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| Number | Title | Issue Date |
| 7250023 | Drill accessory A tool for a power drill allows fast and convenient loading and unloading of a screw bit, drill bit, or other implement. The user preferably loads the tool with the necessary implements which are then carried with the tool. Each received implement is movable from a ... | 07/31/2007 |
| 7229397 | Tool changing device for a machine tool and method for changing tools on a machine tool A tool changing device for a machine tool with at least one tool carrier is proposed, which comprises at least one transit station, into which a tool is introducable in an inward transit direction and is extractable in an outward transit direction, wherein, at the t... | 06/12/2007 |
| 7211033 | Machine tool A machine tool has at least one working spindle, in which a tool receptacle for tool holders is provided. Furthermore, there is a tool-changing arm with a gripper, for a tool holder in order to transfer this tool holder between its magazine position, which is spaced... | 05/01/2007 |
| 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 |
| 7137940 | Machining center Machining is possible in such a manner that an optional position of a workpiece is positioned just under a tool by rotation of a turn table in a C-axis direction, movement of the turn table in a Y-axis direction, and movement of a spindle in a Z-axis direction, so t... | 11/21/2006 |
| 7115082 | Machine tool A machine tool has a working spindle in which a tool receptacle for tool holders is provided. Furthermore, there is at least one tool-changing arm with a gripper in which a tool holder is held in a peripheral alignment with respect to the gripper in order to transfe... | 10/03/2006 |
| 7086315 | Straddle-cutting tool A straddle-cutting device for machining a pair of parallel surfaces on a rotating workpiece in a single cut as the cutting tool is advanced over the workpiece. Apparatus is provided for biasing the cutting tools using a stack of spring washers and a pneumatic... | 08/08/2006 |
| 7024783 | Apparatus for changing operating modules on a coordinate positioning machine A storage port (20) for separating a magnetically coupled task module (18) from a modular probe (16) mounted on a machine comprises a housing (22) and arm (24) receivable by the task module (18). A mechanism is provided for ... | 04/11/2006 |
| 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 |
| 6527686 | Variable pitch spindle line drilling machine A movable spindle tool machine, such as a printed circuit board line drilling machine includes a base and a spindle mounted to the base. A magazine is mounted proximate the spindle for storing a supply of tools. A pitch independent tool changer is moveabl... | 03/04/2003 |
| 6354776 | Electric drive spindle In a drive spindle an electric motor has an output shaft which defines a spindle able to receive an associated tool and associated with an attachment device movable between a position in which it locks the tool on the spindle and a release position; the o... | 03/12/2002 |
| 5954623 | Tool changer apparatus and method of automating a machine tool The present invention provides a tool changer which can be placed on the table of an existing machine tool, while utilizing the existing control computer of the machine tool to automate the tool changing process. This simplified tool changer allows the ow... | 09/21/1999 |
| 5662567 | Machine tool A machine tool comprises a headstock (12) having a rotatable spindle (16) and having motor means for rotatably driving said spindle (16). At least one gripper (26) is provided for gripping a tool holder (18) and for transferring same from a first, uncoupl... | 09/02/1997 |
| 5641265 | Manipulating device for handling, in particular for orientating, workpieces, tools or the like A manipulating device for handling, in particular for orientating, workpieces, tools or the like, includes a workpiece head provided with a device for supporting at least one workpiece, a tool or the like, having at least one characteristic axis and drive... | 06/24/1997 |
| 5263918 | Machine tool A machine tool has a spindle rotating in a headstock and has, further, a gripper for transferring a toolholder from an uncoupled position into a ready-to-couple position within the spindle. A coupling mechanism is provided for further transferring the too... | 11/23/1993 |
| 5079828 | Automatic tool-replacement apparatus An automatic tool-replacement apparatus including the main body of a machine tool on which a plurality of tools can be dismountably mounted. The tools are selectively held by an automatic tool-replacement arm and are mounted on or dismounted from the main... | 01/14/1992 |
| 4942657 | Automatic cutter change type shaving machine Automatic cutter change type shaving machine, wherein a spindle of a cutter head supported movably upward and downward by a column has a cutter loading portion having a mechanism to load and unload a cutter along the axis of said spindle at an end of said... | 07/24/1990 |
| 4939834 | Machine tool with tool change mechanism A tool change mechanism in a machine tool includes a tool change arm arranged to attach a protection cover member to the forward end of a spindle head for protection of a ring secured to the forward end of a tool spindle in the spindle head and to remove ... | 07/10/1990 |
| 4845834 | Tool clamping mechanism A tool clamping mechanism (12) is provided for a tool engaging arm having a frame or chassis (18) which is moved along a path of travel toward a tool (47). The mechanism includes a tool contact member or tongue (60) and preferably includes a pair of space... | 07/11/1989 |
| 4642006 | Tool mounting A tool mounting between a cutting tool, for example a drill, and a machine spindle, comprising a tool element and a tightening device. The tool element consists of a body and an expandable attachment tap. The attachment tap is formed with grooves to recei... | 02/10/1987 |
| 4520550 | Robot tool changer An apparatus and method for installing and removing a tool on a chuck connected to a robot arm. The chuck has a mandrel with two parallel flat sides and two protruding flanges. The tool has a tool coupling member which is supported and held against rotati... | 06/04/1985 |
| 4359814 | Machine tool with automatic tool changing A machine tool has a rotating head provided with a radially movable carriage. Transferrable tool holders are clamped to the carriage of the head by a releasable clamping mechanism. A plurality of tool holders are held on an indexable drum, the rotational ... | 11/23/1982 |
| 4287659 | Method and apparatus for exchanging tools in hobbing machines A method and apparatus for effecting an automated exchange of a tool in hobbing machines. At least a pair of gripping devices are mounted on a shaft for relative sliding movement therealong and for selective locking engagement with the shaft so that a rot... | 09/08/1981 |
| 4220430 | Positioning device for positioning a movable part of a machine tool relative to a fixed part A positioning device for positioning a part, such as, a movable part of a machine tool, relative to a fixed part of the machine tool, comprises, a transmitter adapted to be secured to one of said fixed and movable parts and having spaced apart first and s... | 09/02/1980 |
| 4103405 | Tool changing arrangement A tool changing arrangement for a machine tool comprises a rotary and axially movable drive spindle which coaxially carries a holding member rotatable therewith and movable in axial direction relative thereto. A tool carrier movable transversely to the ho... | 08/01/1978 |
| 4084300 | Automatic tool changing method and apparatus New and old tools are changed by loosening or fastening a chuck mounted on a main spindle gripping or releasing the new and old tools and rotating and indexing a tool storage magazine in which a multiplicity of tools are stored, without requiring an exclu... | 04/18/1978 |
| 3964616 | Machine tool interchange arm An interchange arm to transfer tools between a tool storage mechanism and a spindle. A pair of the interchange arms are pivoted on rotating shafts of a tool changer mechanism which rotates the arms between the spindle and the tool storage mechanism so tha... | 06/22/1976 |
| 3962777 | Tool clamping device for multiple-operation machines A tool clamping device for multiple-operation machines or machining centers. The device has a self-blocking fork for selectively securing a tool on a tool changing device or autooperator, the fork being in the shape of jaws which partially embrace the sha... | 06/15/1976 |
| 3953039 | Toolholder for machine tools There is disclosed herein a toolholder for use in machine tools, particularly those of the type having means for automatically changing tools according to a predetermined plan, the toolholder being transported from a tool rack to a spindle for use and bei... | 04/27/1976 |
