Patent ID: 7515431

Claim:
A handheld computing device, comprising: a user interface assembly including one or more operational components of the handheld computing device, the operational components including user interface elements; and a seamless enclosure having at least one access opening, formed from an extruded tube having a substantially seamless construction with a substantially uniform cross section along a longitudinal axis of the extruded tube, the extruded tube including: open ends and internal side rails parallel to the longitudinal axis which serve as a guide for slidably assembling the user interface assembly through the open ends of the extruded tube, a reference surface for positioning the user interface assembly relative to the access opening in the seamless enclosure, and a support structure for supporting the user interface assembly during use, wherein at least one user interface element is positioned at the access opening to provide user access, the access opening allowing a user to interact with the user interface element therethrough.