Patent ID: 7334361

Claim:
An access system for a display panel assembly, comprising: a case; an LED display panel coupled to a front of the case for movement between a closed position and an open position; a linkage assembly coupled to an inside surface of the case and an inside surface of the LED display panel, the linkage assembly configured to move the LED display panel in a first generally non-rotational direction and a second generally rotational direction; the linkage assembly comprising: a first bracket having a slot formed therein and coupled to the inside surface of the case; a second bracket coupled to the LED display panel; a first link having a first end with a slide member configured for movement within the slot and a second end coupled to the second bracket; a second link having a first end pivotally coupled to the first bracket and a second end pivotally coupled to a third link and wherein the third link is pivotally coupled to the second bracket; and wherein at least one of the links includes an L-shaped cross section defining a first leg and a second leg, the first leg having a guide member that slides along a structural portion of the case as the LED display panel is moved from the closed position to the open position.