Inflatable blade bag
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorDavid L. Wickman
Life of this patent
Estimating the term…
Abstract
A double layer inflatable bag for protecting a blade of an aircraft. The includes a puncture proof outer layer and a flexible inner layer joined together at the extreme ends to form an elongated bag. Means for inflating various sections of the space in between two layers are provided. The bag is put on over the blade and is inflated. Inner layer of the bag is in contact with the blade to keep it in position and the outer layer thereof protects the blade from damage.
Claims9
An inflatable blade bag for protecting the rotor blade of an aircraft during alignment, transportation and storage thereof, which comprises:
- a generally elongated, double-layer bag having an inner layer and an outer layer enclosing an airtight space therebetween;
- means for mounting and demounting said double layer bag in deflated position thereof over the rotor blade;
- means for inflating and deflating said double layer bag by adjusting the pressure of a gas inside said airtight space enclosed by the inner layer and outer layer of said double layer bag;
- means for carrying manually said double-layer bag in inflated position thereof and enclosing the rotor blade;
- and
- means for manipulating said double-layer bag when inflated and enclosing the rotor blade for alignment purposes.
Dependencies are inferred from the claim text.