A propeller guard 10 includes a frame 16 provided along a rotating surface of a propeller 30 and surrounding a rotating end 30b of the propeller 30, in which the frame 16 includes a plurality of protrusions 16b protruding outward in plan view.
PROPELLER GUARD
18.01.2024
Patent
Elektronische Ressource
Englisch
IPC: | B64U |