Paper loading system for use in a printer

Details Paper loading system for use in a printer Paper loading system for use in a printer

1985-07-08

1987-03-03

Pieprz, William

Typewriting machines

Means auxiliary to typewriting function

Indicator means

400126, 271240, 346 76PH, 226199, B41J 1316

Patent

active

046472398

ABSTRACT:
A paper loading system for use in a printer has a platen and a paper bail mounted with two rollers. A carriage having a projection is provided to move parallelly to the platen. At the free end of the projection, a photodetector is provided to detect an edge of a loaded paper so as to memorize the opposite ends of the loaded paper. When the paper bail is in a pressing position at which rollers are holding the paper on a path of advance of the paper, no engagement is accomplished between the projection and the rollers. But when the paper bail is in a releasing position at which rollers are separated from the path to release the paper, the projection may come into contact with rollers to change the position of rollers. Using the memorized data, the movements of the carriage and the paper bail are controlled to locate the rollers at the opposite side rims of the loaded paper.

REFERENCES:
patent: 3311371 (1967-03-01), Zenthen
patent: 3834505 (1974-09-01), Fowler et al.
patent: 4050564 (1977-09-01), Carmichael et al.
patent: 4099484 (1978-07-01), Ohno
patent: 4272204 (1981-06-01), Quinn, Jr. et al.

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