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| Number | Title | Issue Date |
| 8037785 | Index apparatus for NC machine tool A push-bar indexing device that, when an index table is rotated by a specific angle, the table is accurately stopped to accurately index a workpiece. Each time a push bar is moved, a stopper is moved to a predetermined position by excessive relative movement between... | 10/18/2011 |
| 8028605 | Circular dividing table for machine tool A circular dividing table includes a brake assembly, in which the piston return spring urges the annular piston with the bottom face of its annular groove. The piston retracts backward and the floating pad return plate contacts the bracket extending inward within th... | 10/04/2011 |
| 7946196 | Rotary ring transfer system Rotation and positioning of a rotary index table supported from a base is effected using a cam supported from a conveyor and cam follower lock, with the conveyor and cam follower lock being mounted on a carriage set for radial movement on the base inwardly and outwa... | 05/24/2011 |
| 7942080 | Index table assembly An index table assembly includes a rotary table, a frame separated from the rotary table in the direction of a rotational axis of the rotary table, a clamping device for bringing the rotary table into contact with the frame by moving the rotary table along the rotat... | 05/17/2011 |
| 7793567 | Clamping device and rotary table apparatus A clamping device for clamping a rotatably supported shaft, is provided with a thin-walled sleeve arranged such that a gap is provided along a circumferential direction of the shaft. The clamping device clamps the shaft by deforming the thin-walled sleeve towards th... | 09/14/2010 |
| 7640830 | Locking adjustment turret A locking adjustment turret for rifle scopes includes a stationary portion mounted on an outer tube of the scope, a rotating adjustment portion supported in the stationary portion and including an adjustment knob such that rotation of the knob results in axial motio... | 01/05/2010 |
| 7490532 | Rotatably adjustable apparatus for locating a workpiece A rotatably adjustable apparatus for locating geometric references on a workpiece. The present invention provides a housing having a linear actuator for actuating a locating member between an extended position, wherein the locating member engages the workpiece, and ... | 02/17/2009 |
| 7437811 | Structure of a dual disc type of tool turret device of a machine A dual disc type of tool turret device is powered by means of single main power source, which also serves to power the spindle of the machine; the turret device includes an inner and outer tool turrets; when power is transmitted from the main power source through a ... | 10/21/2008 |
| 7418889 | Index table assembly An index table assembly includes a rotary table, a frame separated from the rotary table in the direction of a rotational axis of the rotary table, a clamping device for bringing the rotary table into contact with the frame by moving the rotary table along the rotat... | 09/02/2008 |
| 7305745 | Method and device for controlling tool selecting operation of turret tool post A method of optimizing the tool selecting operation of a turret according to the contents of a machining program in a turret tool rest allowing a rotating tool to be fitted thereto, including a step (101) for determining whether the rotating tool is contained... | 12/11/2007 |
| 7275460 | Rotary indexing machine for use in a group of treatment stations A rotary indexing device for use in a group of treatment stations, includes at least one respective tensioning device for exchangeable tool holders disposed in a treatment zone. The rotary indexing machine has a rotary indexing unit with a lift-and-turn device on wh... | 10/02/2007 |
| 7263915 | Structure of a twin disc type tool turret device of a machine A turret includes a central shaft, a piston sleeve positioned around the central shaft and having moving sticks thereon, a push rod, an actuating seat, and internal and external turrets; the piston sleeve is left and right movable by a power source; the moving stick... | 09/04/2007 |
| 7201546 | Machine tool and method for computing attachment position of balancer in machine tool When a rotary table rotates, a main control section of a multi-tasking machine detects vibration of the rotary table on which a workpiece is mounted based on fluctuation of a position droop computed by a servo system. The main control section computes the arrangemen... | 04/10/2007 |
| 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 |
| 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 |
| 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 |
| 7108155 | Metering drum for an automatic accumulation system A method and apparatus (20) for accumulating articles (28) can include a dispensing of the articles with a rotating, metering drum (40) for movement to a first conveyor (50). The metering drum (40) has an entry end (86) and ... | 09/19/2006 |
| 7077030 | Rotational indexing device for a machine tool A machine tool rotational indexing device is provided that is capable of avoiding or restraining the reduction in the preload force of any of rolling element rows or restraining the reduction in the support rigidity of the rotary-side coupling even if the preload is... | 07/18/2006 |
| 7066063 | Power transmission mechanism for a turret of a lathe A turret of a lathe has a power transmission that is used for moving a tool Disk secured on a shaft to a secured position where the disk is engaged with a clutch. The transmission includes a piston, and a force multiplier unit, which includes a ring, a sleeve secure... | 06/27/2006 |
| 7010839 | Structure of a twin disc type tool turret mechanism for CNC machines A tool turret mechanism includes internal and external tool turrets, a toothed ring secured to the internal tool turret, a central shaft secured to the external turret, a power switch, and a clutch; the central shaft has a piston fitted thereto; the power switch is ... | 03/14/2006 |
