An image forming apparatus is provided with an original capturing portion, a print portion, an operation portion, a management portion that manages various provided information, and a control portion that controls the original capturing portion, the print portion, the operation portion, and the management portion. A portion of a molten parison conforms to the shape of a fixed pin projecting from the face of a mold part to thereby form the hollow boss. The risers allow for the device to easily expand to height consistent with traffic engineering design standards for triangles when in operation and then compact when it is in storage. At least one of the video systems includes an output transmitting signals to the central switching assembly to transfer to the remaining video systems. An outer housing sleeve is effective to hold the rolling element retainer structure.