Card – picture – or sign exhibiting – Signs – Stretched or tensioned
Patent
1998-04-13
2000-07-25
Green, Brian K.
Card, picture, or sign exhibiting
Signs
Stretched or tensioned
40590, G09F 1700
Patent
active
060923199
ABSTRACT:
A substrate upon which an advertising message may be imprinted is secured in overlying relation to an overhead-opening type of truck or trailer rear door by an assembly that includes an elongate coil spring positioned on an interior side of the overhead door. The lowermost end of the spring is secured to the interior side of the door and the uppermost end of the coil spring is connected to a lower end of a winch by a nonstretchable strap. The upper end of the winch is connected by a nonstretchable strap to a rigid rod to which the upper end of the substrate is attached. Tightening the winch increases the tautness of the substrate and loosening the winch decreases the tautness. When properly adjusted, the substrate is taut throughout the entire door-raising and lowering procedure, even though the substrate is substantially nonstretchable and even though the opening of the door requires the substrate to extend a greater distance than when the door is closed. The difference in length is compensated for by the coil spring when its resistance is properly adjusted by the winch. An apparatus including opposed, "L"-shaped brackets that are interconnected and drawn toward one another by an elongate bolt tightens the forward ends of side-covering substrates when clearance space is limited between a cab and the cargo-receiving part of a truck or trailer.
REFERENCES:
patent: 4580361 (1986-04-01), Hillstrom et al.
patent: 5058299 (1991-10-01), Suzuki
patent: 5142804 (1992-09-01), Hillstrom et al.
patent: 5349772 (1994-09-01), Pardue
patent: 5398436 (1995-03-01), Suzuki
patent: 5415451 (1995-05-01), Stanton
patent: 5649390 (1997-07-01), Davidson
patent: 5845423 (1998-12-01), Hicks
patent: 5893226 (1999-04-01), Sophocleous et al.
Green Brian K.
Smith Ronald E.
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