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| Number | Title | Issue Date |
| 7469479 | Method for measuring tracks The invention relates to a method for measuring tracks in relation to a measuring plan of the track which contains the actual position of the track, in relation to an absolute coordinate system. A measuring platform (2) is guided along the track (1), w... | 12/30/2008 |
| 7428778 | Method and a system for inserting elements in the ground, a data recording medium for the method A method of inserting a preceding element and then a following element in the ground, along a calculated path, in order to construct a work, the method including: a step of determining an absolute positioning error of a preceding element relative to the nominal posi... | 09/30/2008 |
| 7392595 | Device for measuring the roundness of a railroad wheel A measuring device on at least one rail of a railway track for measuring the roundness of an individual railway vehicle wheel during running thereof on the rail as a difference of the circumferential radius of the wheel flange top and the radius of the running tread... | 07/01/2008 |
| 7360318 | Apparatus for aligning female connector in fixture for use in reconditioning of articulated connector An apparatus for aligning a female articulated connector while it is still mounted to the end structure of a rail car in a reconditioning fixture is disclosed. The apparatus is a centering tool having a generally annular cylindrical arc shape for placement against t... | 04/22/2008 |
| 7325316 | Device and method for inserting elements into the ground, mechanism for this device and system using this device A device for inserting elements into the ground in order to carry out works includes a positioning mechanism. The positioning mechanism includes an upper panel which is fixed to the chassis of a vehicle for transporting the insertion device, a movable plate to which... | 02/05/2008 |
| 7254896 | Inner bearing split axle assembly A split axle assembly for obtaining gage measurements of a track including a first wheel with a first split axle, a second wheel with a second split axle, a first bearing for rotatably receiving the first split axle, and a second bearing for rotatably receiving the ... | 08/14/2007 |
| 7228747 | Device for detecting rail movement A device for holding a transmitter and a receiver for detecting a deformation state of a component. The device includes a first holding part and a first receptacle, the transmitter being disposed on the first holding part via the first receptacle, wherein the first ... | 06/12/2007 |
| 7181851 | Method of tracking a track geometry In a method of tracing a track geometry immediately ahead of a ballast pick-up device of a cleaning machine in a working direction, a first and a second measuring chord are guided on the track by a respective front and rear end point. A versine measured by a first v... | 02/27/2007 |
| 7171759 | Method and apparatus to accurately measure the angular orientation of two surfaces A method and apparatus are disclosed to measure the angular orientation of two surfaces. The device consists of two frames which are aligned to the surfaces. A continuous string is routed between the frames and put under tension. A position indicating instrument on ... | 02/06/2007 |
| 7152330 | Device and method for monitoring the state of the sub-structure of fixed tracks Device for monitoring the state of the substructure of fixed tracks, especially in the transition region of substructure supporting plates, measuring bolts, which, in vertical recesses, pass freely through the track plate above, being fastened at the ends of the sub... | 12/26/2006 |
| 7036232 | Apparatus for monitoring the rails of a railway or tramway line A laser apparatus for monitoring the rails of a railway or tramway line, characterized by comprising at least two measurement units mounted on a railway or tramway carriage and operating at last on the inner part of the two rails, along with said carriage is made to... | 05/02/2006 |
| 7003894 | Surface profile measurement, independent of relative motions A general method is disclosed for using distance sensors to measure the surface profile and twist of objects, even in the presence of rigid-body motions in the measurement directions between the surface and the sensors. The method involves making multiple sequential... | 02/28/2006 |
| 6935039 | Quilt swag decoration template set and method Quilt swag decoration template set (10) includes adjustable tracing pattern template (15) for creating a shape of predetermined length for marking and cutting out swag pieces (120) and adjustable placement template (45) for marking the lo... | 08/30/2005 |
