Patent ID: 6962549

Claim:
An automatic transmission comprising: a plurality of shift control elements (A, B, C, D, E; F, G, H, I, K, L, M) and gearwheels ( 2 , 3 ; 28 to 33 ) which can be engaged by the shift control elements to form a power flow through the transmission; a transmission ratio established by engaging at least one of the shift control elements (A to E; F, G, H, I, K, L, M); and a first group of the shift control elements (B, C, E; F, G, H, K) being frictional shift control elements with at least one of the first group of the shift control elements being engaged for an up-shift from first gear, and a second group of the shift control elements (A, D; L, M), which are positive-locking shift control elements, and for engagement of first gear, only two of the positive-locking shift control elements (A, D; L, M) of the second group are engaged, and for upshifts from first gear the positive-locking shift control elements (A, D; L, M) are only selectively disengaged.