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Class 246/454 - CROSSINGS, FROGS, AND MATES


Subclass of Class 246 - Railway switches and signals
Definition: Subject matter having means placed at the common point of
No. of patents: 17
Last issue date: 01/15/2008


NumberTitleIssue Date
7318379Rail-guided transportation system for containers
A linear-motor driven, rail-mounted transport system for containers and interchangeable bodies includes a network of at least two pairs of parallel disposed rails arranged at an angle with respect to each other and having a continuous flat travel surface. The pairs ...
01/15/2008
7137601Check rail device
A check rail arrangement for a switch or an intersection, the arrangement including a grooved rail (16) provided with a grooved rail head (14), a groove (18) and a lip (52), and a check rail (12) which is supported at least on the ...
11/21/2006
6994299Railroad crossing apparatus having improved rail connection and improved flangeway floor geometry and method incorporating the same
An improved railroad frog, and method incorporating the same, for facilitating the intersection of rail lines in a more efficient, effective, and durable manner. In one aspect the invention is a railroad frog apparatus comprising: a body having flangeways that inter...
02/07/2006
6971610Railway diamond wedge crossing with reversible beam castings
A railway crossing has a plate with a pocket that defines a crossing angle for enabling one railway line to cross over another at virtually any angle. The pocket closely receives continuous long beams and divided beams. The pocket also has protrusions for restrictin...
12/06/2005
6543728Cross frog
The invention relates to a cross frog (10) for points and crossings, comprising a cross frog tip (14) and wing rails (16, 18) and running rails (20, 22) situated either side of this point, each with a basic course (38) aligned with a main or secondary tra...
04/08/2003
6340140Railroad frog for switch points and crossings
The rigid frog for switch points and crossings with two wing rails (1, 2) and a frog point (3, 6, 4, 5) arranged therebetween, which forms with the wing rails switch openings (11) that run at an acute angle relative to each other, is characterized in that...
01/22/2002
6276643Flat and planar match system between rails and fillers to railroad turnouts and crossings
The strength and reliability of railroad, track structures, such as frogs, crossings, and guardrails, is enhanced. Filler members and filler blocks are fitted in to support and strengthen the structures. The filler members and filler blocks provide better...
08/21/2001
6266866Frog insert and assembly and method for making frog assembly
An improved cast insert for a railway frog has two extensions extending in substantially the same direction away from the body portion of the casting and the end of each of the extensions has a cross sectional profile corresponding to the profile of the h...
07/31/2001
6254038Flat and planar match system between rails and fillers to railroad turnouts and crossings
The strength and reliability of railroad track structures, such as frogs, crossings, and guardrails, is enhanced. Filler members and filler blocks are fitted in to support and strengthen the structures. The filler members and filler blocks provide better ...
07/03/2001
6224023Railroad spring frog assembly
An improved railroad trackwork spring wing frog is provided with a rail-closer having a single compression spring whose reaction forces are applied to the frog spring wing rail through movable linkages that are each connected to the spring wing rail at di...
05/01/2001
6119988Flat and planar match system between rails and fillers to railroad turnouts and crossings
The strength and reliability of railroad track structures, such as frogs, crossings, and guardrails, is enhanced. Filler members and filler blocks are fitted in to support and strengthen the structures. The filler members and filler blocks provide better ...
09/19/2000
5957055Container-transporting system with rails
A container-transporting system with tracks, linear motors and rotatable wheels. The system includes a network of tracks which are arranged transversely at right angles with respect to one another and parallel to one another and form points of intersectio...
09/28/1999
5746400Rail crossing assembly
A railroad trackwork rail crossing having four rail intersection corners is comprised, at each corner, of four corner casting elements which have angled planforms, co-operating straight intermediate rail elements, co-operating straight guard rail elements...
05/05/1998
5704570Welded 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
4756476Railway switch
A railway switch is mounted on y-shaped sleepers. All sleepers in the switch have a medium portion of equal slightly s-shaped configuration and length. The length of the straight and parallel ends depends on the position of the individual sleeper in the s...
07/12/1988
4516504Cross-over track structure for wheeled pallets
A conveying and storage system for wheeled pallets has tracks each formed by a pair of generally parallel rails. The pallet has grooved wheels at one side for riding on the upper edge of one rail and a roller on the other side for riding on the upper edge...
05/14/1985
4081162Railroad frogs
Wheel loads on the running surfaces of a frog point and its (cast) integral wings are distributed to the ties by a bottom wall boxing in the side walls which support those running surfaces and by strategically located center ribs....
03/28/1978
 
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