Movable or removable closures – Frame with closure feature – Adjustable frame
Patent
1987-07-28
1988-12-20
Kannan, Philip C.
Movable or removable closures
Frame with closure feature
Adjustable frame
52212, E06B 104
Patent
active
047917580
ABSTRACT:
A door frame having a hinged jamb, a strike jamb and a header, each of which is in two parts. One part of each pair has a channel for slidably receiving a lipped segment of the other part. A lipped cover on the first part engages the lipped segment of the second part to limit movement of the two parts relative to one another. A biasing means on the first part urges the two parts against one another. The biasing means is rigidly affixed to the first part and extends across the channel to leave a small gap through which the lipped segment of the first part can be rotatably inserted.
REFERENCES:
patent: 3420003 (1969-01-01), Cline
patent: 3571995 (1971-03-01), Kasprzak
patent: 3808759 (1974-05-01), Carmichael
patent: 4395855 (1983-08-01), Juker
"Adjusta-Fit" Brochure of General Products Co., Inc. Fredericksburg, VA.
Brochure of the Ceco Corporation, Oak Brock, Ill.
"Adjusta-A-Frame" Brochure of the Kewanee Corporation, Kewanee, Ill.
Bauer Gunther H.
Buck David J.
Kannan Philip C.
Windor Manufacturing Ltd.
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