U.S. Patent Specifications

Abstract

In an aircraft having a sustaining rotor incorporating a hub and a blade, the latter being connected with the hub by means of a flapping pivot, a pitch change mounting for the blade, and mechanism for controlling the blade pitch including cooperating worm and worm wheel elements, the latter of which is connected with the blade and moves therewith in the pitch change and flapping senses, the worm element being mounted to move with the blade in the flapping sense, and actuating means for the worm constructed and arranged to effect pitch change movement of the blade in predetermined relation and in response to flapping movement of the blade.

Citation

(1948), "U.S. Patent Specifications", Aircraft Engineering and Aerospace Technology, Vol. 20 No. 1, pp. 32-32. https://doi.org/10.1108/eb031597