National Business Systems, Inc.

William A Sours

A digit wheel assembly for use in connection with a variable imprinting device comprises a plurality of digit wheels rotatably mounted on a common fixed digit wheel shaft, each of said digit wheels having raised printing indicia spaced along the circumference thereof; a plurality of thumbwheels rotatably mounted on a common fixed thumbwheel shaft, said thumbwheels being equal in number to said plurality of digit wheels; a first plurality of sprockets equal in number to said plurality of digit wheels, each of said first plurality of sprockets being operatively associated with one of said digit wheels so as to rotate therewith; a second plurality of sprockets equal in number to said plurality of digit wheels, each of said second plurality of sprockets being operatively associated with one of said thumbwheels so as to rotate therewith; and endless flexible drive means connecting each of said first plurality of sprockets to one of said second plurality of sprockets, whereby the rotational position of a given one of said digit wheels may be adjusted by rotation of the corresponding one of said thumbwheels.

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Sauqoit, NY, United States of America

William A Sours