Patent ID: 7246539
Filing Date: 2007-07-24
Classification: F42B,Y10T

Abstract:
1. An apparatus for actuating a control surface, comprising: a first spur gear; a first drive assembly engaged with the first spur gear; a second spur gear; a second drive assembly engaged with the second spur gear; and a gear assembly engaged with the first spur gear and the second spur gear and adapted to be coupled with the control surface; wherein the gear assembly comprises: a first gear engaged with the first spur gear; a second gear engaged with the second spur gear; a worm fixedly coupled with the first gear; a thrust nut fixedly coupled with the second gear and coupled with the worm. such that the worm translates when the thrust nut is rotated by the second gear; a worm gear engaged with the worm; and an output shaft fixedly attached to the worm gear and adapted to be coupled with the control surface.