Rotary actuator and a method of driving the same

摘要: There is provided an actuator for driving a rotatable component, comprising: a first, rotating member (12) comprising screw; second (14) nut threaded to said screw, wherein rotation of first causes axial movement or member; third (20) coupled the member, fourth (30)coupled and connectable component; bearing system (50) located between configured cause rotate upon movement so as drive component.