A ROTATION SIGNBOARD

A rotation type signboard of advertisement is provided to maximize the advertizing effect by varying the advertisement contents. A frame(101) has the grid structure of the metal material. An advertisement base(102) having advertisement sentence is located in the front side of frame. The illuminating unit is installed inside the backside frame of the advertisement base. The dummy variable shift intermittently enhances the advertizing effect the advertisement content with rotation in other words by varying periodically. The dummy variable shift comprises an advertisement roll(106) and a driving unit(110). The advertisement base is reeled in both sides of the advertisement roll is the inside of frame. The advertisement roll is rotated with the bearing(107). The driving means is comprised of the motor(108) and reducer(109). The driving unit rotates the advertisement roll at the forward direction at the reverse direction in other words. The driving unit is operated by the timer(112) or the action detection sensor. The brush is installed in order to remove the foreign material.