A vehicle has a seat (12) for a vehicle occupant (14) and a vehicle floor pan (16) for supporting the vehicle seat (12). An apparatus (40) includes a vehicle seat frame (42) for supporting a weight load of the vehicle occupant (14) in the vehicle seat (12), a support mount (60) connected to the vehicle...http://www.google.es/patents/US6448512?utm_source=gb-gplus-sharePatente US6448512 - Weight sensing apparatus
