Printing actuator

Details Printing actuator Printing actuator

1975-03-03

1976-07-20

Burr, Edgar S.

Printing

Selective or progressive

Bed and platen machines

335229, 310103, B41J 902

Patent

active

039699986

ABSTRACT:
A printing actuator is provided comprising a plurality of hammers and a permanent rotating shaft capable of actuating each of said hammers for striking. The printing actuator is characterized on one hand, in that each hammer is arranged for rotating round an axis and is integral with electromagnetic means including two poles opposite one another and, on the other hand, in that said shaft bears a plurality of transverse parallel discs made of a conductive material, the two poles being associated with a hammer and arranged on both sides of one of said discs.

REFERENCES:
patent: 2183404 (1939-12-01), Morrill
patent: 2790095 (1957-04-01), Peek et al.
patent: 3164085 (1965-01-01), Hawkins
patent: 3183385 (1965-05-01), Gabriel
patent: 3351006 (1967-11-01), Belson
patent: 3477365 (1969-11-01), Nyman
patent: 3568593 (1971-03-01), Papndopoulos

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