Data processor enclosure with tambour door

A processor enclosure of the type having a supporting frame and a relatively wide front with an opening for access to apparatus within the enclosure, wherein the improvement comprises,

• a horizontally slideable door having a horizontal length to cover a predetermined portion of said opening when the door is closed,
• first stationary track means mounted along the top and bottom of the frame to support the door along said predetermined portion of said opening,
• a canister extending horizontally along the opening from approximately one end of the stationary track means to a vertical corner edge of the enclosure, the portion of the opening covered by the door being approximately twice the portion covered by the canister, and means for pivoting the canister at the edge of the enclosure to swing between an open position and a closed position,
• a second track means mounted in the canister and having a length in a U shape to receive said door completely within the canister and separated from said first stationary track means when the door is open and to receive an edge of the door to provide a seal when the door is closed, a first portion of said U shaped track being aligned with said stationary track means,
• said door having a vertical tambour structure that is flexible at least in the portion that is moved through the bend in the U shaped track during opening and closing of the door.