| 摘要 |
FIELD: mechanical engineering, particularly, transmissions of agricultural machinery. SUBSTANCE: cardan joint has two forks, needle bearings and spider with bushings of material with high hardness of surface. Said bushings are press-fitted on spider pins. Bushing hole and pin outer surface in cross-section have shape of convex reqular polygon. EFFECT: higher longevity and maintainability of cardan joints. 2 dwg |
