Improvements in the roman scales printers (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in roman scales printers, characterized by the arrangement, behind the slot or mailbox for the introduction of the printing card, of two sliding plates as gates, comprising one of one opening and the other of a extension that can coincide with said mailbox, whose plates are provided with means of manual operation to place them in the respective opening positions of the mailbox, said means of driving the plates being related, on the one hand, with a rack and pinion mechanism for driving the pylon carrying rule and the complementary rules to determine the balance of the roman, and on the other hand, with the same roman, in such a way that the mailbox is blocked, preventing the introduction of the card, if any of the rules of the roman is not located in the position corresponding to an exact number indicator of the units of p that of the respective order, or if the roman is not exactly balanced. (Machine-translation by Google Translate, not legally binding)