In coupling a part or component of synthetic resin mounted on a vehicle and a threaded member capable of detachably engaging with the part, the part is provided with a retaining portion for retaining at least a portion of the threaded member against rotation relative to each other, and a claw construction...http://www.google.com.au/patents/US6357811?utm_source=gb-gplus-sharePatent US6357811 - Coupling structure of threaded member and synthetic resin part for vehicle
