| 摘要 |
PROBLEM TO BE SOLVED: To provide a film winding spool of a camera attempted to miniaturize itself and to reduce cost of it. SOLUTION: The film winding spool of the camera is constituted of a cylindrical part 4 and a driving member 8 to rotate and drive the cylindrical part 4, and the cylindrical part 4 is constituted in a cylindrical shape by forming a fastened part of an irregular shape with two sides facing against each other, rounding a roughly quadrangular thin plate on which a cutout part 4a as an engagement part to be engaged with the driving member 8 is worked on the one side of the other two sides and engaging and fastening the fastening part of the irregular shape. COPYRIGHT: (C)2003,JPO
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