attached display device of axial force management bolts and nuts

摘要

PROBLEM TO BE SOLVED: To provide a mounting display device of an axial force managing bolt/nut by which operation completion can be easily confirmed by a third person and generation of initial defect can be eliminated.;SOLUTION: A mounting display device of an axial force managing bolt/nut has a head 10 introducing a rotational torque, a screw cam 20 fastening and fixing an object, and a display section 30 displaying a mounting state of an axial force managing bolt/nut, the display section 30 is constituted by integrally forming a T-type collar 32, a leg 34 of the T-type collar, and an O-type collar 36, the screw cam 20 has a T-type groove 25 into which the T-type collar 32 is fitted, the head 10 has a one stripe of groove 15 of the same shape as that of the T-type groove 25, into which the leg 34 of the T-type collar is fitted, the T-type collar 32 is fitted into the T-type groove 25, the leg 34 is fitted into the one stripe of groove 15, the O-type collar 36 is fitted into the head 10.;COPYRIGHT: (C)2014,JPO&INPIT