| 6725782 | Railroad test vehicle comprising a railroad measurement axle suspension A railroad test vehicle extending in a longitudinal direction comprises a measurement axle comprising two flanged wheels rotatable about a measuring axis extending transversely to the longitudinal direction and adapted to run on two track rails. A cross member exten... | 04/27/2004 |
| 6634112 | Method and apparatus for track geometry measurement A method and apparatus for measuring the geometry of a rail for a railroad track which includes mounting first and second cameras in back to back relationship to create a single camera axis passing through the camera lenses and to define a coordinate syst... | 10/21/2003 |
| 6588114 | Measuring pump device A light weight compact device used in a rail road track maintenance organization carried by a track inspector to measure the vertical difference in track or rail of the track under normal operating conditions of trains which does not obstruct the travel o... | 07/08/2003 |
| 6564467 | Railway wheel monitoring During use, a wheel of a railway vehicle may become out of round, which will be detrimental to both the vehicle suspension and the railway track. The shape of such a wheel may be monitored to detect any such out of roundness, while the wheel is rolling, b... | 05/20/2003 |
| 6505406 | GUIDE METHOD FOR GUIDING A DEVICE THAT IS DESIGNED TO INSERT ELEMENTS INTO THE GROUND IN ORDER TO MAKE A STRUCTURE, AND A DEVICE FOR INSERTING AT LEAST ONE ELEMENT INTO THE GROUND USING SUCH A GUIDE METHOD A guide method for guiding a device that is designed to insert elements into the ground in order to make a structure. The method includes the steps of: establishing topographical points and determining the coordinates of these points in an X, Y, Z frame o... | 01/14/2003 |
| 6415522 | Vehicle for measuring the geometric condition of a railway track A measuring vehicle (V) allows the geometric condition of a railway track to be measured in relation to its theoretical configuration. In comprises a rigid chassis (9) making up the measuring base, supported by runners (10, 11,12) and a probing device (13... | 07/09/2002 |
| 6292997 | Pre-plating of wooden railroad ties Methods are disclosed by which wooden railroad ties are pre-plated prior to use in constructing and/or repairing railroad lines. Methodology disclosed comprises placing two plates on top of each of a succession of wooden ties, temporarily positioning disc... | 09/25/2001 |
| 6272759 | Sideframe wheelbase gauge A gauge is provided that is useful in measuring the horizontal wheelbase of a railway freight car truck sideframe. The gauge itself is comprised of a main horizontal body section usually of a single piece of aluminum bar stock. A stationary depending leg ... | 08/14/2001 |
| 6230417 | Level crossing adjusting device The gauge and cess panels (3, 4) of a level crossing creep apart lengthwise of the track (1, 2) and need closing up again from time to time. A device (5, 24) for this consists of a member (8, 26) that engages under or over a rail (1) and has a portion (10... | 05/15/2001 |
| 6205946 | Earthen material integrity sensing device A sensing device and sensing process is described for indicating movement of earthen material adjacent a structure. The preferred device includes a tubular frame including a top end and a bottom end. An anchor is configured to suspend the frame from the s... | 03/27/2001 |
| 6154973 | Method for correcting the track geometry of a track A method for correcting the track geometry of a track, includes measuring an initial track position of the track following lifting of the track and tamping under the track, and so computing a final desired track position as to eliminate long-wave alignmen... | 12/05/2000 |
| 6119353 | Method and apparatus for non-contact measuring of the deflection of roads or rails Equipment for non-contact measurement of the deflection of a road (2) comprises a self-propelled vehicle with a load (7) which influences at least one wheel (4), the speed of which is measured in the direction of travel. The equipment further comprises a ... | 09/19/2000 |
| 5987979 | Method and apparatus for detecting railtrack failures by comparing data from a plurality of railcars A technique for monitoring anomalies in a railway system 400 to predict a future track behavior. The technique uses a motion sensor 207, 209 operably coupled to a chassis of a rail car 101 to detect a possibility of an event which may correspond to an ano... | 11/23/1999 |
