Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 5704570 | Welded nose rail used for crossing A nose type rail member for a crossing member applied to a turnout or wayside switch system on the ground for a train and the like, is made of high carbon steel material containing 0.70 to 0.82 wt. % of carbon. The rail member is constructed by a pair of ... | 01/06/1998 |
| 5620155 | Railway train signalling system for remotely operating warning devices at crossings and for receiving warning device operational information The present invention provides a signalling system for a railroad locomotive, providing the locomotive with the capability to signal its approach to upcoming railroad crossing signals in order for the crossing signals to activate lights, bells or similar ... | 04/15/1997 |
| 5596937 | Delayed motion drive for model railroad locomotives It is frequently observed that when a real locomotive starts up, the front set of drive wheels commences to turn before the rear set of drive wheels begins to turn. The present invention is a simple device that permits this effect to be simulated in a mod... | 01/28/1997 |
| 5564341 | Coupling assembly between two successive wagon structures and a common bogie An assembly for coupling to the same bogie the opposite ends of two successive wagon structures having a "V"-shaped front end (18) articulated on the bogie and an open rear end (13) consisting of two parallel arms (14, 15) has a pivoting cross member (26)... | 10/15/1996 |
| 5551653 | Method and device for the radio-frequency connection of active subsections of a radio-frequency transmission system If a vehicle fitted with a head station is to be mechanically and electrically coupled to other vehicles, attention must be paid to the alignment of the vehicles and the coupling condition of the high frequency plugs interconnecting the vehicles. In order... | 09/03/1996 |
| 5537932 | Railway truck bearing lateral thrust pads Lateral thrust pads mounted to stop members projecting from bearing housings of a railway truck opposite respective pedestals of the truck frame under constant, compressive, slidable contact with such pedestals to absorb lateral thrust loads upon relative... | 07/23/1996 |
| 5535947 | Embedded railway track system A pair of rails are secured on a plurality of perpendicularly disposed ties which rest on a ballast material. A gauge panel is disposed between the rails and has a top surface which is substantially the same height as the rails. Field inserts are position... | 07/16/1996 |
| 5533695 | Incremental train control system A train control system employs a series of wayside control units spaced along the track, each of which has responsibility for the control of trains in a corresponding local area and monitors track availability and signal status in its local area. Each way... | 07/09/1996 |
| 5531409 | Flange bearing bolted rail frog for railroad turnouts and crossings A bolted rail railroad frog designed to support a railroad wheel to roll through the frog on its flange rather than requiring its tread to jump across a flangeway gap. The frog is comprised of paired rail sections with a flangeway filler bar disposed ther... | 07/02/1996 |
| 5531408 | Railroad switch stand A railroad switch stand for actuating a rail switch between open and thrown positions includes, in one embodiment, an upstanding frame supporting a handwheel at approximately chest height for movement between a first position enabling manual rotation of a... | 07/02/1996 |
| 5529241 | Model railway track and method of assembling it An improved rail and crosstie trackage assembly for toy trains that includes three rails slidingly fastened to a series of ties the underside of which have slots to receive two elongated reinforcing rods which are fastened thereto by bonding first one rod... | 06/25/1996 |
| 5527005 | Swing nose frog switch point adjuster An apparatus is provided for moving a movable switch point a selected distance as a result of the throw of a switch machine. The apparatus includes an operating rod connected to and movable by the switch machine and a switch point adjuster mounted directl... | 06/18/1996 |
| 5526754 | Conveying system with tensioning assembly and method A conveying or transportation system having a haul rope (22) mounted for movement along a path, and a carrier unit (27) coupled to the haul rope (22). The carrier unit (27) is coupled to the haul rope (22) by a rope coupling assembly (51), which preferabl... | 06/18/1996 |
