Patent ID: 8245411

Claim:
A surface geometry characters measuring gauge comprising: a chassis, the chassis being generally cylinder-shaped and comprising a base and a side wall perpendicularly extending from a periphery of the base, the base and the side wall cooperatively forming a generally cylinder-shaped housing space; a spindle rotatably mounted on the chassis; a locating assembly mounted on the spindle and structured and arranged for fastening a workpiece on the spindle, the locating assembly comprising a plurality of springs, a corresponding plurality of fastening posts, and a corresponding plurality of locating blocks, the fastening posts being evenly angularly spaced apart from each other around the spindle, the locating blocks being movably mounted on the corresponding fastening posts, the springs being respectively positioned around the corresponding fastening posts and compressed between the corresponding locating blocks and the spindle; and a micrometer attached on the chassis and spaced from the spindle, the micrometer configured for contacting a surface of the workpiece and measuring one or more surface geometry characters of the workpiece.