US Patent 7357283 Universal crossbar clamp

System providing a securing arrangement for securing a load to a vehicle-mounted rack. The system includes clamp members adapted to secure the load-carrying member to a crossbar of the vehicle-mounted rack. The system includes an opposable clamp member and may include dimensionally different first and second opposing clamp members. The opposable clamp member may be configured to alternatively attach to the first and second opposing clamp members. The system may include an adjustable mounting mechanism configured to adjust an angle of the load-carrying member relative to the opposable clamp member. The opposable clamp member may include a plurality of alternative coupling sections configured to attach to the first and second opposing clamp members.