| 5522542 | Elastic fastening clamp in shape of a double C A unitary clamp adapted to fit in a part circular opening defined by two arcuate arms having a gap between their opposing ends that are formed on a vertical upstanding wall of a clamp plate having a base for resting on a sleeper in which the base of the c... | 06/04/1996 |
| 5522322 | Motorized system and method for aiding physically-impaired persons in moving between different positions A system and method for aiding physically-impaired persons in moving between different positions employs a longitudinally-extending elongate track, an upper body support assembly movably mounted on the track, and a motor for driving the support assembly a... | 06/04/1996 |
| 5520117 | Pendulum suspension for traction vehicle motor-transmission unit A traction vehicle, in particular railway traction vehicle, comprising a bogey chassis mounted on wheel axles, a vehicle chassis spring-mounted on the bogey chassis and at least one motor-transmission unit mounted underneath the vehicle chassis and within... | 05/28/1996 |
| 5520294 | Support housing for a rotary end of a slackless drawbar A support housing for a rotary end of a slackless drawbar adapted to be secured within an end of a center sill of a railroad car having an elongated cavity defined by a pair of side wall portions, a top wall portion and a back wall portion, said cavity be... | 05/28/1996 |
| 5520116 | Detachable grip for a vehicle towed by a cable Vehicles of a passenger transport installation are hauled along a track by a traction cable. Each vehicle is equipped with a detachable grip having a pair of jaws for clamping the traction cable. A grip control mechanism comprises a toggle device with a s... | 05/28/1996 |
| 5517921 | Retractable station platform extension A pivoting, retractable platform edge extension for temporarily extending the upper surface of a fixed platform closer to train tracks, comprising a platform extension portion having an upper surface, the platform extension portion pivotably attached to t... | 05/21/1996 |
| 5517925 | Railroad car hatch cover system A hatch cover system for a railroad car employs a longitudinally extending series of end-to-end main hatch covers wherein each adjacent pair of covers has proximate, concave ends defining a circular port that permits access to the interior of the car when... | 05/21/1996 |
| 5517923 | Cable drawn vehicle having an on-board motor A passenger transport installation making use of a continuously moving high speed traction cable for hauling vehicles, equipped with a detachable grip, along a high speed track zone. Each vehicle comprises an on-board electric motor for driving the vehicl... | 05/21/1996 |
| 5515791 | Inside lining of a passage, with bellows, between two vehicles Inside lining of a passage between two vehicles, in particular of a passage with a bellows, comprising a side wall cover which is designed as a plate inherently elastically yielding and being arched around the vertical axis of plane in the direction of th... | 05/14/1996 |
| 5511676 | Coupler yoke with tapering key slot reinforcement A coupler yoke for a coupler of a railway vehicle is constructed with a nose portion which is reinforced by a raised region which surrounds the forward end of the key slot. A tapered buttress extends along the length of both sides of the key slot. The wid... | 04/30/1996 |
| 5511485 | Method and apparatus for stabilizing a subgrade with additives added through the scarifier An arrangement for installing a protective layer between a subgrade and a layer of ballast of a track bed includes an excavating unit to remove ballast from underneath the track and a subgrade stabilizing unit by which additives are disposed directly over... | 04/30/1996 |
| 5509546 | Magnetically-actuated coupler for model railroad cars A magnetically actuated coupling and uncoupling system for model railroads comprised of a drawbar pivotally-mounted to one end of a railroad car, wherein the drawbar contains an integral leaf spring extending from the first end of the coupler to tend to c... | 04/23/1996 |
| 5509359 | Pedestal liner system for locomotives An improved sliding bearing system for railroad locomotives having pedestal legs includes a channel-shaped unit of a wear resistant thermoplastic, including a base and two upstanding flanges ported with mounting apertures, plus two inserts made of strips ... | 04/23/1996 |
| 5509626 | Railroad track switch A railroad track switch has tongue rails which pivot relative to fixed stock rails and rolls onto which the tongue rails move when pivoted away from the stock rails. The rolls are carried at opposite ends in spring supports and each roll is mounted for le... | 04/23/1996 |
