Abstract: Constant contact side bearing support of a rail car body on a multi-axle rail car truck is provided for the purpose of restraining truck hunting and controlling car rocking. A bearing receiver or cage mounted on the truck bolster in laterally offset relationship to the truck center plate bowl supports wedge shaped bearing blocks on inclined surfaces within the cage. Biasing means, e.g., a long travel coil spring, biases the bearing blocks against the inclined surfaces of the cage, thereby maintaining a substantially constant normal bearing force on the car body throughout the wear life of the bearings. In an alterative embodiment, the cage is mounted on the car body with the bearing surfaces of the bearing blocks engaging corresponding bearing surfaces on the bolster. Arrangements providing for ease of inspection and replacement of the bearing blocks are disclosed.

Abstract: A vehicle truck embodying articulated subtrucks or steering arms having a plurality of wheelsets, with steering arm interconnections establishing coordinated steering motions of the wheelsets, the truck also having elastic restraining devices for stablilizing steering and other motions of conventional rotating axle wheelsets and still further having linkage interrelating relative lateral motions of the truck and body of the vehicle, which add to the stability and steering to trucks having rotating axle wheelsets and which will provide steering for wheelsets equipped with independently rotatable wheels. A method and structure is provided for adapting or "retrofitting" existing equipped truck structures with rotating axle wheelsets in a manner to enhance the steering and stablilizing characteristics. Four-point suspension of car bodies and truck side frames adapted to function as swing hangers in truck equipped with steering is disclosed.

Abstract: A vehicle truck embodying articulated subtrucks or steering arms having a plurality of wheelsets, with steering arm interconnections establishing coordinated steering motions of the wheelsets, the truck also having elastic restraining devices for stabilizing steering and other motions of conventional rotating axle wheelsets and still further having linkage interrelating relative lateral motions of the truck and body of the vehicle, which add to the stability and steering to trucks having rotating axle wheelsets and which will provide steering for wheelsets equipped with independently rotatable wheels. A method and structure is provided for adapting or "retrofitting" existing equipped truck structures with rotating axle wheelsets in a manner to enhance the steering and stabilizing characteristics.

Abstract: A multiple axle railway truck is disclosed having side frames and a plurality of axled wheelsets, with roller bearings mounted in pedestal jaws having clearance fore-and-aft of the vehicle, thereby providing freedom for relative yaw motions of the wheelsets, structure interconnecting the side frames including a transverse shear plate restraining relative fore-and-aft movement of the side frames and accommodating relative pitching movement of the side frames; flat resilient pads between the roller bearings and the base of the pedestal jaws for at least one wheelset; and a method for retrofitting existing trucks to embody the structure referred to.

Abstract: A vehicle truck embodying articulated subtrucks or steering arms having a plurality of wheelsets, with steering arm interconnections establishing coordinated steering motions of the wheelsets, the truck also having elastic restraining devices for stabilizing steering and other motions of the wheelsets and still further having linkage interrelating relative lateral motions of the truck and body of the vehicle. A method and structure is provided for adapting or "retrofitting" existing truck structures in a manner to embody the steering and stabilizing characteristics.

Abstract: A vehicle truck embodying articulated subtrucks or steering arms having a plurality of wheelsets, with steering arm interconnections establishing coordinated steering motions of the wheelsets, the truck also having elastic restraining devices for stabilizing steering and other motions of the wheelsets and still further having linkage interrelating relative lateral motions of the truck and body of the vehicle. A method and structure is provided for adapting or "retrofitting" existing truck structures in a manner to embody the steering and stabilizing characteristics.

Abstract: A powered locomotive truck is disclosed, the truck having two wheelsets, each with an axle having a driving motor mounted thereon, the wheelsets being mounted in a rigid main truck frame, with freedom for relative yaw motion of the wheelsets, and each wheelset further having a steering arm or yoke movable with its wheelset during relative yaw motion of the wheelsets with respect to each other, the steering arms having an interconnection in a region between the wheelsets providing for interchange of yawing steering forces between the wheelsets.

Abstract: A self-steering railway truck having interconnected steering arms associated with the axled wheelsets and having mechanism for yieldingly resisting yawing motion of the wheelsets including at least two devices, at least one of which provides a relatively high rate of increase of resistance per unit of deflection in the initial portion of the yaw motion and at least another of which provides a relatively low rate of increase of resistance per unit of deflection in a portion of the motion beyond the initial portion.

Abstract: A vehicle truck embodying articulated subtrucks or steering arms having a plurality of wheelsets, with steering arm interconnections establishing coordinated steering motions of the wheelsets, the truck also having elastic restraining devices for stabilizing steering and other motions of the wheelsets and still further having linkage interrelating relative lateral motions of the truck and body of the vehicle. A method and structure is provided for adapting or "retrofitting" existing truck structures in a manner to embody the steering and stabilizing characteristics.

Abstract: A multiple axle railway truck having side frames with pedestals, roller bearings for the axles received in the pedestal jaws with clearance in a direction fore-and-aft of the vehicle to permit relative yawing motion of the axles. A yielding pad is provided between the bearing and the base of each pedestal jaw, and a transverse plank extends between the side frames to restrain fore-and-aft motion of the side frames and is torsionally flexible thereby permitting relative angular motion of the side frames in vertical planes.

Abstract: A vehicle truck embodying articulated subtrucks or steering arms having a plurality of wheelsets, with steering arm interconnections establishing coordinated steering motions of the wheelsets, the truck also having elastic restraining devices for stabilizing steering and other motions of the wheelsets. A method and structure is provided for adapting or "retrofitting" existing truck structures in a manner to embody the steering and stabilizing characteristics.

Abstract: A vehicle running gear with articulated, self-aligning, wheelsets having means providing elastic restraint of steering moments. This means ensures that the axles of the wheelsets, while free to yaw conjointly to assume a radial position in curves, are restrained from unstable steering motions when operating in a relatively straight line at high speeds.The wheelset bearings are each carried by a subtruck which is shaped to provide a steering arm, and these arms are movably coupled in a region intermediate the axles, to accommodate conjoint yawing motions of the axles with respect to each other and in the general plane of the axles.

Abstract: One set of four extensometers bolted onto opposite faces of two mill posts of a universal rolling mill stand are responsive to a total site strain caused by simultaneous application of horizontal- and vertical-roll forces in the mill stand. Extensometer output signals are corrected individually for a variable zero drift component. The four zero-corrected signals are resolved to provide simultaneous indications of sum and differences of horizontal-roll forces in the two mill posts, the same indications for the vertical-roll forces, and selective individual site and post strains.

Abstract: An analog electrical system utilizes a signal from a coke weighing system and a signal from a coke moisture gauge to correct for prior errors in hopper weighings due to delivery overshoot as well as moisture variations in prior batches of coke.