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| Number | Title | Issue Date |
| 7578239 | Methods of replacing railway half ties The invention provides a method of removing half ties from vaults in a railway bed, including detaching a section of rail from one or more of the underlying half ties of the railway bed. A section of rail may be elevated above the railway bed. In the alternate, the ... | 08/25/2009 |
| 7571681 | Apparatus and method of railroad tie replacement Disclosed is a method and apparatus for the simultaneous removal of an old railroad tie that is part of an existing railroad tie with a new railroad tie. The apparatus includes a first railroad car that places a new tie adjacent to the existing railroad track, a sec... | 08/11/2009 |
| 7481168 | Off-track railroad track undercutter apparatus An undercutter apparatus for scooping out contaminated gravel from beneath railroad tracks is designed for use off of the rail road tracks. It can be used when the grade of the ground adjacent to the railroad tracks is quite different from the grade of the railroad ... | 01/27/2009 |
| 7363671 | Method of moving a component underneath a bridge assembly with a cable A method of using a cable to move a component underneath a bridge assembly. The bridge assembly includes an access area through which the connection between the component and the cable may be moved. The method includes connecting the component to the cable, using th... | 04/29/2008 |
| 7320202 | Stacking of lumber pieces An apparatus for picking, conveying, stacking and bundling lumber pieces from the ground for example for removing stacked support lumber during laying of a pipe line comprises a tracked vehicle to which is attached a frame carrying a transport conveyer along the sid... | 01/22/2008 |
| 7258069 | Laterally adjustable nipper-clipper assembly and method of operating a laterally adjustable nipper-clipper assembly A nipper-clipper assembly for lifting railroad ties and installing clip assembly springs to couple rails to a tie. The ties are disposed below the rails and extending in a lateral direction relative to the longitudinal rails. The nipper-clipper assembly includes a m... | 08/21/2007 |
| 7162327 | Method and apparatus for adaptive coordinated distribution of materials in railway maintenance and other applications A method of distributing railroad ties or other materials in variable quantities at randomly spaced intervals. GPS coordinates are recorded for individual use locations where ties or materials are required. From the coordinates of these use locations, drop locations... | 01/09/2007 |
| 7013520 | Method for positioning a pile cap underneath an existing elevated bridge assembly A system and method for inserting pre-cast concrete pile caps under wooden railroad bridges without removing essential load bearing rails, cross-ties, and stringers is disclosed. The system and method minimizes the time that the track is closed to normal rail traffi... | 03/21/2006 |
| 6863717 | Plate handling system and a method of removing plates from rail ties A rail plate handling device is provided for removing plates located on rail ties on a railroad track having a pair of rails, and includes a frame configured for movement relative to the track, at least one tie plate gripping assembly mounted to the frame, the assem... | 03/08/2005 |
| 6799520 | Panel truck for changing a railway section and a point work A laying machine is provided for repair and construction of railway tracks. The laying machine includes a frame, railway trucks, upper and lifting mechanisms for lifting and laying switches and railway sections, two rods connected at the lower part of the frame, and... | 10/05/2004 |
| 6792870 | Machine for removing an old track and laying a new track In a machine for removing an old track and laying a new track, which comprises a device for receiving old ties, a first conveyor device arranged adjacent thereto for conveying the old ties away from the device for receiving the old ties, and a second conveyor device... | 09/21/2004 |
| 6755135 | Combined tie extractor and plate remover for rail maintenance A combined tie extractor and plate remover for railroad track maintenance includes a frame configured for movement along the track and having a first side corresponding to a first side of the track and a second side corresponding to a second side of the track, each ... | 06/29/2004 |
| 6698358 | Machine for picking up ties of a track A machine picks up ties from a ballast bed of a track while advancing continuously in an operating direction. A machine frame carries a tie transport unit onto which a tie pick-up device transports the ties. The pick-up device has tie skids immersed in th... | 03/02/2004 |
