A device for evaluating the deformation of vehicle tires running along theround comprises: means (10, . . . , 32, 34, 40, . . . ) for measuring the length (1.sub.1) of a first chord of said tires (1), said first chord extending along a first direction at a first distance from said ground; means (40)...http://www.google.com.tw/patents/US4724704?utm_source=gb-gplus-share專利 US4724704 - Device for evaluating the deformation of pneumatic tires
