Patent ID: 11873651
Assignee: AKCHURIN INC
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 9:
10. A door system for a prefabricated modular structure comprising; an air duct; said air duct further comprising two parallel upright ducts configured to adjacently connect to a wall; wherein a first ends of each of said two parallel upright ducts connecting to a floor panel; and wherein a second ends of each of said two parallel upright configured to connecting to an interfloor floor panel; said air duct further comprising a horizontal beam spanning said two parallel ducts and connecting obliquely thereto below said second ends; a first portion of a door frame, said first portion forming a perimeter around one side of said air duct; a flange of said first portion, wherein said flange extending inwardly through aperture created by said air duct; a second portion forming a perimeter around a side of said air duct opposite said one side being covered by said first portion; a flange of said second portion said flange of said second portion extending forward through said aperture to couple with said flange of said first portion; and a door, said door hingingly attaching to said second portion; wherein one section of said duct being in first air channeling communication with said floor panel; and wherein a second section of said duct being in an independent air communication with said floor panel and with said interfloor floor panel above said floor panel.