Patent ID: 9556612
Date: 2017-01-31
CPC Classifications: E04B,E04C,E04H

Claim:
1. A floor assembly for a modular building unit, comprising: bottom rails forming a perimeter of said floor assembly; and a plurality of floor joists extending between two of said bottom rails, each said floor joist further comprising a bottom generally horizontal wall, a horizontal slot wall above said bottom wall extending over a portion of said bottom wall and forming a slot between said slot wall and said bottom wall, a vertical wall extending upward from said slot wall, and a top horizontal floor support wall extending outward from said vertical wall; a plurality of sub-floor sheets positioned between adjacent floor joists, wherein a first edge of a first sub-floor sheet is positioned within said slot, and wherein a second edge of said sub-floor sheet is positioned on a top surface of said slot wall; and a removable fastener extending through said vertical wall of said floor joist above said second edge of said sub-floor sheet and positioned to block upward movement of said second edge of said sub-floor sheet.