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| Number | Title | Issue Date |
| 8006359 | Machine tool for processing tooth formations of workpieces A machine tool for processing tooth formations of workpieces, includes a rotary holder which can be rotated about a main axis A, two workpiece spindles which are arranged on the rotary holder, with the workpiece spindles having spindle axes (Sa, Sb | 08/30/2011 |
| 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 |
| 7346969 | Machining method using multiple workpiece mounting device for manufacturing structures A machining method for manufacturing structures includes a preprocessing step (11), a clamping step (13), a machining step (15) and an extracting step (19), which are performed in that order. The preprocessing step is performed to get wor... | 03/25/2008 |
| 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 |
| 7290316 | Automatic screw machine with multi-axis drive control The disclosed embodiments are directed to an improved automatic screw machine employing a first servomotor connected to cause rotation of a first set of tooling cams independently of the operation of a spindle drive, and a second servomotor to cause rotation of a se... | 11/06/2007 |
| 7228771 | Automatic screw machine with multi-axis drive control The disclosed embodiments are directed to an improved automatic screw machine employing a first servomotor connected to cause rotation of a first set of tooling cams independently of the operation of a spindle drive, and a second servomotor to cause rotation of a se... | 06/12/2007 |
| 7179157 | Bench grinder The present invention discloses a workshop unit for use as a grinding center that includes a support frame having a drive motor and a multi-station tool mounted thereto. Particularly, the grinding center may be used for operations including but not limited to grindi... | 02/20/2007 |
| 7154243 | Rotary indexing table The invention relates to a rotary indexing table comprising a stationary base unit and a plate rotatably supported thereon and drivable relative to the base unit by means of a drive, in which the drive is formed by a plurality of individual drive elements arranged i... | 12/26/2006 |
| 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 |
| 7143665 | Mechanical-hydraulic control device for controlling the locking and unlocking movements of rotary disk in a rotary disc table workpiece processing apparatus An improved mechanical-hydraulic device for controlling the locking and unlocking movements of a rotary disk—ring gear system comprises a mechanical screw and screw-nut assembly for driving the disk between a locking position, and an unlocking position, and a coop... | 12/05/2006 |
| 7134369 | Pick-off attachment for a multi-spindle machine A multi-spindle machine system includes a pick-off attachment. The pick-off attachment enables a more compact and stronger pick-off spindle. The shorter pick-off spindle is able to pick off longer work pieces. High speed bearings and oil lubrication enable the pick-... | 11/14/2006 |
| 7117066 | Computer controlled cup forming machine A computer controlled cup forming machine is provided. The computer controlled cup forming machine has a main motor, a main controller, and a plurality of workstations having individual motors electrically connected to the main motor and the main controller. The mai... | 10/03/2006 |
| 7099719 | Output cam system and method In accordance with a first preferred embodiment, a control method comprises monitoring a position of a motion control axis and controlling an output device responsive to the position of the motion control axis. The controlling step further includes latching a cam el... | 08/29/2006 |
| 7024740 | Rotating table apparatus A rotating table apparatus using a cam mechanism and having a higher precision than a conventional rotating table is realized. A rotating table apparatus having a driven shaft supported by a housing and driven by a driving device, and a rotating table which is rotat... | 04/11/2006 |
| 6976646 | Method and apparatus for grinding rubber A rubber grinding machine and method is provided for ambient temperature grinding of rubber material to form finely ground rubber particles. The rubber grinding machine includes a feed tube, a grinding module, a conveyor, a screening module and a vacuum system. Rubb... | 12/20/2005 |
| 6964215 | Rotary positioning multi-faced tooling fixture and associated methods A tooling fixture for rotatably positioning a plurality of workpieces includes a base and a housing carried by the base. A plurality of workpiece spindles are carried by the housing. The tooling fixture also includes a spindle drive assembly for rotatably positionin... | 11/15/2005 |
| 6871389 | Workpiece feeder for a cutting metal-working machine or the like A workpiece feeder adapted to feed workpieces to the processing main shaft of a cutting metal-working machine individually is disclosed to include a frame base adapted to carry individual workpieces, a conveyer, two striking blocks fixedly fastened to the conveyer, ... | 03/29/2005 |
| 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 |
| 6862786 | Rotating table apparatus A rotating table apparatus using a cam mechanism and having a higher precision than a conventional rotating table is realized. A rotating table apparatus having a driven shaft supported by a housing and driven by a driving means, and a rotating table which is rotati... | 03/08/2005 |
| 6666109 | Indexing apparatus and method of assembling the same A worm shaft having a worm thereon, a worm wheel meshed with the worm, and a motor for driving the worm shaft are provided. The worm shaft and a shaft of the motor are connected together directly without interposing a rotation transmission mechanism, such... | 12/23/2003 |
| 6629345 | Chucking device A chucking device, in particular for workpieces that are to be machined on more than one side, has a workpiece carrier with at least one turret, arranged to receive workpieces, that is supported rotatably about an axis of rotation on the workpiece carrier... | 10/07/2003 |
