Patent ID: 8186112

Claim:
A mechanical header for spanning a corridor in a building and for hanging mechanical equipment therefrom, the corridor comprising a first wall structure and a second opposing wall structure, the mechanical header comprising: a first angle member comprising a first generally horizontal portion and a first generally vertical portion, wherein the first generally horizontal portion extends away from the first generally vertical portion in a first direction; a second angle member comprising a second generally horizontal portion and a second generally vertical portion, wherein the second generally horizontal portion extends away from the second generally vertical portion in a second direction opposite the first direction; and a spanning beam comprised of two angle irons joined together along a flange of each angle iron in an overlapping fashion to form a generally C-shaped beam, wherein said spanning beam is welded to the first generally vertical member and extending away from the first generally vertical member in the second direction, the spanning beam also welded to the second generally vertical member and extending away from the second generally vertical member in the first direction, wherein the first generally horizontal portion is configured to rest on top of the first wall structure the second generally horizontal portion is configured to rest on top of the second wall structure such that spanning beam generally spans the corridor and hangs just at or below the level of the top of the first and second wall structures.