Importance

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Abstract

Aircraft lowering and raising apparatus for loading and unloading purposes wherein the apparatus comprises four supporting structures, two located at a spaced distance at the left and two similarly at the right side of the fuselage. Each structure is horizontally carried within the aircraft and can be extended in a vertical position outside of the aircraft. Each structure includes a hydraulic telescoping piston cylinder arrangement with a ground feeler for extending a tripod carriage which is pivotally connected to the cylinder. Upon operation, the structure moves from its aircraft storage unit outside in vertical position and engages the ground by extension of its telescoping member to support the aircraft, thereupon the landing gears are contracted into the aircraft body, and thereafter the telescoping piston cylinder is contracted so that the aircraft is lowered for cargo handling. Raising of the airplane on its landing gears for takeoff is obtained by reversing the described operations of the supporting structures.

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First Claim