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| Number | Title | Issue Date |
| 7954403 | Workpiece carry-in/out device for composite working lathe The invention provides a device for automatically carrying in and out a workpiece cooperating with a tool spindle stock of a composite working lathe. The composite working lathe comprises a main spindle 10, a workpiece handling device 20 and a tool spi... | 06/07/2011 |
| 7272881 | Production installation A production installation comprises a loading transport means with a transport rail connecting processing machines. It also comprises workpiece grippers for supplying the processing machines with workpieces to be processed and for removing processed workpieces from ... | 09/25/2007 |
| 7101920 | Water-soluble blocking wax formulation The invention provides, in a first embodiment, a blocking wax composition. The blocking wax comprises from about 50 to about 90 weight percent of a water-soluble continuous phase and from about 10 to about 50 weight percent of a discontinuous solid phase filler that... | 09/05/2006 |
| 7013543 | Vertical machining center In a vertical machining center, a spindle head is movable in three mutually transverse axes directions relative to a workpiece and a table is arranged below. A vertical stocker is disposed in the vicinity of a machining area and stocks the bar workpiece in a vertica... | 03/21/2006 |
| 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 |
| 6694849 | Lathe A lathe (10) includes a support structure (12) which supports a magazine (14) in a substantially vertical operative orientation. The magazine (14) is rotatably supported in a carriage (24). The magazine (14) is a multi-spindle magazine and supports a plur... | 02/24/2004 |
| 6311592 | Loader for sprocket wheels and method to automatically position double-toothing sprocket wheels using the loader A sprocket wheel or double helical gear loader for a machine which generates gears by pinion shaped cutters. The machine includes a gear bearing table having a centering device and a rotatable supporting base. The loader includes a turntable which advance... | 11/06/2001 |
| 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 |
| 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 |
| 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 |
| 6202523 | Air operated loading and unloading device A device for effecting at least one of a loading and unloading operation of a workpiece with respect to a machine tool. The device includes a base adapted to be mounted adjacent the machine tool and a tubular member. The tubular member includes an inner c... | 03/20/2001 |
| 6199461 | Automatic bar feeding device, especially for CNC lathes The automatic bar feeder device comprises a loading device that loads or unloads a bar from a hopper while avoiding shock exerted by the bar against an element of the magazine bar feed, the bar to be treated being seized by claws (42) which transport the ... | 03/13/2001 |
| 6182543 | Bar loader A bar loder, includes a guide rail for feeding a bar to a bar machining apparatus. The guide rail extends straight toward the bar machining apparatus and has an opening for receiving a new bar. The opening is oriented upwardly and extends longitudinally a... | 02/06/2001 |
| 6055892 | Work feeder for a vertical machine tool with movable spindle A vertical machine tool with a movable main spindle has a headstock for supporting a spindle having an axis in a vertical direction. A work feeder gives and takes a work between the work feeder and a chuck. The work feeder includes a work feeder frame pro... | 05/02/2000 |
| 5988960 | Holder for plurality of workpieces A CNC machine tool has a plurality of collet chucks in a fixture that requires loading workpieces in these collets by hand. The workpieces are first assembled on a loading bar or holder so they can be collectively loaded in the ganged collet chuck for mac... | 11/23/1999 |
| 5946993 | Unloading device An unloading device for removing a workpiece from a lathe having a spindle for holding the workpiece includes an unloading apparatus for receiving the workpiece configured to couple to the spindle. A pneumatic system is coupled to the unloading apparatus ... | 09/07/1999 |
| 5911804 | Method and apparatus for feeding shaped bar stock A bar stock loader having a synchronizing head for matching the flats of a fresh length of bar stock with the flats of a remnant segment of bar stock being machined in an automatic screw machine. The synchronizing head has a selectively engageable drive c... | 06/15/1999 |
| 5911803 | System and method for delivering elongate workpieces to a point of use A system for delivering elongate workpieces to a point of use. The delivering system has a first storage unit for a supply of a first type of elongate workpiece, a second storage unit for a supply of a second type of elongate workpiece, a pickup unit for ... | 06/15/1999 |
| 5901624 | Workpiece transfer apparatus An apparatus for transferring workpieces to and from the chuck of a machine tool. A gripper arm is mounted to the machine frame for selectively axial and rotational movement on a shaft having helical and longitudinal threads on the surface thereof. A firs... | 05/11/1999 |
| 5881617 | Bar feeder for multi-spindle lathes, with selective drive A bar feeding device for multi-spindle machine tools includes a rotating drum provided with a plurality of guides for the bars, which longitudinally extend in different angular positions on the outer surface of the drum. Bar pushing members slidingly mova... | 03/16/1999 |
| 5787771 | Method of and apparatus for workpiece loading and unloading in lathe In a lathe of a type employing a movable main spindle, the main spindle (2) is moved in a leftward and rightward direction (Y-axis direction) perpendicular to the longitudinal axis of the main spindle (2) after a workpiece (W) has been machined, and durin... | 08/04/1998 |
| 5782151 | Workpiece transfer apparatus An apparatus for transferring workpieces to and from the chuck of a machine tool. A gripper arm is mounted to the machine frame for selectively axial and rotational movement on a shaft having helical and longitudinal threads on the surface thereof. A firs... | 07/21/1998 |
