TRANSFER CASE Russian patent published in 2000 - IPC

FIELD: transport engineering. SUBSTANCE: transfer case has housing, input and output shafts, differential and planetary reduction gear including sun gear, carrier and epicyclical gear, and control clutch sleeves. Drive shaft of first driving axle of rear bogie is installed coaxially with input shaft and drive shaft of sun gear. Second driving axle of rear bogie is coupled with one of output shafts of differential. One control clutch sleeve is installed on rim of input shaft for selective meshing with one of rims of carrier drive shaft. Other control clutch sleeve is designed for engagement with carrier rim or with rim of epicyclical gear. Following control clutch sleeve is arranged on rim of housing wall for engagement with epicyclical gear rim. Fourth control clutch sleeve connects rim of carrier drive shaft or rim of sungear drive shaft. All control clutch sleeves are intercoupled by slider. EFFECT: enlarged operating and kinematic properties of vehicle. 2 dwg