Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 7681506 | Truck bolster A railroad car truck bolster may be formed as a steel casting. That bolster may include side bearing fitting access sockets located abreast of the side bearing seats. It may also include substantially continuous internal cavities to either side of a cross-wise inter... | 03/23/2010 |
| 7328659 | Rail road freight car with resilient suspension An auto rack rail road freight car is provided for carrying low density, relatively high value, relatively fragile lading. The car has a relatively soft suspension and an empty vertical bounce natural frequency of less than 2.0 Hz. The car also has additional ballas... | 02/12/2008 |
| 7025002 | Railway bogie bolster for an articulated wagon A bolster 14 for a bogie of an articulated railway wagon is shown including supports for constant contact sidebearers in the form of two pairs of brackets such as 26A and 26B being integral with the bolster 14 at its opposing respective e... | 04/11/2006 |
| 7017498 | Multi-purpose universal sideframe for railway trucks An improved sideframe has a bolster opening configured to accept a variety of spring group and friction shoe assembly designs. The bolster opening is defined by a bottom section, a top compression member, and two opposing column members and has two column wear plate... | 03/28/2006 |
| 6484644 | Railcar structure for accommodating a brake valve An articulated railcar has several well car units for carrying shipping containers, highways trailers, or a combination of the two. The well car units permit the nose of a highway trailer to overhang the articulated connection between two adjacent cars. A... | 11/26/2002 |
| 6422154 | Three-piece railway truck frame having a selectively removable bolster A railway truck frame for a railway truck including a first side frame and a second side frame, each side frame having an inverted trapezoidal-shaped window including a first inclined side and a second inclined side. The truck frame also includes a bolste... | 07/23/2002 |
| 6354226 | Lightweight truck bolster having varying wall thickness ribs There is disclosed a light weight truck bolster for railway car trucks. Metal has been removed in the compression and tension members of the bolster near the center bowl. One longitudinal rib is located in each end of the bolster arms and a pair of transv... | 03/12/2002 |
| 6330862 | Dead lever lug An improvement in dead lever lugs for mounting on cast metal bolsters for railway trucks is disclosed. The bolster has two side walls. The side walls have angled portions that meet in radii along the junctures of the angled portions. The dead lever lug ha... | 12/18/2001 |
| 6324995 | Railway car center filler plate Center filler plates for mounting on draft sills of railway car underframes are disclosed. The center filler plates have four pockets surrounding a hub. The pockets are shallower than in the prior art, and the walls defining the pockets meet in radii havi... | 12/04/2001 |
| 6296083 | Railcar brake arrangement An articulated railcar has several well car units for carrying shipping containers, highways trailers, or a combination of the two. The well car units permit the nose of a long highway trailer to overhang the articulated connection between two adjacent ca... | 10/02/2001 |
| 6220177 | Bogie for railway vehicle and process for manufacturing same A bogie for a railway vehicle which is supported on wheels mounted on at least two axles wherein the bogie includes a chassis which includes at least one housing in the form of a tubular beam which receives a side member which connects the at least two ax... | 04/24/2001 |
| 6216604 | Railcar brake structure An articulated railcar has several well car units for carrying shipping containers, highways trailers, or a combination of the two. The well car units permit the nose of a highway trailer to overhang the articulated connection between two adjacent cars. A... | 04/17/2001 |
| 6213027 | Railway vehicle bogie made of composite material and process for manufacturing such a bogie A railway vehicle bogie made of composite material which includes at least one elongated rigid support secured in a chassis made of composite material. The support is adapted to removably receive fasteners for mounting functional elements of the bogie at ... | 04/10/2001 |
| 6148965 | Railcar brake arrangement An articulated railcar has several well car units for carrying shipping containers, highways trailers, or a combination of the two. The well car units permit the nose of a long highway trailer to overhang the articulated connection between two adjacent ca... | 11/21/2000 |
| 6089166 | Bolsters for railway trucks An improvement in cast metal bolsters for railway trucks is disclosed. The bolster has a top wall, a bottom wall and sidewalls. All of the walls have interior and exterior surfaces. Two transverse ribs extend between the top wall and bottom wall and two s... | 07/18/2000 |
| 5575221 | Truck mounted brake system A truck mounted brake system comprising a brake cylinder mounted on a truck bolster, having a cylinder rod extending through the bolster, wherein a series of elongated slots are provided in the second sidewall and the intermediate webs of the bolster to f... | 11/19/1996 |
| 5551351 | Bolster gib A freight car truck utilizes a bolster which extends laterally between two side frames. The bolster outer ends extend through openings in the side frames. Four gibs are located on each outer end. Two are inboard of the side frame and two outboard of the s... | 09/03/1996 |
| 5327837 | Bolster of a railroad car truck with varying cross-sectional shape to provide less torsional rigidity at ends A bolster for a railroad car truck is described as having a generally hollow, box-like construction between its opposing ends which are transformed into I-shaped sections which are rigidly secured to the sideframes. The box-like frame provides the stiffne... | 07/12/1994 |
| 5303657 | Bogie frame of rolling stock having composite hollow beam construction A rolling-stock bogie frame has a ladder-shaped frame structure comprising side beams and cross beams, each of which has a trough-shaped part with an open upper part and a reinforcing member secured to the trough-shaped part to cover and close the open up... | 04/19/1994 |
