Patent ID: 7191675

Claim:
A transmission gearbox for use in a motor vehicle comprising a box body covered with a gearbox cover to accommodate a driven shaft, a linking shaft, a main shaft, and an output shaft set for enabling engine driving force to be transferred from said driven shaft through said linking shaft and said main shaft to said output shaft set; said linking shaft has mounted thereon a drive bevel gear; said gearbox cover defines therein a receiving chamber around said drive bevel gear and adapted to accommodate said output shaft set; said output shaft set comprises an output shaft and a driven bevel gear fixedly mounted on said output shaft and meshed with said drive bevel gear; and wherein said gearbox has a mounting hole disposed in communication with said receiving chamber and accommodating an actuation rod, said actuation rod having a first end, a worm fixedly mounted on said first end and meshed with a toothed portion at one end of said linking shaft.