Compression clamp for a picture frame

Details Compression clamp for a picture frame Compression clamp for a picture frame

1986-08-21

1987-09-22

Kundrat, Andrew V.

Card, picture, or sign exhibiting

Display card

Having a curved display panel

403402, 403295, G09F 112

Patent

active

046945989

ABSTRACT:
A clamping device is described as being a flat plate with depending flanges or arms which extend, firstly, from opposing marginal edges of the plate in a direction normal to the plane of the plate and, secondly, towards each other in a plane parallel to the plane of the plate and, lastly, terminate at free distal ends which converge towards each other in the direction of an opening in the plate, which opening threadably receives a screw which, when rotated into contact with the distal ends, causes expanded movement of the plate and arms into compressive relation with adjacent walls of a channel in which the device is employed as a fastening mechanism.

REFERENCES:
patent: 4377915 (1983-03-01), Zossimas et al.
patent: 4538936 (1985-09-01), Zeidl

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