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| Number | Title | Issue Date |
| 7375361 | Optical alignment device for machine tool The orientation of a machine 2 relative to a work-piece 10 is manually controlled by means of an alignment device 4. The device 4 includes a light source 24 rigidly attached to a foot 12 that is resiliently movably attached ... | 05/20/2008 |
| 7369916 | Drill press A power tool control system connected with a drill press provides a system for determining operational settings for the drill press and/or structural factors of a workpiece to be operated upon by the drill press. For instance, the power tool control system may estab... | 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 |
| 7359762 | Measurement and alignment device including a display system A graphical user interface communicatively coupled with a non-contact measurement and alignment device enables user control over and display of the readings from the non-contact measurement and alignment device. In operation with a power tool, the graphical user int... | 04/15/2008 |
| 7338606 | Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure... | 03/04/2008 |
| 7322120 | Tool damage detection device A tool damage detection device which detects the presence or absence of damage, has a contact bar rotatably supported on a casing; a pneumatically operated air drive device operatively connected with a supply of air under pressure; and a linear-to-rotational motion ... | 01/29/2008 |
| 7290474 | System for rapidly stopping a spinning table saw blade A system for stopping a spinning table saw blade is comprised of a pin assembly disposed adjacent to a saw blade assembly for stopping a spinning saw blade. A receiving block is disposed on a side of the saw blade opposing the pin assembly for receiving the tip of t... | 11/06/2007 |
| 7243440 | Gauge for use with power tools A gauge for connecting with a power tool and providing a system for determining structural factors of a workpiece to be operated upon by the power tool is provided by the present invention. The gauge including a probe connected with a sensor via a spring, wherein co... | 07/17/2007 |
| 7217071 | Method for testing the fit or imbalance of a tool In the method, a tool is tested for an aligning fit or an imbalance in a tool spindle. The tool spindle is set into rotation. A light beam is used to check whether the tool wobbles. The tool spindle and the light beam are moved relative to one another until the ligh... | 05/15/2007 |
| 7172689 | Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure... | 02/06/2007 |
| 7137327 | Riving knife assembly for a dual bevel table saw An embodiment of the present invention is directed to a riving knife assembly for a dual bevel table saw, comprising: a first armature configured for coupling with a beveling member; a second armature adjustably and rotatably coupled with the first armature; a first... | 11/21/2006 |
| 7121773 | Electric drill apparatus An electric drill apparatus having a low profile is provided which comprises an annular cutter, a motor for rotating the annular cutter, a rotary shaft assembly for rotating the annular cutter attached to its leading end about a rotating, a rotation reduction mechan... | 10/17/2006 |
| 7104866 | Machining device According to a machining device for machining a conductive workpiece (W) by a conductive (T), when the tool (T) contacts the workpiece (W) in machining, there is formed a closed-circuit (C) connecting the tool (T), the workpiece (W), a brush (315), a conducto... | 09/12/2006 |
| 7070509 | Tap position sensor with offset detection In an integrated cutting and tapping tool, a part in the form of a strip is held on a strip support with a hole facing a tap carried by a tapping tool. The bottom dead center point of the tap is detected by a feeler associated with a multiplier lever pivoting about ... | 07/04/2006 |
| 7056072 | Method and apparatus for controlling movement of cutting blade and workpiece A method of controlling a relative movement of a cutting blade and a workpiece which are moved relative to each other by a movement device in an operation with a machine tool. The method includes a step of bringing the cutting blade and an object into contact with e... | 06/06/2006 |
| 7056027 | Bearing for a rotatable shaft subject to thermal expansion A bearing for rotatably supporting a cylindrical shaft within a frame cylindrical support surface in which the shaft is subject to thermal expansion, the bearing being formed of a tubular member having opposed ends and having an axial passageway therethrough, the ou... | 06/06/2006 |
| 7034552 | Operator sensing circuit for disabling motor of power equipment A calibrated operator-sensing circuit having a microcontroller that commands a charge-transfer sensor to send a sensor charge signal to a capacitive sensing electrode. The sensor receives a discharge signal from the electrode and outputs a corresponding raw data sig... | 04/25/2006 |
| 7025544 | Machine tool and lubricant jetting state detector for machine tool A machine tool capable of jetting atomized lubricant (h) forward from the tip of a cutter (17), characterized by comprising a lubricant jetting state detector for detecting the jetting state of the atomized lubricant from the tip of the cutter, the lubricant ... | 04/11/2006 |
| 7011613 | Spindle comprising a data storage element The invention relates to a spindle (9) for a machine tool, having a housing (12) to accommodate an electric motor (11) and a shaft (13) driven by the latter and having a tool holder for a tool (10) for machining workpieces, at leas... | 03/14/2006 |
| 7003971 | Electronic component cooling system for an air-cooled chiller A chiller system includes a refrigerant loop, the refrigerant loop further including a compressor, an air-cooled condenser arrangement and an evaporator arrangement connected in a first closed refrigerant loop. A motor is connected to the compressor to drive the com... | 02/28/2006 |
| 6960910 | Method for phase matching by detecting magnetic flux A method for phase matching matches a relative phase of a first element and a second element by detecting a magnetic flux. The method provides a magnetic flux generator to generate the magnetic flux. The method also provides a magnetic sensor in order to detect the ... | 11/01/2005 |
