| 摘要 |
A film cassette includes a cassette main body with a film supply portion and a film take-up portion, a spool rotatably arranged at said film take-up portion of the cassette main body, and bearings arranged at the film take-up portion for rotatably supporting the spool. The spool comprises an outer cylinder around which a film is wound, an inner cylinder which is slidable in an axial direction relative to the outer cylinder and which is rotatable with the outer cylinder, and a compression spring, one end of which is engaged with the outer cylinder and the other end of which is engaged with the inner cylinder and biasing and moving the outer and inner cylinders relative to each other in the axial direction.
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