Patent ID: 8099913

Claim:
A wheeled truss for holding an appliance and being convertible to a truss with a catwalk comprising: a first truss for holding an appliance including a top end forming a walkable support and a bottom end; and, a supporting frame having a first end portion with wheels thereon with said first end portion further including a first guard rail and a second guard rail, said frame further having an opposite end portion with said opposite end portion engageable with said bottom end of said first truss for transporting and supporting said first truss as said first truss and frame are moved on said wheels, said opposite end portion engageable with said top end of said first truss when said frame is disconnected, separated and removed from beneath said first truss, inverted, located above, and reconnected to said truss with said first guard rail, said second guard rail, and walkable support cooperatively forming a catwalk above said frame; and wherein: said first truss and said supporting frame includes an interlocking mechanism comprising sleeves and extended members, with said extended members insertable into said sleeves at said bottom end when said frame is beneath said first truss and insertable into said sleeves at said top end when said frame is above said first truss with said sleeves and said extended members providing support for said supporting frame when located above said first truss; wherein said wheels extend downwardly from said supporting frame when said supporting frame is beneath said first truss but extend upwardly from said supporting frame when said supporting frame is inverted and mounted atop said first truss.