G - Physics – 03 – B
Patent
G - Physics
03
B
95/43
G03B 19/00 (2006.01) G03B 17/52 (2006.01)
Patent
CA 2029266
An instant camera of the type which receives film assemblages having stacked film units of the self-developing type. The camera is provided with a pair of spread rollers which engage an exposed film unit to spread a processing liquid between layers of the film unit while simultaneously moving it into a storage chamber having a viewing window. An opaque shade for the window is located adjacent the exit side of the spread rollers. The shade is adapted to be moved into covering relationship to the window and/or the exposed film unit for a predetermined period of time after it exits from the bite of a pair of spread rollers and then returned to its non-covering position. This time is sufficient to allow a treated portion of the film unit to remain in the dark until its length reaches a predetermined value. At this length there will no longer be any danger of actinic light being piped along the length of the film unit until it reaches an untreated portion of the film unit that is still at the entrance side of the spread rollers.
Fraser Richard J.
Launie Kenneth J.
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