Card – picture – or sign exhibiting – Display card – Having a curved display panel
Patent
1989-06-05
1991-01-01
Brittain, James R.
Card, picture, or sign exhibiting
Display card
Having a curved display panel
A47G 106
Patent
active
049809830
ABSTRACT:
A clamping spring in the form of an arch of resilient wire is mounted on a base which is fixed on the back of one side of a picture frame. The arch is capable of pivotal displacement about an axis which is parallel to the edge of the corresponding side of the picture frame. The lateral arms of the arch extend transversely and terminate in elbowed extremities which are pivotally mounted in the base. Transverse cheeks of the base are located on each side of the arch and are each provided with a flange or groove for locking the corresponding lateral arm of the resilient arch in its position of downward engagement against the base. In this position, the free end of the arch projects inwardly of the frame and is applied against the rear face of the picture. A picture is finally fixed in position when a similar device has been mounted on each side of the frame.
REFERENCES:
patent: 370214 (1887-09-01), Smith
patent: 380951 (1888-04-01), Smith et al.
patent: 1908469 (1933-05-01), Aanerud
patent: 1909821 (1933-05-01), Feder
patent: 3310901 (1967-03-01), Sarkisian
patent: 3596392 (1971-08-01), Vani
patent: 3823953 (1974-07-01), With
patent: 4041632 (1977-08-01), Sarkisian
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