SLIDE TYPE LID STRUCTURE

A sliding lid structure includes a sheet base material capable of being curved in a sliding direction; and a plurality of ribs disposed on a lower surface side of the sheet base material at intervals in a sheet base material sliding direction, two ends of the rib engaging guide grooves being formed at two sides of an opening of a device main unit and having curved groove parts, and opening and closing the opening by sliding along the guide grooves. The sheet base material includes a multiplicity of axially supported parts positioned on two sides of the lower surface side of the base material and provided at predetermined intervals in a longitudinal direction, and the rib includes rib uppers arranged inside the axially supported parts on the two sides and attachable to and detachable from a sheet base material lower, shaft supports engaging the axially supported parts, and projections that fit into the guide grooves; and is rotatably or swingably supported with respect to the sheet base material centered on the shaft supports.