Selective locking display wheels in digit printers

Details Selective locking display wheels in digit printers Selective locking display wheels in digit printers

1978-10-18

1981-06-09

Coven, Edward M.

Printing

Selective or progressive

Printing members

74371, 192 95, 192 488, 101 91, B41J 160

Patent

active

042717582

ABSTRACT:
A printer has a set of display wheels and print wheels on a common shaft for individual coupling to that shaft so that one display wheel and one print wheel at a time is rotationally adjusted, the selection of the wheel pair depends upon the axial disposition of the shaft. Particular structure is provided to hold wheels not to be turned in that fashion.

REFERENCES:
patent: 1341021 (1920-05-01), Robbins
patent: 1868997 (1932-07-01), Speicher
patent: 3024724 (1962-03-01), Angus
patent: 3427961 (1969-02-01), Eggeringhaus
patent: 3965815 (1976-06-01), Lupkas et al.

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