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| Number | Title | Issue Date |
| 8176794 | Unmounted head gimbal assembly clamping plate An apparatus and associated method for non-permanently fixturing an unmounted head gimbal assembly (UHGA). A backing plate has a planar body defining a plurality of contact points, and a lip extending from the body that is operably alignable with the UHGA so that a ... | 05/15/2012 |
| 8176795 | Apparatuses for prestressing rod-type specimens in torsion for in-situ passive fracture toughness testing in an extremely high-pressure environment of hydrogen An in-situ specimen fixture particularly adapted for prestressing rod-type SNTT-type specimens comprising a tube and end cap wherein the specimen is secured at one end to the tube, and at the opposite end to the end cap. The end cap is rotatable relative to the tube... | 05/15/2012 |
| 8151650 | Tuning of materials testing machine In a method of operating a material testing machine for testing a specimen, the machine has an electrically controllable actuator arranged to apply a force to the specimen. The method includes inputting a single adjustable parameter value, calculating all necessary ... | 04/10/2012 |
| 8127621 | Locking mechanism with acoustic barrier for mounting a sensor on a pipe This invention relates to a device for mounting in a fixed mounted frame (7) on a subsea pipe comprising a locking device comprising a sensor housing (6), a spring (2) surrounding the sensor housing (6), at least one wedge (1) plac... | 03/06/2012 |
| 8096191 | Mechanical test fixture with submicron tolerance The mechanical test apparatus is a fixture utilizing capacitive gauge sensors, located in close proximity to a test specimen, to measure strain in miniature specimens. The upper collar is connected to the upper bolt which is connected to the cross head of the mechan... | 01/17/2012 |
| 8087302 | Hands-free push-to-talk device A push-to-activate device is disclosed. The push-to-activate device may comprise a mounting bracket coupled to a surface, and an adjustable hinge coupled thereto. The push-to-activate device may also feature a measuring instrument coupled to the mounting bracket and... | 01/03/2012 |
| 8082802 | Compact and stand-alone combined multi-axial and shear test apparatus A testing apparatus is disclosed that includes a turntable, an upper scissor jack assembly and a lower scissor jack assembly positioned in parallel planes, about a longitudinal axis and affixed to a base. The apparatus is powered by at least three motors with suppor... | 12/27/2011 |
| 8051721 | Shock sensor system and method A surface-mountable shock sensor configuration having substantially eliminated field calibration, comprising: a housing assembly; and a shock sensor replaceably mountable within the housing assembly, wherein the shock sensor configuration yields a repeatable shock r... | 11/08/2011 |
| 8042408 | Coupling system with a sensor and an evaluation unit The invention relates to a coupling system, a coupling arrangement, a method for mechanically coupling a coupling system and a method for measuring the mechanical loading of a coupling system. The coupling system according to the invention includes a first coupling ... | 10/25/2011 |
| 8006568 | Fixture for mechanical analysis of a hollow tube A test fixture for use with a Dynamic Mechanical Analyzer (DMA) restrains a hollow cylindrical tube for purposes of performing either a tensile or transverse/bending load test. The fixture includes a clamp that is configured to restrain the tube without imparting a ... | 08/30/2011 |
| 7938017 | Test bench and a method for testing wind turbine equipment The invention relates to a test bench for testing wind turbine equipment. The test bench comprises one or more load applying means directly and/or indirectly applying load to the equipment, drive means of the test bench for rotating an input shaft of the equipment a... | 05/10/2011 |
| 7913574 | Universal spherical tension adapter A tension adapter is disclosed for a materials testing machine. The tension adapter includes a shank and a sleeve. The shank includes an enlarged head with a machined convex spherical bearing surface which forms a ring around the periphery adjacent to one end of the... | 03/29/2011 |
| 7913573 | Orthopedic simulator with a multi-axis slide table assembly An orthopedic simulator including a holder assembly and a slide table is disclosed. The holder assembly is configured to hold a test specimen to supply test loads. In the embodiment shown, the slide table is coupled to the holder assembly and includes a plurality of... | 03/29/2011 |
