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"During my service in the United States Congress, I took the initiative in creating the Internet."
Al Gore ; The basis for the later misquote by US Republicans that Gore had "invented" the Internet. Gore was the leading political champion of the modern-day Internet.
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| Number | Title | Issue Date |
| 7972252 | Ergonomic tool lifting machine and method An ergonomic tool lifting machine and method particularly useful for manipulating a machine tool or another heavy object. In one embodiment of the invention, the machine tool is a large milling cutter. The ergonomic tool lifting machine generally includes an articul... | 07/05/2011 |
| 7316639 | Tool magazine A tool magazine exhibits a storage wheel, on the circumference of which there are attached, in the direction of its rotational axis protruding in both directions, tool receivers designed to receive tools. To transport the tools to a tool changer arranged on one side... | 01/08/2008 |
| 7267642 | Automatic tool changing device and working machine An automatic tool changing device (30) has a tool storage device (31) with a plurality of tools stored therein, a tool chucking unit (41) and a tool unchucking unit (51) both capable of advancing/retreating between the tool storage device... | 09/11/2007 |
| 7264581 | Machining center with a relay tool exchange device A machining center includes a first column, a second column, a crossbeam mounted transversely on the first and the second columns, a tool magazine, an upper tool exchange device mounted on the crossbeam, a lower tool exchange device mounted on the tool magazine and ... | 09/04/2007 |
| 7250024 | Tool shelf magazine A tool shelf magazine for milling and drilling machines has at least one shelf, a plurality of compartments provided in the shelf above each other at predetermined intervals and also a plurality of notches, which are open on one side accommodating one suspended tool... | 07/31/2007 |
| 7175579 | Machine tool with gripper and/or tool magazine system A tool magazine system and a gripper for a machining spindle. The gripper is fed to the tool laterally with respect to the rotational or longitudinal axes of the tool, particularly substantially at right angles to the axis, and should grasp the tool. ... | 02/13/2007 |
| 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 |
| 7127786 | Machine tool The present invention provides a machine tool capable of enhancing approachability to a spindle to improve work efficiency even when it includes a workpiece changer. The present invention includes: a bed; a saddle disposed on the bed to be movable in a forward and b... | 10/31/2006 |
| 6949055 | Machine tool A machine tool consists in a pair of slide ways set apart one from another and extending parallel with a longitudinal axis, a machining station between the slide ways, presenting a first zone and a second zone adjacent one to the other, and a traveling gantry set in... | 09/27/2005 |
| 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 |
| 6802801 | Tool changing device for a tool machine A tool changing device for a tool machine having a tool spindle which can be moved at least in the spindle direction and with which a tool can be engaged in a spindle hand-over position. A tool magazine/storage area houses a tool to be changed in a magazine ready po... | 10/12/2004 |
| 6783484 | Machine tool with gripper and/ or tool magazine system A tool magazine system and a gripper for a machining spindle. The gripper should be fed to the tool laterally with respect to the rotational or longitudinal axis of the tool, particularly substantially at right angles to that axis, and should grasp the tool. ... | 08/31/2004 |
| 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 |
| 6641511 | Movable arm activated tool changer for machine tool system The present invention provides a tool changer for removal and installation of tools in a machining center having a spindle for holding a tool including a tool rack having a plurality of locations for holding tools and a rotatable arm movable between the s... | 11/04/2003 |
| 6494821 | Movable arm activated tool changer for machine tool system The present invention involves a tool changer for removal and installation of tools in a machining center having a machine tool with a spindle for holding a tool disposed within the machining center frame. The tool changer comprises a tool rack having a p... | 12/17/2002 |
| 6450932 | Spare tool changing system for machining center A guide rail (12) is laid on a frame (4) of a horizontal machining center provided with a tool magazine (5) to guide a tool changer (11) for movement between a tool transfer station near the tool magazine (5) and a tool changing station at a lower part of... | 09/17/2002 |
| 6371899 | Tool changer for machine tools A tool changer for machine tools is capable of transferring a tool transfer pot with a stroke smaller than the transfer distance of the tool transfer pot. The tool changer for a combined machining lathe includes a tool magazine having a multiplicity of to... | 04/16/2002 |
| 5988961 | Machine tool with pivoting release lever A machine tool includes a spindle to which a tool is detachably attached to be clamped, an unclamping lever provided for rocking motion and having two ends, rocking means for rocking the unclamping lever, a releasing section provided in the spindle so as ... | 11/23/1999 |
| 5871426 | Machining center A machining center has a tool change device provided above a horizontally mobile column that has a main spindle for holding a tool. A circular tool magazine for carrying a plurality of tools in a horizontal attitude is provided on a support base which is ... | 02/16/1999 |
| 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 |
| 5267766 | Tool gripper A tool gripper to remove a tool from and position the tool in a work spindle or a tool magazine, respectively, includes two tong-like gripper arms, a support attached to a tool changer on which the two gripper arms are mutually movably mounted, and an ope... | 12/07/1993 |
