LOOSENESS PREVENTING NUT AND LOOSENESS PREVENTING STRUCTURE FOR A BOLT-NUT

摘要

An anti-loose structure between a bolt and a nut forces a positioning pin to be arranged to for nut being fixed on bolt to bolt by through-hole. An anti-loose structure between a bolt and a nut includes a nut body (13) and a positioning pin (11). Through-hole (12) is formed to an inner thread of nut body. Positioning pin is pressed into through-hole and squeezes into a bolt (2). It is formed in the top of nut body, the object (20) fixed towards one, through-hole is inclined.