supporting two workpieces and rotatable on a base so as to exchange the positions of the workpieces. A post member is fixed on the base. A first horizontal rail unit is movable vertically on the post member. A second horizonta... | 12/12/2006 |
| 7132622 | Laser machining apparatus and laser machining method There is provided a laser machining apparatus, and a laser machining method using the same. The laser machining apparatus has a body portion having a plurality of laser irradiating sections and work mounting sections, a supplying stocker for supplying workpieces, an... | 11/07/2006 |
| 7115083 | Cutting tool holder for a machining center A cutting tool holder for a machining center has a body and a fastening device. The fastening device is mounted in the body and has a base, at least two positioning elements and a locking element. The base has an annular wall, a through hole and at least two positio... | 10/03/2006 |
| 7052219 | Tool, tool holder, and machine tool A tool attachable to a spindle of a machine tool in the same way as an ordinary tool, capable of being driven without connecting with an external power supply etc., giving a higher rotational speed than that of the spindle of the machine tool without supplying elect... | 05/30/2006 |
| 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 |
| 6949055 | Machine tool A machine tool consists in a pair of slide ways set apart one from another and extending parallel with a longitudinal axis, a machining station between the slide ways, presenting a first zone and a second zone adjacent one to the other, and a traveling gantry set in... | 09/27/2005 |
| 6940033 | WDS switch A switch mechanism that can be attached to a conventional cordless power tool. The switch is attached to the power pack on the cordless tool and when turned on starts the tool thereby eliminating the need to keep constant pressure on the conventional pressure switch... | 09/06/2005 |
| 6929591 | Tool storage holster A tool holster resiliently engages with a tool upon its insertion with the holster. Positive retention is obtained by rotating a threaded shaft to advance a cam to rotate levers to engage the tool. The lever arms are split to allow a degree of misalignment. Springs ... | 08/16/2005 |
| 6840896 | Attachment of machine tool and machine tool An attachment simplified in structure having resistance to mechanical error, vibration, or heat displacement, provided with a tool mount for rotatably holding a tool, an electric motor for rotating the tool mount, a generator to which rotary force is transmitted fro... | 01/11/2005 |
| 6698982 | Machine tool A machine tool has a table body and a drive line on a bed. The table body is linearly movable via a guide member having a sliding or rolling guide surface. The drive line has a ball screw or the like, and moves the table body along the guide surface. A pa... | 03/02/2004 |
| 6645131 | Hydrostatic tool system An hydrostatic tool system including a tool assembly having a hydrostatic tool holder for holding a rotating tool, for example a machine or cutting tool. The hydrostatic tool system may also include a tool storage system, a tool transport system and a too... | 11/11/2003 |
| 6579215 | Machine tool management system A tool, attachable to a spindle of a machine tool and capable of changing independently a rotational speed of a cutting tool from that of the spindle, provided with a cutting tool for machining a workpiece, an electric motor for driving the machining tool... | 06/17/2003 |
| 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 |
| 6364818 | CNC machine center with double-speed shifting feature in X and Z axes A CNC machine center with double-speed shifting feature in X and Z axes, comprises an upright stand for disposing a worktable assembly and a tool holder assembly. The worktable assembly and the tool assembly are relatively movable with each other in two p... | 04/02/2002 |
| 6217496 | Symmetrical multi-axis linear motor machine tool A machine tool has a frame supporting a vertical gantry which is driven at the top and bottom sides of the gantry such that the opposed, normal magnetic forces between stator coils and magnets are substantially equal and are self-cancelling. This reduces ... | 04/17/2001 |
| 6190294 | Horizontal machine tool A horizontal machine tool has a spindle head which supports a horizontal tool spindle. The spindle head is guided on a top surface portion of a base such that the spindle head is movable in two horizontal directions X and Z. A workpiece support for suppor... | 02/20/2001 |
| 6149561 | Machine and method for flexible line boring A line boring apparatus comprising a motorized spindle and tool support mounted on a support frame for motion along two axes perpendicular to a rotational spindle axis. The spindle is also supported for motion along the spindle axis relative to the tool s... | 11/21/2000 |
| 6030326 | Automatic blade changing system An automatic blade changing system of a dicing machine uses a blade which is fixed to an auxiliary stopper member provided with a thread which is engaged with a thread of a spindle. The automatic blade changing system consists of two blade holding means w... | 02/29/2000 |
| 5938577 | Symmetrical multi-axis linear motor machine tool A machine tool has a frame supporting a vertical gantry which is driven at the top and bottom sides of the gantry such that the opposed, normal magnetic forces between stator coils and magnets are substantially equal and are self-cancelling. This reduces ... | 08/17/1999 |
| 5868656 | Machine tool having a tool changing device with linear stroke mechanism A machine tool comprises a spindle having a tool receptacle for receiving tool holders in their working position. A tool changer is provided for conveying a tool holder in a first changing step between a magazine position and a spindle position at said sp... | 02/09/1999 |
| 5820536 | Automatic tool exchanging apparatus for machine tool An automatic tool exchanging apparatus carries tools between a magazine pot allocated to an exchanging position and a leading end of a spindle of a machine tool spinning a tool about a vertical axis through the turning and displacement movements of an exc... | 10/13/1998 |
| 5816987 | Elliptic trammel mechanism for automatic tool changing apparatus An automatic tool changer in a machining center includes a reducer, a compound cam, a cylindric cam, a four-bar mechanism, an elliptic trammel mechanism, and a tool changer device. The compound cam and the cylindric cam are driven by a motor after speed r... | 10/06/1998 |
| 5759140 | Method and apparatus for machining holes in crankshafts A crankshaft is mounted in a fixture which rotates the crankshaft about its longitudinal axis and which tilts the crankshaft about a horizontal axis to allow machining of holes such as oil holes at various rotational positions and at various tilt angles t... | 06/02/1998 |
| 5752904 | Automatic tool change A method for automatically removing a tool from a rotational shank shaft of a three-dimensional robot by indexing the shank shaft, disposing a tool tightening member provided in connection with the indexed shank shaft to a releasing device by movement of ... | 05/19/1998 |
| 5702336 | Tool magazine having grips capable of maintaining tool gripping force regardless of orientation of magazine disk A tool magazine having a plurality of grips for gripping tool holders for use in a machine tool. The tool holder gripped at the grip is transferred to a holder portion of a spindle of a machine tool, or the tool holder held in the holder portion is transf... | 12/30/1997 |
| 5662568 | Symmetrical multi-axis linear motor machine tool A machine tool has a frame supporting a vertical gantry which is driven at the top and bottom sides of the gantry such that the opposed, normal magnetic forces between stator coils and magnets are substantially equal and are self-cancelling. This reduces ... | 09/02/1997 |
