GEARBOX Russian patent published in 2004 - IPC

FIELD: mechanical engineering; gearboxes. SUBSTANCE: proposed gearbox contains at least two shafts 4, 5 and great number of gear pairs, wheels-sleeves 30-35 for rigid coupling with first shaft through clutches 40, 41, 50, 80 and starting clutch 3 installed at inlet. At least one of clutches 40, 41, 50, 80 is made in form of clutch shifted under load, for instance, clutch 80. Starting clutch 3 and clutch 80 shifted under load are set into operation by means of one operating unit. Clutch 80 should be preferably made for engagement when starting clutch 3 is at least partially engaged. EFFECT: simple design, possibility of shifting under load. 29 cl, 76 dwg