Patent ID: 7124659

Claim:
A six-gear or seven-gear vehicle transmission ( 1 , 30 ) having a single clutch (K 1 ), an input side of which is connected with a drive shaft ( 2 ) of a prime mover and an output side ( 3 ) with a single input shaft ( 4 ), first and second countershafts ( 5 , 6 ) upon which are rotatably supported idler wheels ( 7 , 8 , 9 , 10 , 15 , 16 , 17 , 34 , 35 , 36 ), fixed wheels ( 11 , 12 , 13 , 14 , 33 , 37 ) non-rotatably situated upon said single input shaft ( 4 ) and in tooth contact with said idler wheels ( 7 , 8 , 9 , 10 , 15 , 16 , 17 , 34 , 35 , 36 ), coupling devices ( 22 , 23 , 24 , 25 , 31 , 32 ) non-rotatably and axially movably supported upon said first and second countershafts ( 5 , 6 ) and movable by setting devices, and an output gear wheel ( 18 , 19 ) fastened on each of the first and second countershafts ( 5 , 6 ) and in tooth contact with a toothing ( 20 ) of a differential transmission ( 21 ), wherein each two gear positions disposed in a shifting gate of one of an H- or multi-H-shifting gate (G 1 -G 2 ; G 3 -G 4 ; G 5 -G 6 ; G 7 -RG) are associated in the transmission with two different coupling devices ( 22 , 23 , 24 , 25 , 31 , 32 ), of said fixed wheels ( 11 , 12 , 13 , 14 , 33 , 37 ) situated upon said single input shaft ( 4 ), at least two fixed wheels ( 12 or 37 , 13 , 14 ) are each in tooth contact with two idler wheels ( 8 , 15 ; 35 , 36 ; 9 , 16 ; 10 , 17 ); and an idler wheel ( 17 ) for a second gear (G 2 ) is situated upon the first countershaft ( 5 ) and an idler wheel ( 10 ) for a reverse gear (RG) is situated upon the second countershaft ( 6 ), and a common fixed wheel ( 14 ) drives both idler wheels ( 10 , 17 ).