Metallic case for e.g. electrical command unit, has blind hole on side of triangular jumper lugs situated towards cover closing parallelepiped body, and cooperating in air-tight manner opposite to inner space of body with screw to fix cover

摘要

The case has a parallelepiped body to be closed by a cover (11), where ends of straightened edges situated at corners of the body are connected by transition edges, directed to form at the corners of the body, triangular jumper lugs. A blind hole (22) is provided on the side of the lugs situated towards the cover. The hole cooperates in an air-tight manner opposite to inner space of the body with a screw (21) for fixing the cover.