...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7497817 | Milling machine with tool changer positionable within motion system envelope An improved milling machine makes use of individually controlled x-axis, y-axis, and z-axis carriages. These carriages provide positive and precise control of the position of the cutting tools and the blank to be cut. The tools are located in spindles that are moved... | 03/03/2009 |
| 7462144 | Machine tool A tool magazine is located adjacent to the work space of a machine tool. The tool magazine has a magazine wheel (34) that is rotatable in a controlled manner about a vertical axis and exhibits tool holders (50) on its periphery, in which tools can be h... | 12/09/2008 |
| 7445587 | Automatic tool changing method and device for machine tool controlled by numerical controller An automatic tool changing method and an automatic tool changing device for a machine tool with a numerical controller capable of reducing the occurrence of impact due to tool exchange with a simple structure. A turret that rotates about a pivot shaft is provided on... | 11/04/2008 |
| 7427258 | Counter-rotating spindle transmission There is provided a counter-rotating spindle transmission. More specifically, in one embodiment, there is provided a punching machine comprising a tool bearing configured to mate with a punching tool, a rotary/lifting drive coupled to the tool bearing to move the to... | 09/23/2008 |
| 7419461 | Machine tool with transport chain A machine tool is provided with at least one tool spindle which is travelling in a work space (11) and on which a tool receptacle for clamping tools is provided. The machine tool also contains a magazine for tools which can be introduced into the tool recepta... | 09/02/2008 |
| 7374526 | Tool replenishing apparatus A tool changing apparatus automatically changes tools mounted on the spindle of a transfer machine module. The apparatus includes a tool gripper magazine that releasably holds at least two tools. A guillotine supports the tool gripper magazine for motion between a r... | 05/20/2008 |
| 7356895 | Machine tool Machine tool furnished with: a table (20) free to swivel about a horizontal swivel center axis, and having a table body (22) for carrying a workpiece, and an axially rotatable rotary shaft (23) disposed with the axis of the rotary shaft (23 | 04/15/2008 |
| 7347649 | Powder purge tube To supply a powder lacquer sprayer, the coating powder is pressed by a pig through the supply line and, in the process, it is fluidized from the side of the pig which is turned toward the powder. The fluidization air can be led to the powder, for example, by a centr... | 03/25/2008 |
| 7338419 | Tool coupler for connecting tool heads, such as drills, reamers, millers, turn-cutters, dies, and rams, to a tool holder A tool coupler for connecting tool heads, such as drills, reamers, millers, turn-cutters, dies, and rams, to a tool holder. The tool coupler has a hollow shaft, a ring-shaped collar, and a gripper groove, in which gripper groove are disposed two diametrically opposi... | 03/04/2008 |
| 7322793 | Turbine motor of a rotary atomizer A turbine, e.g., with a blade arrangement, which receives an air flow in the radial direction and which is located on a carrier surface of the turbine wheel, is used as a drive motor for a rotary atomizer. The drive channel, which contains the turbine blades and whi... | 01/29/2008 |
| 7316639 | Tool magazine A tool magazine exhibits a storage wheel, on the circumference of which there are attached, in the direction of its rotational axis protruding in both directions, tool receivers designed to receive tools. To transport the tools to a tool changer arranged on one side... | 01/08/2008 |
| 7300393 | Automatic tool changer An automatic tool changer in which the load produced when a turret is rotation-driven is reduced, and abrasion in the balls and the like of a speed reducer, and mal-distribution of an axial pressing force are prevented. The speed reducer that drives the turret in th... | 11/27/2007 |
| 7275702 | Valve unit for an electrostatic coating installation The main needle valve of an electrostatic atomizer has an opto-electronic sensor device with optical waveguides whose faces are opposite a reflecting element of a component moveable with the valve needle for potential-free switch position interrogations. ... | 10/02/2007 |
| 7258514 | Machine tool comprising parallel tool spindles that can be repositioned in relation to one another A machine tool is provided, in particular for the synchronous machining of workpieces. The tool includes two or more spindle units (2, 3), which run parallel in a machining unit and are designed to hold tools and repositioning devices for the precise adjustme... | 08/21/2007 |
| 7217230 | Apparatus for detecting position of drawbar in automatic tool change device Disclosed is an apparatus for detecting a position of a drawbar unit installed in a spindle unit. The apparatus is a part of an automatic tool exchange device for exchanging tools in the spindle unit of a machine tool. The apparatus transmits a signal to a main cont... | 05/15/2007 |
| 7137940 | Machining center Machining is possible in such a manner that an optional position of a workpiece is positioned just under a tool by rotation of a turn table in a C-axis direction, movement of the turn table in a Y-axis direction, and movement of a spindle in a Z-axis direction, so t... | 11/21/2006 |
| 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 |
| 7131940 | Machine tool The present invention provides a machine tool whose width dimension is not increased even when it includes a tool magazine. The present invention includes: a bed; a saddle disposed on the bed to be movable in a forward and backward (Y-axis) direction in a front view... | 11/07/2006 |
| 7127786 | Machine tool The present invention provides a machine tool capable of enhancing approachability to a spindle to improve work efficiency even when it includes a workpiece changer. The present invention includes: a bed; a saddle disposed on the bed to be movable in a forward and b... | 10/31/2006 |
| 7128507 | Machine tool The present invention provides a machine tool capable of achieving a higher feed rate of a spindle and weight reduction while ensuring necessary stiffness of a column. The present invention includes: a bed; a saddle disposed on the bed to be movable in a Y-axis dire... | 10/31/2006 |
