Typewriter with automatic paper loading apparatus

Details Typewriter with automatic paper loading apparatus Typewriter with automatic paper loading apparatus

1983-03-29

1986-02-11

Pieprz, William

Typewriting machines

Sheet or web

For feeding sheet from stack or pack holder

400631, 4006391, 400549, B41J 1320, B41J 1136

Patent

active

045696110

ABSTRACT:
An automatic paper loading apparatus for a typewriter provided with a platen, feed rolls, and a paper bail. The paper loading apparatus essentially includes a paper alignment member pivotally mounted on a frame, a paper guide carried by a movable carriage, and three controllers, from first to third. The paper alignment member is engaged with the leading edge of an inserted printing paper while the feed rolls are spaced from the platen. The feed rolls are urged on the aligned paper and the paper alignment member is spaced from the platen for being disengaged from the leading edge of the printing paper owing to a manual operation of a lever. Upon operation of a manual member on a keyboard, the first controller drives a platen drive motor for a predetermined time duration so as to feed the paper by a predetermined amount, the second controller drives a carriage drive motor for moving the paper guide to the center portion of the printing line on the surface of the platen so as to guide the leading edge of the paper passing the printing line, and the third controller energizes a solenoid for keeping the paper bail in a position spaced from the platen while the leading edge of the paper passes between the paper bail and the platen.

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Klein et al., Paper Table . . . and Paper Gate, IBM Technical Disclosure Bulletin, vol. 17, No. 5, pp. 1263-1264, 10/74.
Mathews, Paper Feed, IBM Technical Disclosure Bulletin, vol. 18, No. 5, pp. 1305-1306, 10/75.
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Lennon, Power Operated . . . Typewriter, IBM Technical Disclosure Bulletin, vol. 22, No. 2, pp. 661-663, 7/79.

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