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| Number | Title | Issue Date |
| 7322916 | Tool magazine device for vertical machining center The invention provides a tool magazine device for a vertical machining center having a protective cover for a shank. A tool magazine device 100 disposed in a vertical machining center comprises a chain 120 moved between sprocket wheels 130 and | 01/29/2008 |
| 7278198 | Mandrel segment loader A mandrel segment loader provides a reliable means of assembling the segments of a large multi-piece mandrel designed for the lay-up of composite materials in the manufacture of large structures such as one-piece fuselage barrels for wide-body aircraft and can also ... | 10/09/2007 |
| 7188431 | Method of and device for determination of penetration depth For determining a depth of drilling in objects a path over which a resistance is measured which is produced by an object to be processed counteracts a processing tool during its advance movement, and the measured path is used for determination of a depth of drilling... | 03/13/2007 |
| 7153252 | Storage arrangement for machine tools A storage arrangement (1) for machine tools is proposed, comprising at least two storage shelves (12) arranged vertically one above the other and in each case having a multiplicity of tool or workpiece retainers (14), the tool or workpiece retai... | 12/26/2006 |
| 7131940 | Machine tool The present invention provides a machine tool whose width dimension is not increased even when it includes a tool magazine. The present invention includes: a bed; a saddle disposed on the bed to be movable in a forward and backward (Y-axis) direction in a front view... | 11/07/2006 |
| 7070550 | Transmission mechanism for tool changing device A tool changing device includes a conjugate cam composed of two plate cams and the conjugate cam is mounted to the cam axle. The two plate cams are operatively engaged with two rollers on two sides of a gear so that the gear is periodically rotated to drive the tool... | 07/04/2006 |
| 6949057 | Multi-function end effector A multi-function end effector includes a plurality of tool change mechanisms in a housing in which a spindle is also mounted for translation along an axis of the spindle. Each tool change mechanism has a gripper that releasably grips a tool holder in which a tool is... | 09/27/2005 |
| 6926094 | Apparatus for manufacturing operations using non-contact position sensing Apparatus and methods for manufacturing operations using non-contact position sensing are disclosed. In one embodiment, an apparatus includes a track assembly adapted to be attached to a workpiece, a carriage assembly moveably coupled to the track assembly and movea... | 08/09/2005 |
| 6857995 | Tool exchange device for machine tool The invention relates to a tool changer for changing tools between a spindle and a tool magazine of a machine tool. The object of the invention is to provide a simple and compact tool changer. A plurality of tool pots 19 are detachably held by a circular ring... | 02/22/2005 |
| 6855099 | Manufacturing system for aircraft structures and other large structures A production system for manufacturing a workpiece comprises an index system including a plurality of index devices removably mounted on the workpiece at known longitudinally spaced locations therealong, and a longitudinally extending index member releasably engaged ... | 02/15/2005 |
| 6814692 | Tool handling device for a machine tool A tool handling device for a machine tool has a plurality of tool holders, which are arranged stationarily in one plane. A boom is able to be pivoted around a pivot axis normal to such plane and bears a tool gripper arrangement able to be moved in a radial direction... | 11/09/2004 |
| 6773382 | Automatic tool-exchanging apparatus An automatic tool-exchanging apparatus is provided which extends/contracts an arm with a rational and simple structure and can realize a high-speed operation essentially obtainable by making the arm's turning radius small. The apparatus comprises: an arm-driving sha... | 08/10/2004 |
| 6736767 | Machine tool with tool spindle and tool exchanger A machine tool with a driven tool spindle that is rotatable about a spindle axis that includes a tool exchanger including grippers to displace tool-holders or tools between a receiver position in the tool spindle and a storage position, or vice versa. The tool-holde... | 05/18/2004 |
| 6637290 | Housing oscillating type cam apparatus, and work shifter using such apparatus A housing (21) which comprises an input shaft (22) and a second output shaft rotatably supported in a housing (21), and a first output shaft (23) rotatably supported to be movable in the axial direction as well as the rotational direction, a first cam mec... | 10/28/2003 |
| 6520895 | Polishing device and polishing pad component exchange device and method A polishing device includes a wafer chuck mechanism which retains a wafer while its plane to be polished faces upward, a polishing pad component which possesses a polishing plane which polishes the wafer, a polishing head, and a shift mechanism which enab... | 02/18/2003 |
| 6454684 | Automatic tool changing apparatus Disclosed is an automatic tool changing apparatus which comprises a tool magazine storing a multiplicity of tools each held by tool holding means, the tool magazine having a tool port through which the tools are loaded into or unloaded from the tool magaz... | 09/24/2002 |
| 6416450 | Machine tool with improved tool changer means A tool changer for a machine tool having a toolhead assembly including a spindle with device for detachable securing a tool thereto, generally consisting of at least one device for holding a tool detachably securable to the spindle, pivotally connected to... | 07/09/2002 |
| 6190294 | Horizontal machine tool A horizontal machine tool has a spindle head which supports a horizontal tool spindle. The spindle head is guided on a top surface portion of a base such that the spindle head is movable in two horizontal directions X and Z. A workpiece support for suppor... | 02/20/2001 |
| 6183404 | Machine tool for machining cavities in workpieces A machine tool (10) has a spindle (11) for receiving a tool (15) for machining a workpiece (16). A mechanism (17) for clamping the workpiece (16) is also provided. Also provided is a changing mechanism (37) for a machining tool (29), which holds the machi... | 02/06/2001 |
| 6099448 | Knife picking device and knife receiving unit for a cutting center machine A knife picking device includes a base member which is connected to a linear guide frame. The linear guide frame is movably connected to a linear guide board in two perpendicular directions. A block is connected to the base member and a cylindrical member... | 08/08/2000 |
