CAR SPRING SUSPENSION Russian patent published in 2011 - IPC B61F5/02 B60G11/14 

FIELD: transport.

SUBSTANCE: invention relates to railway wheeled vehicles. Passenger car spring suspension has its first stage made up of helical compression springs fitted on cradle pans. Said ladle is pivoted to bogie frame via suspensions. Two elastic rods are pivoted in parallel in cradle suspensions to perform angular turns. End faces of said rods are equipped with levers rigidly jointed therewith to come in contact with bolster. Elastic rods centers are splined to interact with mating sleeves fitted with inclined guides. Every said guide is locked in inclined grooves made on bolster. Said sleeves are spring-loaded by compression springs relative to elastic rod axial direction.

EFFECT: smooth run of passenger cars.

2 dwg