Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7980144 | Flexible electronics for pressure device and fabrication method thereof A pressure device of flexible electronics capable for sensing a large area includes flexible films, electrodes, sensing blocks, and bumps. The flexible films are disposed with intervals and define two spaces. The electrodes and the sensing blocks are disposed on the... | 07/19/2011 |
| 7823466 | Device and method for adjusting, measuring, and setting force A device for setting, adjusting, and measuring a force in a system, including a first portion for measuring a system force at a first end of the device and including a measurement means, a second portion for adjusting or setting the system force at a second end of t... | 11/02/2010 |
| 7819027 | Method and structure for a pull test for controlled collapse chip connections and ball limiting metallurgy A tensile strength testing structure for controlled collapse chip connections (C4) disposed above a substrate includes: a fixture base configured for positioning substrates with C4; a top fixture plate with through hole channels; test pins for insertion through the ... | 10/26/2010 |
| 7370723 | Loading machine A loading machine is disclosed with at least one drive train, with at least one overload protection device for the drive train and with sensors for determining an overload state in the drive train. Critical operating conditions of the loading machine can be determin... | 05/13/2008 |
| 7325669 | Measuring device for conveyor chain A conveyor system includes a conveyor line, a conveyor chain movable along the conveyor line, and an electronic device located at a movable component that moves with the chain along the conveyor line. The electronic device may comprise a locating device operable to ... | 02/05/2008 |
| 7310997 | Tire warning device detecting tensile forces of reinforcing cord and pneumatic tire having the same This invention provides a tire warning device which detects tensile forces of at least one of reinforcing cords of a carcass ply or belt ply of a pneumatic tire and provides a warning on the basis of the tensile forces detected. The tire warning device includes a st... | 12/25/2007 |
| 7263906 | Seat belt tension sensor A seat belt tension sensor for measuring the amount of tension in a vehicle seat belt. The seat belt tension sensor has a housing and an anchor plate. A lever is mounted in the housing. The lever holds a magnet. A sensor is mounted to the housing. The sensor generat... | 09/04/2007 |
| 7249528 | Hub unit with sensor A hub unit having a sensor comprises a hub unit 1 having a wheel-side raceway member 4, a body-side raceway member 5 and two rows of rolling bodies 6, and a sensor device 2 provided on the hub unit 1. The body-side raceway m... | 07/31/2007 |
| 7216553 | Apparatus and method for setting the drag of a fishing reel An apparatus and method of reliably and consistently setting the drag of a fishing reel for a specified strength of fishing line. The invention utilizes a resilient member that can be moved between a resting position and a stressed position. The fishing line is coup... | 05/15/2007 |
| 7210361 | Device for measuring the tightness of a transmission belt A device for measuring the tightness of a transmission belt comprises a hilt, an insertion tube, a frame, a retaining piece and an engaging piece. The hilt is provided with a transverse handle, a sleeve and a retractable axle having a section of a screw thread. The ... | 05/01/2007 |
| 7165643 | Industrial truck having increased static/quasi-static and dynamic tipping stability A forward-control counterweight fork-lift truck has a liftable and tiltable load-lifting device (1), a traction drive, operating drives, and a steering drive. A calculation model (D) based on vehicle-specific information is stored in a control device (SE). A ... | 01/23/2007 |
| 7140486 | Device for monitoring abnormality in a chain A chain monitoring device is provided with a base, guiding posts fixed to the base, a member movable along the guiding posts, a chain sprocket rotatable with a chain with its teeth being engaged into the chain, springs for resiliently urging the member for the engag... | 11/28/2006 |
| 7131340 | Device for low-vibration force measurement in rapid dynamic tensile experiments on material samples A device for force measurement in dynamic tensile experiments on material samples is disclosed. The device includes a force measurement cell in which at least one force measurement sensor is integrated. The force measurement cell has at least one one-piece connectin... | 11/07/2006 |
| 7123030 | Method and apparatus for detecting elevator rope degradation using electrical resistance A method and system for detecting or measuring defects in an elevator rope having electrically conductive tension members, whereby measured electrical resistance in the tension members is indicative of defects. ... | 10/17/2006 |
| 7082839 | Apparatus and method for testing moisture susceptibility, rutting and fatigue of material The moisture susceptibility material testing apparatus includes a specimen chuck, multiple rollers, a temperature controlled water bath, and a control system to automate the testing cycle and collection of data. The water bath is prepared at the desired testing temp... | 08/01/2006 |
| 7066033 | Measuring sensor The invention relates to a measuring sensor (1) for measuring positive and negative elongations on cylindrical or profiled bodies (6). The measuring sensor (1) consists of more than two parts and is essentially annular and has at least one tensi... | 06/27/2006 |
| 7047818 | Capacitive force sensing device An exemplary capacitive force sensing device using metallic springs of certain shapes as spacers between the dielectric plates. ... | 05/23/2006 |
| 7012540 | Mobile working machine provided with stability monitoring The invention relates to a mobile working machine, particularly a mobile concrete pump, comprising a device for monitoring the stability thereof when in operation. The working machine comprises a chassis (10), which contains a supporting structure with two fr... | 03/14/2006 |
| 7000873 | Microscope stand having balancing device The invention relates to a stand having a pivotable support arm (2) and a balance weight (AG), in which the balance weight (AG) acts via a cable pull (24) for the weight compensation of the load (G), the balance weight (AG) being arranged in the area o... | 02/21/2006 |
| 6998724 | Power generation system A system for generating an electrical power output from a subsea installation that includes at least one flowline, wherein the system includes a turbine that is operatively connected to the flowline, the turbine being rotatable by fluid flowing through the flowline,... | 02/14/2006 |
