Patent ID: 7467563

Claim:
A shifting mechanism for a multiple change-over gear, the shifting mechanism comprising: an axially displaceable and pivoted gearshift lever shaft; at least one shift finger located on the gearshift lever shaft; switching wings operatively connected respectively with a synchronization and coupling device for a plurality of wheels supported on at least one wheel set shaft of a gearing unit; and cams located on the switching wings with which the at least one shift finger meshes during a gear ratio modification, and the cams axially displacing the switching wings, each of the switching wings ( 13 , 39 , 40 , 41 , 42 , 43 , 44 ) being assigned to at least one specific shift finger ( 3 , 4 , 5 , 6 , 7 , 8 , 9 ), the cam ( 36 , 47 , 50 ) of each of the switching wings having an essentially U-shaped cross section profile with a short shank ( 11 ) and a long shank ( 12 ), a length of the short shank ( 11 ) being selected such that, in a first position, in a non-deviated position (N), the assigned shift finger being displaced laterally away over the short shank ( 11 ) to communicate with the long shank ( 12 ) and deflect the switching wing and, in a second position, being constructed for return movement of the switching wing to the non-deviated position (N) against the short shank ( 11 ).