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| Number | Title | Issue Date |
| 8161852 | Rotary centering device for the guided transfer of bars from a feeder to a lathe A rotary centering device for the transfer of a bar from the guiding channel of a feeder to a lathe, comprising a supporting element and provided with at least one circular seat in which a grip element for a bar is supported, the grip element being constituted by a ... | 04/24/2012 |
| 8051755 | Bar feeder, feed rod vibration prevention support of material feeder and vibration stopper of material feeder A feed rod vibration prevention support of a material feeder includes a guide device for guiding a feed rod moving to feed a material to a working machine, and a vibration attenuation mechanism for preventing the feed rod from being vibrated. The guide device furthe... | 11/08/2011 |
| 7520200 | Bar feeder and bar machining system Disclosed is a bar feeder, which comprises a swing member designed to be swingably moved by a rotation shaft located above a guide rail. In normal mode, the swing member is kept in a standby in the vicinity of an upper position where the swing member is located to e... | 04/21/2009 |
| 7343839 | Bar feeder A bar feeder includes a feeder tube mounted on a machine base, a transmission mechanism, a driving mechanism having a rotary shaft, a projecting rod connected to the driving mechanism and rotatable with the rotary shaft to engage or disengage from the transmission m... | 03/18/2008 |
| 7337644 | Assembled workstation A workstation has a base, a conveying device, a driving assembly and a working device. The base is composed of multiple supporting frames. The conveying device is mounted on the base and has a rail, a moving base, a motor, a pushing rod and two rotating rods. The ro... | 03/04/2008 |
| 7331093 | Pieces hold-unit for workstations, transfer machines and like A pieces hold-unit for machine tools such as workstations, transfer machines and milling machines is provided which comprises two parallel supports (12, 13) placed on a plane with at least a first of said support guided, controlled and movable with respect to... | 02/19/2008 |
| 7302877 | Automatic lathe-loader provided with linear sensors of the position of the bar-pusher and automatic lathe including said loader An automatic bar-loader for lathes including a channel for feeding of a bar to the lathe mandrel and a bar-pusher powered by an electric motor controlled by a control unit and having a head collet for grasping the tail of a bar in the channel to make it run therein.... | 12/04/2007 |
| 7237309 | Milling machine for longitudinal profiled elements The present invention relates to a machine intended for the machining of profiled elements (10), of the type comprising a longitudinal frame (1) provided with holding dollies (11, 13) for holding the profiled element to be machined (10). ... | 07/03/2007 |
| 7204004 | Machine tool To provide a machine tool in which a workpiece can be delivered to/from a first and a second spindle headstock without any increase in front/back direction dimension of a machine main body. A second spindle headstock 4 is capable of moving to a position for w... | 04/17/2007 |
| 7198440 | Workpiece loading apparatus for machine tool Method and apparatus for positioning a workpiece in a spindle of a machine tool and/or removing a workpiece from the spindle. The machine spindle includes an axis of rotation and the workpiece includes a centerline extending between a first end surface and a second ... | 04/03/2007 |
| 7198452 | Bar stock loading table and apparatus A bar stock loader for an elongate member and a method for use is includes a support apparatus with a support surface for supporting the elongate member and a translation apparatus proximate to the support apparatus. The translation apparatus is moveable and has an ... | 04/03/2007 |
| 7159495 | Bar magazine for lathes with bar centering means in the magazine channel A bar magazine for lathes includes at least one channel designed to receive a bar being machined and pushed along the channel by a bar-pusher collet. The magazine includes at least one bar centering member arranged in a zone along the channel. The bar centering memb... | 01/09/2007 |
| 7124667 | Apparatus for the control of two separate mechanisms for translational movement of the same bar Apparatus for the control of two translational movement mechanisms of a bar, including a first translational movement mechanism (6) situated in a machine tool (4) for turning, and a second translational movement mechanism (18) situated in an ins... | 10/24/2006 |
