Door frame

Details Door frame Door frame

1997-05-13

2000-03-28

Kent, Christopher

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Outside corner or peripherally bordered

522041, 526562, 526569, 49504, E04C 238

Patent

active

060415657

ABSTRACT:
A door frame having a threshold element (1), a pair of door posts (2) and a lintel element (3) connected together mechanically positively and non-detachably in pluggable manner. Tongues (28, 30, 32, 34) of the lintel element (3) are plugged into slots (37, 38, 39, 40) of the door posts (2) and an additional element (45) is pushed at the door post end onto the tongues. Thereafter, the additional element (45) is moved downwardly, wherein tongues (47, 49, 50, 51) of the additional element detent in slots (29, 31, 33, 35) of the lintel element (3). The upward movement of the additional element (45) is prevented by a tongue (44) that is bent into a recess (42) of the door post (2).

REFERENCES:
patent: 1327441 (1920-01-01), Mesker et al.
patent: 2741344 (1956-04-01), Herr
patent: 3769773 (1973-11-01), Mochizuki
patent: 4021988 (1977-05-01), Edeus et al.
patent: 5581953 (1996-12-01), Ruff

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