Printer

Details Printer Printer

1975-04-18

1976-11-30

Coven, Edward M.

Printing

Selective or progressive

Bed and platen machines

101 9314, B41J 912

Patent

active

039942198

ABSTRACT:
A multiplicity of print hammers are supported on one or two planar arrays of leaf springs, the array being parallel to a belt carrying a row of typefaces defining respective character positions, so as to be jointly shiftable parallel to that row between different positions of alignment of each hammer with any one of a set of two or three character positions assigned to it. The hammers are actuated by respective electromagnets whose armatures are normally spaced from the hammers and have faces spanning two or three character positions so as to engage the associated hammers in any of their positions of alignment.

REFERENCES:
patent: 3220343 (1965-11-01), Wasserman
patent: 3332343 (1967-07-01), Sims
patent: 3420166 (1969-01-01), Ellis et al.
patent: 3433153 (1969-03-01), Harrington et al.
patent: 3447455 (1969-06-01), Shneider
patent: 3623427 (1971-11-01), Buehrmann et al.
patent: 3782278 (1974-01-01), Barnett et al.
patent: 3797387 (1974-03-01), Deeler et al.
IBM Technical Disclosure Bulletin, Heydkamp et al., vol. 9, No. 8, Jan. 1967, pp. 1013-1014.

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