The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 04, 2024
Filed:
May. 27, 2021
Applicant:
Min Cheol Lee, Incheon, KR;
Inventor:
Min Cheol Lee, Incheon, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64U 10/10 (2023.01); B64U 30/20 (2023.01); F16B 21/12 (2006.01);
U.S. Cl.
CPC ...
B64U 10/10 (2023.01); B64U 30/20 (2023.01); F16B 21/12 (2013.01);
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.