Keyslot symmetry digital display caliber rule

• Main Author: FENGPING,MA PENG
• Format: Patent
• Language: English
• Published: 21.03.2007
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The utility model relates to a keyslot symmetry digital display caliber rule belonging to measuring apparatus, which mainly consists of a ruler body, a left ruler frame, a left digital display component, a right ruler frame, a right digital display component, a bar and a locating ruler frame, wherein, the ruler body is respectively connected with the left ruler frame, the right ruler frame and the locating ruler frame through sliding connection; the left digital display component is connected to the front face of the left ruler frame through a screw and the right digital display component is connected to the front face of the right ruler frame through a screw; three lock screws are respectively connected with the superior side face of the left ruler frame, the right ruler frame and the locating ruler frame through screw-threaded connection; the bar is adhered to the front face of the ruler body. The utility model is extensively used for keyslot symmetry precision measurement with the keyslot width bigger than 22 mm and the axis diameter bigger than 120 mm in machining field particularly engineering mechanism and rubber machining.