B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
95/94.6
B65H 18/08 (2006.01) B65D 85/38 (2006.01) G03B 17/26 (2006.01)
Patent
CA 1290185
ABSTRACT A transfer cartridge for photosensitive material includes an enclosure with an entry slot in one of its walls, and end caps to seal the opposite ends of the enclosure. A pair of rollers is disposed in aligned, parallel relationship within the enclosure, and a flexible, opaque belt extends between the rollers, preferably in figure 8-fashion. One roller is rigidly mounted upon an elongated shaft, while the second roller is elastically mounted upon a second elongated shaft through the use of a torsion spring. Drive gears on the exterior of the cartridge impart rotational movement to the rollers and the nip between the rollers grasps the leading edge of a length of photosensitive material and introduces same into the belt. The continued rotation of the rollers in opposite directions causes the belt to wrap the photosensitive material several times about one roller in a sandwich-like fashion. The belt is chosen to be wider than the photosensitive material, and the length of the belt is chosen to be greater than the length of photosensitive material. Consequently, the belt serves as a complete light shield. The belt is formed from an opaque material that exhibits the ability to absorb infrared illumination. A reflective target is secured to one side of the belt, which is otherwise black, and an optical sensor is operatively associated with the target to define a home position for the belt.
554308
Brookmire Michael A.
White Daniel P.
A.b. Dick Company
Brookmire Michael A.
Ogilvy Renault
White Daniel P.
LandOfFree
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