Patent ID: 9212684
Filing Date: 2015-12-15
Classification: F16B

Abstract:
1. A rivet nut unit, comprising: a riveter which is a tool for riveting; a rivet nut including a flange of which a lower surface is supported by a upper surface of a plate while riveting the plate by the riveter and a body part of which the inside of a lower part is worked to have screw threads and which is integrally formed in a cylindrical shape with a lower portion of the flange; and a hole-making head which is disengageably located on a lower end of the body part to rotate together with the rivet nut and bore an insertion hole in the plate while the riveter rotates in order to insert the body part into the plate, wherein the riveter includes a disengaging rod mounted at the center of the inside of the riveter, and the disengaging rod is movable up and down in order for the hole-making head to be disengaged from the body part when the body part inserted into the insertion hole is compressed or thereafter.