Cover sheet assembling apparatus for electronic component

A cover sheet assembling apparatus for assembling a cover sheet in an electronic component comprising a case having an opening, terminal plates and an element being stored in said case, said terminal plates having lead portions protruding from said opening of said case, said apparatus comprising:

• a die having a front major surface, a rear major surface and a die hole, said die hole passing through said die from said front major surface to said rear major surface and corresponding to a shape of said cover sheet;
• holding means for holding said case at a side of said front major surface of said die so that said lead portions of said terminal plates extend into said die hole;
• feed means for feeding a sheet member having slits for receiving said lead portions of said terminal plates along said rear surface of said die;
• and
• a punch for punching out said cover sheet from said sheet member in association with said die hole, said punch being able to be inserted in said die hole and in said opening of said case;
• wherein
• said punch is drivable to punch out said cover sheet from said sheet member, and to insert said cover sheet in said opening of said case so that said slits are passed through by said lead portions of said terminal plates.