Improved device for the actuation and replacement of the carmine bar in a lab pencil case (Machine-translation by Google Translate, not legally binding)

摘要

"PERFECTED DEVICE FOR THE OPERATION AND REPLACEMENT OF THE CARMEN BAR, CONDITIONED IN A LIPSTICK CASE", characterized by the fact that next to the upper mouth of the cylindrical wall, constituting the tubular case of the case and in the point where the spiral helical groove, in conjunction with the vertical guide groove, placed in the position of maximum advance the integral pivot of the carriage carrying the carmine bar, has provided that the vertical guide groove, provided in the tubular body inside, forms a retention strangulation, to which end said vertical guide is partially interfered with by a tongue, resulting from a suitable punching of the sheath itself, whose tongue establishes a strong friction against the integral pivot of the bowl, exerting a brake effect and limitation of career that prevents the accidental expulsion of the same, although the guide is extended to make possible the extraction of the cazolet a, to effect the pencil replacement. (Machine-translation by Google Translate, not legally binding)