Typewriting machines – Sheet or web – Including skew correction responsive to position of sheet or...
Patent
1997-04-25
1999-07-27
Yan, Ren
Typewriting machines
Sheet or web
Including skew correction responsive to position of sheet or...
4006131, B41J 1142
Patent
active
059278765
ABSTRACT:
A printer has a print station and a guide path extending from a media roll station to the print station. Guide apparatus includes an inner edge guide extending along and defining an inner side edge portion of the path. In one embodiment, lateral tracking of the media through the print station is provided by a retractable outer edge guide. The outer edge guide automatically retracts when media is moved into the path through the outer side thereof. The outer edge guide is adjustable to firmly grip the opposite edges of the media between the inner and outer edge guides. In another embodiment, there is no outer edge guide. Instead, one or more tracking wheels are urged against a face of media moving along the path. The wheels are canted in order to provide a laterally inward force on the media. The laterally inward force automatically urges the media against the inner edge guide in both directions of media motion.
REFERENCES:
patent: 5092688 (1992-03-01), Haennelt et al.
patent: 5370049 (1994-12-01), Oshino et al.
IBM Tech. Disclosure Bulletin vol. 22 No. 6 J.S. Heath "Paper Feed Mechanism", Nov. 1979.
IBM Tech. Disclosure Bulletin vol. 22 No. 5 Garrison et al. "Paper Feed", Oct. 1979.
Intermec Corporation
Pauly Joan H.
Yan Ren
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