| 摘要 |
PROBLEM TO BE SOLVED: To prevent a rub flaw from being formed by performing automatic winding operation by low-priced, simple constitution. SOLUTION: After both the end parts of a spiral spring 21 are fixed to a shaft rod 24 and the internal surface of a unit main body, a film 5 is pulled out of a cartridge 9, and the tip is fitted to a spool 11 for a film roll arranged in a film roll chamber. In this state, the spool 11 is rotated to wind the film 5 around the spool 1, and thus a film roll 12 is formed and loaded in the film roll chamber. While the film 5 is wound around the spool 11, the spiral spring 21 is energized accompanying the spool rotation of the cartridge 9.
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