Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 3, 2023
Patent Application Number
16842107
Date Filed
April 7, 2020
Patent Citations Received
Patent Primary Examiner
A negative hinge offset rotor head for a coaxial helicopter, the rotor head having two or more flapping rotor blades having outer and inner tips, the inner tips rotatably attached to a hinge attachment rotated by a driveshaft where the driveshaft is positioned between the rotor blades and the rotor blades' respective hinge attachment.
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