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Application filed by San Shing Hardware WorksfiledCriticalSan Shing Hardware Works
Publication of MY130030ApublicationCriticalpatent/MY130030A/en
A SCREW THREAD GAUGE (12) IS ARRANGED IN THE FORM OF A ROD WHICH IS TAPERED GRADUALLY FROM ONE END TO THE OTHER END (10, 11) AND HAS A SCREW THREAD (13) EXTENDING THE FULL LENGTH OF THE ROD. THE PITCH DIAMETER (DM) AND THE PITCH DIAMETER AT THE OTHER END IS AN UPPER LIMIT PITCH DIAMETER (DX). A MOTOR-DRIVEN ROTATING MECHANISM (2) IS ASSOCIATED WITH THE SCREW THREAD GAUGE (12) SO AS TO FACILITATETHE ATTACHMENT OF A NUT TO THE ROD (12) FOR MEASUREMENT AND THE REMOVAL THE NUT THEREOF AFTER MEASUREMENT.(FIG. 5)
MYPI90002701989-08-171990-02-20Device for measuring screw thread of nut
MY130030A
(en)