Patent ID: 7451670

Claim:
A manually controlled shifting conversion apparatus for a multistage transmission, the manually controlled shifting conversion apparatus comprising a plurality of shifting packets ( 2 ), wherein each shifting packet ( 2 ) includes gears ( 1 ′, 3 ′/ 2 ′, 4 ′/ 5 ′, 7 ′/ 6 ′, R) for successive, non-adjacent gear ratios; and gears for successive, adjacent gear ratios are located in different shifting packets; in each shifting packet, the gears located in the shifting packet are respectively engaged by opposing axial displacements of the shifting packet gears by axial motion of a shifting rod ( 310 ) coupled with a corresponding pivoting shifting finger ( 313 ) mounted on a shifting finger shaft ( 311 ) controlled by a gear shift lever ( 4 ); and the gear shift level ( 4 ) has a shifting pattern in which the shifting positions of successive gear ratios are located in opposing positions in the shifting pattern.