Device for tensioning material on frames

Details Device for tensioning material on frames Device for tensioning material on frames

1983-08-17

1985-10-29

Caun, Peter M.

Flexible or portable closure, partition, or panel

Framed type

Adjustable frame size

G09F 112, A47G 100

Patent

active

045495963

ABSTRACT:
A frame for stretching artists' canvases comprises hollow sections (1, 2), in the recesses of which are inserted an insert (3, 3') that forms an angle at the corners. Each insert has a notch (4, 4') in which the bent end of a square spring (5, 5') fits. The spring is solid at the other end with a block (6, 6') that can slide in a guide (1', 2') and is provided with a tension screw (7, 7'). By the screw being tightened, the sections (1, 2) are thrust outward, leaving a space (10) between them, and causing the stretching of the canvas.

REFERENCES:
patent: 1562153 (1925-11-01), Elbern
patent: 1771039 (1930-07-01), Hedglon
patent: 3625274 (1971-12-01), Johnson
patent: 4006771 (1977-02-01), Spurkel
patent: 4319420 (1982-03-01), Clinton

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