A device for writing the type of boligrafo. (Machine-translation by Google Translate, not legally binding)

摘要

A writing device of the type of pen that includes a writing element in the form of a rod accommodated in a body of the domed cylinder type, the writing element being forced to move between a first position, in which its writing tip protrudes from the bulged cylindrical part and a second extreme position in which the element is located in the bore of the domed cylinder, the movement of the element between the two extreme positions being achieved by means of gravity by rotating the device; adopting the back of the bore of the convex shaped cylinder to define a recess to accommodate the back of the writing element when it is in its second position and the entrance of the funnel area of reduced diameter in relation to the bore, defining a step the beginning of the funnel. (Machine-translation by Google Translate, not legally binding)