Device for fastening the cap of a fountain pen upon the rear portion of the body or barrel of the pen

摘要

Cap of improved fountain pen, comprising an annular member arranged inside said body and provided with axial extensions, each of which is provided with a part arranged to protrude, through a corresponding perforation of said body, with respect to the surface exterior of the latter, in order to cooperate with the internal surface of said cover, characterized in that each of said extensions is deformable by flexion to generate, as a consequence of such flexion, pressures between said parts and the internal surface of the cover when it is placed on said body. (Machine-translation by Google Translate, not legally binding)