Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Movably interconnected
Reexamination Certificate
2005-03-29
2005-03-29
Lev, Bruce A. (Department: 3634)
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Movably interconnected
C160S133000, C160S238000
Reexamination Certificate
active
06871686
ABSTRACT:
An articulated collapsible planar structure (10), including a number of parallel rigid beams (12) of substantially trapezoid cross-section rigidly attached in close formation. The structure (10) is rollable into a compact cylindrical package when the thin sheet faces the center of curvature and forms a curved structure when the beams face toward the center of the curvature.
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Machine Design—Jun. 15, 2000 “Guidelines for Bonding Plastics”.
Friedman Mark M.
Lev Bruce A.
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