An automobile height gauge for measuring the vertical distance between the floor or ground and certain parts of an automobile such as the bumper. A telescopic bar is provided with "U" shaped fittings at each end. These fittings are adapted to fit over the flanges of an automobile lift rack. A cartridge...http://www.google.es/patents/US4294016?utm_source=gb-gplus-sharePatente US4294016 - Automobile height gauge
