Transmission unit for a small-sized motor, in which a of a motor drive torque emitted by a motor shaft is transmitted to a worm wheel, as well as of the worm wheel to a helical gear and of an output shaft is discharged to the outside, which together with the worm gear by a fixed shaft, which is fastened on a transmission housing, as the center, which rotatesthe solid shaft in a cylindrical shape with two opposite end portions is formed,one of the two end sections of a a deplatzierung of the same, which was subjected to machining, and whereina structure which prevents a deplatzierung for the output shaft and the helical gear, which are arranged on the fixed shaft, on the other of the two end portions of the fixed shaft is designed,characterized by the,that the fixed shaft is hollow and by deep drawing of a plate-shaped element is formed, that the one of the two end sections is open and on the transmission housing, of synthetic resin is fastened by casting,..
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