TRUSS ASSEMBLY FOR STRAIGHTENING BOWED PANEL OF AN INSULATED SECTIONAL DOOR

TRUSS ASSEMBLY FOR STRAIGHTENING BOWED PANEL OF AN INSULATED SECTIONAL DOOR

A flat strap is provided to extend co-extensively of the panel. The ends of the strap are secured to the heavy gauge steel end caps which bracket the side ends of the panel, so as to lie flatly thereagainst. A jack device is positioned between the strap and the central portion of the panel. The jack...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MIHALCHEON, ARTHUR A
Format: Patent
Sprache:eng ; fre
Schlagworte:
DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL
FIXED CONSTRUCTIONS
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES
LADDERS
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Beschreibung
Zusammenfassung:A flat strap is provided to extend co-extensively of the panel. The ends of the strap are secured to the heavy gauge steel end caps which bracket the side ends of the panel, so as to lie flatly thereagainst. A jack device is positioned between the strap and the central portion of the panel. The jack device is extended axially to bias the strap away from the panel, whereby a force is applied perpendicularly to the central portion of the panel face, thereby preventing the panel from bowing inwardly and maintaining it straight, thereby maintaining the seal of the panel against the door opening frame.