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| Number | Title | Issue Date |
| 8122772 | Sensing systems and methods for monitoring gait dynamics Systems and method for monitoring gait dynamics are disclosed. The performance of an orthotic or prosthetic device or other device associated with a limb may be measured based on the resistance of a bending sensor. Data from the sensors is gathered or processed, par... | 02/28/2012 |
| 8037773 | Method of considering the dynamic behavior of a movable member of a machine for performing a wheel fatigue test A method of considering the dynamic behavior of a movable member of a machine for performing a wheel fatigue test, the wheel including a disc and a rim, the method including mounting the wheel by fixing the wheel rim relative to a fixed structure of the machine, and... | 10/18/2011 |
| 7946181 | System for measuring deflection of rotating shaft in wireless manner Disclosed herein is a system for measuring the deflection of a rotating shaft in a wireless manner. The system includes a non-contact-type angle division device, a plurality of wireless contact-type displacement sensors, a plurality of wireless transmitters, a relay... | 05/24/2011 |
| 7690264 | Method and apparatus for applying bending load to an axle of an aircraft landing gear Apparatus for applying bending load to an axle of an aircraft landing gear. The apparatus comprises a dummy wheel having a dummy wheel bearing; and a load tool having a convex outer surface which is configured to engage the dummy wheel when in use so as to bend the ... | 04/06/2010 |
| 7464606 | Bend testing apparatus and method of carrying out the same A bend testing apparatus for simulating free vibrational flexing at high speeds and frequencies in a test specimen, said apparatus comprising a cam having a narrow circumferential profile or linear profile wherein at least one portion of the profile of said cam comp... | 12/16/2008 |
| 7370542 | Flat belt durability tester The apparatus is a multi-speed flat belt durability tester that can simultaneously test several belts of different lengths. The tester can apply different tensions to each belt with a tension pulley powered by a hydraulic cylinder, and it monitors the tracking of th... | 05/13/2008 |
| 7360462 | Method and equipment for inspecting reinforced concrete pipe Deterioration of reinforced concrete pipes is checked and the deterioration progress level is classified. Based on the inspection result, a portion to be inspected in detail in an inspection area is selected. With respect to the selected portion to be inspected in d... | 04/22/2008 |
| 7260545 | System and method for selection of cross-country skis A system for selecting skis accesses the weight of a user without disclosing the weight, then assigns the weight into one of several predefined weight ranges. Encrypted weight indicators are provided which are each distinctive to a particular weight range, and the a... | 08/21/2007 |
| 7210358 | Force sensor assembly A force sensor assembly includes a force sensor, a first support member, a threaded portion, an opening made in the first support member, a nut, a restricting member and a spacer. The nut is screwed onto the threaded portion which is inserted through the opening. Th... | 05/01/2007 |
| 7204152 | Apparatus and method for fatigue testing A method of simulating life of a rotor blade mounting feature mounted in a complementary rotor disc mounting feature comprises the steps of providing two specimen mounting features (37) each having portions defining pressure faces matching in profile respecti... | 04/17/2007 |
| 7204153 | Apparatus and a method for testing attachment features of components An apparatus (10) for testing attachment features (26,28,30,32) of components (12,14) comprises a first member (16) having a first end (18), a second end (20), a first edge (22) and a second edge (24). The firs... | 04/17/2007 |
| 7201061 | Three dimensional, real time load frame alignment apparatus and method A system and method for assisting in real time alignment of an alignment specimen within a load frame. In one implementation an instrumented alignment specimen is used to provide information from which the deflection of the specimen at various points along the speci... | 04/10/2007 |
| 7194916 | Apparatus and method for testing stiffness of articles An apparatus for testing stiffness characteristics such as modulus of elasticity E of an article such as a piece of lumber moving in a conveying direction transverse to the testing axis, comprises a bearing unit capable of contacting the piece of lumber at two space... | 03/27/2007 |
