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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8438745 | Pass/fail tape measure calibrator A tape measure calibrator includes a base with a slot with a pull reference surface and a push reference surface, the slot being configured to receive an end hook of a tape measure. The base also includes a pull calibration band on the base with a centerline of the ... | 05/14/2013 |
| 8336219 | Apparatus and method for calibrating a scanning head A method of calibrating a measurement scale in a motorized scanning head using a reference artefact is described. The method comprises the step of rotating a surface sensing device, such as a scanning probe, mounted on the scanning head about at least one axis of th... | 12/25/2012 |
| 8266810 | System and method for quick and accurate tramming A system and method for quick and accurate tramming are disclosed. The system includes an apparatus comprising a plurality of indicators spaced apart in a plane perpendicular to a body shank and connected thereto, the body shank configured to be received into the sp... | 09/18/2012 |
| 8256126 | Tool holder for adapting a tool for its measurement and measuring arrangement and method for its calibration The present invention relates to a tool holder for adapting a tool to be measured in a measuring arrangement. Such tool holder can, for example, include a spindle or an adapter of a tool presetter to be inserted in such spindle. Furthermore, this invention refers to... | 09/04/2012 |
| 8132335 | Apparatus for checking the accuracy of a circular path of a machine tool performed by a work spindle and/or a machine table An apparatus for checking the accuracy of a circular path of a work spindle or a machine table, in particular an NC-controlled machine tool, includes a clamping element coaxial with the work spindle, a first rotary bearing disposed on the clamping element and coaxia... | 03/13/2012 |
| 8122610 | Systems and methods for improved coordination acquisition member comprising calibration information Apparatus, systems and methods for an improved probe for a coordinate measurement machine (PCMM) is disclosed herein. The probe comprises a machine readable unique serial number, which the PCMM can read from the probe to identify the probe and obtain information rel... | 02/28/2012 |
| 8065810 | Apparatus and systems for measuring elongation of objects, methods of measuring, and reactor Elongation measurement apparatuses and systems comprise at least two Linear Variable Differential Transformers (LVDTs) with a push rod coupled to each of the at least two LVDTs at one longitudinal end thereof. At least one push rod extends to a base and is coupled t... | 11/29/2011 |
| 8061052 | S-shape detection test piece and a detection method for detecting the precision of the numerical control milling machine The present invention relates to an “S” shaped detection test piece for comprehensively detecting the precision of the numerical control milling machine and the detection method thereof. The detection test piece consists of an “S” shaped equal thickness edge... | 11/22/2011 |
| 8051575 | Mounted scale bar A scale-bar artifact can include a base, a structural component, at least two nests disposed on the structural component and configured to receive a spherically shaped object having a center, and at least three mounting assemblies, each mounting assembly including a... | 11/08/2011 |
| 8024867 | Tape measure calibrator A tape measure calibrator includes a base with a first reference surface and a second reference surface. A pull calibration mark is made on the base which indicates a first distance from the first reference surface. A push calibration mark is also made on the base w... | 09/27/2011 |
| 7971364 | Device to monitor the position of an assembly containing nuclear fuel in a storage basket housing The invention relates to a monitoring device (20) of the position of an assembly containing nuclear fuel (4) in a housing of a storage basket (2). According to the invention, it comprises at least one mobile stop device (24, 26, 28) and a... | 07/05/2011 |
| 7908756 | Integrated calibration sphere and calibration step fixture for improved coordinate measurement machine calibration A method and apparatus for mounting a calibration sphere to a calibration fixture for Coordinate Measurement Machine (CMM) calibration and qualification is described, decreasing the time required for such qualification, thus allowing the CMM to be used more producti... | 03/22/2011 |
| 7905027 | Method and apparatus for probe tip diameter calibration A method for determining probe tip diameters with improved accuracy and reliability that includes performing a routine for determining probe tip diameter multiple times with the arm of the coordinate measurement machine in different machine positions. Diameter value... | 03/15/2011 |
