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| Number | Title | Issue Date |
| 8096736 | Machining unit, particularly for machining the surface of cylindrical cavities, having a tool holding assembly including actuating means for adjusting the tool position and a wireless control system for the actuating means A machining unit, particularly for machining the surface of cylindrical cavities, has a tool-holder assembly, including an electric actuator for adjustment of the radial tool position. The control signals of the actuator are transmitted to said actuator by a station... | 01/17/2012 |
| 8007213 | Attachment for machine tool When a horizontal shaft and a piston are caused to travel to a first side with a gear coupling engaging, the revolution of the piston is designed to be restricted by meshing a spur gear with an internal gear fixed to a main body of a horizontal swivel part. On the o... | 08/30/2011 |
| 7568867 | Air driven spindle assembly An air driven tool for use in a machining center, the air driven tool including an adjustable speed regulator and a turbine. The turbine is driven by pressurized air directed thereto. The turbine is rotatable about an axis. A flow of the air is regulated by the adju... | 08/04/2009 |
| 7563062 | Milling head A milling head has a body, a holding device, a driving axle, a spraying device and a tool adaptor. The body has a base, a rear cover, a front cover, a bearing seat and a middle liner ring. The holding device is connected to the body and has a linking arm, a mounting... | 07/21/2009 |
| 7390152 | Milling head particularly useful for cutting sharp interior corners A milling head particularly useful for cutting sharp interior corners in a workpiece, includes a rotary shaft coupleable to the rotary drive of a milling machine so as to be rotatable about the shaft longitudinal axis; and a conical cutter member coupled to the rota... | 06/24/2008 |
| 7367761 | 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... | 05/06/2008 |
| 7360976 | Air valve coupling method and apparatus A machining center including a machining head, a tool changer, an air driven tool and an air valve system. The air driven tool is connectable to the machine head by action of the tool changer. The air valve system has a first portion associated with the machining he... | 04/22/2008 |
| 7331584 | Chuck with nutating gear reduction A tool chuck may include a chuck body that supports chuck jaws. The chuck body may define a longitudinal axis. A driven gear may be mounted for rotation on the chuck body. The rotational axis of the driven gear may be parallel to the longitudinal axis of the chuck b... | 02/19/2008 |
| 7326011 | Contouring right angle head for complex machining A right angle, modular machining head can be removably mounted on the too head of a CNC machining center to provide contour machining of a work piece around a C-axis. The modular head includes a rotating drive that moves the tool around a contour axis, producing nut... | 02/05/2008 |
| 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 |
| 7300234 | Power transmission with bead drive A power transmission is provided. The power transmission includes a housing including a continuous channel following a three-dimensional path. A plurality of beads is located within the continuous channel and movable therein. A first sprocket is rotateably connected... | 11/27/2007 |
| 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 |
| 7220090 | Linear motor operated machine tool A linear motor actuated machine tool includes a bed, a column, upper and lower X-axis guides, a saddle, upper and lower X-axis linear motor magnets, and upper and lower X-axis linear motor coils. Upper and lower X-axis guides are attached to the upper and lower port... | 05/22/2007 |
| 7165302 | Spindle device of machine tool and method of replacing spindle A spindle device of a machine tool such as a milling machine and a machining center and a method of replacing a spindle, the spindle device wherein the housing of a spindle head (5) is divided into a front housing (23) and a rear housing (25), a... | 01/23/2007 |
| 7140818 | 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... | 11/28/2006 |
| 7111372 | Computer-controlled milling machine for producing lenses for clip-on accessory A milling machine for shaping blanks to create filter lenses for a clip-on accessory whose pair of filter lenses register with a pair of optical lenses in prescription eyeglasses when the accessory is hitched onto the frame of the eyeglasses. The frame of the eyegla... | 09/26/2006 |
| 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 |
| 7048479 | Machine tool apparatus A machining tool has a tool holder aligned on an axis of rotation β of its shaft, which axis β is oblique to the axis of rotation of a spindle at a predetermined angle θ. Accordingly, the machining tool may perform oblique machining of a workpiece. A power transm... | 05/23/2006 |
| 7018147 | Arrangement structure of machine tool The present invention provides an arrangement structure of a machine tool which is capable of compactly arranging electrical wires and pipes for coolant and the like without impairing support stiffness for a column, and simplifying the arrangement structure, while a... | 03/28/2006 |
