Patent ID: 6129237
Filing Date: 2000-10-10
Classification: B65D,G06F

Abstract:
A structure for opening/closing an opening in an upper surface of a case, comprising:a cover foldable in halves around a connection, the cover having one end and another end,a hinge provided at an end of the case and to which the cover is movably coupled at its one end;engaging pins provided at the other end of the cover for slidably engaging the other end of the cover and the case; anda guide groove disposed on the case for guiding the engaging pins along the upper surface of the case;whereby the cover is folded in halves upward about the connection as the engaging pins are guided by the guide groove, moved to below the case via the end of the case by the hinge, and then disposed below the case in a state where the cover is folded in halves.