Pitch-changeable, cam-actuated paper feed for serial printer

Details Pitch-changeable, cam-actuated paper feed for serial printer Pitch-changeable, cam-actuated paper feed for serial printer

1983-09-16

1986-01-21

Wright, Jr., Ernest T.

Typewriting machines

Sheet or web

For feeding web record-medium

400 65, 400120, 4003072, 400320, 400328, 400568, 400569, 400570, B41J 1504

Patent

active

045654611

ABSTRACT:
The printer includes a print head moveable in a lateral direction perpendicular to the feeding direction of a sheet of recording paper. The print head is supported on a carriage which is reciprocably driven. Different paper feed pitches are selectable depending upon the lateral position of the carriage at the end of printing. A paper feed cam includes two or more feed grooves and pitch changing grooves connecting the feed grooves so that the paper feed means can operate from any selected one of the feed grooves. A cam follower connected to the carriage rides in a groove causing the paper feed cam to be driven by motion of the carriage. Different feed pitches for graphics and text are provided.

REFERENCES:
patent: 3518699 (1970-06-01), Mitchell
patent: 4062436 (1977-12-01), Kondur, Jr. et al.
patent: 4250808 (1981-02-01), Katsura et al.
patent: 4379646 (1983-04-01), Maeda

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