| 6993981 | Tension monitoring arrangement and method Tension monitoring is described using a sensor which may exhibit an offset for which compensation may be provided to produce a zero voltage amplified output or to increase dynamic range. An arrangement determines whether a power reset is responsive to a battery boun... | 02/07/2006 |
| 6953158 | Fuel injection valve A fuel injector for the direct injection of fuel into a combustion chamber of an internal combustion engine includes a piezoelectric or magnetostrictive actuator and a valve-closure member able to be actuated by the actuator, the valve-closure member cooperating wit... | 10/11/2005 |
| 6647810 | Force sensor The force sensor according to the invention has a support, a first pressure-sensitive layer, arranged on a first side of the support and connected to a first conductor track, a first force-introduction part with a first contact area which is bounded by ed... | 11/18/2003 |
| 6647811 | Seat belt tension sensor with overload protection A seat belt tension sensor is attached to a seat belt in a vehicle. The seat belt tension sensor includes a housing attached between the vehicle and the seat belt. A limit structure is located in the housing. A sensor is attached to the limit structure fo... | 11/18/2003 |
| 6612189 | Tensile testing machine for variously cross sectional materials In order to provide a tensile testing machine of variously cross-sectioned materials which has a very concise structure to make possible more accurate measurement of tensile force, the testing machine is equipped with two roll stands which have gripping r... | 09/02/2003 |
| 6588088 | System and method for automatically tensioning wires and for retaining tensioned wires under tension A wire tensioning apparatus and method tensions one or more wires by moving the tensioning function from a wire module to an apparatus external to the wire module. Externally to the wire module, a wire is attached to a fixed end and a movable end. Tension... | 07/08/2003 |
| 6533507 | Spindle tool holder tension testing kit A spindle tension testing kit designed to allow mill operators to quickly and easily determine the gripping or holding force of the coupler and drawbar assembly on a spindle against the tool holder used with a milling or other machine using this method of... | 03/18/2003 |
| 6460423 | Method of measuring preload in a multirow bearing assembly The preload in a double row production bearing assembly is ascertained by comparing the deflection produced in that bearing assembly by oppositely directed thrust forces with the deflection produced in a master bearing assembly by equivalent thrust forces... | 10/08/2002 |
| 6363799 | Bearing device and method for measuring axial force There is disclosed a bearing device in which a double row angular contact ball bearing is mounted to an outer periphery of a hub wheel, a caulking portion is bent diametrically outward and caulked on an end face of an inner ring of a bearing, thereby prev... | 04/02/2002 |
| 6311566 | Redundant linkage and sensor assembly A redundant linkage and sensor assembly which includes a sensor that enables indication of the magnitude and direction of forces applied to the linkage, while maintaining full mechanical strength and function of the linkage. The linkage includes an inner ... | 11/06/2001 |
| 6311570 | Method of adjusting a lying or sitting element Method of adjusting a lying or sitting element with a supporting frame and elastic strips running transversely to this with adjustable initial tension which are downwardly deformed to varying extents when a person is placed on them, an ideal contour of th... | 11/06/2001 |
| 6223609 | Apparatus for measuring the thickness and/or irregularities of a running sliver An apparatus for advancing a sliver and sensing thickness variations thereof in a fiber processing machine includes a tongue-and-groove roll pair composed of a tongue roll and a groove roll. The groove roll is radially fixedly supported and has a circumfe... | 05/01/2001 |
| 6216542 | Monolithic force sensor The invention relates to an internal parallel motion force sensor containing a rectangular box load body fixedly connected to a measuring transducer and an electronic evaluation unit in a gas and humidity tight manner. The load body has an axal longitudin... | 04/17/2001 |
| 6170341 | Load sensing system A processor implemented stabilization system for load handling equipment monitors at least a portion of the equipment weight load at an equipment support member. Reduction below or increase above predetermined values signals an approaching tip over condit... | 01/09/2001 |
| 6105439 | Device for measuring the axial thrust on a rotating shaft The axial thrust exerted on a rotating shaft, such as the shaft of a turbomachine rotor, is measured by a device comprising a resilient washer sandwiched between two flange members disposed around the shaft so that the axial thrust will cause axial compre... | 08/22/2000 |
| 5938182 | Power carpet stretcher gauge A gauge including a housing mounted as a telescoping extension section in a power stretcher unit between the transfer tube and the baseplate. At one end of the housing is a connector for mating the housing to one point on the power stretcher, a chamber an... | 08/17/1999 |
| 5741981 | Device and method of measuring the draw-in force for stationary and rotating spindle A measuring apparatus for measuring the draw-in force of a spindle of a machine tool includes a measuring mechanism and a displacement sensor for measuring displacement in a non-contact manner, without contacting the spindle. The draw-in force is converte... | 04/21/1998 |
| 5728953 | Cable load sensing device Apparatus for sensing the magnitude of a load on a cable as the cable is employed to support the load includes a beam structure clamped to the cable so that a length of the cable lies along the beam structure. A spacer associated with the beam structure f... | 03/17/1998 |
| 5628227 | Method and apparatus for determining at least one sheet stretch value of a roll of material There are provided a method and an apparatus for determining at least one sheet stretch value of a roll of material. The method comprises the steps of (a) radially marking one side end of the roll from periphery thereof to produce a series of aligned mark... | 05/13/1997 |
| 5589646 | Tension load cell apparatus A tension load cell apparatus includes a structural member of metallic construction having a pair of large diameter end portions and a smaller diameter center portion. String gauges are carried on the center portion for generating a tension load value res... | 12/31/1996 |
