GEARBOX Russian patent published in 1994 - IPC

FIELD: trucks, tractors, road-building and agricultural machines. SUBSTANCE: freely fitted on primary shaft 2 is gear 3 engaged with gear 4 secured on countershaft 5. Countershaft 5 mounts also gear 6 and freely-fitted gears 7 and 8 engaged with gears 9, 10, 11 which form gear cluster freely fitted on drive shaft 12 of sun gear 13. Fitted on shaft 12 is tubular drive shaft 14 of carrier 15. Secondary shaft 18 is arranged at gearbox output coaxially with primary shaft 2 and shafts 12 and 14. Clutch A is arranged between gears 3 and 9, clutch B is arranged between housing and gear 10 and clutch C, between gears 7 and 8. Clutches D, E are installed side by side between cluster of gears 10 and 11 and gearbox case near planetary gear. Clutch F is installed at gearbox output. EFFECT: enlarged operating capabilities. 4 dwg