| 6421895 | Machine tool with servo drive mechanism A machine tool has a cam shaft and indexing drive mechanism which is driven by a servomotor and is therefore adapted for operation within a wide range of operational parameters. An encoder mechanism provides feedback to the servo drive mechanism to effect... | 07/23/2002 |
| 6401324 | Machine tool assembly and method of performing machining operations using the machine tool assembly The combination of at least a first base, a first machine tool assembly placed in an operative position on the at least first base, and a second machine tool assembly placed in an operative position on the at least first base above the first machine tool ... | 06/11/2002 |
| 6263553 | Machine tool with servo drive mechanism A machine tool has a cam shaft and indexing drive mechanism which is driven by a servomotor and is therefore adapted for operation within a wide range of operational parameters. An encoder mechanism provides feedback to the servo drive mechanism to effect... | 07/24/2001 |
| 6249944 | Apparatus for machining a workpiece A multi-head machine tool for machining a workpiece into an article has a head that holds a workpiece and that rotates the workpiece. A multi-head tool attachment is capable of machining a plurality of working sites on the workpiece during rotation of the... | 06/26/2001 |
| 6219895 | Machine tool with servo drive mechanism A machine tool has a cam shaft and indexing drive mechanism which is driven by a servomotor and is therefore adapted for operation within a wide range of operational parameters. An encoder mechanism provides feedback to the servo drive mechanism to effect... | 04/24/2001 |
| 6185802 | Multiple clamping device for work pieces on a carrier An elongated and cross-section polygonal work piece carrier (1) has at least two clamping surfaces (2) extending parallel to its longitudinal axis (3). It is retained in bearing (5, 9) at least at one end, to be rotatable about its longitudinal axis over ... | 02/13/2001 |
| 6119330 | Fully automatic cutting metal-working machine A fully automatic cutting metal-working machine, which includes a material feed unit, a cutting metal-working main unit controlled to process metal rod material delivered from the material feed unit into finished products, and a waste material conveyer co... | 09/19/2000 |
| 5904082 | Multiple-spindle turning machine In order to improve a multiple-spindle turning machine, comprising a machine frame, a cylinder rotatable around an essentially horizontal rotational axis relative to the machine frame, work piece spindles arranged on the cylinder in respective individual ... | 05/18/1999 |
| 5826318 | Fast feeder unit for an automatic machine for machining the cylindrical surface of bottle closure caps A fast feeder unit for an automatic machine for machining the cylindrical surface of bottle closure caps, including a feeder carousel, which is provided with devices for supporting and rotationally actuating it coaxially and in step with the carousel of t... | 10/27/1998 |
| 5815902 | Rotary transfer machine The rotary transfer machine for machining a workpiece using fixed-cycle control has a centrally disposed rotary indexing table which is driven according to a fixed cycle, can rotate about a vertical axis and at the outer circumference of which a plurality... | 10/06/1998 |
| 5808893 | System for adapting an automatic screw machine to achieve computer numeric control A system for adapting existing conventional screw machines to be capable of computer numerical control operation. The system incorporates the use of a VersaCam device which replaces the turret cam of a single spindle screw machine. The VersaCam system mon... | 09/15/1998 |
| 5720088 | Transfer machine tools with rotary tables In a transfer machine tool with a rotary table, the machining units with horizontal axes are arranged in orientations which do not coincide with the radii of the rotary table and the workpieces being machined are mounted on piece-holder plates which are f... | 02/24/1998 |
| 5661883 | Machine tool having revolvable spindles A machine tool comprises at least one revolvable spindle having an end for supporting a work piece, a first processing tool disposed opposite to the end of the spindle for processing the work piece, a second processing tool disposed parallel to the first ... | 09/02/1997 |
| 5452502 | Turret-type machine tool A turret-type machine tool has a workpiece support that can be indexed incrementally by a step-drive and is locked to be stationary in angular positions corresponding to individual machining stations. In the individual machining stations, machining units ... | 09/26/1995 |
| 5421072 | Machining carousel A device for machining a plurality of workpieces. The device having a plurality of identical independent machining assemblies attached on a rotating carousel plate such that one operator can unload and load a workpiece at one machining assembly while the ... | 06/06/1995 |
| 5349889 | Lathe A slide (4) made up of a table (8) and a base (11) is actuated radially relative to a workpiece (M) to be machined via a stud (17) adjustable in a slot (16). The position of the stud can be regulated by means of a screw and a motor. A roller (24) borne by... | 09/27/1994 |
| 5261148 | Rotary vice for rotary table The present invention relates to a rotary vice construction which can be specifically applied on the rotary table of a transfer machining apparatus, which vice comprises a first and second bodies, opposite to one another and forming a vice assembly adapte... | 11/16/1993 |
| 5193422 | Multispindle automatic lathe A multispindle automatic lathe has a main shaft drive motor (M3) for driving spindles (13) via a driving power transmission system (2a, 12, 14, 15, 20, 21, 22, 27, 28, 31), a feed and index driving motor (M2) operating a low and high speeds in timed seque... | 03/16/1993 |
| 5176052 | Multi spindle automatic lathe A multi-spindle automatic lathe (11) includes a spindle carrier (12) mounted freely rotatable in an indexing fashion relative to a head stock (13), a plurality of workpieces (W) supported in spindles (14) on the head stock and freely rotatably driven on t... | 01/05/1993 |
