Movable or removable closures – Frame with closure feature
Patent
1981-02-25
1983-03-15
Kannan, Philip C.
Movable or removable closures
Frame with closure feature
E06B 104
Patent
active
043763545
ABSTRACT:
The present invention is an improved prefabricated door assembly including a frame member, hinges, strike plates, and cover plates. The frame member is formed of a web having a first and second longitudinally extending portion and side flanges extending from the lateral edges of the web to circumscribe the wall. The web defines two slots extending the length of the frame and generally aligned substantially normal to each other. The hinges include hinge plates having two projecting tongues to engage the frame in the above slots. The strike plates and cover plates similarly include projecting tongues to engage the slots of the frame, so that the entire assembly results in a frame with a smooth, continuous, and pleasing surface.
The web of the frame frequently includes a longitudinally-extending ridge complementary to a smaller, longitudinally extending groove on the plates, which induces flexion of the plates and results in better locking of the plates in the frame.
REFERENCES:
patent: 3287856 (1966-11-01), Passovoy
patent: 3299592 (1967-01-01), Cable
patent: 3545135 (1970-12-01), Lieber
patent: 3774345 (1973-11-01), Cole et al.
patent: 3783559 (1974-01-01), Yocum et al.
patent: 3964214 (1976-06-01), Wendt
patent: 4034514 (1977-07-01), Cecil
patent: 4236354 (1980-12-01), Passovoy
Anodex
Kannan Philip C.
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