Patent ID: 7845119
Filing Date: 2010-12-07
Classification: E04G

Abstract:
1. An access unit for location in an opening in an upper floor, the access unit comprising: a support frame having a generally only the second member having a pair of spaced apart vertically adjustable props which are pivotably attached adjacent the base frame of the second member for supporting the second member at a desired level; the first member having a flame arranged for overlying a support surface, at the first location, so that the flange at least partially overlaps a surface of the first location and solely vertically supports the first member at the first location; and the pair of spaced apart adjustable props of the second member facilitate positioning of the second member at substantially a same level as the first member, supported by the flange, so as to position the support frame of the access unit within a stairwell in a substantially horizontal orientation.