Steel-wood Double-sided 5-level Active Periodical Shelf
Display board height adjustment along the column in the vertical direction. Display boards hanging plate fixed to the two ends of the stepped bolts, with a spring fixed to the hanging plate and display board. Display boards stretching the spring action flip up and down. The separator is a parallel state when the display panel is not expanded. When expand the display board along an arc above the diaphragm to flip a 68 ° angle. Display panel can display for viewing journals. Display boards can be stored behind the books, the effective use of space. Tertiary institutions, libraries, archives stored over to display the book loaded with information.