| 6655296 | Method of renewing damaged ties of a track Prior to renewing a damaged tie of a track, a fastening element (35) is inserted into an anchoring hole (49) in both portions of the base plate (39), disposed respectively adjacent to the rail base (52), and has a contact nose (51) for abutment against th... | 12/02/2003 |
| 6640726 | Machine for removing ties of a track A machine for continuously removing old ties of a railroad track supported on a ballast bed includes a machine frame extending in a longitudinal direction along the track. Undercarriages support the machine frame for mobility in an operating direction. An... | 11/04/2003 |
| 6591755 | Method of renewing ties of a railroad track, and installation for removing and storing damaged ties In a method of renewing ties of a railroad track extending in a longitudinal direction and including a succession of ties supported on a ballast bed, damaged old ties are comminuted either before removal from the track or after removal of the track and su... | 07/15/2003 |
| 6575099 | Railway tie insertion guide A railway tie insertion system includes a guide plate having an easily adjustable height, and in many embodiments including a pair of side guides. The tie plate extends for substantially the entire distance between the rails, thereby minimizing the escape... | 06/10/2003 |
| 6477960 | Machine for removing an old track and laying a new track A machine for removing an old track and laying a new track includes a machine frame extending in a longitudinal direction and supported by undercarriages for mobility in an operating direction. A tie laying device for laying new ties is mounted on the mac... | 11/12/2002 |
| 6474241 | Machine and method for removing an old track and laying a new track A machine for removing an old track and for simultaneously laying a new track on a ballast bed, which comprises a first tie transport apparatus for receiving the old ties, and a second tie transport apparatus for delivering new ties and laying the new tie... | 11/05/2002 |
| 6463858 | Rail tie replacement method and apparatus A rail tie replacement apparatus that includes a frame having a first side associated with a first side of a railroad track, and a second side associated with a second side of a railroad track; gripping mechanisms disposed on each of the sides of the fram... | 10/15/2002 |
| 6450101 | Machine for renewing a track A track renewal machine includes an elongate machine frame supported by undercarriages on the track and having front and rear frame parts connected by a frame joint. In an upper region, the frame parts are interconnected by a drive by which the frame part... | 09/17/2002 |
| 6209462 | Machine with ballast scarifying device A crib ballast clearing machine comprises a machine frame supported on undercarriages adapted to support the machine frame on a track comprised of rails fastened to ties defining cribs therebetween, and a ballast scarifying device comprising a revolvable ... | 04/03/2001 |
| 6170401 | Rail vehicle for use in the collection and distribution of railroad crossties A railway maintenance vehicle exchanges worn crossties for new ones. Worn ties are collected and placed on an increased capacity storage car which permits ties to be placed atop the storage cars in a lateral orientation. New ties are simultaneously unload... | 01/09/2001 |
| 6158353 | Method of performing a tie replacement operation Before replacing an old tie with a new tie in a railroad track, the associated tie plates are temporarily welded to the respective rail bases of the two rails with the aid of an old rail spike. As soon as the new tie has been inserted under the track, rai... | 12/12/2000 |
| 6112670 | Tie ejection apparatus for use with a railroad crosstie distribution vehicle A tie ejector distributes new ties to be installed along a railway track, from a tie distribution car of a rail carried tie exchange vehicle. New ties are moved from a gondola cars to a conveyor at the rear of the tie distribution car leading to the tie e... | 09/05/2000 |
| 5722325 | Tie guide and plate holding apparatus An apparatus grips tie plates and guides new ties during replacement of worn out ties in the road bed of a railroad track. Mechanical grip elements grip tie plates and secure them against the rail, while an old tie is removed and a new tie is inserted. A ... | 03/03/1998 |
