An apparatus including a cover; a first connection section; and a second connection section. The first connection section includes a first hinge connected to a first end of the cover. The first hinge is configured to pivotably connect the first end of the cover to a first housing section. The second connection section is connected to a second end of the cover. The second connection section is configured to connect the second end of the cover to a second housing section which is pivotably connected to the first housing section. The second connection section is configured to provide both rotational and longitudinal sliding motion of the second end of the cover on the second housing section.