A dual screen display
system (10) having, a base (24), a pair of electronic display screens (16), an arm
assembly (20, 22) supporting the display screens (16) and connected to the base, swingable mountings (28, 30) for swingably mounting the display screens, the mountings being adjustable as to the
angular orientation of each of the display screens relative to the arm
assembly between a first arrangement with the screens in a common plane, and a second arrangement in which the screens are inwardly swung positions thereby to permit each of the screens to be swung into desired operative
angular orientation, and adjustable movement limiting devices (54), engaging the swinging mountings and limiting movement of the screens. Also disclosed are interchangeable mounting brackets (80, 86) for mounting screens of varying sizes, or for mounting screens in various configurations, and hingeable screens (12A, 12B) swingable to display to opposite sides, and a swingable ball and socket mounting for mounting various articles in a desired orientation. Various alternative embodiments of support arm assemblies are disclosed.