Photocopying – Projection printing and copying cameras – Detailed holder for photosensitive paper
Patent
1991-02-19
1992-07-21
Hayes, Monroe H.
Photocopying
Projection printing and copying cameras
Detailed holder for photosensitive paper
354275, 354276, 354277, 352 75, 352 76, G03B 2758
Patent
active
051327244
ABSTRACT:
An opening and closing mechanism for photographic film cartridges of the type having a film-receiving tray with outwardly extending front and side lips and a flexible cover for the tray resealably engaged with the lips. The opening and closing mechanism includes a cartridge-receiving base with front and side lips for supporting the front and side lips of the tray. A carriage is mounted for movement with respect to the base. An elongated roller including cartridge cover-engaging fingers is rotatably and movably mounted to the carriage. Springs bias the roller toward engagement with the lips of the base. A carriage drive assembly includes a roller drive linkage, a track drive linkage, a motor and a shuttle linkage. A rack is mounted adjacent to the base for engagement by the track drive linkage. During the cartridge opening stroke, the shuttle linkage couples the motor to the roller drive linkage causing the roller to rotate in a first direction and peel the cover from the tray and wind the cover onto the roller. During the cartridge closing stroke, the shuttle linkage couples the motor to the track drive linkage to drive the carriage with respect to the base and rotate the roller in a second direction to unwind the reseal the cover onto the tray.
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Fundamentals of X-ray Physics & Technique, U.S. Naval Medical School Publication 1958, pp. i,ii, 208, 379-382.
Joyce Terrence H.
Lemberger Richard R.
Schubert Paul C.
Griswold Gary L.
Hayes Monroe H.
Kirn Walter N.
Linder Walter C.
Minnesota Mining and Manufacturing Company
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