Paper feed apparatus for shuttle printer

Details Paper feed apparatus for shuttle printer Paper feed apparatus for shuttle printer

1984-09-21

1985-07-09

Burr, Edgar S.

Typewriting machines

Sheet or web

For feeding web record-medium

400649, 226195, B41J 1516

Patent

active

045279217

ABSTRACT:
A paper feeding apparatus used in shuttle printers including drive means for moving a print sheet and a paper holding spring for holding the print sheet on a platen to apply a back-tension to the print sheet when it is being moved. The feeding apparatus further includes friction means disposed opposed to the print sheet at a position forward of the platen in the direction of feeding, pressure spring means located opposed to the friction means, and a lever for biasing the pressure spring means against the friction means. The platen is movable between a first position where it is engaged by the paper holding spring and a second position where the plate is disengaged by the paper holding spring. The biasing lever has its tip placed in non-contact with the platen when the platen is engaged by the paper holding spring, whereby the lever can be engaged by the platen to separate the pressure spring means from the print sheet when the platen is moved from the first position to the second position.

REFERENCES:
patent: 1063815 (1913-06-01), McLaughlin
patent: 3586149 (1971-06-01), Miller
patent: 3799314 (1974-03-01), Smith
patent: 4019619 (1977-04-01), Emenaker

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