Patent ID: 6173120
Filing Date: 2001-01-09
Classification: G03B

Abstract:
An instant photo film pack loadable in a camera, including a box-shaped pack and plural stacked self-developing photo film units of a mono-sheet type contained therein, said pack including an upper wall having an exposure opening for providing said photo film units with an exposure, and a front wall having an exit slot for exiting said photo film units, said photo film units having a developing solution pod for containing developing solution along an advancing edge thereof, wherein a bottom edge of each one of said photo film units is pushed by an ejecting mechanism after said exposure to advance said advancing edge through said exit slot, said each one photo film unit is contacted by a spreading control member while moved to a pair of spreader rollers, said developing solution pod is squeezed and torn upon passage between said spreader rollers to spread said developing solution in said each one photo film unit, said instant photo film pack being characterized in that:said bottom edge of said each one photo film unit comes to said exposure opening later than said advancing edge comes in contact with said spreading control member upon pushing of said each one photo film unit inside said pack, so that said bottom edge is prevented from being deformed in contact with said ejecting mechanism.