US Patent:
20130039767, Feb 14, 2013
Inventors:
Robert R. Schrickel - Oshkosh WI, US
Brent R. Servin - Hortonville WI, US
Stephen C. Nimmer - Oshkosh WI, US
International Classification:
F03D 1/06
Abstract:
A folding blade assembly for a mobile wind turbine system is disclosed that includes a hub configured to be coupled to a generator and a blade coupled to the hub with a movable joint. The movable joint includes a first member coupled to the hub and including an aperture, a second member coupled to the blade and including an aperture, and a pin extending through the apertures of the first and second members such that the second member is movable relative to the first member about the pin. The movable joint further includes a lock coupled to the first member and the second member and having an engaged position and a disengaged position, where the second member is movable relative to the first member when the lock is in the disengaged position.