GEARBOX Russian patent published in 2003 - IPC

FIELD: transport engineering. SUBSTANCE: gearbox has coaxial input and output shafts and countershaft parallel to input and output shafts. output shaft carries three freely-fitted gears, three-position clutch installed between first gears of input shaft. Four-position clutch is arranged on third gear of input shaft and is made for meshing said gear either input shaft or with output shaft or connection of input and output shafts, or it can occupy neutral position. EFFECT: reduced metal usage, increased efficiency in direct drive. 2 dwg