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7174837 |
Three-piece motion control truck system
An improved three-piece truck system for railroad cars provides long travel side bearings for improved stability, a “wide” friction shoe design or equivalent to improve sideframe and bolster...
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7023949 |
Jet pump assembly repair method
A BWR jet pump assembly has a wedge slidably mounted on a jet pump that is movable under the force of gravity to seat between a bracket and the jet pump in order to horizontally support the jet...
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6688236 |
Friction wedge design optimized for high warp friction moment and low damping force
A damping system for a rail car truck utilizes friction wedges supported on side springs to damp relative movement between the rail car truck bolster and the side frames supporting it. Each...
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6425334 |
Friction shoe for freight car truck
A friction shoe is provided for use in a railway freight car truck. A freight car truck comprises two laterally spaced sideframes with a bolster extending transversely between said sideframes. The...
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5943961 |
Split wedge bolster pocket insert
In a freight car truck assembly, an insert for converting a substantially flat, inclined, bolster pocket back wall into a pair of inclined surfaces for biasing a pair of split wedges laterally...
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5555818 |
Dual face friction wedge
A friction wedge for use in damping relative movement between the bolster and the side frame of a railroad car truck includes a body formed and adapted to be positioned in a pocket of one of the...
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5524551 |
Spring-pack assembly for a railway truck bolster assembly
A variable spring group for a railcar wheel truck assembly, which spring group has independent variable rate control springs for biasing snubber assemblies of a bolster in the wheel truck assembly,...
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RE34963 |
Friction casting for a bolster pocket
A friction wedge for use in a railroad car truck bolster pocket which has a slanted rear wall and adjoining side walls perpendicular thereto, one surface thereof adapted to bear against a portion...
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5072673 |
Bogie with a deformable underframe including an oblique faced friction wedge and direct engagement between bolster and side-frame
The bogie has two side-frames. Each side-frame has an opening in which a respective end of a bolster bar rests upon the side-frame by way of suspension springs. Two wedges, themselves supported by...
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5046431 |
Railway truck
A railway truck assembly having a bolster and side frames with a novel arrangement of solid lateral stops which limit movement of the bolster ends with respect to the side frames of the truck, the...
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4953471 |
Friction shoe assembly for repair of worn railway truck
A method of repairing railway trucks in which the sloped surfaces of the truck bolster ends have become worn during service is provided that avoids the hetertofore required restoring of the sloped...
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RE31988 |
Railway truck bolster friction assembly
A railway freight truck bolster friction assembly and more particularly improved friction assemblies of elastomeric material which are adapted to be captively retained intermediate an axial end...
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4512261 |
Self-steering railway truck
A railway truck having a suspension wherein pivotal suspension links are connected between the pedestal openings of a truck side frame and the bearing adaptor of the bearing received within the...
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4491075 |
Snubbed railway car truck
A snubbed railway car truck including a side frame having a bolster opening defined by a pair of columns. A bolster end is disposed in the bolster opening. Resiliently biased friction shoes are...
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4426934 |
Friction casting bolster pocket wear plate having a plurality of sides
A railroad car truck bolster has a plurality of pockets each of which will position a friction wedge for use in damping motion between the bolster and the side frame. Each pocket has a slanted rear...
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RE31008 |
Dampened railway car truck
A dampened bolster and side frame assembly for a railway truck including widened lands on the side frame and a plurality of spaced wedges on each side of the bolster and on opposite sides of the...
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4265182 |
Damping railway car truck
In a railway car truck a lower transom extends between transversely spaced side frames. The side frames include depressed portions having transversely aligned vertical openings or slots which...
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4256041 |
Damping railway truck friction shoe
An improved railway truck friction shoe is provided. The contact point of the shoe slope face with the bolster and the spring center line of the shoe are substantially coincident; the contact point...
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4254713 |
Damping railway truck friction shoe
A friction shoe is provided for use in a railway truck. The shoe is placed such that it frictionally engages both a side frame vertical column and the slope surface of the bolster to dampen the...
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4244298 |
Freight car truck assembly
Wedges of novel design are interposed between the side frames and bolster of a three-piece freight car truck assembly in an effort to provide an assembly having greater high speed stability.
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4179995 |
Snubbed railroad car truck
A truck for a railroad car includes two spaced side frames which resiliently support ends of a transversely positioned bolster in a window formed in each side frame. On each side of the bolster is...
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4167907 |
Railway car truck friction damper assembly
A three-piece dampener assembly provides means to depress vertical and horizontal oscillations between ends of a bolster of a railroad car truck and side frames of the truck. This assembly includes...
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4109585 |
Frictionally snubbed railway car truck
A winged friction shoe is provided to frictionally engage both the side frame column and bolster in order to control the oscillating movement of the latter. The wings of the friction shoe are...
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4103623 |
Squaring frictionally snubbed railway car truck
A friction shoe is provided on a railway car truck to frictionally engage both the side frame column and bolster in order to control the oscillating movement of the latter. The interfaces between...
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4084513 |
Railroad car side frame construction
A railroad truck side frame includes spaced tension and compression members connected by vertical columns. The tension and compression members, as well as the vertical columns, define a window and...
