Printer

Details Printer Printer

1978-06-12

1980-02-26

Coven, Edward M.

Printing

Selective or progressive

Bed and platen machines

101 9323, 101 9329, 101 9334, 101 9348, B41J 902

Patent

active

041899970

ABSTRACT:
A printer has a stationary electromagnet device, a hammer having a permanent magnet therein, and a resilient member coupled to the hammer. The permanent magnet may be moved upon electrical energization of the electromagnet device to cause the hammer to impact against a character by mechanical energy accumulated in the resilient member.

REFERENCES:
patent: Re26240 (1967-07-01), Hasserman
patent: 2910936 (1959-11-01), Christoff et al.
patent: 3049990 (1962-08-01), Brown et al.
patent: 3195453 (1965-07-01), Thiemann
patent: 3266418 (1966-08-01), Russo
patent: 3437885 (1969-04-01), Kussy et al.
patent: 3453572 (1969-07-01), Masterson
patent: 3460469 (1969-08-01), Brown et al.
patent: 3559129 (1971-01-01), Quichard
patent: 3671893 (1972-06-01), Edgar et al.
patent: 3780648 (1973-12-01), Curtisset al.
patent: 3924528 (1975-12-01), Ludin
patent: 3985218 (1976-10-01), Gerry

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