Title:
無人航空機
Document Type and Number:
Japanese Patent JP7270324
Kind Code:
B2
Abstract:
To provide an unmanned aircraft in which a frame body covering an airframe is resistant to a damage to imaging or the like and flight stability with respect to an inertial force generated in the frame body is high.SOLUTION: An unmanned aircraft 1 has a plurality of rotary vanes 2. The unmanned aircraft 1 comprises an airframe 3 and a frame body 5. The airframe 3 has a fuselage 4 and a rotary vane 2. The frame body 5 covers the airframe 3. The frame body 5 has a rectangular solid outer shape constituted of a plurality of long frame materials. The frame body 5 is supported on the fuselage 4 via an anisotropic flexible part 7 having flexibility. The anisotropic flexible part 7 transmits a load of the frame body 5 to the fuselage 4. The anisotropic flexible part 7 is distorted through elastic deformation by a horizontal force or a longitudinal force applied to the frame body 5, and distortion easiness of the horizontal and longitudinal directions can be set to different sizes.SELECTED DRAWING: Figure 3
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Inventors:
Takayuki Iwabuchi
Hiroyuki Sano
Yuichi Imanaka
Hiroyuki Watanabe
Hiroyuki Sano
Yuichi Imanaka
Hiroyuki Watanabe
Application Number:
JP2021010852A
Publication Date:
May 10, 2023
Filing Date:
January 27, 2021
Export Citation:
Assignee:
Rail Tech Co., Ltd.
E .c .r Co., Ltd.
E .c .r Co., Ltd.
International Classes:
B64D25/00; B64C1/08; B64C27/04; B64C39/02; B64D47/08; B64U20/70; F16F15/067; F16F15/08
Domestic Patent References:
| JP201869745A | ||||
| JP201739334A | ||||
| JP396499A | ||||
| JP2019189196A |
Foreign References:
| US20140131507 | ||||
| WO2019198393A1 | ||||
| US8874283 |
Attorney, Agent or Firm:
Hirohiro Noguchi