Car seat has adjusting system with motor-driven spindle unit comprising internally threaded nut and externally threaded spindle with externally threaded planetary rollers between them

摘要

The car seat has an adjusting system with motor-driven spindle unit. This comprises a nut (16) with an internal thread (18) and a spindle (12) with an external thread (14). Several planetary rollers (20) which also have an external thread (22) are positioned between the spindle and nut.