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| Application No. | Application Title | Issue Date |
| 20110272521 | FLIGHT UNIT CONTROL SYSTEM, FLIGHT CONTROL DEVICE INCLUDING SUCH A SYSTEM, AND USE OF SUCH A SYSTEM The present invention relates to a flight unit control system (S), comprising at least one instrumented fastening bolt (6) connecting an aircraft carrier structure (34) and a load path (36a, 36b), the instrumented bolt having at... | 11/10/2011 |
| 20090232614 | Direct Tension Indicating Washer Having Enhanced Emission Of Indicating Material A direct tension indicating washer including a first surface having a protuberance formed thereon; a second surface having an indentation formed opposite the protuberance; an indicating material positioned in the indentation; and a channel leading from the indentation t... | 09/17/2009 |
| 20090206705 | FASTENERS WITH WELDED ULTRASONIC STRESS TRANSDUCERS An apparatus and method of mounting a stress transducer to a fastener includes securing the transducer to a weld insert, and welding the insert to the fastener.... | 08/20/2009 |
| 20090151466 | FIXING ELEMENT AND INSPECTION SYSTEM THEREOF A fixing element and inspection system for examining the status of the fixing element are provided in the present invention. The fixing has a sensing material disposed therein for transforming the force acting on the fixing element into an electrical signal. A signal pr... | 06/18/2009 |
| 20080253858 | Screwing device with function of twisting force measurement A screwing device with a function of twisting force measurement comprises: a screw unit having a head and a shank connected to the head; a twisting force measurement unit installed at the head and having a processor and displaying unit and a sensor for measuring a twist... | 10/16/2008 |
| 20080193249 | Laminated nut with tension indicator A laminated nut with a visual indicator indicating if the nut is in a fully tightened state. The nut includes a plurality of conical disc springs enclosed in a cage. In one embodiment, a visual indicator extends axially from the upper surface of the outermost disc sprin... | 08/14/2008 |
| 20080138167 | Direct Tension Indicating Washers A direct tension indicating washer including: a first surface having a discrete protuberance formed thereon; a second surface having a discrete indentation formed opposite the protuberances; and an indicating material positioned in the indentation, wherein the indicatin... | 06/12/2008 |
| 20080131228 | Fastener tightening system utilizing ultrasonic technology A system is provided for tightening fasteners. The system has a tightening tool configured to apply torque to a fastener. In addition, the system has a strain sensor configured to sense a parameter of the fastener indicative of an elongation of the fastener. Additionall... | 06/05/2008 |
| 20070243034 | LOAD INDICATING FASTENER INSERT A method and apparatus for determining fastener axial loading includes a fastener insert having an arched bottom surface, which deflects correlative to the level of axial loading. A load indicating mechanism determines axial loading by measuring the amount of deflection... | 10/18/2007 |
| 20060263166 | Devices and methods for monitoring fastener tension A tension indicating fastener comprising a bolt having a first length when in an unloaded condition, the bolt comprising a head having a top surface, an elongated portion having a first end adjacent to a bottom surface of the head and a second end spaced from the first ... | 11/23/2006 |
| 20060051180 | Control device for non-positive connections The invention relates to a control device for non-positive connections, especially screw connections. The device includes two force application elements and a measuring element arranged therebetween. The measuring element is at least partially provided with a layer havi... | 03/09/2006 |
| 20050058520 | Hydraulic nut A hydraulic nut having a piston which is movable in a fluid chamber of a nut body and which has a radial protrusion from the piston and a displacement bar mounted on the protrusion. The displacement bar overlies the nut body and extends past the nut body by an amount eq... | 03/17/2005 |