| 5651317 | Railroad tie exchanger attachment A tie exchange attachment for removing and installing track and switch ties having a clamp for gripping the ties for removal and insertion. Rail clamps are used to lift rails during removal and installation. A kicker is used to break the tie loose. The ra... | 07/29/1997 |
| 5649490 | Apparatus for supporting and raising auxiliary rail wheels on a vehicle The subject invention is an improved apparatus structured and adapted to support rail wheels on an over-the-road vehicle that is adapted accordingly to ride over railroad rails as well as over the ground on roadways, such apparatus being adapted to suppor... | 07/22/1997 |
| 5617795 | Tie guide and plate holding apparatus An apparatus grips tie plates and guides new ties during replacement of worn out ties in the road bed of a railroad track. Mechanical grip elements grip tie plates and secure them against the rail, while an old tie is removed and a new tie is inserted. A ... | 04/08/1997 |
| 5528991 | Apparatus and associated methods of laying track Track laying apparatus and associated methods are provided for installing rails on blocks. In a preferred embodiment, a track laying apparatus has an installation portion for installing the blocks to the rails at predetermined lateral and longitudinal spa... | 06/25/1996 |
| 5467717 | Work train for exchanging old ties for new ties A work train for exchanging old ties for new ties and comprising sequentiy arranged cars including freight cars for storing old ties and new ties, the train extending in a longitudinal direction and the cars being movable in an operating direction along ... | 11/21/1995 |
| 5305692 | Truck mounted tie exchanger with self-aligning tie clamp A tie exchanger assembly is mounted upon a truck and is used for removal and insertion of ties in a railroad roadbed. A boom is mounted to a rail clamp table which is vertically movable between an upper stored position and a lowered operable position. The... | 04/26/1994 |
| 5197389 | Tie replacer A tie replacement vehicle uses a tie feed arm to turn ties upon the main frame of the vehicle upside down such that they may be gripped by a tie inserter having a boom mounted below the main frame of the vehicle. The tie inserter has a tie clamp which may... | 03/30/1993 |
| 5193461 | Tie exchange machine with a tie exchange device which both removes old ties and inserts new ties A machine for exchanging old ties of a railroad track for new ties comprises a machine frame supported by undercarriages for mobility along the track, a longitudinally, vertically and transversely displaceable tie exchange device connected to the machine ... | 03/16/1993 |
| 5125345 | Tie exchange machine A machine for exchanging old ties of a railroad track for new ties comprises a machine frame supported by undercarriages for mobility along the track, a longitudinally, vertically and transversely displaceable tie exchange device connected to the machine ... | 06/30/1992 |
| 5119723 | Apparatus for removing or installing railroad ties with 360 degree rotatable tie holding member The subject invention is an improved apparatus adapted to facilitate the installation of railroad ties, either by automatic or semi-automatic members. The apparatus incorporating the features of the subject invention comprises, in general, a pair of later... | 06/09/1992 |
| 5063856 | Machine for picking up tie plates A machine for picking up and storing tie plates of a railroad track comprises the combination of a machine frame, two vertically adjustable tie plate pick-up devices transversely spaced from each other on the machine frame, the tie plate pick-up devices b... | 11/12/1991 |
| 5048424 | Tie replacer and method A vehicle for replacing selective ties in a road bed uses a conveyor system whereby ties may be picked up from on top of the rails. If the ties are to be used by the particular vehicle, they may be held by that vehicle. On the other hand, the conveyor sys... | 09/17/1991 |
| 5025733 | Railroad support tie replacement device with track locking device A railroad tie replacing device (10) including a support frame (11) on rollers (22) for movement over a series of parallel railroad tracks (28) supported by railroad ties (29). A main piston or cylinder (15) is positioned such that the stroke of the pisto... | 06/25/1991 |
| 4979247 | Railroad track renewal train The train comprises transport vehicles (16) for the new (T1) and old (T2) ties, followed by a storage vehicle (12) for the ties, a railroad car (1) as a dismantling car, articulated to the storage vehicle (12), and a laying unit (17) constructed in a mann... | 12/25/1990 |
