| 摘要 |
PCT No. PCT/EP88/00423 Sec. 371 Date Nov. 13, 1989 Sec. 102(e) Date Nov. 13, 1989 PCT Filed May 18, 1988 PCT Pub. No. WO88/09451 PCT Pub. Date Dec. 1, 1988.Gearshift console (2) with one gearshift lever (3) for shifting a gearbox (1) of group design, primarily for farm tractors, wherein the gears (G1 through G4) formed in the basic transmission (11) are shifted manually and mechanically in an H pattern and two drive gear groups (L, S) and one reverse group (R) are additionally shifted. To achieve this, gearshift lever (3) is provided with a shifting knob (4) which can be turned into three shifting positions and shifts the three groups of the gearbox (1) with power assist, and in a gear selected in the basic transmission (11), the shifting knob (4) is locked directly in the gearshift console (2). The group shifting is blocked in a simple manner via guide webs (22) arranged on the gate plate (21) by means of two pawls (33) in each direction of drive which can be rotated via said shifting knob (4). |
