Patent ID: 8944368
Filing Date: 2015-02-03
Classification: B64C

Abstract:
1. An aircraft nose landing gear comprising, a cylindrical casing connected to an aircraft and defining a vertical steering axis; a vertical strut comprising a strut member being rotatably disposed in the cylindrical casing for rotation about the vertical steering axis; a wheel assembly connected to the strut member, the wheel assembly comprising a plurality of wheels rotatable about a horizontal wheel axis; a steering actuator comprising: an electric motor mounted to the cylindrical casing, the electric motor having an output shaft rotating on a horizontal axis; and, a ball-worm gear comprising a driving shaft defining a concave ball race receiving art of a driven shaft wherein the output shaft of the electric motor drives the driving shaft of the ball-worm gear, and wherein the driven shaft of the ball-worm gear drives the strut member; in which the driving shaft and the driven shaft are directly connected in driving engagement through an opening on the cylindrical casing.