Picture frame assembly

Details Picture frame assembly Picture frame assembly

1983-04-28

1985-05-14

Mancene, Gene

Card, picture, or sign exhibiting

Display card

Having a curved display panel

403402, G09F 112

Patent

active

045163413

ABSTRACT:
A picture frame made of metal extrusions of identical cross sectional shape is assembled at its corners by the use of corner plate assemblies and cam operating buttons. The corner plate assemblies include a reaction plate having cam ramps formed therein, and a reaction sub-plate. The two plates are in closely-spaced parallel relationship to each other. There is an offset in one of the plates at the corner where it is welded to the other plate. The cam operating buttons are caged between the plates but can be operated by a quarter turn with a screwdriver which will tighten or loosen the corner assembly in two picture frame members joined at a corner, to thereby secure the frame members together at a corner.

REFERENCES:
patent: 2654451 (1953-10-01), Schmidgall
patent: 3534490 (1970-10-01), Herbert
patent: 3965601 (1976-06-01), Nielsen
patent: 4122617 (1978-10-01), Nielsen
patent: 4124323 (1978-11-01), Freeman
patent: 4236847 (1980-12-01), Yasuda
patent: 4377915 (1983-03-01), Zossimas et al.
patent: 4403434 (1983-09-01), Jenkins

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