| 7124880 | Feeding device with a pivotable pushing member A feeding device includes a rail with a feeding unit and a pushing unit located on two sides of the rail. The feeding unit has a transverse member on which the cylindrical pieces are located and a pivotable arm pivotably connected to the transverse member to push th... | 10/24/2006 |
| 7084381 | Method and apparatus for controlling part movement There is disclosed herein an apparatus and a method in which a workpiece is loaded into the apparatus and the apparatus then moves and positions the workpiece in a multitude of directions based upon the directions and controls supplied to the apparatus through eithe... | 08/01/2006 |
| 7080433 | Workpiece seat for bar-shaped workpieces A workpiece seat for the machining of bar-shaped workpieces by milling and turning. The workpiece seat has an elongated housing, a spindle rotatably supported in the housing, and an electric direct drive for the spindle. The drive rotor is fixed on the spindle and t... | 07/25/2006 |
| 7066064 | Method and apparatus for vibration dampening of barfeeders A barstock bar feeder with a guide channel for encasing a barstock in a electro- or magneto-rheological hydrostatic oil bearing. Electro- or magneto-field generators are provided along the guide channel for selectively applying a field to the guide channel for chang... | 06/27/2006 |
| 7040133 | Transmission device for a tube bending machine A transmission device for a tube bending machine include a first power means and a second power means mounted on the sliding seat to drive the sliding seat as well as a workpiece securely connected to the sliding seat to move. The second means has a second motor alt... | 05/09/2006 |
| 7024974 | Vertical machine tool with a movable main spindle A vertical lathe is provided with a base, a main spindle, a headstock, a tool rest and a splash guard. The headstock is movable in a Z-axis direction and an X-axis direction and grips a bar workpiece by a chuck. The bar workpiece is machined by moving the headstock ... | 04/11/2006 |
| 6978706 | Machine tool spindle liners and methods for making same A spindle liner for a turning machine has an elongated polymeric member sized to fit within the inner diameter of a spindle and further has a bore through the polymeric member sized and shaped to receive a given size bar stock. The spindle liner may be installed wit... | 12/27/2005 |
| 6938527 | Material stock advancing apparatus and method A material stock advancing apparatus for use with a turning and milling machine having a computerized numeric controller or lacking programmable capabilities. The material stock advancing apparatus generally comprising an elongate body of cylindrical form having fir... | 09/06/2005 |
| 6901831 | Support fixture In a fixture for supporting a workpiece in a machine tool by means of two support elements held in a housing with the workpiece lying on them, the support elements are configured as levers held in a rotating mounting in the housing, the levers being driveably connec... | 06/07/2005 |
| 6832534 | Method and apparatus for withdrawing bar stock from a bar stock feeder A method of processing a piece of bar stock material having spaced ends and a predetermined diameter and including the steps of: attaching an adaptor to one end of the piece; directing the piece into a feeder sleeve bounding an internal passageway; moving the piece ... | 12/21/2004 |
| 6758118 | Bar feeder provided with bar facing device A bar feeder for feeding an automatic lathe, comprising a bar magazine and a guide supplied by the magazine, a facing device being associated with the end of the magazine that lies opposite to the end that is adjacent to the lathe and being suitable to machine the r... | 07/06/2004 |
| 6758650 | Bar guiding device in a feeder for feeding machine tools A bar guiding device in a feeder for feeding a machine tool, composed of two elements that have respective slots and can move with respect to each other between an open position, which allows insertion of a bar between them, and a mutually adjacent position, at whic... | 07/06/2004 |
| 6699583 | Lathing method and apparatus, round bar, lathing stock, and lathed product To provide a lathing method and apparatus capable of realizing lathing of a bar member made of a hard cutting material and lathing a stock made of a hard cutting material by a lathe including an NC automatic lathe, although lathing of the hard cutting mat... | 03/02/2004 |
| 6675451 | Machine tool and method of using the machine tool A method of processing a workpiece including the steps of: placing a first preform element in a first operative position on a first holder so that a first portion of the first preform element is exposed; performing a processing operation on the first port... | 01/13/2004 |