| 7900367 | Differential calibration A method of calibrating a measurement probe (10) mounted on a machine is described. The measurement probe (10) has a stylus (14) with a workpiece contacting tip (16). The method comprises determining a probe calibration matrix that relate... | 03/08/2011 |
| 7841097 | Metrology apparatus Position measurement apparatus, such as hexapod co-ordinate measuring machine, is described that comprises a thrust frame and a metrology frame. The thrust frame comprises a load carrying base connected to a moveable platform by a plurality of powered extendable leg... | 11/30/2010 |
| 7823295 | Method for calibration of a measuring table of a coordinate measuring machine A method is disclosed which is suitable for the calibration of a measuring table (20) of a coordinate measuring machine (1). For this purpose, a mask (2) is deposited in a three-point support of the measuring table (20), wherein the mask ... | 11/02/2010 |
| 7788818 | Mesoscale hybrid calibration artifact A mesoscale calibration artifact, also called a hybrid artifact, suitable for hybrid dimensional measurement and the method for make the artifact. The hybrid artifact has structural characteristics that make it suitable for dimensional measurement in both vision-bas... | 09/07/2010 |
| 7712224 | Validating the error map of CMM using calibrated probe Validating the error map of a CMM using a calibrated probe including a stylus, the probe capable of rotation about at least one axis, includes placing a calibration artifact on a table of the CMM, the table having an upper surface in an XY plane; positioning a Z-ram... | 05/11/2010 |
| 7654007 | Method for improving the reproducibility of a coordinate measuring apparatus and its accuracy A method for improving the reproducibility of a coordinate measuring machine and its accuracy is disclosed. Using at least one measuring field of a camera, a plurality of images of at least one structure on the substrate are recorded. The substrate is placed on a me... | 02/02/2010 |
| 7640674 | Systems and methods for calibrating a portable coordinate measurement machine An articulated arm portable coordinate measurement machine (PCMM) can be calibrated or recalibrated using a coordinate measurement machine (CMM). In one method for PCMM calibration, the CMM can be moved to one position, and the PCMM moved to a contact position where... | 01/05/2010 |
| 7543393 | Method of calibrating a scanning system A method of measuring an object using a surface sensing device mounted on a coordinate positioning apparatus. The method has the steps of measuring a single surface point of a feature of the object with the surface sensing device, moving the surface sensing device a... | 06/09/2009 |
| 7386408 | Parallel kinematic machine, calibration method of parallel kinematic machine, and calibration program product A parallel kinematic machine has a parallel kinematic mechanism including an end effecter and a parallel link mechanism. A numerical control device controls a position and orientation of the end effecter based on kinematics of the parallel kinematic mechanism. A pos... | 06/10/2008 |
| 7356937 | Method for calibrating parallel kinematic mechanism, method for verifying calibration, program product for verifying calibration, method for taking data, and method for taking correction data for spatial posturing correction A calibration method is provided for calibrating a parallel kinematic mechanism that has an end effecter. The method includes setting an adjustment tool attached to the end effecter in predetermined postures in a reference coordinate system by taking coordinates of ... | 04/15/2008 |
| 7351129 | Ballbar equipment A ballbar is used to assess the accuracy of relative motion between an arbor and a table 4—of a machine tool. Mounting components are secured respectively to the arbor and the table-4. Each mounting component comprises a block that has provision on t... | 04/01/2008 |
| 7331094 | Method and device for positioning components to be joined together A device for positioning components to be joined together, such as car body components, is characterized by at least one movable central module and a plurality of arms, movable in space and connected thereto and which in each case have at least one holding element f... | 02/19/2008 |
| 7331115 | Vehicle compass compensation A compass compensation system is provided for automatically and continuously calibrating an electronic compass for a vehicle, without requiring an initial manual calibration or preset of the vehicle magnetic signature. The system initially adjusts a two axis sensor ... | 02/19/2008 |
