Printing – Selective or progressive – Bed and platen machines
Patent
1979-05-03
1980-09-02
Coven, Edward M.
Printing
Selective or progressive
Bed and platen machines
101 99, 101110, B41J 144
Patent
active
042200822
ABSTRACT:
A print wheel selection mechanism operates to sequentially enter into a plurality of print wheels digits to be printed by initially entering the highest order digit into the lowest order or right-most print wheel or vice versa. During the next sequence, the highest order digit is shifted to the print wheel next to the right-most wheel, and the next order digit is entered into the right-most wheel. In this manner, the foregoing sequences are repeated until the entire number is entered into the print wheels with the number being sequentially entered and shifted along the several print wheels. The mechanism includes a plurality of intermediate stop wheels interdigitally and rotatably mounted on a common shaft with the print wheels, the print wheels and the intermediate stop wheels being urged to rotate in a predetermined direction. The print wheels and the intermediate stop wheels are each provided with stops for limiting the rotation of the next succeeding wheel in an ascending order.
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patent: 3168035 (1965-02-01), Jablonski
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patent: 3965815 (1976-06-01), Lupkas et al.
patent: 3983805 (1976-10-01), Perkett et al.
Baker Joseph J.
Coven Edward M.
Esselte Pendaflex Corporation
Ferguson Jr. Gerald J.
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