To inexpensively provide a method for preventing a disposable camera from being reused due to reloading photographic film.

A timing lever 67 is rocked when the photographic film 16 is all housed in a cartridge main body 17 and closes the light shielding cover 29 of the main body 17. A projection 70 butting against the tooth 53a of an intermittent gear 53 after rocking is formed on the lever 67, and the tooth 53a is ruptured by the projection 70 by utilizing the rotation of a winding knob 13.