| 7089802 | Method and apparatus for determining hydrogen embrittlement A method and apparatus for determining failure of a test component. The apparatus, according to a selected method, is able to determine the embrittlement potential of a selected procedure for a selected material. The apparatus is able to determine the embrittlement ... | 08/15/2006 |
| 6968289 | Method of predicting displacement range of wire harness, predicting device and predicting program A method of predicting a displacement range of a wire harness, includes the steps of: designing a basic route of the wire harness; fixing the wire harness at least two different fixing points on the basic route; computing a displacement range of the wire harness bet... | 11/22/2005 |
| 6964202 | Detection of rolling contact fatigue The onset of rolling contact fatigue in an object may be detected by measuring the residual stresses in the surface of the object, and monitoring changes in their magnitude or their direction. The values of residual stresses in the surface are those averaged over a ... | 11/15/2005 |
| 6880401 | Fatigue test device and method for testing the thin plate A fatigue test device for thin plates can reliably perform tests. The fatigue test device has a rod having ends in a longitudinal direction thereof; a vibration source for excitating a longitudinal end of the rod in the longitudinal direction thereof so as to form a... | 04/19/2005 |
| 6839642 | Flexure life estimating method, wire harness designing method and program thereof Diameters and the number of respective wires are inputted, and a diameter of a virtual wire formed by converting a wire bundle to a model through a predetermined arithmetic expression derived from rule of thumb, and based upon this, a flexure life estimating process... | 01/04/2005 |
| 6718833 | Multiaxial high cycle fatigue test system A multiaxial high cycle fatigue test system for testing bending, torsion, and tension of a test unit, comprises servo-hydraulic components, including a hydraulic service manifold, two small high frequency actuators along a first axis, and one large main actuator alo... | 04/13/2004 |
| 6666097 | Method and device for measuring pushing and pulling forces A force measuring device and method for determining a force required to move a cart. The force measuring device includes a force generating device, a load member, a load cell, and a controller. The force generating device is connected to the load member a... | 12/23/2003 |
| 6532818 | Method and apparatus for measuring a vibrational characteristic of a golf club shaft An apparatus and a method for determining a vibrational characteristic of a golf club shaft. The apparatus includes a table having a clamping structure for clamping the golf club shaft thereto. A multi-dimensional accelerometer is coupled to a tip end of ... | 03/18/2003 |
| 6520025 | Pointing bar fatigue testing apparatus A pointing bar fatigue testing apparatus for fatigue testing upon various shapes of pointing bars includes a power source, a force feeding device and a pointing bar seat. The power source includes a motor and a rotation spindle extending upwardly. The for... | 02/18/2003 |
| 6494104 | Bend test for a wire harness and device for such a test The invention provides a method of simulating and estimating the minimum lifetime under repeated bending for a wire harness containing a plurality of electrical cables, by applying a compact and lightly equipped device. To this end, representative electri... | 12/17/2002 |
| 6439059 | Method of predicting bending life of electric wire or electric wire bundle A master curve indicating correlation between a bending life and a distortional change quantity of a wire is previously acquired. The master curve is acquired by repetitively bending a single wire and analyzing (CAE analysis with a computer or the like) a... | 08/27/2002 |
| 6299104 | Method and apparatus for evaluating parachutes under load A system and method for evaluating flexible structures such as textiles under load generally. A specific embodiment is shown for parachutes. A plurality of first sensors and second sensors are attached to the parachute on its canopy and suspension lines. ... | 10/09/2001 |
| 6298733 | Beam accelerometer An accelerometer includes a bottom leg, two side legs, a beam, two support strips, a mass, a loading column, and at least one resistor mounted on the beam. The two side legs extend upwardly from the bottom leg, and a lower end of each side leg is connecte... | 10/09/2001 |
| 6176122 | Cantilever unit and scanning probe microscope utilizing the cantilever unit A cantilever unit comprises a substrate and a self-detecting type cantilever attached to the substrate. The self-detecting type cantilever has a cantilever portion extending from the substrate and a probe tip depending from the cantilever portion and dete... | 01/23/2001 |
