Needle-carrying head for a printing machine

Details Needle-carrying head for a printing machine Needle-carrying head for a printing machine

1984-06-18

1986-02-25

Coughenour, Clyde I.

Printing

Selective or progressive

Bed and platen machines

335268, 400124, B41J 312

Patent

active

045720703

ABSTRACT:
A needle-carrying head for a printing machine has needles which are short and rectilinear, the distance separating them being greater than the distance which must separate the printed points produced in the printing operation. Hence, the needles do not have to be bent to enable electro-magnets which drive them to act thereon. The needle-carrying head is mounted in the printing machine in such a way that the plane of the needles is inclined with respect to the writing direction, which compensates for the effect of the distance separating the needles and permits, by appropriate choice of the said inclination, an overlapping of the printed points.

REFERENCES:
patent: 3217640 (1965-11-01), Bradshaw
patent: 3822005 (1974-07-01), Murat
patent: 4408907 (1983-10-01), Bernardis
Lisinski; IBM Tech. Disc. Bull., vol. 23, No. 1, Jun. 1980; pp. 44 and 45.
Habich; IBM Tech. Disc. Bul., vol. 25, No. 5, Oct. 1982; p. 2658.

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