Improvements in the push-button devices for the operation of the retractor tip in writers. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the push-button devices for the operation of the retractable tip in writing tools, characterized in that the replacement tank of the tool is supported by its upper end, by action of a spring, on an axially and angularly displaceable cylindrical element, controlled by a push-button and capable of effecting, at each push-button pressure, an angular path stopping alternately in several axial positions corresponding to the positions of the exit and entry points. (Machine-translation by Google Translate, not legally binding)