GEAR BOX Russian patent published in 2002 - IPC

FIELD: transport machine engineering, particularly gear boxes with multiple transmission gears switched by load and designed, mainly for tractors, automobiles, trucks and so on. SUBSTANCE: gear box includes reduction gear with differential, inlet and at least two outlet shafts; range reducer with inlet shafts joined with outlet shafts of reduction gear through friction clutches; outlet shaft of gear box. Switching devices of reducer are in the form of synchronizers and they are provided with preselection control unit. EFFECT: simplified design. 3 cl, 3 tbl, 3 dwg