...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7645103 | Workpiece table arrangement A workpiece table arrangement for a milling and drilling machine comprising a rigid machine tool frame comprising an upper cross girth, a machining unit movable on the front side of the cross girth along at least two coordinate axes by means of a motor and including... | 01/12/2010 |
| 7625162 | Machine tool comprising an adjustable clamping table for workpieces The invention relates to a machining apparatus (1) having a frame (2) for the machining of a workpiece (3) that has a tool holder (4) that is mounted such that it can be shifted in a straight line in three axial directions (x, y, z) relat... | 12/01/2009 |
| 7367929 | Machine tool and method for cutting machining of workpieces A machine tool for the cutting machining of workpieces, in particular of metallic workpieces, has a first and a second tool spindle for receiving a first and a second machining tool, and it has a first and a second workpiece carrier for receiving a first workpiece a... | 05/06/2008 |
| 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 |
| 7143489 | Multiple station tooling machine for manufacturing drill bits and other spirally grooved workpieces The present invention provides a multiple station tooling machine for the production of spirally grooved products and includes a base plate, a plurality of work stations distributed around the base plate and operable to effect selected tooling operations on work pie... | 12/05/2006 |
| 7105956 | High precision z-theta stage A high precision z-theta stage having a horizontal translation axis (z-axis) and a rotary axis (theta-axis) parallel with the translation axis comprises parallel spaced apart linear translation stages, a carriage supported between the parallel translation stages, an... | 09/12/2006 |
| 7094012 | Quick set-up tilt table A quick set-up tilt table for securement to a precision vise of a tool. The tilt table is made from a plate of metal with a pair of flat parallel sides with holes formed in an arc for insertion of pins. The tilt table may be placed in the precision vise with pins in... | 08/22/2006 |
| 7093334 | Machining unit with orientable spindle-axis for milling and boring operations A machining unit has a spindle-carrier structure, which can be oriented around a vertical axis. ... | 08/22/2006 |
| 7084533 | Dual-function three-axis positioning system A dual-function, three-axis positioning system having a high precision z-theta state with a horizontal translation axis (z-axis) and a rotary axis (theta-axis) parallel with the translation axis and a second horizontal translation axis (x-axis) comprises parallel sp... | 08/01/2006 |
| 7038334 | High precision laser machining apparatus A high precision laser machining apparatus having a horizontal translation axis (z-axis) and a rotary axis (theta-axis) parallel with the translation axis comprises parallel spaced apart linear translation stages, a carriage supported between the parallel translatio... | 05/02/2006 |
| 7013544 | Machine tool and pallet changer for machine tool An APC is provided in a five-axis controlling vertical machining center. A spindle head is movable in three mutually transverse axes directions to a workpiece. A table disposed below swings to be positioned and is directed upwardly and indexed. A pallet setup base i... | 03/21/2006 |
| 6948894 | Multi-axial machine tool and table unit mounting jig In the multi-axial machine tool, a table unit is detachably mounted on the upper surface of the interior portion of a portal bed disposed on a leg. The table unit comprises a table base fixed to the upper surface of the leg, a turning table which, when it is viewed ... | 09/27/2005 |
| 6938312 | Work pallet A work pallet that is arranged to be simple in construction capable of machining five faces of a work by rotating it around the axis of rotation. A work pallet (4) comprises a base body (5) detachably fixed to the table (3) of a machine-tool ( | 09/06/2005 |
| 6886225 | Worktable for numerical control machine tools A worktable for numerical control machines, having a supporting structure hinged to the frame of the machine tool, and a faceplate fitted for rotation to the supporting structure to rotate, on command, about a first reference axis; the worktable having a first drive... | 05/03/2005 |
| 6865788 | Numerical-control milling machine A numerical-control milling machine having a supporting frame; a worktable fitted to the supporting frame so as to oscillate about a substantially horizontal first axis of rotation, and in turn having two rotary platforms, each for accommodating a workpiece; and two... | 03/15/2005 |
| 6839954 | Remote controlled indexer system and method for machining a part surface The present invention provides a remote controlled machine axis (or indexer) system that comprises a horizontal base plate, a first vertical plate, and a second vertical plate, wherein the first vertical plate and the second vertical plate are coupled to the horizon... | 01/11/2005 |
| 6733217 | Workpiece holding means for machine tools and more especially for milling and/or drilling machines A workpiece holding means for machine tools and more particularly for milling and/or drilling machines, comprising a pivoting bridge supported between two bearing walls. The bearing walls respectively laterally delimit a working area. At least one drive motor serves... | 05/11/2004 |
| 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 |
| 6679659 | Milling machine comprising a rotating, drivable tool spindle A milling machine with a rotating drivable machine tool spindle perpendicular to a work piece stage slanting downward and away from the front side of the machine bed displaceable along the Z-axis that may be displaced via a first carriage along the Y-axis... | 01/20/2004 |
| 6666630 | Milling machine and milling process The invention concerns a 3D milling machine and a 3D milling process. The milling machine comprises a milling unit (2) with a motor driven work spindle (4) for receiving a milling tool, a work table for clamping work pieces, guide and drive device for pro... | 12/23/2003 |
