ANGLE ADJUSTABLE BLACKBOARD CAPABLE OF FIRMLY MAINTAINING THE ANGLE ADJUSTED POSITION

摘要

PURPOSE: An angle adjustable blackboard is provided to adjust the angle of the blackboard by a mechanical design of links, thereby enhancing user convenience.;CONSTITUTION: An angle adjustable blackboard includes a frame(F), a board(B), and an angle adjusting unit. The board is installed in the frame, which is rotatable and includes a writing area. The angle adjusting unit controls the rotating angle around the frame. The angle adjusting unit includes a first link(1), a second link(2), a third link(3), and a movable bracket(4). The first link is combined with the frame, which is rotatable. A plurality of position fixing grooves(21) are formed on the second link.;COPYRIGHT KIPO 2012