| 摘要 |
<p>A collapsible lightweight exhibit panel is composed of mainly square units of pivotally connected rods, each unit being formed as a box-like frame having two opposed mainly parallel and flat vertical unit surfaces for the arrangement of posters, and horizontal and vertical side faces (1-4) defined by two rods (1a, 1b ... 4a, 4b) pivotally connected in a scissor-like manner, the ends of said rods being pivotally connected with corner joints (5-8, 9-12) located at the unit surfaces. A central joint (13) in the unit is connected with four corner joints (9-12) at one unit face through diagonally extending rods (14-17), which are pivotally connected with diagonal rods (22-25) to the corner joints (5-8) at the opposite unit face. Corner joints at one unit face are connected in a similar way with central joints in one or more adjacent units and a releasable locking device (27) is provided between one pair of opposed corner joints (8, 12) to form a connection in the erected condition of the panel. In the erected condition of the panel the unit has a substantially trapezoidal cross-sectional form, and all rods (1a, 1b ... 4a, 4b, 14-17, 22-25), joints (5-12, 13, 26) and locking devices (27) in each unit are located entirely between the unit surfaces with the pivotal connections in the side faces (1-4) and in the diagonally extending rods (14-17) being positioned substantially in a vertical central plane parallel to the unit surfaces. Thereby, different panel structures can be built, of which one and the same unit design, and posters can be arranged at both sides of the panel. </p> |
