Patent ID: 7311629

Claim:
A branched power transmission including several transmission ratio ranges, each transmission ratio range having a steplessly adjustable transmission ratio, said transmission comprising: a drive shaft for non-rotatable connection with an engine; a distributor transmission connected with the drive shaft and including first and second distributor transmission outputs, wherein the first distributor transmission output is non-rotatably connected with a first driven shaft of a variable speed unit and the second distributor transmission output is connected to a second driven shaft of the variable speed unit through a gear set; a parallel shaft gearbox having a pair of input shafts coupled through respective clutches with respective ones of the driven shafts of the variable speed unit, and having a gearbox output shaft that forms a branched power transmission output shaft; wherein the branched power transmission includes at least two transmission ratio ranges that are provided by gears carried by each input shaft of the parallel shaft gearbox and that are operatively connected with the branched power transmission output shaft.