US Patent 10493867 Adjusting device for a vehicle seat and vehicle seat

An adjusting device (3), for a vehicle seat (1), includes at least one first adjusting element (5), at least one second adjusting element (7) that moves relative to the first adjusting element (5), a spindle (11) associated with the first adjusting element (5) and having an outer thread (13) for cooperating with an inner thread (64) of a spindle nut (60) associated with the second adjusting element (7). A base body (62) of the spindle nut (60) is made of metal, in particular steel, and at least sections of the inner thread (64) of the spindle nut (60) is made of a plastic or is covered with a plastic layer. A vehicle seat (1) is also provided having an adjusting device (3) of this type.