ES254825A1 - Liberating or zero-setting device of the counter mechanism in calculating machines (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Releasing device or zeroing of the counter mechanism in calculating machines, particularly in machines of the pin type, in which all the calculating or number wheels are arranged on a common shaft, and a release rod accommodated in a groove the longitudinal axis of the shaft cooperates at one end in contact with a cam arranged in a gear rotationally supported on the shaft and in cooperative contact, in turn, with a driving member such as a toothed segment that is put into action at the time of laying at zero, and cooperates in a coupling contact with a fixed guide member attached to the stationary frame of the machine, said release rod being provided with teeth that are put into cooperative contact or meshed with corresponding organs (teeth, notches, etc.). ) of the calculating wheels or numbers to be zeroed, returning said releasing rod to its inactive position after finishing nothing sets it to zero; characterized said mechanism by the fact that the rotation of the release rod and the shaft is prevented from rotating during the first phase of the zeroing rotation performed by said gear wheel by the fixed guide member, the release rod moving in the purely direction axial to achieve a cooperative engagement or gear with the calculating wheels or numbers by the action of the sprocket cam that cooperates in contact with the lobes of the same, while continuing to turn the sprocket will wed such a hitch of the tree and the release rod with the fixed guide member that prevents the rotation of both, thus allowing the shaft and the release rod to be driven in rotation by the toothed wheel and, consequently, rotate the calculating or number wheels to their positions zero, with the cogwheel being then returned to its original inactive position. (Machine-translation by Google Translate, not legally binding)