Patent ID: 8641587

Claim:
A method comprising: providing a post; providing an arm assembly and pivotably connecting the post and the arm assembly at one or more connection points; providing a set of beams comprising an upper beam set and a lower beam set, wherein the upper beam set and the lower beam set each comprise one or more beams; pivotably connecting the set of beams to the post, wherein the post is connected to the upper beam set and the lower beam set such that the lower beam set and the upper beam set are positioned at a first distance apart from one another at their connection point with the post; pivotably connecting a platform to the set of beams, wherein the platform is connected to the upper beam set and the lower beam set such that the lower beam set and the upper beam set are positioned at a second distance apart from one another at their connection point with the platform; and providing a lift tube having a length and pivotably connecting the lift tube to the upper beam set at one or more connection points and the arm assembly at one or more connection points.