U.S. Patent Specifications

An aircraft tail‐support mounting comprising in combination a support‐carrying element, a mounting element carrying said support‐carrying element, shock absorbing means operative between said elements, means mounting the elements for castoring rotation, means for freeing said elements for castoring rotation when said shock absorbing means is loaded, means for restoring specific alignment between said elements when said shock absorbing means is unloaded, a bearing for attaching said mounting means to an aircraft, means operable independently of the shock absorbing and castoring means for swinging said mounting means, support‐carrying means, shock absorbing means, and castoring means as a whole about said bearing for retraction of the wheel.