| 7123984 | Threading control method and apparatus therefor A threading control method and apparatus therefor is provided, in which, when carrying out thread-cut machining operations several times at one position, synchronized with main-spindle rotation and controlling movement of a threading spindle, deviations in thread gr... | 10/17/2006 |
| 7097603 | Machining centre When exchanging a tool, a tool of a spindle is stored in an empty pocket of a tool magazine, and thereafter, upward movement of the spindle and rotation of the tool magazine are simultaneously executed. At this time, synchronous control is performed in order to prev... | 08/29/2006 |
| 7063654 | Machining center Machining is possible in such a manner that an optional position of a workpiece is positioned just under a tool by rotation of a turn table in a C-axis direction and movement of a spindle on a Y-Z plane, so that a width of a main unit in a X-axis direction can be ma... | 06/20/2006 |
| 7040629 | Clamping device for elongated workpieces An arrangement for clamping raw materials in a machine tool for machining elongated workpieces is provided. The arrangement comprises a supporting plate with at least one thoroughgoing opening and at least one clamping device arranged in front of one of the openings... | 05/09/2006 |
| 7036750 | Axial shaping air design for paint atomizer Rotary atomizer for coating work pieces, with a rotating bell-shaped plate shaft for a bell-shaped plate for discharging a spray stream of a coating agent, at least one steering air outlet for discharging steering air for shaping the spray stream, a housing, and als... | 05/02/2006 |
| 7033308 | Automatic tool changing device for machine tool An automatic tool changing device capable of cleaning a contact surface of a spindle, which is to be in contact with a tool holder, with a simple structure. The device includes a turret having a plurality of grippers on its outer circumference and holding the tool h... | 04/25/2006 |
| 7024783 | Apparatus for changing operating modules on a coordinate positioning machine A storage port (20) for separating a magnetically coupled task module (18) from a modular probe (16) mounted on a machine comprises a housing (22) and arm (24) receivable by the task module (18). A mechanism is provided for ... | 04/11/2006 |
| 7018679 | Coating installation with an atomizer change station A change station for atomizer (7) and other tools that contains a carousel-like rotatable and/or linearly movable mount (112) is arranged on the wall of the cabin of a coating installation. The arrangement is such that the storage locations of the chan... | 03/28/2006 |
| 6972052 | Rotational atomizer with external heating system In a coating device with a rotary atomizer, for preventing the condensation of spray cabin air on components cooled by the lower-pressure exhaust air of the drive turbine of the atomizer, a heating device is provided, which can heat air flowing through the atomizer ... | 12/06/2005 |
| 6949057 | Multi-function end effector A multi-function end effector includes a plurality of tool change mechanisms in a housing in which a spindle is also mounted for translation along an axis of the spindle. Each tool change mechanism has a gripper that releasably grips a tool holder in which a tool is... | 09/27/2005 |
| 6730007 | Method, arrangement, device and magazine for automatic changing of knife units of a knife ring of a knife ring slicing device In a method and device for automatically exchanging knife units of a knife ring slicing device, the knife changing magazine is moved relative to the knife ring into a knife changing position in which the knife receptacles of the knife changing magazine are axially a... | 05/04/2004 |
| 6716146 | Tool Magazine A automatically indexing tool magazine, of the type attached to machining centers that incorporate an automatic tool change function, able to hold a relatively large number of tools in a compact space as means of improving space efficiency. The tool magazine is comp... | 04/06/2004 |
| 6645132 | Compound machining device A machining device comprising five axial kinetic coordinate systems that can be controlled simultaneously, three axes of which are linear moving axes and two axes of which are rotary axes, with one axis of the five axes being provided with a tool rotating... | 11/11/2003 |
| 6579216 | Tool exchanging apparatus for a processing center A tool exchanging apparatus for a processing center, provided with at least one tool spindle (2), in which a tool (1) can be clamped and which can be moved in the direction of the spindle axis and at least also in a direction vertical to this direction, e... | 06/17/2003 |
| 6467145 | Operating unit with an automatic tool changing device and transfer tool machine including the same An operating unit for a transfer tool machine comprises a turret head having a rotary plate, a plurality of tool holding devices arranged on the rotary plate, a supporting arm supporting the turret head on the tool machine framework and a mandrel which is... | 10/22/2002 |
| 6428452 | Assembly robot for wing A method and a device for assembling an air-craft wing incorporating at least two of the operations drilling, riveting and fitting of anchor nuts (20), where a robot (7) is mobile relative to the wing in a plane parallel to the wing and where the robot (7... | 08/06/2002 |
| 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 |
| 6228007 | Machine tool for processing crankshafts The machine tool comprises a workpiece carrier (16) into which crankshafts (10, 10a) can be clamped one above the other in horizontal alignment. The workpiece carrier (16) is fixed to a turntable (15) on a horizontal slide (14) with the turntable being pi... | 05/08/2001 |
| 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 |
| 6077206 | Storage device for machine tools A storage device for a machine tool having a ram, includes a cylinder of mounted for rotation in a chamber mounted to a frame of the machine tool adjacent the ram. The chamber has an opening and the cylinder is mounted for rotation about an axis parallel ... | 06/20/2000 |