Vertical shift mechanism

Details Vertical shift mechanism Vertical shift mechanism

1974-10-29

1976-04-27

Skogquist, Harland S.

Textiles: fiber preparation

335234, B41J 132

Patent

active

039528537

ABSTRACT:
A pair of electromagnets, each including pole faces separated by an air gap, cooperate with a permanent bar magnet, the ends of which extend into the electromagnet air gaps. Polarization of the electromagnets causes the bar magnet to shift into four possible positions thereby shifting a coupled print head to bring one of its four type bands into printing position.

REFERENCES:
patent: 1552676 (1925-09-01), Carpenter
patent: 3465329 (1969-09-01), Abel
patent: 3608692 (1971-09-01), Henry
patent: 3631366 (1971-12-01), Ugon
patent: 3743073 (1973-07-01), Perez

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