Patent attributes
Lift assemblies and methods of operating same. A method includes providing a lift assembly including a first support member and a boom pivotably coupled with a second support member. The lift assembly also includes a bearing disposed between the first and second support members. The bearing includes an inner ring and an outer ring and a gear is engaged with one of the inner ring and the outer ring. A lift line is coupled with the boom. The method also includes attaching the first support member to the vehicle, pivoting the boom relative to the second support member about a first axis, and rotating the second support member relative to the first support member about a second axis perpendicular to the first axis. Further, the method includes attaching a load to the lift line and operating the lift assembly to move the load onto a roof of the vehicle.