| 7908929 | Test apparatus One embodiment of a testing device is disclosed having an expansible element that expands radially outwardly upon the application of an axial force. In one form the testing device includes two bellows forming a deflection surface that expands radially outward upon t... | 03/22/2011 |
| 7891254 | Device and method for providing strain measurements of insulated pipes This disclosure provides methods and apparatuses to monitor strain in a steel pipe with reduced or eliminated disruption of the insulative and anti-corrosive layers or coatings that cover the pipe. The methods and apparatuses can include an attachment scheme that is... | 02/22/2011 |
| 7819019 | Wind turbine testing system A wind turbine testing system is disclosed for testing at least a part of the nacelle components of a wind turbine system when mounted on a load carrying structure of a nacelle, said wind turbine testing system comprising a test bench being arranged to hold said loa... | 10/26/2010 |
| 7793553 | Specimen grip, having a grip shell, for use in a materials testing machine A specimen grip assembly which can be used with a relatively light-weight jaw in a materials testing system. The specimen grip assembly illustratively contains a grip shell and a pair of wedge-shaped specimen grips. The shell has a truncated, frusto-pyramidal exteri... | 09/14/2010 |
| 7784356 | Inspection systems and methods for multi-segment products Inspection systems and methods for their use comprise: a movable carrier with spaced receptacles, each sized to accept a sample; a first pin positioned proximate to the movable carrier and connected to a first movable member capable of reciprocally moving the first ... | 08/31/2010 |
| 7770467 | Fixture for mechanical analysis of a hollow tube A test fixture for use with a Dynamic Mechanical Analyzer (DMA) restrains a hollow cylindrical tube for purposes of performing either a tensile or transverse/bending load test. The fixture includes a clamp that is configured to restrain the tube without imparting a ... | 08/10/2010 |
| 7762146 | Multiple point attachment system for specimen loading or deformation Stresses or deformations can be applied to a specimen, by at least one carrier having a number of flexible fingers extending therefrom, the fingers being securable to the specimen at spaced-apart locations, the carrier typically being attached to a motion-control an... | 07/27/2010 |
| 7712379 | Uniaxially-driven controlled biaxial testing fixture A uniaxially-driven controlled biaxial testing fixture includes a base, a first coupler mounted to the base, and a load input drive rack mounted for linear movement with respect to the base. A second coupler and a first specimen grip are both mounted to the load inp... | 05/11/2010 |
| 7703335 | Load test system A load test system includes a test bed frame which extends horizontally along a first axis and includes two rolling beams moveably mounted securely in the test bed frame for being moved to desired position. The rolling beams have plural attachment locations for atta... | 04/27/2010 |
| 7694583 | Gripper gage assembly A gage and gripper assembly for directly measuring characteristics of a workpiece. The assembly is adapted to be attached to a transfer mechanism, such as a robot arm, and includes a head having a gripper and a gage. The gripper is adapted to lift and hold the workp... | 04/13/2010 |
| 7681459 | Multi-scale & three-axis sensing tensile testing apparatus A tensile testing apparatus is provided, and generally includes an X-Y automated stage, and a first specimen holder for holding and transferring force to a specimen to a first portion of a specimen. The first specimen holder is operatively supported by the X-Y autom... | 03/23/2010 |
| 7677111 | Portable test lever for testing a tractive capacity and/or an acceleration behavior of a cable-operated lift A portable test lever including a load arm and a force arm for efficient examination of the tractive capacity and/or an acceleration capacity of a lift. The test lever includes an integrated measuring value sensor, at least one cable receptacle arranged on the load ... | 03/16/2010 |
| 7673522 | Force-reduced measuring method for traction drives, particularly friction pulley drives for elevators The invention relates to a test lever system (1) for monitoring the traction behavior of a transport system (2), particularly an elevator system, comprising a test lever (8) which consists of a load arm (14) and a force arm (13). A... | 03/09/2010 |