| 6421906 | Apparatus for the manufacture of metal components requiring chip removing machining Identical ring-shaped metal blanks are machined whereby each blank forms a plurality of identical components. The blanks are first machined on both sides, and then a stack of the blanks is clamped axially adjacent one another on an arbor. Tools machine th... | 07/23/2002 |
| 6352496 | High-speed milling machine with rotary table A milling machine includes a bi-directional, variable speed, rotary workpiece-holding table, a table drive sized to achieve relatively high acceleration and deceleration rates, a cutting tool mounted to a single or dual axis head, and a control system ada... | 03/05/2002 |
| 6203478 | Machine for drilling oil holes in crankshafts A machine for drilling oil-holes in crankshafts and the corresponding procedure. It can be used to drill one, two or more crankshafts per cycle. Each crankshaft can revolve on its own axis. The unit described is mounted on a horizontally-faced rotary tabl... | 03/20/2001 |
| 5882158 | Drive assembly The invention concerns a drive assembly for relative movement of two components of a machine tool with a drive motor and a gear arrangement with two gear trains that can be put under tension relative to each other and have output gears that mesh with oppo... | 03/16/1999 |
| 5857251 | Machine for machining sheet-like articles The machine for the machining of sheet-like articles (12) has a toolholder (90) fitted with a milling cutter (92). Said toolholder can be positioned in the direction of the arrow (x). The clamping device (10) capable of being moved in and counter to the d... | 01/12/1999 |
| 5678291 | Machine tool A machine tool more particularly for drilling and milling, possesses a machine bed, on which a power driven longitudinal slide is adapted to run horizontally on rails. A machining head having a rotary drive device for at least one table forming part of sa... | 10/21/1997 |
| 5669867 | Machine tool A machine tool for multiaxial machining of a workpiece in a chuck. Both horizontal and vertical motion are provided. Even greater efficiency can be achieved by properly positioning tool magazines and providing at least two work stations in adjacent relati... | 09/23/1997 |
| 5172464 | Machine tool A machine tool comprises: (a) a tool (22); (b) a body (2); (c) a tool supporting means (10) for supporting the tool (22) provided relative to the body (2); (d) a means (4) for supporting a pallet (P) for setting a work (W), the support means (36, 35) bein... | 12/22/1992 |
| 4940067 | Joining apparatus for cutting work pieces Apparatus for cutting biscuit joints can be quickly and easily mounted onto a conventional router table. The apparatus cuts mitered and compound mitered biscuit joints and it includes a work piece support surface which can be angularly adjusted with respe... | 07/10/1990 |
| 4802801 | Worktable support for machine tool A typical machine tool utilizes a horizontally disposed, elongated, substantially planar worktable which is supported by a knee between the ends of the worktable. When a workpiece is placed on the worktable and the worktable is moved relative to the knee ... | 02/07/1989 |
| 4726576 | Work supporting device A work supporting device for secondary treatment of workpieces by hand has a base which is affixed to a bench and defines a vertical pivot axis for a support serving to mount a chuck carrier for rotation about a first horizontal axis. The chuck in the car... | 02/23/1988 |
| 4712282 | Machine tool The machine tool comprises, mounted by journals (7,7) between two strong uprights (1,2), a cradle (6) which pivots about a pivot axis and carries a plate (15) which may be driven in rotation, and a general slide (3) mounted on the uprights and supporting ... | 12/15/1987 |
| 4705438 | Machining center having an inclinable vacuum-holding worktable A material machining center for the machining of workpieces of varying size and of various materials has a worktable supported by a base assembly. The worktable has a vacuum table for immovably holding the workpiece during the machining thereof. The machi... | 11/10/1987 |
| 4664570 | Method of operating a numerically controlled machine tool having a worktable capable of rotation about two intersecting axes A method of working on a sloping surface of work is disclosed by means of a numerically controlled machine tool comprising a cutting tool carried by a spindle movable along three orthogonal axes, and a worktable rotatable both about its own axis and about... | 05/12/1987 |
| 4637107 | Machining machine The universal machine-tool for carrying machining operations comprises, mounted between two uprights, a cradle pivoting about an axis and carrying the table, susceptible of being rotatingly driven whereas a general slider enables to bring closer to the pa... | 01/20/1987 |
| 4629378 | Meltable matrix chucking machining center and process using An integrated factory system affords precision machining and inspection of aircraft turbine blades, as well as other metal parts having two generally opposite principal surfaces. It uses only two stages of chucking by the meltable matrix method. After emb... | 12/16/1986 |
| 4460297 | Orbital method and apparatus for making helical races Cutting apparatus forms helical races in a workpiece defining a toroidal envelope having an axis of symmetry and a circular axis perpendicular to the axis of symmetry and defining a diametric plane through the envelope by rotating the workpiece about the ... | 07/17/1984 |
| 4369958 | Rotating table positioning device with minimum backlash A motor-driven rotating table positioning device has a bullgear engaged by two pinions each driven by the high-efficiency worm and gear set. These two worm and gear sets are connected by a coupling shaft and an adjustable coupling which allows a desired t... | 01/25/1983 |
| 4262454 | Workpiece rotational speed controller for cam grinding machine A workpiece rotational speed controller having a pulse counter responsive to a pulse signal generated from a pulse generator for indicating the actual angular position of a cam shaft during grinding on a cam grinding machine and a comparator for comparing... | 04/21/1981 |