| 5930904 | Catenary system measurement apparatus and method Apparatus and method for measuring height and stagger of a railway catenary is disclosed. The apparatus comprises a platform supported on the track having a distance measuring means mounted on a traversing means for angular or lateral displacement of the ... | 08/03/1999 |
| 5848476 | Manual clamping device for measuring railway track alignment and profile A manual apparatus for facilitating railway track alignment and/or track profile measurements. The tool consists of two fastening units, each having a cord positioner designed to engage the rail head and to properly place a cord for measuring, a reel for ... | 12/15/1998 |
| 5791063 | Automated track location identification using measured track data A method and apparatus is provided for accurately locating a train or a track repair vehicle along the track, or to locate accurately a track defect. When measuring track geometry, i.e. gage, cross level, warp, the measuring device moves foot by foot alon... | 08/11/1998 |
| 5720110 | Configuration for detecting gaps in a conductor rail for electric rail vehicles being fed through conductor rails A configuration for detecting gaps in a conductor rail for electric rail vehicles being fed through conductor rails, includes a proximity switch. A component of a current collector can be pressed against an activation element of the proximity switch if a ... | 02/24/1998 |
| 5678963 | Method for truing sets of rail vehicle wheels by chip removal and under-floor machine for performing the method Wheels of rail vehicles are trued while the wheels are kept rotating about a wheel center of rotation that is continuously corrected to keep the center of rotation in a fixed position in response to eccentricities a wheel may have, especially in its outer... | 10/21/1997 |
| 5660470 | Rail mounted scanner A housing having a base having a cavity within which a temperature scanner module may be mounted and which is readily clamped to a rail of a railroad track so that a scanner may detect an over-heated wheel or wheel bearing. The base includes a rail clamp ... | 08/26/1997 |
| 5577690 | Microwave measurement of train wheel wear A method and apparatus for measuring circumferential characteristics of train wheels for potential indication of train wheel wear that includes at least one microwave transceiver disposed adjacent to a section of train track and oriented to transmit micro... | 11/26/1996 |
| 5519944 | Straightness measuring device A device for measuring the straightness of a conductive object includes a plurality of capacitive distance sensors which are aligned along an axis of a ruler to be placed on the object. Circuits are provided for indicating the measurements provided by eac... | 05/28/1996 |
| 5353512 | Measuring arrangement for continuously measuring undulatory irregularities of a rail A measuring arrangement (2) for continuously measuring undulatory irregularities in the running surface (4) of a rail (5) of a track (6) comprises a measuring trolley (1) having flanged wheels (8) which are able to roll on the track (6) and a trolley fram... | 10/11/1994 |
| 5351411 | Apparatus for the scanning of a profile and use hereof An apparatus (1) for the scanning of a profile, e.g. the cross-sectional profile of a train wheel (2,3), comprises a stationary part (11) which supports a first arm (22) and a second arm (23), the ends of said arms being coupled together by means of angle... | 10/04/1994 |
| 5203089 | Railroad vehicle for measuring the geometrical parameters of railroad track The invention relates to a railroad vehicle for measuring the parameters of a railroad track, characterized by the presence of third axles (13 and 23) with independent wheels and disposed between the main axles (11 and 12; 21 and 22) of the bogies (10 and... | 04/20/1993 |
| 5199176 | Apparatus for the non-contact measurement of a track gage Apparatus for the non-contact measurement of the gage of a track comprises a machine frame equipped with undercarriages supporting the machine frame for mobility on the track and a wheel axle having wheels running on the track rails, and an optical sensor... | 04/06/1993 |
| 5189798 | Alignment gauge An alignment gauge to facilitate the measurement of welded joints and the alignment of elongated structures including beams, pipes, rails, such as train rails and trolley car rails. The alignment gauge has five basic components, a base, an upright member ... | 03/02/1993 |
| 5161312 | Machine for monitoring the vertical position of a contact wire of an overhead line In a machine for monitoring the vertical position of a contact wire of an overhead line extending above a track, which comprises a self-propelled machine frame including a superstructure, an undercarriage supporting the machine frame on the track and havi... | 11/10/1992 |
