Mounting system for flat panel display or keyboard

(57) It connects with multiplex for supporting a summary flat panel video display (216) and/or a keyboard tray (1010) ], and the pivot was carried out and it wearing system (1200) per indicates. This flat panel video display incorporates the support arm (224) for pivots, and a keyboard tray incorporates the support arm (1014) for pivots. The support arm for pivots (224, 1014) carries out the rotational movement of a flat panel video display (216) and/or the keyboard tray (1010) for two or more perpendicularity and the axis line of level and the up-and-down direction as a center. The support arm for pivots (224, 1014) gives further the up-and-down direction arm control which does not need regularity and predetermined positioning efforts by the video display operator and/or keyboard-grabbing person side.