| 摘要 |
An adjustable door frame includes a latch jamb, a hinge jamb, two closure jambs, a base header and a closure header, each of which is unitarily formed of sheet metal. The jambs and headers are adjustably connected to accommodate variations in wall thicknesses. Each of the latch jamb, hinge jamb and base header has a flange section overlying the wall, an inside section extending into the doorway opening, a door abutment section extending perpendicularly into the doorway and a tongue section extending perpendicularly from the abutment section. Each of the closure jambs and closure header has a flange section for overlying the opposite wall surface, an inside section extending into the doorway and a folded back section defining a slot frictionally engaging the tongue sections.
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