Patent ID: 6227483
Filing Date: 2001-05-08
Classification: B64C

Abstract:
A wing movement for use in propelling ornithopters and apparatus of the like, comprising:a base;first and second perpendicular axes, said second axis intersecting said first axis at a mid point of said first axis;means for retaining said second axis to said base;a pair of first wings mounted on said first axis, one of said first wings being on each side of said second axis;means for rotating said first wings in opposite directions relative to each other about said first axis;means for rotating said first axis and said first wings about said second axis; andmeans for synchronising a rotation of said first wings about said first axis, with a rotation of said first axis and said first wings about said second axis;such that said first wings are movable to define a curved infinity-symbol-like pattern projecting substantially along one side of said second axis.