| 6090026 | Automatic tool exchanging machine An automatic tool exchanging machine include a machine body such as gear box, a tool exchanging arm having a tool grasping member and supported by the machine body to be rotatable and to be linearly reciprocally movable in an axial direction of a rotation... | 07/18/2000 |
| 6007464 | Tool-changing apparatus and method for a machine tool In a tool-changing apparatus for a machine tool, a tool-locking pin and an arm-locking pin are provided in a tool-changing arm and urged upward. When the arm is moved downward by a swinging shaft, the tool-locking pin and the arm-locking pin are moved upw... | 12/28/1999 |
| 5997454 | Panel cutting machine A machine for cutting panels, the substantially horizontal worktable of which supports the panels and presents a lateral guide extending in a given direction; the guide supporting a carriage presenting at least one cutting member; the carriage being movab... | 12/07/1999 |
| 5947879 | Device for controlling a tool shaft of a cutting machine A device for controlling a tool shaft of a cutting machine includes a casing in which the tool shaft is rotatably and movably received therein, the casing having a first and a second detection member, a first, a second and a third switch member respective... | 09/07/1999 |
| 5938578 | Finger opening and closing mechanism for tool exchanging device An outer shaft gear installed at an external side of a pivoting shaft for pivoting a tool exchange arm main body is fitted to a finger driving cam shaft, a driving force from an ATC drive shaft is transmitted via the outer shaft gear to a finger driving c... | 08/17/1999 |
| 5928120 | Method and apparatus for exchanging tools in a machine tool with locking grippers When pairs of fingers grasp tools and a tool exchange arm starts lowering, upper ends of lock pins which have been held by a spindle head are released, the lock pins are pushed up by urging forces of springs, and tapered portions of the lock pins push out... | 07/27/1999 |
| 5871427 | Machine tool The machine tool comprises a machine stand (10) with a vertically movable vertical carrier (12) carrying a spindle head (SK1) for treatment of a workpiece. To exchange the spindle head (SK1) against a new spindle head (SK2), an exchange unit (15) is provi... | 02/16/1999 |
| 5868656 | Machine tool having a tool changing device with linear stroke mechanism A machine tool comprises a spindle having a tool receptacle for receiving tool holders in their working position. A tool changer is provided for conveying a tool holder in a first changing step between a magazine position and a spindle position at said sp... | 02/09/1999 |
| 5860901 | Machine tool A machine tool comprises a spindle that rotates about a spindle axis and that comprises a receptacle for toolholders. There is further provided a number of tool changers distributed around the spindle, the gripper arm of each tool changer carrying a toolh... | 01/19/1999 |
| 5855541 | Machine tool A machine tool comprises a spindle and a tool changer for conveying tool holders between a magazine position and a working position at the spindle. The tool changer has two longitudinal rods and two transverse rods that are joined to said two longitudinal... | 01/05/1999 |
| 5820536 | Automatic tool exchanging apparatus for machine tool An automatic tool exchanging apparatus carries tools between a magazine pot allocated to an exchanging position and a leading end of a spindle of a machine tool spinning a tool about a vertical axis through the turning and displacement movements of an exc... | 10/13/1998 |
| 5816987 | Elliptic trammel mechanism for automatic tool changing apparatus An automatic tool changer in a machining center includes a reducer, a compound cam, a cylindric cam, a four-bar mechanism, an elliptic trammel mechanism, and a tool changer device. The compound cam and the cylindric cam are driven by a motor after speed r... | 10/06/1998 |
| 5795278 | Numerical control equipment for a plurality of systems A single driving system (4, 5, 6) is provided for a plurality of pairs of controlled systems and axis controllers (1, 12:2, 13). This driving system is connected to a required pair of the controlled systems and the axis controllers as needed using an axis... | 08/18/1998 |
| 5662569 | Stepping apparatus capable of large angle oscillation A stepping apparatus capable of large angle oscillation comprising an output shaft and a driving shaft arranged parallel to, and spaced apart from, each other wherein the output shaft is provided with a roller wheel plate, both sides of the wheel plate be... | 09/02/1997 |
| 5624365 | Machine tool A machine tool (10) has a revolving spindle (14) borne in a spindle tube (13) which has a locating opening (15) to receive tool holders; (16, 17). A tool magazine (55) is also provided to hold a number of tool holders. Moreover, a tool changer (18) with a... | 04/29/1997 |
| 5620406 | Tool clamping mechanism Disclosed is a tool clamping mechanism for use in a machining center, which includes a pivoting member having at opposite ends a pair of fingers for grasping a tool, the pair of fingers being connected by means of a hinge, a rotating block fixedly mounted... | 04/15/1997 |
| 5514063 | Machine tool A machine tool which comprises a headstock (111) and at least one tool changer (120). The tool changer (120) shifts the production tools (116) between a magazine position and a working position, a drive unit (123) being provided for it in the form of at l... | 05/07/1996 |
| 5462511 | Tool changer configured for use with machine tools The present invention is directed to an apparatus and method for moving tools between a storage structure and a machine tool. The apparatus includes a framework on which is mounted a linkage assembly comprising a plurality of individual links pivotably in... | 10/31/1995 |
| 5453068 | Machine tool A machine tool comprises a tool exchanger for exchanging tools between a vertical-axis spindle and a load/unload position of a tool magazine. The load/unload position is located, in a front view of the machine tool, above the spindle and laterally offset ... | 09/26/1995 |
| 5451196 | Machine tool A machine tool comprises a travelling column, a spindle stock to be displaced on the travelling column, and a tool magazine. Toolholders are stored in the tool magazine and may be individually conveyed into a transfer position within the tool magazine. Tw... | 09/19/1995 |
