Title:
BLADE OF PROPELLER FOR DRONE
Document Type and Number:
Japanese Patent JP2022189652
Kind Code:
A
Abstract:
To provide a propeller for a drone which can suppress personal injury and property damage.SOLUTION: A blade 7 of a propeller 2 for a drone 1 is fixed to a rotation shaft 9 which rotates when receiving rotation power of an electric motor 5, and has impact absorption performance which continuously or gradually changes over an expansion direction of a blade surface of the blade 7. The impact absorption performance of the blade 7 continuously or gradually increases toward a tip end part 14 of which a distance from a hub part 13 fixed to the rotation shaft 9 is large.SELECTED DRAWING: Figure 2
Inventors:
ISHII KOJI
Application Number:
JP2021098359A
Publication Date:
December 22, 2022
Filing Date:
June 11, 2021
Export Citation:
Assignee:
ISHII TEKKOSHO KK
International Classes:
B64C11/20; B64C1/00; B64C27/08; B64D27/24