US Patent 10428998 Gimbal structure and gear adjusting mechanism thereof

A gimbal structure includes a support frame and a gear adjusting mechanism. The support frame includes a roll-axis support, a yaw-axis vertical bar connected to the roll-axis support, and a yaw-axis horizontal bar carried on the yaw-axis vertical bar. The yaw-axis horizontal bar includes a rack. The gear adjusting mechanism includes a gear. The gear is configured to engage with the rack and to drive the yaw-axis horizontal bar to move relative to the yaw-axis vertical bar through the engagement with the rack to change a center of gravity of the gimbal structure.