(under subclass 61) Device wherein one section of the airfoil is swingably mounted to another section of the airfoil whereby an overall dimension of the airfoil may be reduced.
SEE OR SEARCH THIS CLASS, SUBCLASS:
109, for a construction toy having a foldable panel.
487, for other foldable or collapsible toys.
SEE OR SEARCH CLASS
244, Aeronautics,
49, for a folding wing applicable to full size aircraft.