| 6964213 | Low power, high torque actuator retention A smart actuator and method includes an actuating device adapted to deliver a selected driving torque to a geartrain that is coupled to an output shaft and adapted to selectively convey the driving torque from the actuating device to the output shaft to achieve a se... | 11/15/2005 |
| 6948720 | Computer controlled positioning table A computer controlled positioning table for use in automatically rotating a large diameter article into which an evenly spaced circle of bolt holes are to be drilled. The article to be drilled is centered and clamped onto a table top of the table and then the comput... | 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 |
| 6843152 | Rotary indexing positioning system A positioning system for controlling the rotation of a shaft or other member through a defined angular increment. The system includes a rotor which may be coupled in torque transmitting communication with the shaft, and a an indexing assembly for driving the rotor. ... | 01/18/2005 |
| 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 |
| 6813822 | Rotary indexing machine A rotary indexing machine (10) has a fixed machine frame, which is designed for holding a multiplicity of machining units (66) and comprises at least one support (70) Furthermore, the rotary indexing machine (10) has rotary table (40 | 11/09/2004 |
| 6722005 | Turret A turret includes a housing connected to a machine tool, a rotatably mounted toolholder for mounting of machining tools, and an electric drive for rotating the toolholder into a particular working station for the machining tools. The electric drive has a rotor and a... | 04/20/2004 |
| 6704983 | Turret type tool post A turret type tool post 1 includes a tool post body 10, a turret 11, a first drive shaft 14, an indexing drive mechanism 20 having a third drive shaft 21, a tool rotation drive mechanism 30 having a second drive shaft... | 03/16/2004 |
| 6672696 | Automatic printhead-to-media spacing adjustment system An inkjet printer service station has a movable member that interacts with another printer subsystem, which is changeable between a first state and a second state. To vary the printhead-to-media spacing to accommodate different thickness of media, such as... | 01/06/2004 |
| 6669416 | Driving head for the numerically controlled setting movements of a tool spindle or workpiece table around at least one axis of rotation A driving head for the numerically controlled setting movements of a tool spindle or workpiece table around at least one axis of rotation. The basic structure of the driving head comprises a housing (1, 1') and at least one multi-pole external rotor motor... | 12/30/2003 |
| 6640404 | Three piece coupling arrangement for a turret indexing mechanism for a machine tool assembly and an air bearing assembly for the same The present invention is directed to an indexing tool turret assembly and method for operating the same. The indexing tool turret assembly includes a tool turret assembly rotatably supported on the machine tool, an indexing assembly for selectively rotati... | 11/04/2003 |
| 6619895 | Machine spindle actuating indexing unit The invention relates to a workpiece support assembly including an indexing unit adapted for the automated adjustment of a workpiece being machined. The assembly includes a central support column having at least one indexing unit secured thereto. The inde... | 09/16/2003 |
| 6609441 | Indexing device A turret tool rest (14) includes a turret (24) movably supported on a base (22), on which desired tools can be mounted at predetermined indexable angled positions. A pair of coupling elements (66, 68), which can be engaged with each other, are arranged be... | 08/26/2003 |
| 6606894 | Transmission mechanism for spring winding machine A transmission mechanism used in a spring winding machine is constructed to include a rotary table, the rotary table having an eccentric main shaft protruded over first and second sides thereof. A wire feeding box having an intermediate gear, a transfer c... | 08/19/2003 |
| 6510770 | Wood-turning lathe A wood-turning lathe includes a driven shaft mounted with a pulley unit having a plurality of angularly spaced retaining holes, a spring-biased pin and a cam member associated with both the pin and the pulley unit. When the cam member is moved to a lockin... | 01/28/2003 |
| 6502835 | Collet holder with rotation mechanism and method A work piece holder with clamping and rotation mechanisms in a support. A holder or brake exists next to a collet and sleeve assembly to restrain the assembly from rotating. Hydraulic pumps and connections operate on the mechanisms for the clamping and ro... | 01/07/2003 |
| 6497020 | Tool support and tool assembly for tool holders of rotationally driven tools In order to improve a tool support for tool holders of rotationally driven tools which can be driven via a gear wheel arranged on one side of the tool holder and mounted for rotation about a gear wheel axis, comprising a receiving means provided on the to... | 12/24/2002 |
| 6455798 | Index apparatus A machining center includes a spindle, a main table and an NC device for making a machining relative movement between the spindle and the main table. An index apparatus includes a housing mounted on the main table. An index table is supported on the housi... | 09/24/2002 |
| 6439083 | Universal spring tool A tool or device is comprised of a generally cylindrical plunger that is retained in a generally cylindrical body. A spring fits inside the body to spring-load the plunger by means of a jam nut or other tensioning device. The plunger has tapped mounting h... | 08/27/2002 |
| 6427554 | Axial displacement mechanism An axial displacement mechanism for precisely adjusting the axial displacement of a turret plate relative to a turret table is disclosed. Turret tables are commonly used to support a workpiece such as the hollow tubular section of a tin box immediately pr... | 08/06/2002 |
