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US 11,999,514 B2Granted
Drone propeller for preventing complete destruction and drone comprising same
OwnerMin Cheol Leeinventor
Life of this patent
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Abstract
A drone propeller of the present invention includes a plurality of blades and a rotary shaft, wherein the blades comprise a rotation retaining unit connected to the rotary shaft side, a separation and detachment unit that is on the outer side of the blades and is to be separated when damaged, and a breakage inducing unit which connects the rotation retaining unit and the separation and detachment unit and is damaged during a collision.
Claims7
A drone propeller for preventing complete destruction, the drone propeller comprising:
- a plurality of blades;
- and
- a rotary shaft,
- wherein each of the blades includes:
- a rotation retaining unit connected to the rotary shaft;
- a separation and detachment unit which is formed at an outer side of the blade and is separated when damaged;
- and
- a damage inducing unit connecting the rotation retaining unit and the separation and detachment when damaged upon a collision,
- wherein the rotation retaining unit and the separation and detachment unit are separated from each other, and the damage inducing unit includes an insertion hole formed in a contact surface of the rotation retaining unit or the separation and detachment unit and an insertion protrusion formed on a contact surface opposite to the contact surface in which the insertion hole is formed so that the insertion protrusion is inserted into the insertion hole to form the blade.
6 more elements
Dependencies are inferred from the claim text.