The present invention relates to a rotational force driving assembly and a process cartridge used for being engaged with a rotational force driving head inside an electrophotographic image forming device. The fuse structure is designed for opening by conventional laser energy application. The battery is positioned within the internal volume. In use, a hook is placed in the rod notch, and tension is applied to the leader to secure the hook in place and the leader is placed in said leader engaging notch to maintain such tension.