PASSENGER CAR SPRING SUSPENSION Russian patent published in 2011 - IPC B61F5/02 B60G11/00 

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. Compression springs interact with bolster. Cradle pans are made up of rails provided with ball joints coupled with flexible rods arranged across lengthwise axis of symmetry of bogie. Splines are cut on flexible rod central section to interact with mating splines of sleeves. Sleeves are rigidly jointed in pairs by transverse tie rods moving in grooves of inclined shackles fixed on bolster. Flexible rods are provided with levers. Ends of said levers make prismatic pair with said bolster.

EFFECT: smooth run of passenger cars.

2 dwg