Closure fasteners – Clamps – Ring
Patent
1976-07-12
1978-08-01
Moore, Richard E.
Closure fasteners
Clamps
Ring
292258, E05C 1918
Patent
active
041039483
ABSTRACT:
An anchoring device for use on an access door having an outer framework adapted to be fitted in a rough opening formed in a ceiling or wall and having an exposed frame flange for hiding the rough opening, the anchoring device having a pressing member having the leading end urged to engage the ceiling or wall and forming a U-shaped bracket in cooperation with the web portion and frame flange of the outer framework and an anchor urging the pressing member into engagement with the framework.
REFERENCES:
patent: 1539092 (1925-05-01), Krug et al.
patent: 2884649 (1959-05-01), Scharmer
patent: 3165341 (1965-01-01), Burns et al.
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