Platen-yoke apparatus for a printer using a floating platen

Details Platen-yoke apparatus for a printer using a floating platen Platen-yoke apparatus for a printer using a floating platen

1989-12-06

1990-09-18

Burr, Edgar S.

Typewriting machines

Platen or platen-moving mechanism

Bar platen

400649, 400 58, B41J 1108

Patent

active

049573829

ABSTRACT:
A platen-yoke apparatus for a printer using a "floating platen". The platen for a wire matrix printer is mounted in a U-shaped channel. When the printer is moved to one side of a document feeding surface, a ramp on one end of the platen cooperates with a roller secured to the print head to depress that end of the platen to cause it to be moved below the feeding surface. A yoke member pivotally secured to the underside of the feeding surface and coupled to the ends of the platen causes the platen to be moved parallel to the feeding surface to lower the platen below the feeding surface to facilitate the insertion of a document to a printing station associated with the printer.

REFERENCES:
patent: 4010838 (1977-03-01), Sims, Jr.
patent: 4143977 (1979-03-01), Kurihara et al.
patent: 4184780 (1980-01-01), Kurihara et al.
patent: 4676675 (1987-06-01), Suzuki et al.
patent: 4893949 (1990-01-01), Limberger et al.
IBM Technical Disclosure Bulletin vol. 20 No. 11A 4/78.

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