| 6938795 | Hand-held fluid dispenser system and method of operating hand-held fluid dispenser systems A hand-held fluid dispenser having an enclosure for supporting a container holding a fluid to be dispensed, and a method of operating such hand-held fluid dispensers. A first proximity sensor is located inside the enclosure immediately adjacent one side of the enclo... | 09/06/2005 |
| 6932547 | Toolhead assembly for CNC machines having misalignment prevention means A toolhead assembly for a CNC machine displaceable along orthogonal x, y and z-axes generally consisting of a support assembly, a tool carrier supported on the support assembly having a rotatable tool axis and being displaceable relative to the support assembly betw... | 08/23/2005 |
| 6866451 | Device for detecting a thermal linear dilation on part of a machine A device for detecting thermally caused linear expansions of a machine element, wherein the device includes a temperature sensor placed along an expansion direction. The temperature sensor includes a first metallic conductor having an electrical resistance that is p... | 03/15/2005 |
| 6786683 | Hand tool with electronic depth stop A hand tool device (1), for a partially rotationally driven drill tool (2), including an electronic depth stop (3) with a sensor (4) for non-contacting gauging of a distance and a calculator component (5) for calculating the depth ... | 09/07/2004 |
| 6758640 | Method and apparatus for controlling movement of cutting blade and workpiece A method of controlling a relative movement of a cutting blade and a workpiece which are moved relative to each other by a movement device in an operation with a machine tool. The method includes a step of bringing the cutting blade and an object into contact with e... | 07/06/2004 |
| 6665948 | Drill bit penetration measurement system and method A drill bit penetration measurement system and method for determining a depth of penetration of a rotating drill bit in a bore. A first sensor outputs a first signal representative of a displacement of the leading edge of the drill bit in the bore. A seco... | 12/23/2003 |
| 6640205 | Method and device for investigating and identifying the nature of a material The method of and a device for using this method, on equipment or assigned to equipment for working a material, for investigating and identifying the nature of the material, which is to be worked and for making available at least one operating parameter f... | 10/28/2003 |
| 6517561 | Motorized specimen cutter The motorized specimen cutter has a replaceable rotary tubular cutting tip and a motor to rotate the cutting tip. Deflection caused by proper cutting force energizes the motor with enough energy to cut a specimen. A manually or automatically actuated ejec... | 02/11/2003 |
| 6476575 | Method and system for adaptive control of turning operations An adaptive control system for adaptively controlling a turning operation performed at a work piece by a turning tool adjusts a controlled input operation parameter F to maintain an output operation parameter ƊM substantially at a predetermined value ƊM... | 11/05/2002 |
| 6364581 | Balancer A tool holder assembly 10 including a tool holder 12 having a balancer assembly 21 adapted to selectively provide improved unbalance compensation.... | 04/02/2002 |
| 6089797 | Thermal equalization system In a thermal equalization system a machine tool carriage preferably of aluminum but which could be made of other lightweight materials, a drilling spindle housing is mounted on the carriage. At least one spindle housing is be mounted said carriage to serv... | 07/18/2000 |
| 5967716 | Coolant feeder A spindle protective structure capable of reliably detecting coolant leakage from a jointing device and protecting a spindle. A flow sensor is provided in the line of a drain pipe for discharging coolant leaking from the rotary joint, so that an alarm is ... | 10/19/1999 |
| 5904457 | Detecting tool wear by thermal monitoring of workpiece A method of monitoring the condition of a tool in a machining operation for producing a plurality of toothed workpieces. The process comprises measuring the temperature of at least a portion of the plurality of workpieces each at essentially a same predet... | 05/18/1999 |
| 5857812 | Process and device for detecting and compensating for jointing and wear errors in fine drilling The invention relates to a process and device for detecting and/or compensating for static jointing and wear errors in the fine drilling of workpieces by means of an adjusting tool (18) bearing an adjustable cutting insert (28) and capable of being clampe... | 01/12/1999 |
| 5850184 | Ultrasonic tool confirmation sensor A tool detection system combines a sensor nozzle with an ultrasonic transducer capable of propagating and detecting ultrasonic waves. A wave is propagated in a coolant fluid stream directed at a tool to be monitored. A control unit powers the ultrasonic t... | 12/15/1998 |
| 5755537 | Portable precision drill A drill incorporates an axial feed drive, measuring system for determining the feed distance, a computer for controlling the axial feed drive as a function of the axial feed distance and a rotary drive for driving the tool spindle with pre-established on-... | 05/26/1998 |
| 5739607 | Hybrid spindle bearing A machine tool spindle is supported at its spindle nose in a front, rolling element mechanical anti-friction thrust and radial support bearing means. The middle and rear end of the spindle is supported in a magnetic radial rear bearing and further support... | 04/14/1998 |
| 5674031 | Tool holder in particular quick exchange chuck A tool holder comprises a receptacle having one end connectable with a machine spindle, to a receptacle and the like and an opposite end, a head provided on the opposite end and having a coaxial cylindrical head opening, a housing received non-rotatably a... | 10/07/1997 |
| 5538423 | Apparatus for controlling operational parameters of a surgical drill The present invention relates to a dental drilling system having a programmable control unit. The control unit controls operating parameters of the drilling system, such as the direction of rotation, the speed of rotation and the torque of a tool bit of a... | 07/23/1996 |
