Direct-recording printer and housing structure therefor

Details Direct-recording printer and housing structure therefor Direct-recording printer and housing structure therefor

1985-01-22

1986-06-03

Crowder, Clifford D.

Typewriting machines

Sheet or web

For feeding web record-medium

400120, 400693, 225 32, 225 51, B41J 2902, B41J 1166

Patent

active

045926697

ABSTRACT:
A printer includes a printhead, a driven platen to advance the paper, which simultaneously provides counter-pressure to the printhead, and a paper-cutting bar which includes a cutting edge on which the paper can be cut. A paper compartment holds a paper supply, through which the platen is accessible for paper insertion. A cover plate or lid covers the paper compartment. In order to assure safe operation, the cutting edge of the paper-cutting bar is mounted outside of the most constricted space between the platen axle and the paper-cutting bar. The end of the paper-cutting bar includes the cutting edge thus covering the platen so that the end of the cover plate penetrates beneath or overlaps the specified end of the paper-cutting bar in the closed position. When moving from the closed position to the open position, a motion device causes the cover plate to be initially moved in a linear direction to clear the cutting bar and thereafter rotate around a rotary axle which is substantially parallel to the platen axle.

REFERENCES:
patent: 2336842 (1943-12-01), Broeren et al.
patent: 2614015 (1952-10-01), McGehee
patent: 2695208 (1954-11-01), Graham
patent: 2869951 (1959-01-01), Wooster
patent: 3905462 (1975-09-01), Nowak

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