Self-threading journal printer

Details Self-threading journal printer Self-threading journal printer

1991-05-28

1993-05-25

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

226 91, B65H 2004

Patent

active

052132765

ABSTRACT:
A self-threading and feeding arrangement for a printer including a drop-in supply station, a printing station and a take-up station. A pay-out roller is journaled across the bottom arcuate wall of the supply station for supporting a web of print receiving media placed therein. A take-up spool includes a retainer for interengaging with a lead of the media web to positively draw the web around the rotated spool. The take-up station also includes a slot-like exit guide chute that has a contoured tip for cooperating with the retainer on the take-up spool, during loading of a new roll, to place the web lead into engagement with the retainer. A drive roller, and preferably the pay-out roller, are driven by a first stepping motor, and the take-up spool is driven by a separately actuable second stepping motor.

REFERENCES:
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patent: 3576283 (1971-04-01), MacDonald, Jr.
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patent: 4059211 (1977-11-01), Brizzolara
patent: 4264218 (1981-04-01), Okabe et al.
patent: 4453842 (1984-06-01), Archer et al.
patent: 4826336 (1989-05-01), Kamimura et al.
patent: 4875634 (1989-10-01), Lapadakis
patent: 4971469 (1990-11-01), Nakajima

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