Card – picture – or sign exhibiting – Check – label – or tag – Baggage checks
Patent
1995-04-20
1997-07-15
Dorner, Kenneth J.
Card, picture, or sign exhibiting
Check, label, or tag
Baggage checks
40603, 3810291, G09F 112
Patent
active
056471572
ABSTRACT:
A tension panel includes a frame, and a retaining device affixed to and retaining respective corners of a display sheet. A stretching and fixing assembly is provided which includes an L-shaped bar formed by two legs joined together to define a bent region of the bar. The legs each have a free end attached to the frame so that the bar is movable from a raised position, through an intermediate position, to a lowered position in which the bar lies essentially flush with the frame. The assembly further includes a resilient member having one end attached to the bent region of the bar, and another end attached to the retaining device for exerting a tensile force on the retaining device when the bar is in the lowered position. The tensile force extends in a direction along an imaginary line that divides an interior angle of the respective corner into two angles, so as to stretch and fix the display sheet on the frame. When the bar is in the raised position, the tensile force is not exerted. When in the intermediate position, the bar exhibits an unstable condition. When the bar is in a position that is between the intermediate position and the lowered position, a component of the tensile force urges the bar into the lowered position.
REFERENCES:
patent: 4023488 (1977-05-01), Zimmer
patent: 4028832 (1977-06-01), Wu
Abisare Co., Ltd.
Davis Cassandra
Dorner Kenneth J.
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