| 7665367 | Method and apparatus for measuring shape of heat treatment jig A method for measuring the shape of a heating treatment jig to be held by a holding portion of a vertical heat treatment apparatus includes measuring the shape of the heat treatment jig in a state that the position of a supporting portion for supporting the heat tre... | 02/23/2010 |
| 7661322 | Piezoelectric sensor device with sensor housing and holder for holding a piezoelectric sensor element A piezoelectric sensor device, especially for use with a microbalance, with a sensor housing and a holder for holding a piezoelectric sensor element. In order to permit quick exchange of crystals and to minimize the size of the assembly, the holder is configured as ... | 02/16/2010 |
| 7654150 | Specimen containment module for orthopedic simulator An orthopedic simulator, such as a spinal implant wear test machine, is provided with a specimen containment module that may be removed from the machine as a unit. The releasable attachability of the specimen containment module permits remote specimen installation a... | 02/02/2010 |
| 7644630 | Gearbox simulation test bench The invention relates to a test bench that reproduces the performance of a gearbox. The invention consists of: at least one gearshift module (2) comprising a linear motor (12) and a ball joint (14) that can be used to convert a linear motion of ... | 01/12/2010 |
| 7624648 | System and method for multi-axes simulation A multi-axis fatigue testing device includes a multiple input, multiple output mechanical linkage driven by a plurality of actuators and a controller operating each of the plurality of actuators in real time and in synchronization to produce user-defined multiple fa... | 12/01/2009 |
| 7591190 | Test stand A test stand (10) for testing hoists (16) includes a test frame (12) and a tensioning device (14) to apply a tensile load to the hoist (16) being tested. The hoist (16) is connected to the test stand (10) at two conne... | 09/22/2009 |
| 7584671 | Apparatus for testing the load bearing strength of an architectural structure An apparatus for testing the load bearing strength of an architectural structure includes a top holding assembly, a hydraulic cylinder, a bottom holding assembly, and a bracing member. The hydraulic cylinder is disposed below the top holding assembly, and has a top ... | 09/08/2009 |
| 7574923 | Method and system for standardized classification of undergarments The clamps of the present invention are initially placed apart with a specific separation to properly hold the garments in the constant rate of expansion (CRE) machine. The test method preferably uses panties that have been prepared according to specific test criter... | 08/18/2009 |
| 7568397 | Magnetic stability for test fixture A test machine for testing the tension or compression properties of a test specimen is provided. The test machine utilizes magnetic force to prevent the fixture of the machine from rotating while placing the test specimen in tension or under compression, which accor... | 08/04/2009 |
| 7559255 | Connection element A connection element and a method for positioning a magnetic field sensor suite into the zero line of a magnetic field is provided, the measuring of the force being achieved by a displacement between a magnet and the magnetic field sensor suite. The magnetic field s... | 07/14/2009 |
| 7552650 | Gripping fixture A gripping fixture suitable for use in stent securement testing is described. The gripping fixture includes a housing having a chamber, a rigid perforated tubular member positioned within the chamber, a multiplicity of radially extending pins arranged to slide in th... | 06/30/2009 |
| 7549345 | Method and apparatus for sensing distortion A work holder capable of measuring the amount of distortion occurring in a part as the part is machined, processed, treated, or otherwise operated upon and methods of using the same for quality control and process monitoring purposes. Indirect measurement of the dis... | 06/23/2009 |
| 7540201 | Crosshead design for universal testing machine The crosshead for a universal testing machine includes a interior face which is formed at angle to the front face which is typically about 17°. A wedge pocket is machined with walls perpendicular to the interior face, and therefore at an angle other than perpendicu... | 06/02/2009 |
| 7530277 | Measuring apparatus A measuring apparatus has a display unit that can be favorably viewed when a measured object is clamped by a clamp-type sensor regardless of the orientation and position of the measured object. The measuring apparatus includes a first main unit on which the clamp-ty... | 05/12/2009 |