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4084514 |
Damping railway truck bolster friction shoe
A friction member for use in the bolster pocket of a stabilized railroad car truck has a slanted friction surface adapted to bear against the bolster within the bolster pocket and a vertical...
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3977332 |
Variably damped truck
A stabilized railroad car truck has a side frame with a window, a bolster extending into the window, a stabilizer pocket on each side of the bolster and a friction element in each pocket. The...
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3926127 |
Railway axle friction snubber assembly
A wing-shaped axle spring snubbing device for railway cars wherein a cap is mounted on each axle spring and a friction shoe having a projection projecting out of a bore made in an inside wall of an...
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3905305 |
Snubbed railway truck bolster
A railway truck comprising two-wheel and axle sets held in spaced relationship by a pair of side frames, a static bolster spanning, and holding in square relationship, the side frames, an active...
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3901163 |
Snubbed truck bolster
A snubbed railway car truck wherein the friction shoes are provided with laterally extending projections which cooperate with recessed vertical faces on the bolster to limit horizontal and rocking...
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3880089 |
Railway truck side frame and wear plate construction
The side frame of a snubbed railway truck has a bolster window bordered by an upper compression member and columns. A bolster projects into the window and is supported therein on springs....
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3857341 |
SNUBBED BOLSTER
In a railway truck wherein friction shoes are operatively carried in wedge-shaped pockets of the bolster and are urged upwardly and outwardly by one or more control springs positioned between the...
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3851595 |
DAMPENED RAILWAY TRUCK BOLSTER WEAR PLATE
A freight car truck side frame has a window and a bolster extends through the window. There is a wedge pocket in the bolster and a wedge is spring-biased into the pocket. The pocket has a floor and...
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3837293 |
RAILWAY TRUCK BOLSTER AND SIDE FRAME
A railway truck wherein a bolster is supported in the windows by a pair of side frames and said bolster has a U-shaped stiffening member raised above the bolster top wall on each end thereof, said...
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3805707 |
RAILWAY TRUCK SNUBBING INDICATION ARRANGEMENT
In a railway truck wherein friction shoes are operatively carried in wedge pockets of the bolster and are urged upwardly and outwardly by one or more springs between the bottom of the friction shoe...
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3802353 |
FRICTION DAMPENED RAILWAY TRUCK BOLSTER
In dampened railway car trucks wherein friction shoes are operatively carried in wedge-shaped pockets located at opposite sides of the bolster the invention provides for the retention of the...
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3799067 |
DAMPERED RAILWAY TRUCK FRICTION SHOE SHIM
In a railway truck wherein friction shoes are operatively carried in wedge-shaped pockets of the bolster and are urged upwardly and outwardly by one or more control springs between the bottom of...
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3772995 |
RAILWAY BOGIE SPRING GROUP SNUBBER ASSEMBLY
A snubber assembly for railroad trucks and more particularly a snubber assembly interposed in the spring group intermediate a bolster end and side frame with the snubber assembly having improved...
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3717106 |
DAMPENED RAILWAY CAR TRUCK BOLSTER
Damping and control device for a bogie bolster, of the type wherein each end of the bolster engages a housing formed on a side-frame, bears upon resilient elements, is laterally interfitted on both...
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3690270 |
RAILWAY TRUCK BOLSTER
A railway truck has a cast bolster, the ends of which are substantially hollow and project through windows in side frames. The bolster ends are snubbed by wedge-shaped friction castings which are...
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3687086 |
DAMPENED RAILWAY TRUCK BOLSTER
A dampened railway truck bolster and side frame assembly with wedge means on one side of the bolster and wear plates on the other to facilitate maintenance of squareness in the truck.
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3670660 |
DAMPENED RAILWAY CAR TRUCK
A four-wheel, two-axle railway car truck having non-integral side frames, a spring plank and a bolster, functioning both as a swing motion truck and a roll control truck and having its side frames...
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3654871 |
DAMPENED RAILWAY TRUCK
A railway truck having a dampened bolster which at its ends is provided with triangular pockets into which wedge-shaped friction blocks fit. The inner end of each pocket is defined by an inclined...
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3575117 |
RAILWAY TRUCK BOLSTER SNUBBER
A helical torsional spring is utilized to urge the friction shoes of a snubbing arrangement upwardly into the inclined bolster pockets in which the shoes are carried. A wedge between the bolster...
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3559589 |
BOLSTER-DAMPENED FREIGHT CAR TRUCK
In a railroad car windowed side frame and bolster combination, a removable inclined antifriction bearing pad on the bolster is in contact with the inclined face of a spring-biased, stabilizing...
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3545385 |
REINFORCED BOLSTER DAMPENING FRICTION SHOE
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3536012 |
DAMPENED RAILWAY BOGIE BOLSTER
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3461815 |
SNUBBED RAILWAY TRUCK BOLSTER
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3438339 |
RAILWAY TRUCK BOLSTER HYDRAULICALLY SNUBBED
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3408955 |
Railway car truck bolster dampener
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