| 6050149 | Device for measuring bending strength of sheet material A device for measuring the natural bending strength of a sheet material, and for measuring the bending strength of a creased or scored portion of the sheet material, and for dynamically analyzing such test results. The device has a rotatable clamp, a load... | 04/18/2000 |
| 5959200 | Micromachined cantilever structure providing for independent multidimensional force sensing using high aspect ratio beams A micromachined structure providing for independent vertical and lateral deflection sensing. The structure uses high aspect ratio ribs which bend much more easily in one direction than in other directions (i.e., have a predominant direction of compliance)... | 09/28/1999 |
| 5945594 | Method and apparatus for the electrochemical inspection of galvanized cable and method and apparatus for predicting the corrosion life of galvanized cable undergoing mechanical fatigue A method and apparatus for examining the electrochemical kinetics occurring at the surface of a galvanized steel cable undergoing fatigue in the presence of a corrosive environment allows the prediction of the corrosion life of the cable. In one embodimen... | 08/31/1999 |
| 5911665 | Fatigue crack resistant liquid packaging pouch A polymeric film and method for overcoming the problem of "pinholes" created in filled pouches by the harmonic motion occurring during transport of the filled pouches. The polymeric film composed of from about 5% to about 95% by weight of a first polymeri... | 06/15/1999 |
| 5892157 | Apparatus for measuring the flexural stiffness of moved laminar-shaped material An apparatus for measuring the flexural stiffness of a moving laminar-shaped material web is disclosed that guides the material web over two stationary guide rollers and a deflecting roller. The deflecting roller rides on the material web and deflects the... | 04/06/1999 |
| 5847283 | Method and apparatus for the evaluation of a depth profile of thermo-mechanical properties of layered and graded materials and coatings A technique for determining properties such as Young's modulus, coefficient of thermal expansion, and residual stress of individual layers within a multi-layered sample is presented. The technique involves preparation of a series of samples, each includin... | 12/08/1998 |
| 5699274 | Panel performance test system The invention is a performance testing system, i.e., performance of a material under a load concentrated in a single area. The system is computerized and automatically applies a load to a panel to be tested, reads and records deflection of the panel witho... | 12/16/1997 |
| 5448917 | Apparatus for conducting fatigue tests using a conventional lathe device Apparatus is provided for conducting flexure tests on a rectangular test m. The apparatus includes a bearing apparatus, a support structure for supporting a beam for deflection, and a deflection guide for flexing the test beam at a predetermined point. T... | 09/12/1995 |
| 5424634 | Non-destructive flex testing method and means Describes a process for applying non-destructive cyclical mechanical stress to planar items in order to simulate the effects of cyclical thermal stresses. Latent defects are accelerated and screened early in a manufacturing process.... | 06/13/1995 |
| 5339677 | Hydraulic hose flex-impulse tester A hydraulic hose impulse tester capable of simultaneously testing multiple samples of hydraulic hose in a stationary-impulse condition and in a flexing-impulse condition in the same test environment. The tester eliminates varying extraneous factors which ... | 08/23/1994 |
| 5103677 | Method and apparatus for testing gap filler materials A system for testing the properties of a material used in sealing gaps between aircraft panels. The system includes a first device having a pair of interior plates positionable on opposite sides of a first specimen, a pair of intermediate plates located o... | 04/14/1992 |
| 5079955 | Method and apparatus for fatigue crack detection and propagation analysis A fatigue testing system subjects a test specimen to a rotary stress applied about an axis at one or both ends which is perpendicular to the axis of the test specimen. The stress applied may be selected from sinusoidal, random, impulse or a signal generat... | 01/14/1992 |
| 4979396 | Fatigue testing apparatus A pair of wire specimens supported within a transparent frame established by two sets of pulleys are interconnected between a common powered rotor and a pair of wire tensioning weights protectively enclosed by plastic sheathings. The wire specimens are si... | 12/25/1990 |
