US Patent 7251915 Frame system for motor vehicle

A frame system for a motor vehicle includes a plurality of frame members each having a connector socket defined therein. The system further includes a connector having an outer profile configured to engage the sockets of two of the frame members so as to connect them in a fixed angular relationship. The connectors are composite bodies including a core member and an exterior body which covers at least a portion of the core member and defines a portion of the outer profile of the connector. Also disclosed are frames which employ the system and methods for manufacturing the frames.