| 6666119 | Sequential loading apparatus An apparatus for sequential loading, by means of a pusher, of bars in a rotating spindle of a machine tool, this loading apparatus comprising a device for alignment of an end of each loaded bar, on the axis of the spindle of the machine tool, the said ali... | 12/23/2003 |
| 6665579 | Control method for bar material feeder of NC lathe and NC lathe Provided is a method of controlling a bar supplying apparatus capable of automatically setting a timing of opening a run-out preventing chuck, a timing of cutting a bar short, and a timing of replacing the bar by the minimum input work. A controller 115 o... | 12/16/2003 |
| 6637306 | Lathe assembly and method of operating the lathe assembly A lathe assembly having a guide with a passageway for movement of a piece of bar stock, with a leading end and a trailing end, in a substantially straight path between a feeding position and a working position. A sensor assembly is capable of detecting th... | 10/28/2003 |
| 6634263 | Unibody lathe spindle liner The present invention provides a method and article involving a one-piece, unibody spindle liner having a tubular shape with an outside diameter and inside diameter that may be sized to fit virtually any spindle of a turning machine and to readily allow f... | 10/21/2003 |
| 6575063 | Bar material supporting device for automatic lathe The bar supporting apparatus (10) relates to an apparatus which is installed to be continuous to the main spindle (50) of the automatic lathe at the rear thereof and prevents the rotating bar (17) held by the chuck (51) of the main spindle (50) of the aut... | 06/10/2003 |
| 6557443 | Bar feeder for machining center A bar stock feeder and support mechanism for an automated machining center having a control system and a method for operation thereof. A work positioning structure is removably mounted to a work support and positioning table of an automated machining cent... | 05/06/2003 |
| 6446533 | Lathe assembly and method of using a lathe assembly A lathe assembly having a guide with a passageway for movement of a piece of bar stock, with a leading end and a trailing end, in a substantially straight path between a feeding position and a working position. A sensor assembly is capable of detecting th... | 09/10/2002 |
| 6357324 | Workpiece machining process and a numerically controlled lathe A number of annular or short tubular elements are obtained from an elongate tube having a length calculated as a multiple of the length of the elements. A tube is automatically transferred into a chuck of a twin-spindle lathe to turn the inner bore of an ... | 03/19/2002 |
| 6302005 | Pneumatic bar feeding apparatus for automatically feeding a plurality of bar stocks to a lathe or the like device An automatic pneumatic bar feeding apparatus for automatically feeding a plurality of bar stocks to a work station, such as a computer numerical control (CNC) machine for processing, thereby eliminating the need to reload the bar feeding apparatus with an... | 10/16/2001 |
| 6302003 | Method and apparatus for feeding shaped bar stock A bar stock loader (10) having a synchronizing head (16) for matching the flats of a fresh length of bar stock (14) with the flats of a remnent of bar stock (14') being machined in an automatic screw machine (12). The synchronizing head (16) has a selecti... | 10/16/2001 |
| 6276245 | Bar work loading apparatus for head traveling type vertical machine tool and bar work loading method for use in head traveling type vertical machine tool A bar work loading apparatus for loading a bar work into a head traveling type vertical machine tool. The machine tool has a headstock rotatably supporting an approximately vertical main spindle and movable in the direction of the axis of the main spindle... | 08/21/2001 |
| 6272955 | Feeder of short rods for a machine tool The feeder for short rods of a diameter of between 6 and 120 mm for a machine such as a turning lathe or an automatic lathe comprises a rod loading device having elements for holding a plurality of rods on an inclined plane and loading slides, a device fo... | 08/14/2001 |
| 6257817 | Pneumatic bar feeding apparatus for feeding a length of bar stock to a lathe or the like A pneumatic bar feeding apparatus for advancing a length of bar stock to a CNC center machine for processing and including a pair of concentric tubular members which are housed in a housing supported by a pair of vertical spaced apart support stands. The ... | 07/10/2001 |
