Patent ID: 8191680

Claim:
A support assembly for the movement of a person on an elevated structure, the support assembly comprising: an elongate guide having a section and opposing stops at opposing ends of the elongated guide, the elongated guide mounted on an elevated structure for the movement of a person on the elevated structure; a base adapted to engage the elongate guide and capable of movement along the elongate guide between the two stops while remaining engaged therewith, the base including a longitudinally extending channel with a traverse cross section, wherein the traverse cross section is adapted to receive the section of the elongated guide; and a support structure with a first portion pivotally connected to the base and a handle with a locking handle spaced from the base on the support structure, the first portion including a lock for selectively locking the support structure via the pivot connection in an intermediate attitude relative to the base at an inclination between a generally upstanding attitude and a generally horizontal attitude using the locking handle, and wherein the locking handle is for selectively engaging and disengaging the lock to pivot of the support structure in relation with the base.