Static structures (e.g. – buildings) – Framing to receive door – doorjamb – or window sash
Patent
1995-07-18
1997-02-18
Friedman, Carl D.
Static structures (e.g., buildings)
Framing to receive door, doorjamb, or window sash
52211, 52213, 52217, 49504, E06B 104
Patent
active
056031912
ABSTRACT:
A plastic door frame structure and a method of mounting the same after a threshold is installed in a door hole including fixing a packing rail on a wall of the door hole, fitting an outer rail on the packing rail and adjusting the horizontal or vertical position of the outer rail, arranging a link rail at either lateral side of the outer rail such that the link rail conceals a clearance formed between the outer rail and the wall and passing screws through the link rail and the outer rail into the packing rail to keep the outer rail firmly in place, and fitting a seal strip onto the link rail to accomplish an integral plastic door frame, which is cut at 45 degrees at appropriate positions to obtain an inverted-U shaped door frame with the lateral sides perpendicular to the top side.
REFERENCES:
patent: 2316425 (1943-04-01), Hosenburger et al.
patent: 3552085 (1971-01-01), Woodrum
patent: 3721055 (1973-03-01), Jerchower
patent: 4226066 (1980-10-01), Persson
patent: 4281480 (1981-08-01), Wendt
patent: 4698944 (1987-10-01), Wilkins, Jr.
patent: 5345722 (1994-09-01), McKann
Edwards W. Glenn
Friedman Carl D.
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