Improvements in the construction of copy handles for professional laboratory (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the construction of professional laboratory copy rolls characterized in that the press itself is subdivided into several sections articulated together while one of said sections is articulated to a fixed part of the cue ball and because it is applied to each of said sections the action of independent elastic devices fixed to a hinged arm on them between a rest position in which the sections are separated from the copy screen and a working position in which the said sections are applied against said screen under the elastic action of said devices. (Machine-translation by Google Translate, not legally binding)