Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Components adjustably or collapsibly connected
Patent
1994-12-09
1996-04-02
Wood, Wynn E.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Components adjustably or collapsibly connected
526561, 526569, 403 61, F16C 1100
Patent
active
055029434
ABSTRACT:
A display frame work is described in terms of a display header, with upper and lower horizontal tubes and vertical end tubes to define a rectangular frame to which a flexible cloth, paper or plastic header panel is attached. Each of the horizontal members has a central hinge with a horizontal pintle from which leaves extend in opposite directions when the device is assembled. One of the leaves is fixed in a central tube; the other is constructed to permit the tube to which it is mounted to slide toward and away from the pintle. The fixed leaf has a locking tab projecting beyond the pintle, and the sliding travel of the tube that is slidably mounted is from a position clear of the locking tab to one embracing the locking tab. Outboard end sections of the horizontal members are hinged to the central tube members in a way similar to that of the two central tubes, but on hinges pintles of which are oriented perpendicularly to the central member hinge pintle. The tubes are hollow and open ended. The vertical end members have, projecting at right angles from the vertical end members, fingers that extend into the open ends of the outboard sections of the horizontal members. The vertical end pieces have, at one end, a hook, pivotally mounted on a knuckle carried by a leaf mounted on one side surface of the vertical end member.
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patent: 4824278 (1989-04-01), Chang
Optima Graphics
Wood Wynn E.
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