Patent ID: 8042653

Claim:
An adjustable work platform comprising: a first aluminum ladder section and a second aluminum ladder section, each of which is adjustable in height, each ladder section includes an outer ladder assembly and an inner ladder assembly that move relative to each other, each outer ladder assembly includes a first outer rail and a second outer rail, each ladder section includes a first latch assembly and a second latch assembly, and each first outer rail and each second outer rail have a hole through which the first and second latch assemblies mount to the first and second outer rails, respectively; and an aluminum deck assembly adjustable in length supported by and pivotally attached to the first and second ladder sections, the deck assembly includes a first deck half and a second deck half that slide relative to each other and fit together, each deck half has an outer deck rail and a plurality of inner deck rails, the inner deck rails of the first deck half fit between the inner deck rails of the second deck half, the deck assembly includes a deck end extrusion, rail guides and a top cross bar and a bottom cross bar, and each outer and inner deck rail are attached to the deck end extrusion, corresponding rail guides and the top and bottom crossbars, each ladder section folds onto the deck section into a collapsed position; each outer ladder assembly includes a top rung and a lower rung, and the first outer rail and the second outer rail are connected by the top rung and the lower rung; each inner ladder assembly includes a first inner rail and a second inner rail, and a first step and a second step which are attached to the first and second inner rails; the inner ladder assembly includes a pivot plate attached to each inner rail, and a latch mechanism pivotally attached to each inner rail and the pivot plate, the deck assembly pivotally attached to each inner ladder assembly through each of the pivot plates; wherein the deck assembly includes a deck adjustment clamp for securing each deck half together; wherein the deck adjustment clamp includes a clamp block and a clamp handle pivotally amounted to the clamp block, the clamp block is keyed to the top and bottom cross bars of one of the deck half; the clamp block fits within and slides freely into an outer channel of the outer deck rail the other deck half and along the length of the outer deck rail of the other deck half, and in an engaged position, the clamp handle clamps against the outer deck rail of the other deck half to hold the outer deck rail of the other deck half in place and in a disengaged position allows the outer rail of the other deck half to move relative to the clamp block.