WATERPROOF ADVERTISEMENT BOARD INTO WHICH AN ADVERTISEMENT SHEET IS INSERTED

摘要

PURPOSE: A waterproof advertisement board is provided to prevent the malfunction of an advertisement sheet and an illuminating unit due to rain drop and moistures.;CONSTITUTION: A body frame is composed of an upper bar(10a), sidebars, and a lower bar(10d). The upper bar has a hinge shaft(11). The sidebar does not have a hinge shaft. The hinge shaft is coupled with a fixing hole(21) of a cover frame(20) and has a foldable structure. The inner circumference of a cover frame surrounds the outer circumference of a body frame and prevents the inflow of water and moisture.;COPYRIGHT KIPO 2010