Automatically controlled numbering machine

Details Automatically controlled numbering machine Automatically controlled numbering machine

1976-11-12

1978-01-17

Rader, Ralph T.

Printing

Selective or progressive

Numbering

101247, B41I 4500

Patent

active

040685829

ABSTRACT:
This invention relates to numbering assembly incorporated into a conventional press of the offset type, which may selectively be rendered inoperative if numbering is not desired or printing is stopped, and which is automatically deactuated during the operation of the offset press if no printed material is discharged to avoid movement or change of numbers on the register in the absence of printed material on which a number is to be printed. The numbering assembly according to the invention, advantageously comprises an improved control assembly including a first electrical circuit comprising detection means responsive to the presence and absence of gripped material, a first normally open switch and a relay connected in series. The control assembly also includes a second electrical circuit which comprises a main switch, the above-mentioned relay and a first solenoid connected in series, which solenoid operates first mechanical means which in turn closes a third electrical circuit comprising a switch operated by the first mechanical means, the main switch and a second solenoid. The second solenoid operates second mechanical means which brings the numbering machine in operative position so that the number to be impressed be stepped each time a sheet of printed material is passing through the numbering machine.

REFERENCES:
patent: 2900898 (1959-08-01), Buttner
patent: 3782277 (1974-01-01), Neal
patent: 3985073 (1976-10-01), Keller

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