Patent ID: 8191219
Filing Date: 2012-06-05
Classification: G11B,Y10T

Abstract:
1. An external box assembly, comprising: a casing body having an opening formed on one side thereof, wherein a retaining groove is arranged on the inner bottom surface thereof proximate the opening; a cover body coveringly disposed on the casing body; and a retaining body adapted to enclosingly couple the case body and the cover body, including a first retaining element engageable with the retaining groove, wherein the first retaining element has a slanted surface arranged toward the opening; and a push block accessibly arranged to slide on the inner bottom surface of the casing body, the push block having a wedge surface arranged toward the opening and correspondingly aligns the slanted surface of the retaining body, wherein the first retaining element is raisable by the push block to disengage from the retaining groove, thereby enabling the release of the cover body from the casing body.