Patent ID: 8161836

Claim:
A multi-step transmission comprising one reverse drive gear ( 3 ) and several forward drive gears ( 24 , 24 ′), a main shaft ( 1 ) and two counter shafts ( 2 , 2 ′), a flow of power ( 26 ) from a power input, while the multi-step transmission is in one of the forward drive gears, is distributed to both of the two counter shafts and then transferred, through the forward drive gear, to the main shaft ( 1 ), each of the forward drive gears ( 24 , 24 ′) comprises two counter shaft gears ( 28 , 28 ′) and an idle gear ( 30 , 30 ′) that is mounted on the main shaft ( 1 ), a single one of the two counter shafts ( 2 ) is associated with the reverse drive gear ( 3 ), such that a flow of power ( 32 ) in the reverse drive gear ( 3 ) is only transferred to the main shaft via the single one of the two counter shafts ( 2 ).