Patent ID: 8857828

Claim:
A system for displaying construction documents in electronic format in a high-dust industrial environment, the system comprising: an enclosure for housing a display screen and sealable from dust, the enclosure being sealable to minimize dust infusion and including: a front panel, a top panel, a back panel, and two side panels, each of the panels being coupled to an adjacent panel with a sealed edge to form a sealed enclosure, at least one of the panels including an intake vent to allow a flow of intake air there through; a first aperture in the enclosure for viewing an electronic display; a transparent pane mounted over the first aperture for viewing the electronic display there through; a second aperture in the enclosure for accessing an interior of the enclosure; a movable cover mounted over the second aperture and sealable around an outside perimeter of the second aperture in a closed position and movable to expose the second aperture in an open position; an electronic display mounted within in the enclosure and visible through the first aperture; a blower associated with the intake vent and having an air filter, the blower being operable to direct an intake flow of air through the air filter and into the enclosure; and a tray slidably mounted at the enclosure and extendable from a retracted position within the enclosure through the second aperture to an extended position, the tray having a rear panel operable to seal against an inside perimeter of the second aperture with the tray in an extended position, the rear panel having a plurality of outlet holes formed therein and configured to direct an outlet flow of filtered air over the tray.