Patent attributes
Lift assemblies and methods of operating same. A lift assembly for a vehicle includes a base configured to be attached to a roof of the vehicle and a first support member coupled with the base. Also, the lift assembly includes a boom coupled with a second support member, and the boom is pivotable with respect to the second support member about a first axis. Further, the lift assembly includes a bearing disposed between the first and second support members. The bearing includes an inner ring and an outer ring. The second support member is rotatable relative to the first support member about a second axis perpendicular to the first axis. A gear is engaged with one of the inner ring and the outer ring, and a lift line is coupled with the boom.