Patent ID: 8695249

Claim:
An external elevator/advertising board system for a building, comprising: at least one elevator carriage, the elevator carriage having a bottom, side panels and an elongate front panel disposed at an acute angle with respect to the horizontal, the front panel having an advertisement displayed thereon; wherein said elevator carriage comprises an open box frame, and the bottom of said at least one elevator carriage comprises an elongate floor panel and an elongate bottom panel disposed below the floor panel and defining a space therebetween, the space forming a compartment, said power assembly disposed within the compartment, said control console being mounted adjacent to said floor panel in operative connection with said power assembly; a pair of brace roller assemblies pivotally mounted on the side panels of at least one elevator carriage, each of the brace roller assemblies having a pair of brace rollers; wherein each said brace roller assembly comprises an angled, open frame having a radiating first member and a radiating second member angularly spaced with respect to each other; at least one pair of track assemblies, each of the track assemblies being adapted for mounting to a side of the building; a power assembly mounted adjacent to the bottom of the at least one elevator carriage, the power assembly drivingly engaging the at least one pair of track assemblies, each of the brace roller assemblies being disposed above the power assembly to substantially counteract pivoting of the elevator carriage; and a control console mounted to the at least one elevator carriage, the control console being operatively connected to the power assembly, wherein selective operation of the control console activates movement of the at least one elevator carriage along the at least one pair of track assemblies at a selected speed to a selected level on the corresponding side of the building.