Claims
- 1. Apparatus for processing photosensitive material comprising a rotatable outer drum and an inner sprocket wheel independently rotatable from the outer drum, the inner wheel being provided with at least two sets of sprocket teeth for engagement with a strip of material to be processed, two pairs of drive rollers being located around the outer periphery of the drum.
- 2. Apparatus as claimed in claim 1 wherein the outer drum and the inner sprocket wheel are arranged with a narrow gap therebetween.
- 3. Apparatus as claimed in claim 1 wherein one set of sprocket teeth is spring loaded.
- 4. Apparatus as claimed in claim 1 wherein a groove is provided within the inner wall of the outer drum, the top of the sprocket teeth running within the groove.
- 5. Apparatus as claimed in claim 1 wherein the sprocket teeth have a height of between 1.5 mm and 2 mm.
- 6. Apparatus as claimed in claim 1 further including a locking mechanism for locking the outer drum in position during loading and unloading of the photosensitive material, the mechanism comprising two substantially v-shaped members located at different positions on the outer circumference of the drum, a wedge shaped member for engagement with one of the v-shaped members, and means for moving the wedged shaped member into and out of engagement with a v-shaped member.
Priority Claims (1)
Number |
Date |
Country |
Kind |
0120189.6 |
Aug 2001 |
GB |
|
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This is a U.S. original patent application which claims priority on Great Britain patent application No. 0120189.6 filed Aug. 20, 2001.