PROBLEM TO BE SOLVED: To provide a flying object which can protect damage of the airframe or the rotor from an impact on collision or crash and enables a long-time utilization.;SOLUTION: The flying object of the present invention has four cage-like protection spheres 2, four rotors 3a-3d arranged in the respective cage-like protection spheres 2, two shafts 4a, 4b holding the rotors 3a-3d, and an airframe 1 on which the shafts 4a, 4b are mounted. The cage-like protection spheres 2 are mounted on the shafts 4a, 4b rotatably around the shafts 4a, 4b to keep two cage-like protection spheres 2 arranged on each side in right and left of the axis in an advancement direction of the airframe 1 with the front shaft 4a and the rear shaft 4b of the airframe 1 mounted on the airframe 1 rotatably around the shaft axis.;COPYRIGHT: (C)2015,JPO&INPIT
展开▼