Photographic print paper guide spool

Details Photographic print paper guide spool Photographic print paper guide spool

1980-09-16

1982-09-21

Christian, Leonard D.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

Including details of roll or mount

242 719, 242 76, B65H 1720

Patent

active

043502776

ABSTRACT:
In a photographic printer, photographic print paper is transported from the print paper supply to a print mask location. The print paper is guided by an interchangeable guide spool to ensure proper centering at the print mask location. The guide spool, being preset for a particular print paper width, automatically centers the print paper when mounted on a spindle so as to abut against a permanently positioned flange. The guide spool includes an inner sleeve that abuts against the permanently positioned flange, an outer sleeve coaxially rotating around the outer surface of the inner sleeve and having an outer surface that engages the photographic print paper, and guides attached proximate both ends of the outer sleeve for guiding the print paper on the outer surface of the outer sleeve.

REFERENCES:
patent: 3252163 (1966-05-01), Yedinak et al.
patent: 3516342 (1970-06-01), Luescher
patent: 3993317 (1976-11-01), Flagg
patent: 4158429 (1979-06-01), Ohmori

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