VARIABLE VOLUME DEVICE Russian patent published in 2020 - IPC G09F15/00 A47F5/10 B65D5/355 

FIELD: advertising and exhibition.

SUBSTANCE: invention area is design of points of sale, in particular registration of information stands for visual communications or advertising. Device with variable volume comprises body in form of polygon, which is symmetric truncated pyramids with common lower base. Collecting element with retainer is arranged inside housing in plane of common lower base. One end of the tension elements is fixed on the retainer of collecting element, and by the other end they are fixed on the ribs of the common lower base.

EFFECT: invention provides simplified mounting and disassembly of variable volume device.

1 cl, 4 dwg