| 5507457 | Train integrity detection system An improvement in an End-of-Train (EOT) monitor system allows the continuity of the brake pipe of a train to be verified. Obstructions in the brake-pipe, such as, for example, closed angle cocks, kinks, blockages, or breaks, adversely affect brake safety.... | 04/16/1996 |
| 5507434 | Clamp mount for concrete ties Apparatus for mounting an impedance bond or other device between a pair of spaced, concrete railroad ties employs a clamping plate which overlies and spans the ties, and a pair of clamping feet that are installed between the ties. Components interconnecti... | 04/16/1996 |
| 5503082 | Load-bearing rail and floor system having slotted rails embedded in concrete for the reception of machine mounts or railcar wheels A concrete-embedded, machinery-anchoring floor system includes parallel, accurately-extruded steel rails each having a unique cross-sectional configuration. Vertical loading of the rails improves the load-bearing strength of the concrete, whether the load... | 04/02/1996 |
| 5501418 | Switch point roller assist apparatus A switch point roller assist apparatus includes an elongated main support structure on which is movably mounted a rail securement clamp for releasably adjustably connecting the main support structure to a railroad rail. An elongated tie bar is adjustably ... | 03/26/1996 |
| 5499786 | Device for facilitating the re-positioning of moveable rails or rail components In a device for facilitating the re-positioning of moveable rails or rail components, in particular of tongue rails (7), in which the rails (7, 7'), during the re-positioning operation are supported on rollers (10, 10') forced against the underside of the... | 03/19/1996 |
| 5495809 | Movable platform having removable wheels for orientation changing A movable platform or dolly for supporting heavy equipment in which the dolly rolls on tracks. Track sections are located under the dolly and additional sections can be attached to extend the track.... | 03/05/1996 |
| 5494243 | Railroad switch stand with foot operated handle latch A railroad switch stand for switching railroad track switch points is provided with a manually-operated crank assembly that is coupled to the switch stand switching input shaft without included lost motion and that has an included yoke with latch bars tha... | 02/27/1996 |
| 5494242 | Low profile switch machine with hand throw or motor throw selector device A switch machine for railroad tracks is provided having a low vertical profile without increasing the axial length of existing switch machines. Also, the capability of being operated by an electric motor, hand crank or hand throw operation has been retain... | 02/27/1996 |
| 5494212 | Rail-tie fastening method for concrete tie A rail-tie fastening assembly for fastening a rail to a concrete tie comprising a rail seat assembly and a rail anchor. The rail seat assembly includes a rail seat basin and a rail seat wherein the rail seat is disposed in the rail seat basin and bonded t... | 02/27/1996 |
| 5487480 | Hydro-pneumatic cushioning device An end-of-car coupler includes a hydro-pneumatic cushioning device. The latter has a ported tube separating the hydraulic cylinder chamber from an outer annular chamber containing gas. Each port is fitted with a valve, the obturating member of each valve ... | 01/30/1996 |
| 5487501 | Shock absorber component for railway track having pourous rubber particle core enclosed by cover layer A shock absorber component 7 is in the form of a flatly placeable strip, plate or mat and is especially for supporting the track of railroads. The shock absorber component 7 is placed between the superstructure 2 and the roadbed 1 of the track assembly. T... | 01/30/1996 |
| 5485955 | Rail-tie fastening assembly for concrete tie A rail-tie fastening assembly for fastening a rail to a concrete tie comprising a rail seat assembly and a rail anchor. The rail seat assembly includes a rail seat basin and a rail seat wherein the rail seat is disposed in the rail seat basin and bonded t... | 01/23/1996 |
| 5481982 | Track surfacing machine and method for correcting the track geometry based on track cant and measured lining force A track surfacing machine for correcting the track geometry includes a machine frame supported by undercarriages for mobility in an operating direction and including lining drives for correcting the track in a direction transversely to the track and measu... | 01/09/1996 |
