Patent ID: 8310820
Filing Date: 2012-11-13
Classification: G06F

Abstract:
1. An electronic device comprising: a housing comprising an exterior cover, the exterior cover comprising an inner wall surface facing an inside of the housing; a first rib integrated with the inner wall surface as one unit, and arranged to define a plurality of first sections therein; a second rib integrated with the inner wall surface and the first rib as one unit, and arranged to define a plurality of second sections therein; a plurality of projection portions projecting from the inner wall surface, each of the plurality of projection portions being integrated with the inner wall surface and located within a respective one of the plurality of first sections; and the projection portions are configured to be pushed by push-out pins for removing the exterior cover from a mold; and third ribs connecting the first rib and the projection portions, respectively, the third ribs being continuous to the second ribs, respectively; and the second sections surround the first sections; each of the projection portions is located at a central portion of each respective one of the plurality of first sections; and the plurality of third ribs radially extend from the projection portions, respectively, and project from the inner wall surface further than the projection portions.