CARDAN JOINT Russian patent published in 2003 - IPC

FIELD: mechanical engineering; cardan joints for agricultural equipment. SUBSTANCE: proposed cardan joint has two forks, needle bearings and cross-piece on whose pins bushes made from material possessing high surface hardness are pressed. Each bush has cut or in way of cylindrical surface; length of circle over external diameter of bush exceeds length of circle over internal diameter of needle bearing by amount of clearance; it may be made in form of coil torsion cylindrical spring. Bush made in form of coil torsion cylindrical spring is mounted on pin of cross-piece having mating outer surface. EFFECT: enhanced reliability. 3 cl, 3 dwg