| 7329868 | Charged particle beam apparatus It is an object of the present invention to obtain an image which is focused on all portions of a sample and to provide a charged particle beam apparatus capable of obtaining a two-dimensional image which has no blurred part over an entire sample. In order to achiev... | 02/12/2008 |
| 7318284 | Method of calibrating a scanning system A method of measuring an object with a coordinate positioning apparatus, comprises the following steps: placing the object within the working volume of the coordinate positioning apparatus; measuring the object with a workpiece contacting probe to create measurement... | 01/15/2008 |
| 7319466 | Method and apparatus for generating and interfacing with a haptic virtual reality environment A method for generating a haptic interactive representation including the steps of defining a haptic interaction space and building a hierarchical construct, for use within the haptic interaction space, using a plurality of underlying constructs. In one embodiment t... | 01/15/2008 |
| 7299556 | Method for checking or calibrating the angle-dependent alignment of a high-precision test-piece The invention related to a method for checking or calibrating the angle-dependent alignment of a reference structure on a high-precision test-piece. After arrangement of the test-piece on a retainer piece, a pre-alignment of an optical unit and/or the reference stru... | 11/27/2007 |
| 7296955 | Device for examining the precision of a circular path which is to be executed by a working spindle The invention concerns a device for examining the precision of motion of a working spindle of an NC-controlled machine tool along a circular path for producing circular cylindrical surfaces on workpieces, comprising a first device part which can be coaxially mounted... | 11/20/2007 |
| 7290348 | Device for measuring circularity and cylindrical shape The invention provides a circularity and cylindrical shape measuring device that can decrease the measurement errors generated due to the weight of a measured workpiece. A circularity and cylindrical shape measuring device (10) is configured such that a rotat... | 11/06/2007 |
| 7292354 | Apparatus for photoelectric measurement of an original An apparatus for the photoelectric measurement of an essentially planar measurement original includes a photoelectric scanner and a positioning arrangement for the two dimensional movement of the scanner over the measurement original positioned on a supporting surfa... | 11/06/2007 |
| 7278222 | Method for measuring a program-controlled machine tool A method for measuring a program-controlled machine tool using a measuring sphere. According to this method the measuring sphere having known dimensions is positioned on a machine part. A sensing element installed in the machine is moved to a selected initial positi... | 10/09/2007 |
| 7275330 | Three axial displacement measuring apparatus Disclosed is a three-axial displacement measuring apparatus. The three-axial displacement measuring apparatus includes: a fixation grip fixed to one surface of a hanger supporting a structure to be measured; a universal joint connected to the fixation grip which is ... | 10/02/2007 |
| 7266903 | Method for correcting thermal displacement in a machine tool A thermal displacement correction method is provided, including the steps of presetting coordinate data for a fixed position of a workpiece on a table, finding an amount of displacement of the fixed position of the workpiece at a current cutting edge position based ... | 09/11/2007 |
| 7258013 | Device and method to measure a bearing system A device to measure a fluid dynamic bearing system, particularly the inside diameter of the bearing bore of a bearing sleeve or the outside diameter of a shaft using a sensor element. A capacity acting sensor element is used to determine, for example, the inside dia... | 08/21/2007 |
| 7254506 | Method of calibrating a scanning system A method of measuring an object on a coordinate positioning apparatus. A first object is placed on a coordinate positioning apparatus and measured with a workpiece contacting probe to create measurement data. The measurement data is collected at multiple stylus defl... | 08/07/2007 |
| 7249420 | Slider device and measuring instrument A slider device includes a base (200), a running head (300) slidably provided on the base (200), a main guide mechanism (410) for guiding in a first direction in which the running head (300) runs, and sub-guide mechanism (450 | 07/31/2007 |
| 7234216 | Method for support control in machine tools Method for support control in machine tools where it is controlled whether an object is arranged correctly on a support surface in the machine tool, where a duct system is used which ends in the support surface, and conducts a medium, and can be pressurized, the fin... | 06/26/2007 |
