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Dale E Monsell

John R Sunderman

Robert E Owen

An improved railroad car wheel truck assembly comprises four arcuate weight bearing surfaces, one above each axle bearing, providing a direct load path such that a light weight frame can be used, each weight bearing surface being received within a matching arcuate channel mounted on the underside of the rail car body, the channels having a greater arc length that the corresponding weight bearing surface such that the wheel truck is allowed to rotate relative to the rail car body, about a central pivot pin, the wheel truck assembly further comprising a two part spring assemblies for each wheel with long springs that are always under compression and shorter springs that are compressed only when the car is under a load, each wheel spring assembly having one long spring that urges a wedge between the wheel truck frame and wheel set axle holding saddle to urge the wheel set and axle into alignment.

Radially side mounted railway car truck

A railway car yaw control device includes a housing mounted on the upper surface of a truck bolster with an engagement member biased upwardly from the housing into engagement with a depression formed in a wear plate attached to the bottom of a car body.

Railway car truck yaw control device

A railway car truck side bearing includes a housing mounted on the upper surface of a truck bolster with an engagement member biased upwardly from the housing into engagement with a depression formed in a wear plate attached to the bottom of a car body. A carriage is affixed to the bottom of the top plate and supports two stacks of disk springs under an engagement member support member to bias the support member and the engagement member upwardly into the top plate aperture. A pair of elastomeric blocks are located on opposite sides of the carriage, between the top plate and the housing bottom, within the housing, to act as shock absorbers for the top plate.

Growing community of inventors

Omaha, NE, United States of America

Dale E Monsell