| 5295444 | Multi-axle running carriage The invention relates to a multi-axle running carriage for rail vehicles having two longitudinally, extending cast side walls (1, 2) and a transverse connecting assembly which are disposed axisparallel between two axles (3, 4) and are connected to the sid... | 03/22/1994 |
| 5241913 | Reinforced bolster for a railroad car truck A bolster of a railroad car truck is shallow and has a unique reinforcement rib which extends longitudinally of the bolster between a pair of stops which are designed to engage adjacent abutments which are carried by a transom to limit relative axial move... | 09/07/1993 |
| 5058509 | Railway car with vented bolster to facilitate the thawing of lading A railway car suitable for rotary or bottom dump unloading. The body bolster is fitted with vents to permit a heating of the slope floor at the ends of the car to thaw the lading prior to unloading.... | 10/22/1991 |
| 4838174 | Railway truck bolster with improved brake attachment The present invention provides a railway truck bolster with an improved brake attachment assembly. The top web section of the bolster has outer walls extending downwardly therefrom, which outer walls terminate in the lower section of the bolster. A center... | 06/13/1989 |
| 4811668 | Three axle railway truck The present invention provides a three axle railway truck. The truck comprises three wheelsets supporting two parallel sideframes. Each sideframe comprises two sections. One wheelset is located near the longitudinal middle of the sideframes, with the two ... | 03/14/1989 |
| 4753174 | Railway vehicle bolster with integral and brake system car reservoir A railway vehicle bolster having an air brake system air reservoir formed integrally in a cavity defined by a top web and side walls of said bolster by enclosing the cavity with end walls and a bottom wall. Air inlet and outlet means provide communication... | 06/28/1988 |
| 4729325 | Bolster with improved brake assembly mounting arrangement A bolster having a plurality of flat surfaces on the opposite side thereof arranged to provide a surface on which the saddles of an air brake assembly are fastened.... | 03/08/1988 |
| 4690072 | Railway car body structural arrangement A railway car body structural arrangement has a bolster fabricated from plates and formed on the upper surface of a bottom closure member of the body of a railway car and rigidly affixed to a bolster post at each side of the car. The lower portions of the... | 09/01/1987 |
| 4637319 | Bolster friction shoe pocket A railway vehicle truck friction shoe pocket including a sloped wedge wall and longitudinally spaced depending walls of which at least one of the inner planar faces is provided with one or more relieved sections.... | 01/20/1987 |
| 4636119 | All purpose railroad car An all purpose railroad car for transporting trailers and containers, having an elongated frame adapted to be supported by wheel trucks, combined hitch and container bolster means adjacent one end of the car frame for selectively receiving and releasably ... | 01/13/1987 |
| 4458604 | Radial railway truck A self-steering radial truck having steering arms with side arms, the side arms being contoured and located so that they provide visual and physical access to the trucks brake beam head and brake shoe, place said cross beam at a position clear of the brak... | 07/10/1984 |
| 4362109 | Railway vehicle trucks A railway-vehicle truck has a support structure in the form of a horizontal rectangular plate the opposite ends of which carry respective transverse tubular supports. Each tubular support mounts a shaft the two ends of which carry respective arms. Each ar... | 12/07/1982 |
| 4356774 | Truck bolster flange and wear ring A truck bolster ring is described comprising an annular ring adapted to be secured to the truck bolster and having inner and outer diameters. A wear resistant surface is electrically welded to the inner diameter of the ring to increase the useful life of ... | 11/02/1982 |
| 4342266 | Railroad car truck bolster A bolster for use in a railroad car truck has spring seat areas at the outer ends and a generally central section intermediate the spring seat areas and generally of substantially greater depth than the spring seat areas. A vertical reinforcing rib extend... | 08/03/1982 |
| 4311098 | Railway car truck bolster A railway car truck bolster is formed of channel cross section tension and compression members and a reinforced web joined together by welding to form a reinforced I-beam as the primary structural unit for the bolster. The welds joining the main structura... | 01/19/1982 |
| 4257332 | Railway tank car cradle support A tank car stub sill underframe is assembled by welding together a pair of angles to opposite edges of a longitudinally extending curved plate to form a generally channel-shaped section. The channel-shaped section includes a concave top plate and a pair o... | 03/24/1981 |
| 4196672 | Reinforced bolster A railroad car truck bolster has a centrally disposed vertically arranged longitudinally extending web. The web has spaced reinforcing means with the spacing of the reinforcing means being sufficient to cause certain fractures in the web propagating along... | 04/08/1980 |
| 4150626 | Railway truck span bolster A span bolster arrangement for interconnecting a pair of railway trucks and mounting a railway vehicle chassis, the span bolster arrangement including a span bolster structure having side members interconnected by lateral members and being mounted on and ... | 04/24/1979 |
| 4133268 | Railway bogie-trucks and method of manufacturing same An improved railway stock railway rolling stock bogie truck includes a cross beam and a pair of spaced longitudinal side members with an asymmetrical cross-sectional configuration with the cross beam in alignment both with the bearing support and the side... | 01/09/1979 |
| 4114540 | Railway truck bolster A bolster for a railway car truck having an obstacle-free cavity located below a center plate so as to more readily accommodate truck linkage members, brake apparatus and other associated mechanical components. The obstacle-free cavity is defined by a top... | 09/19/1978 |
| 4040362 | Railway bolster integral wear liner A railway bolster is provided wherein the bolster bowl and king bolt openings have liners of low alloy or carbon steel backed by a weld metal deposit with a hardness of from about 25 to 40 Rockwell C the weld metal forming the wear element.... | 08/09/1977 |