| 7011613 | Spindle comprising a data storage element The invention relates to a spindle (9) for a machine tool, having a housing (12) to accommodate an electric motor (11) and a shaft (13) driven by the latter and having a tool holder for a tool (10) for machining workpieces, at leas... | 03/14/2006 |
| 7004693 | Tool, tool holder, and machine tool A tool attachable to a spindle of a machine tool by an automatic tool changer in the same way as an ordinary tool, capable of being driven without connecting with an external power supply etc., and able to rotate at a rotational speed different from than that of the... | 02/28/2006 |
| 6976813 | Engraving method, engraver cutter holding assembly, and engraver A cutter holder assembly for holding a cutting tool supported at a tool carriage moving in at least an X-Y plane and provided with a cutter for engraving an item to be engraved includes a mounting base capable of being fitted to the tool carriage, a holder base supp... | 12/20/2005 |
| 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 |
| 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 |
| 6890130 | Tire machining tool A cylindrical cutting tool for a tire detreading or machining machine, the circular blade of which has a beveled cutting edge, wherein the cutting edge is interrupted by at least one notch, that is to say a portion having a lower axial height than the cutting edge. | 05/10/2005 |
| 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 |
| 6840723 | Working unit for a machine operated tool carrier A working unit intended to be mounted on a movable machine operated tool support includes a casing which is attached to the tool support and which supports a pneumatic turbine motor with a rotor a shank end mill type machining tool with a cutter portion extending ou... | 01/11/2005 |
| 6832880 | Operating head for automatic machine tools, with projecting interchangeable chuck unit An operating head for automatic machine tools of the type mounted on a structure for moving along a set of three Cartesian axes having a first support, fitted to the structure for rotation around a first axis, and a chuck unit fitted to the first support, wherein th... | 12/21/2004 |
| 6832424 | Symmetrical mill An apparatus and method for in-situ milling includes a support and a pair of spaced apart rails attached to the support. The support and rails are mounted between a pair of opposed mill housing wear plate surfaces. A milling assembly is reversibly mounted on the rai... | 12/21/2004 |
| 6827530 | Symmetrical mill An apparatus and method for in-situ milling includes a support and a pair of spaced apart rails attached to the support. The support and rails are mounted between a pair of opposed mill housing wear plate surfaces. A milling assembly is reversibly mounted on the rai... | 12/07/2004 |
| 6825630 | Machine tool, tool, and tool holder A longer life, low cost tool and tool holder enabling change of posture with respect to a spindle, having a high machining accuracy of a workpiece, and resistant to generation of vibration or heat, provided with a working tool for processing a workpiece, a motor hav... | 11/30/2004 |
| 6808345 | 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... | 10/26/2004 |
| 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 |
| 6752750 | Tool, tool holder, and machine tool A tool attachable to a spindle of a machine tool by an automatic tool changer in the same way as an ordinary tool, capable of being driven without connecting with an external power supply etc., and able to rotate at a rotational speed different from than that of the... | 06/22/2004 |
| 6746188 | Machine tool A machine tool provided with a universal head free from restrictions on its swivel operation due to the presence of a power cable to a motor directly driving a spindle and consequently expanded in range of movement, provided with a ram serving as a support, a swivel... | 06/08/2004 |
| 6736043 | Apparatus for machining vertical panels An apparatus for machining vertical panels is provided including a frame 10 for supporting a panel in a substantially vertical plane, a tool mount 22, and a mechanism 14, 18, 20 supporting the tool mount 22 for movement in t... | 05/18/2004 |
| 6729813 | Spindlehead for tools A spindlehead for tools is insertable into a tool disk with holders provided for such spindleheads. A spindle holds the shank of the tool in its chuck at its front end section, and is rotatably mounted by a spindle bearing in a spindlehead housing. A coolant feed ex... | 05/04/2004 |
| 6623221 | Articulated milling arm for a dental milling instrument An articulated milling arm for a milling instrument, which includes a milling arm support movably attached to a frame to allow vertical displacement of the milling arm support; a first vertical axle, rotatably connecting the first milling arm support to a... | 09/23/2003 |
| 6615466 | Tool head with spindle bearing arrangement The invention relates to a tool head with a spindle bearing arrangement The bearings (9, 10) of said arrangement rest with one of their bearing shells on a driven spindle (2) with a tool holding fixture (1). With their other bearing shell they interact wi... | 09/09/2003 |
| 6604269 | Machine tool The invention pertains to a machine tool for processing workpieces with tools, wherein the machine tool has a spindle housing that contains a spindle shaft and accommodates at least one tool as well as a drive device that causes a rotational movement of t... | 08/12/2003 |
