Railway freight car side bearing

B - Operations – Transporting – 61 – F

Patent

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Details

B61F 5/14 (2006.01) B61F 5/02 (2006.01) F16C 17/04 (2006.01) F16C 27/02 (2006.01)

Patent

CA 2592405

A long travel constant contact side bearing for railway cars provides better handling characteristics, achieving improved tracking and curving through use of various combinations of features. The side bearing comprises a base and a generally cylindrical wall section extending upwardly from the base. A cup--shaped cap comprises a generally circular top section and a generally cylindrical wall section extending downwardly therefrom. The cap extends into the wall section of the base. At least one coil spring is provided within the base and extends to the underside of the cap. The cup shaped cap includes a centrally located cut out section with an elastomer pad fitted within the cut out section. The cup shaped cap cylindrical wall sections can be coated with a lubricant or hardening substance.

Un palier latéral à contact constant à long déplacement pour wagon fournit de meilleures caractéristiques de manoeuvre, permet d'améliorer la trajectographie et le suivi des courbes au moyen de combinaisons de caractéristiques. Le palier latéral comprend une base et une section à paroi généralement cylindrique se prolongeant à la verticale de la base. Une coupelle comprend une section supérieure généralement circulaire et une section à paroi généralement cylindrique se prolongeant vers le bas. La coupelle se prolonge dans la section à paroi de la base. Au moins un ressort à enroulement occupe la base et s'étend jusqu'à la face inférieure de la coupelle. Cette coupelle comprend une section découpée au centre, avec un support élastomère à l'intérieur de la section découpée. Les sections à parois cylindriques des coupelles peuvent être lubrifiées ou revêtues d'une substance durcissante.

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