"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7393311 | Monitoring method and system for a tool-holding spindle A sensor detects an axial position of a rod controlling a tool-gripping collet in a tool-holding spindle whenever a tool is picked during a working session. The current obtained rod position value is compared with previous rod position value, which has been obtained... | 07/01/2008 |
| 7367761 | Tool, tool holder and machine tool A tool attachable to a spindle of a machine tool in the same way as an ordinary tool, capable of being driven without connecting with an external power supply etc., giving a higher rotational speed than that of the spindle of the machine tool without supplying elect... | 05/06/2008 |
| 7364393 | Machine adaptation The invention relates to the transmission of power and/or data from/to a stationary part of a machine tool 200 to/from an accessory 100 mounted in the spindle 210 of the machine tool 200. A first electrical link or interface 1a,... | 04/29/2008 |
| 7350289 | Component feeding head apparatus, for holding a component arrayed In component feeding head apparatus, a head unit having a holding unit for releasably holding a component and a rotating unit for rotating the holding unit around its center of axis is set as an object of an up-and-down operation and an inverting operation, and a he... | 04/01/2008 |
| 7318692 | Spindle for a machine tool with improved tool ejection feature A spindle unit for a machine tool includes a drive unit having a drive shaft and a spindle head assembly constructed for receiving a tool and having a hollow spindle head shaft driven by the drive unit. Arranged for axial displacement in the hollow spindle head shaf... | 01/15/2008 |
| 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 |
| 7153073 | System and method for precision machining with a single point cutter The single point machining head includes a probe that is removably mounted on a carriage that moves radially relative to a central axis of the machining head. A system controller moves the carriage in a radial direction while the machining head is fed in a vertical ... | 12/26/2006 |
| 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 |
| 7008362 | Tool holder arrangement A tool identification system has a tool holder allowing removable attachment thereto of any one of a plurality of tools; a sensor arrangement operable to sense features present on a tool attached to the tool holder; a processor operable to identify uniquely, from th... | 03/07/2006 |
| 6935019 | Method of mounting electronic components and apparatus therefor For implementing a method of mounting electronic components, and an apparatus therefor, which has a much reduced tact time, the nozzles 3a, 3b, 3c, 3d, 3e and 3f are kept in holes | 08/30/2005 |
| 6884204 | Machine tool A machine tool comprises: a workpiece spindle (12) having an electromagnetic chuck (18) provided on an upper end thereof for clamping a workpiece (W), and extending along the Z-axis; a tool magazine which accommodates a tool (T) and a centering jig ( | 04/26/2005 |
| 6506143 | Apparatus for finishing inside diameter of work In a finishing apparatus, a plurality of works are retained at distances from each other in a direction of an X-axis. A single spindle is disposed on a table movable in the direction of the X-axis, the spindle has an axis parallel to an axis of each of bo... | 01/14/2003 |
| 6312336 | Electronic game guide system A gaming guide method including providing first gaming guide information from a television network and second gaming guide information from a computer based communication network, and displaying simultaneously at least a portion of the first gaming guide ... | 11/06/2001 |
| 5833591 | Electronic component mounting apparatus and nozzle replacement An electronic component mounting apparatus for determining whether or not a nozzle replacement operation is successfully performed. A horizontal array of nozzles are accommodated in the holder in a nozzle stocker, and a light emitting device and a light r... | 11/10/1998 |
| 5692998 | Tool data carrier for attachment to a tool carrier A data carrier in the form of an elastic ring segment has a radially outwardly facing surface to which the data providing tool information, are applied for example by printing. The ring segment has at least one radially inwardly effective connector elemen... | 12/02/1997 |
| 5407416 | Automatic tool change device for printed circuit board machines The tool store comprises a prismatic drum having a number of cells in which the tools may be inserted singly or housed inside a magazine; and the tool change device comprises a pair of clamps operated singly and fitted to the work table. The clamps are mo... | 04/18/1995 |
| 5322494 | High speed spindle unit and driver High speed cutting with machine tools is achieved with readily available bearings of a small diameter by mounting and presetting the cutting tool directly in a spindle of a spindle unit without employing a tool holder. Preferably, the spindle unit is smal... | 06/21/1994 |
| 5208761 | Method for the diameter confirmation of drills in a PWB machine A method is provided for the confirmation of the diameters of plural drills of different diameters in a PWB working machine in which the drills are interchangeably mounted to perform drilling. The method comprises storing, with respect to each of the dril... | 05/04/1993 |
| 4890306 | Tool holder for monitoring tool service time A tool holder for monitoring the service time of a tool holded on the tool holder is disclosed. A sensor and electric circuit are provided for determining whether or not the machining operation with the tool is executed. Counters are provided for counting... | 12/26/1989 |
| 4809425 | Adaptable, programmable production system An adaptable, programmable production system for manufacturing articles in which a plurality of operations are required includes an electronically programmable robot having a controllable arm with an end effector disposed thereon. The robot is placed prox... | 03/07/1989 |
| 4809426 | Information processing apparatus of tool holder A memory is built in a tool holder to which a working tool such as drill or the like is attached. Various tool information such as kind of tool, dimensions of tool, tool use time, and the like is written into the memory. The tool holder having the memory ... | 03/07/1989 |
| 4742609 | Automatic metal machining center system A machining center, particularly adapted for automated turning of workpieces, includes a headstock with one or more rotatably mounted spindles located in spaced generally horizontal alignment with drive means connected to rotate the spindles independently... | 05/10/1988 |
| 4631465 | Tool display system of automatic tool changing apparatus A tool display system of an automatic tool changing apparatus (31) in a machine tool (30) sequentially controlled by a programmable controller (20) on the basis of a control signal from a numerical control unit (1). The tool display system is equipped wit... | 12/23/1986 |
| 4530148 | Tool changing mechanism A tool changing mechanism for an automatic changing of tools for a press ram and die of a forming press such as a multistage metal forming press. The tool changing mechanism includes a magazine having holders for accommodating individual tools. The indivi... | 07/23/1985 |
| 4016784 | Tool setting device The present invention relates to a tool setting device for use with numerically controlled machine tools, such as lathes and milling machines. A reference position of the machine tool relative to the workpiece along both the X and Y axes is utilized by th... | 04/12/1977 |