Intellectual Property India Publishes Patent Application for 'Pitch Locking Device To Aid Helicopter Rotor Blade Folding' Filed by Hindustan Aeronautics Limited

MUMBAI, India, Sept. 12 -- Intellectual Property India has published a patent application (202441016567 A) filed by Hindustan Aeronautics Limited, Bengaluru, Karnataka, on March 7, 2024, for 'pitch locking device to aid helicopter rotor blade folding.'

Inventor(s) include Haresh Kumar.

The application for the patent was published on Sept. 12, under issue no. 37/2025.

According to the abstract released by the Intellectual Property India: "A pitch locking device (200) for helicopter rotor blade (2) to prevent rotational movement during folding of said blade comprising a C shaped bracket assembly (30) with two lugs (34,35) welded on one flange (33), wherein said lugs (34,35) are having a hole (36,37) to insert a quick release pin (40), a L ...