本发明涉及一种用于在车辆中的调节装置（10）的发送为用于调节座椅调节装置，车窗玻璃升降器或滑动屋顶，其特征在于，所述传动装置包括一可驱动的驱动蜗杆（30）与蜗轮啮合的两个部分置换两个相互可调节的车辆部件，特别是（32） 具有主轴螺母齿（36）的主轴螺母（34），其与啮合蜗杆（32）连通，并有内螺纹（38）与该主轴螺母（34）与调节装置的螺纹轴（26）（10 ）以及以受支撑的方式容纳驱动蜗杆（30）和心轴螺母（34）的变速器壳体（40）。 有主轴螺母（34）至少部分地由金属和塑料制成的驱动蜗杆（30）和所述齿轮壳体（40）包括塑料制成的第一轴承部分（46）的轴承由金属制成的主轴螺母（34）和第二轴承部分（48） 用于支撑驱动蜗杆（30）。

The present invention relates to a transmission for an adjusting device (10) in vehicles for displacing two mutually adjustable vehicle parts, in particular for adjusting two parts of a seat adjustment device, a window lifter or a sliding roof, wherein the transmission comprises a drivable drive worm (30) with a worm toothing (32) , a spindle nut (34) having a spindle nut toothing (36), which communicates with the worm gear (32) in engagement, and an internal thread (38) with which the spindle nut (34) with a threaded spindle (26) of the adjusting device (10 ) is engageable, and includes a transmission housing (40) accommodating the drive worm (30) and the spindle nut (34) is mounted. There is the spindle nut (34) at least partly made of metal and the drive worm (30) made of plastic and the gear housing (40) includes a first bearing portion (46) of plastic for bearing the spindle nut (34) and a second bearing portion (48) made of metal for supporting the drive screw (30).