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| Number | Title | Issue Date |
| 7364123 | Self powered railway monitoring system A data gathering apparatus comprises a power generation device configured to generate power via movement of the rail. The data gathering apparatus further comprises a sensing device configured to receive power from the power generation device and to sense at least o... | 04/29/2008 |
| 7341226 | Movable point frog switching assembly A lost motion apparatus for adapting a typical in-tie switch machine, designed for use with interconnected switch points, to be used as an in-tie machine for moving the movable V-point of a movable point frog assembly. ... | 03/11/2008 |
| 7300023 | Machine for railway switching An in-tie machine for moving the movable elements of a switching device, such as the switch points of a switch point assembly or the moving V-point of a movable point frog, with a sliding device which selectively engages a control rod with either a fixed seat or a m... | 11/27/2007 |
| 7191986 | Device for mechanically and electrically checking the switching device of a railway switch machine In a device for checking the operation of devices (4) used to displace movable switch parts (2, 3), in which the movable switch parts (2, 3) are connected with each other by a coupling rod (13), the coupling rod (13) is comprised o... | 03/20/2007 |
| 7178764 | Device for operating rail switches In a device for operating rail switches, in which a plurality of mutually coupled hydraulic operating devices are arranged in an offset manner in the longitudinal direction of the rails, the cylinder-piston units of the hydraulic operating devices are connected to b... | 02/20/2007 |
| 7168662 | Hollow tie railroad switching assembly A switching assembly includes a pair of hollow ties, a pair of supports, and a linkage. The linkage extends generally through the hollow ties, whereby the cribs are generally free of linkage components, and the ballast in the cribs can be compacted with known automa... | 01/30/2007 |
| 7168663 | Point machine for movable frogs In a switch actuator for movable frogs (1), comprising at least one cylinder piston unit (5) having a defined preset piston stroke, the cylinder piston unit (5) is connected with bearings (6) capable of being displaced in the axial direct... | 01/30/2007 |
| 7135648 | End position detector for movable switch parts The invention pertains to an end position detector for movable switch parts (3) which comprises a rod assembly and a housing (12), into which the rod assembly penetrates and in which at least one sensor for sensing an end position of the rod assembly i... | 11/14/2006 |
| 7070152 | Sleeper-mounted railroad-switch actuator A railroad switch actuator has a transversely extending box sleeper having a pair of ends, adapted to be secured to a pair of longitudinally extending fixed rolling rails, and adapted to slidably support a pair of longitudinally extending and transversely shiftable ... | 07/04/2006 |
| 6290189 | Switching device for switch tongues In a point-operating device for pressing one tongue (28) against a stock rail (3) and for simultaneous pull-off of another tongue (29) from an opposite stock rail (4), the operability is improved when between the stock rails/tongues of a point, a moving d... | 09/18/2001 |
| 6270041 | Method for locking moveable point sections An apparatus for mechanically locking the end positions of movable point sections, with two adjusting rods (12, 14 ), each of which is connected with one of the point sections and which are coupled mechanically with one another, with at least one locking ... | 08/07/2001 |
| 6158698 | Hollow tie switch assembly A hollow tie assembly for rodding associated with moveable trackwork (such as in a switch or a moveable point frog) serves the function of a tie, houses and protects throw rods, lock rods and detector rods, is adapted to accommodate North American switch ... | 12/12/2000 |
| 5562267 | Cross-ties for railroad track systems A box sleeper (1), characterized by a steel box-like sleeper section member (5) which has a cross-sectional width (15) and a cross-sectional height (16) matching that of a normal concrete or wooden sleeper and has an open part (31) on top and is closable ... | 10/08/1996 |
| 4637578 | Railroad frog having movable wing rails A railroad frog has either a cast or rail-built point, resting on a baseplate which is fastened to ties. A pair of heel rails are attached to the point, to the ties and to traffic rails. A pair of movable wing rails extend from the toe of the frog to a lo... | 01/20/1987 |
