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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8092357 | Spindle gripping device and method A spindle gripping device and method for use in a CNC machine for re-orienting a workpiece. The gripping device includes an attachment portion, a translational driver, and a gripping portion. The attachment portion mechanically attaches the gripping device to a spin... | 01/10/2012 |
| 7357769 | Machine tool Machine tool simplifying maintenance, reducing manufacturing costs, and enabling high precision machining. The machine tool is equipped with: a bed furnished with a rectangular base, right and left sidewalls provided standing either side of the base, and a rear side... | 04/15/2008 |
| 7338419 | Tool coupler for connecting tool heads, such as drills, reamers, millers, turn-cutters, dies, and rams, to a tool holder A tool coupler for connecting tool heads, such as drills, reamers, millers, turn-cutters, dies, and rams, to a tool holder. The tool coupler has a hollow shaft, a ring-shaped collar, and a gripper groove, in which gripper groove are disposed two diametrically opposi... | 03/04/2008 |
| 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 |
| 7324869 | Tool information display device for processing machine The present invention provides a tool information display device for a processing machine which can display information on tools installed in appropriate parts of the processing machine, in an easy-to-understand manner. The present invention allows even the identifi... | 01/29/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7150705 | Tool changing device which prevents chips adhering to tool A tool changing device of a machine tool which prevents chips adhering to a tool. By using a drive motor with which a tool changing device of the machine tool is usually provided, to vibrate the tool, the chips are prevented from adhering to the tool, especially to ... | 12/19/2006 |
| 7147595 | CNC machine tool A CNC machine tool includes a worktable supporting two workpieces and rotatable on a base so as to exchange the positions of the workpieces. A post member is fixed on the base. A first horizontal rail unit is movable vertically on the post member. A second horizonta... | 12/12/2006 |
| 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 |
| 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 |
| 7104940 | Tool changer for a machine tool A tool changer for machine tools having at least two tong-shaped grippers, the legs of which are formed for engaging with the ring groove at a broader end of a tool taper. The grippers are symmetrically mounted about the central axis of a carrier and are rotatable a... | 09/12/2006 |
| 7048679 | Tool-changing system The invention discloses a tool-changing concept in which tools are accommodated in a rack and, by means of a storage and retrieval unit located behind the rack, are removed and fed through the rack to a tool changer, by means of which it is possible to remove a tool... | 05/23/2006 |
| 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 |
| 6949056 | Machine tool An improved machine tool having a support structure (16), a spindle (18) rotatably supported by the structure, the spindle adapted for engagement with a workpiece (56), the spindle operatively arranged to selectively rotate in an annular A-axis ... | 09/27/2005 |
| 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 |
| 6846276 | Method and apparatus for controlling tool changer The present invention relates a tool changer controlling method and apparatus, which can reduce a tool changing time as compared with the prior art. The controlling apparatus controls operation of a tool changer (1) which comprises a changer arm (2) fo... | 01/25/2005 |
| 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 |
| 6464623 | Tool storage and tool exchange device of a machining machine-tool and operating process of such a device A tool storage and tool exchange device of a high speed machining machine-tool having a horizontal ram that receives a tool. The exchange device includes a tool storage module that has a multiplicity of housings receiving the tools, a handling module that... | 10/15/2002 |
| 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 |
| 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 |
| 6325748 | Tool transfer device for machine tools A tool transfer device for machine tools that can reduce the tool transfer time and also reduce the cost of the device by eliminating the need for a driving source. The tool transfer device for machine tools has a tool magazine set beside a spindle on whi... | 12/04/2001 |
| 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 |
| 6071220 | Tool change device and tool change method In the tool change device, a tool change arm 27 for changing a tool 25 with respect to a main spindle 24, a main tool magazine 29 including a plurality of hold grooves 30 arranged linearly for holding the tools 25, and a tool storage member 41 including a... | 06/06/2000 |
| 6042524 | Tool storage device having tilting mechanism In a tool storage device for a machine tool, a tilting mechanism is provided with a positioning member fixed in a magazine base, a turning member turnably mounted to the outer periphery of the positioning member. The center of turning of a tool pot is kep... | 03/28/2000 |
| 5908374 | Tool changer for machine tool A tool changer for a machine tool includes an arm support disposed between a spindle head and a tool magazine to be reciprocally moved along the spindle relative to the spindle, a pair of tool changing arms mounted for rocking motion on support shafts fur... | 06/01/1999 |
| 5885200 | Tool change device In the tool change device, a tool change arm 27 for changing a tool 25 with respect to a main spindle 24, a main tool magazine 29 including a plurality of hold grooves 30 arranged linearly for holding the tools 25, and a tool storage member 41 including a... | 03/23/1999 |
| 5496249 | Tool changer for a processing center A work tool changer for a work tool center with horizontal work tool spindle and an a work tool magazine, which receives the work tools in a vertical axis. The work tool changer is provided with a vertically transportable lift sled (28), on which a 2-arme... | 03/05/1996 |
| 5194061 | Tool changer A tool changer comprises a support (7) movable parallel to the axis (A or B) of a tool holder, a pivoting head (8) which pivots on the support (7) about an axis of rotation (D), and two gripper arms (9, 10) arranged on the head (8) substantially radially ... | 03/16/1993 |
| 4887345 | Turret apparatus In a turret apparatus with an automatic tool changer a turret head is rotatably provided on a body. The turret head has two main shafts arranged with an interval of 180 degrees about a rotary shaft. The two main shafts being disposed with an intersectiona... | 12/19/1989 |
| 4847978 | Tool head changer and drive mechanism A machining center for machining a variety of different workpieces. Tool heads with a wide variety of tools are transferred from a storage area and oriented and presented one at a time by a turret to a machine tool in which they are received, accurately l... | 07/18/1989 |
| 4833770 | Flexible manufacturing system for machining workpieces A flexible manufacturing system for machining workpieces. The system encompasses several tool machines, a storage unit that includes several tool shelves that are disposed along a guideway and have recesses for holding the tools. The guideway is disposed ... | 05/30/1989 |
| 4799308 | Automatic tool changer An automatic tool changer for use in a machine tool includes a chain (1) having a plurality of tool pots (2), a plurality of tool holders (H) set in the tool pots (2) in a fixed address manner so that the tool holders (H) are returned to their original to... | 01/24/1989 |
| 4722133 | Tool transfer mechanism for machine tools A tool transfer mechanism for transferring a tool between a gateway position of a tool storage magazine and an exchange position adjacent a spindle which includes a base mounted on a frame, an actuator for rectilinearly moving the base, and a holding arm ... | 02/02/1988 |
| 4642875 | Machine tool with a headstock The machine tool exhibits a magazine and a tool changing device with two interconnected swivel-mounted transfer arms for tool changing. The magazine is disposed outside the range of the transfer arms on the side of an upright supporting the headstock, sai... | 02/17/1987 |
| 4622734 | Apparatus for the variable machining of workpieces An apparatus for the variable machining of workpieces is described which consists of a central module, which is constructed as a hollow carrier unit and which takes over the functions of the machine housing, and also of a plurality of horizontal and verti... | 11/18/1986 |
