Variable frame for the reception of naturally stiff display arti

Details Variable frame for the reception of naturally stiff display arti Variable frame for the reception of naturally stiff display arti

1976-01-08

1977-03-29

Mancene, Louis G.

Card, picture, or sign exhibiting

Display card

Having a curved display panel

40156, G09F 112

Patent

active

040141195

ABSTRACT:
A frame for displaying sheets which has a generally U-shaped track for placement over one or more edges of the sheet. The track has a center section and a pair of spaced-apart legs protruding from the center section, the spacing between the legs being greater than the thickness of the sheet so that sheets of varying thicknesses can be received in the track. One of the legs depends at an acute angle from the center section towards the other leg and has itself an L-shaped cross-section so that it ends in a protrusion extending away from a remainder of that leg and the center section. A triangular tightening bar has a pair of perpendicular sides and an angularly inclined side joining the perpendicular sides. The perpendiculr sides engage the sheet and the center portion, respectively. The perpendicular side of the tightening bar engaging the center section is disposed between the sheet and the rib and a T-shaped clamp supported by the L-shaped leg applies a force to the tightening bar via a bolt threaded into the clamp for moving the bar parallel to the center section towards and into engagement with the sheet so that the sheet can be clamped between the bar and the other leg of the track. The clamp further includes an arm for securing the track and the sheet to an upright support wall.

REFERENCES:
patent: 2633653 (1953-04-01), Angus et al.
patent: 2970397 (1961-02-01), Roseman
patent: 3132431 (1964-05-01), Petrie
patent: 3613280 (1971-10-01), Tuchinsky et al.

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