Fabric panel clean change-out frame

Details Fabric panel clean change-out frame Fabric panel clean change-out frame

1993-03-18

1995-01-31

Johnson, Blair M.

Flexible or portable closure, partition, or panel

With nonrigid frame or border elements

160327, 1603681, 405128, 588249, 588900, 52222, 524891, A47H 2300

Patent

active

053851943

ABSTRACT:
A fabric panel clean change-out frame, for use on a containment structure having rigid walls, is formed of a compression frame and a closure panel. The frame is formed of elongated spacers, each carrying a plurality of closely spaced flat springs, and each having a hooked lip extending on the side of the spring facing the spacer. The closure panel is includes a perimeter frame formed of flexible, wedge-shaped frame members that are receivable under the springs to deflect the hooked lips. A groove on the flexible frame members engages the hooked lips and locks the frame members in place under the springs. A flexible fabric panel is connected to the flexible frame members and closes its center.

REFERENCES:
patent: 2489477 (1949-11-01), Brecher
patent: 2744346 (1956-05-01), Auerbach-Levy
patent: 3149665 (1964-09-01), Hanford
patent: 3186712 (1965-06-01), Kessler
patent: 3205628 (1965-09-01), Frisk
patent: 3405489 (1968-10-01), Frisk
patent: 3553942 (1971-01-01), Harrington et al.
patent: 5058340 (1991-10-01), Muller

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