Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
ABC Rail Products Corporation Patents
Assignee:
ABC Rail Products Corporation
Address:
Chicago, IL
No. of patents:
15
Patents:












Patent Number Title Of Patent Date Issued
6224023 Railroad spring frog assembly May 1, 2001
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 different spaced-apart position
6164602 Railroad frog assembly with multi-position holdback December 26, 2000
A railroad frog assembly is provided with a spring wing rail multi-position holdback subassembly that continuously retains the spring wing rail in each spring wing rail open position when activated by the wheels of a railcar traversing the frog assembly, and that automatically deactivate
6158697 Railroad frog assembly with latch holdback December 12, 2000
A railroad frog assembly is provided with a spring wing rail latch holdback subassembly that continuously retains the spring wing rail in a spring wing rail fully open position when activated by the wheels of a railcar traversing the frog assembly, and that automatically deactivates the
6152042 Railcar retarder assembly November 28, 2000
A railcar retarder assembly for use in a railroad trackwork such as a railcar classification yard is provided with a fixed base plate, a vertically-oriented pivot shaft secured to the base plate, an elongated and curved cam member mounted on the pivot shaft, and a horizontally-orient
5845881 Railroad trackwork intersections December 8, 1998
A railroad trackwork intersection assembly such as a crossing intersection or a turnout intersection is provided with at least one flange-bearing frog subassembly which has railcar wheel flangeways of uniform depth throughout the frog planform that co-operate with trackwork traffic rails
5810298 Railroad spring frog assembly September 22, 1998
An improved railroad trackwork spring wing frog assembly is provided with multiple rail-closer subassemblies, preferably of the nested and counter-wound compression spring-type, that co-operate with the assembly spring wing rail, and that are laterally spaced-apart with respect to each
5806810 Spring rail frog having switchable magnet for holding wing rail open September 15, 1998
A railroad frog assembly is provided with a switched magnet that immediately retains a frog flexible wing rail in its open position in response to a railcar wheel passing through the frog assembly, and that delayably releases the frog flexible wing rail from its open position for sub
5746400 Rail crossing assembly May 5, 1998
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, cooperating straight traffic
5653408 Direct support frog assembly August 5, 1997
A direct support type of rigid railbound railroad trackwork frog assembly is provided with a core frog casting, a pair of compliant, non-metallic spacer elements contacting laterally opposed sides of the core frog casting, a pair of wing rails respectively contacting the compliant, n
5598993 Pseudo heavy point frog assembly February 4, 1997
A railroad trackwork frog assembly is provided with a pair of wing rail components, with a centrally positioned body component comprising an integrally formed V-shaped point element having a pair of gauge lines, an integrally formed pair of wing elements having a pair of guard lines, and
5595361 Wing rail hold-down January 21, 1997
A railroad trackwork spring frog installation having a conventional wing rail with attached wing rail horn fitting is provided with an improved co-operating hold-down comprising a weld block element component, a separate, readily replaceable, riser component supported by the weld block
5560571 Reversible wing insert frog October 1, 1996
A railroad trackwork railbound frog assembly having a toe point element is provided with a pair of spaced-apart wing rail elements each having a notch recess feature, a pair of reversible and interchangeable spaced-apart wing rail insert elements, usually fabricated of a manganese al
5544848 Railroad spring frog August 13, 1996
An improved railroad trackwork frog is provided with a relatively fixed rigid wing rail, a relatively movable spring wing rail, a base plate, and at least one roller outrigger and ramp plate assembly which is attached to the spring wing rail and to the base plate, and which functions to
5496004 Direct support frog assembly March 5, 1996
A direct support railbound frog having a frog casting clamped between a pair of wing rails and freestanding such that all wheel loads imposed on the frog casting primarily pass directly to the bottom surface of the casting without passing through the wing rails.
5494243 Railroad switch stand with foot operated handle latch February 27, 1996
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 that function to stop and secure the

 
 
  Recently Added Patents
Pixel interleaving configurations for use in high definition electronic sign displays
Methods, systems, and media for swapping faces in images
Triazolylphenyl sulfonamides as serine/threonine kinase inhibitors
Graphical planner
Interface circuit and interface system
Sample chamber for laser ablation inductively coupled plasma mass spectroscopy
Modular system having expandable form factor
  Randomly Featured Patents
Heater assembly
Process for preparing 1-carba-2-penem-3-carboxylic acid
Heat sealing apparatus
Game machine
Omni direction vehicle
Toy bus
Apparatus for controlling an A.C. powered elevator
Solenoid type control valve
Flexible coupling of metal alloy with integral strips separated by slots for rotary shaft
Valve rotating device