| 4996762 | Composite processing machine This invention relates to a composite processing machine designed so as to be movable in a longitudinal and lateral direction on the side of a work table so that cutting process, discharge process, electrolytic grinding process and the like may be accompl... | 03/05/1991 |
| 4914803 | Machine tool A machine tool comprising a spindle head, a tool magazine, and an arm, the arm being secured to the spindle head, the arm having gripping members for holding a tool holder. When a workpiece is machined, the arm in which gripping members are opened is plac... | 04/10/1990 |
| 4890969 | Flexible manufacturing apparatus having several parallel, spaced-apart processing machines A flexible manufacturing apparatus having several parallel, spaced-apart processing machines several shelf-like magazines disposed at the rear of the processing machines and extending transverse thereto, and transport mechanisms for conveying tools from t... | 01/02/1990 |
| 4845835 | Tool-change and workpiece-change apparatus The invention refers to a tool or workpiece storing magazine incorporating a tool- or workpiece-change apparatus adapted to remove a tool or a workpiece from the magazine and to transport the it into a machining apparatus, and to remove a tool or workpiec... | 07/11/1989 |
| 4831714 | Tool changing device for program-controlled universal milling and drilling machines A tool changing device for program-controlled universal milling and drilling machines as well as machining centers. The device comprises at least one gripper movable in plural axes between a tool magazine and the horizontal and vertical work spindles resp... | 05/23/1989 |
| 4787134 | Automatic tool exchange apparatus An automatic tool exchange apparatus includes a magazine for holding a plurality of freely detachable tools, a machine tool spindle whose distal end has a collet chuck in which a tool is loaded and which is tightened by a screw ring, a quill arm movable s... | 11/29/1988 |
| 4727642 | Tool-changer mechanism A cylindrical support for a tool changer arm is provided with U-shaped gear toothed means, such that rotation of a pinion which engages the gear toothed means causes an axial movement of the tool changer, a 180° rotation of the tool changer, and an oppos... | 03/01/1988 |
| 4719690 | Tool-changing device for a machine tool The tool-changing device has a changing head (7). By means of this, tool holders (4) with cylindrical parts (5) of different diameters can be inserted into a tool holder receiver (1). The changing head (7) has, at the end thereof which faces towards the t... | 01/19/1988 |
| 4711016 | Flexible manufacturing unit The invention relates to a flexible manufacturing unit with at least two machine tools (1,2) and a transport device (9) movable in rectangular coordinates having receptacles for carriers (8) holding workpieces and for the tools (6). The invention consists... | 12/08/1987 |
| 4696091 | Automatic tool changer During the automatic changing of tools between a spindle of a machine tool and a tool magazine, a changing operation of causing one of a pair of tool changing arms to stand by in the vicinity of the spindle to remove the used tool and another changing ope... | 09/29/1987 |
| 4683638 | Machine tool A machine tool comprises a spindle stock (11) and a tool magazine (29) in which a plurality of tool-carrying toolholders (17) can be displaced along an endless path in a plane perpendicular to the axis (19) of the spindle stock (11). Two gripper arms (20,... | 08/04/1987 |
| 4675977 | Machine tool The machine tool comprises a vertical post (14) on which a head changer (19) is mounted for changing the tool head (17) provided at a head carrier (16). The head changer (19) is rotatable about a vertical axis. It carries at least one head gripper (22) wh... | 06/30/1987 |
| 4649610 | Machine tool In a machine tool comprising a column (2) mounted for a horizontal sliding movement, a drive unit (4) mounted on the column for a vertical sliding movement, and a magazine (7) located above the drive unit and mounted on the column for a rotational movemen... | 03/17/1987 |
| 4646422 | Machine tool A numerically controlled machine tool capable of milling and turning operations has a continuously rotatable first spindle (10) to which is releasably secured a work holder (50). A rotationally positionable second spindle (20) has releasably secured there... | 03/03/1987 |
| 4372728 | Tool transfer arm assembly for automatic milling machines A tool transfer assembly for automatic milling machines perform rapid but stable replacement of a tool on a spindle head under direct control by a cam groove formed in an axially turnable and vertically movable shaft operationally related to holding jaws ... | 02/08/1983 |
| 4359815 | Machining center with a robot A machining center equipped with an integral robot device having a manipulating hand capable of approaching a spindle of the machining center, a tool storing magazine mounted on a machine body, a workpiece supply table disposed on a floor in the vicinity ... | 11/23/1982 |
| 4335498 | Machine tool A machine tool having a spindle assembly associated with an indexing tool storage rack on which a number of distinct tools are stored, and a transport or tool carriage for conveying a selected tool between the storage rack and the spindle assembly; and in... | 06/22/1982 |
| 4307506 | Tool Changer for a machine tool Apparatus for changing tools for a machine tool which selectively moves a tool along a Z axis with respect to a workpiece support table. The machine tool has a fixed position tool magazine which supports a tool having its principle axis parallel to a maga... | 12/29/1981 |
| 4237599 | Tool changer assembly A tool changing mechanism or assembly for a machine tool, which has a spindle for rotating a tool on an operating axis and has a tool storage magazine having at least one tool receiving means such as a socket for supporting a tool on a storage axis, has a... | 12/09/1980 |