| 5662014 | Automatic bar stock feeding apparatus for machine tools, in particular automatic lathes Automatic apparatus for the feeding of bar-shaped stock to a machine tool, comprising an elongated receiving box which extends in feed direction, has a guide passage open at both ends for receiving a new stock bar and is formed by two receiving channels, ... | 09/02/1997 |
| 5505584 | Air operated loading and unloading device A loading and unloading mechanism including a workpiece receiving and discharging chamber and pressurized air/vacuum source operatively connected to the chamber. The chamber is tubular and adapted to be connected to the spindle of a lathe in a coaxial rel... | 04/09/1996 |
| 5347896 | Automated collet loading for the manufacture of contact lenses An apparatus is provided for automatic, intermittent feed of workpieces into a lathe. The apparatus includes a collet having a side entry for receiving workpieces and a workpiece positioning aperture, in alignment with the lathe spindle, for finally posit... | 09/20/1994 |
| 5309368 | Workpiece handling mechanism of a C-N-C lathe machine The workpiece handling device includes a workpiece carrying arm and a workpiece support spaced from the lathe machine on which the workpiece carrying arm is pivotally provided. The workpiece carrying arm includes a gripping unit for holding the workpiece ... | 05/03/1994 |
| 5293794 | Turning and boring machine for rings A machine for simultaneously turning and boring a ring-shaped workpiece has a frame of four parallel structural shafts secured between end stands. An active spindle assembly is mounted on a carriage slidably mounted on the shafts. The carriage is hydrauli... | 03/15/1994 |
| 5174071 | Lathe and grinder apparatus with two or more side-by-side arranged manipulator-interfaced dual-spindle units The invention relates to a lathe and grinder apparatus for turning and/or grinding works and for any like machining thereof requiring spindles to be used, which comprises two dual-spindle units (T1, T2), that may be even more than two in number, arranged ... | 12/29/1992 |
| 5153973 | Work changer A machine tool includes a table (24) movable in a first direction and a second direction for supporting a work holder (H), a work storage magazine (3) for storing a plurality of work holders (H), and a work changer for transferring work holders (H) betwee... | 10/13/1992 |
| 5081889 | Workpiece machining system A workpiece machining system for simultaneously machining the opposite surfaces of workpieces such as discs for disc brakes includes at least two machining apparatus disposed on a workpiece transfer path between a first workpiece inlet conveyor line and a... | 01/21/1992 |
| 5027563 | Work transfer device of grinding machine A workpiece transfer device of a grinding machine is provided with an arm having a suction pad thereon for transferring ground workpieces. Since air is injected from the suction pad when the arm is in a standby position, coolant and grinding chips are not... | 07/02/1991 |
| 4947538 | Machine tool A machine tool has a table movable relative to a head for machining a workpiece mounted on the head by a tool mounted on the table. The table also supports a magazine for blank workpieces, and the table is movable between a first position in which the hea... | 08/14/1990 |
| 4936180 | Apparatus for machining workpieces, particularly flat circular disk-shaped substrates A lathe apparatus for machining flat, circular disk-shaped recording media, for example, audio, video or ROM compact disks, for the purpose of improving their surface quality and their dimensional stability is provided which comprises a driven lathe spind... | 06/26/1990 |
| 4929138 | Device for feeding rodlike workpieces In order to markedly reduce the necessary installation area for a device for feeding rodlike workpieces to a machine tool with at least one rod feed tube for a rodlike workpiece (15) to be processed, feedable from a magazine (16) into the rod feed tube, i... | 05/29/1990 |
| 4875396 | Apparatus for feeding bar stock to a machining operation A plurality of bar stock retaining sleeves control the bar stock fed therethrough to a machine center to prevent excessive vibration and end-whipping during a cutting and machining operation. A first retaining sleeve is positioned within the feed orifice ... | 10/24/1989 |
| 4872380 | Workpiece positioner for chuck and center machining A workpiece positioner usable with a lathe having a headstock rotatable about a lathe axis has a base adjacent the lathe and defining an upright base axis offset from the lathe axis, a gripper support pivotal on the base about the base axis and defining a... | 10/10/1989 |
| 4821402 | NC lathe with robot for automatically exchanging work and chuck claw An NC lathe with a robot for automatically exchanging works and chuck claws comprising a numerically controlled lathe having a rotatable chuck, a robot disposed in the vicinity of the numerically controlled lathe, and a feeder disposed in the vicinity of ... | 04/18/1989 |
| 4787280 | Apparatus for machining workpieces and method therefor During operation of an apparatus to machine a workpiece, an unfinished workpiece is gripped by a workpiece loader and unloader assembly at a conveyor station. The loader and unloader assembly moves the workpiece along the axis of a spindle assembly throug... | 11/29/1988 |
| 4782567 | Workpiece transferring, positioning and machining system A system for transferring, positioning and machining a workpiece includes a transfer device for transferring the workpiece to a prescribed position, a positioning device disposed in the prescribed position for positioning the workpiece, a machine tool for... | 11/08/1988 |
| 4741232 | Apparatus for use in machining workpieces An apparatus for use in machining a workpiece includes a housing (102) which is operable between a closed condition enclosing a chuck (101) and an open condition. When the housing (102) is in the open condition, an opening (117) extends across the top of ... | 05/03/1988 |
