Printing – Selective or progressive – Bed and platen machines
Patent
1984-04-23
1986-05-27
Burr, Edgar S.
Printing
Selective or progressive
Bed and platen machines
101 9304, 101 9305, 400124, B41J 310
Patent
active
045908532
ABSTRACT:
A print head for use in a dot matrix printer or the like which comprises a plurality of non-magnetic frames which carry aligned magnets, the frames being arranged in a stack with spaces formed by projecting parts on the frames between the magnets carried thereby, the printer hammers being movably located in those spaces and extending out between the frames to the printing station. A head comprising a desired number of hammers is built up by stacking the appropriate numbers of alternating frames and hammers.
REFERENCES:
patent: 3983806 (1976-10-01), Ishi
patent: 4114532 (1978-09-01), Arzoumanian
patent: 4211493 (1980-07-01), Costello et al.
patent: 4260269 (1981-04-01), Peroutky
patent: 4349283 (1982-09-01), Sapitowicz et al.
Allgaier, Jr. Richard L.
Nickels, Jr. Richard C.
Burr Edgar S.
General Instrument Corporation
Wiecking David A.
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