Patent ID: 8562300

Claim:
A wind turbine comprising: a tower; a nacelle support structure rotationally mounted to said tower through a yaw bearing for rotation about a yaw axis; a hollow shaft rotationally mounted to said nacelle support structure through a rotor bearing for rotation about a rotor axis of rotation; a blade support body mounted to said hollow shaft through a teeter system which permits teetering action of said blade support body with respect to said hollow shaft; a first shaft arm and a second shaft arm which extends from said hollow shaft generally parallel to said rotor axis of rotation to engage with a respective first teeter bearing and second teeter bearing of said teeter system, said first teeter bearing and said second teeter bearing defined along a teeter axis; and a teeter restraint system aligned along a restraint axis generally perpendicular to said teetering axis said first teeter restraint system mounted between said blade support body and said hollow shaft, a generator supported by said nacelle support structure outwardly of said hollow shaft, said generator being located axially outwardly of said hollow shaft.